CyaSSL - A library for setting up Secure Socket Layer (SSL…

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A library for setting up Secure Socket Layer (SSL) connections and verifying remote hosts using certificates. Contains only the source files for mbed platform implementation of the library.

Dependents: HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL

ctaocrypt/src/aes.c@6:cf58d49e1a86, 2015-03-23 (annotated)

Committer:: Mike Fiore
Date:: Mon Mar 23 16:51:07 2015 -0500
Revision:: 6:cf58d49e1a86
Parent:: 0:b86d15c6ba29

fix whitespace in sha512.c

Who changed what in which revision?

User	Revision	Line number	New contents of line
Vanger	0:b86d15c6ba29	1	/* aes.c
Vanger	0:b86d15c6ba29	2	*
Vanger	0:b86d15c6ba29	3	* Copyright (C) 2006-2014 wolfSSL Inc.
Vanger	0:b86d15c6ba29	4	*
Vanger	0:b86d15c6ba29	5	* This file is part of CyaSSL.
Vanger	0:b86d15c6ba29	6	*
Vanger	0:b86d15c6ba29	7	* CyaSSL is free software; you can redistribute it and/or modify
Vanger	0:b86d15c6ba29	8	* it under the terms of the GNU General Public License as published by
Vanger	0:b86d15c6ba29	9	* the Free Software Foundation; either version 2 of the License, or
Vanger	0:b86d15c6ba29	10	* (at your option) any later version.
Vanger	0:b86d15c6ba29	11	*
Vanger	0:b86d15c6ba29	12	* CyaSSL is distributed in the hope that it will be useful,
Vanger	0:b86d15c6ba29	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
Vanger	0:b86d15c6ba29	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Vanger	0:b86d15c6ba29	15	* GNU General Public License for more details.
Vanger	0:b86d15c6ba29	16	*
Vanger	0:b86d15c6ba29	17	* You should have received a copy of the GNU General Public License
Vanger	0:b86d15c6ba29	18	* along with this program; if not, write to the Free Software
Vanger	0:b86d15c6ba29	19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Vanger	0:b86d15c6ba29	20	*/
Vanger	0:b86d15c6ba29	21
Vanger	0:b86d15c6ba29	22	#ifdef HAVE_CONFIG_H
Vanger	0:b86d15c6ba29	23	#include <config.h>
Vanger	0:b86d15c6ba29	24	#endif
Vanger	0:b86d15c6ba29	25
Vanger	0:b86d15c6ba29	26	#include <cyassl/ctaocrypt/settings.h>
Vanger	0:b86d15c6ba29	27
Vanger	0:b86d15c6ba29	28	#ifndef NO_AES
Vanger	0:b86d15c6ba29	29
Vanger	0:b86d15c6ba29	30	#ifdef HAVE_FIPS
Vanger	0:b86d15c6ba29	31	/* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
Vanger	0:b86d15c6ba29	32	#define FIPS_NO_WRAPPERS
Vanger	0:b86d15c6ba29	33	#endif
Vanger	0:b86d15c6ba29	34
Vanger	0:b86d15c6ba29	35	#include <cyassl/ctaocrypt/aes.h>
Vanger	0:b86d15c6ba29	36	#include <cyassl/ctaocrypt/error-crypt.h>
Vanger	0:b86d15c6ba29	37	#include <cyassl/ctaocrypt/logging.h>
Vanger	0:b86d15c6ba29	38	#ifdef NO_INLINE
Vanger	0:b86d15c6ba29	39	#include <cyassl/ctaocrypt/misc.h>
Vanger	0:b86d15c6ba29	40	#else
Vanger	0:b86d15c6ba29	41	#include <ctaocrypt/src/misc.c>
Vanger	0:b86d15c6ba29	42	#endif
Vanger	0:b86d15c6ba29	43	#ifdef DEBUG_AESNI
Vanger	0:b86d15c6ba29	44	#include <stdio.h>
Vanger	0:b86d15c6ba29	45	#endif
Vanger	0:b86d15c6ba29	46
Vanger	0:b86d15c6ba29	47
Vanger	0:b86d15c6ba29	48	#ifdef _MSC_VER
Vanger	0:b86d15c6ba29	49	/* 4127 warning constant while(1) */
Vanger	0:b86d15c6ba29	50	#pragma warning(disable: 4127)
Vanger	0:b86d15c6ba29	51	#endif
Vanger	0:b86d15c6ba29	52
Vanger	0:b86d15c6ba29	53
Vanger	0:b86d15c6ba29	54	#if defined(STM32F2_CRYPTO)
Vanger	0:b86d15c6ba29	55	/* STM32F2 hardware AES support for CBC, CTR modes through the STM32F2
Vanger	0:b86d15c6ba29	56	* Standard Peripheral Library. Documentation located in STM32F2xx
Vanger	0:b86d15c6ba29	57	* Standard Peripheral Library document (See note in README).
Vanger	0:b86d15c6ba29	58	* NOTE: no support for AES-GCM/CCM/Direct */
Vanger	0:b86d15c6ba29	59	#include "stm32f2xx.h"
Vanger	0:b86d15c6ba29	60	#include "stm32f2xx_cryp.h"
Vanger	0:b86d15c6ba29	61	#elif defined(HAVE_COLDFIRE_SEC)
Vanger	0:b86d15c6ba29	62	/* Freescale Coldfire SEC support for CBC mode.
Vanger	0:b86d15c6ba29	63	* NOTE: no support for AES-CTR/GCM/CCM/Direct */
Vanger	0:b86d15c6ba29	64	#include <cyassl/ctaocrypt/types.h>
Vanger	0:b86d15c6ba29	65	#include "sec.h"
Vanger	0:b86d15c6ba29	66	#include "mcf5475_sec.h"
Vanger	0:b86d15c6ba29	67	#include "mcf5475_siu.h"
Vanger	0:b86d15c6ba29	68	#elif defined(FREESCALE_MMCAU)
Vanger	0:b86d15c6ba29	69	/* Freescale mmCAU hardware AES support for Direct, CBC, CCM, GCM modes
Vanger	0:b86d15c6ba29	70	* through the CAU/mmCAU library. Documentation located in
Vanger	0:b86d15c6ba29	71	* ColdFire/ColdFire+ CAU and Kinetis mmCAU Software Library User
Vanger	0:b86d15c6ba29	72	* Guide (See note in README).
Vanger	0:b86d15c6ba29	73	* NOTE: no support for AES-CTR */
Vanger	0:b86d15c6ba29	74	#include "cau_api.h"
Vanger	0:b86d15c6ba29	75	#elif defined(CYASSL_PIC32MZ_CRYPT)
Vanger	0:b86d15c6ba29	76	/* NOTE: no support for AES-CCM/Direct */
Vanger	0:b86d15c6ba29	77	#define DEBUG_CYASSL
Vanger	0:b86d15c6ba29	78	#include "cyassl/ctaocrypt/port/pic32/pic32mz-crypt.h"
Vanger	0:b86d15c6ba29	79	#elif defined(HAVE_CAVIUM)
Vanger	0:b86d15c6ba29	80	#include <cyassl/ctaocrypt/logging.h>
Vanger	0:b86d15c6ba29	81	#include "cavium_common.h"
Vanger	0:b86d15c6ba29	82
Vanger	0:b86d15c6ba29	83	/* still leave SW crypto available */
Vanger	0:b86d15c6ba29	84	#define NEED_AES_TABLES
Vanger	0:b86d15c6ba29	85
Vanger	0:b86d15c6ba29	86	static int AesCaviumSetKey(Aes* aes, const byte* key, word32 length,
Vanger	0:b86d15c6ba29	87	const byte* iv);
Vanger	0:b86d15c6ba29	88	static int AesCaviumCbcEncrypt(Aes* aes, byte* out, const byte* in,
Vanger	0:b86d15c6ba29	89	word32 length);
Vanger	0:b86d15c6ba29	90	static int AesCaviumCbcDecrypt(Aes* aes, byte* out, const byte* in,
Vanger	0:b86d15c6ba29	91	word32 length);
Vanger	0:b86d15c6ba29	92	#else
Vanger	0:b86d15c6ba29	93	/* using CTaoCrypt software AES implementation */
Vanger	0:b86d15c6ba29	94	#define NEED_AES_TABLES
Vanger	0:b86d15c6ba29	95	#endif /* STM32F2_CRYPTO */
Vanger	0:b86d15c6ba29	96
Vanger	0:b86d15c6ba29	97
Vanger	0:b86d15c6ba29	98	#ifdef NEED_AES_TABLES
Vanger	0:b86d15c6ba29	99
Vanger	0:b86d15c6ba29	100	static const word32 rcon[] = {
Vanger	0:b86d15c6ba29	101	0x01000000, 0x02000000, 0x04000000, 0x08000000,
Vanger	0:b86d15c6ba29	102	0x10000000, 0x20000000, 0x40000000, 0x80000000,
Vanger	0:b86d15c6ba29	103	0x1B000000, 0x36000000,
Vanger	0:b86d15c6ba29	104	/* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
Vanger	0:b86d15c6ba29	105	};
Vanger	0:b86d15c6ba29	106
Vanger	0:b86d15c6ba29	107	static const word32 Te[5][256] = {
Vanger	0:b86d15c6ba29	108	{
Vanger	0:b86d15c6ba29	109	0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
Vanger	0:b86d15c6ba29	110	0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
Vanger	0:b86d15c6ba29	111	0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
Vanger	0:b86d15c6ba29	112	0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
Vanger	0:b86d15c6ba29	113	0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
Vanger	0:b86d15c6ba29	114	0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
Vanger	0:b86d15c6ba29	115	0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
Vanger	0:b86d15c6ba29	116	0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
Vanger	0:b86d15c6ba29	117	0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
Vanger	0:b86d15c6ba29	118	0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
Vanger	0:b86d15c6ba29	119	0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
Vanger	0:b86d15c6ba29	120	0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
Vanger	0:b86d15c6ba29	121	0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
Vanger	0:b86d15c6ba29	122	0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
Vanger	0:b86d15c6ba29	123	0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
Vanger	0:b86d15c6ba29	124	0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
Vanger	0:b86d15c6ba29	125	0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
Vanger	0:b86d15c6ba29	126	0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
Vanger	0:b86d15c6ba29	127	0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
Vanger	0:b86d15c6ba29	128	0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
Vanger	0:b86d15c6ba29	129	0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
Vanger	0:b86d15c6ba29	130	0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
Vanger	0:b86d15c6ba29	131	0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
Vanger	0:b86d15c6ba29	132	0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
Vanger	0:b86d15c6ba29	133	0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
Vanger	0:b86d15c6ba29	134	0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
Vanger	0:b86d15c6ba29	135	0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
Vanger	0:b86d15c6ba29	136	0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
Vanger	0:b86d15c6ba29	137	0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
Vanger	0:b86d15c6ba29	138	0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
Vanger	0:b86d15c6ba29	139	0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
Vanger	0:b86d15c6ba29	140	0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
Vanger	0:b86d15c6ba29	141	0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
Vanger	0:b86d15c6ba29	142	0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
Vanger	0:b86d15c6ba29	143	0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
Vanger	0:b86d15c6ba29	144	0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
Vanger	0:b86d15c6ba29	145	0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
Vanger	0:b86d15c6ba29	146	0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
Vanger	0:b86d15c6ba29	147	0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
Vanger	0:b86d15c6ba29	148	0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
Vanger	0:b86d15c6ba29	149	0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
Vanger	0:b86d15c6ba29	150	0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
Vanger	0:b86d15c6ba29	151	0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
Vanger	0:b86d15c6ba29	152	0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
Vanger	0:b86d15c6ba29	153	0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
Vanger	0:b86d15c6ba29	154	0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
Vanger	0:b86d15c6ba29	155	0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
Vanger	0:b86d15c6ba29	156	0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
Vanger	0:b86d15c6ba29	157	0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
Vanger	0:b86d15c6ba29	158	0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
Vanger	0:b86d15c6ba29	159	0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
Vanger	0:b86d15c6ba29	160	0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
Vanger	0:b86d15c6ba29	161	0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
Vanger	0:b86d15c6ba29	162	0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
Vanger	0:b86d15c6ba29	163	0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
Vanger	0:b86d15c6ba29	164	0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
Vanger	0:b86d15c6ba29	165	0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
Vanger	0:b86d15c6ba29	166	0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
Vanger	0:b86d15c6ba29	167	0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
Vanger	0:b86d15c6ba29	168	0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
Vanger	0:b86d15c6ba29	169	0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
Vanger	0:b86d15c6ba29	170	0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
Vanger	0:b86d15c6ba29	171	0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
Vanger	0:b86d15c6ba29	172	0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
Vanger	0:b86d15c6ba29	173	},
Vanger	0:b86d15c6ba29	174	{
Vanger	0:b86d15c6ba29	175	0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
Vanger	0:b86d15c6ba29	176	0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
Vanger	0:b86d15c6ba29	177	0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
Vanger	0:b86d15c6ba29	178	0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
Vanger	0:b86d15c6ba29	179	0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
Vanger	0:b86d15c6ba29	180	0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
Vanger	0:b86d15c6ba29	181	0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
Vanger	0:b86d15c6ba29	182	0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
Vanger	0:b86d15c6ba29	183	0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
Vanger	0:b86d15c6ba29	184	0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
Vanger	0:b86d15c6ba29	185	0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
Vanger	0:b86d15c6ba29	186	0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
Vanger	0:b86d15c6ba29	187	0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
Vanger	0:b86d15c6ba29	188	0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
Vanger	0:b86d15c6ba29	189	0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
Vanger	0:b86d15c6ba29	190	0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
Vanger	0:b86d15c6ba29	191	0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
Vanger	0:b86d15c6ba29	192	0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
Vanger	0:b86d15c6ba29	193	0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
Vanger	0:b86d15c6ba29	194	0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
Vanger	0:b86d15c6ba29	195	0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
Vanger	0:b86d15c6ba29	196	0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
Vanger	0:b86d15c6ba29	197	0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
Vanger	0:b86d15c6ba29	198	0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
Vanger	0:b86d15c6ba29	199	0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
Vanger	0:b86d15c6ba29	200	0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
Vanger	0:b86d15c6ba29	201	0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
Vanger	0:b86d15c6ba29	202	0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
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Vanger	0:b86d15c6ba29	355	0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
Vanger	0:b86d15c6ba29	356	0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
Vanger	0:b86d15c6ba29	357	0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
Vanger	0:b86d15c6ba29	358	0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
Vanger	0:b86d15c6ba29	359	0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
Vanger	0:b86d15c6ba29	360	0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
Vanger	0:b86d15c6ba29	361	0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
Vanger	0:b86d15c6ba29	362	0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
Vanger	0:b86d15c6ba29	363	0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
Vanger	0:b86d15c6ba29	364	0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
Vanger	0:b86d15c6ba29	365	0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
Vanger	0:b86d15c6ba29	366	0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
Vanger	0:b86d15c6ba29	367	0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
Vanger	0:b86d15c6ba29	368	0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
Vanger	0:b86d15c6ba29	369	0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
Vanger	0:b86d15c6ba29	370	0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
Vanger	0:b86d15c6ba29	371	},
Vanger	0:b86d15c6ba29	372	{
Vanger	0:b86d15c6ba29	373	0x63636363U, 0x7c7c7c7cU, 0x77777777U, 0x7b7b7b7bU,
Vanger	0:b86d15c6ba29	374	0xf2f2f2f2U, 0x6b6b6b6bU, 0x6f6f6f6fU, 0xc5c5c5c5U,
Vanger	0:b86d15c6ba29	375	0x30303030U, 0x01010101U, 0x67676767U, 0x2b2b2b2bU,
Vanger	0:b86d15c6ba29	376	0xfefefefeU, 0xd7d7d7d7U, 0xababababU, 0x76767676U,
Vanger	0:b86d15c6ba29	377	0xcacacacaU, 0x82828282U, 0xc9c9c9c9U, 0x7d7d7d7dU,
Vanger	0:b86d15c6ba29	378	0xfafafafaU, 0x59595959U, 0x47474747U, 0xf0f0f0f0U,
Vanger	0:b86d15c6ba29	379	0xadadadadU, 0xd4d4d4d4U, 0xa2a2a2a2U, 0xafafafafU,
Vanger	0:b86d15c6ba29	380	0x9c9c9c9cU, 0xa4a4a4a4U, 0x72727272U, 0xc0c0c0c0U,
Vanger	0:b86d15c6ba29	381	0xb7b7b7b7U, 0xfdfdfdfdU, 0x93939393U, 0x26262626U,
Vanger	0:b86d15c6ba29	382	0x36363636U, 0x3f3f3f3fU, 0xf7f7f7f7U, 0xccccccccU,
Vanger	0:b86d15c6ba29	383	0x34343434U, 0xa5a5a5a5U, 0xe5e5e5e5U, 0xf1f1f1f1U,
Vanger	0:b86d15c6ba29	384	0x71717171U, 0xd8d8d8d8U, 0x31313131U, 0x15151515U,
Vanger	0:b86d15c6ba29	385	0x04040404U, 0xc7c7c7c7U, 0x23232323U, 0xc3c3c3c3U,
Vanger	0:b86d15c6ba29	386	0x18181818U, 0x96969696U, 0x05050505U, 0x9a9a9a9aU,
Vanger	0:b86d15c6ba29	387	0x07070707U, 0x12121212U, 0x80808080U, 0xe2e2e2e2U,
Vanger	0:b86d15c6ba29	388	0xebebebebU, 0x27272727U, 0xb2b2b2b2U, 0x75757575U,
Vanger	0:b86d15c6ba29	389	0x09090909U, 0x83838383U, 0x2c2c2c2cU, 0x1a1a1a1aU,
Vanger	0:b86d15c6ba29	390	0x1b1b1b1bU, 0x6e6e6e6eU, 0x5a5a5a5aU, 0xa0a0a0a0U,
Vanger	0:b86d15c6ba29	391	0x52525252U, 0x3b3b3b3bU, 0xd6d6d6d6U, 0xb3b3b3b3U,
Vanger	0:b86d15c6ba29	392	0x29292929U, 0xe3e3e3e3U, 0x2f2f2f2fU, 0x84848484U,
Vanger	0:b86d15c6ba29	393	0x53535353U, 0xd1d1d1d1U, 0x00000000U, 0xededededU,
Vanger	0:b86d15c6ba29	394	0x20202020U, 0xfcfcfcfcU, 0xb1b1b1b1U, 0x5b5b5b5bU,
Vanger	0:b86d15c6ba29	395	0x6a6a6a6aU, 0xcbcbcbcbU, 0xbebebebeU, 0x39393939U,
Vanger	0:b86d15c6ba29	396	0x4a4a4a4aU, 0x4c4c4c4cU, 0x58585858U, 0xcfcfcfcfU,
Vanger	0:b86d15c6ba29	397	0xd0d0d0d0U, 0xefefefefU, 0xaaaaaaaaU, 0xfbfbfbfbU,
Vanger	0:b86d15c6ba29	398	0x43434343U, 0x4d4d4d4dU, 0x33333333U, 0x85858585U,
Vanger	0:b86d15c6ba29	399	0x45454545U, 0xf9f9f9f9U, 0x02020202U, 0x7f7f7f7fU,
Vanger	0:b86d15c6ba29	400	0x50505050U, 0x3c3c3c3cU, 0x9f9f9f9fU, 0xa8a8a8a8U,
Vanger	0:b86d15c6ba29	401	0x51515151U, 0xa3a3a3a3U, 0x40404040U, 0x8f8f8f8fU,
Vanger	0:b86d15c6ba29	402	0x92929292U, 0x9d9d9d9dU, 0x38383838U, 0xf5f5f5f5U,
Vanger	0:b86d15c6ba29	403	0xbcbcbcbcU, 0xb6b6b6b6U, 0xdadadadaU, 0x21212121U,
Vanger	0:b86d15c6ba29	404	0x10101010U, 0xffffffffU, 0xf3f3f3f3U, 0xd2d2d2d2U,
Vanger	0:b86d15c6ba29	405	0xcdcdcdcdU, 0x0c0c0c0cU, 0x13131313U, 0xececececU,
Vanger	0:b86d15c6ba29	406	0x5f5f5f5fU, 0x97979797U, 0x44444444U, 0x17171717U,
Vanger	0:b86d15c6ba29	407	0xc4c4c4c4U, 0xa7a7a7a7U, 0x7e7e7e7eU, 0x3d3d3d3dU,
Vanger	0:b86d15c6ba29	408	0x64646464U, 0x5d5d5d5dU, 0x19191919U, 0x73737373U,
Vanger	0:b86d15c6ba29	409	0x60606060U, 0x81818181U, 0x4f4f4f4fU, 0xdcdcdcdcU,
Vanger	0:b86d15c6ba29	410	0x22222222U, 0x2a2a2a2aU, 0x90909090U, 0x88888888U,
Vanger	0:b86d15c6ba29	411	0x46464646U, 0xeeeeeeeeU, 0xb8b8b8b8U, 0x14141414U,
Vanger	0:b86d15c6ba29	412	0xdedededeU, 0x5e5e5e5eU, 0x0b0b0b0bU, 0xdbdbdbdbU,
Vanger	0:b86d15c6ba29	413	0xe0e0e0e0U, 0x32323232U, 0x3a3a3a3aU, 0x0a0a0a0aU,
Vanger	0:b86d15c6ba29	414	0x49494949U, 0x06060606U, 0x24242424U, 0x5c5c5c5cU,
Vanger	0:b86d15c6ba29	415	0xc2c2c2c2U, 0xd3d3d3d3U, 0xacacacacU, 0x62626262U,
Vanger	0:b86d15c6ba29	416	0x91919191U, 0x95959595U, 0xe4e4e4e4U, 0x79797979U,
Vanger	0:b86d15c6ba29	417	0xe7e7e7e7U, 0xc8c8c8c8U, 0x37373737U, 0x6d6d6d6dU,
Vanger	0:b86d15c6ba29	418	0x8d8d8d8dU, 0xd5d5d5d5U, 0x4e4e4e4eU, 0xa9a9a9a9U,
Vanger	0:b86d15c6ba29	419	0x6c6c6c6cU, 0x56565656U, 0xf4f4f4f4U, 0xeaeaeaeaU,
Vanger	0:b86d15c6ba29	420	0x65656565U, 0x7a7a7a7aU, 0xaeaeaeaeU, 0x08080808U,
Vanger	0:b86d15c6ba29	421	0xbabababaU, 0x78787878U, 0x25252525U, 0x2e2e2e2eU,
Vanger	0:b86d15c6ba29	422	0x1c1c1c1cU, 0xa6a6a6a6U, 0xb4b4b4b4U, 0xc6c6c6c6U,
Vanger	0:b86d15c6ba29	423	0xe8e8e8e8U, 0xddddddddU, 0x74747474U, 0x1f1f1f1fU,
Vanger	0:b86d15c6ba29	424	0x4b4b4b4bU, 0xbdbdbdbdU, 0x8b8b8b8bU, 0x8a8a8a8aU,
Vanger	0:b86d15c6ba29	425	0x70707070U, 0x3e3e3e3eU, 0xb5b5b5b5U, 0x66666666U,
Vanger	0:b86d15c6ba29	426	0x48484848U, 0x03030303U, 0xf6f6f6f6U, 0x0e0e0e0eU,
Vanger	0:b86d15c6ba29	427	0x61616161U, 0x35353535U, 0x57575757U, 0xb9b9b9b9U,
Vanger	0:b86d15c6ba29	428	0x86868686U, 0xc1c1c1c1U, 0x1d1d1d1dU, 0x9e9e9e9eU,
Vanger	0:b86d15c6ba29	429	0xe1e1e1e1U, 0xf8f8f8f8U, 0x98989898U, 0x11111111U,
Vanger	0:b86d15c6ba29	430	0x69696969U, 0xd9d9d9d9U, 0x8e8e8e8eU, 0x94949494U,
Vanger	0:b86d15c6ba29	431	0x9b9b9b9bU, 0x1e1e1e1eU, 0x87878787U, 0xe9e9e9e9U,
Vanger	0:b86d15c6ba29	432	0xcecececeU, 0x55555555U, 0x28282828U, 0xdfdfdfdfU,
Vanger	0:b86d15c6ba29	433	0x8c8c8c8cU, 0xa1a1a1a1U, 0x89898989U, 0x0d0d0d0dU,
Vanger	0:b86d15c6ba29	434	0xbfbfbfbfU, 0xe6e6e6e6U, 0x42424242U, 0x68686868U,
Vanger	0:b86d15c6ba29	435	0x41414141U, 0x99999999U, 0x2d2d2d2dU, 0x0f0f0f0fU,
Vanger	0:b86d15c6ba29	436	0xb0b0b0b0U, 0x54545454U, 0xbbbbbbbbU, 0x16161616U,
Vanger	0:b86d15c6ba29	437	}
Vanger	0:b86d15c6ba29	438	};
Vanger	0:b86d15c6ba29	439
Vanger	0:b86d15c6ba29	440	static const word32 Td[5][256] = {
Vanger	0:b86d15c6ba29	441	{
Vanger	0:b86d15c6ba29	442	0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
Vanger	0:b86d15c6ba29	443	0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
Vanger	0:b86d15c6ba29	444	0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
Vanger	0:b86d15c6ba29	445	0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
Vanger	0:b86d15c6ba29	446	0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
Vanger	0:b86d15c6ba29	447	0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
Vanger	0:b86d15c6ba29	448	0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
Vanger	0:b86d15c6ba29	449	0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
Vanger	0:b86d15c6ba29	450	0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
Vanger	0:b86d15c6ba29	451	0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
Vanger	0:b86d15c6ba29	452	0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
Vanger	0:b86d15c6ba29	453	0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
Vanger	0:b86d15c6ba29	454	0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
Vanger	0:b86d15c6ba29	455	0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
Vanger	0:b86d15c6ba29	456	0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
Vanger	0:b86d15c6ba29	457	0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
Vanger	0:b86d15c6ba29	458	0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
Vanger	0:b86d15c6ba29	459	0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
Vanger	0:b86d15c6ba29	460	0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
Vanger	0:b86d15c6ba29	461	0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
Vanger	0:b86d15c6ba29	462	0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
Vanger	0:b86d15c6ba29	463	0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
Vanger	0:b86d15c6ba29	464	0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
Vanger	0:b86d15c6ba29	465	0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
Vanger	0:b86d15c6ba29	466	0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
Vanger	0:b86d15c6ba29	467	0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
Vanger	0:b86d15c6ba29	468	0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
Vanger	0:b86d15c6ba29	469	0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
Vanger	0:b86d15c6ba29	470	0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
Vanger	0:b86d15c6ba29	471	0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
Vanger	0:b86d15c6ba29	472	0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
Vanger	0:b86d15c6ba29	473	0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
Vanger	0:b86d15c6ba29	474	0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
Vanger	0:b86d15c6ba29	475	0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
Vanger	0:b86d15c6ba29	476	0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
Vanger	0:b86d15c6ba29	477	0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
Vanger	0:b86d15c6ba29	478	0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
Vanger	0:b86d15c6ba29	479	0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
Vanger	0:b86d15c6ba29	480	0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
Vanger	0:b86d15c6ba29	481	0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
Vanger	0:b86d15c6ba29	482	0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
Vanger	0:b86d15c6ba29	483	0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
Vanger	0:b86d15c6ba29	484	0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
Vanger	0:b86d15c6ba29	485	0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
Vanger	0:b86d15c6ba29	486	0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
Vanger	0:b86d15c6ba29	487	0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
Vanger	0:b86d15c6ba29	488	0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
Vanger	0:b86d15c6ba29	489	0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
Vanger	0:b86d15c6ba29	490	0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
Vanger	0:b86d15c6ba29	491	0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
Vanger	0:b86d15c6ba29	492	0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
Vanger	0:b86d15c6ba29	493	0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
Vanger	0:b86d15c6ba29	494	0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
Vanger	0:b86d15c6ba29	495	0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
Vanger	0:b86d15c6ba29	496	0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
Vanger	0:b86d15c6ba29	497	0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
Vanger	0:b86d15c6ba29	498	0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
Vanger	0:b86d15c6ba29	499	0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
Vanger	0:b86d15c6ba29	500	0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
Vanger	0:b86d15c6ba29	501	0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
Vanger	0:b86d15c6ba29	502	0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
Vanger	0:b86d15c6ba29	503	0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
Vanger	0:b86d15c6ba29	504	0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
Vanger	0:b86d15c6ba29	505	0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
Vanger	0:b86d15c6ba29	506	},
Vanger	0:b86d15c6ba29	507	{
Vanger	0:b86d15c6ba29	508	0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
Vanger	0:b86d15c6ba29	509	0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
Vanger	0:b86d15c6ba29	510	0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
Vanger	0:b86d15c6ba29	511	0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
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Vanger	0:b86d15c6ba29	665	0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
Vanger	0:b86d15c6ba29	666	0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
Vanger	0:b86d15c6ba29	667	0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
Vanger	0:b86d15c6ba29	668	0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
Vanger	0:b86d15c6ba29	669	0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
Vanger	0:b86d15c6ba29	670	0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
Vanger	0:b86d15c6ba29	671	0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
Vanger	0:b86d15c6ba29	672	0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
Vanger	0:b86d15c6ba29	673	0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
Vanger	0:b86d15c6ba29	674	0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
Vanger	0:b86d15c6ba29	675	0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
Vanger	0:b86d15c6ba29	676	0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
Vanger	0:b86d15c6ba29	677	0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
Vanger	0:b86d15c6ba29	678	0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
Vanger	0:b86d15c6ba29	679	0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
Vanger	0:b86d15c6ba29	680	0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
Vanger	0:b86d15c6ba29	681	0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
Vanger	0:b86d15c6ba29	682	0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
Vanger	0:b86d15c6ba29	683	0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
Vanger	0:b86d15c6ba29	684	0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
Vanger	0:b86d15c6ba29	685	0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
Vanger	0:b86d15c6ba29	686	0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
Vanger	0:b86d15c6ba29	687	0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
Vanger	0:b86d15c6ba29	688	0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
Vanger	0:b86d15c6ba29	689	0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
Vanger	0:b86d15c6ba29	690	0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
Vanger	0:b86d15c6ba29	691	0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
Vanger	0:b86d15c6ba29	692	0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
Vanger	0:b86d15c6ba29	693	0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
Vanger	0:b86d15c6ba29	694	0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
Vanger	0:b86d15c6ba29	695	0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
Vanger	0:b86d15c6ba29	696	0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
Vanger	0:b86d15c6ba29	697	0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
Vanger	0:b86d15c6ba29	698	0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
Vanger	0:b86d15c6ba29	699	0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
Vanger	0:b86d15c6ba29	700	0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
Vanger	0:b86d15c6ba29	701	0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
Vanger	0:b86d15c6ba29	702	0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
Vanger	0:b86d15c6ba29	703	0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
Vanger	0:b86d15c6ba29	704	0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
Vanger	0:b86d15c6ba29	705	},
Vanger	0:b86d15c6ba29	706	{
Vanger	0:b86d15c6ba29	707	0x52525252U, 0x09090909U, 0x6a6a6a6aU, 0xd5d5d5d5U,
Vanger	0:b86d15c6ba29	708	0x30303030U, 0x36363636U, 0xa5a5a5a5U, 0x38383838U,
Vanger	0:b86d15c6ba29	709	0xbfbfbfbfU, 0x40404040U, 0xa3a3a3a3U, 0x9e9e9e9eU,
Vanger	0:b86d15c6ba29	710	0x81818181U, 0xf3f3f3f3U, 0xd7d7d7d7U, 0xfbfbfbfbU,
Vanger	0:b86d15c6ba29	711	0x7c7c7c7cU, 0xe3e3e3e3U, 0x39393939U, 0x82828282U,
Vanger	0:b86d15c6ba29	712	0x9b9b9b9bU, 0x2f2f2f2fU, 0xffffffffU, 0x87878787U,
Vanger	0:b86d15c6ba29	713	0x34343434U, 0x8e8e8e8eU, 0x43434343U, 0x44444444U,
Vanger	0:b86d15c6ba29	714	0xc4c4c4c4U, 0xdedededeU, 0xe9e9e9e9U, 0xcbcbcbcbU,
Vanger	0:b86d15c6ba29	715	0x54545454U, 0x7b7b7b7bU, 0x94949494U, 0x32323232U,
Vanger	0:b86d15c6ba29	716	0xa6a6a6a6U, 0xc2c2c2c2U, 0x23232323U, 0x3d3d3d3dU,
Vanger	0:b86d15c6ba29	717	0xeeeeeeeeU, 0x4c4c4c4cU, 0x95959595U, 0x0b0b0b0bU,
Vanger	0:b86d15c6ba29	718	0x42424242U, 0xfafafafaU, 0xc3c3c3c3U, 0x4e4e4e4eU,
Vanger	0:b86d15c6ba29	719	0x08080808U, 0x2e2e2e2eU, 0xa1a1a1a1U, 0x66666666U,
Vanger	0:b86d15c6ba29	720	0x28282828U, 0xd9d9d9d9U, 0x24242424U, 0xb2b2b2b2U,
Vanger	0:b86d15c6ba29	721	0x76767676U, 0x5b5b5b5bU, 0xa2a2a2a2U, 0x49494949U,
Vanger	0:b86d15c6ba29	722	0x6d6d6d6dU, 0x8b8b8b8bU, 0xd1d1d1d1U, 0x25252525U,
Vanger	0:b86d15c6ba29	723	0x72727272U, 0xf8f8f8f8U, 0xf6f6f6f6U, 0x64646464U,
Vanger	0:b86d15c6ba29	724	0x86868686U, 0x68686868U, 0x98989898U, 0x16161616U,
Vanger	0:b86d15c6ba29	725	0xd4d4d4d4U, 0xa4a4a4a4U, 0x5c5c5c5cU, 0xccccccccU,
Vanger	0:b86d15c6ba29	726	0x5d5d5d5dU, 0x65656565U, 0xb6b6b6b6U, 0x92929292U,
Vanger	0:b86d15c6ba29	727	0x6c6c6c6cU, 0x70707070U, 0x48484848U, 0x50505050U,
Vanger	0:b86d15c6ba29	728	0xfdfdfdfdU, 0xededededU, 0xb9b9b9b9U, 0xdadadadaU,
Vanger	0:b86d15c6ba29	729	0x5e5e5e5eU, 0x15151515U, 0x46464646U, 0x57575757U,
Vanger	0:b86d15c6ba29	730	0xa7a7a7a7U, 0x8d8d8d8dU, 0x9d9d9d9dU, 0x84848484U,
Vanger	0:b86d15c6ba29	731	0x90909090U, 0xd8d8d8d8U, 0xababababU, 0x00000000U,
Vanger	0:b86d15c6ba29	732	0x8c8c8c8cU, 0xbcbcbcbcU, 0xd3d3d3d3U, 0x0a0a0a0aU,
Vanger	0:b86d15c6ba29	733	0xf7f7f7f7U, 0xe4e4e4e4U, 0x58585858U, 0x05050505U,
Vanger	0:b86d15c6ba29	734	0xb8b8b8b8U, 0xb3b3b3b3U, 0x45454545U, 0x06060606U,
Vanger	0:b86d15c6ba29	735	0xd0d0d0d0U, 0x2c2c2c2cU, 0x1e1e1e1eU, 0x8f8f8f8fU,
Vanger	0:b86d15c6ba29	736	0xcacacacaU, 0x3f3f3f3fU, 0x0f0f0f0fU, 0x02020202U,
Vanger	0:b86d15c6ba29	737	0xc1c1c1c1U, 0xafafafafU, 0xbdbdbdbdU, 0x03030303U,
Vanger	0:b86d15c6ba29	738	0x01010101U, 0x13131313U, 0x8a8a8a8aU, 0x6b6b6b6bU,
Vanger	0:b86d15c6ba29	739	0x3a3a3a3aU, 0x91919191U, 0x11111111U, 0x41414141U,
Vanger	0:b86d15c6ba29	740	0x4f4f4f4fU, 0x67676767U, 0xdcdcdcdcU, 0xeaeaeaeaU,
Vanger	0:b86d15c6ba29	741	0x97979797U, 0xf2f2f2f2U, 0xcfcfcfcfU, 0xcecececeU,
Vanger	0:b86d15c6ba29	742	0xf0f0f0f0U, 0xb4b4b4b4U, 0xe6e6e6e6U, 0x73737373U,
Vanger	0:b86d15c6ba29	743	0x96969696U, 0xacacacacU, 0x74747474U, 0x22222222U,
Vanger	0:b86d15c6ba29	744	0xe7e7e7e7U, 0xadadadadU, 0x35353535U, 0x85858585U,
Vanger	0:b86d15c6ba29	745	0xe2e2e2e2U, 0xf9f9f9f9U, 0x37373737U, 0xe8e8e8e8U,
Vanger	0:b86d15c6ba29	746	0x1c1c1c1cU, 0x75757575U, 0xdfdfdfdfU, 0x6e6e6e6eU,
Vanger	0:b86d15c6ba29	747	0x47474747U, 0xf1f1f1f1U, 0x1a1a1a1aU, 0x71717171U,
Vanger	0:b86d15c6ba29	748	0x1d1d1d1dU, 0x29292929U, 0xc5c5c5c5U, 0x89898989U,
Vanger	0:b86d15c6ba29	749	0x6f6f6f6fU, 0xb7b7b7b7U, 0x62626262U, 0x0e0e0e0eU,
Vanger	0:b86d15c6ba29	750	0xaaaaaaaaU, 0x18181818U, 0xbebebebeU, 0x1b1b1b1bU,
Vanger	0:b86d15c6ba29	751	0xfcfcfcfcU, 0x56565656U, 0x3e3e3e3eU, 0x4b4b4b4bU,
Vanger	0:b86d15c6ba29	752	0xc6c6c6c6U, 0xd2d2d2d2U, 0x79797979U, 0x20202020U,
Vanger	0:b86d15c6ba29	753	0x9a9a9a9aU, 0xdbdbdbdbU, 0xc0c0c0c0U, 0xfefefefeU,
Vanger	0:b86d15c6ba29	754	0x78787878U, 0xcdcdcdcdU, 0x5a5a5a5aU, 0xf4f4f4f4U,
Vanger	0:b86d15c6ba29	755	0x1f1f1f1fU, 0xddddddddU, 0xa8a8a8a8U, 0x33333333U,
Vanger	0:b86d15c6ba29	756	0x88888888U, 0x07070707U, 0xc7c7c7c7U, 0x31313131U,
Vanger	0:b86d15c6ba29	757	0xb1b1b1b1U, 0x12121212U, 0x10101010U, 0x59595959U,
Vanger	0:b86d15c6ba29	758	0x27272727U, 0x80808080U, 0xececececU, 0x5f5f5f5fU,
Vanger	0:b86d15c6ba29	759	0x60606060U, 0x51515151U, 0x7f7f7f7fU, 0xa9a9a9a9U,
Vanger	0:b86d15c6ba29	760	0x19191919U, 0xb5b5b5b5U, 0x4a4a4a4aU, 0x0d0d0d0dU,
Vanger	0:b86d15c6ba29	761	0x2d2d2d2dU, 0xe5e5e5e5U, 0x7a7a7a7aU, 0x9f9f9f9fU,
Vanger	0:b86d15c6ba29	762	0x93939393U, 0xc9c9c9c9U, 0x9c9c9c9cU, 0xefefefefU,
Vanger	0:b86d15c6ba29	763	0xa0a0a0a0U, 0xe0e0e0e0U, 0x3b3b3b3bU, 0x4d4d4d4dU,
Vanger	0:b86d15c6ba29	764	0xaeaeaeaeU, 0x2a2a2a2aU, 0xf5f5f5f5U, 0xb0b0b0b0U,
Vanger	0:b86d15c6ba29	765	0xc8c8c8c8U, 0xebebebebU, 0xbbbbbbbbU, 0x3c3c3c3cU,
Vanger	0:b86d15c6ba29	766	0x83838383U, 0x53535353U, 0x99999999U, 0x61616161U,
Vanger	0:b86d15c6ba29	767	0x17171717U, 0x2b2b2b2bU, 0x04040404U, 0x7e7e7e7eU,
Vanger	0:b86d15c6ba29	768	0xbabababaU, 0x77777777U, 0xd6d6d6d6U, 0x26262626U,
Vanger	0:b86d15c6ba29	769	0xe1e1e1e1U, 0x69696969U, 0x14141414U, 0x63636363U,
Vanger	0:b86d15c6ba29	770	0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
Vanger	0:b86d15c6ba29	771	}
Vanger	0:b86d15c6ba29	772	};
Vanger	0:b86d15c6ba29	773
Vanger	0:b86d15c6ba29	774	#define GETBYTE(x, y) (word32)((byte)((x) >> (8 * (y))))
Vanger	0:b86d15c6ba29	775
Vanger	0:b86d15c6ba29	776	#ifdef CYASSL_AESNI
Vanger	0:b86d15c6ba29	777
Vanger	0:b86d15c6ba29	778	/* Each platform needs to query info type 1 from cpuid to see if aesni is
Vanger	0:b86d15c6ba29	779	* supported. Also, let's setup a macro for proper linkage w/o ABI conflicts
Vanger	0:b86d15c6ba29	780	*/
Vanger	0:b86d15c6ba29	781
Vanger	0:b86d15c6ba29	782	#ifndef _MSC_VER
Vanger	0:b86d15c6ba29	783
Vanger	0:b86d15c6ba29	784	#define cpuid(reg, func)\
Vanger	0:b86d15c6ba29	785	__asm__ __volatile__ ("cpuid":\
Vanger	0:b86d15c6ba29	786	"=a" (reg[0]), "=b" (reg[1]), "=c" (reg[2]), "=d" (reg[3]) :\
Vanger	0:b86d15c6ba29	787	"a" (func));
Vanger	0:b86d15c6ba29	788
Vanger	0:b86d15c6ba29	789	#define XASM_LINK(f) asm(f)
Vanger	0:b86d15c6ba29	790	#else
Vanger	0:b86d15c6ba29	791
Vanger	0:b86d15c6ba29	792	#include <intrin.h>
Vanger	0:b86d15c6ba29	793	#define cpuid(a,b) __cpuid((int*)a,b)
Vanger	0:b86d15c6ba29	794
Vanger	0:b86d15c6ba29	795	#define XASM_LINK(f)
Vanger	0:b86d15c6ba29	796
Vanger	0:b86d15c6ba29	797	#endif /* _MSC_VER */
Vanger	0:b86d15c6ba29	798
Vanger	0:b86d15c6ba29	799
Vanger	0:b86d15c6ba29	800	static int Check_CPU_support_AES(void)
Vanger	0:b86d15c6ba29	801	{
Vanger	0:b86d15c6ba29	802	unsigned int reg[4]; /* put a,b,c,d into 0,1,2,3 */
Vanger	0:b86d15c6ba29	803	cpuid(reg, 1); /* query info 1 */
Vanger	0:b86d15c6ba29	804
Vanger	0:b86d15c6ba29	805	if (reg[2] & 0x2000000)
Vanger	0:b86d15c6ba29	806	return 1;
Vanger	0:b86d15c6ba29	807
Vanger	0:b86d15c6ba29	808	return 0;
Vanger	0:b86d15c6ba29	809	}
Vanger	0:b86d15c6ba29	810
Vanger	0:b86d15c6ba29	811	static int checkAESNI = 0;
Vanger	0:b86d15c6ba29	812	static int haveAESNI = 0;
Vanger	0:b86d15c6ba29	813
Vanger	0:b86d15c6ba29	814
Vanger	0:b86d15c6ba29	815	/* tell C compiler these are asm functions in case any mix up of ABI underscore
Vanger	0:b86d15c6ba29	816	prefix between clang/gcc/llvm etc */
Vanger	0:b86d15c6ba29	817	void AES_CBC_encrypt(const unsigned char* in, unsigned char* out,
Vanger	0:b86d15c6ba29	818	unsigned char* ivec, unsigned long length,
Vanger	0:b86d15c6ba29	819	const unsigned char* KS, int nr)
Vanger	0:b86d15c6ba29	820	XASM_LINK("AES_CBC_encrypt");
Vanger	0:b86d15c6ba29	821
Vanger	0:b86d15c6ba29	822
Vanger	0:b86d15c6ba29	823	void AES_CBC_decrypt(const unsigned char* in, unsigned char* out,
Vanger	0:b86d15c6ba29	824	unsigned char* ivec, unsigned long length,
Vanger	0:b86d15c6ba29	825	const unsigned char* KS, int nr)
Vanger	0:b86d15c6ba29	826	XASM_LINK("AES_CBC_decrypt");
Vanger	0:b86d15c6ba29	827
Vanger	0:b86d15c6ba29	828	void AES_ECB_encrypt(const unsigned char* in, unsigned char* out,
Vanger	0:b86d15c6ba29	829	unsigned long length, const unsigned char* KS, int nr)
Vanger	0:b86d15c6ba29	830	XASM_LINK("AES_ECB_encrypt");
Vanger	0:b86d15c6ba29	831
Vanger	0:b86d15c6ba29	832
Vanger	0:b86d15c6ba29	833	void AES_ECB_decrypt(const unsigned char* in, unsigned char* out,
Vanger	0:b86d15c6ba29	834	unsigned long length, const unsigned char* KS, int nr)
Vanger	0:b86d15c6ba29	835	XASM_LINK("AES_ECB_decrypt");
Vanger	0:b86d15c6ba29	836
Vanger	0:b86d15c6ba29	837	void AES_128_Key_Expansion(const unsigned char* userkey,
Vanger	0:b86d15c6ba29	838	unsigned char* key_schedule)
Vanger	0:b86d15c6ba29	839	XASM_LINK("AES_128_Key_Expansion");
Vanger	0:b86d15c6ba29	840
Vanger	0:b86d15c6ba29	841	void AES_192_Key_Expansion(const unsigned char* userkey,
Vanger	0:b86d15c6ba29	842	unsigned char* key_schedule)
Vanger	0:b86d15c6ba29	843	XASM_LINK("AES_192_Key_Expansion");
Vanger	0:b86d15c6ba29	844
Vanger	0:b86d15c6ba29	845	void AES_256_Key_Expansion(const unsigned char* userkey,
Vanger	0:b86d15c6ba29	846	unsigned char* key_schedule)
Vanger	0:b86d15c6ba29	847	XASM_LINK("AES_256_Key_Expansion");
Vanger	0:b86d15c6ba29	848
Vanger	0:b86d15c6ba29	849
Vanger	0:b86d15c6ba29	850	static int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
Vanger	0:b86d15c6ba29	851	Aes* aes)
Vanger	0:b86d15c6ba29	852	{
Vanger	0:b86d15c6ba29	853	if (!userKey \|\| !aes)
Vanger	0:b86d15c6ba29	854	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	855
Vanger	0:b86d15c6ba29	856	if (bits == 128) {
Vanger	0:b86d15c6ba29	857	AES_128_Key_Expansion (userKey,(byte*)aes->key); aes->rounds = 10;
Vanger	0:b86d15c6ba29	858	return 0;
Vanger	0:b86d15c6ba29	859	}
Vanger	0:b86d15c6ba29	860	else if (bits == 192) {
Vanger	0:b86d15c6ba29	861	AES_192_Key_Expansion (userKey,(byte*)aes->key); aes->rounds = 12;
Vanger	0:b86d15c6ba29	862	return 0;
Vanger	0:b86d15c6ba29	863	}
Vanger	0:b86d15c6ba29	864	else if (bits == 256) {
Vanger	0:b86d15c6ba29	865	AES_256_Key_Expansion (userKey,(byte*)aes->key); aes->rounds = 14;
Vanger	0:b86d15c6ba29	866	return 0;
Vanger	0:b86d15c6ba29	867	}
Vanger	0:b86d15c6ba29	868	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	869	}
Vanger	0:b86d15c6ba29	870
Vanger	0:b86d15c6ba29	871
Vanger	0:b86d15c6ba29	872	static int AES_set_decrypt_key(const unsigned char* userKey, const int bits,
Vanger	0:b86d15c6ba29	873	Aes* aes)
Vanger	0:b86d15c6ba29	874	{
Vanger	0:b86d15c6ba29	875	int nr;
Vanger	0:b86d15c6ba29	876	Aes temp_key;
Vanger	0:b86d15c6ba29	877	__m128i Key_Schedule = (__m128i)aes->key;
Vanger	0:b86d15c6ba29	878	__m128i Temp_Key_Schedule = (__m128i)temp_key.key;
Vanger	0:b86d15c6ba29	879
Vanger	0:b86d15c6ba29	880	if (!userKey \|\| !aes)
Vanger	0:b86d15c6ba29	881	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	882
Vanger	0:b86d15c6ba29	883	if (AES_set_encrypt_key(userKey,bits,&temp_key) == BAD_FUNC_ARG)
Vanger	0:b86d15c6ba29	884	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	885
Vanger	0:b86d15c6ba29	886	nr = temp_key.rounds;
Vanger	0:b86d15c6ba29	887	aes->rounds = nr;
Vanger	0:b86d15c6ba29	888
Vanger	0:b86d15c6ba29	889	Key_Schedule[nr] = Temp_Key_Schedule[0];
Vanger	0:b86d15c6ba29	890	Key_Schedule[nr-1] = _mm_aesimc_si128(Temp_Key_Schedule[1]);
Vanger	0:b86d15c6ba29	891	Key_Schedule[nr-2] = _mm_aesimc_si128(Temp_Key_Schedule[2]);
Vanger	0:b86d15c6ba29	892	Key_Schedule[nr-3] = _mm_aesimc_si128(Temp_Key_Schedule[3]);
Vanger	0:b86d15c6ba29	893	Key_Schedule[nr-4] = _mm_aesimc_si128(Temp_Key_Schedule[4]);
Vanger	0:b86d15c6ba29	894	Key_Schedule[nr-5] = _mm_aesimc_si128(Temp_Key_Schedule[5]);
Vanger	0:b86d15c6ba29	895	Key_Schedule[nr-6] = _mm_aesimc_si128(Temp_Key_Schedule[6]);
Vanger	0:b86d15c6ba29	896	Key_Schedule[nr-7] = _mm_aesimc_si128(Temp_Key_Schedule[7]);
Vanger	0:b86d15c6ba29	897	Key_Schedule[nr-8] = _mm_aesimc_si128(Temp_Key_Schedule[8]);
Vanger	0:b86d15c6ba29	898	Key_Schedule[nr-9] = _mm_aesimc_si128(Temp_Key_Schedule[9]);
Vanger	0:b86d15c6ba29	899
Vanger	0:b86d15c6ba29	900	if(nr>10) {
Vanger	0:b86d15c6ba29	901	Key_Schedule[nr-10] = _mm_aesimc_si128(Temp_Key_Schedule[10]);
Vanger	0:b86d15c6ba29	902	Key_Schedule[nr-11] = _mm_aesimc_si128(Temp_Key_Schedule[11]);
Vanger	0:b86d15c6ba29	903	}
Vanger	0:b86d15c6ba29	904
Vanger	0:b86d15c6ba29	905	if(nr>12) {
Vanger	0:b86d15c6ba29	906	Key_Schedule[nr-12] = _mm_aesimc_si128(Temp_Key_Schedule[12]);
Vanger	0:b86d15c6ba29	907	Key_Schedule[nr-13] = _mm_aesimc_si128(Temp_Key_Schedule[13]);
Vanger	0:b86d15c6ba29	908	}
Vanger	0:b86d15c6ba29	909
Vanger	0:b86d15c6ba29	910	Key_Schedule[0] = Temp_Key_Schedule[nr];
Vanger	0:b86d15c6ba29	911
Vanger	0:b86d15c6ba29	912	return 0;
Vanger	0:b86d15c6ba29	913	}
Vanger	0:b86d15c6ba29	914
Vanger	0:b86d15c6ba29	915
Vanger	0:b86d15c6ba29	916
Vanger	0:b86d15c6ba29	917	#endif /* CYASSL_AESNI */
Vanger	0:b86d15c6ba29	918
Vanger	0:b86d15c6ba29	919
Vanger	0:b86d15c6ba29	920	static void AesEncrypt(Aes* aes, const byte* inBlock, byte* outBlock)
Vanger	0:b86d15c6ba29	921	{
Vanger	0:b86d15c6ba29	922	word32 s0, s1, s2, s3;
Vanger	0:b86d15c6ba29	923	word32 t0, t1, t2, t3;
Vanger	0:b86d15c6ba29	924	word32 r = aes->rounds >> 1;
Vanger	0:b86d15c6ba29	925
Vanger	0:b86d15c6ba29	926	const word32* rk = aes->key;
Vanger	0:b86d15c6ba29	927	if (r > 7 \|\| r == 0) {
Vanger	0:b86d15c6ba29	928	CYASSL_MSG("AesEncrypt encountered improper key, set it up");
Vanger	0:b86d15c6ba29	929	return; /* stop instead of segfaulting, set up your keys! */
Vanger	0:b86d15c6ba29	930	}
Vanger	0:b86d15c6ba29	931	#ifdef CYASSL_AESNI
Vanger	0:b86d15c6ba29	932	if (haveAESNI && aes->use_aesni) {
Vanger	0:b86d15c6ba29	933	#ifdef DEBUG_AESNI
Vanger	0:b86d15c6ba29	934	printf("about to aes encrypt\n");
Vanger	0:b86d15c6ba29	935	printf("in = %p\n", inBlock);
Vanger	0:b86d15c6ba29	936	printf("out = %p\n", outBlock);
Vanger	0:b86d15c6ba29	937	printf("aes->key = %p\n", aes->key);
Vanger	0:b86d15c6ba29	938	printf("aes->rounds = %d\n", aes->rounds);
Vanger	0:b86d15c6ba29	939	printf("sz = %d\n", AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	940	#endif
Vanger	0:b86d15c6ba29	941
Vanger	0:b86d15c6ba29	942	/* check alignment, decrypt doesn't need alignment */
Vanger	0:b86d15c6ba29	943	if ((cyassl_word)inBlock % 16) {
Vanger	0:b86d15c6ba29	944	#ifndef NO_CYASSL_ALLOC_ALIGN
Vanger	0:b86d15c6ba29	945	byte* tmp = (byte*)XMALLOC(AES_BLOCK_SIZE, NULL,
Vanger	0:b86d15c6ba29	946	DYNAMIC_TYPE_TMP_BUFFER);
Vanger	0:b86d15c6ba29	947	if (tmp == NULL) return;
Vanger	0:b86d15c6ba29	948
Vanger	0:b86d15c6ba29	949	XMEMCPY(tmp, inBlock, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	950	AES_ECB_encrypt(tmp, tmp, AES_BLOCK_SIZE, (byte*)aes->key,
Vanger	0:b86d15c6ba29	951	aes->rounds);
Vanger	0:b86d15c6ba29	952	XMEMCPY(outBlock, tmp, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	953	XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
Vanger	0:b86d15c6ba29	954	return;
Vanger	0:b86d15c6ba29	955	#else
Vanger	0:b86d15c6ba29	956	CYASSL_MSG("AES-ECB encrypt with bad alignment");
Vanger	0:b86d15c6ba29	957	return;
Vanger	0:b86d15c6ba29	958	#endif
Vanger	0:b86d15c6ba29	959	}
Vanger	0:b86d15c6ba29	960
Vanger	0:b86d15c6ba29	961	AES_ECB_encrypt(inBlock, outBlock, AES_BLOCK_SIZE, (byte*)aes->key,
Vanger	0:b86d15c6ba29	962	aes->rounds);
Vanger	0:b86d15c6ba29	963
Vanger	0:b86d15c6ba29	964	return;
Vanger	0:b86d15c6ba29	965	}
Vanger	0:b86d15c6ba29	966	else {
Vanger	0:b86d15c6ba29	967	#ifdef DEBUG_AESNI
Vanger	0:b86d15c6ba29	968	printf("Skipping AES-NI\n");
Vanger	0:b86d15c6ba29	969	#endif
Vanger	0:b86d15c6ba29	970	}
Vanger	0:b86d15c6ba29	971	#endif
Vanger	0:b86d15c6ba29	972
Vanger	0:b86d15c6ba29	973	/*
Vanger	0:b86d15c6ba29	974	* map byte array block to cipher state
Vanger	0:b86d15c6ba29	975	* and add initial round key:
Vanger	0:b86d15c6ba29	976	*/
Vanger	0:b86d15c6ba29	977	XMEMCPY(&s0, inBlock, sizeof(s0));
Vanger	0:b86d15c6ba29	978	XMEMCPY(&s1, inBlock + sizeof(s0), sizeof(s1));
Vanger	0:b86d15c6ba29	979	XMEMCPY(&s2, inBlock + 2 * sizeof(s0), sizeof(s2));
Vanger	0:b86d15c6ba29	980	XMEMCPY(&s3, inBlock + 3 * sizeof(s0), sizeof(s3));
Vanger	0:b86d15c6ba29	981
Vanger	0:b86d15c6ba29	982	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	983	s0 = ByteReverseWord32(s0);
Vanger	0:b86d15c6ba29	984	s1 = ByteReverseWord32(s1);
Vanger	0:b86d15c6ba29	985	s2 = ByteReverseWord32(s2);
Vanger	0:b86d15c6ba29	986	s3 = ByteReverseWord32(s3);
Vanger	0:b86d15c6ba29	987	#endif
Vanger	0:b86d15c6ba29	988
Vanger	0:b86d15c6ba29	989	s0 ^= rk[0];
Vanger	0:b86d15c6ba29	990	s1 ^= rk[1];
Vanger	0:b86d15c6ba29	991	s2 ^= rk[2];
Vanger	0:b86d15c6ba29	992	s3 ^= rk[3];
Vanger	0:b86d15c6ba29	993
Vanger	0:b86d15c6ba29	994	/*
Vanger	0:b86d15c6ba29	995	* Nr - 1 full rounds:
Vanger	0:b86d15c6ba29	996	*/
Vanger	0:b86d15c6ba29	997
Vanger	0:b86d15c6ba29	998	for (;;) {
Vanger	0:b86d15c6ba29	999	t0 =
Vanger	0:b86d15c6ba29	1000	Te[0][GETBYTE(s0, 3)] ^
Vanger	0:b86d15c6ba29	1001	Te[1][GETBYTE(s1, 2)] ^
Vanger	0:b86d15c6ba29	1002	Te[2][GETBYTE(s2, 1)] ^
Vanger	0:b86d15c6ba29	1003	Te[3][GETBYTE(s3, 0)] ^
Vanger	0:b86d15c6ba29	1004	rk[4];
Vanger	0:b86d15c6ba29	1005	t1 =
Vanger	0:b86d15c6ba29	1006	Te[0][GETBYTE(s1, 3)] ^
Vanger	0:b86d15c6ba29	1007	Te[1][GETBYTE(s2, 2)] ^
Vanger	0:b86d15c6ba29	1008	Te[2][GETBYTE(s3, 1)] ^
Vanger	0:b86d15c6ba29	1009	Te[3][GETBYTE(s0, 0)] ^
Vanger	0:b86d15c6ba29	1010	rk[5];
Vanger	0:b86d15c6ba29	1011	t2 =
Vanger	0:b86d15c6ba29	1012	Te[0][GETBYTE(s2, 3)] ^
Vanger	0:b86d15c6ba29	1013	Te[1][GETBYTE(s3, 2)] ^
Vanger	0:b86d15c6ba29	1014	Te[2][GETBYTE(s0, 1)] ^
Vanger	0:b86d15c6ba29	1015	Te[3][GETBYTE(s1, 0)] ^
Vanger	0:b86d15c6ba29	1016	rk[6];
Vanger	0:b86d15c6ba29	1017	t3 =
Vanger	0:b86d15c6ba29	1018	Te[0][GETBYTE(s3, 3)] ^
Vanger	0:b86d15c6ba29	1019	Te[1][GETBYTE(s0, 2)] ^
Vanger	0:b86d15c6ba29	1020	Te[2][GETBYTE(s1, 1)] ^
Vanger	0:b86d15c6ba29	1021	Te[3][GETBYTE(s2, 0)] ^
Vanger	0:b86d15c6ba29	1022	rk[7];
Vanger	0:b86d15c6ba29	1023
Vanger	0:b86d15c6ba29	1024	rk += 8;
Vanger	0:b86d15c6ba29	1025	if (--r == 0) {
Vanger	0:b86d15c6ba29	1026	break;
Vanger	0:b86d15c6ba29	1027	}
Vanger	0:b86d15c6ba29	1028
Vanger	0:b86d15c6ba29	1029	s0 =
Vanger	0:b86d15c6ba29	1030	Te[0][GETBYTE(t0, 3)] ^
Vanger	0:b86d15c6ba29	1031	Te[1][GETBYTE(t1, 2)] ^
Vanger	0:b86d15c6ba29	1032	Te[2][GETBYTE(t2, 1)] ^
Vanger	0:b86d15c6ba29	1033	Te[3][GETBYTE(t3, 0)] ^
Vanger	0:b86d15c6ba29	1034	rk[0];
Vanger	0:b86d15c6ba29	1035	s1 =
Vanger	0:b86d15c6ba29	1036	Te[0][GETBYTE(t1, 3)] ^
Vanger	0:b86d15c6ba29	1037	Te[1][GETBYTE(t2, 2)] ^
Vanger	0:b86d15c6ba29	1038	Te[2][GETBYTE(t3, 1)] ^
Vanger	0:b86d15c6ba29	1039	Te[3][GETBYTE(t0, 0)] ^
Vanger	0:b86d15c6ba29	1040	rk[1];
Vanger	0:b86d15c6ba29	1041	s2 =
Vanger	0:b86d15c6ba29	1042	Te[0][GETBYTE(t2, 3)] ^
Vanger	0:b86d15c6ba29	1043	Te[1][GETBYTE(t3, 2)] ^
Vanger	0:b86d15c6ba29	1044	Te[2][GETBYTE(t0, 1)] ^
Vanger	0:b86d15c6ba29	1045	Te[3][GETBYTE(t1, 0)] ^
Vanger	0:b86d15c6ba29	1046	rk[2];
Vanger	0:b86d15c6ba29	1047	s3 =
Vanger	0:b86d15c6ba29	1048	Te[0][GETBYTE(t3, 3)] ^
Vanger	0:b86d15c6ba29	1049	Te[1][GETBYTE(t0, 2)] ^
Vanger	0:b86d15c6ba29	1050	Te[2][GETBYTE(t1, 1)] ^
Vanger	0:b86d15c6ba29	1051	Te[3][GETBYTE(t2, 0)] ^
Vanger	0:b86d15c6ba29	1052	rk[3];
Vanger	0:b86d15c6ba29	1053	}
Vanger	0:b86d15c6ba29	1054
Vanger	0:b86d15c6ba29	1055	/*
Vanger	0:b86d15c6ba29	1056	* apply last round and
Vanger	0:b86d15c6ba29	1057	* map cipher state to byte array block:
Vanger	0:b86d15c6ba29	1058	*/
Vanger	0:b86d15c6ba29	1059
Vanger	0:b86d15c6ba29	1060	s0 =
Vanger	0:b86d15c6ba29	1061	(Te[4][GETBYTE(t0, 3)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1062	(Te[4][GETBYTE(t1, 2)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1063	(Te[4][GETBYTE(t2, 1)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1064	(Te[4][GETBYTE(t3, 0)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1065	rk[0];
Vanger	0:b86d15c6ba29	1066	s1 =
Vanger	0:b86d15c6ba29	1067	(Te[4][GETBYTE(t1, 3)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1068	(Te[4][GETBYTE(t2, 2)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1069	(Te[4][GETBYTE(t3, 1)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1070	(Te[4][GETBYTE(t0, 0)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1071	rk[1];
Vanger	0:b86d15c6ba29	1072	s2 =
Vanger	0:b86d15c6ba29	1073	(Te[4][GETBYTE(t2, 3)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1074	(Te[4][GETBYTE(t3, 2)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1075	(Te[4][GETBYTE(t0, 1)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1076	(Te[4][GETBYTE(t1, 0)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1077	rk[2];
Vanger	0:b86d15c6ba29	1078	s3 =
Vanger	0:b86d15c6ba29	1079	(Te[4][GETBYTE(t3, 3)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1080	(Te[4][GETBYTE(t0, 2)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1081	(Te[4][GETBYTE(t1, 1)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1082	(Te[4][GETBYTE(t2, 0)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1083	rk[3];
Vanger	0:b86d15c6ba29	1084
Vanger	0:b86d15c6ba29	1085	/* write out */
Vanger	0:b86d15c6ba29	1086	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	1087	s0 = ByteReverseWord32(s0);
Vanger	0:b86d15c6ba29	1088	s1 = ByteReverseWord32(s1);
Vanger	0:b86d15c6ba29	1089	s2 = ByteReverseWord32(s2);
Vanger	0:b86d15c6ba29	1090	s3 = ByteReverseWord32(s3);
Vanger	0:b86d15c6ba29	1091	#endif
Vanger	0:b86d15c6ba29	1092
Vanger	0:b86d15c6ba29	1093	XMEMCPY(outBlock, &s0, sizeof(s0));
Vanger	0:b86d15c6ba29	1094	XMEMCPY(outBlock + sizeof(s0), &s1, sizeof(s1));
Vanger	0:b86d15c6ba29	1095	XMEMCPY(outBlock + 2 * sizeof(s0), &s2, sizeof(s2));
Vanger	0:b86d15c6ba29	1096	XMEMCPY(outBlock + 3 * sizeof(s0), &s3, sizeof(s3));
Vanger	0:b86d15c6ba29	1097	}
Vanger	0:b86d15c6ba29	1098
Vanger	0:b86d15c6ba29	1099	static void AesDecrypt(Aes* aes, const byte* inBlock, byte* outBlock)
Vanger	0:b86d15c6ba29	1100	{
Vanger	0:b86d15c6ba29	1101	word32 s0, s1, s2, s3;
Vanger	0:b86d15c6ba29	1102	word32 t0, t1, t2, t3;
Vanger	0:b86d15c6ba29	1103	word32 r = aes->rounds >> 1;
Vanger	0:b86d15c6ba29	1104
Vanger	0:b86d15c6ba29	1105	const word32* rk = aes->key;
Vanger	0:b86d15c6ba29	1106	if (r > 7 \|\| r == 0) {
Vanger	0:b86d15c6ba29	1107	CYASSL_MSG("AesDecrypt encountered improper key, set it up");
Vanger	0:b86d15c6ba29	1108	return; /* stop instead of segfaulting, set up your keys! */
Vanger	0:b86d15c6ba29	1109	}
Vanger	0:b86d15c6ba29	1110	#ifdef CYASSL_AESNI
Vanger	0:b86d15c6ba29	1111	if (haveAESNI && aes->use_aesni) {
Vanger	0:b86d15c6ba29	1112	#ifdef DEBUG_AESNI
Vanger	0:b86d15c6ba29	1113	printf("about to aes decrypt\n");
Vanger	0:b86d15c6ba29	1114	printf("in = %p\n", inBlock);
Vanger	0:b86d15c6ba29	1115	printf("out = %p\n", outBlock);
Vanger	0:b86d15c6ba29	1116	printf("aes->key = %p\n", aes->key);
Vanger	0:b86d15c6ba29	1117	printf("aes->rounds = %d\n", aes->rounds);
Vanger	0:b86d15c6ba29	1118	printf("sz = %d\n", AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1119	#endif
Vanger	0:b86d15c6ba29	1120
Vanger	0:b86d15c6ba29	1121	/* if input and output same will overwrite input iv */
Vanger	0:b86d15c6ba29	1122	XMEMCPY(aes->tmp, inBlock, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1123	AES_ECB_decrypt(inBlock, outBlock, AES_BLOCK_SIZE, (byte*)aes->key,
Vanger	0:b86d15c6ba29	1124	aes->rounds);
Vanger	0:b86d15c6ba29	1125	return;
Vanger	0:b86d15c6ba29	1126	}
Vanger	0:b86d15c6ba29	1127	else {
Vanger	0:b86d15c6ba29	1128	#ifdef DEBUG_AESNI
Vanger	0:b86d15c6ba29	1129	printf("Skipping AES-NI\n");
Vanger	0:b86d15c6ba29	1130	#endif
Vanger	0:b86d15c6ba29	1131	}
Vanger	0:b86d15c6ba29	1132	#endif
Vanger	0:b86d15c6ba29	1133
Vanger	0:b86d15c6ba29	1134	/*
Vanger	0:b86d15c6ba29	1135	* map byte array block to cipher state
Vanger	0:b86d15c6ba29	1136	* and add initial round key:
Vanger	0:b86d15c6ba29	1137	*/
Vanger	0:b86d15c6ba29	1138	XMEMCPY(&s0, inBlock, sizeof(s0));
Vanger	0:b86d15c6ba29	1139	XMEMCPY(&s1, inBlock + sizeof(s0), sizeof(s1));
Vanger	0:b86d15c6ba29	1140	XMEMCPY(&s2, inBlock + 2 * sizeof(s0), sizeof(s2));
Vanger	0:b86d15c6ba29	1141	XMEMCPY(&s3, inBlock + 3 * sizeof(s0), sizeof(s3));
Vanger	0:b86d15c6ba29	1142
Vanger	0:b86d15c6ba29	1143	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	1144	s0 = ByteReverseWord32(s0);
Vanger	0:b86d15c6ba29	1145	s1 = ByteReverseWord32(s1);
Vanger	0:b86d15c6ba29	1146	s2 = ByteReverseWord32(s2);
Vanger	0:b86d15c6ba29	1147	s3 = ByteReverseWord32(s3);
Vanger	0:b86d15c6ba29	1148	#endif
Vanger	0:b86d15c6ba29	1149
Vanger	0:b86d15c6ba29	1150	s0 ^= rk[0];
Vanger	0:b86d15c6ba29	1151	s1 ^= rk[1];
Vanger	0:b86d15c6ba29	1152	s2 ^= rk[2];
Vanger	0:b86d15c6ba29	1153	s3 ^= rk[3];
Vanger	0:b86d15c6ba29	1154
Vanger	0:b86d15c6ba29	1155	/*
Vanger	0:b86d15c6ba29	1156	* Nr - 1 full rounds:
Vanger	0:b86d15c6ba29	1157	*/
Vanger	0:b86d15c6ba29	1158
Vanger	0:b86d15c6ba29	1159	for (;;) {
Vanger	0:b86d15c6ba29	1160	t0 =
Vanger	0:b86d15c6ba29	1161	Td[0][GETBYTE(s0, 3)] ^
Vanger	0:b86d15c6ba29	1162	Td[1][GETBYTE(s3, 2)] ^
Vanger	0:b86d15c6ba29	1163	Td[2][GETBYTE(s2, 1)] ^
Vanger	0:b86d15c6ba29	1164	Td[3][GETBYTE(s1, 0)] ^
Vanger	0:b86d15c6ba29	1165	rk[4];
Vanger	0:b86d15c6ba29	1166	t1 =
Vanger	0:b86d15c6ba29	1167	Td[0][GETBYTE(s1, 3)] ^
Vanger	0:b86d15c6ba29	1168	Td[1][GETBYTE(s0, 2)] ^
Vanger	0:b86d15c6ba29	1169	Td[2][GETBYTE(s3, 1)] ^
Vanger	0:b86d15c6ba29	1170	Td[3][GETBYTE(s2, 0)] ^
Vanger	0:b86d15c6ba29	1171	rk[5];
Vanger	0:b86d15c6ba29	1172	t2 =
Vanger	0:b86d15c6ba29	1173	Td[0][GETBYTE(s2, 3)] ^
Vanger	0:b86d15c6ba29	1174	Td[1][GETBYTE(s1, 2)] ^
Vanger	0:b86d15c6ba29	1175	Td[2][GETBYTE(s0, 1)] ^
Vanger	0:b86d15c6ba29	1176	Td[3][GETBYTE(s3, 0)] ^
Vanger	0:b86d15c6ba29	1177	rk[6];
Vanger	0:b86d15c6ba29	1178	t3 =
Vanger	0:b86d15c6ba29	1179	Td[0][GETBYTE(s3, 3)] ^
Vanger	0:b86d15c6ba29	1180	Td[1][GETBYTE(s2, 2)] ^
Vanger	0:b86d15c6ba29	1181	Td[2][GETBYTE(s1, 1)] ^
Vanger	0:b86d15c6ba29	1182	Td[3][GETBYTE(s0, 0)] ^
Vanger	0:b86d15c6ba29	1183	rk[7];
Vanger	0:b86d15c6ba29	1184
Vanger	0:b86d15c6ba29	1185	rk += 8;
Vanger	0:b86d15c6ba29	1186	if (--r == 0) {
Vanger	0:b86d15c6ba29	1187	break;
Vanger	0:b86d15c6ba29	1188	}
Vanger	0:b86d15c6ba29	1189
Vanger	0:b86d15c6ba29	1190	s0 =
Vanger	0:b86d15c6ba29	1191	Td[0][GETBYTE(t0, 3)] ^
Vanger	0:b86d15c6ba29	1192	Td[1][GETBYTE(t3, 2)] ^
Vanger	0:b86d15c6ba29	1193	Td[2][GETBYTE(t2, 1)] ^
Vanger	0:b86d15c6ba29	1194	Td[3][GETBYTE(t1, 0)] ^
Vanger	0:b86d15c6ba29	1195	rk[0];
Vanger	0:b86d15c6ba29	1196	s1 =
Vanger	0:b86d15c6ba29	1197	Td[0][GETBYTE(t1, 3)] ^
Vanger	0:b86d15c6ba29	1198	Td[1][GETBYTE(t0, 2)] ^
Vanger	0:b86d15c6ba29	1199	Td[2][GETBYTE(t3, 1)] ^
Vanger	0:b86d15c6ba29	1200	Td[3][GETBYTE(t2, 0)] ^
Vanger	0:b86d15c6ba29	1201	rk[1];
Vanger	0:b86d15c6ba29	1202	s2 =
Vanger	0:b86d15c6ba29	1203	Td[0][GETBYTE(t2, 3)] ^
Vanger	0:b86d15c6ba29	1204	Td[1][GETBYTE(t1, 2)] ^
Vanger	0:b86d15c6ba29	1205	Td[2][GETBYTE(t0, 1)] ^
Vanger	0:b86d15c6ba29	1206	Td[3][GETBYTE(t3, 0)] ^
Vanger	0:b86d15c6ba29	1207	rk[2];
Vanger	0:b86d15c6ba29	1208	s3 =
Vanger	0:b86d15c6ba29	1209	Td[0][GETBYTE(t3, 3)] ^
Vanger	0:b86d15c6ba29	1210	Td[1][GETBYTE(t2, 2)] ^
Vanger	0:b86d15c6ba29	1211	Td[2][GETBYTE(t1, 1)] ^
Vanger	0:b86d15c6ba29	1212	Td[3][GETBYTE(t0, 0)] ^
Vanger	0:b86d15c6ba29	1213	rk[3];
Vanger	0:b86d15c6ba29	1214	}
Vanger	0:b86d15c6ba29	1215	/*
Vanger	0:b86d15c6ba29	1216	* apply last round and
Vanger	0:b86d15c6ba29	1217	* map cipher state to byte array block:
Vanger	0:b86d15c6ba29	1218	*/
Vanger	0:b86d15c6ba29	1219	s0 =
Vanger	0:b86d15c6ba29	1220	(Td[4][GETBYTE(t0, 3)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1221	(Td[4][GETBYTE(t3, 2)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1222	(Td[4][GETBYTE(t2, 1)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1223	(Td[4][GETBYTE(t1, 0)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1224	rk[0];
Vanger	0:b86d15c6ba29	1225	s1 =
Vanger	0:b86d15c6ba29	1226	(Td[4][GETBYTE(t1, 3)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1227	(Td[4][GETBYTE(t0, 2)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1228	(Td[4][GETBYTE(t3, 1)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1229	(Td[4][GETBYTE(t2, 0)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1230	rk[1];
Vanger	0:b86d15c6ba29	1231	s2 =
Vanger	0:b86d15c6ba29	1232	(Td[4][GETBYTE(t2, 3)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1233	(Td[4][GETBYTE(t1, 2)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1234	(Td[4][GETBYTE(t0, 1)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1235	(Td[4][GETBYTE(t3, 0)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1236	rk[2];
Vanger	0:b86d15c6ba29	1237	s3 =
Vanger	0:b86d15c6ba29	1238	(Td[4][GETBYTE(t3, 3)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1239	(Td[4][GETBYTE(t2, 2)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1240	(Td[4][GETBYTE(t1, 1)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1241	(Td[4][GETBYTE(t0, 0)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1242	rk[3];
Vanger	0:b86d15c6ba29	1243
Vanger	0:b86d15c6ba29	1244	/* write out */
Vanger	0:b86d15c6ba29	1245	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	1246	s0 = ByteReverseWord32(s0);
Vanger	0:b86d15c6ba29	1247	s1 = ByteReverseWord32(s1);
Vanger	0:b86d15c6ba29	1248	s2 = ByteReverseWord32(s2);
Vanger	0:b86d15c6ba29	1249	s3 = ByteReverseWord32(s3);
Vanger	0:b86d15c6ba29	1250	#endif
Vanger	0:b86d15c6ba29	1251
Vanger	0:b86d15c6ba29	1252	XMEMCPY(outBlock, &s0, sizeof(s0));
Vanger	0:b86d15c6ba29	1253	XMEMCPY(outBlock + sizeof(s0), &s1, sizeof(s1));
Vanger	0:b86d15c6ba29	1254	XMEMCPY(outBlock + 2 * sizeof(s0), &s2, sizeof(s2));
Vanger	0:b86d15c6ba29	1255	XMEMCPY(outBlock + 3 * sizeof(s0), &s3, sizeof(s3));
Vanger	0:b86d15c6ba29	1256	}
Vanger	0:b86d15c6ba29	1257
Vanger	0:b86d15c6ba29	1258	#endif /* NEED_AES_TABLES */
Vanger	0:b86d15c6ba29	1259
Vanger	0:b86d15c6ba29	1260
Vanger	0:b86d15c6ba29	1261	/* AesSetKey */
Vanger	0:b86d15c6ba29	1262	#ifdef STM32F2_CRYPTO
Vanger	0:b86d15c6ba29	1263	int AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
Vanger	0:b86d15c6ba29	1264	int dir)
Vanger	0:b86d15c6ba29	1265	{
Vanger	0:b86d15c6ba29	1266	word32 *rk = aes->key;
Vanger	0:b86d15c6ba29	1267
Vanger	0:b86d15c6ba29	1268	if (!((keylen == 16) \|\| (keylen == 24) \|\| (keylen == 32)))
Vanger	0:b86d15c6ba29	1269	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	1270
Vanger	0:b86d15c6ba29	1271	aes->rounds = keylen/4 + 6;
Vanger	0:b86d15c6ba29	1272	XMEMCPY(rk, userKey, keylen);
Vanger	0:b86d15c6ba29	1273	ByteReverseWords(rk, rk, keylen);
Vanger	0:b86d15c6ba29	1274
Vanger	0:b86d15c6ba29	1275	return AesSetIV(aes, iv);
Vanger	0:b86d15c6ba29	1276	}
Vanger	0:b86d15c6ba29	1277
Vanger	0:b86d15c6ba29	1278	int AesSetKeyDirect(Aes* aes, const byte* userKey, word32 keylen,
Vanger	0:b86d15c6ba29	1279	const byte* iv, int dir)
Vanger	0:b86d15c6ba29	1280	{
Vanger	0:b86d15c6ba29	1281	return AesSetKey(aes, userKey, keylen, iv, dir);
Vanger	0:b86d15c6ba29	1282	}
Vanger	0:b86d15c6ba29	1283
Vanger	0:b86d15c6ba29	1284	#elif defined(HAVE_COLDFIRE_SEC)
Vanger	0:b86d15c6ba29	1285	#if defined (HAVE_THREADX)
Vanger	0:b86d15c6ba29	1286	#include "memory_pools.h"
Vanger	0:b86d15c6ba29	1287	extern TX_BYTE_POOL mp_ncached; /* Non Cached memory pool */
Vanger	0:b86d15c6ba29	1288	#endif
Vanger	0:b86d15c6ba29	1289
Vanger	0:b86d15c6ba29	1290	#define AES_BUFFER_SIZE (AES_BLOCK_SIZE * 64)
Vanger	0:b86d15c6ba29	1291	static unsigned char *AESBuffIn = NULL;
Vanger	0:b86d15c6ba29	1292	static unsigned char *AESBuffOut = NULL;
Vanger	0:b86d15c6ba29	1293	static byte *secReg;
Vanger	0:b86d15c6ba29	1294	static byte *secKey;
Vanger	0:b86d15c6ba29	1295	static volatile SECdescriptorType *secDesc;
Vanger	0:b86d15c6ba29	1296
Vanger	0:b86d15c6ba29	1297	static CyaSSL_Mutex Mutex_AesSEC;
Vanger	0:b86d15c6ba29	1298
Vanger	0:b86d15c6ba29	1299	#define SEC_DESC_AES_CBC_ENCRYPT 0x60300010
Vanger	0:b86d15c6ba29	1300	#define SEC_DESC_AES_CBC_DECRYPT 0x60200010
Vanger	0:b86d15c6ba29	1301
Vanger	0:b86d15c6ba29	1302	extern volatile unsigned char __MBAR[];
Vanger	0:b86d15c6ba29	1303
Vanger	0:b86d15c6ba29	1304	int AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
Vanger	0:b86d15c6ba29	1305	int dir)
Vanger	0:b86d15c6ba29	1306	{
Vanger	0:b86d15c6ba29	1307	if (AESBuffIn == NULL) {
Vanger	0:b86d15c6ba29	1308	#if defined (HAVE_THREADX)
Vanger	0:b86d15c6ba29	1309	int s1, s2, s3, s4, s5 ;
Vanger	0:b86d15c6ba29	1310	s5 = tx_byte_allocate(&mp_ncached,(void *)&secDesc,
Vanger	0:b86d15c6ba29	1311	sizeof(SECdescriptorType), TX_NO_WAIT);
Vanger	0:b86d15c6ba29	1312	s1 = tx_byte_allocate(&mp_ncached, (void *)&AESBuffIn,
Vanger	0:b86d15c6ba29	1313	AES_BUFFER_SIZE, TX_NO_WAIT);
Vanger	0:b86d15c6ba29	1314	s2 = tx_byte_allocate(&mp_ncached, (void *)&AESBuffOut,
Vanger	0:b86d15c6ba29	1315	AES_BUFFER_SIZE, TX_NO_WAIT);
Vanger	0:b86d15c6ba29	1316	s3 = tx_byte_allocate(&mp_ncached, (void *)&secKey,
Vanger	0:b86d15c6ba29	1317	AES_BLOCK_SIZE*2, TX_NO_WAIT);
Vanger	0:b86d15c6ba29	1318	s4 = tx_byte_allocate(&mp_ncached, (void *)&secReg,
Vanger	0:b86d15c6ba29	1319	AES_BLOCK_SIZE, TX_NO_WAIT);
Vanger	0:b86d15c6ba29	1320
Vanger	0:b86d15c6ba29	1321	if(s1 \|\| s2 \|\| s3 \|\| s4 \|\| s5)
Vanger	0:b86d15c6ba29	1322	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	1323	#else
Vanger	0:b86d15c6ba29	1324	#warning "Allocate non-Cache buffers"
Vanger	0:b86d15c6ba29	1325	#endif
Vanger	0:b86d15c6ba29	1326
Vanger	0:b86d15c6ba29	1327	InitMutex(&Mutex_AesSEC);
Vanger	0:b86d15c6ba29	1328	}
Vanger	0:b86d15c6ba29	1329
Vanger	0:b86d15c6ba29	1330	if (!((keylen == 16) \|\| (keylen == 24) \|\| (keylen == 32)))
Vanger	0:b86d15c6ba29	1331	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	1332
Vanger	0:b86d15c6ba29	1333	if (aes == NULL)
Vanger	0:b86d15c6ba29	1334	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	1335
Vanger	0:b86d15c6ba29	1336	aes->rounds = keylen/4 + 6;
Vanger	0:b86d15c6ba29	1337	XMEMCPY(aes->key, userKey, keylen);
Vanger	0:b86d15c6ba29	1338
Vanger	0:b86d15c6ba29	1339	if (iv)
Vanger	0:b86d15c6ba29	1340	XMEMCPY(aes->reg, iv, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1341
Vanger	0:b86d15c6ba29	1342	return 0;
Vanger	0:b86d15c6ba29	1343	}
Vanger	0:b86d15c6ba29	1344	#elif defined(FREESCALE_MMCAU)
Vanger	0:b86d15c6ba29	1345	int AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
Vanger	0:b86d15c6ba29	1346	int dir)
Vanger	0:b86d15c6ba29	1347	{
Vanger	0:b86d15c6ba29	1348	byte rk = (byte)aes->key;
Vanger	0:b86d15c6ba29	1349
Vanger	0:b86d15c6ba29	1350	if (!((keylen == 16) \|\| (keylen == 24) \|\| (keylen == 32)))
Vanger	0:b86d15c6ba29	1351	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	1352
Vanger	0:b86d15c6ba29	1353	if (rk == NULL)
Vanger	0:b86d15c6ba29	1354	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	1355
Vanger	0:b86d15c6ba29	1356	aes->rounds = keylen/4 + 6;
Vanger	0:b86d15c6ba29	1357	cau_aes_set_key(userKey, keylen*8, rk);
Vanger	0:b86d15c6ba29	1358
Vanger	0:b86d15c6ba29	1359	return AesSetIV(aes, iv);
Vanger	0:b86d15c6ba29	1360	}
Vanger	0:b86d15c6ba29	1361
Vanger	0:b86d15c6ba29	1362	int AesSetKeyDirect(Aes* aes, const byte* userKey, word32 keylen,
Vanger	0:b86d15c6ba29	1363	const byte* iv, int dir)
Vanger	0:b86d15c6ba29	1364	{
Vanger	0:b86d15c6ba29	1365	return AesSetKey(aes, userKey, keylen, iv, dir);
Vanger	0:b86d15c6ba29	1366	}
Vanger	0:b86d15c6ba29	1367	#else
Vanger	0:b86d15c6ba29	1368	static int AesSetKeyLocal(Aes* aes, const byte* userKey, word32 keylen,
Vanger	0:b86d15c6ba29	1369	const byte* iv, int dir)
Vanger	0:b86d15c6ba29	1370	{
Vanger	0:b86d15c6ba29	1371	word32 temp, *rk = aes->key;
Vanger	0:b86d15c6ba29	1372	unsigned int i = 0;
Vanger	0:b86d15c6ba29	1373
Vanger	0:b86d15c6ba29	1374	#ifdef CYASSL_AESNI
Vanger	0:b86d15c6ba29	1375	aes->use_aesni = 0;
Vanger	0:b86d15c6ba29	1376	#endif /* CYASSL_AESNI */
Vanger	0:b86d15c6ba29	1377	#ifdef CYASSL_AES_COUNTER
Vanger	0:b86d15c6ba29	1378	aes->left = 0;
Vanger	0:b86d15c6ba29	1379	#endif /* CYASSL_AES_COUNTER */
Vanger	0:b86d15c6ba29	1380
Vanger	0:b86d15c6ba29	1381	aes->rounds = keylen/4 + 6;
Vanger	0:b86d15c6ba29	1382
Vanger	0:b86d15c6ba29	1383	XMEMCPY(rk, userKey, keylen);
Vanger	0:b86d15c6ba29	1384	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	1385	ByteReverseWords(rk, rk, keylen);
Vanger	0:b86d15c6ba29	1386	#endif
Vanger	0:b86d15c6ba29	1387
Vanger	0:b86d15c6ba29	1388	#ifdef CYASSL_PIC32MZ_CRYPT
Vanger	0:b86d15c6ba29	1389	{
Vanger	0:b86d15c6ba29	1390	word32 *akey1 = aes->key_ce;
Vanger	0:b86d15c6ba29	1391	word32 *areg = aes->iv_ce ;
Vanger	0:b86d15c6ba29	1392	aes->keylen = keylen ;
Vanger	0:b86d15c6ba29	1393	XMEMCPY(akey1, userKey, keylen);
Vanger	0:b86d15c6ba29	1394	if (iv)
Vanger	0:b86d15c6ba29	1395	XMEMCPY(areg, iv, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1396	else
Vanger	0:b86d15c6ba29	1397	XMEMSET(areg, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1398	}
Vanger	0:b86d15c6ba29	1399	#endif
Vanger	0:b86d15c6ba29	1400
Vanger	0:b86d15c6ba29	1401	switch(keylen)
Vanger	0:b86d15c6ba29	1402	{
Vanger	0:b86d15c6ba29	1403	case 16:
Vanger	0:b86d15c6ba29	1404	while (1)
Vanger	0:b86d15c6ba29	1405	{
Vanger	0:b86d15c6ba29	1406	temp = rk[3];
Vanger	0:b86d15c6ba29	1407	rk[4] = rk[0] ^
Vanger	0:b86d15c6ba29	1408	(Te[4][GETBYTE(temp, 2)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1409	(Te[4][GETBYTE(temp, 1)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1410	(Te[4][GETBYTE(temp, 0)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1411	(Te[4][GETBYTE(temp, 3)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1412	rcon[i];
Vanger	0:b86d15c6ba29	1413	rk[5] = rk[1] ^ rk[4];
Vanger	0:b86d15c6ba29	1414	rk[6] = rk[2] ^ rk[5];
Vanger	0:b86d15c6ba29	1415	rk[7] = rk[3] ^ rk[6];
Vanger	0:b86d15c6ba29	1416	if (++i == 10)
Vanger	0:b86d15c6ba29	1417	break;
Vanger	0:b86d15c6ba29	1418	rk += 4;
Vanger	0:b86d15c6ba29	1419	}
Vanger	0:b86d15c6ba29	1420	break;
Vanger	0:b86d15c6ba29	1421
Vanger	0:b86d15c6ba29	1422	case 24:
Vanger	0:b86d15c6ba29	1423	/* for (;;) here triggers a bug in VC60 SP4 w/ Pro Pack */
Vanger	0:b86d15c6ba29	1424	while (1)
Vanger	0:b86d15c6ba29	1425	{
Vanger	0:b86d15c6ba29	1426	temp = rk[ 5];
Vanger	0:b86d15c6ba29	1427	rk[ 6] = rk[ 0] ^
Vanger	0:b86d15c6ba29	1428	(Te[4][GETBYTE(temp, 2)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1429	(Te[4][GETBYTE(temp, 1)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1430	(Te[4][GETBYTE(temp, 0)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1431	(Te[4][GETBYTE(temp, 3)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1432	rcon[i];
Vanger	0:b86d15c6ba29	1433	rk[ 7] = rk[ 1] ^ rk[ 6];
Vanger	0:b86d15c6ba29	1434	rk[ 8] = rk[ 2] ^ rk[ 7];
Vanger	0:b86d15c6ba29	1435	rk[ 9] = rk[ 3] ^ rk[ 8];
Vanger	0:b86d15c6ba29	1436	if (++i == 8)
Vanger	0:b86d15c6ba29	1437	break;
Vanger	0:b86d15c6ba29	1438	rk[10] = rk[ 4] ^ rk[ 9];
Vanger	0:b86d15c6ba29	1439	rk[11] = rk[ 5] ^ rk[10];
Vanger	0:b86d15c6ba29	1440	rk += 6;
Vanger	0:b86d15c6ba29	1441	}
Vanger	0:b86d15c6ba29	1442	break;
Vanger	0:b86d15c6ba29	1443
Vanger	0:b86d15c6ba29	1444	case 32:
Vanger	0:b86d15c6ba29	1445	while (1)
Vanger	0:b86d15c6ba29	1446	{
Vanger	0:b86d15c6ba29	1447	temp = rk[ 7];
Vanger	0:b86d15c6ba29	1448	rk[ 8] = rk[ 0] ^
Vanger	0:b86d15c6ba29	1449	(Te[4][GETBYTE(temp, 2)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1450	(Te[4][GETBYTE(temp, 1)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1451	(Te[4][GETBYTE(temp, 0)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1452	(Te[4][GETBYTE(temp, 3)] & 0x000000ff) ^
Vanger	0:b86d15c6ba29	1453	rcon[i];
Vanger	0:b86d15c6ba29	1454	rk[ 9] = rk[ 1] ^ rk[ 8];
Vanger	0:b86d15c6ba29	1455	rk[10] = rk[ 2] ^ rk[ 9];
Vanger	0:b86d15c6ba29	1456	rk[11] = rk[ 3] ^ rk[10];
Vanger	0:b86d15c6ba29	1457	if (++i == 7)
Vanger	0:b86d15c6ba29	1458	break;
Vanger	0:b86d15c6ba29	1459	temp = rk[11];
Vanger	0:b86d15c6ba29	1460	rk[12] = rk[ 4] ^
Vanger	0:b86d15c6ba29	1461	(Te[4][GETBYTE(temp, 3)] & 0xff000000) ^
Vanger	0:b86d15c6ba29	1462	(Te[4][GETBYTE(temp, 2)] & 0x00ff0000) ^
Vanger	0:b86d15c6ba29	1463	(Te[4][GETBYTE(temp, 1)] & 0x0000ff00) ^
Vanger	0:b86d15c6ba29	1464	(Te[4][GETBYTE(temp, 0)] & 0x000000ff);
Vanger	0:b86d15c6ba29	1465	rk[13] = rk[ 5] ^ rk[12];
Vanger	0:b86d15c6ba29	1466	rk[14] = rk[ 6] ^ rk[13];
Vanger	0:b86d15c6ba29	1467	rk[15] = rk[ 7] ^ rk[14];
Vanger	0:b86d15c6ba29	1468
Vanger	0:b86d15c6ba29	1469	rk += 8;
Vanger	0:b86d15c6ba29	1470	}
Vanger	0:b86d15c6ba29	1471	break;
Vanger	0:b86d15c6ba29	1472
Vanger	0:b86d15c6ba29	1473	default:
Vanger	0:b86d15c6ba29	1474	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	1475	}
Vanger	0:b86d15c6ba29	1476
Vanger	0:b86d15c6ba29	1477	if (dir == AES_DECRYPTION)
Vanger	0:b86d15c6ba29	1478	{
Vanger	0:b86d15c6ba29	1479	unsigned int j;
Vanger	0:b86d15c6ba29	1480	rk = aes->key;
Vanger	0:b86d15c6ba29	1481
Vanger	0:b86d15c6ba29	1482	/* invert the order of the round keys: */
Vanger	0:b86d15c6ba29	1483	for (i = 0, j = 4* aes->rounds; i < j; i += 4, j -= 4) {
Vanger	0:b86d15c6ba29	1484	temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
Vanger	0:b86d15c6ba29	1485	temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
Vanger	0:b86d15c6ba29	1486	temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
Vanger	0:b86d15c6ba29	1487	temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
Vanger	0:b86d15c6ba29	1488	}
Vanger	0:b86d15c6ba29	1489	/* apply the inverse MixColumn transform to all round keys but the
Vanger	0:b86d15c6ba29	1490	first and the last: */
Vanger	0:b86d15c6ba29	1491	for (i = 1; i < aes->rounds; i++) {
Vanger	0:b86d15c6ba29	1492	rk += 4;
Vanger	0:b86d15c6ba29	1493	rk[0] =
Vanger	0:b86d15c6ba29	1494	Td[0][Te[4][GETBYTE(rk[0], 3)] & 0xff] ^
Vanger	0:b86d15c6ba29	1495	Td[1][Te[4][GETBYTE(rk[0], 2)] & 0xff] ^
Vanger	0:b86d15c6ba29	1496	Td[2][Te[4][GETBYTE(rk[0], 1)] & 0xff] ^
Vanger	0:b86d15c6ba29	1497	Td[3][Te[4][GETBYTE(rk[0], 0)] & 0xff];
Vanger	0:b86d15c6ba29	1498	rk[1] =
Vanger	0:b86d15c6ba29	1499	Td[0][Te[4][GETBYTE(rk[1], 3)] & 0xff] ^
Vanger	0:b86d15c6ba29	1500	Td[1][Te[4][GETBYTE(rk[1], 2)] & 0xff] ^
Vanger	0:b86d15c6ba29	1501	Td[2][Te[4][GETBYTE(rk[1], 1)] & 0xff] ^
Vanger	0:b86d15c6ba29	1502	Td[3][Te[4][GETBYTE(rk[1], 0)] & 0xff];
Vanger	0:b86d15c6ba29	1503	rk[2] =
Vanger	0:b86d15c6ba29	1504	Td[0][Te[4][GETBYTE(rk[2], 3)] & 0xff] ^
Vanger	0:b86d15c6ba29	1505	Td[1][Te[4][GETBYTE(rk[2], 2)] & 0xff] ^
Vanger	0:b86d15c6ba29	1506	Td[2][Te[4][GETBYTE(rk[2], 1)] & 0xff] ^
Vanger	0:b86d15c6ba29	1507	Td[3][Te[4][GETBYTE(rk[2], 0)] & 0xff];
Vanger	0:b86d15c6ba29	1508	rk[3] =
Vanger	0:b86d15c6ba29	1509	Td[0][Te[4][GETBYTE(rk[3], 3)] & 0xff] ^
Vanger	0:b86d15c6ba29	1510	Td[1][Te[4][GETBYTE(rk[3], 2)] & 0xff] ^
Vanger	0:b86d15c6ba29	1511	Td[2][Te[4][GETBYTE(rk[3], 1)] & 0xff] ^
Vanger	0:b86d15c6ba29	1512	Td[3][Te[4][GETBYTE(rk[3], 0)] & 0xff];
Vanger	0:b86d15c6ba29	1513	}
Vanger	0:b86d15c6ba29	1514	}
Vanger	0:b86d15c6ba29	1515
Vanger	0:b86d15c6ba29	1516	return AesSetIV(aes, iv);
Vanger	0:b86d15c6ba29	1517	}
Vanger	0:b86d15c6ba29	1518
Vanger	0:b86d15c6ba29	1519	int AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
Vanger	0:b86d15c6ba29	1520	int dir)
Vanger	0:b86d15c6ba29	1521	{
Vanger	0:b86d15c6ba29	1522
Vanger	0:b86d15c6ba29	1523	if (!((keylen == 16) \|\| (keylen == 24) \|\| (keylen == 32)))
Vanger	0:b86d15c6ba29	1524	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	1525
Vanger	0:b86d15c6ba29	1526	#ifdef HAVE_CAVIUM
Vanger	0:b86d15c6ba29	1527	if (aes->magic == CYASSL_AES_CAVIUM_MAGIC)
Vanger	0:b86d15c6ba29	1528	return AesCaviumSetKey(aes, userKey, keylen, iv);
Vanger	0:b86d15c6ba29	1529	#endif
Vanger	0:b86d15c6ba29	1530
Vanger	0:b86d15c6ba29	1531	#ifdef CYASSL_AESNI
Vanger	0:b86d15c6ba29	1532	if (checkAESNI == 0) {
Vanger	0:b86d15c6ba29	1533	haveAESNI = Check_CPU_support_AES();
Vanger	0:b86d15c6ba29	1534	checkAESNI = 1;
Vanger	0:b86d15c6ba29	1535	}
Vanger	0:b86d15c6ba29	1536	if (haveAESNI) {
Vanger	0:b86d15c6ba29	1537	aes->use_aesni = 1;
Vanger	0:b86d15c6ba29	1538	if (iv)
Vanger	0:b86d15c6ba29	1539	XMEMCPY(aes->reg, iv, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1540	if (dir == AES_ENCRYPTION)
Vanger	0:b86d15c6ba29	1541	return AES_set_encrypt_key(userKey, keylen * 8, aes);
Vanger	0:b86d15c6ba29	1542	else
Vanger	0:b86d15c6ba29	1543	return AES_set_decrypt_key(userKey, keylen * 8, aes);
Vanger	0:b86d15c6ba29	1544	}
Vanger	0:b86d15c6ba29	1545	#endif /* CYASSL_AESNI */
Vanger	0:b86d15c6ba29	1546
Vanger	0:b86d15c6ba29	1547	return AesSetKeyLocal(aes, userKey, keylen, iv, dir);
Vanger	0:b86d15c6ba29	1548	}
Vanger	0:b86d15c6ba29	1549
Vanger	0:b86d15c6ba29	1550	#if defined(CYASSL_AES_DIRECT) \|\| defined(CYASSL_AES_COUNTER)
Vanger	0:b86d15c6ba29	1551
Vanger	0:b86d15c6ba29	1552	/* AES-CTR and AES-DIRECT need to use this for key setup, no aesni yet */
Vanger	0:b86d15c6ba29	1553	int AesSetKeyDirect(Aes* aes, const byte* userKey, word32 keylen,
Vanger	0:b86d15c6ba29	1554	const byte* iv, int dir)
Vanger	0:b86d15c6ba29	1555	{
Vanger	0:b86d15c6ba29	1556	return AesSetKeyLocal(aes, userKey, keylen, iv, dir);
Vanger	0:b86d15c6ba29	1557	}
Vanger	0:b86d15c6ba29	1558
Vanger	0:b86d15c6ba29	1559	#endif /* CYASSL_AES_DIRECT \|\| CYASSL_AES_COUNTER */
Vanger	0:b86d15c6ba29	1560	#endif /* STM32F2_CRYPTO, AesSetKey block */
Vanger	0:b86d15c6ba29	1561
Vanger	0:b86d15c6ba29	1562
Vanger	0:b86d15c6ba29	1563	/* AesSetIV is shared between software and hardware */
Vanger	0:b86d15c6ba29	1564	int AesSetIV(Aes* aes, const byte* iv)
Vanger	0:b86d15c6ba29	1565	{
Vanger	0:b86d15c6ba29	1566	if (aes == NULL)
Vanger	0:b86d15c6ba29	1567	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	1568
Vanger	0:b86d15c6ba29	1569	if (iv)
Vanger	0:b86d15c6ba29	1570	XMEMCPY(aes->reg, iv, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1571	else
Vanger	0:b86d15c6ba29	1572	XMEMSET(aes->reg, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1573
Vanger	0:b86d15c6ba29	1574	return 0;
Vanger	0:b86d15c6ba29	1575	}
Vanger	0:b86d15c6ba29	1576
Vanger	0:b86d15c6ba29	1577
Vanger	0:b86d15c6ba29	1578	int AesCbcDecryptWithKey(byte* out, const byte* in, word32 inSz,
Vanger	0:b86d15c6ba29	1579	const byte* key, word32 keySz, const byte* iv)
Vanger	0:b86d15c6ba29	1580	{
Vanger	0:b86d15c6ba29	1581	int ret = 0;
Vanger	0:b86d15c6ba29	1582	#ifdef CYASSL_SMALL_STACK
Vanger	0:b86d15c6ba29	1583	Aes* aes = NULL;
Vanger	0:b86d15c6ba29	1584	#else
Vanger	0:b86d15c6ba29	1585	Aes aes[1];
Vanger	0:b86d15c6ba29	1586	#endif
Vanger	0:b86d15c6ba29	1587
Vanger	0:b86d15c6ba29	1588	#ifdef CYASSL_SMALL_STACK
Vanger	0:b86d15c6ba29	1589	aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER);
Vanger	0:b86d15c6ba29	1590	if (aes == NULL)
Vanger	0:b86d15c6ba29	1591	return MEMORY_E;
Vanger	0:b86d15c6ba29	1592	#endif
Vanger	0:b86d15c6ba29	1593
Vanger	0:b86d15c6ba29	1594	ret = AesSetKey(aes, key, keySz, iv, AES_DECRYPTION);
Vanger	0:b86d15c6ba29	1595	if (ret == 0)
Vanger	0:b86d15c6ba29	1596	ret = AesCbcDecrypt(aes, out, in, inSz);
Vanger	0:b86d15c6ba29	1597
Vanger	0:b86d15c6ba29	1598	#ifdef CYASSL_SMALL_STACK
Vanger	0:b86d15c6ba29	1599	XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER);
Vanger	0:b86d15c6ba29	1600	#endif
Vanger	0:b86d15c6ba29	1601
Vanger	0:b86d15c6ba29	1602	return ret;
Vanger	0:b86d15c6ba29	1603	}
Vanger	0:b86d15c6ba29	1604
Vanger	0:b86d15c6ba29	1605
Vanger	0:b86d15c6ba29	1606	/* AES-DIRECT */
Vanger	0:b86d15c6ba29	1607	#if defined(CYASSL_AES_DIRECT)
Vanger	0:b86d15c6ba29	1608	#if defined(FREESCALE_MMCAU)
Vanger	0:b86d15c6ba29	1609
Vanger	0:b86d15c6ba29	1610	/* Allow direct access to one block encrypt */
Vanger	0:b86d15c6ba29	1611	void AesEncryptDirect(Aes* aes, byte* out, const byte* in)
Vanger	0:b86d15c6ba29	1612	{
Vanger	0:b86d15c6ba29	1613	byte* key;
Vanger	0:b86d15c6ba29	1614	key = (byte*)aes->key;
Vanger	0:b86d15c6ba29	1615
Vanger	0:b86d15c6ba29	1616	return cau_aes_encrypt(in, key, aes->rounds, out);
Vanger	0:b86d15c6ba29	1617	}
Vanger	0:b86d15c6ba29	1618
Vanger	0:b86d15c6ba29	1619	/* Allow direct access to one block decrypt */
Vanger	0:b86d15c6ba29	1620	void AesDecryptDirect(Aes* aes, byte* out, const byte* in)
Vanger	0:b86d15c6ba29	1621	{
Vanger	0:b86d15c6ba29	1622	byte* key;
Vanger	0:b86d15c6ba29	1623	key = (byte*)aes->key;
Vanger	0:b86d15c6ba29	1624
Vanger	0:b86d15c6ba29	1625	return cau_aes_decrypt(in, key, aes->rounds, out);
Vanger	0:b86d15c6ba29	1626	}
Vanger	0:b86d15c6ba29	1627
Vanger	0:b86d15c6ba29	1628	#elif defined(STM32F2_CRYPTO)
Vanger	0:b86d15c6ba29	1629	#error "STM32F2 crypto doesn't yet support AES direct"
Vanger	0:b86d15c6ba29	1630
Vanger	0:b86d15c6ba29	1631	#elif defined(HAVE_COLDFIRE_SEC)
Vanger	0:b86d15c6ba29	1632	#error "Coldfire SEC doesn't yet support AES direct"
Vanger	0:b86d15c6ba29	1633
Vanger	0:b86d15c6ba29	1634	#elif defined(CYASSL_PIC32MZ_CRYPT)
Vanger	0:b86d15c6ba29	1635	#error "PIC32MZ doesn't yet support AES direct"
Vanger	0:b86d15c6ba29	1636
Vanger	0:b86d15c6ba29	1637	#else
Vanger	0:b86d15c6ba29	1638	/* Allow direct access to one block encrypt */
Vanger	0:b86d15c6ba29	1639	void AesEncryptDirect(Aes* aes, byte* out, const byte* in)
Vanger	0:b86d15c6ba29	1640	{
Vanger	0:b86d15c6ba29	1641	return AesEncrypt(aes, in, out);
Vanger	0:b86d15c6ba29	1642	}
Vanger	0:b86d15c6ba29	1643
Vanger	0:b86d15c6ba29	1644	/* Allow direct access to one block decrypt */
Vanger	0:b86d15c6ba29	1645	void AesDecryptDirect(Aes* aes, byte* out, const byte* in)
Vanger	0:b86d15c6ba29	1646	{
Vanger	0:b86d15c6ba29	1647	return AesDecrypt(aes, in, out);
Vanger	0:b86d15c6ba29	1648	}
Vanger	0:b86d15c6ba29	1649
Vanger	0:b86d15c6ba29	1650	#endif /* FREESCALE_MMCAU, AES direct block */
Vanger	0:b86d15c6ba29	1651	#endif /* CYASSL_AES_DIRECT */
Vanger	0:b86d15c6ba29	1652
Vanger	0:b86d15c6ba29	1653
Vanger	0:b86d15c6ba29	1654	/* AES-CBC */
Vanger	0:b86d15c6ba29	1655	#ifdef STM32F2_CRYPTO
Vanger	0:b86d15c6ba29	1656	int AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	1657	{
Vanger	0:b86d15c6ba29	1658	word32 enc_key, iv;
Vanger	0:b86d15c6ba29	1659	CRYP_InitTypeDef AES_CRYP_InitStructure;
Vanger	0:b86d15c6ba29	1660	CRYP_KeyInitTypeDef AES_CRYP_KeyInitStructure;
Vanger	0:b86d15c6ba29	1661	CRYP_IVInitTypeDef AES_CRYP_IVInitStructure;
Vanger	0:b86d15c6ba29	1662
Vanger	0:b86d15c6ba29	1663	enc_key = aes->key;
Vanger	0:b86d15c6ba29	1664	iv = aes->reg;
Vanger	0:b86d15c6ba29	1665
Vanger	0:b86d15c6ba29	1666	/* crypto structure initialization */
Vanger	0:b86d15c6ba29	1667	CRYP_KeyStructInit(&AES_CRYP_KeyInitStructure);
Vanger	0:b86d15c6ba29	1668	CRYP_StructInit(&AES_CRYP_InitStructure);
Vanger	0:b86d15c6ba29	1669	CRYP_IVStructInit(&AES_CRYP_IVInitStructure);
Vanger	0:b86d15c6ba29	1670
Vanger	0:b86d15c6ba29	1671	/* reset registers to their default values */
Vanger	0:b86d15c6ba29	1672	CRYP_DeInit();
Vanger	0:b86d15c6ba29	1673
Vanger	0:b86d15c6ba29	1674	/* load key into correct registers */
Vanger	0:b86d15c6ba29	1675	switch(aes->rounds)
Vanger	0:b86d15c6ba29	1676	{
Vanger	0:b86d15c6ba29	1677	case 10: /* 128-bit key */
Vanger	0:b86d15c6ba29	1678	AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_128b;
Vanger	0:b86d15c6ba29	1679	AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[0];
Vanger	0:b86d15c6ba29	1680	AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[1];
Vanger	0:b86d15c6ba29	1681	AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[2];
Vanger	0:b86d15c6ba29	1682	AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[3];
Vanger	0:b86d15c6ba29	1683	break;
Vanger	0:b86d15c6ba29	1684
Vanger	0:b86d15c6ba29	1685	case 12: /* 192-bit key */
Vanger	0:b86d15c6ba29	1686	AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_192b;
Vanger	0:b86d15c6ba29	1687	AES_CRYP_KeyInitStructure.CRYP_Key1Left = enc_key[0];
Vanger	0:b86d15c6ba29	1688	AES_CRYP_KeyInitStructure.CRYP_Key1Right = enc_key[1];
Vanger	0:b86d15c6ba29	1689	AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[2];
Vanger	0:b86d15c6ba29	1690	AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[3];
Vanger	0:b86d15c6ba29	1691	AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[4];
Vanger	0:b86d15c6ba29	1692	AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[5];
Vanger	0:b86d15c6ba29	1693	break;
Vanger	0:b86d15c6ba29	1694
Vanger	0:b86d15c6ba29	1695	case 14: /* 256-bit key */
Vanger	0:b86d15c6ba29	1696	AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_256b;
Vanger	0:b86d15c6ba29	1697	AES_CRYP_KeyInitStructure.CRYP_Key0Left = enc_key[0];
Vanger	0:b86d15c6ba29	1698	AES_CRYP_KeyInitStructure.CRYP_Key0Right = enc_key[1];
Vanger	0:b86d15c6ba29	1699	AES_CRYP_KeyInitStructure.CRYP_Key1Left = enc_key[2];
Vanger	0:b86d15c6ba29	1700	AES_CRYP_KeyInitStructure.CRYP_Key1Right = enc_key[3];
Vanger	0:b86d15c6ba29	1701	AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[4];
Vanger	0:b86d15c6ba29	1702	AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[5];
Vanger	0:b86d15c6ba29	1703	AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[6];
Vanger	0:b86d15c6ba29	1704	AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[7];
Vanger	0:b86d15c6ba29	1705	break;
Vanger	0:b86d15c6ba29	1706
Vanger	0:b86d15c6ba29	1707	default:
Vanger	0:b86d15c6ba29	1708	break;
Vanger	0:b86d15c6ba29	1709	}
Vanger	0:b86d15c6ba29	1710	CRYP_KeyInit(&AES_CRYP_KeyInitStructure);
Vanger	0:b86d15c6ba29	1711
Vanger	0:b86d15c6ba29	1712	/* set iv */
Vanger	0:b86d15c6ba29	1713	ByteReverseWords(iv, iv, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1714	AES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
Vanger	0:b86d15c6ba29	1715	AES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
Vanger	0:b86d15c6ba29	1716	AES_CRYP_IVInitStructure.CRYP_IV1Left = iv[2];
Vanger	0:b86d15c6ba29	1717	AES_CRYP_IVInitStructure.CRYP_IV1Right = iv[3];
Vanger	0:b86d15c6ba29	1718	CRYP_IVInit(&AES_CRYP_IVInitStructure);
Vanger	0:b86d15c6ba29	1719
Vanger	0:b86d15c6ba29	1720	/* set direction, mode, and datatype */
Vanger	0:b86d15c6ba29	1721	AES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
Vanger	0:b86d15c6ba29	1722	AES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_AES_CBC;
Vanger	0:b86d15c6ba29	1723	AES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
Vanger	0:b86d15c6ba29	1724	CRYP_Init(&AES_CRYP_InitStructure);
Vanger	0:b86d15c6ba29	1725
Vanger	0:b86d15c6ba29	1726	/* enable crypto processor */
Vanger	0:b86d15c6ba29	1727	CRYP_Cmd(ENABLE);
Vanger	0:b86d15c6ba29	1728
Vanger	0:b86d15c6ba29	1729	while (sz > 0)
Vanger	0:b86d15c6ba29	1730	{
Vanger	0:b86d15c6ba29	1731	/* flush IN/OUT FIFOs */
Vanger	0:b86d15c6ba29	1732	CRYP_FIFOFlush();
Vanger	0:b86d15c6ba29	1733
Vanger	0:b86d15c6ba29	1734	CRYP_DataIn((uint32_t)&in[0]);
Vanger	0:b86d15c6ba29	1735	CRYP_DataIn((uint32_t)&in[4]);
Vanger	0:b86d15c6ba29	1736	CRYP_DataIn((uint32_t)&in[8]);
Vanger	0:b86d15c6ba29	1737	CRYP_DataIn((uint32_t)&in[12]);
Vanger	0:b86d15c6ba29	1738
Vanger	0:b86d15c6ba29	1739	/* wait until the complete message has been processed */
Vanger	0:b86d15c6ba29	1740	while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
Vanger	0:b86d15c6ba29	1741
Vanger	0:b86d15c6ba29	1742	(uint32_t)&out[0] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	1743	(uint32_t)&out[4] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	1744	(uint32_t)&out[8] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	1745	(uint32_t)&out[12] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	1746
Vanger	0:b86d15c6ba29	1747	/* store iv for next call */
Vanger	0:b86d15c6ba29	1748	XMEMCPY(aes->reg, out + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1749
Vanger	0:b86d15c6ba29	1750	sz -= 16;
Vanger	0:b86d15c6ba29	1751	in += 16;
Vanger	0:b86d15c6ba29	1752	out += 16;
Vanger	0:b86d15c6ba29	1753	}
Vanger	0:b86d15c6ba29	1754
Vanger	0:b86d15c6ba29	1755	/* disable crypto processor */
Vanger	0:b86d15c6ba29	1756	CRYP_Cmd(DISABLE);
Vanger	0:b86d15c6ba29	1757
Vanger	0:b86d15c6ba29	1758	return 0;
Vanger	0:b86d15c6ba29	1759	}
Vanger	0:b86d15c6ba29	1760
Vanger	0:b86d15c6ba29	1761	int AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	1762	{
Vanger	0:b86d15c6ba29	1763	word32 dec_key, iv;
Vanger	0:b86d15c6ba29	1764	CRYP_InitTypeDef AES_CRYP_InitStructure;
Vanger	0:b86d15c6ba29	1765	CRYP_KeyInitTypeDef AES_CRYP_KeyInitStructure;
Vanger	0:b86d15c6ba29	1766	CRYP_IVInitTypeDef AES_CRYP_IVInitStructure;
Vanger	0:b86d15c6ba29	1767
Vanger	0:b86d15c6ba29	1768	dec_key = aes->key;
Vanger	0:b86d15c6ba29	1769	iv = aes->reg;
Vanger	0:b86d15c6ba29	1770
Vanger	0:b86d15c6ba29	1771	/* crypto structure initialization */
Vanger	0:b86d15c6ba29	1772	CRYP_KeyStructInit(&AES_CRYP_KeyInitStructure);
Vanger	0:b86d15c6ba29	1773	CRYP_StructInit(&AES_CRYP_InitStructure);
Vanger	0:b86d15c6ba29	1774	CRYP_IVStructInit(&AES_CRYP_IVInitStructure);
Vanger	0:b86d15c6ba29	1775
Vanger	0:b86d15c6ba29	1776	/* if input and output same will overwrite input iv */
Vanger	0:b86d15c6ba29	1777	XMEMCPY(aes->tmp, in + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1778
Vanger	0:b86d15c6ba29	1779	/* reset registers to their default values */
Vanger	0:b86d15c6ba29	1780	CRYP_DeInit();
Vanger	0:b86d15c6ba29	1781
Vanger	0:b86d15c6ba29	1782	/* load key into correct registers */
Vanger	0:b86d15c6ba29	1783	switch(aes->rounds)
Vanger	0:b86d15c6ba29	1784	{
Vanger	0:b86d15c6ba29	1785	case 10: /* 128-bit key */
Vanger	0:b86d15c6ba29	1786	AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_128b;
Vanger	0:b86d15c6ba29	1787	AES_CRYP_KeyInitStructure.CRYP_Key2Left = dec_key[0];
Vanger	0:b86d15c6ba29	1788	AES_CRYP_KeyInitStructure.CRYP_Key2Right = dec_key[1];
Vanger	0:b86d15c6ba29	1789	AES_CRYP_KeyInitStructure.CRYP_Key3Left = dec_key[2];
Vanger	0:b86d15c6ba29	1790	AES_CRYP_KeyInitStructure.CRYP_Key3Right = dec_key[3];
Vanger	0:b86d15c6ba29	1791	break;
Vanger	0:b86d15c6ba29	1792
Vanger	0:b86d15c6ba29	1793	case 12: /* 192-bit key */
Vanger	0:b86d15c6ba29	1794	AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_192b;
Vanger	0:b86d15c6ba29	1795	AES_CRYP_KeyInitStructure.CRYP_Key1Left = dec_key[0];
Vanger	0:b86d15c6ba29	1796	AES_CRYP_KeyInitStructure.CRYP_Key1Right = dec_key[1];
Vanger	0:b86d15c6ba29	1797	AES_CRYP_KeyInitStructure.CRYP_Key2Left = dec_key[2];
Vanger	0:b86d15c6ba29	1798	AES_CRYP_KeyInitStructure.CRYP_Key2Right = dec_key[3];
Vanger	0:b86d15c6ba29	1799	AES_CRYP_KeyInitStructure.CRYP_Key3Left = dec_key[4];
Vanger	0:b86d15c6ba29	1800	AES_CRYP_KeyInitStructure.CRYP_Key3Right = dec_key[5];
Vanger	0:b86d15c6ba29	1801	break;
Vanger	0:b86d15c6ba29	1802
Vanger	0:b86d15c6ba29	1803	case 14: /* 256-bit key */
Vanger	0:b86d15c6ba29	1804	AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_256b;
Vanger	0:b86d15c6ba29	1805	AES_CRYP_KeyInitStructure.CRYP_Key0Left = dec_key[0];
Vanger	0:b86d15c6ba29	1806	AES_CRYP_KeyInitStructure.CRYP_Key0Right = dec_key[1];
Vanger	0:b86d15c6ba29	1807	AES_CRYP_KeyInitStructure.CRYP_Key1Left = dec_key[2];
Vanger	0:b86d15c6ba29	1808	AES_CRYP_KeyInitStructure.CRYP_Key1Right = dec_key[3];
Vanger	0:b86d15c6ba29	1809	AES_CRYP_KeyInitStructure.CRYP_Key2Left = dec_key[4];
Vanger	0:b86d15c6ba29	1810	AES_CRYP_KeyInitStructure.CRYP_Key2Right = dec_key[5];
Vanger	0:b86d15c6ba29	1811	AES_CRYP_KeyInitStructure.CRYP_Key3Left = dec_key[6];
Vanger	0:b86d15c6ba29	1812	AES_CRYP_KeyInitStructure.CRYP_Key3Right = dec_key[7];
Vanger	0:b86d15c6ba29	1813	break;
Vanger	0:b86d15c6ba29	1814
Vanger	0:b86d15c6ba29	1815	default:
Vanger	0:b86d15c6ba29	1816	break;
Vanger	0:b86d15c6ba29	1817	}
Vanger	0:b86d15c6ba29	1818
Vanger	0:b86d15c6ba29	1819	/* set direction, mode, and datatype for key preparation */
Vanger	0:b86d15c6ba29	1820	AES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
Vanger	0:b86d15c6ba29	1821	AES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_AES_Key;
Vanger	0:b86d15c6ba29	1822	AES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_32b;
Vanger	0:b86d15c6ba29	1823	CRYP_Init(&AES_CRYP_InitStructure);
Vanger	0:b86d15c6ba29	1824	CRYP_KeyInit(&AES_CRYP_KeyInitStructure);
Vanger	0:b86d15c6ba29	1825
Vanger	0:b86d15c6ba29	1826	/* enable crypto processor */
Vanger	0:b86d15c6ba29	1827	CRYP_Cmd(ENABLE);
Vanger	0:b86d15c6ba29	1828
Vanger	0:b86d15c6ba29	1829	/* wait until key has been prepared */
Vanger	0:b86d15c6ba29	1830	while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
Vanger	0:b86d15c6ba29	1831
Vanger	0:b86d15c6ba29	1832	/* set direction, mode, and datatype for decryption */
Vanger	0:b86d15c6ba29	1833	AES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
Vanger	0:b86d15c6ba29	1834	AES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_AES_CBC;
Vanger	0:b86d15c6ba29	1835	AES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
Vanger	0:b86d15c6ba29	1836	CRYP_Init(&AES_CRYP_InitStructure);
Vanger	0:b86d15c6ba29	1837
Vanger	0:b86d15c6ba29	1838	/* set iv */
Vanger	0:b86d15c6ba29	1839	ByteReverseWords(iv, iv, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1840
Vanger	0:b86d15c6ba29	1841	AES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
Vanger	0:b86d15c6ba29	1842	AES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
Vanger	0:b86d15c6ba29	1843	AES_CRYP_IVInitStructure.CRYP_IV1Left = iv[2];
Vanger	0:b86d15c6ba29	1844	AES_CRYP_IVInitStructure.CRYP_IV1Right = iv[3];
Vanger	0:b86d15c6ba29	1845	CRYP_IVInit(&AES_CRYP_IVInitStructure);
Vanger	0:b86d15c6ba29	1846
Vanger	0:b86d15c6ba29	1847	/* enable crypto processor */
Vanger	0:b86d15c6ba29	1848	CRYP_Cmd(ENABLE);
Vanger	0:b86d15c6ba29	1849
Vanger	0:b86d15c6ba29	1850	while (sz > 0)
Vanger	0:b86d15c6ba29	1851	{
Vanger	0:b86d15c6ba29	1852	/* flush IN/OUT FIFOs */
Vanger	0:b86d15c6ba29	1853	CRYP_FIFOFlush();
Vanger	0:b86d15c6ba29	1854
Vanger	0:b86d15c6ba29	1855	CRYP_DataIn((uint32_t)&in[0]);
Vanger	0:b86d15c6ba29	1856	CRYP_DataIn((uint32_t)&in[4]);
Vanger	0:b86d15c6ba29	1857	CRYP_DataIn((uint32_t)&in[8]);
Vanger	0:b86d15c6ba29	1858	CRYP_DataIn((uint32_t)&in[12]);
Vanger	0:b86d15c6ba29	1859
Vanger	0:b86d15c6ba29	1860	/* wait until the complete message has been processed */
Vanger	0:b86d15c6ba29	1861	while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
Vanger	0:b86d15c6ba29	1862
Vanger	0:b86d15c6ba29	1863	(uint32_t)&out[0] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	1864	(uint32_t)&out[4] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	1865	(uint32_t)&out[8] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	1866	(uint32_t)&out[12] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	1867
Vanger	0:b86d15c6ba29	1868	/* store iv for next call */
Vanger	0:b86d15c6ba29	1869	XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1870
Vanger	0:b86d15c6ba29	1871	sz -= 16;
Vanger	0:b86d15c6ba29	1872	in += 16;
Vanger	0:b86d15c6ba29	1873	out += 16;
Vanger	0:b86d15c6ba29	1874	}
Vanger	0:b86d15c6ba29	1875
Vanger	0:b86d15c6ba29	1876	/* disable crypto processor */
Vanger	0:b86d15c6ba29	1877	CRYP_Cmd(DISABLE);
Vanger	0:b86d15c6ba29	1878
Vanger	0:b86d15c6ba29	1879	return 0;
Vanger	0:b86d15c6ba29	1880	}
Vanger	0:b86d15c6ba29	1881
Vanger	0:b86d15c6ba29	1882	#elif defined(HAVE_COLDFIRE_SEC)
Vanger	0:b86d15c6ba29	1883	static int AesCbcCrypt(Aes* aes, byte* po, const byte* pi, word32 sz,
Vanger	0:b86d15c6ba29	1884	word32 descHeader)
Vanger	0:b86d15c6ba29	1885	{
Vanger	0:b86d15c6ba29	1886	#ifdef DEBUG_CYASSL
Vanger	0:b86d15c6ba29	1887	int i; int stat1, stat2; int ret;
Vanger	0:b86d15c6ba29	1888	#endif
Vanger	0:b86d15c6ba29	1889
Vanger	0:b86d15c6ba29	1890	int size;
Vanger	0:b86d15c6ba29	1891	volatile int v;
Vanger	0:b86d15c6ba29	1892
Vanger	0:b86d15c6ba29	1893	if ((pi == NULL) \|\| (po == NULL))
Vanger	0:b86d15c6ba29	1894	return BAD_FUNC_ARG; /wrong pointer/
Vanger	0:b86d15c6ba29	1895
Vanger	0:b86d15c6ba29	1896	LockMutex(&Mutex_AesSEC);
Vanger	0:b86d15c6ba29	1897
Vanger	0:b86d15c6ba29	1898	/* Set descriptor for SEC */
Vanger	0:b86d15c6ba29	1899	secDesc->length1 = 0x0;
Vanger	0:b86d15c6ba29	1900	secDesc->pointer1 = NULL;
Vanger	0:b86d15c6ba29	1901
Vanger	0:b86d15c6ba29	1902	secDesc->length2 = AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	1903	secDesc->pointer2 = (byte )secReg; / Initial Vector */
Vanger	0:b86d15c6ba29	1904
Vanger	0:b86d15c6ba29	1905	switch(aes->rounds) {
Vanger	0:b86d15c6ba29	1906	case 10: secDesc->length3 = 16 ; break ;
Vanger	0:b86d15c6ba29	1907	case 12: secDesc->length3 = 24 ; break ;
Vanger	0:b86d15c6ba29	1908	case 14: secDesc->length3 = 32 ; break ;
Vanger	0:b86d15c6ba29	1909	}
Vanger	0:b86d15c6ba29	1910	XMEMCPY(secKey, aes->key, secDesc->length3);
Vanger	0:b86d15c6ba29	1911
Vanger	0:b86d15c6ba29	1912	secDesc->pointer3 = (byte *)secKey;
Vanger	0:b86d15c6ba29	1913	secDesc->pointer4 = AESBuffIn;
Vanger	0:b86d15c6ba29	1914	secDesc->pointer5 = AESBuffOut;
Vanger	0:b86d15c6ba29	1915	secDesc->length6 = 0x0;
Vanger	0:b86d15c6ba29	1916	secDesc->pointer6 = NULL;
Vanger	0:b86d15c6ba29	1917	secDesc->length7 = 0x0;
Vanger	0:b86d15c6ba29	1918	secDesc->pointer7 = NULL;
Vanger	0:b86d15c6ba29	1919	secDesc->nextDescriptorPtr = NULL;
Vanger	0:b86d15c6ba29	1920
Vanger	0:b86d15c6ba29	1921	while (sz) {
Vanger	0:b86d15c6ba29	1922	secDesc->header = descHeader;
Vanger	0:b86d15c6ba29	1923	XMEMCPY(secReg, aes->reg, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1924	if ((sz % AES_BUFFER_SIZE) == sz) {
Vanger	0:b86d15c6ba29	1925	size = sz;
Vanger	0:b86d15c6ba29	1926	sz = 0;
Vanger	0:b86d15c6ba29	1927	} else {
Vanger	0:b86d15c6ba29	1928	size = AES_BUFFER_SIZE;
Vanger	0:b86d15c6ba29	1929	sz -= AES_BUFFER_SIZE;
Vanger	0:b86d15c6ba29	1930	}
Vanger	0:b86d15c6ba29	1931	secDesc->length4 = size;
Vanger	0:b86d15c6ba29	1932	secDesc->length5 = size;
Vanger	0:b86d15c6ba29	1933
Vanger	0:b86d15c6ba29	1934	XMEMCPY(AESBuffIn, pi, size);
Vanger	0:b86d15c6ba29	1935	if(descHeader == SEC_DESC_AES_CBC_DECRYPT) {
Vanger	0:b86d15c6ba29	1936	XMEMCPY((void)aes->tmp, (void)&(pi[size-AES_BLOCK_SIZE]),
Vanger	0:b86d15c6ba29	1937	AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1938	}
Vanger	0:b86d15c6ba29	1939
Vanger	0:b86d15c6ba29	1940	/* Point SEC to the location of the descriptor */
Vanger	0:b86d15c6ba29	1941	MCF_SEC_FR0 = (uint32)secDesc;
Vanger	0:b86d15c6ba29	1942	/* Initialize SEC and wait for encryption to complete */
Vanger	0:b86d15c6ba29	1943	MCF_SEC_CCCR0 = 0x0000001a;
Vanger	0:b86d15c6ba29	1944	/* poll SISR to determine when channel is complete */
Vanger	0:b86d15c6ba29	1945	v=0;
Vanger	0:b86d15c6ba29	1946
Vanger	0:b86d15c6ba29	1947	while ((secDesc->header>> 24) != 0xff) v++;
Vanger	0:b86d15c6ba29	1948
Vanger	0:b86d15c6ba29	1949	#ifdef DEBUG_CYASSL
Vanger	0:b86d15c6ba29	1950	ret = MCF_SEC_SISRH;
Vanger	0:b86d15c6ba29	1951	stat1 = MCF_SEC_AESSR;
Vanger	0:b86d15c6ba29	1952	stat2 = MCF_SEC_AESISR;
Vanger	0:b86d15c6ba29	1953	if (ret & 0xe0000000) {
Vanger	0:b86d15c6ba29	1954	db_printf("Aes_Cbc(i=%d):ISRH=%08x, AESSR=%08x, "
Vanger	0:b86d15c6ba29	1955	"AESISR=%08x\n", i, ret, stat1, stat2);
Vanger	0:b86d15c6ba29	1956	}
Vanger	0:b86d15c6ba29	1957	#endif
Vanger	0:b86d15c6ba29	1958
Vanger	0:b86d15c6ba29	1959	XMEMCPY(po, AESBuffOut, size);
Vanger	0:b86d15c6ba29	1960
Vanger	0:b86d15c6ba29	1961	if (descHeader == SEC_DESC_AES_CBC_ENCRYPT) {
Vanger	0:b86d15c6ba29	1962	XMEMCPY((void)aes->reg, (void)&(po[size-AES_BLOCK_SIZE]),
Vanger	0:b86d15c6ba29	1963	AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1964	} else {
Vanger	0:b86d15c6ba29	1965	XMEMCPY((void)aes->reg, (void)aes->tmp, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	1966	}
Vanger	0:b86d15c6ba29	1967
Vanger	0:b86d15c6ba29	1968	pi += size;
Vanger	0:b86d15c6ba29	1969	po += size;
Vanger	0:b86d15c6ba29	1970	}
Vanger	0:b86d15c6ba29	1971
Vanger	0:b86d15c6ba29	1972	UnLockMutex(&Mutex_AesSEC);
Vanger	0:b86d15c6ba29	1973	return 0;
Vanger	0:b86d15c6ba29	1974	}
Vanger	0:b86d15c6ba29	1975
Vanger	0:b86d15c6ba29	1976	int AesCbcEncrypt(Aes* aes, byte* po, const byte* pi, word32 sz)
Vanger	0:b86d15c6ba29	1977	{
Vanger	0:b86d15c6ba29	1978	return (AesCbcCrypt(aes, po, pi, sz, SEC_DESC_AES_CBC_ENCRYPT));
Vanger	0:b86d15c6ba29	1979	}
Vanger	0:b86d15c6ba29	1980
Vanger	0:b86d15c6ba29	1981	int AesCbcDecrypt(Aes* aes, byte* po, const byte* pi, word32 sz)
Vanger	0:b86d15c6ba29	1982	{
Vanger	0:b86d15c6ba29	1983	return (AesCbcCrypt(aes, po, pi, sz, SEC_DESC_AES_CBC_DECRYPT));
Vanger	0:b86d15c6ba29	1984	}
Vanger	0:b86d15c6ba29	1985
Vanger	0:b86d15c6ba29	1986	#elif defined(FREESCALE_MMCAU)
Vanger	0:b86d15c6ba29	1987	int AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	1988	{
Vanger	0:b86d15c6ba29	1989	int i;
Vanger	0:b86d15c6ba29	1990	int offset = 0;
Vanger	0:b86d15c6ba29	1991	int len = sz;
Vanger	0:b86d15c6ba29	1992
Vanger	0:b86d15c6ba29	1993	byte iv, enc_key;
Vanger	0:b86d15c6ba29	1994	byte temp_block[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	1995
Vanger	0:b86d15c6ba29	1996	iv = (byte*)aes->reg;
Vanger	0:b86d15c6ba29	1997	enc_key = (byte*)aes->key;
Vanger	0:b86d15c6ba29	1998
Vanger	0:b86d15c6ba29	1999	if ((cyassl_word)out % CYASSL_MMCAU_ALIGNMENT) {
Vanger	0:b86d15c6ba29	2000	CYASSL_MSG("Bad cau_aes_encrypt alignment");
Vanger	0:b86d15c6ba29	2001	return BAD_ALIGN_E;
Vanger	0:b86d15c6ba29	2002	}
Vanger	0:b86d15c6ba29	2003
Vanger	0:b86d15c6ba29	2004	while (len > 0)
Vanger	0:b86d15c6ba29	2005	{
Vanger	0:b86d15c6ba29	2006	XMEMCPY(temp_block, in + offset, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2007
Vanger	0:b86d15c6ba29	2008	/* XOR block with IV for CBC */
Vanger	0:b86d15c6ba29	2009	for (i = 0; i < AES_BLOCK_SIZE; i++)
Vanger	0:b86d15c6ba29	2010	temp_block[i] ^= iv[i];
Vanger	0:b86d15c6ba29	2011
Vanger	0:b86d15c6ba29	2012	cau_aes_encrypt(temp_block, enc_key, aes->rounds, out + offset);
Vanger	0:b86d15c6ba29	2013
Vanger	0:b86d15c6ba29	2014	len -= AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2015	offset += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2016
Vanger	0:b86d15c6ba29	2017	/* store IV for next block */
Vanger	0:b86d15c6ba29	2018	XMEMCPY(iv, out + offset - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2019	}
Vanger	0:b86d15c6ba29	2020
Vanger	0:b86d15c6ba29	2021	return 0;
Vanger	0:b86d15c6ba29	2022	}
Vanger	0:b86d15c6ba29	2023
Vanger	0:b86d15c6ba29	2024	int AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	2025	{
Vanger	0:b86d15c6ba29	2026	int i;
Vanger	0:b86d15c6ba29	2027	int offset = 0;
Vanger	0:b86d15c6ba29	2028	int len = sz;
Vanger	0:b86d15c6ba29	2029
Vanger	0:b86d15c6ba29	2030	byte* iv, *dec_key;
Vanger	0:b86d15c6ba29	2031	byte temp_block[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	2032
Vanger	0:b86d15c6ba29	2033	iv = (byte*)aes->reg;
Vanger	0:b86d15c6ba29	2034	dec_key = (byte*)aes->key;
Vanger	0:b86d15c6ba29	2035
Vanger	0:b86d15c6ba29	2036	if ((cyassl_word)out % CYASSL_MMCAU_ALIGNMENT) {
Vanger	0:b86d15c6ba29	2037	CYASSL_MSG("Bad cau_aes_decrypt alignment");
Vanger	0:b86d15c6ba29	2038	return BAD_ALIGN_E;
Vanger	0:b86d15c6ba29	2039	}
Vanger	0:b86d15c6ba29	2040
Vanger	0:b86d15c6ba29	2041	while (len > 0)
Vanger	0:b86d15c6ba29	2042	{
Vanger	0:b86d15c6ba29	2043	XMEMCPY(temp_block, in + offset, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2044
Vanger	0:b86d15c6ba29	2045	cau_aes_decrypt(in + offset, dec_key, aes->rounds, out + offset);
Vanger	0:b86d15c6ba29	2046
Vanger	0:b86d15c6ba29	2047	/* XOR block with IV for CBC */
Vanger	0:b86d15c6ba29	2048	for (i = 0; i < AES_BLOCK_SIZE; i++)
Vanger	0:b86d15c6ba29	2049	(out + offset)[i] ^= iv[i];
Vanger	0:b86d15c6ba29	2050
Vanger	0:b86d15c6ba29	2051	/* store IV for next block */
Vanger	0:b86d15c6ba29	2052	XMEMCPY(iv, temp_block, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2053
Vanger	0:b86d15c6ba29	2054	len -= AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2055	offset += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2056	}
Vanger	0:b86d15c6ba29	2057
Vanger	0:b86d15c6ba29	2058	return 0;
Vanger	0:b86d15c6ba29	2059	}
Vanger	0:b86d15c6ba29	2060
Vanger	0:b86d15c6ba29	2061	#elif defined(CYASSL_PIC32MZ_CRYPT)
Vanger	0:b86d15c6ba29	2062	/* core hardware crypt engine driver */
Vanger	0:b86d15c6ba29	2063	static void AesCrypt(Aes aes, byte out, const byte* in, word32 sz,
Vanger	0:b86d15c6ba29	2064	int dir, int algo, int cryptoalgo)
Vanger	0:b86d15c6ba29	2065	{
Vanger	0:b86d15c6ba29	2066	securityAssociation *sa_p ;
Vanger	0:b86d15c6ba29	2067	bufferDescriptor *bd_p ;
Vanger	0:b86d15c6ba29	2068
Vanger	0:b86d15c6ba29	2069	volatile securityAssociation sa __attribute__((aligned (8)));
Vanger	0:b86d15c6ba29	2070	volatile bufferDescriptor bd __attribute__((aligned (8)));
Vanger	0:b86d15c6ba29	2071	volatile int k ;
Vanger	0:b86d15c6ba29	2072
Vanger	0:b86d15c6ba29	2073	/* get uncached address */
Vanger	0:b86d15c6ba29	2074	sa_p = KVA0_TO_KVA1(&sa) ;
Vanger	0:b86d15c6ba29	2075	bd_p = KVA0_TO_KVA1(&bd) ;
Vanger	0:b86d15c6ba29	2076
Vanger	0:b86d15c6ba29	2077	/* Sync cache and physical memory */
Vanger	0:b86d15c6ba29	2078	if(PIC32MZ_IF_RAM(in)) {
Vanger	0:b86d15c6ba29	2079	XMEMCPY((void )KVA0_TO_KVA1(in), (void )in, sz);
Vanger	0:b86d15c6ba29	2080	}
Vanger	0:b86d15c6ba29	2081	XMEMSET((void *)KVA0_TO_KVA1(out), 0, sz);
Vanger	0:b86d15c6ba29	2082	/* Set up the Security Association */
Vanger	0:b86d15c6ba29	2083	XMEMSET((byte *)KVA0_TO_KVA1(&sa), 0, sizeof(sa));
Vanger	0:b86d15c6ba29	2084	sa_p->SA_CTRL.ALGO = algo ; /* AES */
Vanger	0:b86d15c6ba29	2085	sa_p->SA_CTRL.LNC = 1;
Vanger	0:b86d15c6ba29	2086	sa_p->SA_CTRL.LOADIV = 1;
Vanger	0:b86d15c6ba29	2087	sa_p->SA_CTRL.FB = 1;
Vanger	0:b86d15c6ba29	2088	sa_p->SA_CTRL.ENCTYPE = dir ; /* Encryption/Decryption */
Vanger	0:b86d15c6ba29	2089	sa_p->SA_CTRL.CRYPTOALGO = cryptoalgo;
Vanger	0:b86d15c6ba29	2090
Vanger	0:b86d15c6ba29	2091	if(cryptoalgo == PIC32_CRYPTOALGO_AES_GCM){
Vanger	0:b86d15c6ba29	2092	switch(aes->keylen) {
Vanger	0:b86d15c6ba29	2093	case 32:
Vanger	0:b86d15c6ba29	2094	sa_p->SA_CTRL.KEYSIZE = PIC32_AES_KEYSIZE_256 ;
Vanger	0:b86d15c6ba29	2095	break ;
Vanger	0:b86d15c6ba29	2096	case 24:
Vanger	0:b86d15c6ba29	2097	sa_p->SA_CTRL.KEYSIZE = PIC32_AES_KEYSIZE_192 ;
Vanger	0:b86d15c6ba29	2098	break ;
Vanger	0:b86d15c6ba29	2099	case 16:
Vanger	0:b86d15c6ba29	2100	sa_p->SA_CTRL.KEYSIZE = PIC32_AES_KEYSIZE_128 ;
Vanger	0:b86d15c6ba29	2101	break ;
Vanger	0:b86d15c6ba29	2102	}
Vanger	0:b86d15c6ba29	2103	} else
Vanger	0:b86d15c6ba29	2104	sa_p->SA_CTRL.KEYSIZE = PIC32_AES_KEYSIZE_128 ;
Vanger	0:b86d15c6ba29	2105
Vanger	0:b86d15c6ba29	2106	ByteReverseWords(
Vanger	0:b86d15c6ba29	2107	(word32 *)KVA0_TO_KVA1(sa.SA_ENCKEY + 8 - aes->keylen/sizeof(word32)),
Vanger	0:b86d15c6ba29	2108	(word32 *)aes->key_ce, aes->keylen);
Vanger	0:b86d15c6ba29	2109	ByteReverseWords(
Vanger	0:b86d15c6ba29	2110	(word32)KVA0_TO_KVA1(sa.SA_ENCIV), (word32 )aes->iv_ce, 16);
Vanger	0:b86d15c6ba29	2111
Vanger	0:b86d15c6ba29	2112	XMEMSET((byte *)KVA0_TO_KVA1(&bd), 0, sizeof(bd));
Vanger	0:b86d15c6ba29	2113	/* Set up the Buffer Descriptor */
Vanger	0:b86d15c6ba29	2114	bd_p->BD_CTRL.BUFLEN = sz;
Vanger	0:b86d15c6ba29	2115	if(cryptoalgo == PIC32_CRYPTOALGO_AES_GCM) {
Vanger	0:b86d15c6ba29	2116	if(sz % 0x10)
Vanger	0:b86d15c6ba29	2117	bd_p->BD_CTRL.BUFLEN = (sz/0x10 + 1) * 0x10 ;
Vanger	0:b86d15c6ba29	2118	}
Vanger	0:b86d15c6ba29	2119	bd_p->BD_CTRL.LIFM = 1;
Vanger	0:b86d15c6ba29	2120	bd_p->BD_CTRL.SA_FETCH_EN = 1;
Vanger	0:b86d15c6ba29	2121	bd_p->BD_CTRL.LAST_BD = 1;
Vanger	0:b86d15c6ba29	2122	bd_p->BD_CTRL.DESC_EN = 1;
Vanger	0:b86d15c6ba29	2123
Vanger	0:b86d15c6ba29	2124	bd_p->SA_ADDR = (unsigned int)KVA_TO_PA(&sa) ;
Vanger	0:b86d15c6ba29	2125	bd_p->SRCADDR = (unsigned int)KVA_TO_PA(in) ;
Vanger	0:b86d15c6ba29	2126	bd_p->DSTADDR = (unsigned int)KVA_TO_PA(out);
Vanger	0:b86d15c6ba29	2127	bd_p->MSGLEN = sz ;
Vanger	0:b86d15c6ba29	2128
Vanger	0:b86d15c6ba29	2129	CECON = 1 << 6;
Vanger	0:b86d15c6ba29	2130	while (CECON);
Vanger	0:b86d15c6ba29	2131
Vanger	0:b86d15c6ba29	2132	/* Run the engine */
Vanger	0:b86d15c6ba29	2133	CEBDPADDR = (unsigned int)KVA_TO_PA(&bd) ;
Vanger	0:b86d15c6ba29	2134	CEINTEN = 0x07;
Vanger	0:b86d15c6ba29	2135	CECON = 0x27;
Vanger	0:b86d15c6ba29	2136
Vanger	0:b86d15c6ba29	2137	WAIT_ENGINE ;
Vanger	0:b86d15c6ba29	2138
Vanger	0:b86d15c6ba29	2139	if((cryptoalgo == PIC32_CRYPTOALGO_CBC) \|\|
Vanger	0:b86d15c6ba29	2140	(cryptoalgo == PIC32_CRYPTOALGO_TCBC)\|\|
Vanger	0:b86d15c6ba29	2141	(cryptoalgo == PIC32_CRYPTOALGO_RCBC)) {
Vanger	0:b86d15c6ba29	2142	/* set iv for the next call */
Vanger	0:b86d15c6ba29	2143	if(dir == PIC32_ENCRYPTION) {
Vanger	0:b86d15c6ba29	2144	XMEMCPY((void *)aes->iv_ce,
Vanger	0:b86d15c6ba29	2145	(void*)KVA0_TO_KVA1(out + sz - AES_BLOCK_SIZE),
Vanger	0:b86d15c6ba29	2146	AES_BLOCK_SIZE) ;
Vanger	0:b86d15c6ba29	2147	} else {
Vanger	0:b86d15c6ba29	2148	ByteReverseWords((word32*)aes->iv_ce,
Vanger	0:b86d15c6ba29	2149	(word32 *)KVA0_TO_KVA1(in + sz - AES_BLOCK_SIZE),
Vanger	0:b86d15c6ba29	2150	AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2151	}
Vanger	0:b86d15c6ba29	2152	}
Vanger	0:b86d15c6ba29	2153	XMEMCPY((byte )out, (byte )KVA0_TO_KVA1(out), sz) ;
Vanger	0:b86d15c6ba29	2154	ByteReverseWords((word32)out, (word32 )out, sz);
Vanger	0:b86d15c6ba29	2155	}
Vanger	0:b86d15c6ba29	2156
Vanger	0:b86d15c6ba29	2157	int AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	2158	{
Vanger	0:b86d15c6ba29	2159	AesCrypt(aes, out, in, sz, PIC32_ENCRYPTION, PIC32_ALGO_AES,
Vanger	0:b86d15c6ba29	2160	PIC32_CRYPTOALGO_RCBC );
Vanger	0:b86d15c6ba29	2161	return 0 ;
Vanger	0:b86d15c6ba29	2162	}
Vanger	0:b86d15c6ba29	2163
Vanger	0:b86d15c6ba29	2164	int AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	2165	{
Vanger	0:b86d15c6ba29	2166	AesCrypt(aes, out, in, sz, PIC32_DECRYPTION, PIC32_ALGO_AES,
Vanger	0:b86d15c6ba29	2167	PIC32_CRYPTOALGO_RCBC);
Vanger	0:b86d15c6ba29	2168	return 0 ;
Vanger	0:b86d15c6ba29	2169	}
Vanger	0:b86d15c6ba29	2170
Vanger	0:b86d15c6ba29	2171	#else
Vanger	0:b86d15c6ba29	2172	int AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	2173	{
Vanger	0:b86d15c6ba29	2174	word32 blocks = sz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2175
Vanger	0:b86d15c6ba29	2176	#ifdef HAVE_CAVIUM
Vanger	0:b86d15c6ba29	2177	if (aes->magic == CYASSL_AES_CAVIUM_MAGIC)
Vanger	0:b86d15c6ba29	2178	return AesCaviumCbcEncrypt(aes, out, in, sz);
Vanger	0:b86d15c6ba29	2179	#endif
Vanger	0:b86d15c6ba29	2180
Vanger	0:b86d15c6ba29	2181	#ifdef CYASSL_AESNI
Vanger	0:b86d15c6ba29	2182	if (haveAESNI) {
Vanger	0:b86d15c6ba29	2183	#ifdef DEBUG_AESNI
Vanger	0:b86d15c6ba29	2184	printf("about to aes cbc encrypt\n");
Vanger	0:b86d15c6ba29	2185	printf("in = %p\n", in);
Vanger	0:b86d15c6ba29	2186	printf("out = %p\n", out);
Vanger	0:b86d15c6ba29	2187	printf("aes->key = %p\n", aes->key);
Vanger	0:b86d15c6ba29	2188	printf("aes->reg = %p\n", aes->reg);
Vanger	0:b86d15c6ba29	2189	printf("aes->rounds = %d\n", aes->rounds);
Vanger	0:b86d15c6ba29	2190	printf("sz = %d\n", sz);
Vanger	0:b86d15c6ba29	2191	#endif
Vanger	0:b86d15c6ba29	2192
Vanger	0:b86d15c6ba29	2193	/* check alignment, decrypt doesn't need alignment */
Vanger	0:b86d15c6ba29	2194	if ((cyassl_word)in % 16) {
Vanger	0:b86d15c6ba29	2195	#ifndef NO_CYASSL_ALLOC_ALIGN
Vanger	0:b86d15c6ba29	2196	byte* tmp = (byte*)XMALLOC(sz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
Vanger	0:b86d15c6ba29	2197	CYASSL_MSG("AES-CBC encrypt with bad alignment");
Vanger	0:b86d15c6ba29	2198	if (tmp == NULL) return MEMORY_E;
Vanger	0:b86d15c6ba29	2199
Vanger	0:b86d15c6ba29	2200	XMEMCPY(tmp, in, sz);
Vanger	0:b86d15c6ba29	2201	AES_CBC_encrypt(tmp, tmp, (byte)aes->reg, sz, (byte)aes->key,
Vanger	0:b86d15c6ba29	2202	aes->rounds);
Vanger	0:b86d15c6ba29	2203	/* store iv for next call */
Vanger	0:b86d15c6ba29	2204	XMEMCPY(aes->reg, tmp + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2205
Vanger	0:b86d15c6ba29	2206	XMEMCPY(out, tmp, sz);
Vanger	0:b86d15c6ba29	2207	XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
Vanger	0:b86d15c6ba29	2208	return 0;
Vanger	0:b86d15c6ba29	2209	#else
Vanger	0:b86d15c6ba29	2210	return BAD_ALIGN_E;
Vanger	0:b86d15c6ba29	2211	#endif
Vanger	0:b86d15c6ba29	2212	}
Vanger	0:b86d15c6ba29	2213
Vanger	0:b86d15c6ba29	2214	AES_CBC_encrypt(in, out, (byte)aes->reg, sz, (byte)aes->key,
Vanger	0:b86d15c6ba29	2215	aes->rounds);
Vanger	0:b86d15c6ba29	2216	/* store iv for next call */
Vanger	0:b86d15c6ba29	2217	XMEMCPY(aes->reg, out + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2218
Vanger	0:b86d15c6ba29	2219	return 0;
Vanger	0:b86d15c6ba29	2220	}
Vanger	0:b86d15c6ba29	2221	#endif
Vanger	0:b86d15c6ba29	2222
Vanger	0:b86d15c6ba29	2223	while (blocks--) {
Vanger	0:b86d15c6ba29	2224	xorbuf((byte*)aes->reg, in, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2225	AesEncrypt(aes, (byte)aes->reg, (byte)aes->reg);
Vanger	0:b86d15c6ba29	2226	XMEMCPY(out, aes->reg, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2227
Vanger	0:b86d15c6ba29	2228	out += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2229	in += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2230	}
Vanger	0:b86d15c6ba29	2231
Vanger	0:b86d15c6ba29	2232	return 0;
Vanger	0:b86d15c6ba29	2233	}
Vanger	0:b86d15c6ba29	2234
Vanger	0:b86d15c6ba29	2235	int AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	2236	{
Vanger	0:b86d15c6ba29	2237	word32 blocks = sz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2238
Vanger	0:b86d15c6ba29	2239	#ifdef HAVE_CAVIUM
Vanger	0:b86d15c6ba29	2240	if (aes->magic == CYASSL_AES_CAVIUM_MAGIC)
Vanger	0:b86d15c6ba29	2241	return AesCaviumCbcDecrypt(aes, out, in, sz);
Vanger	0:b86d15c6ba29	2242	#endif
Vanger	0:b86d15c6ba29	2243
Vanger	0:b86d15c6ba29	2244	#ifdef CYASSL_AESNI
Vanger	0:b86d15c6ba29	2245	if (haveAESNI) {
Vanger	0:b86d15c6ba29	2246	#ifdef DEBUG_AESNI
Vanger	0:b86d15c6ba29	2247	printf("about to aes cbc decrypt\n");
Vanger	0:b86d15c6ba29	2248	printf("in = %p\n", in);
Vanger	0:b86d15c6ba29	2249	printf("out = %p\n", out);
Vanger	0:b86d15c6ba29	2250	printf("aes->key = %p\n", aes->key);
Vanger	0:b86d15c6ba29	2251	printf("aes->reg = %p\n", aes->reg);
Vanger	0:b86d15c6ba29	2252	printf("aes->rounds = %d\n", aes->rounds);
Vanger	0:b86d15c6ba29	2253	printf("sz = %d\n", sz);
Vanger	0:b86d15c6ba29	2254	#endif
Vanger	0:b86d15c6ba29	2255
Vanger	0:b86d15c6ba29	2256	/* if input and output same will overwrite input iv */
Vanger	0:b86d15c6ba29	2257	XMEMCPY(aes->tmp, in + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2258	AES_CBC_decrypt(in, out, (byte)aes->reg, sz, (byte)aes->key,
Vanger	0:b86d15c6ba29	2259	aes->rounds);
Vanger	0:b86d15c6ba29	2260	/* store iv for next call */
Vanger	0:b86d15c6ba29	2261	XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2262	return 0;
Vanger	0:b86d15c6ba29	2263	}
Vanger	0:b86d15c6ba29	2264	#endif
Vanger	0:b86d15c6ba29	2265
Vanger	0:b86d15c6ba29	2266	while (blocks--) {
Vanger	0:b86d15c6ba29	2267	XMEMCPY(aes->tmp, in, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2268	AesDecrypt(aes, (byte*)aes->tmp, out);
Vanger	0:b86d15c6ba29	2269	xorbuf(out, (byte*)aes->reg, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2270	XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2271
Vanger	0:b86d15c6ba29	2272	out += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2273	in += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2274	}
Vanger	0:b86d15c6ba29	2275
Vanger	0:b86d15c6ba29	2276	return 0;
Vanger	0:b86d15c6ba29	2277	}
Vanger	0:b86d15c6ba29	2278
Vanger	0:b86d15c6ba29	2279	#endif /* STM32F2_CRYPTO, AES-CBC block */
Vanger	0:b86d15c6ba29	2280
Vanger	0:b86d15c6ba29	2281	/* AES-CTR */
Vanger	0:b86d15c6ba29	2282	#ifdef CYASSL_AES_COUNTER
Vanger	0:b86d15c6ba29	2283
Vanger	0:b86d15c6ba29	2284	#ifdef STM32F2_CRYPTO
Vanger	0:b86d15c6ba29	2285	void AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	2286	{
Vanger	0:b86d15c6ba29	2287	word32 enc_key, iv;
Vanger	0:b86d15c6ba29	2288	CRYP_InitTypeDef AES_CRYP_InitStructure;
Vanger	0:b86d15c6ba29	2289	CRYP_KeyInitTypeDef AES_CRYP_KeyInitStructure;
Vanger	0:b86d15c6ba29	2290	CRYP_IVInitTypeDef AES_CRYP_IVInitStructure;
Vanger	0:b86d15c6ba29	2291
Vanger	0:b86d15c6ba29	2292	enc_key = aes->key;
Vanger	0:b86d15c6ba29	2293	iv = aes->reg;
Vanger	0:b86d15c6ba29	2294
Vanger	0:b86d15c6ba29	2295	/* crypto structure initialization */
Vanger	0:b86d15c6ba29	2296	CRYP_KeyStructInit(&AES_CRYP_KeyInitStructure);
Vanger	0:b86d15c6ba29	2297	CRYP_StructInit(&AES_CRYP_InitStructure);
Vanger	0:b86d15c6ba29	2298	CRYP_IVStructInit(&AES_CRYP_IVInitStructure);
Vanger	0:b86d15c6ba29	2299
Vanger	0:b86d15c6ba29	2300	/* reset registers to their default values */
Vanger	0:b86d15c6ba29	2301	CRYP_DeInit();
Vanger	0:b86d15c6ba29	2302
Vanger	0:b86d15c6ba29	2303	/* load key into correct registers */
Vanger	0:b86d15c6ba29	2304	switch(aes->rounds)
Vanger	0:b86d15c6ba29	2305	{
Vanger	0:b86d15c6ba29	2306	case 10: /* 128-bit key */
Vanger	0:b86d15c6ba29	2307	AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_128b;
Vanger	0:b86d15c6ba29	2308	AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[0];
Vanger	0:b86d15c6ba29	2309	AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[1];
Vanger	0:b86d15c6ba29	2310	AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[2];
Vanger	0:b86d15c6ba29	2311	AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[3];
Vanger	0:b86d15c6ba29	2312	break;
Vanger	0:b86d15c6ba29	2313
Vanger	0:b86d15c6ba29	2314	case 12: /* 192-bit key */
Vanger	0:b86d15c6ba29	2315	AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_192b;
Vanger	0:b86d15c6ba29	2316	AES_CRYP_KeyInitStructure.CRYP_Key1Left = enc_key[0];
Vanger	0:b86d15c6ba29	2317	AES_CRYP_KeyInitStructure.CRYP_Key1Right = enc_key[1];
Vanger	0:b86d15c6ba29	2318	AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[2];
Vanger	0:b86d15c6ba29	2319	AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[3];
Vanger	0:b86d15c6ba29	2320	AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[4];
Vanger	0:b86d15c6ba29	2321	AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[5];
Vanger	0:b86d15c6ba29	2322	break;
Vanger	0:b86d15c6ba29	2323
Vanger	0:b86d15c6ba29	2324	case 14: /* 256-bit key */
Vanger	0:b86d15c6ba29	2325	AES_CRYP_InitStructure.CRYP_KeySize = CRYP_KeySize_256b;
Vanger	0:b86d15c6ba29	2326	AES_CRYP_KeyInitStructure.CRYP_Key0Left = enc_key[0];
Vanger	0:b86d15c6ba29	2327	AES_CRYP_KeyInitStructure.CRYP_Key0Right = enc_key[1];
Vanger	0:b86d15c6ba29	2328	AES_CRYP_KeyInitStructure.CRYP_Key1Left = enc_key[2];
Vanger	0:b86d15c6ba29	2329	AES_CRYP_KeyInitStructure.CRYP_Key1Right = enc_key[3];
Vanger	0:b86d15c6ba29	2330	AES_CRYP_KeyInitStructure.CRYP_Key2Left = enc_key[4];
Vanger	0:b86d15c6ba29	2331	AES_CRYP_KeyInitStructure.CRYP_Key2Right = enc_key[5];
Vanger	0:b86d15c6ba29	2332	AES_CRYP_KeyInitStructure.CRYP_Key3Left = enc_key[6];
Vanger	0:b86d15c6ba29	2333	AES_CRYP_KeyInitStructure.CRYP_Key3Right = enc_key[7];
Vanger	0:b86d15c6ba29	2334	break;
Vanger	0:b86d15c6ba29	2335
Vanger	0:b86d15c6ba29	2336	default:
Vanger	0:b86d15c6ba29	2337	break;
Vanger	0:b86d15c6ba29	2338	}
Vanger	0:b86d15c6ba29	2339	CRYP_KeyInit(&AES_CRYP_KeyInitStructure);
Vanger	0:b86d15c6ba29	2340
Vanger	0:b86d15c6ba29	2341	/* set iv */
Vanger	0:b86d15c6ba29	2342	ByteReverseWords(iv, iv, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2343	AES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
Vanger	0:b86d15c6ba29	2344	AES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
Vanger	0:b86d15c6ba29	2345	AES_CRYP_IVInitStructure.CRYP_IV1Left = iv[2];
Vanger	0:b86d15c6ba29	2346	AES_CRYP_IVInitStructure.CRYP_IV1Right = iv[3];
Vanger	0:b86d15c6ba29	2347	CRYP_IVInit(&AES_CRYP_IVInitStructure);
Vanger	0:b86d15c6ba29	2348
Vanger	0:b86d15c6ba29	2349	/* set direction, mode, and datatype */
Vanger	0:b86d15c6ba29	2350	AES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
Vanger	0:b86d15c6ba29	2351	AES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_AES_CTR;
Vanger	0:b86d15c6ba29	2352	AES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
Vanger	0:b86d15c6ba29	2353	CRYP_Init(&AES_CRYP_InitStructure);
Vanger	0:b86d15c6ba29	2354
Vanger	0:b86d15c6ba29	2355	/* enable crypto processor */
Vanger	0:b86d15c6ba29	2356	CRYP_Cmd(ENABLE);
Vanger	0:b86d15c6ba29	2357
Vanger	0:b86d15c6ba29	2358	while (sz > 0)
Vanger	0:b86d15c6ba29	2359	{
Vanger	0:b86d15c6ba29	2360	/* flush IN/OUT FIFOs */
Vanger	0:b86d15c6ba29	2361	CRYP_FIFOFlush();
Vanger	0:b86d15c6ba29	2362
Vanger	0:b86d15c6ba29	2363	CRYP_DataIn((uint32_t)&in[0]);
Vanger	0:b86d15c6ba29	2364	CRYP_DataIn((uint32_t)&in[4]);
Vanger	0:b86d15c6ba29	2365	CRYP_DataIn((uint32_t)&in[8]);
Vanger	0:b86d15c6ba29	2366	CRYP_DataIn((uint32_t)&in[12]);
Vanger	0:b86d15c6ba29	2367
Vanger	0:b86d15c6ba29	2368	/* wait until the complete message has been processed */
Vanger	0:b86d15c6ba29	2369	while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
Vanger	0:b86d15c6ba29	2370
Vanger	0:b86d15c6ba29	2371	(uint32_t)&out[0] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	2372	(uint32_t)&out[4] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	2373	(uint32_t)&out[8] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	2374	(uint32_t)&out[12] = CRYP_DataOut();
Vanger	0:b86d15c6ba29	2375
Vanger	0:b86d15c6ba29	2376	/* store iv for next call */
Vanger	0:b86d15c6ba29	2377	XMEMCPY(aes->reg, out + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2378
Vanger	0:b86d15c6ba29	2379	sz -= 16;
Vanger	0:b86d15c6ba29	2380	in += 16;
Vanger	0:b86d15c6ba29	2381	out += 16;
Vanger	0:b86d15c6ba29	2382	}
Vanger	0:b86d15c6ba29	2383
Vanger	0:b86d15c6ba29	2384	/* disable crypto processor */
Vanger	0:b86d15c6ba29	2385	CRYP_Cmd(DISABLE);
Vanger	0:b86d15c6ba29	2386	}
Vanger	0:b86d15c6ba29	2387
Vanger	0:b86d15c6ba29	2388	#elif defined(CYASSL_PIC32MZ_CRYPT)
Vanger	0:b86d15c6ba29	2389	void AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	2390	{
Vanger	0:b86d15c6ba29	2391	int i ;
Vanger	0:b86d15c6ba29	2392	char out_block[AES_BLOCK_SIZE] ;
Vanger	0:b86d15c6ba29	2393	int odd ;
Vanger	0:b86d15c6ba29	2394	int even ;
Vanger	0:b86d15c6ba29	2395	char tmp ; / (char )aes->tmp, for short /
Vanger	0:b86d15c6ba29	2396
Vanger	0:b86d15c6ba29	2397	tmp = (char *)aes->tmp ;
Vanger	0:b86d15c6ba29	2398	if(aes->left) {
Vanger	0:b86d15c6ba29	2399	if((aes->left + sz) >= AES_BLOCK_SIZE){
Vanger	0:b86d15c6ba29	2400	odd = AES_BLOCK_SIZE - aes->left ;
Vanger	0:b86d15c6ba29	2401	} else {
Vanger	0:b86d15c6ba29	2402	odd = sz ;
Vanger	0:b86d15c6ba29	2403	}
Vanger	0:b86d15c6ba29	2404	XMEMCPY(tmp+aes->left, in, odd) ;
Vanger	0:b86d15c6ba29	2405	if((odd+aes->left) == AES_BLOCK_SIZE){
Vanger	0:b86d15c6ba29	2406	AesCrypt(aes, out_block, tmp, AES_BLOCK_SIZE,
Vanger	0:b86d15c6ba29	2407	PIC32_ENCRYPTION, PIC32_ALGO_AES, PIC32_CRYPTOALGO_RCTR);
Vanger	0:b86d15c6ba29	2408	XMEMCPY(out, out_block+aes->left, odd) ;
Vanger	0:b86d15c6ba29	2409	aes->left = 0 ;
Vanger	0:b86d15c6ba29	2410	XMEMSET(tmp, 0x0, AES_BLOCK_SIZE) ;
Vanger	0:b86d15c6ba29	2411	/* Increment IV */
Vanger	0:b86d15c6ba29	2412	for (i = AES_BLOCK_SIZE - 1; i >= 0; i--) {
Vanger	0:b86d15c6ba29	2413	if (++((byte *)aes->iv_ce)[i])
Vanger	0:b86d15c6ba29	2414	break ;
Vanger	0:b86d15c6ba29	2415	}
Vanger	0:b86d15c6ba29	2416	}
Vanger	0:b86d15c6ba29	2417	in += odd ;
Vanger	0:b86d15c6ba29	2418	out+= odd ;
Vanger	0:b86d15c6ba29	2419	sz -= odd ;
Vanger	0:b86d15c6ba29	2420	}
Vanger	0:b86d15c6ba29	2421	odd = sz % AES_BLOCK_SIZE ; /* if there is tail flagment */
Vanger	0:b86d15c6ba29	2422	if(sz / AES_BLOCK_SIZE) {
Vanger	0:b86d15c6ba29	2423	even = (sz/AES_BLOCK_SIZE)*AES_BLOCK_SIZE ;
Vanger	0:b86d15c6ba29	2424	AesCrypt(aes, out, in, even, PIC32_ENCRYPTION, PIC32_ALGO_AES,
Vanger	0:b86d15c6ba29	2425	PIC32_CRYPTOALGO_RCTR);
Vanger	0:b86d15c6ba29	2426	out += even ;
Vanger	0:b86d15c6ba29	2427	in += even ;
Vanger	0:b86d15c6ba29	2428	do { /* Increment IV */
Vanger	0:b86d15c6ba29	2429	for (i = AES_BLOCK_SIZE - 1; i >= 0; i--) {
Vanger	0:b86d15c6ba29	2430	if (++((byte *)aes->iv_ce)[i])
Vanger	0:b86d15c6ba29	2431	break ;
Vanger	0:b86d15c6ba29	2432	}
Vanger	0:b86d15c6ba29	2433	even -= AES_BLOCK_SIZE ;
Vanger	0:b86d15c6ba29	2434	} while((int)even > 0) ;
Vanger	0:b86d15c6ba29	2435	}
Vanger	0:b86d15c6ba29	2436	if(odd) {
Vanger	0:b86d15c6ba29	2437	XMEMSET(tmp+aes->left, 0x0, AES_BLOCK_SIZE - aes->left) ;
Vanger	0:b86d15c6ba29	2438	XMEMCPY(tmp+aes->left, in, odd) ;
Vanger	0:b86d15c6ba29	2439	AesCrypt(aes, out_block, tmp, AES_BLOCK_SIZE,
Vanger	0:b86d15c6ba29	2440	PIC32_ENCRYPTION, PIC32_ALGO_AES, PIC32_CRYPTOALGO_RCTR);
Vanger	0:b86d15c6ba29	2441	XMEMCPY(out, out_block+aes->left,odd) ;
Vanger	0:b86d15c6ba29	2442	aes->left += odd ;
Vanger	0:b86d15c6ba29	2443	}
Vanger	0:b86d15c6ba29	2444	}
Vanger	0:b86d15c6ba29	2445
Vanger	0:b86d15c6ba29	2446	#elif defined(HAVE_COLDFIRE_SEC)
Vanger	0:b86d15c6ba29	2447	#error "Coldfire SEC doesn't currently support AES-CTR mode"
Vanger	0:b86d15c6ba29	2448
Vanger	0:b86d15c6ba29	2449	#elif defined(FREESCALE_MMCAU)
Vanger	0:b86d15c6ba29	2450	#error "Freescale mmCAU doesn't currently support AES-CTR mode"
Vanger	0:b86d15c6ba29	2451
Vanger	0:b86d15c6ba29	2452	#else
Vanger	0:b86d15c6ba29	2453	/* Increment AES counter */
Vanger	0:b86d15c6ba29	2454	static INLINE void IncrementAesCounter(byte* inOutCtr)
Vanger	0:b86d15c6ba29	2455	{
Vanger	0:b86d15c6ba29	2456	int i;
Vanger	0:b86d15c6ba29	2457
Vanger	0:b86d15c6ba29	2458	/* in network byte order so start at end and work back */
Vanger	0:b86d15c6ba29	2459	for (i = AES_BLOCK_SIZE - 1; i >= 0; i--) {
Vanger	0:b86d15c6ba29	2460	if (++inOutCtr[i]) /* we're done unless we overflow */
Vanger	0:b86d15c6ba29	2461	return;
Vanger	0:b86d15c6ba29	2462	}
Vanger	0:b86d15c6ba29	2463	}
Vanger	0:b86d15c6ba29	2464
Vanger	0:b86d15c6ba29	2465	void AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz)
Vanger	0:b86d15c6ba29	2466	{
Vanger	0:b86d15c6ba29	2467	byte* tmp = (byte*)aes->tmp + AES_BLOCK_SIZE - aes->left;
Vanger	0:b86d15c6ba29	2468
Vanger	0:b86d15c6ba29	2469	/* consume any unused bytes left in aes->tmp */
Vanger	0:b86d15c6ba29	2470	while (aes->left && sz) {
Vanger	0:b86d15c6ba29	2471	(out++) = (in++) ^ *(tmp++);
Vanger	0:b86d15c6ba29	2472	aes->left--;
Vanger	0:b86d15c6ba29	2473	sz--;
Vanger	0:b86d15c6ba29	2474	}
Vanger	0:b86d15c6ba29	2475
Vanger	0:b86d15c6ba29	2476	/* do as many block size ops as possible */
Vanger	0:b86d15c6ba29	2477	while (sz >= AES_BLOCK_SIZE) {
Vanger	0:b86d15c6ba29	2478	AesEncrypt(aes, (byte*)aes->reg, out);
Vanger	0:b86d15c6ba29	2479	IncrementAesCounter((byte*)aes->reg);
Vanger	0:b86d15c6ba29	2480	xorbuf(out, in, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2481
Vanger	0:b86d15c6ba29	2482	out += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2483	in += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2484	sz -= AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2485	aes->left = 0;
Vanger	0:b86d15c6ba29	2486	}
Vanger	0:b86d15c6ba29	2487
Vanger	0:b86d15c6ba29	2488	/* handle non block size remaining and sotre unused byte count in left */
Vanger	0:b86d15c6ba29	2489	if (sz) {
Vanger	0:b86d15c6ba29	2490	AesEncrypt(aes, (byte)aes->reg, (byte)aes->tmp);
Vanger	0:b86d15c6ba29	2491	IncrementAesCounter((byte*)aes->reg);
Vanger	0:b86d15c6ba29	2492
Vanger	0:b86d15c6ba29	2493	aes->left = AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2494	tmp = (byte*)aes->tmp;
Vanger	0:b86d15c6ba29	2495
Vanger	0:b86d15c6ba29	2496	while (sz--) {
Vanger	0:b86d15c6ba29	2497	(out++) = (in++) ^ *(tmp++);
Vanger	0:b86d15c6ba29	2498	aes->left--;
Vanger	0:b86d15c6ba29	2499	}
Vanger	0:b86d15c6ba29	2500	}
Vanger	0:b86d15c6ba29	2501	}
Vanger	0:b86d15c6ba29	2502
Vanger	0:b86d15c6ba29	2503	#endif /* STM32F2_CRYPTO, AES-CTR block */
Vanger	0:b86d15c6ba29	2504
Vanger	0:b86d15c6ba29	2505	#endif /* CYASSL_AES_COUNTER */
Vanger	0:b86d15c6ba29	2506
Vanger	0:b86d15c6ba29	2507	#ifdef HAVE_AESGCM
Vanger	0:b86d15c6ba29	2508
Vanger	0:b86d15c6ba29	2509	/*
Vanger	0:b86d15c6ba29	2510	* The IV for AES GCM, stored in struct Aes's member reg, is comprised of
Vanger	0:b86d15c6ba29	2511	* three parts in order:
Vanger	0:b86d15c6ba29	2512	* 1. The implicit IV. This is generated from the PRF using the shared
Vanger	0:b86d15c6ba29	2513	* secrets between endpoints. It is 4 bytes long.
Vanger	0:b86d15c6ba29	2514	* 2. The explicit IV. This is set by the user of the AES. It needs to be
Vanger	0:b86d15c6ba29	2515	* unique for each call to encrypt. The explicit IV is shared with the
Vanger	0:b86d15c6ba29	2516	* other end of the transaction in the clear.
Vanger	0:b86d15c6ba29	2517	* 3. The counter. Each block of data is encrypted with its own sequence
Vanger	0:b86d15c6ba29	2518	* number counter.
Vanger	0:b86d15c6ba29	2519	*/
Vanger	0:b86d15c6ba29	2520
Vanger	0:b86d15c6ba29	2521	#ifdef STM32F2_CRYPTO
Vanger	0:b86d15c6ba29	2522	#error "STM32F2 crypto doesn't currently support AES-GCM mode"
Vanger	0:b86d15c6ba29	2523
Vanger	0:b86d15c6ba29	2524	#elif defined(HAVE_COLDFIRE_SEC)
Vanger	0:b86d15c6ba29	2525	#error "Coldfire SEC doesn't currently support AES-GCM mode"
Vanger	0:b86d15c6ba29	2526
Vanger	0:b86d15c6ba29	2527	#endif
Vanger	0:b86d15c6ba29	2528
Vanger	0:b86d15c6ba29	2529	enum {
Vanger	0:b86d15c6ba29	2530	CTR_SZ = 4
Vanger	0:b86d15c6ba29	2531	};
Vanger	0:b86d15c6ba29	2532
Vanger	0:b86d15c6ba29	2533
Vanger	0:b86d15c6ba29	2534	static INLINE void InitGcmCounter(byte* inOutCtr)
Vanger	0:b86d15c6ba29	2535	{
Vanger	0:b86d15c6ba29	2536	inOutCtr[AES_BLOCK_SIZE - 4] = 0;
Vanger	0:b86d15c6ba29	2537	inOutCtr[AES_BLOCK_SIZE - 3] = 0;
Vanger	0:b86d15c6ba29	2538	inOutCtr[AES_BLOCK_SIZE - 2] = 0;
Vanger	0:b86d15c6ba29	2539	inOutCtr[AES_BLOCK_SIZE - 1] = 1;
Vanger	0:b86d15c6ba29	2540	}
Vanger	0:b86d15c6ba29	2541
Vanger	0:b86d15c6ba29	2542
Vanger	0:b86d15c6ba29	2543	static INLINE void IncrementGcmCounter(byte* inOutCtr)
Vanger	0:b86d15c6ba29	2544	{
Vanger	0:b86d15c6ba29	2545	int i;
Vanger	0:b86d15c6ba29	2546
Vanger	0:b86d15c6ba29	2547	/* in network byte order so start at end and work back */
Vanger	0:b86d15c6ba29	2548	for (i = AES_BLOCK_SIZE - 1; i >= AES_BLOCK_SIZE - CTR_SZ; i--) {
Vanger	0:b86d15c6ba29	2549	if (++inOutCtr[i]) /* we're done unless we overflow */
Vanger	0:b86d15c6ba29	2550	return;
Vanger	0:b86d15c6ba29	2551	}
Vanger	0:b86d15c6ba29	2552	}
Vanger	0:b86d15c6ba29	2553
Vanger	0:b86d15c6ba29	2554
Vanger	0:b86d15c6ba29	2555	#if defined(GCM_SMALL) \|\| defined(GCM_TABLE)
Vanger	0:b86d15c6ba29	2556
Vanger	0:b86d15c6ba29	2557	static INLINE void FlattenSzInBits(byte* buf, word32 sz)
Vanger	0:b86d15c6ba29	2558	{
Vanger	0:b86d15c6ba29	2559	/* Multiply the sz by 8 */
Vanger	0:b86d15c6ba29	2560	word32 szHi = (sz >> (8*sizeof(sz) - 3));
Vanger	0:b86d15c6ba29	2561	sz <<= 3;
Vanger	0:b86d15c6ba29	2562
Vanger	0:b86d15c6ba29	2563	/* copy over the words of the sz into the destination buffer */
Vanger	0:b86d15c6ba29	2564	buf[0] = (szHi >> 24) & 0xff;
Vanger	0:b86d15c6ba29	2565	buf[1] = (szHi >> 16) & 0xff;
Vanger	0:b86d15c6ba29	2566	buf[2] = (szHi >> 8) & 0xff;
Vanger	0:b86d15c6ba29	2567	buf[3] = szHi & 0xff;
Vanger	0:b86d15c6ba29	2568	buf[4] = (sz >> 24) & 0xff;
Vanger	0:b86d15c6ba29	2569	buf[5] = (sz >> 16) & 0xff;
Vanger	0:b86d15c6ba29	2570	buf[6] = (sz >> 8) & 0xff;
Vanger	0:b86d15c6ba29	2571	buf[7] = sz & 0xff;
Vanger	0:b86d15c6ba29	2572	}
Vanger	0:b86d15c6ba29	2573
Vanger	0:b86d15c6ba29	2574
Vanger	0:b86d15c6ba29	2575	static INLINE void RIGHTSHIFTX(byte* x)
Vanger	0:b86d15c6ba29	2576	{
Vanger	0:b86d15c6ba29	2577	int i;
Vanger	0:b86d15c6ba29	2578	int carryOut = 0;
Vanger	0:b86d15c6ba29	2579	int carryIn = 0;
Vanger	0:b86d15c6ba29	2580	int borrow = x[15] & 0x01;
Vanger	0:b86d15c6ba29	2581
Vanger	0:b86d15c6ba29	2582	for (i = 0; i < AES_BLOCK_SIZE; i++) {
Vanger	0:b86d15c6ba29	2583	carryOut = x[i] & 0x01;
Vanger	0:b86d15c6ba29	2584	x[i] = (x[i] >> 1) \| (carryIn ? 0x80 : 0);
Vanger	0:b86d15c6ba29	2585	carryIn = carryOut;
Vanger	0:b86d15c6ba29	2586	}
Vanger	0:b86d15c6ba29	2587	if (borrow) x[0] ^= 0xE1;
Vanger	0:b86d15c6ba29	2588	}
Vanger	0:b86d15c6ba29	2589
Vanger	0:b86d15c6ba29	2590	#endif /* defined(GCM_SMALL) \|\| defined(GCM_TABLE) */
Vanger	0:b86d15c6ba29	2591
Vanger	0:b86d15c6ba29	2592
Vanger	0:b86d15c6ba29	2593	#ifdef GCM_TABLE
Vanger	0:b86d15c6ba29	2594
Vanger	0:b86d15c6ba29	2595	static void GenerateM0(Aes* aes)
Vanger	0:b86d15c6ba29	2596	{
Vanger	0:b86d15c6ba29	2597	int i, j;
Vanger	0:b86d15c6ba29	2598	byte (*m)[AES_BLOCK_SIZE] = aes->M0;
Vanger	0:b86d15c6ba29	2599
Vanger	0:b86d15c6ba29	2600	XMEMCPY(m[128], aes->H, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2601
Vanger	0:b86d15c6ba29	2602	for (i = 64; i > 0; i /= 2) {
Vanger	0:b86d15c6ba29	2603	XMEMCPY(m[i], m[i*2], AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2604	RIGHTSHIFTX(m[i]);
Vanger	0:b86d15c6ba29	2605	}
Vanger	0:b86d15c6ba29	2606
Vanger	0:b86d15c6ba29	2607	for (i = 2; i < 256; i *= 2) {
Vanger	0:b86d15c6ba29	2608	for (j = 1; j < i; j++) {
Vanger	0:b86d15c6ba29	2609	XMEMCPY(m[i+j], m[i], AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2610	xorbuf(m[i+j], m[j], AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2611	}
Vanger	0:b86d15c6ba29	2612	}
Vanger	0:b86d15c6ba29	2613
Vanger	0:b86d15c6ba29	2614	XMEMSET(m[0], 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2615	}
Vanger	0:b86d15c6ba29	2616
Vanger	0:b86d15c6ba29	2617	#endif /* GCM_TABLE */
Vanger	0:b86d15c6ba29	2618
Vanger	0:b86d15c6ba29	2619
Vanger	0:b86d15c6ba29	2620	int AesGcmSetKey(Aes* aes, const byte* key, word32 len)
Vanger	0:b86d15c6ba29	2621	{
Vanger	0:b86d15c6ba29	2622	int ret;
Vanger	0:b86d15c6ba29	2623	byte iv[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	2624
Vanger	0:b86d15c6ba29	2625	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	2626	byte* rk = (byte*)aes->key;
Vanger	0:b86d15c6ba29	2627	#endif
Vanger	0:b86d15c6ba29	2628
Vanger	0:b86d15c6ba29	2629	if (!((len == 16) \|\| (len == 24) \|\| (len == 32)))
Vanger	0:b86d15c6ba29	2630	return BAD_FUNC_ARG;
Vanger	0:b86d15c6ba29	2631
Vanger	0:b86d15c6ba29	2632	XMEMSET(iv, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2633	ret = AesSetKey(aes, key, len, iv, AES_ENCRYPTION);
Vanger	0:b86d15c6ba29	2634
Vanger	0:b86d15c6ba29	2635	if (ret == 0) {
Vanger	0:b86d15c6ba29	2636	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	2637	cau_aes_encrypt(iv, rk, aes->rounds, aes->H);
Vanger	0:b86d15c6ba29	2638	#else
Vanger	0:b86d15c6ba29	2639	AesEncrypt(aes, iv, aes->H);
Vanger	0:b86d15c6ba29	2640	#endif
Vanger	0:b86d15c6ba29	2641	#ifdef GCM_TABLE
Vanger	0:b86d15c6ba29	2642	GenerateM0(aes);
Vanger	0:b86d15c6ba29	2643	#endif /* GCM_TABLE */
Vanger	0:b86d15c6ba29	2644	}
Vanger	0:b86d15c6ba29	2645
Vanger	0:b86d15c6ba29	2646	return ret;
Vanger	0:b86d15c6ba29	2647	}
Vanger	0:b86d15c6ba29	2648
Vanger	0:b86d15c6ba29	2649
Vanger	0:b86d15c6ba29	2650	#if defined(GCM_SMALL)
Vanger	0:b86d15c6ba29	2651
Vanger	0:b86d15c6ba29	2652	static void GMULT(byte* X, byte* Y)
Vanger	0:b86d15c6ba29	2653	{
Vanger	0:b86d15c6ba29	2654	byte Z[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	2655	byte V[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	2656	int i, j;
Vanger	0:b86d15c6ba29	2657
Vanger	0:b86d15c6ba29	2658	XMEMSET(Z, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2659	XMEMCPY(V, X, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2660	for (i = 0; i < AES_BLOCK_SIZE; i++)
Vanger	0:b86d15c6ba29	2661	{
Vanger	0:b86d15c6ba29	2662	byte y = Y[i];
Vanger	0:b86d15c6ba29	2663	for (j = 0; j < 8; j++)
Vanger	0:b86d15c6ba29	2664	{
Vanger	0:b86d15c6ba29	2665	if (y & 0x80) {
Vanger	0:b86d15c6ba29	2666	xorbuf(Z, V, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2667	}
Vanger	0:b86d15c6ba29	2668
Vanger	0:b86d15c6ba29	2669	RIGHTSHIFTX(V);
Vanger	0:b86d15c6ba29	2670	y = y << 1;
Vanger	0:b86d15c6ba29	2671	}
Vanger	0:b86d15c6ba29	2672	}
Vanger	0:b86d15c6ba29	2673	XMEMCPY(X, Z, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2674	}
Vanger	0:b86d15c6ba29	2675
Vanger	0:b86d15c6ba29	2676
Vanger	0:b86d15c6ba29	2677	static void GHASH(Aes* aes, const byte* a, word32 aSz,
Vanger	0:b86d15c6ba29	2678	const byte* c, word32 cSz, byte* s, word32 sSz)
Vanger	0:b86d15c6ba29	2679	{
Vanger	0:b86d15c6ba29	2680	byte x[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	2681	byte scratch[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	2682	word32 blocks, partial;
Vanger	0:b86d15c6ba29	2683	byte* h = aes->H;
Vanger	0:b86d15c6ba29	2684
Vanger	0:b86d15c6ba29	2685	XMEMSET(x, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2686
Vanger	0:b86d15c6ba29	2687	/* Hash in A, the Additional Authentication Data */
Vanger	0:b86d15c6ba29	2688	if (aSz != 0 && a != NULL) {
Vanger	0:b86d15c6ba29	2689	blocks = aSz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2690	partial = aSz % AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2691	while (blocks--) {
Vanger	0:b86d15c6ba29	2692	xorbuf(x, a, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2693	GMULT(x, h);
Vanger	0:b86d15c6ba29	2694	a += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2695	}
Vanger	0:b86d15c6ba29	2696	if (partial != 0) {
Vanger	0:b86d15c6ba29	2697	XMEMSET(scratch, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2698	XMEMCPY(scratch, a, partial);
Vanger	0:b86d15c6ba29	2699	xorbuf(x, scratch, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2700	GMULT(x, h);
Vanger	0:b86d15c6ba29	2701	}
Vanger	0:b86d15c6ba29	2702	}
Vanger	0:b86d15c6ba29	2703
Vanger	0:b86d15c6ba29	2704	/* Hash in C, the Ciphertext */
Vanger	0:b86d15c6ba29	2705	if (cSz != 0 && c != NULL) {
Vanger	0:b86d15c6ba29	2706	blocks = cSz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2707	partial = cSz % AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2708	while (blocks--) {
Vanger	0:b86d15c6ba29	2709	xorbuf(x, c, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2710	GMULT(x, h);
Vanger	0:b86d15c6ba29	2711	c += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2712	}
Vanger	0:b86d15c6ba29	2713	if (partial != 0) {
Vanger	0:b86d15c6ba29	2714	XMEMSET(scratch, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2715	XMEMCPY(scratch, c, partial);
Vanger	0:b86d15c6ba29	2716	xorbuf(x, scratch, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2717	GMULT(x, h);
Vanger	0:b86d15c6ba29	2718	}
Vanger	0:b86d15c6ba29	2719	}
Vanger	0:b86d15c6ba29	2720
Vanger	0:b86d15c6ba29	2721	/* Hash in the lengths of A and C in bits */
Vanger	0:b86d15c6ba29	2722	FlattenSzInBits(&scratch[0], aSz);
Vanger	0:b86d15c6ba29	2723	FlattenSzInBits(&scratch[8], cSz);
Vanger	0:b86d15c6ba29	2724	xorbuf(x, scratch, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2725	GMULT(x, h);
Vanger	0:b86d15c6ba29	2726
Vanger	0:b86d15c6ba29	2727	/* Copy the result into s. */
Vanger	0:b86d15c6ba29	2728	XMEMCPY(s, x, sSz);
Vanger	0:b86d15c6ba29	2729	}
Vanger	0:b86d15c6ba29	2730
Vanger	0:b86d15c6ba29	2731	/* end GCM_SMALL */
Vanger	0:b86d15c6ba29	2732	#elif defined(GCM_TABLE)
Vanger	0:b86d15c6ba29	2733
Vanger	0:b86d15c6ba29	2734	static const byte R[256][2] = {
Vanger	0:b86d15c6ba29	2735	{0x00, 0x00}, {0x01, 0xc2}, {0x03, 0x84}, {0x02, 0x46},
Vanger	0:b86d15c6ba29	2736	{0x07, 0x08}, {0x06, 0xca}, {0x04, 0x8c}, {0x05, 0x4e},
Vanger	0:b86d15c6ba29	2737	{0x0e, 0x10}, {0x0f, 0xd2}, {0x0d, 0x94}, {0x0c, 0x56},
Vanger	0:b86d15c6ba29	2738	{0x09, 0x18}, {0x08, 0xda}, {0x0a, 0x9c}, {0x0b, 0x5e},
Vanger	0:b86d15c6ba29	2739	{0x1c, 0x20}, {0x1d, 0xe2}, {0x1f, 0xa4}, {0x1e, 0x66},
Vanger	0:b86d15c6ba29	2740	{0x1b, 0x28}, {0x1a, 0xea}, {0x18, 0xac}, {0x19, 0x6e},
Vanger	0:b86d15c6ba29	2741	{0x12, 0x30}, {0x13, 0xf2}, {0x11, 0xb4}, {0x10, 0x76},
Vanger	0:b86d15c6ba29	2742	{0x15, 0x38}, {0x14, 0xfa}, {0x16, 0xbc}, {0x17, 0x7e},
Vanger	0:b86d15c6ba29	2743	{0x38, 0x40}, {0x39, 0x82}, {0x3b, 0xc4}, {0x3a, 0x06},
Vanger	0:b86d15c6ba29	2744	{0x3f, 0x48}, {0x3e, 0x8a}, {0x3c, 0xcc}, {0x3d, 0x0e},
Vanger	0:b86d15c6ba29	2745	{0x36, 0x50}, {0x37, 0x92}, {0x35, 0xd4}, {0x34, 0x16},
Vanger	0:b86d15c6ba29	2746	{0x31, 0x58}, {0x30, 0x9a}, {0x32, 0xdc}, {0x33, 0x1e},
Vanger	0:b86d15c6ba29	2747	{0x24, 0x60}, {0x25, 0xa2}, {0x27, 0xe4}, {0x26, 0x26},
Vanger	0:b86d15c6ba29	2748	{0x23, 0x68}, {0x22, 0xaa}, {0x20, 0xec}, {0x21, 0x2e},
Vanger	0:b86d15c6ba29	2749	{0x2a, 0x70}, {0x2b, 0xb2}, {0x29, 0xf4}, {0x28, 0x36},
Vanger	0:b86d15c6ba29	2750	{0x2d, 0x78}, {0x2c, 0xba}, {0x2e, 0xfc}, {0x2f, 0x3e},
Vanger	0:b86d15c6ba29	2751	{0x70, 0x80}, {0x71, 0x42}, {0x73, 0x04}, {0x72, 0xc6},
Vanger	0:b86d15c6ba29	2752	{0x77, 0x88}, {0x76, 0x4a}, {0x74, 0x0c}, {0x75, 0xce},
Vanger	0:b86d15c6ba29	2753	{0x7e, 0x90}, {0x7f, 0x52}, {0x7d, 0x14}, {0x7c, 0xd6},
Vanger	0:b86d15c6ba29	2754	{0x79, 0x98}, {0x78, 0x5a}, {0x7a, 0x1c}, {0x7b, 0xde},
Vanger	0:b86d15c6ba29	2755	{0x6c, 0xa0}, {0x6d, 0x62}, {0x6f, 0x24}, {0x6e, 0xe6},
Vanger	0:b86d15c6ba29	2756	{0x6b, 0xa8}, {0x6a, 0x6a}, {0x68, 0x2c}, {0x69, 0xee},
Vanger	0:b86d15c6ba29	2757	{0x62, 0xb0}, {0x63, 0x72}, {0x61, 0x34}, {0x60, 0xf6},
Vanger	0:b86d15c6ba29	2758	{0x65, 0xb8}, {0x64, 0x7a}, {0x66, 0x3c}, {0x67, 0xfe},
Vanger	0:b86d15c6ba29	2759	{0x48, 0xc0}, {0x49, 0x02}, {0x4b, 0x44}, {0x4a, 0x86},
Vanger	0:b86d15c6ba29	2760	{0x4f, 0xc8}, {0x4e, 0x0a}, {0x4c, 0x4c}, {0x4d, 0x8e},
Vanger	0:b86d15c6ba29	2761	{0x46, 0xd0}, {0x47, 0x12}, {0x45, 0x54}, {0x44, 0x96},
Vanger	0:b86d15c6ba29	2762	{0x41, 0xd8}, {0x40, 0x1a}, {0x42, 0x5c}, {0x43, 0x9e},
Vanger	0:b86d15c6ba29	2763	{0x54, 0xe0}, {0x55, 0x22}, {0x57, 0x64}, {0x56, 0xa6},
Vanger	0:b86d15c6ba29	2764	{0x53, 0xe8}, {0x52, 0x2a}, {0x50, 0x6c}, {0x51, 0xae},
Vanger	0:b86d15c6ba29	2765	{0x5a, 0xf0}, {0x5b, 0x32}, {0x59, 0x74}, {0x58, 0xb6},
Vanger	0:b86d15c6ba29	2766	{0x5d, 0xf8}, {0x5c, 0x3a}, {0x5e, 0x7c}, {0x5f, 0xbe},
Vanger	0:b86d15c6ba29	2767	{0xe1, 0x00}, {0xe0, 0xc2}, {0xe2, 0x84}, {0xe3, 0x46},
Vanger	0:b86d15c6ba29	2768	{0xe6, 0x08}, {0xe7, 0xca}, {0xe5, 0x8c}, {0xe4, 0x4e},
Vanger	0:b86d15c6ba29	2769	{0xef, 0x10}, {0xee, 0xd2}, {0xec, 0x94}, {0xed, 0x56},
Vanger	0:b86d15c6ba29	2770	{0xe8, 0x18}, {0xe9, 0xda}, {0xeb, 0x9c}, {0xea, 0x5e},
Vanger	0:b86d15c6ba29	2771	{0xfd, 0x20}, {0xfc, 0xe2}, {0xfe, 0xa4}, {0xff, 0x66},
Vanger	0:b86d15c6ba29	2772	{0xfa, 0x28}, {0xfb, 0xea}, {0xf9, 0xac}, {0xf8, 0x6e},
Vanger	0:b86d15c6ba29	2773	{0xf3, 0x30}, {0xf2, 0xf2}, {0xf0, 0xb4}, {0xf1, 0x76},
Vanger	0:b86d15c6ba29	2774	{0xf4, 0x38}, {0xf5, 0xfa}, {0xf7, 0xbc}, {0xf6, 0x7e},
Vanger	0:b86d15c6ba29	2775	{0xd9, 0x40}, {0xd8, 0x82}, {0xda, 0xc4}, {0xdb, 0x06},
Vanger	0:b86d15c6ba29	2776	{0xde, 0x48}, {0xdf, 0x8a}, {0xdd, 0xcc}, {0xdc, 0x0e},
Vanger	0:b86d15c6ba29	2777	{0xd7, 0x50}, {0xd6, 0x92}, {0xd4, 0xd4}, {0xd5, 0x16},
Vanger	0:b86d15c6ba29	2778	{0xd0, 0x58}, {0xd1, 0x9a}, {0xd3, 0xdc}, {0xd2, 0x1e},
Vanger	0:b86d15c6ba29	2779	{0xc5, 0x60}, {0xc4, 0xa2}, {0xc6, 0xe4}, {0xc7, 0x26},
Vanger	0:b86d15c6ba29	2780	{0xc2, 0x68}, {0xc3, 0xaa}, {0xc1, 0xec}, {0xc0, 0x2e},
Vanger	0:b86d15c6ba29	2781	{0xcb, 0x70}, {0xca, 0xb2}, {0xc8, 0xf4}, {0xc9, 0x36},
Vanger	0:b86d15c6ba29	2782	{0xcc, 0x78}, {0xcd, 0xba}, {0xcf, 0xfc}, {0xce, 0x3e},
Vanger	0:b86d15c6ba29	2783	{0x91, 0x80}, {0x90, 0x42}, {0x92, 0x04}, {0x93, 0xc6},
Vanger	0:b86d15c6ba29	2784	{0x96, 0x88}, {0x97, 0x4a}, {0x95, 0x0c}, {0x94, 0xce},
Vanger	0:b86d15c6ba29	2785	{0x9f, 0x90}, {0x9e, 0x52}, {0x9c, 0x14}, {0x9d, 0xd6},
Vanger	0:b86d15c6ba29	2786	{0x98, 0x98}, {0x99, 0x5a}, {0x9b, 0x1c}, {0x9a, 0xde},
Vanger	0:b86d15c6ba29	2787	{0x8d, 0xa0}, {0x8c, 0x62}, {0x8e, 0x24}, {0x8f, 0xe6},
Vanger	0:b86d15c6ba29	2788	{0x8a, 0xa8}, {0x8b, 0x6a}, {0x89, 0x2c}, {0x88, 0xee},
Vanger	0:b86d15c6ba29	2789	{0x83, 0xb0}, {0x82, 0x72}, {0x80, 0x34}, {0x81, 0xf6},
Vanger	0:b86d15c6ba29	2790	{0x84, 0xb8}, {0x85, 0x7a}, {0x87, 0x3c}, {0x86, 0xfe},
Vanger	0:b86d15c6ba29	2791	{0xa9, 0xc0}, {0xa8, 0x02}, {0xaa, 0x44}, {0xab, 0x86},
Vanger	0:b86d15c6ba29	2792	{0xae, 0xc8}, {0xaf, 0x0a}, {0xad, 0x4c}, {0xac, 0x8e},
Vanger	0:b86d15c6ba29	2793	{0xa7, 0xd0}, {0xa6, 0x12}, {0xa4, 0x54}, {0xa5, 0x96},
Vanger	0:b86d15c6ba29	2794	{0xa0, 0xd8}, {0xa1, 0x1a}, {0xa3, 0x5c}, {0xa2, 0x9e},
Vanger	0:b86d15c6ba29	2795	{0xb5, 0xe0}, {0xb4, 0x22}, {0xb6, 0x64}, {0xb7, 0xa6},
Vanger	0:b86d15c6ba29	2796	{0xb2, 0xe8}, {0xb3, 0x2a}, {0xb1, 0x6c}, {0xb0, 0xae},
Vanger	0:b86d15c6ba29	2797	{0xbb, 0xf0}, {0xba, 0x32}, {0xb8, 0x74}, {0xb9, 0xb6},
Vanger	0:b86d15c6ba29	2798	{0xbc, 0xf8}, {0xbd, 0x3a}, {0xbf, 0x7c}, {0xbe, 0xbe} };
Vanger	0:b86d15c6ba29	2799
Vanger	0:b86d15c6ba29	2800
Vanger	0:b86d15c6ba29	2801	static void GMULT(byte *x, byte m[256][AES_BLOCK_SIZE])
Vanger	0:b86d15c6ba29	2802	{
Vanger	0:b86d15c6ba29	2803	int i, j;
Vanger	0:b86d15c6ba29	2804	byte Z[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	2805	byte a;
Vanger	0:b86d15c6ba29	2806
Vanger	0:b86d15c6ba29	2807	XMEMSET(Z, 0, sizeof(Z));
Vanger	0:b86d15c6ba29	2808
Vanger	0:b86d15c6ba29	2809	for (i = 15; i > 0; i--) {
Vanger	0:b86d15c6ba29	2810	xorbuf(Z, m[x[i]], AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2811	a = Z[15];
Vanger	0:b86d15c6ba29	2812
Vanger	0:b86d15c6ba29	2813	for (j = 15; j > 0; j--) {
Vanger	0:b86d15c6ba29	2814	Z[j] = Z[j-1];
Vanger	0:b86d15c6ba29	2815	}
Vanger	0:b86d15c6ba29	2816
Vanger	0:b86d15c6ba29	2817	Z[0] = R[a][0];
Vanger	0:b86d15c6ba29	2818	Z[1] ^= R[a][1];
Vanger	0:b86d15c6ba29	2819	}
Vanger	0:b86d15c6ba29	2820	xorbuf(Z, m[x[0]], AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2821
Vanger	0:b86d15c6ba29	2822	XMEMCPY(x, Z, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2823	}
Vanger	0:b86d15c6ba29	2824
Vanger	0:b86d15c6ba29	2825
Vanger	0:b86d15c6ba29	2826	static void GHASH(Aes* aes, const byte* a, word32 aSz,
Vanger	0:b86d15c6ba29	2827	const byte* c, word32 cSz, byte* s, word32 sSz)
Vanger	0:b86d15c6ba29	2828	{
Vanger	0:b86d15c6ba29	2829	byte x[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	2830	byte scratch[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	2831	word32 blocks, partial;
Vanger	0:b86d15c6ba29	2832
Vanger	0:b86d15c6ba29	2833	XMEMSET(x, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2834
Vanger	0:b86d15c6ba29	2835	/* Hash in A, the Additional Authentication Data */
Vanger	0:b86d15c6ba29	2836	if (aSz != 0 && a != NULL) {
Vanger	0:b86d15c6ba29	2837	blocks = aSz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2838	partial = aSz % AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2839	while (blocks--) {
Vanger	0:b86d15c6ba29	2840	xorbuf(x, a, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2841	GMULT(x, aes->M0);
Vanger	0:b86d15c6ba29	2842	a += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2843	}
Vanger	0:b86d15c6ba29	2844	if (partial != 0) {
Vanger	0:b86d15c6ba29	2845	XMEMSET(scratch, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2846	XMEMCPY(scratch, a, partial);
Vanger	0:b86d15c6ba29	2847	xorbuf(x, scratch, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2848	GMULT(x, aes->M0);
Vanger	0:b86d15c6ba29	2849	}
Vanger	0:b86d15c6ba29	2850	}
Vanger	0:b86d15c6ba29	2851
Vanger	0:b86d15c6ba29	2852	/* Hash in C, the Ciphertext */
Vanger	0:b86d15c6ba29	2853	if (cSz != 0 && c != NULL) {
Vanger	0:b86d15c6ba29	2854	blocks = cSz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2855	partial = cSz % AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2856	while (blocks--) {
Vanger	0:b86d15c6ba29	2857	xorbuf(x, c, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2858	GMULT(x, aes->M0);
Vanger	0:b86d15c6ba29	2859	c += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2860	}
Vanger	0:b86d15c6ba29	2861	if (partial != 0) {
Vanger	0:b86d15c6ba29	2862	XMEMSET(scratch, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2863	XMEMCPY(scratch, c, partial);
Vanger	0:b86d15c6ba29	2864	xorbuf(x, scratch, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2865	GMULT(x, aes->M0);
Vanger	0:b86d15c6ba29	2866	}
Vanger	0:b86d15c6ba29	2867	}
Vanger	0:b86d15c6ba29	2868
Vanger	0:b86d15c6ba29	2869	/* Hash in the lengths of A and C in bits */
Vanger	0:b86d15c6ba29	2870	FlattenSzInBits(&scratch[0], aSz);
Vanger	0:b86d15c6ba29	2871	FlattenSzInBits(&scratch[8], cSz);
Vanger	0:b86d15c6ba29	2872	xorbuf(x, scratch, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2873	GMULT(x, aes->M0);
Vanger	0:b86d15c6ba29	2874
Vanger	0:b86d15c6ba29	2875	/* Copy the result into s. */
Vanger	0:b86d15c6ba29	2876	XMEMCPY(s, x, sSz);
Vanger	0:b86d15c6ba29	2877	}
Vanger	0:b86d15c6ba29	2878
Vanger	0:b86d15c6ba29	2879	/* end GCM_TABLE */
Vanger	0:b86d15c6ba29	2880	#elif defined(WORD64_AVAILABLE) && !defined(GCM_WORD32)
Vanger	0:b86d15c6ba29	2881
Vanger	0:b86d15c6ba29	2882	static void GMULT(word64* X, word64* Y)
Vanger	0:b86d15c6ba29	2883	{
Vanger	0:b86d15c6ba29	2884	word64 Z[2] = {0,0};
Vanger	0:b86d15c6ba29	2885	word64 V[2] ;
Vanger	0:b86d15c6ba29	2886	int i, j;
Vanger	0:b86d15c6ba29	2887	V[0] = X[0] ; V[1] = X[1] ;
Vanger	0:b86d15c6ba29	2888
Vanger	0:b86d15c6ba29	2889	for (i = 0; i < 2; i++)
Vanger	0:b86d15c6ba29	2890	{
Vanger	0:b86d15c6ba29	2891	word64 y = Y[i];
Vanger	0:b86d15c6ba29	2892	for (j = 0; j < 64; j++)
Vanger	0:b86d15c6ba29	2893	{
Vanger	0:b86d15c6ba29	2894	if (y & 0x8000000000000000) {
Vanger	0:b86d15c6ba29	2895	Z[0] ^= V[0];
Vanger	0:b86d15c6ba29	2896	Z[1] ^= V[1];
Vanger	0:b86d15c6ba29	2897	}
Vanger	0:b86d15c6ba29	2898
Vanger	0:b86d15c6ba29	2899	if (V[1] & 0x0000000000000001) {
Vanger	0:b86d15c6ba29	2900	V[1] >>= 1;
Vanger	0:b86d15c6ba29	2901	V[1] \|= ((V[0] & 0x0000000000000001) ? 0x8000000000000000 : 0);
Vanger	0:b86d15c6ba29	2902	V[0] >>= 1;
Vanger	0:b86d15c6ba29	2903	V[0] ^= 0xE100000000000000;
Vanger	0:b86d15c6ba29	2904	}
Vanger	0:b86d15c6ba29	2905	else {
Vanger	0:b86d15c6ba29	2906	V[1] >>= 1;
Vanger	0:b86d15c6ba29	2907	V[1] \|= ((V[0] & 0x0000000000000001) ? 0x8000000000000000 : 0);
Vanger	0:b86d15c6ba29	2908	V[0] >>= 1;
Vanger	0:b86d15c6ba29	2909	}
Vanger	0:b86d15c6ba29	2910	y <<= 1;
Vanger	0:b86d15c6ba29	2911	}
Vanger	0:b86d15c6ba29	2912	}
Vanger	0:b86d15c6ba29	2913	X[0] = Z[0];
Vanger	0:b86d15c6ba29	2914	X[1] = Z[1];
Vanger	0:b86d15c6ba29	2915	}
Vanger	0:b86d15c6ba29	2916
Vanger	0:b86d15c6ba29	2917
Vanger	0:b86d15c6ba29	2918	static void GHASH(Aes* aes, const byte* a, word32 aSz,
Vanger	0:b86d15c6ba29	2919	const byte* c, word32 cSz, byte* s, word32 sSz)
Vanger	0:b86d15c6ba29	2920	{
Vanger	0:b86d15c6ba29	2921	word64 x[2] = {0,0};
Vanger	0:b86d15c6ba29	2922	word32 blocks, partial;
Vanger	0:b86d15c6ba29	2923	word64 bigH[2];
Vanger	0:b86d15c6ba29	2924
Vanger	0:b86d15c6ba29	2925	XMEMCPY(bigH, aes->H, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2926	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	2927	ByteReverseWords64(bigH, bigH, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2928	#endif
Vanger	0:b86d15c6ba29	2929
Vanger	0:b86d15c6ba29	2930	/* Hash in A, the Additional Authentication Data */
Vanger	0:b86d15c6ba29	2931	if (aSz != 0 && a != NULL) {
Vanger	0:b86d15c6ba29	2932	word64 bigA[2];
Vanger	0:b86d15c6ba29	2933	blocks = aSz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2934	partial = aSz % AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2935	while (blocks--) {
Vanger	0:b86d15c6ba29	2936	XMEMCPY(bigA, a, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2937	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	2938	ByteReverseWords64(bigA, bigA, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2939	#endif
Vanger	0:b86d15c6ba29	2940	x[0] ^= bigA[0];
Vanger	0:b86d15c6ba29	2941	x[1] ^= bigA[1];
Vanger	0:b86d15c6ba29	2942	GMULT(x, bigH);
Vanger	0:b86d15c6ba29	2943	a += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2944	}
Vanger	0:b86d15c6ba29	2945	if (partial != 0) {
Vanger	0:b86d15c6ba29	2946	XMEMSET(bigA, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2947	XMEMCPY(bigA, a, partial);
Vanger	0:b86d15c6ba29	2948	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	2949	ByteReverseWords64(bigA, bigA, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2950	#endif
Vanger	0:b86d15c6ba29	2951	x[0] ^= bigA[0];
Vanger	0:b86d15c6ba29	2952	x[1] ^= bigA[1];
Vanger	0:b86d15c6ba29	2953	GMULT(x, bigH);
Vanger	0:b86d15c6ba29	2954	}
Vanger	0:b86d15c6ba29	2955	}
Vanger	0:b86d15c6ba29	2956
Vanger	0:b86d15c6ba29	2957	/* Hash in C, the Ciphertext */
Vanger	0:b86d15c6ba29	2958	if (cSz != 0 && c != NULL) {
Vanger	0:b86d15c6ba29	2959	word64 bigC[2];
Vanger	0:b86d15c6ba29	2960	blocks = cSz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2961	partial = cSz % AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2962	while (blocks--) {
Vanger	0:b86d15c6ba29	2963	XMEMCPY(bigC, c, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2964	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	2965	ByteReverseWords64(bigC, bigC, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2966	#endif
Vanger	0:b86d15c6ba29	2967	x[0] ^= bigC[0];
Vanger	0:b86d15c6ba29	2968	x[1] ^= bigC[1];
Vanger	0:b86d15c6ba29	2969	GMULT(x, bigH);
Vanger	0:b86d15c6ba29	2970	c += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	2971	}
Vanger	0:b86d15c6ba29	2972	if (partial != 0) {
Vanger	0:b86d15c6ba29	2973	XMEMSET(bigC, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2974	XMEMCPY(bigC, c, partial);
Vanger	0:b86d15c6ba29	2975	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	2976	ByteReverseWords64(bigC, bigC, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2977	#endif
Vanger	0:b86d15c6ba29	2978	x[0] ^= bigC[0];
Vanger	0:b86d15c6ba29	2979	x[1] ^= bigC[1];
Vanger	0:b86d15c6ba29	2980	GMULT(x, bigH);
Vanger	0:b86d15c6ba29	2981	}
Vanger	0:b86d15c6ba29	2982	}
Vanger	0:b86d15c6ba29	2983
Vanger	0:b86d15c6ba29	2984	/* Hash in the lengths in bits of A and C */
Vanger	0:b86d15c6ba29	2985	{
Vanger	0:b86d15c6ba29	2986	word64 len[2] ;
Vanger	0:b86d15c6ba29	2987	len[0] = aSz ; len[1] = cSz;
Vanger	0:b86d15c6ba29	2988
Vanger	0:b86d15c6ba29	2989	/* Lengths are in bytes. Convert to bits. */
Vanger	0:b86d15c6ba29	2990	len[0] *= 8;
Vanger	0:b86d15c6ba29	2991	len[1] *= 8;
Vanger	0:b86d15c6ba29	2992
Vanger	0:b86d15c6ba29	2993	x[0] ^= len[0];
Vanger	0:b86d15c6ba29	2994	x[1] ^= len[1];
Vanger	0:b86d15c6ba29	2995	GMULT(x, bigH);
Vanger	0:b86d15c6ba29	2996	}
Vanger	0:b86d15c6ba29	2997	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	2998	ByteReverseWords64(x, x, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	2999	#endif
Vanger	0:b86d15c6ba29	3000	XMEMCPY(s, x, sSz);
Vanger	0:b86d15c6ba29	3001	}
Vanger	0:b86d15c6ba29	3002
Vanger	0:b86d15c6ba29	3003	/* end defined(WORD64_AVAILABLE) && !defined(GCM_WORD32) */
Vanger	0:b86d15c6ba29	3004	#else /* GCM_WORD32 */
Vanger	0:b86d15c6ba29	3005
Vanger	0:b86d15c6ba29	3006	static void GMULT(word32* X, word32* Y)
Vanger	0:b86d15c6ba29	3007	{
Vanger	0:b86d15c6ba29	3008	word32 Z[4] = {0,0,0,0};
Vanger	0:b86d15c6ba29	3009	word32 V[4] ;
Vanger	0:b86d15c6ba29	3010	int i, j;
Vanger	0:b86d15c6ba29	3011
Vanger	0:b86d15c6ba29	3012	V[0] = X[0]; V[1] = X[1]; V[2] = X[2]; V[3] = X[3];
Vanger	0:b86d15c6ba29	3013
Vanger	0:b86d15c6ba29	3014	for (i = 0; i < 4; i++)
Vanger	0:b86d15c6ba29	3015	{
Vanger	0:b86d15c6ba29	3016	word32 y = Y[i];
Vanger	0:b86d15c6ba29	3017	for (j = 0; j < 32; j++)
Vanger	0:b86d15c6ba29	3018	{
Vanger	0:b86d15c6ba29	3019	if (y & 0x80000000) {
Vanger	0:b86d15c6ba29	3020	Z[0] ^= V[0];
Vanger	0:b86d15c6ba29	3021	Z[1] ^= V[1];
Vanger	0:b86d15c6ba29	3022	Z[2] ^= V[2];
Vanger	0:b86d15c6ba29	3023	Z[3] ^= V[3];
Vanger	0:b86d15c6ba29	3024	}
Vanger	0:b86d15c6ba29	3025
Vanger	0:b86d15c6ba29	3026	if (V[3] & 0x00000001) {
Vanger	0:b86d15c6ba29	3027	V[3] >>= 1;
Vanger	0:b86d15c6ba29	3028	V[3] \|= ((V[2] & 0x00000001) ? 0x80000000 : 0);
Vanger	0:b86d15c6ba29	3029	V[2] >>= 1;
Vanger	0:b86d15c6ba29	3030	V[2] \|= ((V[1] & 0x00000001) ? 0x80000000 : 0);
Vanger	0:b86d15c6ba29	3031	V[1] >>= 1;
Vanger	0:b86d15c6ba29	3032	V[1] \|= ((V[0] & 0x00000001) ? 0x80000000 : 0);
Vanger	0:b86d15c6ba29	3033	V[0] >>= 1;
Vanger	0:b86d15c6ba29	3034	V[0] ^= 0xE1000000;
Vanger	0:b86d15c6ba29	3035	} else {
Vanger	0:b86d15c6ba29	3036	V[3] >>= 1;
Vanger	0:b86d15c6ba29	3037	V[3] \|= ((V[2] & 0x00000001) ? 0x80000000 : 0);
Vanger	0:b86d15c6ba29	3038	V[2] >>= 1;
Vanger	0:b86d15c6ba29	3039	V[2] \|= ((V[1] & 0x00000001) ? 0x80000000 : 0);
Vanger	0:b86d15c6ba29	3040	V[1] >>= 1;
Vanger	0:b86d15c6ba29	3041	V[1] \|= ((V[0] & 0x00000001) ? 0x80000000 : 0);
Vanger	0:b86d15c6ba29	3042	V[0] >>= 1;
Vanger	0:b86d15c6ba29	3043	}
Vanger	0:b86d15c6ba29	3044	y <<= 1;
Vanger	0:b86d15c6ba29	3045	}
Vanger	0:b86d15c6ba29	3046	}
Vanger	0:b86d15c6ba29	3047	X[0] = Z[0];
Vanger	0:b86d15c6ba29	3048	X[1] = Z[1];
Vanger	0:b86d15c6ba29	3049	X[2] = Z[2];
Vanger	0:b86d15c6ba29	3050	X[3] = Z[3];
Vanger	0:b86d15c6ba29	3051	}
Vanger	0:b86d15c6ba29	3052
Vanger	0:b86d15c6ba29	3053
Vanger	0:b86d15c6ba29	3054	static void GHASH(Aes* aes, const byte* a, word32 aSz,
Vanger	0:b86d15c6ba29	3055	const byte* c, word32 cSz, byte* s, word32 sSz)
Vanger	0:b86d15c6ba29	3056	{
Vanger	0:b86d15c6ba29	3057	word32 x[4] = {0,0,0,0};
Vanger	0:b86d15c6ba29	3058	word32 blocks, partial;
Vanger	0:b86d15c6ba29	3059	word32 bigH[4];
Vanger	0:b86d15c6ba29	3060
Vanger	0:b86d15c6ba29	3061	XMEMCPY(bigH, aes->H, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3062	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	3063	ByteReverseWords(bigH, bigH, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3064	#endif
Vanger	0:b86d15c6ba29	3065
Vanger	0:b86d15c6ba29	3066	/* Hash in A, the Additional Authentication Data */
Vanger	0:b86d15c6ba29	3067	if (aSz != 0 && a != NULL) {
Vanger	0:b86d15c6ba29	3068	word32 bigA[4];
Vanger	0:b86d15c6ba29	3069	blocks = aSz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3070	partial = aSz % AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3071	while (blocks--) {
Vanger	0:b86d15c6ba29	3072	XMEMCPY(bigA, a, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3073	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	3074	ByteReverseWords(bigA, bigA, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3075	#endif
Vanger	0:b86d15c6ba29	3076	x[0] ^= bigA[0];
Vanger	0:b86d15c6ba29	3077	x[1] ^= bigA[1];
Vanger	0:b86d15c6ba29	3078	x[2] ^= bigA[2];
Vanger	0:b86d15c6ba29	3079	x[3] ^= bigA[3];
Vanger	0:b86d15c6ba29	3080	GMULT(x, bigH);
Vanger	0:b86d15c6ba29	3081	a += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3082	}
Vanger	0:b86d15c6ba29	3083	if (partial != 0) {
Vanger	0:b86d15c6ba29	3084	XMEMSET(bigA, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3085	XMEMCPY(bigA, a, partial);
Vanger	0:b86d15c6ba29	3086	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	3087	ByteReverseWords(bigA, bigA, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3088	#endif
Vanger	0:b86d15c6ba29	3089	x[0] ^= bigA[0];
Vanger	0:b86d15c6ba29	3090	x[1] ^= bigA[1];
Vanger	0:b86d15c6ba29	3091	x[2] ^= bigA[2];
Vanger	0:b86d15c6ba29	3092	x[3] ^= bigA[3];
Vanger	0:b86d15c6ba29	3093	GMULT(x, bigH);
Vanger	0:b86d15c6ba29	3094	}
Vanger	0:b86d15c6ba29	3095	}
Vanger	0:b86d15c6ba29	3096
Vanger	0:b86d15c6ba29	3097	/* Hash in C, the Ciphertext */
Vanger	0:b86d15c6ba29	3098	if (cSz != 0 && c != NULL) {
Vanger	0:b86d15c6ba29	3099	word32 bigC[4];
Vanger	0:b86d15c6ba29	3100	blocks = cSz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3101	partial = cSz % AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3102	while (blocks--) {
Vanger	0:b86d15c6ba29	3103	XMEMCPY(bigC, c, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3104	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	3105	ByteReverseWords(bigC, bigC, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3106	#endif
Vanger	0:b86d15c6ba29	3107	x[0] ^= bigC[0];
Vanger	0:b86d15c6ba29	3108	x[1] ^= bigC[1];
Vanger	0:b86d15c6ba29	3109	x[2] ^= bigC[2];
Vanger	0:b86d15c6ba29	3110	x[3] ^= bigC[3];
Vanger	0:b86d15c6ba29	3111	GMULT(x, bigH);
Vanger	0:b86d15c6ba29	3112	c += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3113	}
Vanger	0:b86d15c6ba29	3114	if (partial != 0) {
Vanger	0:b86d15c6ba29	3115	XMEMSET(bigC, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3116	XMEMCPY(bigC, c, partial);
Vanger	0:b86d15c6ba29	3117	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	3118	ByteReverseWords(bigC, bigC, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3119	#endif
Vanger	0:b86d15c6ba29	3120	x[0] ^= bigC[0];
Vanger	0:b86d15c6ba29	3121	x[1] ^= bigC[1];
Vanger	0:b86d15c6ba29	3122	x[2] ^= bigC[2];
Vanger	0:b86d15c6ba29	3123	x[3] ^= bigC[3];
Vanger	0:b86d15c6ba29	3124	GMULT(x, bigH);
Vanger	0:b86d15c6ba29	3125	}
Vanger	0:b86d15c6ba29	3126	}
Vanger	0:b86d15c6ba29	3127
Vanger	0:b86d15c6ba29	3128	/* Hash in the lengths in bits of A and C */
Vanger	0:b86d15c6ba29	3129	{
Vanger	0:b86d15c6ba29	3130	word32 len[4];
Vanger	0:b86d15c6ba29	3131
Vanger	0:b86d15c6ba29	3132	/* Lengths are in bytes. Convert to bits. */
Vanger	0:b86d15c6ba29	3133	len[0] = (aSz >> (8*sizeof(aSz) - 3));
Vanger	0:b86d15c6ba29	3134	len[1] = aSz << 3;
Vanger	0:b86d15c6ba29	3135	len[2] = (cSz >> (8*sizeof(cSz) - 3));
Vanger	0:b86d15c6ba29	3136	len[3] = cSz << 3;
Vanger	0:b86d15c6ba29	3137
Vanger	0:b86d15c6ba29	3138	x[0] ^= len[0];
Vanger	0:b86d15c6ba29	3139	x[1] ^= len[1];
Vanger	0:b86d15c6ba29	3140	x[2] ^= len[2];
Vanger	0:b86d15c6ba29	3141	x[3] ^= len[3];
Vanger	0:b86d15c6ba29	3142	GMULT(x, bigH);
Vanger	0:b86d15c6ba29	3143	}
Vanger	0:b86d15c6ba29	3144	#ifdef LITTLE_ENDIAN_ORDER
Vanger	0:b86d15c6ba29	3145	ByteReverseWords(x, x, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3146	#endif
Vanger	0:b86d15c6ba29	3147	XMEMCPY(s, x, sSz);
Vanger	0:b86d15c6ba29	3148	}
Vanger	0:b86d15c6ba29	3149
Vanger	0:b86d15c6ba29	3150	#endif /* end GCM_WORD32 */
Vanger	0:b86d15c6ba29	3151
Vanger	0:b86d15c6ba29	3152
Vanger	0:b86d15c6ba29	3153	int AesGcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
Vanger	0:b86d15c6ba29	3154	const byte* iv, word32 ivSz,
Vanger	0:b86d15c6ba29	3155	byte* authTag, word32 authTagSz,
Vanger	0:b86d15c6ba29	3156	const byte* authIn, word32 authInSz)
Vanger	0:b86d15c6ba29	3157	{
Vanger	0:b86d15c6ba29	3158	word32 blocks = sz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3159	word32 partial = sz % AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3160	const byte* p = in;
Vanger	0:b86d15c6ba29	3161	byte* c = out;
Vanger	0:b86d15c6ba29	3162	byte counter[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3163	byte *ctr ;
Vanger	0:b86d15c6ba29	3164	byte scratch[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3165
Vanger	0:b86d15c6ba29	3166	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3167	byte* key = (byte*)aes->key;
Vanger	0:b86d15c6ba29	3168	#endif
Vanger	0:b86d15c6ba29	3169
Vanger	0:b86d15c6ba29	3170	CYASSL_ENTER("AesGcmEncrypt");
Vanger	0:b86d15c6ba29	3171
Vanger	0:b86d15c6ba29	3172	#ifdef CYASSL_PIC32MZ_CRYPT
Vanger	0:b86d15c6ba29	3173	ctr = (char *)aes->iv_ce ;
Vanger	0:b86d15c6ba29	3174	#else
Vanger	0:b86d15c6ba29	3175	ctr = counter ;
Vanger	0:b86d15c6ba29	3176	#endif
Vanger	0:b86d15c6ba29	3177
Vanger	0:b86d15c6ba29	3178	XMEMSET(ctr, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3179	XMEMCPY(ctr, iv, ivSz);
Vanger	0:b86d15c6ba29	3180	InitGcmCounter(ctr);
Vanger	0:b86d15c6ba29	3181
Vanger	0:b86d15c6ba29	3182	#ifdef CYASSL_PIC32MZ_CRYPT
Vanger	0:b86d15c6ba29	3183	if(blocks)
Vanger	0:b86d15c6ba29	3184	AesCrypt(aes, out, in, blocks*AES_BLOCK_SIZE,
Vanger	0:b86d15c6ba29	3185	PIC32_ENCRYPTION, PIC32_ALGO_AES, PIC32_CRYPTOALGO_AES_GCM );
Vanger	0:b86d15c6ba29	3186	#endif
Vanger	0:b86d15c6ba29	3187	while (blocks--) {
Vanger	0:b86d15c6ba29	3188	IncrementGcmCounter(ctr);
Vanger	0:b86d15c6ba29	3189	#ifndef CYASSL_PIC32MZ_CRYPT
Vanger	0:b86d15c6ba29	3190	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3191	cau_aes_encrypt(ctr, key, aes->rounds, scratch);
Vanger	0:b86d15c6ba29	3192	#else
Vanger	0:b86d15c6ba29	3193	AesEncrypt(aes, ctr, scratch);
Vanger	0:b86d15c6ba29	3194	#endif
Vanger	0:b86d15c6ba29	3195	xorbuf(scratch, p, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3196	XMEMCPY(c, scratch, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3197	#endif
Vanger	0:b86d15c6ba29	3198	p += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3199	c += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3200	}
Vanger	0:b86d15c6ba29	3201
Vanger	0:b86d15c6ba29	3202	if (partial != 0) {
Vanger	0:b86d15c6ba29	3203	IncrementGcmCounter(ctr);
Vanger	0:b86d15c6ba29	3204	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3205	cau_aes_encrypt(ctr, key, aes->rounds, scratch);
Vanger	0:b86d15c6ba29	3206	#else
Vanger	0:b86d15c6ba29	3207	AesEncrypt(aes, ctr, scratch);
Vanger	0:b86d15c6ba29	3208	#endif
Vanger	0:b86d15c6ba29	3209	xorbuf(scratch, p, partial);
Vanger	0:b86d15c6ba29	3210	XMEMCPY(c, scratch, partial);
Vanger	0:b86d15c6ba29	3211
Vanger	0:b86d15c6ba29	3212	}
Vanger	0:b86d15c6ba29	3213
Vanger	0:b86d15c6ba29	3214	GHASH(aes, authIn, authInSz, out, sz, authTag, authTagSz);
Vanger	0:b86d15c6ba29	3215	InitGcmCounter(ctr);
Vanger	0:b86d15c6ba29	3216	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3217	cau_aes_encrypt(ctr, key, aes->rounds, scratch);
Vanger	0:b86d15c6ba29	3218	#else
Vanger	0:b86d15c6ba29	3219	AesEncrypt(aes, ctr, scratch);
Vanger	0:b86d15c6ba29	3220	#endif
Vanger	0:b86d15c6ba29	3221	xorbuf(authTag, scratch, authTagSz);
Vanger	0:b86d15c6ba29	3222
Vanger	0:b86d15c6ba29	3223	return 0;
Vanger	0:b86d15c6ba29	3224	}
Vanger	0:b86d15c6ba29	3225
Vanger	0:b86d15c6ba29	3226
Vanger	0:b86d15c6ba29	3227	int AesGcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
Vanger	0:b86d15c6ba29	3228	const byte* iv, word32 ivSz,
Vanger	0:b86d15c6ba29	3229	const byte* authTag, word32 authTagSz,
Vanger	0:b86d15c6ba29	3230	const byte* authIn, word32 authInSz)
Vanger	0:b86d15c6ba29	3231	{
Vanger	0:b86d15c6ba29	3232	word32 blocks = sz / AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3233	word32 partial = sz % AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3234	const byte* c = in;
Vanger	0:b86d15c6ba29	3235	byte* p = out;
Vanger	0:b86d15c6ba29	3236	byte counter[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3237	byte *ctr ;
Vanger	0:b86d15c6ba29	3238	byte scratch[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3239
Vanger	0:b86d15c6ba29	3240	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3241	byte* key = (byte*)aes->key;
Vanger	0:b86d15c6ba29	3242	#endif
Vanger	0:b86d15c6ba29	3243
Vanger	0:b86d15c6ba29	3244	CYASSL_ENTER("AesGcmDecrypt");
Vanger	0:b86d15c6ba29	3245
Vanger	0:b86d15c6ba29	3246	#ifdef CYASSL_PIC32MZ_CRYPT
Vanger	0:b86d15c6ba29	3247	ctr = (char *)aes->iv_ce ;
Vanger	0:b86d15c6ba29	3248	#else
Vanger	0:b86d15c6ba29	3249	ctr = counter ;
Vanger	0:b86d15c6ba29	3250	#endif
Vanger	0:b86d15c6ba29	3251
Vanger	0:b86d15c6ba29	3252	XMEMSET(ctr, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3253	XMEMCPY(ctr, iv, ivSz);
Vanger	0:b86d15c6ba29	3254	InitGcmCounter(ctr);
Vanger	0:b86d15c6ba29	3255
Vanger	0:b86d15c6ba29	3256	/* Calculate the authTag again using the received auth data and the
Vanger	0:b86d15c6ba29	3257	* cipher text. */
Vanger	0:b86d15c6ba29	3258	{
Vanger	0:b86d15c6ba29	3259	byte Tprime[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3260	byte EKY0[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3261
Vanger	0:b86d15c6ba29	3262	GHASH(aes, authIn, authInSz, in, sz, Tprime, sizeof(Tprime));
Vanger	0:b86d15c6ba29	3263	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3264	cau_aes_encrypt(ctr, key, aes->rounds, EKY0);
Vanger	0:b86d15c6ba29	3265	#else
Vanger	0:b86d15c6ba29	3266	AesEncrypt(aes, ctr, EKY0);
Vanger	0:b86d15c6ba29	3267	#endif
Vanger	0:b86d15c6ba29	3268	xorbuf(Tprime, EKY0, sizeof(Tprime));
Vanger	0:b86d15c6ba29	3269
Vanger	0:b86d15c6ba29	3270	if (XMEMCMP(authTag, Tprime, authTagSz) != 0) {
Vanger	0:b86d15c6ba29	3271	return AES_GCM_AUTH_E;
Vanger	0:b86d15c6ba29	3272	}
Vanger	0:b86d15c6ba29	3273	}
Vanger	0:b86d15c6ba29	3274
Vanger	0:b86d15c6ba29	3275	#ifdef CYASSL_PIC32MZ_CRYPT
Vanger	0:b86d15c6ba29	3276	if(blocks)
Vanger	0:b86d15c6ba29	3277	AesCrypt(aes, out, in, blocks*AES_BLOCK_SIZE,
Vanger	0:b86d15c6ba29	3278	PIC32_DECRYPTION, PIC32_ALGO_AES, PIC32_CRYPTOALGO_AES_GCM );
Vanger	0:b86d15c6ba29	3279	#endif
Vanger	0:b86d15c6ba29	3280
Vanger	0:b86d15c6ba29	3281	while (blocks--) {
Vanger	0:b86d15c6ba29	3282	IncrementGcmCounter(ctr);
Vanger	0:b86d15c6ba29	3283	#ifndef CYASSL_PIC32MZ_CRYPT
Vanger	0:b86d15c6ba29	3284	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3285	cau_aes_encrypt(ctr, key, aes->rounds, scratch);
Vanger	0:b86d15c6ba29	3286	#else
Vanger	0:b86d15c6ba29	3287	AesEncrypt(aes, ctr, scratch);
Vanger	0:b86d15c6ba29	3288	#endif
Vanger	0:b86d15c6ba29	3289	xorbuf(scratch, c, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3290	XMEMCPY(p, scratch, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3291	#endif
Vanger	0:b86d15c6ba29	3292	p += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3293	c += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3294	}
Vanger	0:b86d15c6ba29	3295	if (partial != 0) {
Vanger	0:b86d15c6ba29	3296	IncrementGcmCounter(ctr);
Vanger	0:b86d15c6ba29	3297	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3298	cau_aes_encrypt(ctr, key, aes->rounds, scratch);
Vanger	0:b86d15c6ba29	3299	#else
Vanger	0:b86d15c6ba29	3300	AesEncrypt(aes, ctr, scratch);
Vanger	0:b86d15c6ba29	3301	#endif
Vanger	0:b86d15c6ba29	3302	xorbuf(scratch, c, partial);
Vanger	0:b86d15c6ba29	3303	XMEMCPY(p, scratch, partial);
Vanger	0:b86d15c6ba29	3304	}
Vanger	0:b86d15c6ba29	3305	return 0;
Vanger	0:b86d15c6ba29	3306	}
Vanger	0:b86d15c6ba29	3307
Vanger	0:b86d15c6ba29	3308
Vanger	0:b86d15c6ba29	3309
Vanger	0:b86d15c6ba29	3310	CYASSL_API int GmacSetKey(Gmac* gmac, const byte* key, word32 len)
Vanger	0:b86d15c6ba29	3311	{
Vanger	0:b86d15c6ba29	3312	return AesGcmSetKey(&gmac->aes, key, len);
Vanger	0:b86d15c6ba29	3313	}
Vanger	0:b86d15c6ba29	3314
Vanger	0:b86d15c6ba29	3315
Vanger	0:b86d15c6ba29	3316	CYASSL_API int GmacUpdate(Gmac* gmac, const byte* iv, word32 ivSz,
Vanger	0:b86d15c6ba29	3317	const byte* authIn, word32 authInSz,
Vanger	0:b86d15c6ba29	3318	byte* authTag, word32 authTagSz)
Vanger	0:b86d15c6ba29	3319	{
Vanger	0:b86d15c6ba29	3320	return AesGcmEncrypt(&gmac->aes, NULL, NULL, 0, iv, ivSz,
Vanger	0:b86d15c6ba29	3321	authTag, authTagSz, authIn, authInSz);
Vanger	0:b86d15c6ba29	3322	}
Vanger	0:b86d15c6ba29	3323
Vanger	0:b86d15c6ba29	3324	#endif /* HAVE_AESGCM */
Vanger	0:b86d15c6ba29	3325
Vanger	0:b86d15c6ba29	3326
Vanger	0:b86d15c6ba29	3327	#ifdef HAVE_AESCCM
Vanger	0:b86d15c6ba29	3328
Vanger	0:b86d15c6ba29	3329	#ifdef STM32F2_CRYPTO
Vanger	0:b86d15c6ba29	3330	#error "STM32F2 crypto doesn't currently support AES-CCM mode"
Vanger	0:b86d15c6ba29	3331
Vanger	0:b86d15c6ba29	3332	#elif defined(HAVE_COLDFIRE_SEC)
Vanger	0:b86d15c6ba29	3333	#error "Coldfire SEC doesn't currently support AES-CCM mode"
Vanger	0:b86d15c6ba29	3334
Vanger	0:b86d15c6ba29	3335	#elif defined(CYASSL_PIC32MZ_CRYPT)
Vanger	0:b86d15c6ba29	3336	#error "PIC32MZ doesn't currently support AES-CCM mode"
Vanger	0:b86d15c6ba29	3337
Vanger	0:b86d15c6ba29	3338	#endif
Vanger	0:b86d15c6ba29	3339
Vanger	0:b86d15c6ba29	3340	void AesCcmSetKey(Aes* aes, const byte* key, word32 keySz)
Vanger	0:b86d15c6ba29	3341	{
Vanger	0:b86d15c6ba29	3342	byte nonce[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3343
Vanger	0:b86d15c6ba29	3344	if (!((keySz == 16) \|\| (keySz == 24) \|\| (keySz == 32)))
Vanger	0:b86d15c6ba29	3345	return;
Vanger	0:b86d15c6ba29	3346
Vanger	0:b86d15c6ba29	3347	XMEMSET(nonce, 0, sizeof(nonce));
Vanger	0:b86d15c6ba29	3348	AesSetKey(aes, key, keySz, nonce, AES_ENCRYPTION);
Vanger	0:b86d15c6ba29	3349	}
Vanger	0:b86d15c6ba29	3350
Vanger	0:b86d15c6ba29	3351
Vanger	0:b86d15c6ba29	3352	static void roll_x(Aes* aes, const byte* in, word32 inSz, byte* out)
Vanger	0:b86d15c6ba29	3353	{
Vanger	0:b86d15c6ba29	3354	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3355	byte* key = (byte*)aes->key;
Vanger	0:b86d15c6ba29	3356	#endif
Vanger	0:b86d15c6ba29	3357
Vanger	0:b86d15c6ba29	3358	/* process the bulk of the data */
Vanger	0:b86d15c6ba29	3359	while (inSz >= AES_BLOCK_SIZE) {
Vanger	0:b86d15c6ba29	3360	xorbuf(out, in, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3361	in += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3362	inSz -= AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3363
Vanger	0:b86d15c6ba29	3364	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3365	cau_aes_encrypt(out, key, aes->rounds, out);
Vanger	0:b86d15c6ba29	3366	#else
Vanger	0:b86d15c6ba29	3367	AesEncrypt(aes, out, out);
Vanger	0:b86d15c6ba29	3368	#endif
Vanger	0:b86d15c6ba29	3369	}
Vanger	0:b86d15c6ba29	3370
Vanger	0:b86d15c6ba29	3371	/* process remainder of the data */
Vanger	0:b86d15c6ba29	3372	if (inSz > 0) {
Vanger	0:b86d15c6ba29	3373	xorbuf(out, in, inSz);
Vanger	0:b86d15c6ba29	3374	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3375	cau_aes_encrypt(out, key, aes->rounds, out);
Vanger	0:b86d15c6ba29	3376	#else
Vanger	0:b86d15c6ba29	3377	AesEncrypt(aes, out, out);
Vanger	0:b86d15c6ba29	3378	#endif
Vanger	0:b86d15c6ba29	3379	}
Vanger	0:b86d15c6ba29	3380	}
Vanger	0:b86d15c6ba29	3381
Vanger	0:b86d15c6ba29	3382
Vanger	0:b86d15c6ba29	3383	static void roll_auth(Aes* aes, const byte* in, word32 inSz, byte* out)
Vanger	0:b86d15c6ba29	3384	{
Vanger	0:b86d15c6ba29	3385	word32 authLenSz;
Vanger	0:b86d15c6ba29	3386	word32 remainder;
Vanger	0:b86d15c6ba29	3387
Vanger	0:b86d15c6ba29	3388	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3389	byte* key = (byte*)aes->key;
Vanger	0:b86d15c6ba29	3390	#endif
Vanger	0:b86d15c6ba29	3391
Vanger	0:b86d15c6ba29	3392	/* encode the length in */
Vanger	0:b86d15c6ba29	3393	if (inSz <= 0xFEFF) {
Vanger	0:b86d15c6ba29	3394	authLenSz = 2;
Vanger	0:b86d15c6ba29	3395	out[0] ^= ((inSz & 0xFF00) >> 8);
Vanger	0:b86d15c6ba29	3396	out[1] ^= (inSz & 0x00FF);
Vanger	0:b86d15c6ba29	3397	}
Vanger	0:b86d15c6ba29	3398	else if (inSz <= 0xFFFFFFFF) {
Vanger	0:b86d15c6ba29	3399	authLenSz = 6;
Vanger	0:b86d15c6ba29	3400	out[0] ^= 0xFF; out[1] ^= 0xFE;
Vanger	0:b86d15c6ba29	3401	out[2] ^= ((inSz & 0xFF000000) >> 24);
Vanger	0:b86d15c6ba29	3402	out[3] ^= ((inSz & 0x00FF0000) >> 16);
Vanger	0:b86d15c6ba29	3403	out[4] ^= ((inSz & 0x0000FF00) >> 8);
Vanger	0:b86d15c6ba29	3404	out[5] ^= (inSz & 0x000000FF);
Vanger	0:b86d15c6ba29	3405	}
Vanger	0:b86d15c6ba29	3406	/* Note, the protocol handles auth data up to 2^64, but we are
Vanger	0:b86d15c6ba29	3407	* using 32-bit sizes right now, so the bigger data isn't handled
Vanger	0:b86d15c6ba29	3408	* else if (inSz <= 0xFFFFFFFFFFFFFFFF) {} */
Vanger	0:b86d15c6ba29	3409	else
Vanger	0:b86d15c6ba29	3410	return;
Vanger	0:b86d15c6ba29	3411
Vanger	0:b86d15c6ba29	3412	/* start fill out the rest of the first block */
Vanger	0:b86d15c6ba29	3413	remainder = AES_BLOCK_SIZE - authLenSz;
Vanger	0:b86d15c6ba29	3414	if (inSz >= remainder) {
Vanger	0:b86d15c6ba29	3415	/* plenty of bulk data to fill the remainder of this block */
Vanger	0:b86d15c6ba29	3416	xorbuf(out + authLenSz, in, remainder);
Vanger	0:b86d15c6ba29	3417	inSz -= remainder;
Vanger	0:b86d15c6ba29	3418	in += remainder;
Vanger	0:b86d15c6ba29	3419	}
Vanger	0:b86d15c6ba29	3420	else {
Vanger	0:b86d15c6ba29	3421	/* not enough bulk data, copy what is available, and pad zero */
Vanger	0:b86d15c6ba29	3422	xorbuf(out + authLenSz, in, inSz);
Vanger	0:b86d15c6ba29	3423	inSz = 0;
Vanger	0:b86d15c6ba29	3424	}
Vanger	0:b86d15c6ba29	3425	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3426	cau_aes_encrypt(out, key, aes->rounds, out);
Vanger	0:b86d15c6ba29	3427	#else
Vanger	0:b86d15c6ba29	3428	AesEncrypt(aes, out, out);
Vanger	0:b86d15c6ba29	3429	#endif
Vanger	0:b86d15c6ba29	3430
Vanger	0:b86d15c6ba29	3431	if (inSz > 0)
Vanger	0:b86d15c6ba29	3432	roll_x(aes, in, inSz, out);
Vanger	0:b86d15c6ba29	3433	}
Vanger	0:b86d15c6ba29	3434
Vanger	0:b86d15c6ba29	3435
Vanger	0:b86d15c6ba29	3436	static INLINE void AesCcmCtrInc(byte* B, word32 lenSz)
Vanger	0:b86d15c6ba29	3437	{
Vanger	0:b86d15c6ba29	3438	word32 i;
Vanger	0:b86d15c6ba29	3439
Vanger	0:b86d15c6ba29	3440	for (i = 0; i < lenSz; i++) {
Vanger	0:b86d15c6ba29	3441	if (++B[AES_BLOCK_SIZE - 1 - i] != 0) return;
Vanger	0:b86d15c6ba29	3442	}
Vanger	0:b86d15c6ba29	3443	}
Vanger	0:b86d15c6ba29	3444
Vanger	0:b86d15c6ba29	3445
Vanger	0:b86d15c6ba29	3446	void AesCcmEncrypt(Aes* aes, byte* out, const byte* in, word32 inSz,
Vanger	0:b86d15c6ba29	3447	const byte* nonce, word32 nonceSz,
Vanger	0:b86d15c6ba29	3448	byte* authTag, word32 authTagSz,
Vanger	0:b86d15c6ba29	3449	const byte* authIn, word32 authInSz)
Vanger	0:b86d15c6ba29	3450	{
Vanger	0:b86d15c6ba29	3451	byte A[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3452	byte B[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3453	byte lenSz;
Vanger	0:b86d15c6ba29	3454	word32 i;
Vanger	0:b86d15c6ba29	3455
Vanger	0:b86d15c6ba29	3456	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3457	byte* key = (byte*)aes->key;
Vanger	0:b86d15c6ba29	3458	#endif
Vanger	0:b86d15c6ba29	3459
Vanger	0:b86d15c6ba29	3460	XMEMCPY(B+1, nonce, nonceSz);
Vanger	0:b86d15c6ba29	3461	lenSz = AES_BLOCK_SIZE - 1 - (byte)nonceSz;
Vanger	0:b86d15c6ba29	3462	B[0] = (authInSz > 0 ? 64 : 0)
Vanger	0:b86d15c6ba29	3463	+ (8 * (((byte)authTagSz - 2) / 2))
Vanger	0:b86d15c6ba29	3464	+ (lenSz - 1);
Vanger	0:b86d15c6ba29	3465	for (i = 0; i < lenSz; i++)
Vanger	0:b86d15c6ba29	3466	B[AES_BLOCK_SIZE - 1 - i] = (inSz >> (8 * i)) & 0xFF;
Vanger	0:b86d15c6ba29	3467
Vanger	0:b86d15c6ba29	3468	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3469	cau_aes_encrypt(B, key, aes->rounds, A);
Vanger	0:b86d15c6ba29	3470	#else
Vanger	0:b86d15c6ba29	3471	AesEncrypt(aes, B, A);
Vanger	0:b86d15c6ba29	3472	#endif
Vanger	0:b86d15c6ba29	3473	if (authInSz > 0)
Vanger	0:b86d15c6ba29	3474	roll_auth(aes, authIn, authInSz, A);
Vanger	0:b86d15c6ba29	3475	if (inSz > 0)
Vanger	0:b86d15c6ba29	3476	roll_x(aes, in, inSz, A);
Vanger	0:b86d15c6ba29	3477	XMEMCPY(authTag, A, authTagSz);
Vanger	0:b86d15c6ba29	3478
Vanger	0:b86d15c6ba29	3479	B[0] = lenSz - 1;
Vanger	0:b86d15c6ba29	3480	for (i = 0; i < lenSz; i++)
Vanger	0:b86d15c6ba29	3481	B[AES_BLOCK_SIZE - 1 - i] = 0;
Vanger	0:b86d15c6ba29	3482	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3483	cau_aes_encrypt(B, key, aes->rounds, A);
Vanger	0:b86d15c6ba29	3484	#else
Vanger	0:b86d15c6ba29	3485	AesEncrypt(aes, B, A);
Vanger	0:b86d15c6ba29	3486	#endif
Vanger	0:b86d15c6ba29	3487	xorbuf(authTag, A, authTagSz);
Vanger	0:b86d15c6ba29	3488
Vanger	0:b86d15c6ba29	3489	B[15] = 1;
Vanger	0:b86d15c6ba29	3490	while (inSz >= AES_BLOCK_SIZE) {
Vanger	0:b86d15c6ba29	3491	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3492	cau_aes_encrypt(B, key, aes->rounds, A);
Vanger	0:b86d15c6ba29	3493	#else
Vanger	0:b86d15c6ba29	3494	AesEncrypt(aes, B, A);
Vanger	0:b86d15c6ba29	3495	#endif
Vanger	0:b86d15c6ba29	3496	xorbuf(A, in, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3497	XMEMCPY(out, A, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3498
Vanger	0:b86d15c6ba29	3499	AesCcmCtrInc(B, lenSz);
Vanger	0:b86d15c6ba29	3500	inSz -= AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3501	in += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3502	out += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3503	}
Vanger	0:b86d15c6ba29	3504	if (inSz > 0) {
Vanger	0:b86d15c6ba29	3505	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3506	cau_aes_encrypt(B, key, aes->rounds, A);
Vanger	0:b86d15c6ba29	3507	#else
Vanger	0:b86d15c6ba29	3508	AesEncrypt(aes, B, A);
Vanger	0:b86d15c6ba29	3509	#endif
Vanger	0:b86d15c6ba29	3510	xorbuf(A, in, inSz);
Vanger	0:b86d15c6ba29	3511	XMEMCPY(out, A, inSz);
Vanger	0:b86d15c6ba29	3512	}
Vanger	0:b86d15c6ba29	3513
Vanger	0:b86d15c6ba29	3514	XMEMSET(A, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3515	XMEMSET(B, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3516	}
Vanger	0:b86d15c6ba29	3517
Vanger	0:b86d15c6ba29	3518
Vanger	0:b86d15c6ba29	3519	int AesCcmDecrypt(Aes* aes, byte* out, const byte* in, word32 inSz,
Vanger	0:b86d15c6ba29	3520	const byte* nonce, word32 nonceSz,
Vanger	0:b86d15c6ba29	3521	const byte* authTag, word32 authTagSz,
Vanger	0:b86d15c6ba29	3522	const byte* authIn, word32 authInSz)
Vanger	0:b86d15c6ba29	3523	{
Vanger	0:b86d15c6ba29	3524	byte A[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3525	byte B[AES_BLOCK_SIZE];
Vanger	0:b86d15c6ba29	3526	byte* o;
Vanger	0:b86d15c6ba29	3527	byte lenSz;
Vanger	0:b86d15c6ba29	3528	word32 i, oSz;
Vanger	0:b86d15c6ba29	3529	int result = 0;
Vanger	0:b86d15c6ba29	3530
Vanger	0:b86d15c6ba29	3531	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3532	byte* key = (byte*)aes->key;
Vanger	0:b86d15c6ba29	3533	#endif
Vanger	0:b86d15c6ba29	3534
Vanger	0:b86d15c6ba29	3535	o = out;
Vanger	0:b86d15c6ba29	3536	oSz = inSz;
Vanger	0:b86d15c6ba29	3537	XMEMCPY(B+1, nonce, nonceSz);
Vanger	0:b86d15c6ba29	3538	lenSz = AES_BLOCK_SIZE - 1 - (byte)nonceSz;
Vanger	0:b86d15c6ba29	3539
Vanger	0:b86d15c6ba29	3540	B[0] = lenSz - 1;
Vanger	0:b86d15c6ba29	3541	for (i = 0; i < lenSz; i++)
Vanger	0:b86d15c6ba29	3542	B[AES_BLOCK_SIZE - 1 - i] = 0;
Vanger	0:b86d15c6ba29	3543	B[15] = 1;
Vanger	0:b86d15c6ba29	3544
Vanger	0:b86d15c6ba29	3545	while (oSz >= AES_BLOCK_SIZE) {
Vanger	0:b86d15c6ba29	3546	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3547	cau_aes_encrypt(B, key, aes->rounds, A);
Vanger	0:b86d15c6ba29	3548	#else
Vanger	0:b86d15c6ba29	3549	AesEncrypt(aes, B, A);
Vanger	0:b86d15c6ba29	3550	#endif
Vanger	0:b86d15c6ba29	3551	xorbuf(A, in, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3552	XMEMCPY(o, A, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3553
Vanger	0:b86d15c6ba29	3554	AesCcmCtrInc(B, lenSz);
Vanger	0:b86d15c6ba29	3555	oSz -= AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3556	in += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3557	o += AES_BLOCK_SIZE;
Vanger	0:b86d15c6ba29	3558	}
Vanger	0:b86d15c6ba29	3559	if (inSz > 0) {
Vanger	0:b86d15c6ba29	3560	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3561	cau_aes_encrypt(B, key, aes->rounds, A);
Vanger	0:b86d15c6ba29	3562	#else
Vanger	0:b86d15c6ba29	3563	AesEncrypt(aes, B, A);
Vanger	0:b86d15c6ba29	3564	#endif
Vanger	0:b86d15c6ba29	3565	xorbuf(A, in, oSz);
Vanger	0:b86d15c6ba29	3566	XMEMCPY(o, A, oSz);
Vanger	0:b86d15c6ba29	3567	}
Vanger	0:b86d15c6ba29	3568
Vanger	0:b86d15c6ba29	3569	for (i = 0; i < lenSz; i++)
Vanger	0:b86d15c6ba29	3570	B[AES_BLOCK_SIZE - 1 - i] = 0;
Vanger	0:b86d15c6ba29	3571	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3572	cau_aes_encrypt(B, key, aes->rounds, A);
Vanger	0:b86d15c6ba29	3573	#else
Vanger	0:b86d15c6ba29	3574	AesEncrypt(aes, B, A);
Vanger	0:b86d15c6ba29	3575	#endif
Vanger	0:b86d15c6ba29	3576
Vanger	0:b86d15c6ba29	3577	o = out;
Vanger	0:b86d15c6ba29	3578	oSz = inSz;
Vanger	0:b86d15c6ba29	3579
Vanger	0:b86d15c6ba29	3580	B[0] = (authInSz > 0 ? 64 : 0)
Vanger	0:b86d15c6ba29	3581	+ (8 * (((byte)authTagSz - 2) / 2))
Vanger	0:b86d15c6ba29	3582	+ (lenSz - 1);
Vanger	0:b86d15c6ba29	3583	for (i = 0; i < lenSz; i++)
Vanger	0:b86d15c6ba29	3584	B[AES_BLOCK_SIZE - 1 - i] = (inSz >> (8 * i)) & 0xFF;
Vanger	0:b86d15c6ba29	3585
Vanger	0:b86d15c6ba29	3586	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3587	cau_aes_encrypt(B, key, aes->rounds, A);
Vanger	0:b86d15c6ba29	3588	#else
Vanger	0:b86d15c6ba29	3589	AesEncrypt(aes, B, A);
Vanger	0:b86d15c6ba29	3590	#endif
Vanger	0:b86d15c6ba29	3591	if (authInSz > 0)
Vanger	0:b86d15c6ba29	3592	roll_auth(aes, authIn, authInSz, A);
Vanger	0:b86d15c6ba29	3593	if (inSz > 0)
Vanger	0:b86d15c6ba29	3594	roll_x(aes, o, oSz, A);
Vanger	0:b86d15c6ba29	3595
Vanger	0:b86d15c6ba29	3596	B[0] = lenSz - 1;
Vanger	0:b86d15c6ba29	3597	for (i = 0; i < lenSz; i++)
Vanger	0:b86d15c6ba29	3598	B[AES_BLOCK_SIZE - 1 - i] = 0;
Vanger	0:b86d15c6ba29	3599	#ifdef FREESCALE_MMCAU
Vanger	0:b86d15c6ba29	3600	cau_aes_encrypt(B, key, aes->rounds, B);
Vanger	0:b86d15c6ba29	3601	#else
Vanger	0:b86d15c6ba29	3602	AesEncrypt(aes, B, B);
Vanger	0:b86d15c6ba29	3603	#endif
Vanger	0:b86d15c6ba29	3604	xorbuf(A, B, authTagSz);
Vanger	0:b86d15c6ba29	3605
Vanger	0:b86d15c6ba29	3606	if (XMEMCMP(A, authTag, authTagSz) != 0) {
Vanger	0:b86d15c6ba29	3607	/* If the authTag check fails, don't keep the decrypted data.
Vanger	0:b86d15c6ba29	3608	* Unfortunately, you need the decrypted data to calculate the
Vanger	0:b86d15c6ba29	3609	* check value. */
Vanger	0:b86d15c6ba29	3610	XMEMSET(out, 0, inSz);
Vanger	0:b86d15c6ba29	3611	result = AES_CCM_AUTH_E;
Vanger	0:b86d15c6ba29	3612	}
Vanger	0:b86d15c6ba29	3613
Vanger	0:b86d15c6ba29	3614	XMEMSET(A, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3615	XMEMSET(B, 0, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3616	o = NULL;
Vanger	0:b86d15c6ba29	3617
Vanger	0:b86d15c6ba29	3618	return result;
Vanger	0:b86d15c6ba29	3619	}
Vanger	0:b86d15c6ba29	3620
Vanger	0:b86d15c6ba29	3621	#endif /* HAVE_AESCCM */
Vanger	0:b86d15c6ba29	3622
Vanger	0:b86d15c6ba29	3623
Vanger	0:b86d15c6ba29	3624	#ifdef HAVE_CAVIUM
Vanger	0:b86d15c6ba29	3625
Vanger	0:b86d15c6ba29	3626	#include <cyassl/ctaocrypt/logging.h>
Vanger	0:b86d15c6ba29	3627	#include "cavium_common.h"
Vanger	0:b86d15c6ba29	3628
Vanger	0:b86d15c6ba29	3629	/* Initiliaze Aes for use with Nitrox device */
Vanger	0:b86d15c6ba29	3630	int AesInitCavium(Aes* aes, int devId)
Vanger	0:b86d15c6ba29	3631	{
Vanger	0:b86d15c6ba29	3632	if (aes == NULL)
Vanger	0:b86d15c6ba29	3633	return -1;
Vanger	0:b86d15c6ba29	3634
Vanger	0:b86d15c6ba29	3635	if (CspAllocContext(CONTEXT_SSL, &aes->contextHandle, devId) != 0)
Vanger	0:b86d15c6ba29	3636	return -1;
Vanger	0:b86d15c6ba29	3637
Vanger	0:b86d15c6ba29	3638	aes->devId = devId;
Vanger	0:b86d15c6ba29	3639	aes->magic = CYASSL_AES_CAVIUM_MAGIC;
Vanger	0:b86d15c6ba29	3640
Vanger	0:b86d15c6ba29	3641	return 0;
Vanger	0:b86d15c6ba29	3642	}
Vanger	0:b86d15c6ba29	3643
Vanger	0:b86d15c6ba29	3644
Vanger	0:b86d15c6ba29	3645	/* Free Aes from use with Nitrox device */
Vanger	0:b86d15c6ba29	3646	void AesFreeCavium(Aes* aes)
Vanger	0:b86d15c6ba29	3647	{
Vanger	0:b86d15c6ba29	3648	if (aes == NULL)
Vanger	0:b86d15c6ba29	3649	return;
Vanger	0:b86d15c6ba29	3650
Vanger	0:b86d15c6ba29	3651	if (aes->magic != CYASSL_AES_CAVIUM_MAGIC)
Vanger	0:b86d15c6ba29	3652	return;
Vanger	0:b86d15c6ba29	3653
Vanger	0:b86d15c6ba29	3654	CspFreeContext(CONTEXT_SSL, aes->contextHandle, aes->devId);
Vanger	0:b86d15c6ba29	3655	aes->magic = 0;
Vanger	0:b86d15c6ba29	3656	}
Vanger	0:b86d15c6ba29	3657
Vanger	0:b86d15c6ba29	3658
Vanger	0:b86d15c6ba29	3659	static int AesCaviumSetKey(Aes* aes, const byte* key, word32 length,
Vanger	0:b86d15c6ba29	3660	const byte* iv)
Vanger	0:b86d15c6ba29	3661	{
Vanger	0:b86d15c6ba29	3662	if (aes == NULL)
Vanger	0:b86d15c6ba29	3663	return -1;
Vanger	0:b86d15c6ba29	3664
Vanger	0:b86d15c6ba29	3665	XMEMCPY(aes->key, key, length); /* key still holds key, iv still in reg */
Vanger	0:b86d15c6ba29	3666	if (length == 16)
Vanger	0:b86d15c6ba29	3667	aes->type = AES_128;
Vanger	0:b86d15c6ba29	3668	else if (length == 24)
Vanger	0:b86d15c6ba29	3669	aes->type = AES_192;
Vanger	0:b86d15c6ba29	3670	else if (length == 32)
Vanger	0:b86d15c6ba29	3671	aes->type = AES_256;
Vanger	0:b86d15c6ba29	3672
Vanger	0:b86d15c6ba29	3673	return AesSetIV(aes, iv);
Vanger	0:b86d15c6ba29	3674	}
Vanger	0:b86d15c6ba29	3675
Vanger	0:b86d15c6ba29	3676
Vanger	0:b86d15c6ba29	3677	static int AesCaviumCbcEncrypt(Aes* aes, byte* out, const byte* in,
Vanger	0:b86d15c6ba29	3678	word32 length)
Vanger	0:b86d15c6ba29	3679	{
Vanger	0:b86d15c6ba29	3680	cyassl_word offset = 0;
Vanger	0:b86d15c6ba29	3681	word32 requestId;
Vanger	0:b86d15c6ba29	3682
Vanger	0:b86d15c6ba29	3683	while (length > CYASSL_MAX_16BIT) {
Vanger	0:b86d15c6ba29	3684	word16 slen = (word16)CYASSL_MAX_16BIT;
Vanger	0:b86d15c6ba29	3685	if (CspEncryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
Vanger	0:b86d15c6ba29	3686	aes->type, slen, (byte*)in + offset, out + offset,
Vanger	0:b86d15c6ba29	3687	(byte)aes->reg, (byte)aes->key, &requestId,
Vanger	0:b86d15c6ba29	3688	aes->devId) != 0) {
Vanger	0:b86d15c6ba29	3689	CYASSL_MSG("Bad Cavium Aes Encrypt");
Vanger	0:b86d15c6ba29	3690	return -1;
Vanger	0:b86d15c6ba29	3691	}
Vanger	0:b86d15c6ba29	3692	length -= CYASSL_MAX_16BIT;
Vanger	0:b86d15c6ba29	3693	offset += CYASSL_MAX_16BIT;
Vanger	0:b86d15c6ba29	3694	XMEMCPY(aes->reg, out + offset - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3695	}
Vanger	0:b86d15c6ba29	3696	if (length) {
Vanger	0:b86d15c6ba29	3697	word16 slen = (word16)length;
Vanger	0:b86d15c6ba29	3698	if (CspEncryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
Vanger	0:b86d15c6ba29	3699	aes->type, slen, (byte*)in + offset, out + offset,
Vanger	0:b86d15c6ba29	3700	(byte)aes->reg, (byte)aes->key, &requestId,
Vanger	0:b86d15c6ba29	3701	aes->devId) != 0) {
Vanger	0:b86d15c6ba29	3702	CYASSL_MSG("Bad Cavium Aes Encrypt");
Vanger	0:b86d15c6ba29	3703	return -1;
Vanger	0:b86d15c6ba29	3704	}
Vanger	0:b86d15c6ba29	3705	XMEMCPY(aes->reg, out + offset+length - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3706	}
Vanger	0:b86d15c6ba29	3707	return 0;
Vanger	0:b86d15c6ba29	3708	}
Vanger	0:b86d15c6ba29	3709
Vanger	0:b86d15c6ba29	3710	static int AesCaviumCbcDecrypt(Aes* aes, byte* out, const byte* in,
Vanger	0:b86d15c6ba29	3711	word32 length)
Vanger	0:b86d15c6ba29	3712	{
Vanger	0:b86d15c6ba29	3713	word32 requestId;
Vanger	0:b86d15c6ba29	3714	cyassl_word offset = 0;
Vanger	0:b86d15c6ba29	3715
Vanger	0:b86d15c6ba29	3716	while (length > CYASSL_MAX_16BIT) {
Vanger	0:b86d15c6ba29	3717	word16 slen = (word16)CYASSL_MAX_16BIT;
Vanger	0:b86d15c6ba29	3718	XMEMCPY(aes->tmp, in + offset + slen - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3719	if (CspDecryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
Vanger	0:b86d15c6ba29	3720	aes->type, slen, (byte*)in + offset, out + offset,
Vanger	0:b86d15c6ba29	3721	(byte)aes->reg, (byte)aes->key, &requestId,
Vanger	0:b86d15c6ba29	3722	aes->devId) != 0) {
Vanger	0:b86d15c6ba29	3723	CYASSL_MSG("Bad Cavium Aes Decrypt");
Vanger	0:b86d15c6ba29	3724	return -1;
Vanger	0:b86d15c6ba29	3725	}
Vanger	0:b86d15c6ba29	3726	length -= CYASSL_MAX_16BIT;
Vanger	0:b86d15c6ba29	3727	offset += CYASSL_MAX_16BIT;
Vanger	0:b86d15c6ba29	3728	XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3729	}
Vanger	0:b86d15c6ba29	3730	if (length) {
Vanger	0:b86d15c6ba29	3731	word16 slen = (word16)length;
Vanger	0:b86d15c6ba29	3732	XMEMCPY(aes->tmp, in + offset + slen - AES_BLOCK_SIZE, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3733	if (CspDecryptAes(CAVIUM_BLOCKING, aes->contextHandle, CAVIUM_NO_UPDATE,
Vanger	0:b86d15c6ba29	3734	aes->type, slen, (byte*)in + offset, out + offset,
Vanger	0:b86d15c6ba29	3735	(byte)aes->reg, (byte)aes->key, &requestId,
Vanger	0:b86d15c6ba29	3736	aes->devId) != 0) {
Vanger	0:b86d15c6ba29	3737	CYASSL_MSG("Bad Cavium Aes Decrypt");
Vanger	0:b86d15c6ba29	3738	return -1;
Vanger	0:b86d15c6ba29	3739	}
Vanger	0:b86d15c6ba29	3740	XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE);
Vanger	0:b86d15c6ba29	3741	}
Vanger	0:b86d15c6ba29	3742	return 0;
Vanger	0:b86d15c6ba29	3743	}
Vanger	0:b86d15c6ba29	3744
Vanger	0:b86d15c6ba29	3745	#endif /* HAVE_CAVIUM */
Vanger	0:b86d15c6ba29	3746
Vanger	0:b86d15c6ba29	3747	#endif /* NO_AES */
Vanger	0:b86d15c6ba29	3748

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Type:	Library
Created:	27 Mar 2015
Imports:	27
Forks:	0
Commits:	7
Dependents:	4
Dependencies:	0
Followers:	87

ctaocrypt/src/aes.c@6:cf58d49e1a86, 2015-03-23 (annotated)

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