Example_RTOS - Rtos API example

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Rtos API example

mbed-os/features/mbedtls/src/aes.c@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:: marcozecchini
Date:: Sat Feb 23 12:13:36 2019 +0000
Revision:: 0:9fca2b23d0ba

final commit

Who changed what in which revision?

User	Revision	Line number	New contents of line
marcozecchini	0:9fca2b23d0ba	1	/*
marcozecchini	0:9fca2b23d0ba	2	* FIPS-197 compliant AES implementation
marcozecchini	0:9fca2b23d0ba	3	*
marcozecchini	0:9fca2b23d0ba	4	* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
marcozecchini	0:9fca2b23d0ba	5	* SPDX-License-Identifier: Apache-2.0
marcozecchini	0:9fca2b23d0ba	6	*
marcozecchini	0:9fca2b23d0ba	7	* Licensed under the Apache License, Version 2.0 (the "License"); you may
marcozecchini	0:9fca2b23d0ba	8	* not use this file except in compliance with the License.
marcozecchini	0:9fca2b23d0ba	9	* You may obtain a copy of the License at
marcozecchini	0:9fca2b23d0ba	10	*
marcozecchini	0:9fca2b23d0ba	11	* http://www.apache.org/licenses/LICENSE-2.0
marcozecchini	0:9fca2b23d0ba	12	*
marcozecchini	0:9fca2b23d0ba	13	* Unless required by applicable law or agreed to in writing, software
marcozecchini	0:9fca2b23d0ba	14	* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
marcozecchini	0:9fca2b23d0ba	15	* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini	0:9fca2b23d0ba	16	* See the License for the specific language governing permissions and
marcozecchini	0:9fca2b23d0ba	17	* limitations under the License.
marcozecchini	0:9fca2b23d0ba	18	*
marcozecchini	0:9fca2b23d0ba	19	* This file is part of mbed TLS (https://tls.mbed.org)
marcozecchini	0:9fca2b23d0ba	20	*/
marcozecchini	0:9fca2b23d0ba	21	/*
marcozecchini	0:9fca2b23d0ba	22	* The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
marcozecchini	0:9fca2b23d0ba	23	*
marcozecchini	0:9fca2b23d0ba	24	* http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
marcozecchini	0:9fca2b23d0ba	25	* http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
marcozecchini	0:9fca2b23d0ba	26	*/
marcozecchini	0:9fca2b23d0ba	27
marcozecchini	0:9fca2b23d0ba	28	#if !defined(MBEDTLS_CONFIG_FILE)
marcozecchini	0:9fca2b23d0ba	29	#include "mbedtls/config.h"
marcozecchini	0:9fca2b23d0ba	30	#else
marcozecchini	0:9fca2b23d0ba	31	#include MBEDTLS_CONFIG_FILE
marcozecchini	0:9fca2b23d0ba	32	#endif
marcozecchini	0:9fca2b23d0ba	33
marcozecchini	0:9fca2b23d0ba	34	#if defined(MBEDTLS_AES_C)
marcozecchini	0:9fca2b23d0ba	35
marcozecchini	0:9fca2b23d0ba	36	#include <string.h>
marcozecchini	0:9fca2b23d0ba	37
marcozecchini	0:9fca2b23d0ba	38	#include "mbedtls/aes.h"
marcozecchini	0:9fca2b23d0ba	39	#if defined(MBEDTLS_PADLOCK_C)
marcozecchini	0:9fca2b23d0ba	40	#include "mbedtls/padlock.h"
marcozecchini	0:9fca2b23d0ba	41	#endif
marcozecchini	0:9fca2b23d0ba	42	#if defined(MBEDTLS_AESNI_C)
marcozecchini	0:9fca2b23d0ba	43	#include "mbedtls/aesni.h"
marcozecchini	0:9fca2b23d0ba	44	#endif
marcozecchini	0:9fca2b23d0ba	45
marcozecchini	0:9fca2b23d0ba	46	#if defined(MBEDTLS_SELF_TEST)
marcozecchini	0:9fca2b23d0ba	47	#if defined(MBEDTLS_PLATFORM_C)
marcozecchini	0:9fca2b23d0ba	48	#include "mbedtls/platform.h"
marcozecchini	0:9fca2b23d0ba	49	#else
marcozecchini	0:9fca2b23d0ba	50	#include <stdio.h>
marcozecchini	0:9fca2b23d0ba	51	#define mbedtls_printf printf
marcozecchini	0:9fca2b23d0ba	52	#endif /* MBEDTLS_PLATFORM_C */
marcozecchini	0:9fca2b23d0ba	53	#endif /* MBEDTLS_SELF_TEST */
marcozecchini	0:9fca2b23d0ba	54
marcozecchini	0:9fca2b23d0ba	55	#if !defined(MBEDTLS_AES_ALT)
marcozecchini	0:9fca2b23d0ba	56
marcozecchini	0:9fca2b23d0ba	57	/* Implementation that should never be optimized out by the compiler */
marcozecchini	0:9fca2b23d0ba	58	static void mbedtls_zeroize( void *v, size_t n ) {
marcozecchini	0:9fca2b23d0ba	59	volatile unsigned char p = (unsigned char)v; while( n-- ) *p++ = 0;
marcozecchini	0:9fca2b23d0ba	60	}
marcozecchini	0:9fca2b23d0ba	61
marcozecchini	0:9fca2b23d0ba	62	/*
marcozecchini	0:9fca2b23d0ba	63	* 32-bit integer manipulation macros (little endian)
marcozecchini	0:9fca2b23d0ba	64	*/
marcozecchini	0:9fca2b23d0ba	65	#ifndef GET_UINT32_LE
marcozecchini	0:9fca2b23d0ba	66	#define GET_UINT32_LE(n,b,i) \
marcozecchini	0:9fca2b23d0ba	67	{ \
marcozecchini	0:9fca2b23d0ba	68	(n) = ( (uint32_t) (b)[(i) ] ) \
marcozecchini	0:9fca2b23d0ba	69	\| ( (uint32_t) (b)[(i) + 1] << 8 ) \
marcozecchini	0:9fca2b23d0ba	70	\| ( (uint32_t) (b)[(i) + 2] << 16 ) \
marcozecchini	0:9fca2b23d0ba	71	\| ( (uint32_t) (b)[(i) + 3] << 24 ); \
marcozecchini	0:9fca2b23d0ba	72	}
marcozecchini	0:9fca2b23d0ba	73	#endif
marcozecchini	0:9fca2b23d0ba	74
marcozecchini	0:9fca2b23d0ba	75	#ifndef PUT_UINT32_LE
marcozecchini	0:9fca2b23d0ba	76	#define PUT_UINT32_LE(n,b,i) \
marcozecchini	0:9fca2b23d0ba	77	{ \
marcozecchini	0:9fca2b23d0ba	78	(b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
marcozecchini	0:9fca2b23d0ba	79	(b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
marcozecchini	0:9fca2b23d0ba	80	(b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
marcozecchini	0:9fca2b23d0ba	81	(b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
marcozecchini	0:9fca2b23d0ba	82	}
marcozecchini	0:9fca2b23d0ba	83	#endif
marcozecchini	0:9fca2b23d0ba	84
marcozecchini	0:9fca2b23d0ba	85	#if defined(MBEDTLS_PADLOCK_C) && \
marcozecchini	0:9fca2b23d0ba	86	( defined(MBEDTLS_HAVE_X86) \|\| defined(MBEDTLS_PADLOCK_ALIGN16) )
marcozecchini	0:9fca2b23d0ba	87	static int aes_padlock_ace = -1;
marcozecchini	0:9fca2b23d0ba	88	#endif
marcozecchini	0:9fca2b23d0ba	89
marcozecchini	0:9fca2b23d0ba	90	#if defined(MBEDTLS_AES_ROM_TABLES)
marcozecchini	0:9fca2b23d0ba	91	/*
marcozecchini	0:9fca2b23d0ba	92	* Forward S-box
marcozecchini	0:9fca2b23d0ba	93	*/
marcozecchini	0:9fca2b23d0ba	94	static const unsigned char FSb[256] =
marcozecchini	0:9fca2b23d0ba	95	{
marcozecchini	0:9fca2b23d0ba	96	0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
marcozecchini	0:9fca2b23d0ba	97	0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
marcozecchini	0:9fca2b23d0ba	98	0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
marcozecchini	0:9fca2b23d0ba	99	0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
marcozecchini	0:9fca2b23d0ba	100	0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
marcozecchini	0:9fca2b23d0ba	101	0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
marcozecchini	0:9fca2b23d0ba	102	0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
marcozecchini	0:9fca2b23d0ba	103	0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
marcozecchini	0:9fca2b23d0ba	104	0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
marcozecchini	0:9fca2b23d0ba	105	0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
marcozecchini	0:9fca2b23d0ba	106	0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
marcozecchini	0:9fca2b23d0ba	107	0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
marcozecchini	0:9fca2b23d0ba	108	0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
marcozecchini	0:9fca2b23d0ba	109	0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
marcozecchini	0:9fca2b23d0ba	110	0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
marcozecchini	0:9fca2b23d0ba	111	0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
marcozecchini	0:9fca2b23d0ba	112	0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
marcozecchini	0:9fca2b23d0ba	113	0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
marcozecchini	0:9fca2b23d0ba	114	0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
marcozecchini	0:9fca2b23d0ba	115	0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
marcozecchini	0:9fca2b23d0ba	116	0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
marcozecchini	0:9fca2b23d0ba	117	0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
marcozecchini	0:9fca2b23d0ba	118	0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
marcozecchini	0:9fca2b23d0ba	119	0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
marcozecchini	0:9fca2b23d0ba	120	0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
marcozecchini	0:9fca2b23d0ba	121	0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
marcozecchini	0:9fca2b23d0ba	122	0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
marcozecchini	0:9fca2b23d0ba	123	0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
marcozecchini	0:9fca2b23d0ba	124	0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
marcozecchini	0:9fca2b23d0ba	125	0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
marcozecchini	0:9fca2b23d0ba	126	0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
marcozecchini	0:9fca2b23d0ba	127	0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
marcozecchini	0:9fca2b23d0ba	128	};
marcozecchini	0:9fca2b23d0ba	129
marcozecchini	0:9fca2b23d0ba	130	/*
marcozecchini	0:9fca2b23d0ba	131	* Forward tables
marcozecchini	0:9fca2b23d0ba	132	*/
marcozecchini	0:9fca2b23d0ba	133	#define FT \
marcozecchini	0:9fca2b23d0ba	134	\
marcozecchini	0:9fca2b23d0ba	135	V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \
marcozecchini	0:9fca2b23d0ba	136	V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \
marcozecchini	0:9fca2b23d0ba	137	V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \
marcozecchini	0:9fca2b23d0ba	138	V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \
marcozecchini	0:9fca2b23d0ba	139	V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \
marcozecchini	0:9fca2b23d0ba	140	V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \
marcozecchini	0:9fca2b23d0ba	141	V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \
marcozecchini	0:9fca2b23d0ba	142	V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \
marcozecchini	0:9fca2b23d0ba	143	V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \
marcozecchini	0:9fca2b23d0ba	144	V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \
marcozecchini	0:9fca2b23d0ba	145	V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \
marcozecchini	0:9fca2b23d0ba	146	V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \
marcozecchini	0:9fca2b23d0ba	147	V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \
marcozecchini	0:9fca2b23d0ba	148	V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \
marcozecchini	0:9fca2b23d0ba	149	V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \
marcozecchini	0:9fca2b23d0ba	150	V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \
marcozecchini	0:9fca2b23d0ba	151	V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \
marcozecchini	0:9fca2b23d0ba	152	V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \
marcozecchini	0:9fca2b23d0ba	153	V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \
marcozecchini	0:9fca2b23d0ba	154	V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \
marcozecchini	0:9fca2b23d0ba	155	V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \
marcozecchini	0:9fca2b23d0ba	156	V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \
marcozecchini	0:9fca2b23d0ba	157	V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \
marcozecchini	0:9fca2b23d0ba	158	V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \
marcozecchini	0:9fca2b23d0ba	159	V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \
marcozecchini	0:9fca2b23d0ba	160	V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \
marcozecchini	0:9fca2b23d0ba	161	V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \
marcozecchini	0:9fca2b23d0ba	162	V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \
marcozecchini	0:9fca2b23d0ba	163	V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \
marcozecchini	0:9fca2b23d0ba	164	V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \
marcozecchini	0:9fca2b23d0ba	165	V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \
marcozecchini	0:9fca2b23d0ba	166	V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \
marcozecchini	0:9fca2b23d0ba	167	V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \
marcozecchini	0:9fca2b23d0ba	168	V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \
marcozecchini	0:9fca2b23d0ba	169	V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \
marcozecchini	0:9fca2b23d0ba	170	V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \
marcozecchini	0:9fca2b23d0ba	171	V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \
marcozecchini	0:9fca2b23d0ba	172	V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \
marcozecchini	0:9fca2b23d0ba	173	V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \
marcozecchini	0:9fca2b23d0ba	174	V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \
marcozecchini	0:9fca2b23d0ba	175	V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \
marcozecchini	0:9fca2b23d0ba	176	V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \
marcozecchini	0:9fca2b23d0ba	177	V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \
marcozecchini	0:9fca2b23d0ba	178	V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \
marcozecchini	0:9fca2b23d0ba	179	V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \
marcozecchini	0:9fca2b23d0ba	180	V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \
marcozecchini	0:9fca2b23d0ba	181	V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \
marcozecchini	0:9fca2b23d0ba	182	V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \
marcozecchini	0:9fca2b23d0ba	183	V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \
marcozecchini	0:9fca2b23d0ba	184	V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \
marcozecchini	0:9fca2b23d0ba	185	V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \
marcozecchini	0:9fca2b23d0ba	186	V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \
marcozecchini	0:9fca2b23d0ba	187	V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \
marcozecchini	0:9fca2b23d0ba	188	V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \
marcozecchini	0:9fca2b23d0ba	189	V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \
marcozecchini	0:9fca2b23d0ba	190	V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \
marcozecchini	0:9fca2b23d0ba	191	V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \
marcozecchini	0:9fca2b23d0ba	192	V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \
marcozecchini	0:9fca2b23d0ba	193	V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \
marcozecchini	0:9fca2b23d0ba	194	V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \
marcozecchini	0:9fca2b23d0ba	195	V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \
marcozecchini	0:9fca2b23d0ba	196	V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \
marcozecchini	0:9fca2b23d0ba	197	V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \
marcozecchini	0:9fca2b23d0ba	198	V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C)
marcozecchini	0:9fca2b23d0ba	199
marcozecchini	0:9fca2b23d0ba	200	#define V(a,b,c,d) 0x##a##b##c##d
marcozecchini	0:9fca2b23d0ba	201	static const uint32_t FT0[256] = { FT };
marcozecchini	0:9fca2b23d0ba	202	#undef V
marcozecchini	0:9fca2b23d0ba	203
marcozecchini	0:9fca2b23d0ba	204	#define V(a,b,c,d) 0x##b##c##d##a
marcozecchini	0:9fca2b23d0ba	205	static const uint32_t FT1[256] = { FT };
marcozecchini	0:9fca2b23d0ba	206	#undef V
marcozecchini	0:9fca2b23d0ba	207
marcozecchini	0:9fca2b23d0ba	208	#define V(a,b,c,d) 0x##c##d##a##b
marcozecchini	0:9fca2b23d0ba	209	static const uint32_t FT2[256] = { FT };
marcozecchini	0:9fca2b23d0ba	210	#undef V
marcozecchini	0:9fca2b23d0ba	211
marcozecchini	0:9fca2b23d0ba	212	#define V(a,b,c,d) 0x##d##a##b##c
marcozecchini	0:9fca2b23d0ba	213	static const uint32_t FT3[256] = { FT };
marcozecchini	0:9fca2b23d0ba	214	#undef V
marcozecchini	0:9fca2b23d0ba	215
marcozecchini	0:9fca2b23d0ba	216	#undef FT
marcozecchini	0:9fca2b23d0ba	217
marcozecchini	0:9fca2b23d0ba	218	/*
marcozecchini	0:9fca2b23d0ba	219	* Reverse S-box
marcozecchini	0:9fca2b23d0ba	220	*/
marcozecchini	0:9fca2b23d0ba	221	static const unsigned char RSb[256] =
marcozecchini	0:9fca2b23d0ba	222	{
marcozecchini	0:9fca2b23d0ba	223	0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
marcozecchini	0:9fca2b23d0ba	224	0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
marcozecchini	0:9fca2b23d0ba	225	0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
marcozecchini	0:9fca2b23d0ba	226	0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
marcozecchini	0:9fca2b23d0ba	227	0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
marcozecchini	0:9fca2b23d0ba	228	0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
marcozecchini	0:9fca2b23d0ba	229	0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
marcozecchini	0:9fca2b23d0ba	230	0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
marcozecchini	0:9fca2b23d0ba	231	0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
marcozecchini	0:9fca2b23d0ba	232	0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
marcozecchini	0:9fca2b23d0ba	233	0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
marcozecchini	0:9fca2b23d0ba	234	0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
marcozecchini	0:9fca2b23d0ba	235	0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
marcozecchini	0:9fca2b23d0ba	236	0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
marcozecchini	0:9fca2b23d0ba	237	0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
marcozecchini	0:9fca2b23d0ba	238	0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
marcozecchini	0:9fca2b23d0ba	239	0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
marcozecchini	0:9fca2b23d0ba	240	0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
marcozecchini	0:9fca2b23d0ba	241	0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
marcozecchini	0:9fca2b23d0ba	242	0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
marcozecchini	0:9fca2b23d0ba	243	0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
marcozecchini	0:9fca2b23d0ba	244	0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
marcozecchini	0:9fca2b23d0ba	245	0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
marcozecchini	0:9fca2b23d0ba	246	0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
marcozecchini	0:9fca2b23d0ba	247	0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
marcozecchini	0:9fca2b23d0ba	248	0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
marcozecchini	0:9fca2b23d0ba	249	0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
marcozecchini	0:9fca2b23d0ba	250	0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
marcozecchini	0:9fca2b23d0ba	251	0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
marcozecchini	0:9fca2b23d0ba	252	0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
marcozecchini	0:9fca2b23d0ba	253	0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
marcozecchini	0:9fca2b23d0ba	254	0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
marcozecchini	0:9fca2b23d0ba	255	};
marcozecchini	0:9fca2b23d0ba	256
marcozecchini	0:9fca2b23d0ba	257	/*
marcozecchini	0:9fca2b23d0ba	258	* Reverse tables
marcozecchini	0:9fca2b23d0ba	259	*/
marcozecchini	0:9fca2b23d0ba	260	#define RT \
marcozecchini	0:9fca2b23d0ba	261	\
marcozecchini	0:9fca2b23d0ba	262	V(50,A7,F4,51), V(53,65,41,7E), V(C3,A4,17,1A), V(96,5E,27,3A), \
marcozecchini	0:9fca2b23d0ba	263	V(CB,6B,AB,3B), V(F1,45,9D,1F), V(AB,58,FA,AC), V(93,03,E3,4B), \
marcozecchini	0:9fca2b23d0ba	264	V(55,FA,30,20), V(F6,6D,76,AD), V(91,76,CC,88), V(25,4C,02,F5), \
marcozecchini	0:9fca2b23d0ba	265	V(FC,D7,E5,4F), V(D7,CB,2A,C5), V(80,44,35,26), V(8F,A3,62,B5), \
marcozecchini	0:9fca2b23d0ba	266	V(49,5A,B1,DE), V(67,1B,BA,25), V(98,0E,EA,45), V(E1,C0,FE,5D), \
marcozecchini	0:9fca2b23d0ba	267	V(02,75,2F,C3), V(12,F0,4C,81), V(A3,97,46,8D), V(C6,F9,D3,6B), \
marcozecchini	0:9fca2b23d0ba	268	V(E7,5F,8F,03), V(95,9C,92,15), V(EB,7A,6D,BF), V(DA,59,52,95), \
marcozecchini	0:9fca2b23d0ba	269	V(2D,83,BE,D4), V(D3,21,74,58), V(29,69,E0,49), V(44,C8,C9,8E), \
marcozecchini	0:9fca2b23d0ba	270	V(6A,89,C2,75), V(78,79,8E,F4), V(6B,3E,58,99), V(DD,71,B9,27), \
marcozecchini	0:9fca2b23d0ba	271	V(B6,4F,E1,BE), V(17,AD,88,F0), V(66,AC,20,C9), V(B4,3A,CE,7D), \
marcozecchini	0:9fca2b23d0ba	272	V(18,4A,DF,63), V(82,31,1A,E5), V(60,33,51,97), V(45,7F,53,62), \
marcozecchini	0:9fca2b23d0ba	273	V(E0,77,64,B1), V(84,AE,6B,BB), V(1C,A0,81,FE), V(94,2B,08,F9), \
marcozecchini	0:9fca2b23d0ba	274	V(58,68,48,70), V(19,FD,45,8F), V(87,6C,DE,94), V(B7,F8,7B,52), \
marcozecchini	0:9fca2b23d0ba	275	V(23,D3,73,AB), V(E2,02,4B,72), V(57,8F,1F,E3), V(2A,AB,55,66), \
marcozecchini	0:9fca2b23d0ba	276	V(07,28,EB,B2), V(03,C2,B5,2F), V(9A,7B,C5,86), V(A5,08,37,D3), \
marcozecchini	0:9fca2b23d0ba	277	V(F2,87,28,30), V(B2,A5,BF,23), V(BA,6A,03,02), V(5C,82,16,ED), \
marcozecchini	0:9fca2b23d0ba	278	V(2B,1C,CF,8A), V(92,B4,79,A7), V(F0,F2,07,F3), V(A1,E2,69,4E), \
marcozecchini	0:9fca2b23d0ba	279	V(CD,F4,DA,65), V(D5,BE,05,06), V(1F,62,34,D1), V(8A,FE,A6,C4), \
marcozecchini	0:9fca2b23d0ba	280	V(9D,53,2E,34), V(A0,55,F3,A2), V(32,E1,8A,05), V(75,EB,F6,A4), \
marcozecchini	0:9fca2b23d0ba	281	V(39,EC,83,0B), V(AA,EF,60,40), V(06,9F,71,5E), V(51,10,6E,BD), \
marcozecchini	0:9fca2b23d0ba	282	V(F9,8A,21,3E), V(3D,06,DD,96), V(AE,05,3E,DD), V(46,BD,E6,4D), \
marcozecchini	0:9fca2b23d0ba	283	V(B5,8D,54,91), V(05,5D,C4,71), V(6F,D4,06,04), V(FF,15,50,60), \
marcozecchini	0:9fca2b23d0ba	284	V(24,FB,98,19), V(97,E9,BD,D6), V(CC,43,40,89), V(77,9E,D9,67), \
marcozecchini	0:9fca2b23d0ba	285	V(BD,42,E8,B0), V(88,8B,89,07), V(38,5B,19,E7), V(DB,EE,C8,79), \
marcozecchini	0:9fca2b23d0ba	286	V(47,0A,7C,A1), V(E9,0F,42,7C), V(C9,1E,84,F8), V(00,00,00,00), \
marcozecchini	0:9fca2b23d0ba	287	V(83,86,80,09), V(48,ED,2B,32), V(AC,70,11,1E), V(4E,72,5A,6C), \
marcozecchini	0:9fca2b23d0ba	288	V(FB,FF,0E,FD), V(56,38,85,0F), V(1E,D5,AE,3D), V(27,39,2D,36), \
marcozecchini	0:9fca2b23d0ba	289	V(64,D9,0F,0A), V(21,A6,5C,68), V(D1,54,5B,9B), V(3A,2E,36,24), \
marcozecchini	0:9fca2b23d0ba	290	V(B1,67,0A,0C), V(0F,E7,57,93), V(D2,96,EE,B4), V(9E,91,9B,1B), \
marcozecchini	0:9fca2b23d0ba	291	V(4F,C5,C0,80), V(A2,20,DC,61), V(69,4B,77,5A), V(16,1A,12,1C), \
marcozecchini	0:9fca2b23d0ba	292	V(0A,BA,93,E2), V(E5,2A,A0,C0), V(43,E0,22,3C), V(1D,17,1B,12), \
marcozecchini	0:9fca2b23d0ba	293	V(0B,0D,09,0E), V(AD,C7,8B,F2), V(B9,A8,B6,2D), V(C8,A9,1E,14), \
marcozecchini	0:9fca2b23d0ba	294	V(85,19,F1,57), V(4C,07,75,AF), V(BB,DD,99,EE), V(FD,60,7F,A3), \
marcozecchini	0:9fca2b23d0ba	295	V(9F,26,01,F7), V(BC,F5,72,5C), V(C5,3B,66,44), V(34,7E,FB,5B), \
marcozecchini	0:9fca2b23d0ba	296	V(76,29,43,8B), V(DC,C6,23,CB), V(68,FC,ED,B6), V(63,F1,E4,B8), \
marcozecchini	0:9fca2b23d0ba	297	V(CA,DC,31,D7), V(10,85,63,42), V(40,22,97,13), V(20,11,C6,84), \
marcozecchini	0:9fca2b23d0ba	298	V(7D,24,4A,85), V(F8,3D,BB,D2), V(11,32,F9,AE), V(6D,A1,29,C7), \
marcozecchini	0:9fca2b23d0ba	299	V(4B,2F,9E,1D), V(F3,30,B2,DC), V(EC,52,86,0D), V(D0,E3,C1,77), \
marcozecchini	0:9fca2b23d0ba	300	V(6C,16,B3,2B), V(99,B9,70,A9), V(FA,48,94,11), V(22,64,E9,47), \
marcozecchini	0:9fca2b23d0ba	301	V(C4,8C,FC,A8), V(1A,3F,F0,A0), V(D8,2C,7D,56), V(EF,90,33,22), \
marcozecchini	0:9fca2b23d0ba	302	V(C7,4E,49,87), V(C1,D1,38,D9), V(FE,A2,CA,8C), V(36,0B,D4,98), \
marcozecchini	0:9fca2b23d0ba	303	V(CF,81,F5,A6), V(28,DE,7A,A5), V(26,8E,B7,DA), V(A4,BF,AD,3F), \
marcozecchini	0:9fca2b23d0ba	304	V(E4,9D,3A,2C), V(0D,92,78,50), V(9B,CC,5F,6A), V(62,46,7E,54), \
marcozecchini	0:9fca2b23d0ba	305	V(C2,13,8D,F6), V(E8,B8,D8,90), V(5E,F7,39,2E), V(F5,AF,C3,82), \
marcozecchini	0:9fca2b23d0ba	306	V(BE,80,5D,9F), V(7C,93,D0,69), V(A9,2D,D5,6F), V(B3,12,25,CF), \
marcozecchini	0:9fca2b23d0ba	307	V(3B,99,AC,C8), V(A7,7D,18,10), V(6E,63,9C,E8), V(7B,BB,3B,DB), \
marcozecchini	0:9fca2b23d0ba	308	V(09,78,26,CD), V(F4,18,59,6E), V(01,B7,9A,EC), V(A8,9A,4F,83), \
marcozecchini	0:9fca2b23d0ba	309	V(65,6E,95,E6), V(7E,E6,FF,AA), V(08,CF,BC,21), V(E6,E8,15,EF), \
marcozecchini	0:9fca2b23d0ba	310	V(D9,9B,E7,BA), V(CE,36,6F,4A), V(D4,09,9F,EA), V(D6,7C,B0,29), \
marcozecchini	0:9fca2b23d0ba	311	V(AF,B2,A4,31), V(31,23,3F,2A), V(30,94,A5,C6), V(C0,66,A2,35), \
marcozecchini	0:9fca2b23d0ba	312	V(37,BC,4E,74), V(A6,CA,82,FC), V(B0,D0,90,E0), V(15,D8,A7,33), \
marcozecchini	0:9fca2b23d0ba	313	V(4A,98,04,F1), V(F7,DA,EC,41), V(0E,50,CD,7F), V(2F,F6,91,17), \
marcozecchini	0:9fca2b23d0ba	314	V(8D,D6,4D,76), V(4D,B0,EF,43), V(54,4D,AA,CC), V(DF,04,96,E4), \
marcozecchini	0:9fca2b23d0ba	315	V(E3,B5,D1,9E), V(1B,88,6A,4C), V(B8,1F,2C,C1), V(7F,51,65,46), \
marcozecchini	0:9fca2b23d0ba	316	V(04,EA,5E,9D), V(5D,35,8C,01), V(73,74,87,FA), V(2E,41,0B,FB), \
marcozecchini	0:9fca2b23d0ba	317	V(5A,1D,67,B3), V(52,D2,DB,92), V(33,56,10,E9), V(13,47,D6,6D), \
marcozecchini	0:9fca2b23d0ba	318	V(8C,61,D7,9A), V(7A,0C,A1,37), V(8E,14,F8,59), V(89,3C,13,EB), \
marcozecchini	0:9fca2b23d0ba	319	V(EE,27,A9,CE), V(35,C9,61,B7), V(ED,E5,1C,E1), V(3C,B1,47,7A), \
marcozecchini	0:9fca2b23d0ba	320	V(59,DF,D2,9C), V(3F,73,F2,55), V(79,CE,14,18), V(BF,37,C7,73), \
marcozecchini	0:9fca2b23d0ba	321	V(EA,CD,F7,53), V(5B,AA,FD,5F), V(14,6F,3D,DF), V(86,DB,44,78), \
marcozecchini	0:9fca2b23d0ba	322	V(81,F3,AF,CA), V(3E,C4,68,B9), V(2C,34,24,38), V(5F,40,A3,C2), \
marcozecchini	0:9fca2b23d0ba	323	V(72,C3,1D,16), V(0C,25,E2,BC), V(8B,49,3C,28), V(41,95,0D,FF), \
marcozecchini	0:9fca2b23d0ba	324	V(71,01,A8,39), V(DE,B3,0C,08), V(9C,E4,B4,D8), V(90,C1,56,64), \
marcozecchini	0:9fca2b23d0ba	325	V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0)
marcozecchini	0:9fca2b23d0ba	326
marcozecchini	0:9fca2b23d0ba	327	#define V(a,b,c,d) 0x##a##b##c##d
marcozecchini	0:9fca2b23d0ba	328	static const uint32_t RT0[256] = { RT };
marcozecchini	0:9fca2b23d0ba	329	#undef V
marcozecchini	0:9fca2b23d0ba	330
marcozecchini	0:9fca2b23d0ba	331	#define V(a,b,c,d) 0x##b##c##d##a
marcozecchini	0:9fca2b23d0ba	332	static const uint32_t RT1[256] = { RT };
marcozecchini	0:9fca2b23d0ba	333	#undef V
marcozecchini	0:9fca2b23d0ba	334
marcozecchini	0:9fca2b23d0ba	335	#define V(a,b,c,d) 0x##c##d##a##b
marcozecchini	0:9fca2b23d0ba	336	static const uint32_t RT2[256] = { RT };
marcozecchini	0:9fca2b23d0ba	337	#undef V
marcozecchini	0:9fca2b23d0ba	338
marcozecchini	0:9fca2b23d0ba	339	#define V(a,b,c,d) 0x##d##a##b##c
marcozecchini	0:9fca2b23d0ba	340	static const uint32_t RT3[256] = { RT };
marcozecchini	0:9fca2b23d0ba	341	#undef V
marcozecchini	0:9fca2b23d0ba	342
marcozecchini	0:9fca2b23d0ba	343	#undef RT
marcozecchini	0:9fca2b23d0ba	344
marcozecchini	0:9fca2b23d0ba	345	/*
marcozecchini	0:9fca2b23d0ba	346	* Round constants
marcozecchini	0:9fca2b23d0ba	347	*/
marcozecchini	0:9fca2b23d0ba	348	static const uint32_t RCON[10] =
marcozecchini	0:9fca2b23d0ba	349	{
marcozecchini	0:9fca2b23d0ba	350	0x00000001, 0x00000002, 0x00000004, 0x00000008,
marcozecchini	0:9fca2b23d0ba	351	0x00000010, 0x00000020, 0x00000040, 0x00000080,
marcozecchini	0:9fca2b23d0ba	352	0x0000001B, 0x00000036
marcozecchini	0:9fca2b23d0ba	353	};
marcozecchini	0:9fca2b23d0ba	354
marcozecchini	0:9fca2b23d0ba	355	#else /* MBEDTLS_AES_ROM_TABLES */
marcozecchini	0:9fca2b23d0ba	356
marcozecchini	0:9fca2b23d0ba	357	/*
marcozecchini	0:9fca2b23d0ba	358	* Forward S-box & tables
marcozecchini	0:9fca2b23d0ba	359	*/
marcozecchini	0:9fca2b23d0ba	360	static unsigned char FSb[256];
marcozecchini	0:9fca2b23d0ba	361	static uint32_t FT0[256];
marcozecchini	0:9fca2b23d0ba	362	static uint32_t FT1[256];
marcozecchini	0:9fca2b23d0ba	363	static uint32_t FT2[256];
marcozecchini	0:9fca2b23d0ba	364	static uint32_t FT3[256];
marcozecchini	0:9fca2b23d0ba	365
marcozecchini	0:9fca2b23d0ba	366	/*
marcozecchini	0:9fca2b23d0ba	367	* Reverse S-box & tables
marcozecchini	0:9fca2b23d0ba	368	*/
marcozecchini	0:9fca2b23d0ba	369	static unsigned char RSb[256];
marcozecchini	0:9fca2b23d0ba	370	static uint32_t RT0[256];
marcozecchini	0:9fca2b23d0ba	371	static uint32_t RT1[256];
marcozecchini	0:9fca2b23d0ba	372	static uint32_t RT2[256];
marcozecchini	0:9fca2b23d0ba	373	static uint32_t RT3[256];
marcozecchini	0:9fca2b23d0ba	374
marcozecchini	0:9fca2b23d0ba	375	/*
marcozecchini	0:9fca2b23d0ba	376	* Round constants
marcozecchini	0:9fca2b23d0ba	377	*/
marcozecchini	0:9fca2b23d0ba	378	static uint32_t RCON[10];
marcozecchini	0:9fca2b23d0ba	379
marcozecchini	0:9fca2b23d0ba	380	/*
marcozecchini	0:9fca2b23d0ba	381	* Tables generation code
marcozecchini	0:9fca2b23d0ba	382	*/
marcozecchini	0:9fca2b23d0ba	383	#define ROTL8(x) ( ( x << 8 ) & 0xFFFFFFFF ) \| ( x >> 24 )
marcozecchini	0:9fca2b23d0ba	384	#define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) )
marcozecchini	0:9fca2b23d0ba	385	#define MUL(x,y) ( ( x && y ) ? pow[(log[x]+log[y]) % 255] : 0 )
marcozecchini	0:9fca2b23d0ba	386
marcozecchini	0:9fca2b23d0ba	387	static int aes_init_done = 0;
marcozecchini	0:9fca2b23d0ba	388
marcozecchini	0:9fca2b23d0ba	389	static void aes_gen_tables( void )
marcozecchini	0:9fca2b23d0ba	390	{
marcozecchini	0:9fca2b23d0ba	391	int i, x, y, z;
marcozecchini	0:9fca2b23d0ba	392	int pow[256];
marcozecchini	0:9fca2b23d0ba	393	int log[256];
marcozecchini	0:9fca2b23d0ba	394
marcozecchini	0:9fca2b23d0ba	395	/*
marcozecchini	0:9fca2b23d0ba	396	* compute pow and log tables over GF(2^8)
marcozecchini	0:9fca2b23d0ba	397	*/
marcozecchini	0:9fca2b23d0ba	398	for( i = 0, x = 1; i < 256; i++ )
marcozecchini	0:9fca2b23d0ba	399	{
marcozecchini	0:9fca2b23d0ba	400	pow[i] = x;
marcozecchini	0:9fca2b23d0ba	401	log[x] = i;
marcozecchini	0:9fca2b23d0ba	402	x = ( x ^ XTIME( x ) ) & 0xFF;
marcozecchini	0:9fca2b23d0ba	403	}
marcozecchini	0:9fca2b23d0ba	404
marcozecchini	0:9fca2b23d0ba	405	/*
marcozecchini	0:9fca2b23d0ba	406	* calculate the round constants
marcozecchini	0:9fca2b23d0ba	407	*/
marcozecchini	0:9fca2b23d0ba	408	for( i = 0, x = 1; i < 10; i++ )
marcozecchini	0:9fca2b23d0ba	409	{
marcozecchini	0:9fca2b23d0ba	410	RCON[i] = (uint32_t) x;
marcozecchini	0:9fca2b23d0ba	411	x = XTIME( x ) & 0xFF;
marcozecchini	0:9fca2b23d0ba	412	}
marcozecchini	0:9fca2b23d0ba	413
marcozecchini	0:9fca2b23d0ba	414	/*
marcozecchini	0:9fca2b23d0ba	415	* generate the forward and reverse S-boxes
marcozecchini	0:9fca2b23d0ba	416	*/
marcozecchini	0:9fca2b23d0ba	417	FSb[0x00] = 0x63;
marcozecchini	0:9fca2b23d0ba	418	RSb[0x63] = 0x00;
marcozecchini	0:9fca2b23d0ba	419
marcozecchini	0:9fca2b23d0ba	420	for( i = 1; i < 256; i++ )
marcozecchini	0:9fca2b23d0ba	421	{
marcozecchini	0:9fca2b23d0ba	422	x = pow[255 - log[i]];
marcozecchini	0:9fca2b23d0ba	423
marcozecchini	0:9fca2b23d0ba	424	y = x; y = ( ( y << 1 ) \| ( y >> 7 ) ) & 0xFF;
marcozecchini	0:9fca2b23d0ba	425	x ^= y; y = ( ( y << 1 ) \| ( y >> 7 ) ) & 0xFF;
marcozecchini	0:9fca2b23d0ba	426	x ^= y; y = ( ( y << 1 ) \| ( y >> 7 ) ) & 0xFF;
marcozecchini	0:9fca2b23d0ba	427	x ^= y; y = ( ( y << 1 ) \| ( y >> 7 ) ) & 0xFF;
marcozecchini	0:9fca2b23d0ba	428	x ^= y ^ 0x63;
marcozecchini	0:9fca2b23d0ba	429
marcozecchini	0:9fca2b23d0ba	430	FSb[i] = (unsigned char) x;
marcozecchini	0:9fca2b23d0ba	431	RSb[x] = (unsigned char) i;
marcozecchini	0:9fca2b23d0ba	432	}
marcozecchini	0:9fca2b23d0ba	433
marcozecchini	0:9fca2b23d0ba	434	/*
marcozecchini	0:9fca2b23d0ba	435	* generate the forward and reverse tables
marcozecchini	0:9fca2b23d0ba	436	*/
marcozecchini	0:9fca2b23d0ba	437	for( i = 0; i < 256; i++ )
marcozecchini	0:9fca2b23d0ba	438	{
marcozecchini	0:9fca2b23d0ba	439	x = FSb[i];
marcozecchini	0:9fca2b23d0ba	440	y = XTIME( x ) & 0xFF;
marcozecchini	0:9fca2b23d0ba	441	z = ( y ^ x ) & 0xFF;
marcozecchini	0:9fca2b23d0ba	442
marcozecchini	0:9fca2b23d0ba	443	FT0[i] = ( (uint32_t) y ) ^
marcozecchini	0:9fca2b23d0ba	444	( (uint32_t) x << 8 ) ^
marcozecchini	0:9fca2b23d0ba	445	( (uint32_t) x << 16 ) ^
marcozecchini	0:9fca2b23d0ba	446	( (uint32_t) z << 24 );
marcozecchini	0:9fca2b23d0ba	447
marcozecchini	0:9fca2b23d0ba	448	FT1[i] = ROTL8( FT0[i] );
marcozecchini	0:9fca2b23d0ba	449	FT2[i] = ROTL8( FT1[i] );
marcozecchini	0:9fca2b23d0ba	450	FT3[i] = ROTL8( FT2[i] );
marcozecchini	0:9fca2b23d0ba	451
marcozecchini	0:9fca2b23d0ba	452	x = RSb[i];
marcozecchini	0:9fca2b23d0ba	453
marcozecchini	0:9fca2b23d0ba	454	RT0[i] = ( (uint32_t) MUL( 0x0E, x ) ) ^
marcozecchini	0:9fca2b23d0ba	455	( (uint32_t) MUL( 0x09, x ) << 8 ) ^
marcozecchini	0:9fca2b23d0ba	456	( (uint32_t) MUL( 0x0D, x ) << 16 ) ^
marcozecchini	0:9fca2b23d0ba	457	( (uint32_t) MUL( 0x0B, x ) << 24 );
marcozecchini	0:9fca2b23d0ba	458
marcozecchini	0:9fca2b23d0ba	459	RT1[i] = ROTL8( RT0[i] );
marcozecchini	0:9fca2b23d0ba	460	RT2[i] = ROTL8( RT1[i] );
marcozecchini	0:9fca2b23d0ba	461	RT3[i] = ROTL8( RT2[i] );
marcozecchini	0:9fca2b23d0ba	462	}
marcozecchini	0:9fca2b23d0ba	463	}
marcozecchini	0:9fca2b23d0ba	464
marcozecchini	0:9fca2b23d0ba	465	#endif /* MBEDTLS_AES_ROM_TABLES */
marcozecchini	0:9fca2b23d0ba	466
marcozecchini	0:9fca2b23d0ba	467	void mbedtls_aes_init( mbedtls_aes_context *ctx )
marcozecchini	0:9fca2b23d0ba	468	{
marcozecchini	0:9fca2b23d0ba	469	memset( ctx, 0, sizeof( mbedtls_aes_context ) );
marcozecchini	0:9fca2b23d0ba	470	}
marcozecchini	0:9fca2b23d0ba	471
marcozecchini	0:9fca2b23d0ba	472	void mbedtls_aes_free( mbedtls_aes_context *ctx )
marcozecchini	0:9fca2b23d0ba	473	{
marcozecchini	0:9fca2b23d0ba	474	if( ctx == NULL )
marcozecchini	0:9fca2b23d0ba	475	return;
marcozecchini	0:9fca2b23d0ba	476
marcozecchini	0:9fca2b23d0ba	477	mbedtls_zeroize( ctx, sizeof( mbedtls_aes_context ) );
marcozecchini	0:9fca2b23d0ba	478	}
marcozecchini	0:9fca2b23d0ba	479
marcozecchini	0:9fca2b23d0ba	480	/*
marcozecchini	0:9fca2b23d0ba	481	* AES key schedule (encryption)
marcozecchini	0:9fca2b23d0ba	482	*/
marcozecchini	0:9fca2b23d0ba	483	#if !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
marcozecchini	0:9fca2b23d0ba	484	int mbedtls_aes_setkey_enc( mbedtls_aes_context ctx, const unsigned char key,
marcozecchini	0:9fca2b23d0ba	485	unsigned int keybits )
marcozecchini	0:9fca2b23d0ba	486	{
marcozecchini	0:9fca2b23d0ba	487	unsigned int i;
marcozecchini	0:9fca2b23d0ba	488	uint32_t *RK;
marcozecchini	0:9fca2b23d0ba	489
marcozecchini	0:9fca2b23d0ba	490	#if !defined(MBEDTLS_AES_ROM_TABLES)
marcozecchini	0:9fca2b23d0ba	491	if( aes_init_done == 0 )
marcozecchini	0:9fca2b23d0ba	492	{
marcozecchini	0:9fca2b23d0ba	493	aes_gen_tables();
marcozecchini	0:9fca2b23d0ba	494	aes_init_done = 1;
marcozecchini	0:9fca2b23d0ba	495
marcozecchini	0:9fca2b23d0ba	496	}
marcozecchini	0:9fca2b23d0ba	497	#endif
marcozecchini	0:9fca2b23d0ba	498
marcozecchini	0:9fca2b23d0ba	499	switch( keybits )
marcozecchini	0:9fca2b23d0ba	500	{
marcozecchini	0:9fca2b23d0ba	501	case 128: ctx->nr = 10; break;
marcozecchini	0:9fca2b23d0ba	502	case 192: ctx->nr = 12; break;
marcozecchini	0:9fca2b23d0ba	503	case 256: ctx->nr = 14; break;
marcozecchini	0:9fca2b23d0ba	504	default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
marcozecchini	0:9fca2b23d0ba	505	}
marcozecchini	0:9fca2b23d0ba	506
marcozecchini	0:9fca2b23d0ba	507	#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
marcozecchini	0:9fca2b23d0ba	508	if( aes_padlock_ace == -1 )
marcozecchini	0:9fca2b23d0ba	509	aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
marcozecchini	0:9fca2b23d0ba	510
marcozecchini	0:9fca2b23d0ba	511	if( aes_padlock_ace )
marcozecchini	0:9fca2b23d0ba	512	ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
marcozecchini	0:9fca2b23d0ba	513	else
marcozecchini	0:9fca2b23d0ba	514	#endif
marcozecchini	0:9fca2b23d0ba	515	ctx->rk = RK = ctx->buf;
marcozecchini	0:9fca2b23d0ba	516
marcozecchini	0:9fca2b23d0ba	517	#if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
marcozecchini	0:9fca2b23d0ba	518	if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
marcozecchini	0:9fca2b23d0ba	519	return( mbedtls_aesni_setkey_enc( (unsigned char *) ctx->rk, key, keybits ) );
marcozecchini	0:9fca2b23d0ba	520	#endif
marcozecchini	0:9fca2b23d0ba	521
marcozecchini	0:9fca2b23d0ba	522	for( i = 0; i < ( keybits >> 5 ); i++ )
marcozecchini	0:9fca2b23d0ba	523	{
marcozecchini	0:9fca2b23d0ba	524	GET_UINT32_LE( RK[i], key, i << 2 );
marcozecchini	0:9fca2b23d0ba	525	}
marcozecchini	0:9fca2b23d0ba	526
marcozecchini	0:9fca2b23d0ba	527	switch( ctx->nr )
marcozecchini	0:9fca2b23d0ba	528	{
marcozecchini	0:9fca2b23d0ba	529	case 10:
marcozecchini	0:9fca2b23d0ba	530
marcozecchini	0:9fca2b23d0ba	531	for( i = 0; i < 10; i++, RK += 4 )
marcozecchini	0:9fca2b23d0ba	532	{
marcozecchini	0:9fca2b23d0ba	533	RK[4] = RK[0] ^ RCON[i] ^
marcozecchini	0:9fca2b23d0ba	534	( (uint32_t) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	535	( (uint32_t) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	536	( (uint32_t) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	537	( (uint32_t) FSb[ ( RK[3] ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	538
marcozecchini	0:9fca2b23d0ba	539	RK[5] = RK[1] ^ RK[4];
marcozecchini	0:9fca2b23d0ba	540	RK[6] = RK[2] ^ RK[5];
marcozecchini	0:9fca2b23d0ba	541	RK[7] = RK[3] ^ RK[6];
marcozecchini	0:9fca2b23d0ba	542	}
marcozecchini	0:9fca2b23d0ba	543	break;
marcozecchini	0:9fca2b23d0ba	544
marcozecchini	0:9fca2b23d0ba	545	case 12:
marcozecchini	0:9fca2b23d0ba	546
marcozecchini	0:9fca2b23d0ba	547	for( i = 0; i < 8; i++, RK += 6 )
marcozecchini	0:9fca2b23d0ba	548	{
marcozecchini	0:9fca2b23d0ba	549	RK[6] = RK[0] ^ RCON[i] ^
marcozecchini	0:9fca2b23d0ba	550	( (uint32_t) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	551	( (uint32_t) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	552	( (uint32_t) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	553	( (uint32_t) FSb[ ( RK[5] ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	554
marcozecchini	0:9fca2b23d0ba	555	RK[7] = RK[1] ^ RK[6];
marcozecchini	0:9fca2b23d0ba	556	RK[8] = RK[2] ^ RK[7];
marcozecchini	0:9fca2b23d0ba	557	RK[9] = RK[3] ^ RK[8];
marcozecchini	0:9fca2b23d0ba	558	RK[10] = RK[4] ^ RK[9];
marcozecchini	0:9fca2b23d0ba	559	RK[11] = RK[5] ^ RK[10];
marcozecchini	0:9fca2b23d0ba	560	}
marcozecchini	0:9fca2b23d0ba	561	break;
marcozecchini	0:9fca2b23d0ba	562
marcozecchini	0:9fca2b23d0ba	563	case 14:
marcozecchini	0:9fca2b23d0ba	564
marcozecchini	0:9fca2b23d0ba	565	for( i = 0; i < 7; i++, RK += 8 )
marcozecchini	0:9fca2b23d0ba	566	{
marcozecchini	0:9fca2b23d0ba	567	RK[8] = RK[0] ^ RCON[i] ^
marcozecchini	0:9fca2b23d0ba	568	( (uint32_t) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	569	( (uint32_t) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	570	( (uint32_t) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	571	( (uint32_t) FSb[ ( RK[7] ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	572
marcozecchini	0:9fca2b23d0ba	573	RK[9] = RK[1] ^ RK[8];
marcozecchini	0:9fca2b23d0ba	574	RK[10] = RK[2] ^ RK[9];
marcozecchini	0:9fca2b23d0ba	575	RK[11] = RK[3] ^ RK[10];
marcozecchini	0:9fca2b23d0ba	576
marcozecchini	0:9fca2b23d0ba	577	RK[12] = RK[4] ^
marcozecchini	0:9fca2b23d0ba	578	( (uint32_t) FSb[ ( RK[11] ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	579	( (uint32_t) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	580	( (uint32_t) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	581	( (uint32_t) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	582
marcozecchini	0:9fca2b23d0ba	583	RK[13] = RK[5] ^ RK[12];
marcozecchini	0:9fca2b23d0ba	584	RK[14] = RK[6] ^ RK[13];
marcozecchini	0:9fca2b23d0ba	585	RK[15] = RK[7] ^ RK[14];
marcozecchini	0:9fca2b23d0ba	586	}
marcozecchini	0:9fca2b23d0ba	587	break;
marcozecchini	0:9fca2b23d0ba	588	}
marcozecchini	0:9fca2b23d0ba	589
marcozecchini	0:9fca2b23d0ba	590	return( 0 );
marcozecchini	0:9fca2b23d0ba	591	}
marcozecchini	0:9fca2b23d0ba	592	#endif /* !MBEDTLS_AES_SETKEY_ENC_ALT */
marcozecchini	0:9fca2b23d0ba	593
marcozecchini	0:9fca2b23d0ba	594	/*
marcozecchini	0:9fca2b23d0ba	595	* AES key schedule (decryption)
marcozecchini	0:9fca2b23d0ba	596	*/
marcozecchini	0:9fca2b23d0ba	597	#if !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
marcozecchini	0:9fca2b23d0ba	598	int mbedtls_aes_setkey_dec( mbedtls_aes_context ctx, const unsigned char key,
marcozecchini	0:9fca2b23d0ba	599	unsigned int keybits )
marcozecchini	0:9fca2b23d0ba	600	{
marcozecchini	0:9fca2b23d0ba	601	int i, j, ret;
marcozecchini	0:9fca2b23d0ba	602	mbedtls_aes_context cty;
marcozecchini	0:9fca2b23d0ba	603	uint32_t *RK;
marcozecchini	0:9fca2b23d0ba	604	uint32_t *SK;
marcozecchini	0:9fca2b23d0ba	605
marcozecchini	0:9fca2b23d0ba	606	mbedtls_aes_init( &cty );
marcozecchini	0:9fca2b23d0ba	607
marcozecchini	0:9fca2b23d0ba	608	#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
marcozecchini	0:9fca2b23d0ba	609	if( aes_padlock_ace == -1 )
marcozecchini	0:9fca2b23d0ba	610	aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
marcozecchini	0:9fca2b23d0ba	611
marcozecchini	0:9fca2b23d0ba	612	if( aes_padlock_ace )
marcozecchini	0:9fca2b23d0ba	613	ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
marcozecchini	0:9fca2b23d0ba	614	else
marcozecchini	0:9fca2b23d0ba	615	#endif
marcozecchini	0:9fca2b23d0ba	616	ctx->rk = RK = ctx->buf;
marcozecchini	0:9fca2b23d0ba	617
marcozecchini	0:9fca2b23d0ba	618	/* Also checks keybits */
marcozecchini	0:9fca2b23d0ba	619	if( ( ret = mbedtls_aes_setkey_enc( &cty, key, keybits ) ) != 0 )
marcozecchini	0:9fca2b23d0ba	620	goto exit;
marcozecchini	0:9fca2b23d0ba	621
marcozecchini	0:9fca2b23d0ba	622	ctx->nr = cty.nr;
marcozecchini	0:9fca2b23d0ba	623
marcozecchini	0:9fca2b23d0ba	624	#if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
marcozecchini	0:9fca2b23d0ba	625	if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
marcozecchini	0:9fca2b23d0ba	626	{
marcozecchini	0:9fca2b23d0ba	627	mbedtls_aesni_inverse_key( (unsigned char *) ctx->rk,
marcozecchini	0:9fca2b23d0ba	628	(const unsigned char *) cty.rk, ctx->nr );
marcozecchini	0:9fca2b23d0ba	629	goto exit;
marcozecchini	0:9fca2b23d0ba	630	}
marcozecchini	0:9fca2b23d0ba	631	#endif
marcozecchini	0:9fca2b23d0ba	632
marcozecchini	0:9fca2b23d0ba	633	SK = cty.rk + cty.nr * 4;
marcozecchini	0:9fca2b23d0ba	634
marcozecchini	0:9fca2b23d0ba	635	RK++ = SK++;
marcozecchini	0:9fca2b23d0ba	636	RK++ = SK++;
marcozecchini	0:9fca2b23d0ba	637	RK++ = SK++;
marcozecchini	0:9fca2b23d0ba	638	RK++ = SK++;
marcozecchini	0:9fca2b23d0ba	639
marcozecchini	0:9fca2b23d0ba	640	for( i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8 )
marcozecchini	0:9fca2b23d0ba	641	{
marcozecchini	0:9fca2b23d0ba	642	for( j = 0; j < 4; j++, SK++ )
marcozecchini	0:9fca2b23d0ba	643	{
marcozecchini	0:9fca2b23d0ba	644	RK++ = RT0[ FSb[ ( SK ) & 0xFF ] ] ^
marcozecchini	0:9fca2b23d0ba	645	RT1[ FSb[ ( *SK >> 8 ) & 0xFF ] ] ^
marcozecchini	0:9fca2b23d0ba	646	RT2[ FSb[ ( *SK >> 16 ) & 0xFF ] ] ^
marcozecchini	0:9fca2b23d0ba	647	RT3[ FSb[ ( *SK >> 24 ) & 0xFF ] ];
marcozecchini	0:9fca2b23d0ba	648	}
marcozecchini	0:9fca2b23d0ba	649	}
marcozecchini	0:9fca2b23d0ba	650
marcozecchini	0:9fca2b23d0ba	651	RK++ = SK++;
marcozecchini	0:9fca2b23d0ba	652	RK++ = SK++;
marcozecchini	0:9fca2b23d0ba	653	RK++ = SK++;
marcozecchini	0:9fca2b23d0ba	654	RK++ = SK++;
marcozecchini	0:9fca2b23d0ba	655
marcozecchini	0:9fca2b23d0ba	656	exit:
marcozecchini	0:9fca2b23d0ba	657	mbedtls_aes_free( &cty );
marcozecchini	0:9fca2b23d0ba	658
marcozecchini	0:9fca2b23d0ba	659	return( ret );
marcozecchini	0:9fca2b23d0ba	660	}
marcozecchini	0:9fca2b23d0ba	661	#endif /* !MBEDTLS_AES_SETKEY_DEC_ALT */
marcozecchini	0:9fca2b23d0ba	662
marcozecchini	0:9fca2b23d0ba	663	#define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
marcozecchini	0:9fca2b23d0ba	664	{ \
marcozecchini	0:9fca2b23d0ba	665	X0 = *RK++ ^ FT0[ ( Y0 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	666	FT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	667	FT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	668	FT3[ ( Y3 >> 24 ) & 0xFF ]; \
marcozecchini	0:9fca2b23d0ba	669	\
marcozecchini	0:9fca2b23d0ba	670	X1 = *RK++ ^ FT0[ ( Y1 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	671	FT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	672	FT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	673	FT3[ ( Y0 >> 24 ) & 0xFF ]; \
marcozecchini	0:9fca2b23d0ba	674	\
marcozecchini	0:9fca2b23d0ba	675	X2 = *RK++ ^ FT0[ ( Y2 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	676	FT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	677	FT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	678	FT3[ ( Y1 >> 24 ) & 0xFF ]; \
marcozecchini	0:9fca2b23d0ba	679	\
marcozecchini	0:9fca2b23d0ba	680	X3 = *RK++ ^ FT0[ ( Y3 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	681	FT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	682	FT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	683	FT3[ ( Y2 >> 24 ) & 0xFF ]; \
marcozecchini	0:9fca2b23d0ba	684	}
marcozecchini	0:9fca2b23d0ba	685
marcozecchini	0:9fca2b23d0ba	686	#define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
marcozecchini	0:9fca2b23d0ba	687	{ \
marcozecchini	0:9fca2b23d0ba	688	X0 = *RK++ ^ RT0[ ( Y0 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	689	RT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	690	RT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	691	RT3[ ( Y1 >> 24 ) & 0xFF ]; \
marcozecchini	0:9fca2b23d0ba	692	\
marcozecchini	0:9fca2b23d0ba	693	X1 = *RK++ ^ RT0[ ( Y1 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	694	RT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	695	RT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	696	RT3[ ( Y2 >> 24 ) & 0xFF ]; \
marcozecchini	0:9fca2b23d0ba	697	\
marcozecchini	0:9fca2b23d0ba	698	X2 = *RK++ ^ RT0[ ( Y2 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	699	RT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	700	RT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	701	RT3[ ( Y3 >> 24 ) & 0xFF ]; \
marcozecchini	0:9fca2b23d0ba	702	\
marcozecchini	0:9fca2b23d0ba	703	X3 = *RK++ ^ RT0[ ( Y3 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	704	RT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	705	RT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
marcozecchini	0:9fca2b23d0ba	706	RT3[ ( Y0 >> 24 ) & 0xFF ]; \
marcozecchini	0:9fca2b23d0ba	707	}
marcozecchini	0:9fca2b23d0ba	708
marcozecchini	0:9fca2b23d0ba	709	/*
marcozecchini	0:9fca2b23d0ba	710	* AES-ECB block encryption
marcozecchini	0:9fca2b23d0ba	711	*/
marcozecchini	0:9fca2b23d0ba	712	#if !defined(MBEDTLS_AES_ENCRYPT_ALT)
marcozecchini	0:9fca2b23d0ba	713	int mbedtls_internal_aes_encrypt( mbedtls_aes_context *ctx,
marcozecchini	0:9fca2b23d0ba	714	const unsigned char input[16],
marcozecchini	0:9fca2b23d0ba	715	unsigned char output[16] )
marcozecchini	0:9fca2b23d0ba	716	{
marcozecchini	0:9fca2b23d0ba	717	int i;
marcozecchini	0:9fca2b23d0ba	718	uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
marcozecchini	0:9fca2b23d0ba	719
marcozecchini	0:9fca2b23d0ba	720	RK = ctx->rk;
marcozecchini	0:9fca2b23d0ba	721
marcozecchini	0:9fca2b23d0ba	722	GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
marcozecchini	0:9fca2b23d0ba	723	GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
marcozecchini	0:9fca2b23d0ba	724	GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
marcozecchini	0:9fca2b23d0ba	725	GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
marcozecchini	0:9fca2b23d0ba	726
marcozecchini	0:9fca2b23d0ba	727	for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
marcozecchini	0:9fca2b23d0ba	728	{
marcozecchini	0:9fca2b23d0ba	729	AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
marcozecchini	0:9fca2b23d0ba	730	AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
marcozecchini	0:9fca2b23d0ba	731	}
marcozecchini	0:9fca2b23d0ba	732
marcozecchini	0:9fca2b23d0ba	733	AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
marcozecchini	0:9fca2b23d0ba	734
marcozecchini	0:9fca2b23d0ba	735	X0 = *RK++ ^ \
marcozecchini	0:9fca2b23d0ba	736	( (uint32_t) FSb[ ( Y0 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	737	( (uint32_t) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	738	( (uint32_t) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	739	( (uint32_t) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	740
marcozecchini	0:9fca2b23d0ba	741	X1 = *RK++ ^ \
marcozecchini	0:9fca2b23d0ba	742	( (uint32_t) FSb[ ( Y1 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	743	( (uint32_t) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	744	( (uint32_t) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	745	( (uint32_t) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	746
marcozecchini	0:9fca2b23d0ba	747	X2 = *RK++ ^ \
marcozecchini	0:9fca2b23d0ba	748	( (uint32_t) FSb[ ( Y2 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	749	( (uint32_t) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	750	( (uint32_t) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	751	( (uint32_t) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	752
marcozecchini	0:9fca2b23d0ba	753	X3 = *RK++ ^ \
marcozecchini	0:9fca2b23d0ba	754	( (uint32_t) FSb[ ( Y3 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	755	( (uint32_t) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	756	( (uint32_t) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	757	( (uint32_t) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	758
marcozecchini	0:9fca2b23d0ba	759	PUT_UINT32_LE( X0, output, 0 );
marcozecchini	0:9fca2b23d0ba	760	PUT_UINT32_LE( X1, output, 4 );
marcozecchini	0:9fca2b23d0ba	761	PUT_UINT32_LE( X2, output, 8 );
marcozecchini	0:9fca2b23d0ba	762	PUT_UINT32_LE( X3, output, 12 );
marcozecchini	0:9fca2b23d0ba	763
marcozecchini	0:9fca2b23d0ba	764	return( 0 );
marcozecchini	0:9fca2b23d0ba	765	}
marcozecchini	0:9fca2b23d0ba	766	#endif /* !MBEDTLS_AES_ENCRYPT_ALT */
marcozecchini	0:9fca2b23d0ba	767
marcozecchini	0:9fca2b23d0ba	768	void mbedtls_aes_encrypt( mbedtls_aes_context *ctx,
marcozecchini	0:9fca2b23d0ba	769	const unsigned char input[16],
marcozecchini	0:9fca2b23d0ba	770	unsigned char output[16] )
marcozecchini	0:9fca2b23d0ba	771	{
marcozecchini	0:9fca2b23d0ba	772	mbedtls_internal_aes_encrypt( ctx, input, output );
marcozecchini	0:9fca2b23d0ba	773	}
marcozecchini	0:9fca2b23d0ba	774
marcozecchini	0:9fca2b23d0ba	775	/*
marcozecchini	0:9fca2b23d0ba	776	* AES-ECB block decryption
marcozecchini	0:9fca2b23d0ba	777	*/
marcozecchini	0:9fca2b23d0ba	778	#if !defined(MBEDTLS_AES_DECRYPT_ALT)
marcozecchini	0:9fca2b23d0ba	779	int mbedtls_internal_aes_decrypt( mbedtls_aes_context *ctx,
marcozecchini	0:9fca2b23d0ba	780	const unsigned char input[16],
marcozecchini	0:9fca2b23d0ba	781	unsigned char output[16] )
marcozecchini	0:9fca2b23d0ba	782	{
marcozecchini	0:9fca2b23d0ba	783	int i;
marcozecchini	0:9fca2b23d0ba	784	uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
marcozecchini	0:9fca2b23d0ba	785
marcozecchini	0:9fca2b23d0ba	786	RK = ctx->rk;
marcozecchini	0:9fca2b23d0ba	787
marcozecchini	0:9fca2b23d0ba	788	GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
marcozecchini	0:9fca2b23d0ba	789	GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
marcozecchini	0:9fca2b23d0ba	790	GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
marcozecchini	0:9fca2b23d0ba	791	GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
marcozecchini	0:9fca2b23d0ba	792
marcozecchini	0:9fca2b23d0ba	793	for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
marcozecchini	0:9fca2b23d0ba	794	{
marcozecchini	0:9fca2b23d0ba	795	AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
marcozecchini	0:9fca2b23d0ba	796	AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
marcozecchini	0:9fca2b23d0ba	797	}
marcozecchini	0:9fca2b23d0ba	798
marcozecchini	0:9fca2b23d0ba	799	AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
marcozecchini	0:9fca2b23d0ba	800
marcozecchini	0:9fca2b23d0ba	801	X0 = *RK++ ^ \
marcozecchini	0:9fca2b23d0ba	802	( (uint32_t) RSb[ ( Y0 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	803	( (uint32_t) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	804	( (uint32_t) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	805	( (uint32_t) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	806
marcozecchini	0:9fca2b23d0ba	807	X1 = *RK++ ^ \
marcozecchini	0:9fca2b23d0ba	808	( (uint32_t) RSb[ ( Y1 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	809	( (uint32_t) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	810	( (uint32_t) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	811	( (uint32_t) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	812
marcozecchini	0:9fca2b23d0ba	813	X2 = *RK++ ^ \
marcozecchini	0:9fca2b23d0ba	814	( (uint32_t) RSb[ ( Y2 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	815	( (uint32_t) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	816	( (uint32_t) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	817	( (uint32_t) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	818
marcozecchini	0:9fca2b23d0ba	819	X3 = *RK++ ^ \
marcozecchini	0:9fca2b23d0ba	820	( (uint32_t) RSb[ ( Y3 ) & 0xFF ] ) ^
marcozecchini	0:9fca2b23d0ba	821	( (uint32_t) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
marcozecchini	0:9fca2b23d0ba	822	( (uint32_t) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
marcozecchini	0:9fca2b23d0ba	823	( (uint32_t) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
marcozecchini	0:9fca2b23d0ba	824
marcozecchini	0:9fca2b23d0ba	825	PUT_UINT32_LE( X0, output, 0 );
marcozecchini	0:9fca2b23d0ba	826	PUT_UINT32_LE( X1, output, 4 );
marcozecchini	0:9fca2b23d0ba	827	PUT_UINT32_LE( X2, output, 8 );
marcozecchini	0:9fca2b23d0ba	828	PUT_UINT32_LE( X3, output, 12 );
marcozecchini	0:9fca2b23d0ba	829
marcozecchini	0:9fca2b23d0ba	830	return( 0 );
marcozecchini	0:9fca2b23d0ba	831	}
marcozecchini	0:9fca2b23d0ba	832	#endif /* !MBEDTLS_AES_DECRYPT_ALT */
marcozecchini	0:9fca2b23d0ba	833
marcozecchini	0:9fca2b23d0ba	834	void mbedtls_aes_decrypt( mbedtls_aes_context *ctx,
marcozecchini	0:9fca2b23d0ba	835	const unsigned char input[16],
marcozecchini	0:9fca2b23d0ba	836	unsigned char output[16] )
marcozecchini	0:9fca2b23d0ba	837	{
marcozecchini	0:9fca2b23d0ba	838	mbedtls_internal_aes_decrypt( ctx, input, output );
marcozecchini	0:9fca2b23d0ba	839	}
marcozecchini	0:9fca2b23d0ba	840
marcozecchini	0:9fca2b23d0ba	841	/*
marcozecchini	0:9fca2b23d0ba	842	* AES-ECB block encryption/decryption
marcozecchini	0:9fca2b23d0ba	843	*/
marcozecchini	0:9fca2b23d0ba	844	int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
marcozecchini	0:9fca2b23d0ba	845	int mode,
marcozecchini	0:9fca2b23d0ba	846	const unsigned char input[16],
marcozecchini	0:9fca2b23d0ba	847	unsigned char output[16] )
marcozecchini	0:9fca2b23d0ba	848	{
marcozecchini	0:9fca2b23d0ba	849	#if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
marcozecchini	0:9fca2b23d0ba	850	if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
marcozecchini	0:9fca2b23d0ba	851	return( mbedtls_aesni_crypt_ecb( ctx, mode, input, output ) );
marcozecchini	0:9fca2b23d0ba	852	#endif
marcozecchini	0:9fca2b23d0ba	853
marcozecchini	0:9fca2b23d0ba	854	#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
marcozecchini	0:9fca2b23d0ba	855	if( aes_padlock_ace )
marcozecchini	0:9fca2b23d0ba	856	{
marcozecchini	0:9fca2b23d0ba	857	if( mbedtls_padlock_xcryptecb( ctx, mode, input, output ) == 0 )
marcozecchini	0:9fca2b23d0ba	858	return( 0 );
marcozecchini	0:9fca2b23d0ba	859
marcozecchini	0:9fca2b23d0ba	860	// If padlock data misaligned, we just fall back to
marcozecchini	0:9fca2b23d0ba	861	// unaccelerated mode
marcozecchini	0:9fca2b23d0ba	862	//
marcozecchini	0:9fca2b23d0ba	863	}
marcozecchini	0:9fca2b23d0ba	864	#endif
marcozecchini	0:9fca2b23d0ba	865
marcozecchini	0:9fca2b23d0ba	866	if( mode == MBEDTLS_AES_ENCRYPT )
marcozecchini	0:9fca2b23d0ba	867	return( mbedtls_internal_aes_encrypt( ctx, input, output ) );
marcozecchini	0:9fca2b23d0ba	868	else
marcozecchini	0:9fca2b23d0ba	869	return( mbedtls_internal_aes_decrypt( ctx, input, output ) );
marcozecchini	0:9fca2b23d0ba	870	}
marcozecchini	0:9fca2b23d0ba	871
marcozecchini	0:9fca2b23d0ba	872	#if defined(MBEDTLS_CIPHER_MODE_CBC)
marcozecchini	0:9fca2b23d0ba	873	/*
marcozecchini	0:9fca2b23d0ba	874	* AES-CBC buffer encryption/decryption
marcozecchini	0:9fca2b23d0ba	875	*/
marcozecchini	0:9fca2b23d0ba	876	int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
marcozecchini	0:9fca2b23d0ba	877	int mode,
marcozecchini	0:9fca2b23d0ba	878	size_t length,
marcozecchini	0:9fca2b23d0ba	879	unsigned char iv[16],
marcozecchini	0:9fca2b23d0ba	880	const unsigned char *input,
marcozecchini	0:9fca2b23d0ba	881	unsigned char *output )
marcozecchini	0:9fca2b23d0ba	882	{
marcozecchini	0:9fca2b23d0ba	883	int i;
marcozecchini	0:9fca2b23d0ba	884	unsigned char temp[16];
marcozecchini	0:9fca2b23d0ba	885
marcozecchini	0:9fca2b23d0ba	886	if( length % 16 )
marcozecchini	0:9fca2b23d0ba	887	return( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
marcozecchini	0:9fca2b23d0ba	888
marcozecchini	0:9fca2b23d0ba	889	#if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
marcozecchini	0:9fca2b23d0ba	890	if( aes_padlock_ace )
marcozecchini	0:9fca2b23d0ba	891	{
marcozecchini	0:9fca2b23d0ba	892	if( mbedtls_padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 )
marcozecchini	0:9fca2b23d0ba	893	return( 0 );
marcozecchini	0:9fca2b23d0ba	894
marcozecchini	0:9fca2b23d0ba	895	// If padlock data misaligned, we just fall back to
marcozecchini	0:9fca2b23d0ba	896	// unaccelerated mode
marcozecchini	0:9fca2b23d0ba	897	//
marcozecchini	0:9fca2b23d0ba	898	}
marcozecchini	0:9fca2b23d0ba	899	#endif
marcozecchini	0:9fca2b23d0ba	900
marcozecchini	0:9fca2b23d0ba	901	if( mode == MBEDTLS_AES_DECRYPT )
marcozecchini	0:9fca2b23d0ba	902	{
marcozecchini	0:9fca2b23d0ba	903	while( length > 0 )
marcozecchini	0:9fca2b23d0ba	904	{
marcozecchini	0:9fca2b23d0ba	905	memcpy( temp, input, 16 );
marcozecchini	0:9fca2b23d0ba	906	mbedtls_aes_crypt_ecb( ctx, mode, input, output );
marcozecchini	0:9fca2b23d0ba	907
marcozecchini	0:9fca2b23d0ba	908	for( i = 0; i < 16; i++ )
marcozecchini	0:9fca2b23d0ba	909	output[i] = (unsigned char)( output[i] ^ iv[i] );
marcozecchini	0:9fca2b23d0ba	910
marcozecchini	0:9fca2b23d0ba	911	memcpy( iv, temp, 16 );
marcozecchini	0:9fca2b23d0ba	912
marcozecchini	0:9fca2b23d0ba	913	input += 16;
marcozecchini	0:9fca2b23d0ba	914	output += 16;
marcozecchini	0:9fca2b23d0ba	915	length -= 16;
marcozecchini	0:9fca2b23d0ba	916	}
marcozecchini	0:9fca2b23d0ba	917	}
marcozecchini	0:9fca2b23d0ba	918	else
marcozecchini	0:9fca2b23d0ba	919	{
marcozecchini	0:9fca2b23d0ba	920	while( length > 0 )
marcozecchini	0:9fca2b23d0ba	921	{
marcozecchini	0:9fca2b23d0ba	922	for( i = 0; i < 16; i++ )
marcozecchini	0:9fca2b23d0ba	923	output[i] = (unsigned char)( input[i] ^ iv[i] );
marcozecchini	0:9fca2b23d0ba	924
marcozecchini	0:9fca2b23d0ba	925	mbedtls_aes_crypt_ecb( ctx, mode, output, output );
marcozecchini	0:9fca2b23d0ba	926	memcpy( iv, output, 16 );
marcozecchini	0:9fca2b23d0ba	927
marcozecchini	0:9fca2b23d0ba	928	input += 16;
marcozecchini	0:9fca2b23d0ba	929	output += 16;
marcozecchini	0:9fca2b23d0ba	930	length -= 16;
marcozecchini	0:9fca2b23d0ba	931	}
marcozecchini	0:9fca2b23d0ba	932	}
marcozecchini	0:9fca2b23d0ba	933
marcozecchini	0:9fca2b23d0ba	934	return( 0 );
marcozecchini	0:9fca2b23d0ba	935	}
marcozecchini	0:9fca2b23d0ba	936	#endif /* MBEDTLS_CIPHER_MODE_CBC */
marcozecchini	0:9fca2b23d0ba	937
marcozecchini	0:9fca2b23d0ba	938	#if defined(MBEDTLS_CIPHER_MODE_CFB)
marcozecchini	0:9fca2b23d0ba	939	/*
marcozecchini	0:9fca2b23d0ba	940	* AES-CFB128 buffer encryption/decryption
marcozecchini	0:9fca2b23d0ba	941	*/
marcozecchini	0:9fca2b23d0ba	942	int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
marcozecchini	0:9fca2b23d0ba	943	int mode,
marcozecchini	0:9fca2b23d0ba	944	size_t length,
marcozecchini	0:9fca2b23d0ba	945	size_t *iv_off,
marcozecchini	0:9fca2b23d0ba	946	unsigned char iv[16],
marcozecchini	0:9fca2b23d0ba	947	const unsigned char *input,
marcozecchini	0:9fca2b23d0ba	948	unsigned char *output )
marcozecchini	0:9fca2b23d0ba	949	{
marcozecchini	0:9fca2b23d0ba	950	int c;
marcozecchini	0:9fca2b23d0ba	951	size_t n = *iv_off;
marcozecchini	0:9fca2b23d0ba	952
marcozecchini	0:9fca2b23d0ba	953	if( mode == MBEDTLS_AES_DECRYPT )
marcozecchini	0:9fca2b23d0ba	954	{
marcozecchini	0:9fca2b23d0ba	955	while( length-- )
marcozecchini	0:9fca2b23d0ba	956	{
marcozecchini	0:9fca2b23d0ba	957	if( n == 0 )
marcozecchini	0:9fca2b23d0ba	958	mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
marcozecchini	0:9fca2b23d0ba	959
marcozecchini	0:9fca2b23d0ba	960	c = *input++;
marcozecchini	0:9fca2b23d0ba	961	*output++ = (unsigned char)( c ^ iv[n] );
marcozecchini	0:9fca2b23d0ba	962	iv[n] = (unsigned char) c;
marcozecchini	0:9fca2b23d0ba	963
marcozecchini	0:9fca2b23d0ba	964	n = ( n + 1 ) & 0x0F;
marcozecchini	0:9fca2b23d0ba	965	}
marcozecchini	0:9fca2b23d0ba	966	}
marcozecchini	0:9fca2b23d0ba	967	else
marcozecchini	0:9fca2b23d0ba	968	{
marcozecchini	0:9fca2b23d0ba	969	while( length-- )
marcozecchini	0:9fca2b23d0ba	970	{
marcozecchini	0:9fca2b23d0ba	971	if( n == 0 )
marcozecchini	0:9fca2b23d0ba	972	mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
marcozecchini	0:9fca2b23d0ba	973
marcozecchini	0:9fca2b23d0ba	974	iv[n] = output++ = (unsigned char)( iv[n] ^ input++ );
marcozecchini	0:9fca2b23d0ba	975
marcozecchini	0:9fca2b23d0ba	976	n = ( n + 1 ) & 0x0F;
marcozecchini	0:9fca2b23d0ba	977	}
marcozecchini	0:9fca2b23d0ba	978	}
marcozecchini	0:9fca2b23d0ba	979
marcozecchini	0:9fca2b23d0ba	980	*iv_off = n;
marcozecchini	0:9fca2b23d0ba	981
marcozecchini	0:9fca2b23d0ba	982	return( 0 );
marcozecchini	0:9fca2b23d0ba	983	}
marcozecchini	0:9fca2b23d0ba	984
marcozecchini	0:9fca2b23d0ba	985	/*
marcozecchini	0:9fca2b23d0ba	986	* AES-CFB8 buffer encryption/decryption
marcozecchini	0:9fca2b23d0ba	987	*/
marcozecchini	0:9fca2b23d0ba	988	int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx,
marcozecchini	0:9fca2b23d0ba	989	int mode,
marcozecchini	0:9fca2b23d0ba	990	size_t length,
marcozecchini	0:9fca2b23d0ba	991	unsigned char iv[16],
marcozecchini	0:9fca2b23d0ba	992	const unsigned char *input,
marcozecchini	0:9fca2b23d0ba	993	unsigned char *output )
marcozecchini	0:9fca2b23d0ba	994	{
marcozecchini	0:9fca2b23d0ba	995	unsigned char c;
marcozecchini	0:9fca2b23d0ba	996	unsigned char ov[17];
marcozecchini	0:9fca2b23d0ba	997
marcozecchini	0:9fca2b23d0ba	998	while( length-- )
marcozecchini	0:9fca2b23d0ba	999	{
marcozecchini	0:9fca2b23d0ba	1000	memcpy( ov, iv, 16 );
marcozecchini	0:9fca2b23d0ba	1001	mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
marcozecchini	0:9fca2b23d0ba	1002
marcozecchini	0:9fca2b23d0ba	1003	if( mode == MBEDTLS_AES_DECRYPT )
marcozecchini	0:9fca2b23d0ba	1004	ov[16] = *input;
marcozecchini	0:9fca2b23d0ba	1005
marcozecchini	0:9fca2b23d0ba	1006	c = output++ = (unsigned char)( iv[0] ^ input++ );
marcozecchini	0:9fca2b23d0ba	1007
marcozecchini	0:9fca2b23d0ba	1008	if( mode == MBEDTLS_AES_ENCRYPT )
marcozecchini	0:9fca2b23d0ba	1009	ov[16] = c;
marcozecchini	0:9fca2b23d0ba	1010
marcozecchini	0:9fca2b23d0ba	1011	memcpy( iv, ov + 1, 16 );
marcozecchini	0:9fca2b23d0ba	1012	}
marcozecchini	0:9fca2b23d0ba	1013
marcozecchini	0:9fca2b23d0ba	1014	return( 0 );
marcozecchini	0:9fca2b23d0ba	1015	}
marcozecchini	0:9fca2b23d0ba	1016	#endif /MBEDTLS_CIPHER_MODE_CFB /
marcozecchini	0:9fca2b23d0ba	1017
marcozecchini	0:9fca2b23d0ba	1018	#if defined(MBEDTLS_CIPHER_MODE_CTR)
marcozecchini	0:9fca2b23d0ba	1019	/*
marcozecchini	0:9fca2b23d0ba	1020	* AES-CTR buffer encryption/decryption
marcozecchini	0:9fca2b23d0ba	1021	*/
marcozecchini	0:9fca2b23d0ba	1022	int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx,
marcozecchini	0:9fca2b23d0ba	1023	size_t length,
marcozecchini	0:9fca2b23d0ba	1024	size_t *nc_off,
marcozecchini	0:9fca2b23d0ba	1025	unsigned char nonce_counter[16],
marcozecchini	0:9fca2b23d0ba	1026	unsigned char stream_block[16],
marcozecchini	0:9fca2b23d0ba	1027	const unsigned char *input,
marcozecchini	0:9fca2b23d0ba	1028	unsigned char *output )
marcozecchini	0:9fca2b23d0ba	1029	{
marcozecchini	0:9fca2b23d0ba	1030	int c, i;
marcozecchini	0:9fca2b23d0ba	1031	size_t n = *nc_off;
marcozecchini	0:9fca2b23d0ba	1032
marcozecchini	0:9fca2b23d0ba	1033	while( length-- )
marcozecchini	0:9fca2b23d0ba	1034	{
marcozecchini	0:9fca2b23d0ba	1035	if( n == 0 ) {
marcozecchini	0:9fca2b23d0ba	1036	mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, nonce_counter, stream_block );
marcozecchini	0:9fca2b23d0ba	1037
marcozecchini	0:9fca2b23d0ba	1038	for( i = 16; i > 0; i-- )
marcozecchini	0:9fca2b23d0ba	1039	if( ++nonce_counter[i - 1] != 0 )
marcozecchini	0:9fca2b23d0ba	1040	break;
marcozecchini	0:9fca2b23d0ba	1041	}
marcozecchini	0:9fca2b23d0ba	1042	c = *input++;
marcozecchini	0:9fca2b23d0ba	1043	*output++ = (unsigned char)( c ^ stream_block[n] );
marcozecchini	0:9fca2b23d0ba	1044
marcozecchini	0:9fca2b23d0ba	1045	n = ( n + 1 ) & 0x0F;
marcozecchini	0:9fca2b23d0ba	1046	}
marcozecchini	0:9fca2b23d0ba	1047
marcozecchini	0:9fca2b23d0ba	1048	*nc_off = n;
marcozecchini	0:9fca2b23d0ba	1049
marcozecchini	0:9fca2b23d0ba	1050	return( 0 );
marcozecchini	0:9fca2b23d0ba	1051	}
marcozecchini	0:9fca2b23d0ba	1052	#endif /* MBEDTLS_CIPHER_MODE_CTR */
marcozecchini	0:9fca2b23d0ba	1053
marcozecchini	0:9fca2b23d0ba	1054	#endif /* !MBEDTLS_AES_ALT */
marcozecchini	0:9fca2b23d0ba	1055
marcozecchini	0:9fca2b23d0ba	1056	#if defined(MBEDTLS_SELF_TEST)
marcozecchini	0:9fca2b23d0ba	1057	/*
marcozecchini	0:9fca2b23d0ba	1058	* AES test vectors from:
marcozecchini	0:9fca2b23d0ba	1059	*
marcozecchini	0:9fca2b23d0ba	1060	* http://csrc.nist.gov/archive/aes/rijndael/rijndael-vals.zip
marcozecchini	0:9fca2b23d0ba	1061	*/
marcozecchini	0:9fca2b23d0ba	1062	static const unsigned char aes_test_ecb_dec[3][16] =
marcozecchini	0:9fca2b23d0ba	1063	{
marcozecchini	0:9fca2b23d0ba	1064	{ 0x44, 0x41, 0x6A, 0xC2, 0xD1, 0xF5, 0x3C, 0x58,
marcozecchini	0:9fca2b23d0ba	1065	0x33, 0x03, 0x91, 0x7E, 0x6B, 0xE9, 0xEB, 0xE0 },
marcozecchini	0:9fca2b23d0ba	1066	{ 0x48, 0xE3, 0x1E, 0x9E, 0x25, 0x67, 0x18, 0xF2,
marcozecchini	0:9fca2b23d0ba	1067	0x92, 0x29, 0x31, 0x9C, 0x19, 0xF1, 0x5B, 0xA4 },
marcozecchini	0:9fca2b23d0ba	1068	{ 0x05, 0x8C, 0xCF, 0xFD, 0xBB, 0xCB, 0x38, 0x2D,
marcozecchini	0:9fca2b23d0ba	1069	0x1F, 0x6F, 0x56, 0x58, 0x5D, 0x8A, 0x4A, 0xDE }
marcozecchini	0:9fca2b23d0ba	1070	};
marcozecchini	0:9fca2b23d0ba	1071
marcozecchini	0:9fca2b23d0ba	1072	static const unsigned char aes_test_ecb_enc[3][16] =
marcozecchini	0:9fca2b23d0ba	1073	{
marcozecchini	0:9fca2b23d0ba	1074	{ 0xC3, 0x4C, 0x05, 0x2C, 0xC0, 0xDA, 0x8D, 0x73,
marcozecchini	0:9fca2b23d0ba	1075	0x45, 0x1A, 0xFE, 0x5F, 0x03, 0xBE, 0x29, 0x7F },
marcozecchini	0:9fca2b23d0ba	1076	{ 0xF3, 0xF6, 0x75, 0x2A, 0xE8, 0xD7, 0x83, 0x11,
marcozecchini	0:9fca2b23d0ba	1077	0x38, 0xF0, 0x41, 0x56, 0x06, 0x31, 0xB1, 0x14 },
marcozecchini	0:9fca2b23d0ba	1078	{ 0x8B, 0x79, 0xEE, 0xCC, 0x93, 0xA0, 0xEE, 0x5D,
marcozecchini	0:9fca2b23d0ba	1079	0xFF, 0x30, 0xB4, 0xEA, 0x21, 0x63, 0x6D, 0xA4 }
marcozecchini	0:9fca2b23d0ba	1080	};
marcozecchini	0:9fca2b23d0ba	1081
marcozecchini	0:9fca2b23d0ba	1082	#if defined(MBEDTLS_CIPHER_MODE_CBC)
marcozecchini	0:9fca2b23d0ba	1083	static const unsigned char aes_test_cbc_dec[3][16] =
marcozecchini	0:9fca2b23d0ba	1084	{
marcozecchini	0:9fca2b23d0ba	1085	{ 0xFA, 0xCA, 0x37, 0xE0, 0xB0, 0xC8, 0x53, 0x73,
marcozecchini	0:9fca2b23d0ba	1086	0xDF, 0x70, 0x6E, 0x73, 0xF7, 0xC9, 0xAF, 0x86 },
marcozecchini	0:9fca2b23d0ba	1087	{ 0x5D, 0xF6, 0x78, 0xDD, 0x17, 0xBA, 0x4E, 0x75,
marcozecchini	0:9fca2b23d0ba	1088	0xB6, 0x17, 0x68, 0xC6, 0xAD, 0xEF, 0x7C, 0x7B },
marcozecchini	0:9fca2b23d0ba	1089	{ 0x48, 0x04, 0xE1, 0x81, 0x8F, 0xE6, 0x29, 0x75,
marcozecchini	0:9fca2b23d0ba	1090	0x19, 0xA3, 0xE8, 0x8C, 0x57, 0x31, 0x04, 0x13 }
marcozecchini	0:9fca2b23d0ba	1091	};
marcozecchini	0:9fca2b23d0ba	1092
marcozecchini	0:9fca2b23d0ba	1093	static const unsigned char aes_test_cbc_enc[3][16] =
marcozecchini	0:9fca2b23d0ba	1094	{
marcozecchini	0:9fca2b23d0ba	1095	{ 0x8A, 0x05, 0xFC, 0x5E, 0x09, 0x5A, 0xF4, 0x84,
marcozecchini	0:9fca2b23d0ba	1096	0x8A, 0x08, 0xD3, 0x28, 0xD3, 0x68, 0x8E, 0x3D },
marcozecchini	0:9fca2b23d0ba	1097	{ 0x7B, 0xD9, 0x66, 0xD5, 0x3A, 0xD8, 0xC1, 0xBB,
marcozecchini	0:9fca2b23d0ba	1098	0x85, 0xD2, 0xAD, 0xFA, 0xE8, 0x7B, 0xB1, 0x04 },
marcozecchini	0:9fca2b23d0ba	1099	{ 0xFE, 0x3C, 0x53, 0x65, 0x3E, 0x2F, 0x45, 0xB5,
marcozecchini	0:9fca2b23d0ba	1100	0x6F, 0xCD, 0x88, 0xB2, 0xCC, 0x89, 0x8F, 0xF0 }
marcozecchini	0:9fca2b23d0ba	1101	};
marcozecchini	0:9fca2b23d0ba	1102	#endif /* MBEDTLS_CIPHER_MODE_CBC */
marcozecchini	0:9fca2b23d0ba	1103
marcozecchini	0:9fca2b23d0ba	1104	#if defined(MBEDTLS_CIPHER_MODE_CFB)
marcozecchini	0:9fca2b23d0ba	1105	/*
marcozecchini	0:9fca2b23d0ba	1106	* AES-CFB128 test vectors from:
marcozecchini	0:9fca2b23d0ba	1107	*
marcozecchini	0:9fca2b23d0ba	1108	* http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
marcozecchini	0:9fca2b23d0ba	1109	*/
marcozecchini	0:9fca2b23d0ba	1110	static const unsigned char aes_test_cfb128_key[3][32] =
marcozecchini	0:9fca2b23d0ba	1111	{
marcozecchini	0:9fca2b23d0ba	1112	{ 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
marcozecchini	0:9fca2b23d0ba	1113	0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C },
marcozecchini	0:9fca2b23d0ba	1114	{ 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
marcozecchini	0:9fca2b23d0ba	1115	0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
marcozecchini	0:9fca2b23d0ba	1116	0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B },
marcozecchini	0:9fca2b23d0ba	1117	{ 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
marcozecchini	0:9fca2b23d0ba	1118	0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
marcozecchini	0:9fca2b23d0ba	1119	0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
marcozecchini	0:9fca2b23d0ba	1120	0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
marcozecchini	0:9fca2b23d0ba	1121	};
marcozecchini	0:9fca2b23d0ba	1122
marcozecchini	0:9fca2b23d0ba	1123	static const unsigned char aes_test_cfb128_iv[16] =
marcozecchini	0:9fca2b23d0ba	1124	{
marcozecchini	0:9fca2b23d0ba	1125	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
marcozecchini	0:9fca2b23d0ba	1126	0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
marcozecchini	0:9fca2b23d0ba	1127	};
marcozecchini	0:9fca2b23d0ba	1128
marcozecchini	0:9fca2b23d0ba	1129	static const unsigned char aes_test_cfb128_pt[64] =
marcozecchini	0:9fca2b23d0ba	1130	{
marcozecchini	0:9fca2b23d0ba	1131	0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
marcozecchini	0:9fca2b23d0ba	1132	0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A,
marcozecchini	0:9fca2b23d0ba	1133	0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
marcozecchini	0:9fca2b23d0ba	1134	0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51,
marcozecchini	0:9fca2b23d0ba	1135	0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
marcozecchini	0:9fca2b23d0ba	1136	0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF,
marcozecchini	0:9fca2b23d0ba	1137	0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17,
marcozecchini	0:9fca2b23d0ba	1138	0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10
marcozecchini	0:9fca2b23d0ba	1139	};
marcozecchini	0:9fca2b23d0ba	1140
marcozecchini	0:9fca2b23d0ba	1141	static const unsigned char aes_test_cfb128_ct[3][64] =
marcozecchini	0:9fca2b23d0ba	1142	{
marcozecchini	0:9fca2b23d0ba	1143	{ 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20,
marcozecchini	0:9fca2b23d0ba	1144	0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A,
marcozecchini	0:9fca2b23d0ba	1145	0xC8, 0xA6, 0x45, 0x37, 0xA0, 0xB3, 0xA9, 0x3F,
marcozecchini	0:9fca2b23d0ba	1146	0xCD, 0xE3, 0xCD, 0xAD, 0x9F, 0x1C, 0xE5, 0x8B,
marcozecchini	0:9fca2b23d0ba	1147	0x26, 0x75, 0x1F, 0x67, 0xA3, 0xCB, 0xB1, 0x40,
marcozecchini	0:9fca2b23d0ba	1148	0xB1, 0x80, 0x8C, 0xF1, 0x87, 0xA4, 0xF4, 0xDF,
marcozecchini	0:9fca2b23d0ba	1149	0xC0, 0x4B, 0x05, 0x35, 0x7C, 0x5D, 0x1C, 0x0E,
marcozecchini	0:9fca2b23d0ba	1150	0xEA, 0xC4, 0xC6, 0x6F, 0x9F, 0xF7, 0xF2, 0xE6 },
marcozecchini	0:9fca2b23d0ba	1151	{ 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB,
marcozecchini	0:9fca2b23d0ba	1152	0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74,
marcozecchini	0:9fca2b23d0ba	1153	0x67, 0xCE, 0x7F, 0x7F, 0x81, 0x17, 0x36, 0x21,
marcozecchini	0:9fca2b23d0ba	1154	0x96, 0x1A, 0x2B, 0x70, 0x17, 0x1D, 0x3D, 0x7A,
marcozecchini	0:9fca2b23d0ba	1155	0x2E, 0x1E, 0x8A, 0x1D, 0xD5, 0x9B, 0x88, 0xB1,
marcozecchini	0:9fca2b23d0ba	1156	0xC8, 0xE6, 0x0F, 0xED, 0x1E, 0xFA, 0xC4, 0xC9,
marcozecchini	0:9fca2b23d0ba	1157	0xC0, 0x5F, 0x9F, 0x9C, 0xA9, 0x83, 0x4F, 0xA0,
marcozecchini	0:9fca2b23d0ba	1158	0x42, 0xAE, 0x8F, 0xBA, 0x58, 0x4B, 0x09, 0xFF },
marcozecchini	0:9fca2b23d0ba	1159	{ 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B,
marcozecchini	0:9fca2b23d0ba	1160	0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60,
marcozecchini	0:9fca2b23d0ba	1161	0x39, 0xFF, 0xED, 0x14, 0x3B, 0x28, 0xB1, 0xC8,
marcozecchini	0:9fca2b23d0ba	1162	0x32, 0x11, 0x3C, 0x63, 0x31, 0xE5, 0x40, 0x7B,
marcozecchini	0:9fca2b23d0ba	1163	0xDF, 0x10, 0x13, 0x24, 0x15, 0xE5, 0x4B, 0x92,
marcozecchini	0:9fca2b23d0ba	1164	0xA1, 0x3E, 0xD0, 0xA8, 0x26, 0x7A, 0xE2, 0xF9,
marcozecchini	0:9fca2b23d0ba	1165	0x75, 0xA3, 0x85, 0x74, 0x1A, 0xB9, 0xCE, 0xF8,
marcozecchini	0:9fca2b23d0ba	1166	0x20, 0x31, 0x62, 0x3D, 0x55, 0xB1, 0xE4, 0x71 }
marcozecchini	0:9fca2b23d0ba	1167	};
marcozecchini	0:9fca2b23d0ba	1168	#endif /* MBEDTLS_CIPHER_MODE_CFB */
marcozecchini	0:9fca2b23d0ba	1169
marcozecchini	0:9fca2b23d0ba	1170	#if defined(MBEDTLS_CIPHER_MODE_CTR)
marcozecchini	0:9fca2b23d0ba	1171	/*
marcozecchini	0:9fca2b23d0ba	1172	* AES-CTR test vectors from:
marcozecchini	0:9fca2b23d0ba	1173	*
marcozecchini	0:9fca2b23d0ba	1174	* http://www.faqs.org/rfcs/rfc3686.html
marcozecchini	0:9fca2b23d0ba	1175	*/
marcozecchini	0:9fca2b23d0ba	1176
marcozecchini	0:9fca2b23d0ba	1177	static const unsigned char aes_test_ctr_key[3][16] =
marcozecchini	0:9fca2b23d0ba	1178	{
marcozecchini	0:9fca2b23d0ba	1179	{ 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC,
marcozecchini	0:9fca2b23d0ba	1180	0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E },
marcozecchini	0:9fca2b23d0ba	1181	{ 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7,
marcozecchini	0:9fca2b23d0ba	1182	0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 },
marcozecchini	0:9fca2b23d0ba	1183	{ 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8,
marcozecchini	0:9fca2b23d0ba	1184	0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC }
marcozecchini	0:9fca2b23d0ba	1185	};
marcozecchini	0:9fca2b23d0ba	1186
marcozecchini	0:9fca2b23d0ba	1187	static const unsigned char aes_test_ctr_nonce_counter[3][16] =
marcozecchini	0:9fca2b23d0ba	1188	{
marcozecchini	0:9fca2b23d0ba	1189	{ 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
marcozecchini	0:9fca2b23d0ba	1190	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
marcozecchini	0:9fca2b23d0ba	1191	{ 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59,
marcozecchini	0:9fca2b23d0ba	1192	0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 },
marcozecchini	0:9fca2b23d0ba	1193	{ 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F,
marcozecchini	0:9fca2b23d0ba	1194	0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 }
marcozecchini	0:9fca2b23d0ba	1195	};
marcozecchini	0:9fca2b23d0ba	1196
marcozecchini	0:9fca2b23d0ba	1197	static const unsigned char aes_test_ctr_pt[3][48] =
marcozecchini	0:9fca2b23d0ba	1198	{
marcozecchini	0:9fca2b23d0ba	1199	{ 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62,
marcozecchini	0:9fca2b23d0ba	1200	0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 },
marcozecchini	0:9fca2b23d0ba	1201
marcozecchini	0:9fca2b23d0ba	1202	{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
marcozecchini	0:9fca2b23d0ba	1203	0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
marcozecchini	0:9fca2b23d0ba	1204	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
marcozecchini	0:9fca2b23d0ba	1205	0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
marcozecchini	0:9fca2b23d0ba	1206
marcozecchini	0:9fca2b23d0ba	1207	{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
marcozecchini	0:9fca2b23d0ba	1208	0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
marcozecchini	0:9fca2b23d0ba	1209	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
marcozecchini	0:9fca2b23d0ba	1210	0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
marcozecchini	0:9fca2b23d0ba	1211	0x20, 0x21, 0x22, 0x23 }
marcozecchini	0:9fca2b23d0ba	1212	};
marcozecchini	0:9fca2b23d0ba	1213
marcozecchini	0:9fca2b23d0ba	1214	static const unsigned char aes_test_ctr_ct[3][48] =
marcozecchini	0:9fca2b23d0ba	1215	{
marcozecchini	0:9fca2b23d0ba	1216	{ 0xE4, 0x09, 0x5D, 0x4F, 0xB7, 0xA7, 0xB3, 0x79,
marcozecchini	0:9fca2b23d0ba	1217	0x2D, 0x61, 0x75, 0xA3, 0x26, 0x13, 0x11, 0xB8 },
marcozecchini	0:9fca2b23d0ba	1218	{ 0x51, 0x04, 0xA1, 0x06, 0x16, 0x8A, 0x72, 0xD9,
marcozecchini	0:9fca2b23d0ba	1219	0x79, 0x0D, 0x41, 0xEE, 0x8E, 0xDA, 0xD3, 0x88,
marcozecchini	0:9fca2b23d0ba	1220	0xEB, 0x2E, 0x1E, 0xFC, 0x46, 0xDA, 0x57, 0xC8,
marcozecchini	0:9fca2b23d0ba	1221	0xFC, 0xE6, 0x30, 0xDF, 0x91, 0x41, 0xBE, 0x28 },
marcozecchini	0:9fca2b23d0ba	1222	{ 0xC1, 0xCF, 0x48, 0xA8, 0x9F, 0x2F, 0xFD, 0xD9,
marcozecchini	0:9fca2b23d0ba	1223	0xCF, 0x46, 0x52, 0xE9, 0xEF, 0xDB, 0x72, 0xD7,
marcozecchini	0:9fca2b23d0ba	1224	0x45, 0x40, 0xA4, 0x2B, 0xDE, 0x6D, 0x78, 0x36,
marcozecchini	0:9fca2b23d0ba	1225	0xD5, 0x9A, 0x5C, 0xEA, 0xAE, 0xF3, 0x10, 0x53,
marcozecchini	0:9fca2b23d0ba	1226	0x25, 0xB2, 0x07, 0x2F }
marcozecchini	0:9fca2b23d0ba	1227	};
marcozecchini	0:9fca2b23d0ba	1228
marcozecchini	0:9fca2b23d0ba	1229	static const int aes_test_ctr_len[3] =
marcozecchini	0:9fca2b23d0ba	1230	{ 16, 32, 36 };
marcozecchini	0:9fca2b23d0ba	1231	#endif /* MBEDTLS_CIPHER_MODE_CTR */
marcozecchini	0:9fca2b23d0ba	1232
marcozecchini	0:9fca2b23d0ba	1233	/*
marcozecchini	0:9fca2b23d0ba	1234	* Checkup routine
marcozecchini	0:9fca2b23d0ba	1235	*/
marcozecchini	0:9fca2b23d0ba	1236	int mbedtls_aes_self_test( int verbose )
marcozecchini	0:9fca2b23d0ba	1237	{
marcozecchini	0:9fca2b23d0ba	1238	int ret = 0, i, j, u, v;
marcozecchini	0:9fca2b23d0ba	1239	unsigned char key[32];
marcozecchini	0:9fca2b23d0ba	1240	unsigned char buf[64];
marcozecchini	0:9fca2b23d0ba	1241	#if defined(MBEDTLS_CIPHER_MODE_CBC) \|\| defined(MBEDTLS_CIPHER_MODE_CFB)
marcozecchini	0:9fca2b23d0ba	1242	unsigned char iv[16];
marcozecchini	0:9fca2b23d0ba	1243	#endif
marcozecchini	0:9fca2b23d0ba	1244	#if defined(MBEDTLS_CIPHER_MODE_CBC)
marcozecchini	0:9fca2b23d0ba	1245	unsigned char prv[16];
marcozecchini	0:9fca2b23d0ba	1246	#endif
marcozecchini	0:9fca2b23d0ba	1247	#if defined(MBEDTLS_CIPHER_MODE_CTR) \|\| defined(MBEDTLS_CIPHER_MODE_CFB)
marcozecchini	0:9fca2b23d0ba	1248	size_t offset;
marcozecchini	0:9fca2b23d0ba	1249	#endif
marcozecchini	0:9fca2b23d0ba	1250	#if defined(MBEDTLS_CIPHER_MODE_CTR)
marcozecchini	0:9fca2b23d0ba	1251	int len;
marcozecchini	0:9fca2b23d0ba	1252	unsigned char nonce_counter[16];
marcozecchini	0:9fca2b23d0ba	1253	unsigned char stream_block[16];
marcozecchini	0:9fca2b23d0ba	1254	#endif
marcozecchini	0:9fca2b23d0ba	1255	mbedtls_aes_context ctx;
marcozecchini	0:9fca2b23d0ba	1256
marcozecchini	0:9fca2b23d0ba	1257	memset( key, 0, 32 );
marcozecchini	0:9fca2b23d0ba	1258	mbedtls_aes_init( &ctx );
marcozecchini	0:9fca2b23d0ba	1259
marcozecchini	0:9fca2b23d0ba	1260	/*
marcozecchini	0:9fca2b23d0ba	1261	* ECB mode
marcozecchini	0:9fca2b23d0ba	1262	*/
marcozecchini	0:9fca2b23d0ba	1263	for( i = 0; i < 6; i++ )
marcozecchini	0:9fca2b23d0ba	1264	{
marcozecchini	0:9fca2b23d0ba	1265	u = i >> 1;
marcozecchini	0:9fca2b23d0ba	1266	v = i & 1;
marcozecchini	0:9fca2b23d0ba	1267
marcozecchini	0:9fca2b23d0ba	1268	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1269	mbedtls_printf( " AES-ECB-%3d (%s): ", 128 + u * 64,
marcozecchini	0:9fca2b23d0ba	1270	( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
marcozecchini	0:9fca2b23d0ba	1271
marcozecchini	0:9fca2b23d0ba	1272	memset( buf, 0, 16 );
marcozecchini	0:9fca2b23d0ba	1273
marcozecchini	0:9fca2b23d0ba	1274	if( v == MBEDTLS_AES_DECRYPT )
marcozecchini	0:9fca2b23d0ba	1275	{
marcozecchini	0:9fca2b23d0ba	1276	mbedtls_aes_setkey_dec( &ctx, key, 128 + u * 64 );
marcozecchini	0:9fca2b23d0ba	1277
marcozecchini	0:9fca2b23d0ba	1278	for( j = 0; j < 10000; j++ )
marcozecchini	0:9fca2b23d0ba	1279	mbedtls_aes_crypt_ecb( &ctx, v, buf, buf );
marcozecchini	0:9fca2b23d0ba	1280
marcozecchini	0:9fca2b23d0ba	1281	if( memcmp( buf, aes_test_ecb_dec[u], 16 ) != 0 )
marcozecchini	0:9fca2b23d0ba	1282	{
marcozecchini	0:9fca2b23d0ba	1283	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1284	mbedtls_printf( "failed\n" );
marcozecchini	0:9fca2b23d0ba	1285
marcozecchini	0:9fca2b23d0ba	1286	ret = 1;
marcozecchini	0:9fca2b23d0ba	1287	goto exit;
marcozecchini	0:9fca2b23d0ba	1288	}
marcozecchini	0:9fca2b23d0ba	1289	}
marcozecchini	0:9fca2b23d0ba	1290	else
marcozecchini	0:9fca2b23d0ba	1291	{
marcozecchini	0:9fca2b23d0ba	1292	mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
marcozecchini	0:9fca2b23d0ba	1293
marcozecchini	0:9fca2b23d0ba	1294	for( j = 0; j < 10000; j++ )
marcozecchini	0:9fca2b23d0ba	1295	mbedtls_aes_crypt_ecb( &ctx, v, buf, buf );
marcozecchini	0:9fca2b23d0ba	1296
marcozecchini	0:9fca2b23d0ba	1297	if( memcmp( buf, aes_test_ecb_enc[u], 16 ) != 0 )
marcozecchini	0:9fca2b23d0ba	1298	{
marcozecchini	0:9fca2b23d0ba	1299	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1300	mbedtls_printf( "failed\n" );
marcozecchini	0:9fca2b23d0ba	1301
marcozecchini	0:9fca2b23d0ba	1302	ret = 1;
marcozecchini	0:9fca2b23d0ba	1303	goto exit;
marcozecchini	0:9fca2b23d0ba	1304	}
marcozecchini	0:9fca2b23d0ba	1305	}
marcozecchini	0:9fca2b23d0ba	1306
marcozecchini	0:9fca2b23d0ba	1307	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1308	mbedtls_printf( "passed\n" );
marcozecchini	0:9fca2b23d0ba	1309	}
marcozecchini	0:9fca2b23d0ba	1310
marcozecchini	0:9fca2b23d0ba	1311	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1312	mbedtls_printf( "\n" );
marcozecchini	0:9fca2b23d0ba	1313
marcozecchini	0:9fca2b23d0ba	1314	#if defined(MBEDTLS_CIPHER_MODE_CBC)
marcozecchini	0:9fca2b23d0ba	1315	/*
marcozecchini	0:9fca2b23d0ba	1316	* CBC mode
marcozecchini	0:9fca2b23d0ba	1317	*/
marcozecchini	0:9fca2b23d0ba	1318	for( i = 0; i < 6; i++ )
marcozecchini	0:9fca2b23d0ba	1319	{
marcozecchini	0:9fca2b23d0ba	1320	u = i >> 1;
marcozecchini	0:9fca2b23d0ba	1321	v = i & 1;
marcozecchini	0:9fca2b23d0ba	1322
marcozecchini	0:9fca2b23d0ba	1323	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1324	mbedtls_printf( " AES-CBC-%3d (%s): ", 128 + u * 64,
marcozecchini	0:9fca2b23d0ba	1325	( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
marcozecchini	0:9fca2b23d0ba	1326
marcozecchini	0:9fca2b23d0ba	1327	memset( iv , 0, 16 );
marcozecchini	0:9fca2b23d0ba	1328	memset( prv, 0, 16 );
marcozecchini	0:9fca2b23d0ba	1329	memset( buf, 0, 16 );
marcozecchini	0:9fca2b23d0ba	1330
marcozecchini	0:9fca2b23d0ba	1331	if( v == MBEDTLS_AES_DECRYPT )
marcozecchini	0:9fca2b23d0ba	1332	{
marcozecchini	0:9fca2b23d0ba	1333	mbedtls_aes_setkey_dec( &ctx, key, 128 + u * 64 );
marcozecchini	0:9fca2b23d0ba	1334
marcozecchini	0:9fca2b23d0ba	1335	for( j = 0; j < 10000; j++ )
marcozecchini	0:9fca2b23d0ba	1336	mbedtls_aes_crypt_cbc( &ctx, v, 16, iv, buf, buf );
marcozecchini	0:9fca2b23d0ba	1337
marcozecchini	0:9fca2b23d0ba	1338	if( memcmp( buf, aes_test_cbc_dec[u], 16 ) != 0 )
marcozecchini	0:9fca2b23d0ba	1339	{
marcozecchini	0:9fca2b23d0ba	1340	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1341	mbedtls_printf( "failed\n" );
marcozecchini	0:9fca2b23d0ba	1342
marcozecchini	0:9fca2b23d0ba	1343	ret = 1;
marcozecchini	0:9fca2b23d0ba	1344	goto exit;
marcozecchini	0:9fca2b23d0ba	1345	}
marcozecchini	0:9fca2b23d0ba	1346	}
marcozecchini	0:9fca2b23d0ba	1347	else
marcozecchini	0:9fca2b23d0ba	1348	{
marcozecchini	0:9fca2b23d0ba	1349	mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
marcozecchini	0:9fca2b23d0ba	1350
marcozecchini	0:9fca2b23d0ba	1351	for( j = 0; j < 10000; j++ )
marcozecchini	0:9fca2b23d0ba	1352	{
marcozecchini	0:9fca2b23d0ba	1353	unsigned char tmp[16];
marcozecchini	0:9fca2b23d0ba	1354
marcozecchini	0:9fca2b23d0ba	1355	mbedtls_aes_crypt_cbc( &ctx, v, 16, iv, buf, buf );
marcozecchini	0:9fca2b23d0ba	1356
marcozecchini	0:9fca2b23d0ba	1357	memcpy( tmp, prv, 16 );
marcozecchini	0:9fca2b23d0ba	1358	memcpy( prv, buf, 16 );
marcozecchini	0:9fca2b23d0ba	1359	memcpy( buf, tmp, 16 );
marcozecchini	0:9fca2b23d0ba	1360	}
marcozecchini	0:9fca2b23d0ba	1361
marcozecchini	0:9fca2b23d0ba	1362	if( memcmp( prv, aes_test_cbc_enc[u], 16 ) != 0 )
marcozecchini	0:9fca2b23d0ba	1363	{
marcozecchini	0:9fca2b23d0ba	1364	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1365	mbedtls_printf( "failed\n" );
marcozecchini	0:9fca2b23d0ba	1366
marcozecchini	0:9fca2b23d0ba	1367	ret = 1;
marcozecchini	0:9fca2b23d0ba	1368	goto exit;
marcozecchini	0:9fca2b23d0ba	1369	}
marcozecchini	0:9fca2b23d0ba	1370	}
marcozecchini	0:9fca2b23d0ba	1371
marcozecchini	0:9fca2b23d0ba	1372	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1373	mbedtls_printf( "passed\n" );
marcozecchini	0:9fca2b23d0ba	1374	}
marcozecchini	0:9fca2b23d0ba	1375
marcozecchini	0:9fca2b23d0ba	1376	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1377	mbedtls_printf( "\n" );
marcozecchini	0:9fca2b23d0ba	1378	#endif /* MBEDTLS_CIPHER_MODE_CBC */
marcozecchini	0:9fca2b23d0ba	1379
marcozecchini	0:9fca2b23d0ba	1380	#if defined(MBEDTLS_CIPHER_MODE_CFB)
marcozecchini	0:9fca2b23d0ba	1381	/*
marcozecchini	0:9fca2b23d0ba	1382	* CFB128 mode
marcozecchini	0:9fca2b23d0ba	1383	*/
marcozecchini	0:9fca2b23d0ba	1384	for( i = 0; i < 6; i++ )
marcozecchini	0:9fca2b23d0ba	1385	{
marcozecchini	0:9fca2b23d0ba	1386	u = i >> 1;
marcozecchini	0:9fca2b23d0ba	1387	v = i & 1;
marcozecchini	0:9fca2b23d0ba	1388
marcozecchini	0:9fca2b23d0ba	1389	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1390	mbedtls_printf( " AES-CFB128-%3d (%s): ", 128 + u * 64,
marcozecchini	0:9fca2b23d0ba	1391	( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
marcozecchini	0:9fca2b23d0ba	1392
marcozecchini	0:9fca2b23d0ba	1393	memcpy( iv, aes_test_cfb128_iv, 16 );
marcozecchini	0:9fca2b23d0ba	1394	memcpy( key, aes_test_cfb128_key[u], 16 + u * 8 );
marcozecchini	0:9fca2b23d0ba	1395
marcozecchini	0:9fca2b23d0ba	1396	offset = 0;
marcozecchini	0:9fca2b23d0ba	1397	mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
marcozecchini	0:9fca2b23d0ba	1398
marcozecchini	0:9fca2b23d0ba	1399	if( v == MBEDTLS_AES_DECRYPT )
marcozecchini	0:9fca2b23d0ba	1400	{
marcozecchini	0:9fca2b23d0ba	1401	memcpy( buf, aes_test_cfb128_ct[u], 64 );
marcozecchini	0:9fca2b23d0ba	1402	mbedtls_aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
marcozecchini	0:9fca2b23d0ba	1403
marcozecchini	0:9fca2b23d0ba	1404	if( memcmp( buf, aes_test_cfb128_pt, 64 ) != 0 )
marcozecchini	0:9fca2b23d0ba	1405	{
marcozecchini	0:9fca2b23d0ba	1406	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1407	mbedtls_printf( "failed\n" );
marcozecchini	0:9fca2b23d0ba	1408
marcozecchini	0:9fca2b23d0ba	1409	ret = 1;
marcozecchini	0:9fca2b23d0ba	1410	goto exit;
marcozecchini	0:9fca2b23d0ba	1411	}
marcozecchini	0:9fca2b23d0ba	1412	}
marcozecchini	0:9fca2b23d0ba	1413	else
marcozecchini	0:9fca2b23d0ba	1414	{
marcozecchini	0:9fca2b23d0ba	1415	memcpy( buf, aes_test_cfb128_pt, 64 );
marcozecchini	0:9fca2b23d0ba	1416	mbedtls_aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
marcozecchini	0:9fca2b23d0ba	1417
marcozecchini	0:9fca2b23d0ba	1418	if( memcmp( buf, aes_test_cfb128_ct[u], 64 ) != 0 )
marcozecchini	0:9fca2b23d0ba	1419	{
marcozecchini	0:9fca2b23d0ba	1420	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1421	mbedtls_printf( "failed\n" );
marcozecchini	0:9fca2b23d0ba	1422
marcozecchini	0:9fca2b23d0ba	1423	ret = 1;
marcozecchini	0:9fca2b23d0ba	1424	goto exit;
marcozecchini	0:9fca2b23d0ba	1425	}
marcozecchini	0:9fca2b23d0ba	1426	}
marcozecchini	0:9fca2b23d0ba	1427
marcozecchini	0:9fca2b23d0ba	1428	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1429	mbedtls_printf( "passed\n" );
marcozecchini	0:9fca2b23d0ba	1430	}
marcozecchini	0:9fca2b23d0ba	1431
marcozecchini	0:9fca2b23d0ba	1432	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1433	mbedtls_printf( "\n" );
marcozecchini	0:9fca2b23d0ba	1434	#endif /* MBEDTLS_CIPHER_MODE_CFB */
marcozecchini	0:9fca2b23d0ba	1435
marcozecchini	0:9fca2b23d0ba	1436	#if defined(MBEDTLS_CIPHER_MODE_CTR)
marcozecchini	0:9fca2b23d0ba	1437	/*
marcozecchini	0:9fca2b23d0ba	1438	* CTR mode
marcozecchini	0:9fca2b23d0ba	1439	*/
marcozecchini	0:9fca2b23d0ba	1440	for( i = 0; i < 6; i++ )
marcozecchini	0:9fca2b23d0ba	1441	{
marcozecchini	0:9fca2b23d0ba	1442	u = i >> 1;
marcozecchini	0:9fca2b23d0ba	1443	v = i & 1;
marcozecchini	0:9fca2b23d0ba	1444
marcozecchini	0:9fca2b23d0ba	1445	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1446	mbedtls_printf( " AES-CTR-128 (%s): ",
marcozecchini	0:9fca2b23d0ba	1447	( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
marcozecchini	0:9fca2b23d0ba	1448
marcozecchini	0:9fca2b23d0ba	1449	memcpy( nonce_counter, aes_test_ctr_nonce_counter[u], 16 );
marcozecchini	0:9fca2b23d0ba	1450	memcpy( key, aes_test_ctr_key[u], 16 );
marcozecchini	0:9fca2b23d0ba	1451
marcozecchini	0:9fca2b23d0ba	1452	offset = 0;
marcozecchini	0:9fca2b23d0ba	1453	mbedtls_aes_setkey_enc( &ctx, key, 128 );
marcozecchini	0:9fca2b23d0ba	1454
marcozecchini	0:9fca2b23d0ba	1455	if( v == MBEDTLS_AES_DECRYPT )
marcozecchini	0:9fca2b23d0ba	1456	{
marcozecchini	0:9fca2b23d0ba	1457	len = aes_test_ctr_len[u];
marcozecchini	0:9fca2b23d0ba	1458	memcpy( buf, aes_test_ctr_ct[u], len );
marcozecchini	0:9fca2b23d0ba	1459
marcozecchini	0:9fca2b23d0ba	1460	mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
marcozecchini	0:9fca2b23d0ba	1461	buf, buf );
marcozecchini	0:9fca2b23d0ba	1462
marcozecchini	0:9fca2b23d0ba	1463	if( memcmp( buf, aes_test_ctr_pt[u], len ) != 0 )
marcozecchini	0:9fca2b23d0ba	1464	{
marcozecchini	0:9fca2b23d0ba	1465	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1466	mbedtls_printf( "failed\n" );
marcozecchini	0:9fca2b23d0ba	1467
marcozecchini	0:9fca2b23d0ba	1468	ret = 1;
marcozecchini	0:9fca2b23d0ba	1469	goto exit;
marcozecchini	0:9fca2b23d0ba	1470	}
marcozecchini	0:9fca2b23d0ba	1471	}
marcozecchini	0:9fca2b23d0ba	1472	else
marcozecchini	0:9fca2b23d0ba	1473	{
marcozecchini	0:9fca2b23d0ba	1474	len = aes_test_ctr_len[u];
marcozecchini	0:9fca2b23d0ba	1475	memcpy( buf, aes_test_ctr_pt[u], len );
marcozecchini	0:9fca2b23d0ba	1476
marcozecchini	0:9fca2b23d0ba	1477	mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
marcozecchini	0:9fca2b23d0ba	1478	buf, buf );
marcozecchini	0:9fca2b23d0ba	1479
marcozecchini	0:9fca2b23d0ba	1480	if( memcmp( buf, aes_test_ctr_ct[u], len ) != 0 )
marcozecchini	0:9fca2b23d0ba	1481	{
marcozecchini	0:9fca2b23d0ba	1482	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1483	mbedtls_printf( "failed\n" );
marcozecchini	0:9fca2b23d0ba	1484
marcozecchini	0:9fca2b23d0ba	1485	ret = 1;
marcozecchini	0:9fca2b23d0ba	1486	goto exit;
marcozecchini	0:9fca2b23d0ba	1487	}
marcozecchini	0:9fca2b23d0ba	1488	}
marcozecchini	0:9fca2b23d0ba	1489
marcozecchini	0:9fca2b23d0ba	1490	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1491	mbedtls_printf( "passed\n" );
marcozecchini	0:9fca2b23d0ba	1492	}
marcozecchini	0:9fca2b23d0ba	1493
marcozecchini	0:9fca2b23d0ba	1494	if( verbose != 0 )
marcozecchini	0:9fca2b23d0ba	1495	mbedtls_printf( "\n" );
marcozecchini	0:9fca2b23d0ba	1496	#endif /* MBEDTLS_CIPHER_MODE_CTR */
marcozecchini	0:9fca2b23d0ba	1497
marcozecchini	0:9fca2b23d0ba	1498	ret = 0;
marcozecchini	0:9fca2b23d0ba	1499
marcozecchini	0:9fca2b23d0ba	1500	exit:
marcozecchini	0:9fca2b23d0ba	1501	mbedtls_aes_free( &ctx );
marcozecchini	0:9fca2b23d0ba	1502
marcozecchini	0:9fca2b23d0ba	1503	return( ret );
marcozecchini	0:9fca2b23d0ba	1504	}
marcozecchini	0:9fca2b23d0ba	1505
marcozecchini	0:9fca2b23d0ba	1506	#endif /* MBEDTLS_SELF_TEST */
marcozecchini	0:9fca2b23d0ba	1507
marcozecchini	0:9fca2b23d0ba	1508	#endif /* MBEDTLS_AES_C */

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Type:	Program
Mbed OS support:	Mbed OS
Created:	23 Feb 2019
Imports:	43
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	1

mbed-os/features/mbedtls/src/aes.c@0:9fca2b23d0ba, 2019-02-23 (annotated)

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