aes-gcm-test-program - Example program to test AES-GCM functionality. Us…

Users » HannesTschofenig » Code » aes-gcm-test-program

Hannes Tschofenig / Mbed 2 deprecated aes-gcm-test-program

Example program to test AES-GCM functionality. Used for a workshop

SSL/library/aes.c@0:796d0f61a05b, 2018-09-27 (annotated)

Committer:: HannesTschofenig
Date:: Thu Sep 27 06:34:22 2018 +0000
Revision:: 0:796d0f61a05b

Example AES-GCM test program

Who changed what in which revision?

User	Revision	Line number	New contents of line
HannesTschofenig	0:796d0f61a05b	1	/*
HannesTschofenig	0:796d0f61a05b	2	* FIPS-197 compliant AES implementation
HannesTschofenig	0:796d0f61a05b	3	*
HannesTschofenig	0:796d0f61a05b	4	* Copyright (C) 2006-2014, Brainspark B.V.
HannesTschofenig	0:796d0f61a05b	5	*
HannesTschofenig	0:796d0f61a05b	6	* This file is part of PolarSSL (http://www.polarssl.org)
HannesTschofenig	0:796d0f61a05b	7	* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
HannesTschofenig	0:796d0f61a05b	8	*
HannesTschofenig	0:796d0f61a05b	9	* All rights reserved.
HannesTschofenig	0:796d0f61a05b	10	*
HannesTschofenig	0:796d0f61a05b	11	* This program is free software; you can redistribute it and/or modify
HannesTschofenig	0:796d0f61a05b	12	* it under the terms of the GNU General Public License as published by
HannesTschofenig	0:796d0f61a05b	13	* the Free Software Foundation; either version 2 of the License, or
HannesTschofenig	0:796d0f61a05b	14	* (at your option) any later version.
HannesTschofenig	0:796d0f61a05b	15	*
HannesTschofenig	0:796d0f61a05b	16	* This program is distributed in the hope that it will be useful,
HannesTschofenig	0:796d0f61a05b	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
HannesTschofenig	0:796d0f61a05b	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
HannesTschofenig	0:796d0f61a05b	19	* GNU General Public License for more details.
HannesTschofenig	0:796d0f61a05b	20	*
HannesTschofenig	0:796d0f61a05b	21	* You should have received a copy of the GNU General Public License along
HannesTschofenig	0:796d0f61a05b	22	* with this program; if not, write to the Free Software Foundation, Inc.,
HannesTschofenig	0:796d0f61a05b	23	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
HannesTschofenig	0:796d0f61a05b	24	*/
HannesTschofenig	0:796d0f61a05b	25	/*
HannesTschofenig	0:796d0f61a05b	26	* The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
HannesTschofenig	0:796d0f61a05b	27	*
HannesTschofenig	0:796d0f61a05b	28	* http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
HannesTschofenig	0:796d0f61a05b	29	* http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
HannesTschofenig	0:796d0f61a05b	30	*/
HannesTschofenig	0:796d0f61a05b	31
HannesTschofenig	0:796d0f61a05b	32	#if !defined(POLARSSL_CONFIG_FILE)
HannesTschofenig	0:796d0f61a05b	33	#include "polarssl/config.h"
HannesTschofenig	0:796d0f61a05b	34	#else
HannesTschofenig	0:796d0f61a05b	35	#include POLARSSL_CONFIG_FILE
HannesTschofenig	0:796d0f61a05b	36	#endif
HannesTschofenig	0:796d0f61a05b	37
HannesTschofenig	0:796d0f61a05b	38	#if defined(POLARSSL_AES_C)
HannesTschofenig	0:796d0f61a05b	39
HannesTschofenig	0:796d0f61a05b	40	#include "polarssl/aes.h"
HannesTschofenig	0:796d0f61a05b	41	#if defined(POLARSSL_PADLOCK_C)
HannesTschofenig	0:796d0f61a05b	42	#include "polarssl/padlock.h"
HannesTschofenig	0:796d0f61a05b	43	#endif
HannesTschofenig	0:796d0f61a05b	44	#if defined(POLARSSL_AESNI_C)
HannesTschofenig	0:796d0f61a05b	45	#include "polarssl/aesni.h"
HannesTschofenig	0:796d0f61a05b	46	#endif
HannesTschofenig	0:796d0f61a05b	47
HannesTschofenig	0:796d0f61a05b	48	#if defined(POLARSSL_PLATFORM_C)
HannesTschofenig	0:796d0f61a05b	49	#include "polarssl/platform.h"
HannesTschofenig	0:796d0f61a05b	50	#else
HannesTschofenig	0:796d0f61a05b	51	#define polarssl_printf printf
HannesTschofenig	0:796d0f61a05b	52	#endif
HannesTschofenig	0:796d0f61a05b	53
HannesTschofenig	0:796d0f61a05b	54	#if !defined(POLARSSL_AES_ALT)
HannesTschofenig	0:796d0f61a05b	55
HannesTschofenig	0:796d0f61a05b	56	/*
HannesTschofenig	0:796d0f61a05b	57	* 32-bit integer manipulation macros (little endian)
HannesTschofenig	0:796d0f61a05b	58	*/
HannesTschofenig	0:796d0f61a05b	59	#ifndef GET_UINT32_LE
HannesTschofenig	0:796d0f61a05b	60	#define GET_UINT32_LE(n,b,i) \
HannesTschofenig	0:796d0f61a05b	61	{ \
HannesTschofenig	0:796d0f61a05b	62	(n) = ( (uint32_t) (b)[(i) ] ) \
HannesTschofenig	0:796d0f61a05b	63	\| ( (uint32_t) (b)[(i) + 1] << 8 ) \
HannesTschofenig	0:796d0f61a05b	64	\| ( (uint32_t) (b)[(i) + 2] << 16 ) \
HannesTschofenig	0:796d0f61a05b	65	\| ( (uint32_t) (b)[(i) + 3] << 24 ); \
HannesTschofenig	0:796d0f61a05b	66	}
HannesTschofenig	0:796d0f61a05b	67	#endif
HannesTschofenig	0:796d0f61a05b	68
HannesTschofenig	0:796d0f61a05b	69	#ifndef PUT_UINT32_LE
HannesTschofenig	0:796d0f61a05b	70	#define PUT_UINT32_LE(n,b,i) \
HannesTschofenig	0:796d0f61a05b	71	{ \
HannesTschofenig	0:796d0f61a05b	72	(b)[(i) ] = (unsigned char) ( (n) ); \
HannesTschofenig	0:796d0f61a05b	73	(b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \
HannesTschofenig	0:796d0f61a05b	74	(b)[(i) + 2] = (unsigned char) ( (n) >> 16 ); \
HannesTschofenig	0:796d0f61a05b	75	(b)[(i) + 3] = (unsigned char) ( (n) >> 24 ); \
HannesTschofenig	0:796d0f61a05b	76	}
HannesTschofenig	0:796d0f61a05b	77	#endif
HannesTschofenig	0:796d0f61a05b	78
HannesTschofenig	0:796d0f61a05b	79	#if defined(POLARSSL_PADLOCK_C) && \
HannesTschofenig	0:796d0f61a05b	80	( defined(POLARSSL_HAVE_X86) \|\| defined(PADLOCK_ALIGN16) )
HannesTschofenig	0:796d0f61a05b	81	static int aes_padlock_ace = -1;
HannesTschofenig	0:796d0f61a05b	82	#endif
HannesTschofenig	0:796d0f61a05b	83
HannesTschofenig	0:796d0f61a05b	84	#if defined(POLARSSL_AES_ROM_TABLES)
HannesTschofenig	0:796d0f61a05b	85	/*
HannesTschofenig	0:796d0f61a05b	86	* Forward S-box
HannesTschofenig	0:796d0f61a05b	87	*/
HannesTschofenig	0:796d0f61a05b	88	static const unsigned char FSb[256] =
HannesTschofenig	0:796d0f61a05b	89	{
HannesTschofenig	0:796d0f61a05b	90	0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
HannesTschofenig	0:796d0f61a05b	91	0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
HannesTschofenig	0:796d0f61a05b	92	0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
HannesTschofenig	0:796d0f61a05b	93	0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
HannesTschofenig	0:796d0f61a05b	94	0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
HannesTschofenig	0:796d0f61a05b	95	0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
HannesTschofenig	0:796d0f61a05b	96	0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
HannesTschofenig	0:796d0f61a05b	97	0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
HannesTschofenig	0:796d0f61a05b	98	0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
HannesTschofenig	0:796d0f61a05b	99	0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
HannesTschofenig	0:796d0f61a05b	100	0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
HannesTschofenig	0:796d0f61a05b	101	0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
HannesTschofenig	0:796d0f61a05b	102	0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
HannesTschofenig	0:796d0f61a05b	103	0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
HannesTschofenig	0:796d0f61a05b	104	0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
HannesTschofenig	0:796d0f61a05b	105	0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
HannesTschofenig	0:796d0f61a05b	106	0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
HannesTschofenig	0:796d0f61a05b	107	0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
HannesTschofenig	0:796d0f61a05b	108	0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
HannesTschofenig	0:796d0f61a05b	109	0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
HannesTschofenig	0:796d0f61a05b	110	0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
HannesTschofenig	0:796d0f61a05b	111	0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
HannesTschofenig	0:796d0f61a05b	112	0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
HannesTschofenig	0:796d0f61a05b	113	0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
HannesTschofenig	0:796d0f61a05b	114	0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
HannesTschofenig	0:796d0f61a05b	115	0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
HannesTschofenig	0:796d0f61a05b	116	0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
HannesTschofenig	0:796d0f61a05b	117	0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
HannesTschofenig	0:796d0f61a05b	118	0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
HannesTschofenig	0:796d0f61a05b	119	0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
HannesTschofenig	0:796d0f61a05b	120	0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
HannesTschofenig	0:796d0f61a05b	121	0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
HannesTschofenig	0:796d0f61a05b	122	};
HannesTschofenig	0:796d0f61a05b	123
HannesTschofenig	0:796d0f61a05b	124	/*
HannesTschofenig	0:796d0f61a05b	125	* Forward tables
HannesTschofenig	0:796d0f61a05b	126	*/
HannesTschofenig	0:796d0f61a05b	127	#define FT \
HannesTschofenig	0:796d0f61a05b	128	\
HannesTschofenig	0:796d0f61a05b	129	V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \
HannesTschofenig	0:796d0f61a05b	130	V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \
HannesTschofenig	0:796d0f61a05b	131	V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \
HannesTschofenig	0:796d0f61a05b	132	V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \
HannesTschofenig	0:796d0f61a05b	133	V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \
HannesTschofenig	0:796d0f61a05b	134	V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \
HannesTschofenig	0:796d0f61a05b	135	V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \
HannesTschofenig	0:796d0f61a05b	136	V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \
HannesTschofenig	0:796d0f61a05b	137	V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \
HannesTschofenig	0:796d0f61a05b	138	V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \
HannesTschofenig	0:796d0f61a05b	139	V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \
HannesTschofenig	0:796d0f61a05b	140	V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \
HannesTschofenig	0:796d0f61a05b	141	V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \
HannesTschofenig	0:796d0f61a05b	142	V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \
HannesTschofenig	0:796d0f61a05b	143	V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \
HannesTschofenig	0:796d0f61a05b	144	V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \
HannesTschofenig	0:796d0f61a05b	145	V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \
HannesTschofenig	0:796d0f61a05b	146	V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \
HannesTschofenig	0:796d0f61a05b	147	V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \
HannesTschofenig	0:796d0f61a05b	148	V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \
HannesTschofenig	0:796d0f61a05b	149	V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \
HannesTschofenig	0:796d0f61a05b	150	V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \
HannesTschofenig	0:796d0f61a05b	151	V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \
HannesTschofenig	0:796d0f61a05b	152	V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \
HannesTschofenig	0:796d0f61a05b	153	V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \
HannesTschofenig	0:796d0f61a05b	154	V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \
HannesTschofenig	0:796d0f61a05b	155	V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \
HannesTschofenig	0:796d0f61a05b	156	V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \
HannesTschofenig	0:796d0f61a05b	157	V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \
HannesTschofenig	0:796d0f61a05b	158	V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \
HannesTschofenig	0:796d0f61a05b	159	V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \
HannesTschofenig	0:796d0f61a05b	160	V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \
HannesTschofenig	0:796d0f61a05b	161	V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \
HannesTschofenig	0:796d0f61a05b	162	V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \
HannesTschofenig	0:796d0f61a05b	163	V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \
HannesTschofenig	0:796d0f61a05b	164	V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \
HannesTschofenig	0:796d0f61a05b	165	V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \
HannesTschofenig	0:796d0f61a05b	166	V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \
HannesTschofenig	0:796d0f61a05b	167	V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \
HannesTschofenig	0:796d0f61a05b	168	V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \
HannesTschofenig	0:796d0f61a05b	169	V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \
HannesTschofenig	0:796d0f61a05b	170	V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \
HannesTschofenig	0:796d0f61a05b	171	V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \
HannesTschofenig	0:796d0f61a05b	172	V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \
HannesTschofenig	0:796d0f61a05b	173	V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \
HannesTschofenig	0:796d0f61a05b	174	V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \
HannesTschofenig	0:796d0f61a05b	175	V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \
HannesTschofenig	0:796d0f61a05b	176	V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \
HannesTschofenig	0:796d0f61a05b	177	V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \
HannesTschofenig	0:796d0f61a05b	178	V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \
HannesTschofenig	0:796d0f61a05b	179	V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \
HannesTschofenig	0:796d0f61a05b	180	V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \
HannesTschofenig	0:796d0f61a05b	181	V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \
HannesTschofenig	0:796d0f61a05b	182	V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \
HannesTschofenig	0:796d0f61a05b	183	V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \
HannesTschofenig	0:796d0f61a05b	184	V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \
HannesTschofenig	0:796d0f61a05b	185	V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \
HannesTschofenig	0:796d0f61a05b	186	V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \
HannesTschofenig	0:796d0f61a05b	187	V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \
HannesTschofenig	0:796d0f61a05b	188	V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \
HannesTschofenig	0:796d0f61a05b	189	V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \
HannesTschofenig	0:796d0f61a05b	190	V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \
HannesTschofenig	0:796d0f61a05b	191	V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \
HannesTschofenig	0:796d0f61a05b	192	V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C)
HannesTschofenig	0:796d0f61a05b	193
HannesTschofenig	0:796d0f61a05b	194	#define V(a,b,c,d) 0x##a##b##c##d
HannesTschofenig	0:796d0f61a05b	195	static const uint32_t FT0[256] = { FT };
HannesTschofenig	0:796d0f61a05b	196	#undef V
HannesTschofenig	0:796d0f61a05b	197
HannesTschofenig	0:796d0f61a05b	198	#define V(a,b,c,d) 0x##b##c##d##a
HannesTschofenig	0:796d0f61a05b	199	static const uint32_t FT1[256] = { FT };
HannesTschofenig	0:796d0f61a05b	200	#undef V
HannesTschofenig	0:796d0f61a05b	201
HannesTschofenig	0:796d0f61a05b	202	#define V(a,b,c,d) 0x##c##d##a##b
HannesTschofenig	0:796d0f61a05b	203	static const uint32_t FT2[256] = { FT };
HannesTschofenig	0:796d0f61a05b	204	#undef V
HannesTschofenig	0:796d0f61a05b	205
HannesTschofenig	0:796d0f61a05b	206	#define V(a,b,c,d) 0x##d##a##b##c
HannesTschofenig	0:796d0f61a05b	207	static const uint32_t FT3[256] = { FT };
HannesTschofenig	0:796d0f61a05b	208	#undef V
HannesTschofenig	0:796d0f61a05b	209
HannesTschofenig	0:796d0f61a05b	210	#undef FT
HannesTschofenig	0:796d0f61a05b	211
HannesTschofenig	0:796d0f61a05b	212	/*
HannesTschofenig	0:796d0f61a05b	213	* Reverse S-box
HannesTschofenig	0:796d0f61a05b	214	*/
HannesTschofenig	0:796d0f61a05b	215	static const unsigned char RSb[256] =
HannesTschofenig	0:796d0f61a05b	216	{
HannesTschofenig	0:796d0f61a05b	217	0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
HannesTschofenig	0:796d0f61a05b	218	0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
HannesTschofenig	0:796d0f61a05b	219	0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
HannesTschofenig	0:796d0f61a05b	220	0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
HannesTschofenig	0:796d0f61a05b	221	0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
HannesTschofenig	0:796d0f61a05b	222	0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
HannesTschofenig	0:796d0f61a05b	223	0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
HannesTschofenig	0:796d0f61a05b	224	0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
HannesTschofenig	0:796d0f61a05b	225	0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
HannesTschofenig	0:796d0f61a05b	226	0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
HannesTschofenig	0:796d0f61a05b	227	0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
HannesTschofenig	0:796d0f61a05b	228	0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
HannesTschofenig	0:796d0f61a05b	229	0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
HannesTschofenig	0:796d0f61a05b	230	0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
HannesTschofenig	0:796d0f61a05b	231	0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
HannesTschofenig	0:796d0f61a05b	232	0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
HannesTschofenig	0:796d0f61a05b	233	0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
HannesTschofenig	0:796d0f61a05b	234	0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
HannesTschofenig	0:796d0f61a05b	235	0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
HannesTschofenig	0:796d0f61a05b	236	0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
HannesTschofenig	0:796d0f61a05b	237	0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
HannesTschofenig	0:796d0f61a05b	238	0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
HannesTschofenig	0:796d0f61a05b	239	0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
HannesTschofenig	0:796d0f61a05b	240	0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
HannesTschofenig	0:796d0f61a05b	241	0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
HannesTschofenig	0:796d0f61a05b	242	0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
HannesTschofenig	0:796d0f61a05b	243	0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
HannesTschofenig	0:796d0f61a05b	244	0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
HannesTschofenig	0:796d0f61a05b	245	0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
HannesTschofenig	0:796d0f61a05b	246	0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
HannesTschofenig	0:796d0f61a05b	247	0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
HannesTschofenig	0:796d0f61a05b	248	0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
HannesTschofenig	0:796d0f61a05b	249	};
HannesTschofenig	0:796d0f61a05b	250
HannesTschofenig	0:796d0f61a05b	251	/*
HannesTschofenig	0:796d0f61a05b	252	* Reverse tables
HannesTschofenig	0:796d0f61a05b	253	*/
HannesTschofenig	0:796d0f61a05b	254	#define RT \
HannesTschofenig	0:796d0f61a05b	255	\
HannesTschofenig	0:796d0f61a05b	256	V(50,A7,F4,51), V(53,65,41,7E), V(C3,A4,17,1A), V(96,5E,27,3A), \
HannesTschofenig	0:796d0f61a05b	257	V(CB,6B,AB,3B), V(F1,45,9D,1F), V(AB,58,FA,AC), V(93,03,E3,4B), \
HannesTschofenig	0:796d0f61a05b	258	V(55,FA,30,20), V(F6,6D,76,AD), V(91,76,CC,88), V(25,4C,02,F5), \
HannesTschofenig	0:796d0f61a05b	259	V(FC,D7,E5,4F), V(D7,CB,2A,C5), V(80,44,35,26), V(8F,A3,62,B5), \
HannesTschofenig	0:796d0f61a05b	260	V(49,5A,B1,DE), V(67,1B,BA,25), V(98,0E,EA,45), V(E1,C0,FE,5D), \
HannesTschofenig	0:796d0f61a05b	261	V(02,75,2F,C3), V(12,F0,4C,81), V(A3,97,46,8D), V(C6,F9,D3,6B), \
HannesTschofenig	0:796d0f61a05b	262	V(E7,5F,8F,03), V(95,9C,92,15), V(EB,7A,6D,BF), V(DA,59,52,95), \
HannesTschofenig	0:796d0f61a05b	263	V(2D,83,BE,D4), V(D3,21,74,58), V(29,69,E0,49), V(44,C8,C9,8E), \
HannesTschofenig	0:796d0f61a05b	264	V(6A,89,C2,75), V(78,79,8E,F4), V(6B,3E,58,99), V(DD,71,B9,27), \
HannesTschofenig	0:796d0f61a05b	265	V(B6,4F,E1,BE), V(17,AD,88,F0), V(66,AC,20,C9), V(B4,3A,CE,7D), \
HannesTschofenig	0:796d0f61a05b	266	V(18,4A,DF,63), V(82,31,1A,E5), V(60,33,51,97), V(45,7F,53,62), \
HannesTschofenig	0:796d0f61a05b	267	V(E0,77,64,B1), V(84,AE,6B,BB), V(1C,A0,81,FE), V(94,2B,08,F9), \
HannesTschofenig	0:796d0f61a05b	268	V(58,68,48,70), V(19,FD,45,8F), V(87,6C,DE,94), V(B7,F8,7B,52), \
HannesTschofenig	0:796d0f61a05b	269	V(23,D3,73,AB), V(E2,02,4B,72), V(57,8F,1F,E3), V(2A,AB,55,66), \
HannesTschofenig	0:796d0f61a05b	270	V(07,28,EB,B2), V(03,C2,B5,2F), V(9A,7B,C5,86), V(A5,08,37,D3), \
HannesTschofenig	0:796d0f61a05b	271	V(F2,87,28,30), V(B2,A5,BF,23), V(BA,6A,03,02), V(5C,82,16,ED), \
HannesTschofenig	0:796d0f61a05b	272	V(2B,1C,CF,8A), V(92,B4,79,A7), V(F0,F2,07,F3), V(A1,E2,69,4E), \
HannesTschofenig	0:796d0f61a05b	273	V(CD,F4,DA,65), V(D5,BE,05,06), V(1F,62,34,D1), V(8A,FE,A6,C4), \
HannesTschofenig	0:796d0f61a05b	274	V(9D,53,2E,34), V(A0,55,F3,A2), V(32,E1,8A,05), V(75,EB,F6,A4), \
HannesTschofenig	0:796d0f61a05b	275	V(39,EC,83,0B), V(AA,EF,60,40), V(06,9F,71,5E), V(51,10,6E,BD), \
HannesTschofenig	0:796d0f61a05b	276	V(F9,8A,21,3E), V(3D,06,DD,96), V(AE,05,3E,DD), V(46,BD,E6,4D), \
HannesTschofenig	0:796d0f61a05b	277	V(B5,8D,54,91), V(05,5D,C4,71), V(6F,D4,06,04), V(FF,15,50,60), \
HannesTschofenig	0:796d0f61a05b	278	V(24,FB,98,19), V(97,E9,BD,D6), V(CC,43,40,89), V(77,9E,D9,67), \
HannesTschofenig	0:796d0f61a05b	279	V(BD,42,E8,B0), V(88,8B,89,07), V(38,5B,19,E7), V(DB,EE,C8,79), \
HannesTschofenig	0:796d0f61a05b	280	V(47,0A,7C,A1), V(E9,0F,42,7C), V(C9,1E,84,F8), V(00,00,00,00), \
HannesTschofenig	0:796d0f61a05b	281	V(83,86,80,09), V(48,ED,2B,32), V(AC,70,11,1E), V(4E,72,5A,6C), \
HannesTschofenig	0:796d0f61a05b	282	V(FB,FF,0E,FD), V(56,38,85,0F), V(1E,D5,AE,3D), V(27,39,2D,36), \
HannesTschofenig	0:796d0f61a05b	283	V(64,D9,0F,0A), V(21,A6,5C,68), V(D1,54,5B,9B), V(3A,2E,36,24), \
HannesTschofenig	0:796d0f61a05b	284	V(B1,67,0A,0C), V(0F,E7,57,93), V(D2,96,EE,B4), V(9E,91,9B,1B), \
HannesTschofenig	0:796d0f61a05b	285	V(4F,C5,C0,80), V(A2,20,DC,61), V(69,4B,77,5A), V(16,1A,12,1C), \
HannesTschofenig	0:796d0f61a05b	286	V(0A,BA,93,E2), V(E5,2A,A0,C0), V(43,E0,22,3C), V(1D,17,1B,12), \
HannesTschofenig	0:796d0f61a05b	287	V(0B,0D,09,0E), V(AD,C7,8B,F2), V(B9,A8,B6,2D), V(C8,A9,1E,14), \
HannesTschofenig	0:796d0f61a05b	288	V(85,19,F1,57), V(4C,07,75,AF), V(BB,DD,99,EE), V(FD,60,7F,A3), \
HannesTschofenig	0:796d0f61a05b	289	V(9F,26,01,F7), V(BC,F5,72,5C), V(C5,3B,66,44), V(34,7E,FB,5B), \
HannesTschofenig	0:796d0f61a05b	290	V(76,29,43,8B), V(DC,C6,23,CB), V(68,FC,ED,B6), V(63,F1,E4,B8), \
HannesTschofenig	0:796d0f61a05b	291	V(CA,DC,31,D7), V(10,85,63,42), V(40,22,97,13), V(20,11,C6,84), \
HannesTschofenig	0:796d0f61a05b	292	V(7D,24,4A,85), V(F8,3D,BB,D2), V(11,32,F9,AE), V(6D,A1,29,C7), \
HannesTschofenig	0:796d0f61a05b	293	V(4B,2F,9E,1D), V(F3,30,B2,DC), V(EC,52,86,0D), V(D0,E3,C1,77), \
HannesTschofenig	0:796d0f61a05b	294	V(6C,16,B3,2B), V(99,B9,70,A9), V(FA,48,94,11), V(22,64,E9,47), \
HannesTschofenig	0:796d0f61a05b	295	V(C4,8C,FC,A8), V(1A,3F,F0,A0), V(D8,2C,7D,56), V(EF,90,33,22), \
HannesTschofenig	0:796d0f61a05b	296	V(C7,4E,49,87), V(C1,D1,38,D9), V(FE,A2,CA,8C), V(36,0B,D4,98), \
HannesTschofenig	0:796d0f61a05b	297	V(CF,81,F5,A6), V(28,DE,7A,A5), V(26,8E,B7,DA), V(A4,BF,AD,3F), \
HannesTschofenig	0:796d0f61a05b	298	V(E4,9D,3A,2C), V(0D,92,78,50), V(9B,CC,5F,6A), V(62,46,7E,54), \
HannesTschofenig	0:796d0f61a05b	299	V(C2,13,8D,F6), V(E8,B8,D8,90), V(5E,F7,39,2E), V(F5,AF,C3,82), \
HannesTschofenig	0:796d0f61a05b	300	V(BE,80,5D,9F), V(7C,93,D0,69), V(A9,2D,D5,6F), V(B3,12,25,CF), \
HannesTschofenig	0:796d0f61a05b	301	V(3B,99,AC,C8), V(A7,7D,18,10), V(6E,63,9C,E8), V(7B,BB,3B,DB), \
HannesTschofenig	0:796d0f61a05b	302	V(09,78,26,CD), V(F4,18,59,6E), V(01,B7,9A,EC), V(A8,9A,4F,83), \
HannesTschofenig	0:796d0f61a05b	303	V(65,6E,95,E6), V(7E,E6,FF,AA), V(08,CF,BC,21), V(E6,E8,15,EF), \
HannesTschofenig	0:796d0f61a05b	304	V(D9,9B,E7,BA), V(CE,36,6F,4A), V(D4,09,9F,EA), V(D6,7C,B0,29), \
HannesTschofenig	0:796d0f61a05b	305	V(AF,B2,A4,31), V(31,23,3F,2A), V(30,94,A5,C6), V(C0,66,A2,35), \
HannesTschofenig	0:796d0f61a05b	306	V(37,BC,4E,74), V(A6,CA,82,FC), V(B0,D0,90,E0), V(15,D8,A7,33), \
HannesTschofenig	0:796d0f61a05b	307	V(4A,98,04,F1), V(F7,DA,EC,41), V(0E,50,CD,7F), V(2F,F6,91,17), \
HannesTschofenig	0:796d0f61a05b	308	V(8D,D6,4D,76), V(4D,B0,EF,43), V(54,4D,AA,CC), V(DF,04,96,E4), \
HannesTschofenig	0:796d0f61a05b	309	V(E3,B5,D1,9E), V(1B,88,6A,4C), V(B8,1F,2C,C1), V(7F,51,65,46), \
HannesTschofenig	0:796d0f61a05b	310	V(04,EA,5E,9D), V(5D,35,8C,01), V(73,74,87,FA), V(2E,41,0B,FB), \
HannesTschofenig	0:796d0f61a05b	311	V(5A,1D,67,B3), V(52,D2,DB,92), V(33,56,10,E9), V(13,47,D6,6D), \
HannesTschofenig	0:796d0f61a05b	312	V(8C,61,D7,9A), V(7A,0C,A1,37), V(8E,14,F8,59), V(89,3C,13,EB), \
HannesTschofenig	0:796d0f61a05b	313	V(EE,27,A9,CE), V(35,C9,61,B7), V(ED,E5,1C,E1), V(3C,B1,47,7A), \
HannesTschofenig	0:796d0f61a05b	314	V(59,DF,D2,9C), V(3F,73,F2,55), V(79,CE,14,18), V(BF,37,C7,73), \
HannesTschofenig	0:796d0f61a05b	315	V(EA,CD,F7,53), V(5B,AA,FD,5F), V(14,6F,3D,DF), V(86,DB,44,78), \
HannesTschofenig	0:796d0f61a05b	316	V(81,F3,AF,CA), V(3E,C4,68,B9), V(2C,34,24,38), V(5F,40,A3,C2), \
HannesTschofenig	0:796d0f61a05b	317	V(72,C3,1D,16), V(0C,25,E2,BC), V(8B,49,3C,28), V(41,95,0D,FF), \
HannesTschofenig	0:796d0f61a05b	318	V(71,01,A8,39), V(DE,B3,0C,08), V(9C,E4,B4,D8), V(90,C1,56,64), \
HannesTschofenig	0:796d0f61a05b	319	V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0)
HannesTschofenig	0:796d0f61a05b	320
HannesTschofenig	0:796d0f61a05b	321	#define V(a,b,c,d) 0x##a##b##c##d
HannesTschofenig	0:796d0f61a05b	322	static const uint32_t RT0[256] = { RT };
HannesTschofenig	0:796d0f61a05b	323	#undef V
HannesTschofenig	0:796d0f61a05b	324
HannesTschofenig	0:796d0f61a05b	325	#define V(a,b,c,d) 0x##b##c##d##a
HannesTschofenig	0:796d0f61a05b	326	static const uint32_t RT1[256] = { RT };
HannesTschofenig	0:796d0f61a05b	327	#undef V
HannesTschofenig	0:796d0f61a05b	328
HannesTschofenig	0:796d0f61a05b	329	#define V(a,b,c,d) 0x##c##d##a##b
HannesTschofenig	0:796d0f61a05b	330	static const uint32_t RT2[256] = { RT };
HannesTschofenig	0:796d0f61a05b	331	#undef V
HannesTschofenig	0:796d0f61a05b	332
HannesTschofenig	0:796d0f61a05b	333	#define V(a,b,c,d) 0x##d##a##b##c
HannesTschofenig	0:796d0f61a05b	334	static const uint32_t RT3[256] = { RT };
HannesTschofenig	0:796d0f61a05b	335	#undef V
HannesTschofenig	0:796d0f61a05b	336
HannesTschofenig	0:796d0f61a05b	337	#undef RT
HannesTschofenig	0:796d0f61a05b	338
HannesTschofenig	0:796d0f61a05b	339	/*
HannesTschofenig	0:796d0f61a05b	340	* Round constants
HannesTschofenig	0:796d0f61a05b	341	*/
HannesTschofenig	0:796d0f61a05b	342	static const uint32_t RCON[10] =
HannesTschofenig	0:796d0f61a05b	343	{
HannesTschofenig	0:796d0f61a05b	344	0x00000001, 0x00000002, 0x00000004, 0x00000008,
HannesTschofenig	0:796d0f61a05b	345	0x00000010, 0x00000020, 0x00000040, 0x00000080,
HannesTschofenig	0:796d0f61a05b	346	0x0000001B, 0x00000036
HannesTschofenig	0:796d0f61a05b	347	};
HannesTschofenig	0:796d0f61a05b	348
HannesTschofenig	0:796d0f61a05b	349	#else /* POLARSSL_AES_ROM_TABLES */
HannesTschofenig	0:796d0f61a05b	350
HannesTschofenig	0:796d0f61a05b	351	/*
HannesTschofenig	0:796d0f61a05b	352	* Forward S-box & tables
HannesTschofenig	0:796d0f61a05b	353	*/
HannesTschofenig	0:796d0f61a05b	354	static unsigned char FSb[256];
HannesTschofenig	0:796d0f61a05b	355	static uint32_t FT0[256];
HannesTschofenig	0:796d0f61a05b	356	static uint32_t FT1[256];
HannesTschofenig	0:796d0f61a05b	357	static uint32_t FT2[256];
HannesTschofenig	0:796d0f61a05b	358	static uint32_t FT3[256];
HannesTschofenig	0:796d0f61a05b	359
HannesTschofenig	0:796d0f61a05b	360	/*
HannesTschofenig	0:796d0f61a05b	361	* Reverse S-box & tables
HannesTschofenig	0:796d0f61a05b	362	*/
HannesTschofenig	0:796d0f61a05b	363	static unsigned char RSb[256];
HannesTschofenig	0:796d0f61a05b	364	static uint32_t RT0[256];
HannesTschofenig	0:796d0f61a05b	365	static uint32_t RT1[256];
HannesTschofenig	0:796d0f61a05b	366	static uint32_t RT2[256];
HannesTschofenig	0:796d0f61a05b	367	static uint32_t RT3[256];
HannesTschofenig	0:796d0f61a05b	368
HannesTschofenig	0:796d0f61a05b	369	/*
HannesTschofenig	0:796d0f61a05b	370	* Round constants
HannesTschofenig	0:796d0f61a05b	371	*/
HannesTschofenig	0:796d0f61a05b	372	static uint32_t RCON[10];
HannesTschofenig	0:796d0f61a05b	373
HannesTschofenig	0:796d0f61a05b	374	/*
HannesTschofenig	0:796d0f61a05b	375	* Tables generation code
HannesTschofenig	0:796d0f61a05b	376	*/
HannesTschofenig	0:796d0f61a05b	377	#define ROTL8(x) ( ( x << 8 ) & 0xFFFFFFFF ) \| ( x >> 24 )
HannesTschofenig	0:796d0f61a05b	378	#define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) )
HannesTschofenig	0:796d0f61a05b	379	#define MUL(x,y) ( ( x && y ) ? pow[(log[x]+log[y]) % 255] : 0 )
HannesTschofenig	0:796d0f61a05b	380
HannesTschofenig	0:796d0f61a05b	381	static int aes_init_done = 0;
HannesTschofenig	0:796d0f61a05b	382
HannesTschofenig	0:796d0f61a05b	383	static void aes_gen_tables( void )
HannesTschofenig	0:796d0f61a05b	384	{
HannesTschofenig	0:796d0f61a05b	385	int i, x, y, z;
HannesTschofenig	0:796d0f61a05b	386	int pow[256];
HannesTschofenig	0:796d0f61a05b	387	int log[256];
HannesTschofenig	0:796d0f61a05b	388
HannesTschofenig	0:796d0f61a05b	389	/*
HannesTschofenig	0:796d0f61a05b	390	* compute pow and log tables over GF(2^8)
HannesTschofenig	0:796d0f61a05b	391	*/
HannesTschofenig	0:796d0f61a05b	392	for( i = 0, x = 1; i < 256; i++ )
HannesTschofenig	0:796d0f61a05b	393	{
HannesTschofenig	0:796d0f61a05b	394	pow[i] = x;
HannesTschofenig	0:796d0f61a05b	395	log[x] = i;
HannesTschofenig	0:796d0f61a05b	396	x = ( x ^ XTIME( x ) ) & 0xFF;
HannesTschofenig	0:796d0f61a05b	397	}
HannesTschofenig	0:796d0f61a05b	398
HannesTschofenig	0:796d0f61a05b	399	/*
HannesTschofenig	0:796d0f61a05b	400	* calculate the round constants
HannesTschofenig	0:796d0f61a05b	401	*/
HannesTschofenig	0:796d0f61a05b	402	for( i = 0, x = 1; i < 10; i++ )
HannesTschofenig	0:796d0f61a05b	403	{
HannesTschofenig	0:796d0f61a05b	404	RCON[i] = (uint32_t) x;
HannesTschofenig	0:796d0f61a05b	405	x = XTIME( x ) & 0xFF;
HannesTschofenig	0:796d0f61a05b	406	}
HannesTschofenig	0:796d0f61a05b	407
HannesTschofenig	0:796d0f61a05b	408	/*
HannesTschofenig	0:796d0f61a05b	409	* generate the forward and reverse S-boxes
HannesTschofenig	0:796d0f61a05b	410	*/
HannesTschofenig	0:796d0f61a05b	411	FSb[0x00] = 0x63;
HannesTschofenig	0:796d0f61a05b	412	RSb[0x63] = 0x00;
HannesTschofenig	0:796d0f61a05b	413
HannesTschofenig	0:796d0f61a05b	414	for( i = 1; i < 256; i++ )
HannesTschofenig	0:796d0f61a05b	415	{
HannesTschofenig	0:796d0f61a05b	416	x = pow[255 - log[i]];
HannesTschofenig	0:796d0f61a05b	417
HannesTschofenig	0:796d0f61a05b	418	y = x; y = ( (y << 1) \| (y >> 7) ) & 0xFF;
HannesTschofenig	0:796d0f61a05b	419	x ^= y; y = ( (y << 1) \| (y >> 7) ) & 0xFF;
HannesTschofenig	0:796d0f61a05b	420	x ^= y; y = ( (y << 1) \| (y >> 7) ) & 0xFF;
HannesTschofenig	0:796d0f61a05b	421	x ^= y; y = ( (y << 1) \| (y >> 7) ) & 0xFF;
HannesTschofenig	0:796d0f61a05b	422	x ^= y ^ 0x63;
HannesTschofenig	0:796d0f61a05b	423
HannesTschofenig	0:796d0f61a05b	424	FSb[i] = (unsigned char) x;
HannesTschofenig	0:796d0f61a05b	425	RSb[x] = (unsigned char) i;
HannesTschofenig	0:796d0f61a05b	426	}
HannesTschofenig	0:796d0f61a05b	427
HannesTschofenig	0:796d0f61a05b	428	/*
HannesTschofenig	0:796d0f61a05b	429	* generate the forward and reverse tables
HannesTschofenig	0:796d0f61a05b	430	*/
HannesTschofenig	0:796d0f61a05b	431	for( i = 0; i < 256; i++ )
HannesTschofenig	0:796d0f61a05b	432	{
HannesTschofenig	0:796d0f61a05b	433	x = FSb[i];
HannesTschofenig	0:796d0f61a05b	434	y = XTIME( x ) & 0xFF;
HannesTschofenig	0:796d0f61a05b	435	z = ( y ^ x ) & 0xFF;
HannesTschofenig	0:796d0f61a05b	436
HannesTschofenig	0:796d0f61a05b	437	FT0[i] = ( (uint32_t) y ) ^
HannesTschofenig	0:796d0f61a05b	438	( (uint32_t) x << 8 ) ^
HannesTschofenig	0:796d0f61a05b	439	( (uint32_t) x << 16 ) ^
HannesTschofenig	0:796d0f61a05b	440	( (uint32_t) z << 24 );
HannesTschofenig	0:796d0f61a05b	441
HannesTschofenig	0:796d0f61a05b	442	FT1[i] = ROTL8( FT0[i] );
HannesTschofenig	0:796d0f61a05b	443	FT2[i] = ROTL8( FT1[i] );
HannesTschofenig	0:796d0f61a05b	444	FT3[i] = ROTL8( FT2[i] );
HannesTschofenig	0:796d0f61a05b	445
HannesTschofenig	0:796d0f61a05b	446	x = RSb[i];
HannesTschofenig	0:796d0f61a05b	447
HannesTschofenig	0:796d0f61a05b	448	RT0[i] = ( (uint32_t) MUL( 0x0E, x ) ) ^
HannesTschofenig	0:796d0f61a05b	449	( (uint32_t) MUL( 0x09, x ) << 8 ) ^
HannesTschofenig	0:796d0f61a05b	450	( (uint32_t) MUL( 0x0D, x ) << 16 ) ^
HannesTschofenig	0:796d0f61a05b	451	( (uint32_t) MUL( 0x0B, x ) << 24 );
HannesTschofenig	0:796d0f61a05b	452
HannesTschofenig	0:796d0f61a05b	453	RT1[i] = ROTL8( RT0[i] );
HannesTschofenig	0:796d0f61a05b	454	RT2[i] = ROTL8( RT1[i] );
HannesTschofenig	0:796d0f61a05b	455	RT3[i] = ROTL8( RT2[i] );
HannesTschofenig	0:796d0f61a05b	456	}
HannesTschofenig	0:796d0f61a05b	457	}
HannesTschofenig	0:796d0f61a05b	458
HannesTschofenig	0:796d0f61a05b	459	#endif /* POLARSSL_AES_ROM_TABLES */
HannesTschofenig	0:796d0f61a05b	460
HannesTschofenig	0:796d0f61a05b	461	/*
HannesTschofenig	0:796d0f61a05b	462	* AES key schedule (encryption)
HannesTschofenig	0:796d0f61a05b	463	*/
HannesTschofenig	0:796d0f61a05b	464	int aes_setkey_enc( aes_context ctx, const unsigned char key,
HannesTschofenig	0:796d0f61a05b	465	unsigned int keysize )
HannesTschofenig	0:796d0f61a05b	466	{
HannesTschofenig	0:796d0f61a05b	467	unsigned int i;
HannesTschofenig	0:796d0f61a05b	468	uint32_t *RK;
HannesTschofenig	0:796d0f61a05b	469
HannesTschofenig	0:796d0f61a05b	470	#if !defined(POLARSSL_AES_ROM_TABLES)
HannesTschofenig	0:796d0f61a05b	471	if( aes_init_done == 0 )
HannesTschofenig	0:796d0f61a05b	472	{
HannesTschofenig	0:796d0f61a05b	473	aes_gen_tables();
HannesTschofenig	0:796d0f61a05b	474	aes_init_done = 1;
HannesTschofenig	0:796d0f61a05b	475
HannesTschofenig	0:796d0f61a05b	476	}
HannesTschofenig	0:796d0f61a05b	477	#endif
HannesTschofenig	0:796d0f61a05b	478
HannesTschofenig	0:796d0f61a05b	479	switch( keysize )
HannesTschofenig	0:796d0f61a05b	480	{
HannesTschofenig	0:796d0f61a05b	481	case 128: ctx->nr = 10; break;
HannesTschofenig	0:796d0f61a05b	482	case 192: ctx->nr = 12; break;
HannesTschofenig	0:796d0f61a05b	483	case 256: ctx->nr = 14; break;
HannesTschofenig	0:796d0f61a05b	484	default : return( POLARSSL_ERR_AES_INVALID_KEY_LENGTH );
HannesTschofenig	0:796d0f61a05b	485	}
HannesTschofenig	0:796d0f61a05b	486
HannesTschofenig	0:796d0f61a05b	487	#if defined(POLARSSL_PADLOCK_C) && defined(PADLOCK_ALIGN16)
HannesTschofenig	0:796d0f61a05b	488	if( aes_padlock_ace == -1 )
HannesTschofenig	0:796d0f61a05b	489	aes_padlock_ace = padlock_supports( PADLOCK_ACE );
HannesTschofenig	0:796d0f61a05b	490
HannesTschofenig	0:796d0f61a05b	491	if( aes_padlock_ace )
HannesTschofenig	0:796d0f61a05b	492	ctx->rk = RK = PADLOCK_ALIGN16( ctx->buf );
HannesTschofenig	0:796d0f61a05b	493	else
HannesTschofenig	0:796d0f61a05b	494	#endif
HannesTschofenig	0:796d0f61a05b	495	ctx->rk = RK = ctx->buf;
HannesTschofenig	0:796d0f61a05b	496
HannesTschofenig	0:796d0f61a05b	497	#if defined(POLARSSL_AESNI_C) && defined(POLARSSL_HAVE_X86_64)
HannesTschofenig	0:796d0f61a05b	498	if( aesni_supports( POLARSSL_AESNI_AES ) )
HannesTschofenig	0:796d0f61a05b	499	return( aesni_setkey_enc( (unsigned char *) ctx->rk, key, keysize ) );
HannesTschofenig	0:796d0f61a05b	500	#endif
HannesTschofenig	0:796d0f61a05b	501
HannesTschofenig	0:796d0f61a05b	502	for( i = 0; i < (keysize >> 5); i++ )
HannesTschofenig	0:796d0f61a05b	503	{
HannesTschofenig	0:796d0f61a05b	504	GET_UINT32_LE( RK[i], key, i << 2 );
HannesTschofenig	0:796d0f61a05b	505	}
HannesTschofenig	0:796d0f61a05b	506
HannesTschofenig	0:796d0f61a05b	507	switch( ctx->nr )
HannesTschofenig	0:796d0f61a05b	508	{
HannesTschofenig	0:796d0f61a05b	509	case 10:
HannesTschofenig	0:796d0f61a05b	510
HannesTschofenig	0:796d0f61a05b	511	for( i = 0; i < 10; i++, RK += 4 )
HannesTschofenig	0:796d0f61a05b	512	{
HannesTschofenig	0:796d0f61a05b	513	RK[4] = RK[0] ^ RCON[i] ^
HannesTschofenig	0:796d0f61a05b	514	( (uint32_t) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	515	( (uint32_t) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	516	( (uint32_t) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	517	( (uint32_t) FSb[ ( RK[3] ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	518
HannesTschofenig	0:796d0f61a05b	519	RK[5] = RK[1] ^ RK[4];
HannesTschofenig	0:796d0f61a05b	520	RK[6] = RK[2] ^ RK[5];
HannesTschofenig	0:796d0f61a05b	521	RK[7] = RK[3] ^ RK[6];
HannesTschofenig	0:796d0f61a05b	522	}
HannesTschofenig	0:796d0f61a05b	523	break;
HannesTschofenig	0:796d0f61a05b	524
HannesTschofenig	0:796d0f61a05b	525	case 12:
HannesTschofenig	0:796d0f61a05b	526
HannesTschofenig	0:796d0f61a05b	527	for( i = 0; i < 8; i++, RK += 6 )
HannesTschofenig	0:796d0f61a05b	528	{
HannesTschofenig	0:796d0f61a05b	529	RK[6] = RK[0] ^ RCON[i] ^
HannesTschofenig	0:796d0f61a05b	530	( (uint32_t) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	531	( (uint32_t) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	532	( (uint32_t) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	533	( (uint32_t) FSb[ ( RK[5] ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	534
HannesTschofenig	0:796d0f61a05b	535	RK[7] = RK[1] ^ RK[6];
HannesTschofenig	0:796d0f61a05b	536	RK[8] = RK[2] ^ RK[7];
HannesTschofenig	0:796d0f61a05b	537	RK[9] = RK[3] ^ RK[8];
HannesTschofenig	0:796d0f61a05b	538	RK[10] = RK[4] ^ RK[9];
HannesTschofenig	0:796d0f61a05b	539	RK[11] = RK[5] ^ RK[10];
HannesTschofenig	0:796d0f61a05b	540	}
HannesTschofenig	0:796d0f61a05b	541	break;
HannesTschofenig	0:796d0f61a05b	542
HannesTschofenig	0:796d0f61a05b	543	case 14:
HannesTschofenig	0:796d0f61a05b	544
HannesTschofenig	0:796d0f61a05b	545	for( i = 0; i < 7; i++, RK += 8 )
HannesTschofenig	0:796d0f61a05b	546	{
HannesTschofenig	0:796d0f61a05b	547	RK[8] = RK[0] ^ RCON[i] ^
HannesTschofenig	0:796d0f61a05b	548	( (uint32_t) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	549	( (uint32_t) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	550	( (uint32_t) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	551	( (uint32_t) FSb[ ( RK[7] ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	552
HannesTschofenig	0:796d0f61a05b	553	RK[9] = RK[1] ^ RK[8];
HannesTschofenig	0:796d0f61a05b	554	RK[10] = RK[2] ^ RK[9];
HannesTschofenig	0:796d0f61a05b	555	RK[11] = RK[3] ^ RK[10];
HannesTschofenig	0:796d0f61a05b	556
HannesTschofenig	0:796d0f61a05b	557	RK[12] = RK[4] ^
HannesTschofenig	0:796d0f61a05b	558	( (uint32_t) FSb[ ( RK[11] ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	559	( (uint32_t) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	560	( (uint32_t) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	561	( (uint32_t) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	562
HannesTschofenig	0:796d0f61a05b	563	RK[13] = RK[5] ^ RK[12];
HannesTschofenig	0:796d0f61a05b	564	RK[14] = RK[6] ^ RK[13];
HannesTschofenig	0:796d0f61a05b	565	RK[15] = RK[7] ^ RK[14];
HannesTschofenig	0:796d0f61a05b	566	}
HannesTschofenig	0:796d0f61a05b	567	break;
HannesTschofenig	0:796d0f61a05b	568
HannesTschofenig	0:796d0f61a05b	569	default:
HannesTschofenig	0:796d0f61a05b	570
HannesTschofenig	0:796d0f61a05b	571	break;
HannesTschofenig	0:796d0f61a05b	572	}
HannesTschofenig	0:796d0f61a05b	573
HannesTschofenig	0:796d0f61a05b	574	return( 0 );
HannesTschofenig	0:796d0f61a05b	575	}
HannesTschofenig	0:796d0f61a05b	576
HannesTschofenig	0:796d0f61a05b	577	/*
HannesTschofenig	0:796d0f61a05b	578	* AES key schedule (decryption)
HannesTschofenig	0:796d0f61a05b	579	*/
HannesTschofenig	0:796d0f61a05b	580	int aes_setkey_dec( aes_context ctx, const unsigned char key,
HannesTschofenig	0:796d0f61a05b	581	unsigned int keysize )
HannesTschofenig	0:796d0f61a05b	582	{
HannesTschofenig	0:796d0f61a05b	583	int i, j;
HannesTschofenig	0:796d0f61a05b	584	aes_context cty;
HannesTschofenig	0:796d0f61a05b	585	uint32_t *RK;
HannesTschofenig	0:796d0f61a05b	586	uint32_t *SK;
HannesTschofenig	0:796d0f61a05b	587	int ret;
HannesTschofenig	0:796d0f61a05b	588
HannesTschofenig	0:796d0f61a05b	589	switch( keysize )
HannesTschofenig	0:796d0f61a05b	590	{
HannesTschofenig	0:796d0f61a05b	591	case 128: ctx->nr = 10; break;
HannesTschofenig	0:796d0f61a05b	592	case 192: ctx->nr = 12; break;
HannesTschofenig	0:796d0f61a05b	593	case 256: ctx->nr = 14; break;
HannesTschofenig	0:796d0f61a05b	594	default : return( POLARSSL_ERR_AES_INVALID_KEY_LENGTH );
HannesTschofenig	0:796d0f61a05b	595	}
HannesTschofenig	0:796d0f61a05b	596
HannesTschofenig	0:796d0f61a05b	597	#if defined(POLARSSL_PADLOCK_C) && defined(PADLOCK_ALIGN16)
HannesTschofenig	0:796d0f61a05b	598	if( aes_padlock_ace == -1 )
HannesTschofenig	0:796d0f61a05b	599	aes_padlock_ace = padlock_supports( PADLOCK_ACE );
HannesTschofenig	0:796d0f61a05b	600
HannesTschofenig	0:796d0f61a05b	601	if( aes_padlock_ace )
HannesTschofenig	0:796d0f61a05b	602	ctx->rk = RK = PADLOCK_ALIGN16( ctx->buf );
HannesTschofenig	0:796d0f61a05b	603	else
HannesTschofenig	0:796d0f61a05b	604	#endif
HannesTschofenig	0:796d0f61a05b	605	ctx->rk = RK = ctx->buf;
HannesTschofenig	0:796d0f61a05b	606
HannesTschofenig	0:796d0f61a05b	607	ret = aes_setkey_enc( &cty, key, keysize );
HannesTschofenig	0:796d0f61a05b	608	if( ret != 0 )
HannesTschofenig	0:796d0f61a05b	609	return( ret );
HannesTschofenig	0:796d0f61a05b	610
HannesTschofenig	0:796d0f61a05b	611	#if defined(POLARSSL_AESNI_C) && defined(POLARSSL_HAVE_X86_64)
HannesTschofenig	0:796d0f61a05b	612	if( aesni_supports( POLARSSL_AESNI_AES ) )
HannesTschofenig	0:796d0f61a05b	613	{
HannesTschofenig	0:796d0f61a05b	614	aesni_inverse_key( (unsigned char *) ctx->rk,
HannesTschofenig	0:796d0f61a05b	615	(const unsigned char *) cty.rk, ctx->nr );
HannesTschofenig	0:796d0f61a05b	616	goto done;
HannesTschofenig	0:796d0f61a05b	617	}
HannesTschofenig	0:796d0f61a05b	618	#endif
HannesTschofenig	0:796d0f61a05b	619
HannesTschofenig	0:796d0f61a05b	620	SK = cty.rk + cty.nr * 4;
HannesTschofenig	0:796d0f61a05b	621
HannesTschofenig	0:796d0f61a05b	622	RK++ = SK++;
HannesTschofenig	0:796d0f61a05b	623	RK++ = SK++;
HannesTschofenig	0:796d0f61a05b	624	RK++ = SK++;
HannesTschofenig	0:796d0f61a05b	625	RK++ = SK++;
HannesTschofenig	0:796d0f61a05b	626
HannesTschofenig	0:796d0f61a05b	627	for( i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8 )
HannesTschofenig	0:796d0f61a05b	628	{
HannesTschofenig	0:796d0f61a05b	629	for( j = 0; j < 4; j++, SK++ )
HannesTschofenig	0:796d0f61a05b	630	{
HannesTschofenig	0:796d0f61a05b	631	RK++ = RT0[ FSb[ ( SK ) & 0xFF ] ] ^
HannesTschofenig	0:796d0f61a05b	632	RT1[ FSb[ ( *SK >> 8 ) & 0xFF ] ] ^
HannesTschofenig	0:796d0f61a05b	633	RT2[ FSb[ ( *SK >> 16 ) & 0xFF ] ] ^
HannesTschofenig	0:796d0f61a05b	634	RT3[ FSb[ ( *SK >> 24 ) & 0xFF ] ];
HannesTschofenig	0:796d0f61a05b	635	}
HannesTschofenig	0:796d0f61a05b	636	}
HannesTschofenig	0:796d0f61a05b	637
HannesTschofenig	0:796d0f61a05b	638	RK++ = SK++;
HannesTschofenig	0:796d0f61a05b	639	RK++ = SK++;
HannesTschofenig	0:796d0f61a05b	640	RK++ = SK++;
HannesTschofenig	0:796d0f61a05b	641	RK++ = SK++;
HannesTschofenig	0:796d0f61a05b	642
HannesTschofenig	0:796d0f61a05b	643	#if defined(POLARSSL_AESNI_C) && defined(POLARSSL_HAVE_X86_64)
HannesTschofenig	0:796d0f61a05b	644	done:
HannesTschofenig	0:796d0f61a05b	645	#endif
HannesTschofenig	0:796d0f61a05b	646	memset( &cty, 0, sizeof( aes_context ) );
HannesTschofenig	0:796d0f61a05b	647
HannesTschofenig	0:796d0f61a05b	648	return( 0 );
HannesTschofenig	0:796d0f61a05b	649	}
HannesTschofenig	0:796d0f61a05b	650
HannesTschofenig	0:796d0f61a05b	651	#define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
HannesTschofenig	0:796d0f61a05b	652	{ \
HannesTschofenig	0:796d0f61a05b	653	X0 = *RK++ ^ FT0[ ( Y0 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	654	FT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	655	FT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	656	FT3[ ( Y3 >> 24 ) & 0xFF ]; \
HannesTschofenig	0:796d0f61a05b	657	\
HannesTschofenig	0:796d0f61a05b	658	X1 = *RK++ ^ FT0[ ( Y1 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	659	FT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	660	FT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	661	FT3[ ( Y0 >> 24 ) & 0xFF ]; \
HannesTschofenig	0:796d0f61a05b	662	\
HannesTschofenig	0:796d0f61a05b	663	X2 = *RK++ ^ FT0[ ( Y2 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	664	FT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	665	FT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	666	FT3[ ( Y1 >> 24 ) & 0xFF ]; \
HannesTschofenig	0:796d0f61a05b	667	\
HannesTschofenig	0:796d0f61a05b	668	X3 = *RK++ ^ FT0[ ( Y3 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	669	FT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	670	FT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	671	FT3[ ( Y2 >> 24 ) & 0xFF ]; \
HannesTschofenig	0:796d0f61a05b	672	}
HannesTschofenig	0:796d0f61a05b	673
HannesTschofenig	0:796d0f61a05b	674	#define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
HannesTschofenig	0:796d0f61a05b	675	{ \
HannesTschofenig	0:796d0f61a05b	676	X0 = *RK++ ^ RT0[ ( Y0 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	677	RT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	678	RT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	679	RT3[ ( Y1 >> 24 ) & 0xFF ]; \
HannesTschofenig	0:796d0f61a05b	680	\
HannesTschofenig	0:796d0f61a05b	681	X1 = *RK++ ^ RT0[ ( Y1 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	682	RT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	683	RT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	684	RT3[ ( Y2 >> 24 ) & 0xFF ]; \
HannesTschofenig	0:796d0f61a05b	685	\
HannesTschofenig	0:796d0f61a05b	686	X2 = *RK++ ^ RT0[ ( Y2 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	687	RT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	688	RT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	689	RT3[ ( Y3 >> 24 ) & 0xFF ]; \
HannesTschofenig	0:796d0f61a05b	690	\
HannesTschofenig	0:796d0f61a05b	691	X3 = *RK++ ^ RT0[ ( Y3 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	692	RT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	693	RT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
HannesTschofenig	0:796d0f61a05b	694	RT3[ ( Y0 >> 24 ) & 0xFF ]; \
HannesTschofenig	0:796d0f61a05b	695	}
HannesTschofenig	0:796d0f61a05b	696
HannesTschofenig	0:796d0f61a05b	697	/*
HannesTschofenig	0:796d0f61a05b	698	* AES-ECB block encryption/decryption
HannesTschofenig	0:796d0f61a05b	699	*/
HannesTschofenig	0:796d0f61a05b	700	int aes_crypt_ecb( aes_context *ctx,
HannesTschofenig	0:796d0f61a05b	701	int mode,
HannesTschofenig	0:796d0f61a05b	702	const unsigned char input[16],
HannesTschofenig	0:796d0f61a05b	703	unsigned char output[16] )
HannesTschofenig	0:796d0f61a05b	704	{
HannesTschofenig	0:796d0f61a05b	705	int i;
HannesTschofenig	0:796d0f61a05b	706	uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
HannesTschofenig	0:796d0f61a05b	707
HannesTschofenig	0:796d0f61a05b	708	#if defined(POLARSSL_AESNI_C) && defined(POLARSSL_HAVE_X86_64)
HannesTschofenig	0:796d0f61a05b	709	if( aesni_supports( POLARSSL_AESNI_AES ) )
HannesTschofenig	0:796d0f61a05b	710	return( aesni_crypt_ecb( ctx, mode, input, output ) );
HannesTschofenig	0:796d0f61a05b	711	#endif
HannesTschofenig	0:796d0f61a05b	712
HannesTschofenig	0:796d0f61a05b	713	#if defined(POLARSSL_PADLOCK_C) && defined(POLARSSL_HAVE_X86)
HannesTschofenig	0:796d0f61a05b	714	if( aes_padlock_ace )
HannesTschofenig	0:796d0f61a05b	715	{
HannesTschofenig	0:796d0f61a05b	716	if( padlock_xcryptecb( ctx, mode, input, output ) == 0 )
HannesTschofenig	0:796d0f61a05b	717	return( 0 );
HannesTschofenig	0:796d0f61a05b	718
HannesTschofenig	0:796d0f61a05b	719	// If padlock data misaligned, we just fall back to
HannesTschofenig	0:796d0f61a05b	720	// unaccelerated mode
HannesTschofenig	0:796d0f61a05b	721	//
HannesTschofenig	0:796d0f61a05b	722	}
HannesTschofenig	0:796d0f61a05b	723	#endif
HannesTschofenig	0:796d0f61a05b	724
HannesTschofenig	0:796d0f61a05b	725	RK = ctx->rk;
HannesTschofenig	0:796d0f61a05b	726
HannesTschofenig	0:796d0f61a05b	727	GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
HannesTschofenig	0:796d0f61a05b	728	GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
HannesTschofenig	0:796d0f61a05b	729	GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
HannesTschofenig	0:796d0f61a05b	730	GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
HannesTschofenig	0:796d0f61a05b	731
HannesTschofenig	0:796d0f61a05b	732	if( mode == AES_DECRYPT )
HannesTschofenig	0:796d0f61a05b	733	{
HannesTschofenig	0:796d0f61a05b	734	for( i = (ctx->nr >> 1) - 1; i > 0; i-- )
HannesTschofenig	0:796d0f61a05b	735	{
HannesTschofenig	0:796d0f61a05b	736	AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
HannesTschofenig	0:796d0f61a05b	737	AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
HannesTschofenig	0:796d0f61a05b	738	}
HannesTschofenig	0:796d0f61a05b	739
HannesTschofenig	0:796d0f61a05b	740	AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
HannesTschofenig	0:796d0f61a05b	741
HannesTschofenig	0:796d0f61a05b	742	X0 = *RK++ ^ \
HannesTschofenig	0:796d0f61a05b	743	( (uint32_t) RSb[ ( Y0 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	744	( (uint32_t) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	745	( (uint32_t) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	746	( (uint32_t) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	747
HannesTschofenig	0:796d0f61a05b	748	X1 = *RK++ ^ \
HannesTschofenig	0:796d0f61a05b	749	( (uint32_t) RSb[ ( Y1 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	750	( (uint32_t) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	751	( (uint32_t) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	752	( (uint32_t) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	753
HannesTschofenig	0:796d0f61a05b	754	X2 = *RK++ ^ \
HannesTschofenig	0:796d0f61a05b	755	( (uint32_t) RSb[ ( Y2 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	756	( (uint32_t) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	757	( (uint32_t) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	758	( (uint32_t) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	759
HannesTschofenig	0:796d0f61a05b	760	X3 = *RK++ ^ \
HannesTschofenig	0:796d0f61a05b	761	( (uint32_t) RSb[ ( Y3 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	762	( (uint32_t) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	763	( (uint32_t) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	764	( (uint32_t) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	765	}
HannesTschofenig	0:796d0f61a05b	766	else /* AES_ENCRYPT */
HannesTschofenig	0:796d0f61a05b	767	{
HannesTschofenig	0:796d0f61a05b	768	for( i = (ctx->nr >> 1) - 1; i > 0; i-- )
HannesTschofenig	0:796d0f61a05b	769	{
HannesTschofenig	0:796d0f61a05b	770	AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
HannesTschofenig	0:796d0f61a05b	771	AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
HannesTschofenig	0:796d0f61a05b	772	}
HannesTschofenig	0:796d0f61a05b	773
HannesTschofenig	0:796d0f61a05b	774	AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
HannesTschofenig	0:796d0f61a05b	775
HannesTschofenig	0:796d0f61a05b	776	X0 = *RK++ ^ \
HannesTschofenig	0:796d0f61a05b	777	( (uint32_t) FSb[ ( Y0 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	778	( (uint32_t) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	779	( (uint32_t) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	780	( (uint32_t) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	781
HannesTschofenig	0:796d0f61a05b	782	X1 = *RK++ ^ \
HannesTschofenig	0:796d0f61a05b	783	( (uint32_t) FSb[ ( Y1 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	784	( (uint32_t) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	785	( (uint32_t) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	786	( (uint32_t) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	787
HannesTschofenig	0:796d0f61a05b	788	X2 = *RK++ ^ \
HannesTschofenig	0:796d0f61a05b	789	( (uint32_t) FSb[ ( Y2 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	790	( (uint32_t) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	791	( (uint32_t) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	792	( (uint32_t) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	793
HannesTschofenig	0:796d0f61a05b	794	X3 = *RK++ ^ \
HannesTschofenig	0:796d0f61a05b	795	( (uint32_t) FSb[ ( Y3 ) & 0xFF ] ) ^
HannesTschofenig	0:796d0f61a05b	796	( (uint32_t) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
HannesTschofenig	0:796d0f61a05b	797	( (uint32_t) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
HannesTschofenig	0:796d0f61a05b	798	( (uint32_t) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
HannesTschofenig	0:796d0f61a05b	799	}
HannesTschofenig	0:796d0f61a05b	800
HannesTschofenig	0:796d0f61a05b	801	PUT_UINT32_LE( X0, output, 0 );
HannesTschofenig	0:796d0f61a05b	802	PUT_UINT32_LE( X1, output, 4 );
HannesTschofenig	0:796d0f61a05b	803	PUT_UINT32_LE( X2, output, 8 );
HannesTschofenig	0:796d0f61a05b	804	PUT_UINT32_LE( X3, output, 12 );
HannesTschofenig	0:796d0f61a05b	805
HannesTschofenig	0:796d0f61a05b	806	return( 0 );
HannesTschofenig	0:796d0f61a05b	807	}
HannesTschofenig	0:796d0f61a05b	808
HannesTschofenig	0:796d0f61a05b	809	#if defined(POLARSSL_CIPHER_MODE_CBC)
HannesTschofenig	0:796d0f61a05b	810	/*
HannesTschofenig	0:796d0f61a05b	811	* AES-CBC buffer encryption/decryption
HannesTschofenig	0:796d0f61a05b	812	*/
HannesTschofenig	0:796d0f61a05b	813	int aes_crypt_cbc( aes_context *ctx,
HannesTschofenig	0:796d0f61a05b	814	int mode,
HannesTschofenig	0:796d0f61a05b	815	size_t length,
HannesTschofenig	0:796d0f61a05b	816	unsigned char iv[16],
HannesTschofenig	0:796d0f61a05b	817	const unsigned char *input,
HannesTschofenig	0:796d0f61a05b	818	unsigned char *output )
HannesTschofenig	0:796d0f61a05b	819	{
HannesTschofenig	0:796d0f61a05b	820	int i;
HannesTschofenig	0:796d0f61a05b	821	unsigned char temp[16];
HannesTschofenig	0:796d0f61a05b	822
HannesTschofenig	0:796d0f61a05b	823	if( length % 16 )
HannesTschofenig	0:796d0f61a05b	824	return( POLARSSL_ERR_AES_INVALID_INPUT_LENGTH );
HannesTschofenig	0:796d0f61a05b	825
HannesTschofenig	0:796d0f61a05b	826	#if defined(POLARSSL_PADLOCK_C) && defined(POLARSSL_HAVE_X86)
HannesTschofenig	0:796d0f61a05b	827	if( aes_padlock_ace )
HannesTschofenig	0:796d0f61a05b	828	{
HannesTschofenig	0:796d0f61a05b	829	if( padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 )
HannesTschofenig	0:796d0f61a05b	830	return( 0 );
HannesTschofenig	0:796d0f61a05b	831
HannesTschofenig	0:796d0f61a05b	832	// If padlock data misaligned, we just fall back to
HannesTschofenig	0:796d0f61a05b	833	// unaccelerated mode
HannesTschofenig	0:796d0f61a05b	834	//
HannesTschofenig	0:796d0f61a05b	835	}
HannesTschofenig	0:796d0f61a05b	836	#endif
HannesTschofenig	0:796d0f61a05b	837
HannesTschofenig	0:796d0f61a05b	838	if( mode == AES_DECRYPT )
HannesTschofenig	0:796d0f61a05b	839	{
HannesTschofenig	0:796d0f61a05b	840	while( length > 0 )
HannesTschofenig	0:796d0f61a05b	841	{
HannesTschofenig	0:796d0f61a05b	842	memcpy( temp, input, 16 );
HannesTschofenig	0:796d0f61a05b	843	aes_crypt_ecb( ctx, mode, input, output );
HannesTschofenig	0:796d0f61a05b	844
HannesTschofenig	0:796d0f61a05b	845	for( i = 0; i < 16; i++ )
HannesTschofenig	0:796d0f61a05b	846	output[i] = (unsigned char)( output[i] ^ iv[i] );
HannesTschofenig	0:796d0f61a05b	847
HannesTschofenig	0:796d0f61a05b	848	memcpy( iv, temp, 16 );
HannesTschofenig	0:796d0f61a05b	849
HannesTschofenig	0:796d0f61a05b	850	input += 16;
HannesTschofenig	0:796d0f61a05b	851	output += 16;
HannesTschofenig	0:796d0f61a05b	852	length -= 16;
HannesTschofenig	0:796d0f61a05b	853	}
HannesTschofenig	0:796d0f61a05b	854	}
HannesTschofenig	0:796d0f61a05b	855	else
HannesTschofenig	0:796d0f61a05b	856	{
HannesTschofenig	0:796d0f61a05b	857	while( length > 0 )
HannesTschofenig	0:796d0f61a05b	858	{
HannesTschofenig	0:796d0f61a05b	859	for( i = 0; i < 16; i++ )
HannesTschofenig	0:796d0f61a05b	860	output[i] = (unsigned char)( input[i] ^ iv[i] );
HannesTschofenig	0:796d0f61a05b	861
HannesTschofenig	0:796d0f61a05b	862	aes_crypt_ecb( ctx, mode, output, output );
HannesTschofenig	0:796d0f61a05b	863	memcpy( iv, output, 16 );
HannesTschofenig	0:796d0f61a05b	864
HannesTschofenig	0:796d0f61a05b	865	input += 16;
HannesTschofenig	0:796d0f61a05b	866	output += 16;
HannesTschofenig	0:796d0f61a05b	867	length -= 16;
HannesTschofenig	0:796d0f61a05b	868	}
HannesTschofenig	0:796d0f61a05b	869	}
HannesTschofenig	0:796d0f61a05b	870
HannesTschofenig	0:796d0f61a05b	871	return( 0 );
HannesTschofenig	0:796d0f61a05b	872	}
HannesTschofenig	0:796d0f61a05b	873	#endif /* POLARSSL_CIPHER_MODE_CBC */
HannesTschofenig	0:796d0f61a05b	874
HannesTschofenig	0:796d0f61a05b	875	#if defined(POLARSSL_CIPHER_MODE_CFB)
HannesTschofenig	0:796d0f61a05b	876	/*
HannesTschofenig	0:796d0f61a05b	877	* AES-CFB128 buffer encryption/decryption
HannesTschofenig	0:796d0f61a05b	878	*/
HannesTschofenig	0:796d0f61a05b	879	int aes_crypt_cfb128( aes_context *ctx,
HannesTschofenig	0:796d0f61a05b	880	int mode,
HannesTschofenig	0:796d0f61a05b	881	size_t length,
HannesTschofenig	0:796d0f61a05b	882	size_t *iv_off,
HannesTschofenig	0:796d0f61a05b	883	unsigned char iv[16],
HannesTschofenig	0:796d0f61a05b	884	const unsigned char *input,
HannesTschofenig	0:796d0f61a05b	885	unsigned char *output )
HannesTschofenig	0:796d0f61a05b	886	{
HannesTschofenig	0:796d0f61a05b	887	int c;
HannesTschofenig	0:796d0f61a05b	888	size_t n = *iv_off;
HannesTschofenig	0:796d0f61a05b	889
HannesTschofenig	0:796d0f61a05b	890	if( mode == AES_DECRYPT )
HannesTschofenig	0:796d0f61a05b	891	{
HannesTschofenig	0:796d0f61a05b	892	while( length-- )
HannesTschofenig	0:796d0f61a05b	893	{
HannesTschofenig	0:796d0f61a05b	894	if( n == 0 )
HannesTschofenig	0:796d0f61a05b	895	aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
HannesTschofenig	0:796d0f61a05b	896
HannesTschofenig	0:796d0f61a05b	897	c = *input++;
HannesTschofenig	0:796d0f61a05b	898	*output++ = (unsigned char)( c ^ iv[n] );
HannesTschofenig	0:796d0f61a05b	899	iv[n] = (unsigned char) c;
HannesTschofenig	0:796d0f61a05b	900
HannesTschofenig	0:796d0f61a05b	901	n = (n + 1) & 0x0F;
HannesTschofenig	0:796d0f61a05b	902	}
HannesTschofenig	0:796d0f61a05b	903	}
HannesTschofenig	0:796d0f61a05b	904	else
HannesTschofenig	0:796d0f61a05b	905	{
HannesTschofenig	0:796d0f61a05b	906	while( length-- )
HannesTschofenig	0:796d0f61a05b	907	{
HannesTschofenig	0:796d0f61a05b	908	if( n == 0 )
HannesTschofenig	0:796d0f61a05b	909	aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
HannesTschofenig	0:796d0f61a05b	910
HannesTschofenig	0:796d0f61a05b	911	iv[n] = output++ = (unsigned char)( iv[n] ^ input++ );
HannesTschofenig	0:796d0f61a05b	912
HannesTschofenig	0:796d0f61a05b	913	n = (n + 1) & 0x0F;
HannesTschofenig	0:796d0f61a05b	914	}
HannesTschofenig	0:796d0f61a05b	915	}
HannesTschofenig	0:796d0f61a05b	916
HannesTschofenig	0:796d0f61a05b	917	*iv_off = n;
HannesTschofenig	0:796d0f61a05b	918
HannesTschofenig	0:796d0f61a05b	919	return( 0 );
HannesTschofenig	0:796d0f61a05b	920	}
HannesTschofenig	0:796d0f61a05b	921
HannesTschofenig	0:796d0f61a05b	922	/*
HannesTschofenig	0:796d0f61a05b	923	* AES-CFB8 buffer encryption/decryption
HannesTschofenig	0:796d0f61a05b	924	*/
HannesTschofenig	0:796d0f61a05b	925	#include <stdio.h>
HannesTschofenig	0:796d0f61a05b	926	int aes_crypt_cfb8( aes_context *ctx,
HannesTschofenig	0:796d0f61a05b	927	int mode,
HannesTschofenig	0:796d0f61a05b	928	size_t length,
HannesTschofenig	0:796d0f61a05b	929	unsigned char iv[16],
HannesTschofenig	0:796d0f61a05b	930	const unsigned char *input,
HannesTschofenig	0:796d0f61a05b	931	unsigned char *output )
HannesTschofenig	0:796d0f61a05b	932	{
HannesTschofenig	0:796d0f61a05b	933	unsigned char c;
HannesTschofenig	0:796d0f61a05b	934	unsigned char ov[17];
HannesTschofenig	0:796d0f61a05b	935
HannesTschofenig	0:796d0f61a05b	936	while( length-- )
HannesTschofenig	0:796d0f61a05b	937	{
HannesTschofenig	0:796d0f61a05b	938	memcpy(ov, iv, 16);
HannesTschofenig	0:796d0f61a05b	939	aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
HannesTschofenig	0:796d0f61a05b	940
HannesTschofenig	0:796d0f61a05b	941	if( mode == AES_DECRYPT )
HannesTschofenig	0:796d0f61a05b	942	ov[16] = *input;
HannesTschofenig	0:796d0f61a05b	943
HannesTschofenig	0:796d0f61a05b	944	c = output++ = (unsigned char)( iv[0] ^ input++ );
HannesTschofenig	0:796d0f61a05b	945
HannesTschofenig	0:796d0f61a05b	946	if( mode == AES_ENCRYPT )
HannesTschofenig	0:796d0f61a05b	947	ov[16] = c;
HannesTschofenig	0:796d0f61a05b	948
HannesTschofenig	0:796d0f61a05b	949	memcpy(iv, ov + 1, 16);
HannesTschofenig	0:796d0f61a05b	950	}
HannesTschofenig	0:796d0f61a05b	951
HannesTschofenig	0:796d0f61a05b	952	return( 0 );
HannesTschofenig	0:796d0f61a05b	953	}
HannesTschofenig	0:796d0f61a05b	954	#endif /POLARSSL_CIPHER_MODE_CFB /
HannesTschofenig	0:796d0f61a05b	955
HannesTschofenig	0:796d0f61a05b	956	#if defined(POLARSSL_CIPHER_MODE_CTR)
HannesTschofenig	0:796d0f61a05b	957	/*
HannesTschofenig	0:796d0f61a05b	958	* AES-CTR buffer encryption/decryption
HannesTschofenig	0:796d0f61a05b	959	*/
HannesTschofenig	0:796d0f61a05b	960	int aes_crypt_ctr( aes_context *ctx,
HannesTschofenig	0:796d0f61a05b	961	size_t length,
HannesTschofenig	0:796d0f61a05b	962	size_t *nc_off,
HannesTschofenig	0:796d0f61a05b	963	unsigned char nonce_counter[16],
HannesTschofenig	0:796d0f61a05b	964	unsigned char stream_block[16],
HannesTschofenig	0:796d0f61a05b	965	const unsigned char *input,
HannesTschofenig	0:796d0f61a05b	966	unsigned char *output )
HannesTschofenig	0:796d0f61a05b	967	{
HannesTschofenig	0:796d0f61a05b	968	int c, i;
HannesTschofenig	0:796d0f61a05b	969	size_t n = *nc_off;
HannesTschofenig	0:796d0f61a05b	970
HannesTschofenig	0:796d0f61a05b	971	while( length-- )
HannesTschofenig	0:796d0f61a05b	972	{
HannesTschofenig	0:796d0f61a05b	973	if( n == 0 ) {
HannesTschofenig	0:796d0f61a05b	974	aes_crypt_ecb( ctx, AES_ENCRYPT, nonce_counter, stream_block );
HannesTschofenig	0:796d0f61a05b	975
HannesTschofenig	0:796d0f61a05b	976	for( i = 16; i > 0; i-- )
HannesTschofenig	0:796d0f61a05b	977	if( ++nonce_counter[i - 1] != 0 )
HannesTschofenig	0:796d0f61a05b	978	break;
HannesTschofenig	0:796d0f61a05b	979	}
HannesTschofenig	0:796d0f61a05b	980	c = *input++;
HannesTschofenig	0:796d0f61a05b	981	*output++ = (unsigned char)( c ^ stream_block[n] );
HannesTschofenig	0:796d0f61a05b	982
HannesTschofenig	0:796d0f61a05b	983	n = (n + 1) & 0x0F;
HannesTschofenig	0:796d0f61a05b	984	}
HannesTschofenig	0:796d0f61a05b	985
HannesTschofenig	0:796d0f61a05b	986	*nc_off = n;
HannesTschofenig	0:796d0f61a05b	987
HannesTschofenig	0:796d0f61a05b	988	return( 0 );
HannesTschofenig	0:796d0f61a05b	989	}
HannesTschofenig	0:796d0f61a05b	990	#endif /* POLARSSL_CIPHER_MODE_CTR */
HannesTschofenig	0:796d0f61a05b	991
HannesTschofenig	0:796d0f61a05b	992	#endif /* !POLARSSL_AES_ALT */
HannesTschofenig	0:796d0f61a05b	993
HannesTschofenig	0:796d0f61a05b	994	#if defined(POLARSSL_SELF_TEST)
HannesTschofenig	0:796d0f61a05b	995
HannesTschofenig	0:796d0f61a05b	996	#include <stdio.h>
HannesTschofenig	0:796d0f61a05b	997
HannesTschofenig	0:796d0f61a05b	998	/*
HannesTschofenig	0:796d0f61a05b	999	* AES test vectors from:
HannesTschofenig	0:796d0f61a05b	1000	*
HannesTschofenig	0:796d0f61a05b	1001	* http://csrc.nist.gov/archive/aes/rijndael/rijndael-vals.zip
HannesTschofenig	0:796d0f61a05b	1002	*/
HannesTschofenig	0:796d0f61a05b	1003	static const unsigned char aes_test_ecb_dec[3][16] =
HannesTschofenig	0:796d0f61a05b	1004	{
HannesTschofenig	0:796d0f61a05b	1005	{ 0x44, 0x41, 0x6A, 0xC2, 0xD1, 0xF5, 0x3C, 0x58,
HannesTschofenig	0:796d0f61a05b	1006	0x33, 0x03, 0x91, 0x7E, 0x6B, 0xE9, 0xEB, 0xE0 },
HannesTschofenig	0:796d0f61a05b	1007	{ 0x48, 0xE3, 0x1E, 0x9E, 0x25, 0x67, 0x18, 0xF2,
HannesTschofenig	0:796d0f61a05b	1008	0x92, 0x29, 0x31, 0x9C, 0x19, 0xF1, 0x5B, 0xA4 },
HannesTschofenig	0:796d0f61a05b	1009	{ 0x05, 0x8C, 0xCF, 0xFD, 0xBB, 0xCB, 0x38, 0x2D,
HannesTschofenig	0:796d0f61a05b	1010	0x1F, 0x6F, 0x56, 0x58, 0x5D, 0x8A, 0x4A, 0xDE }
HannesTschofenig	0:796d0f61a05b	1011	};
HannesTschofenig	0:796d0f61a05b	1012
HannesTschofenig	0:796d0f61a05b	1013	static const unsigned char aes_test_ecb_enc[3][16] =
HannesTschofenig	0:796d0f61a05b	1014	{
HannesTschofenig	0:796d0f61a05b	1015	{ 0xC3, 0x4C, 0x05, 0x2C, 0xC0, 0xDA, 0x8D, 0x73,
HannesTschofenig	0:796d0f61a05b	1016	0x45, 0x1A, 0xFE, 0x5F, 0x03, 0xBE, 0x29, 0x7F },
HannesTschofenig	0:796d0f61a05b	1017	{ 0xF3, 0xF6, 0x75, 0x2A, 0xE8, 0xD7, 0x83, 0x11,
HannesTschofenig	0:796d0f61a05b	1018	0x38, 0xF0, 0x41, 0x56, 0x06, 0x31, 0xB1, 0x14 },
HannesTschofenig	0:796d0f61a05b	1019	{ 0x8B, 0x79, 0xEE, 0xCC, 0x93, 0xA0, 0xEE, 0x5D,
HannesTschofenig	0:796d0f61a05b	1020	0xFF, 0x30, 0xB4, 0xEA, 0x21, 0x63, 0x6D, 0xA4 }
HannesTschofenig	0:796d0f61a05b	1021	};
HannesTschofenig	0:796d0f61a05b	1022
HannesTschofenig	0:796d0f61a05b	1023	#if defined(POLARSSL_CIPHER_MODE_CBC)
HannesTschofenig	0:796d0f61a05b	1024	static const unsigned char aes_test_cbc_dec[3][16] =
HannesTschofenig	0:796d0f61a05b	1025	{
HannesTschofenig	0:796d0f61a05b	1026	{ 0xFA, 0xCA, 0x37, 0xE0, 0xB0, 0xC8, 0x53, 0x73,
HannesTschofenig	0:796d0f61a05b	1027	0xDF, 0x70, 0x6E, 0x73, 0xF7, 0xC9, 0xAF, 0x86 },
HannesTschofenig	0:796d0f61a05b	1028	{ 0x5D, 0xF6, 0x78, 0xDD, 0x17, 0xBA, 0x4E, 0x75,
HannesTschofenig	0:796d0f61a05b	1029	0xB6, 0x17, 0x68, 0xC6, 0xAD, 0xEF, 0x7C, 0x7B },
HannesTschofenig	0:796d0f61a05b	1030	{ 0x48, 0x04, 0xE1, 0x81, 0x8F, 0xE6, 0x29, 0x75,
HannesTschofenig	0:796d0f61a05b	1031	0x19, 0xA3, 0xE8, 0x8C, 0x57, 0x31, 0x04, 0x13 }
HannesTschofenig	0:796d0f61a05b	1032	};
HannesTschofenig	0:796d0f61a05b	1033
HannesTschofenig	0:796d0f61a05b	1034	static const unsigned char aes_test_cbc_enc[3][16] =
HannesTschofenig	0:796d0f61a05b	1035	{
HannesTschofenig	0:796d0f61a05b	1036	{ 0x8A, 0x05, 0xFC, 0x5E, 0x09, 0x5A, 0xF4, 0x84,
HannesTschofenig	0:796d0f61a05b	1037	0x8A, 0x08, 0xD3, 0x28, 0xD3, 0x68, 0x8E, 0x3D },
HannesTschofenig	0:796d0f61a05b	1038	{ 0x7B, 0xD9, 0x66, 0xD5, 0x3A, 0xD8, 0xC1, 0xBB,
HannesTschofenig	0:796d0f61a05b	1039	0x85, 0xD2, 0xAD, 0xFA, 0xE8, 0x7B, 0xB1, 0x04 },
HannesTschofenig	0:796d0f61a05b	1040	{ 0xFE, 0x3C, 0x53, 0x65, 0x3E, 0x2F, 0x45, 0xB5,
HannesTschofenig	0:796d0f61a05b	1041	0x6F, 0xCD, 0x88, 0xB2, 0xCC, 0x89, 0x8F, 0xF0 }
HannesTschofenig	0:796d0f61a05b	1042	};
HannesTschofenig	0:796d0f61a05b	1043	#endif /* POLARSSL_CIPHER_MODE_CBC */
HannesTschofenig	0:796d0f61a05b	1044
HannesTschofenig	0:796d0f61a05b	1045	#if defined(POLARSSL_CIPHER_MODE_CFB)
HannesTschofenig	0:796d0f61a05b	1046	/*
HannesTschofenig	0:796d0f61a05b	1047	* AES-CFB128 test vectors from:
HannesTschofenig	0:796d0f61a05b	1048	*
HannesTschofenig	0:796d0f61a05b	1049	* http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
HannesTschofenig	0:796d0f61a05b	1050	*/
HannesTschofenig	0:796d0f61a05b	1051	static const unsigned char aes_test_cfb128_key[3][32] =
HannesTschofenig	0:796d0f61a05b	1052	{
HannesTschofenig	0:796d0f61a05b	1053	{ 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
HannesTschofenig	0:796d0f61a05b	1054	0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C },
HannesTschofenig	0:796d0f61a05b	1055	{ 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
HannesTschofenig	0:796d0f61a05b	1056	0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
HannesTschofenig	0:796d0f61a05b	1057	0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B },
HannesTschofenig	0:796d0f61a05b	1058	{ 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
HannesTschofenig	0:796d0f61a05b	1059	0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
HannesTschofenig	0:796d0f61a05b	1060	0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
HannesTschofenig	0:796d0f61a05b	1061	0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
HannesTschofenig	0:796d0f61a05b	1062	};
HannesTschofenig	0:796d0f61a05b	1063
HannesTschofenig	0:796d0f61a05b	1064	static const unsigned char aes_test_cfb128_iv[16] =
HannesTschofenig	0:796d0f61a05b	1065	{
HannesTschofenig	0:796d0f61a05b	1066	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
HannesTschofenig	0:796d0f61a05b	1067	0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
HannesTschofenig	0:796d0f61a05b	1068	};
HannesTschofenig	0:796d0f61a05b	1069
HannesTschofenig	0:796d0f61a05b	1070	static const unsigned char aes_test_cfb128_pt[64] =
HannesTschofenig	0:796d0f61a05b	1071	{
HannesTschofenig	0:796d0f61a05b	1072	0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
HannesTschofenig	0:796d0f61a05b	1073	0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A,
HannesTschofenig	0:796d0f61a05b	1074	0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
HannesTschofenig	0:796d0f61a05b	1075	0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51,
HannesTschofenig	0:796d0f61a05b	1076	0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
HannesTschofenig	0:796d0f61a05b	1077	0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF,
HannesTschofenig	0:796d0f61a05b	1078	0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17,
HannesTschofenig	0:796d0f61a05b	1079	0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10
HannesTschofenig	0:796d0f61a05b	1080	};
HannesTschofenig	0:796d0f61a05b	1081
HannesTschofenig	0:796d0f61a05b	1082	static const unsigned char aes_test_cfb128_ct[3][64] =
HannesTschofenig	0:796d0f61a05b	1083	{
HannesTschofenig	0:796d0f61a05b	1084	{ 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20,
HannesTschofenig	0:796d0f61a05b	1085	0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A,
HannesTschofenig	0:796d0f61a05b	1086	0xC8, 0xA6, 0x45, 0x37, 0xA0, 0xB3, 0xA9, 0x3F,
HannesTschofenig	0:796d0f61a05b	1087	0xCD, 0xE3, 0xCD, 0xAD, 0x9F, 0x1C, 0xE5, 0x8B,
HannesTschofenig	0:796d0f61a05b	1088	0x26, 0x75, 0x1F, 0x67, 0xA3, 0xCB, 0xB1, 0x40,
HannesTschofenig	0:796d0f61a05b	1089	0xB1, 0x80, 0x8C, 0xF1, 0x87, 0xA4, 0xF4, 0xDF,
HannesTschofenig	0:796d0f61a05b	1090	0xC0, 0x4B, 0x05, 0x35, 0x7C, 0x5D, 0x1C, 0x0E,
HannesTschofenig	0:796d0f61a05b	1091	0xEA, 0xC4, 0xC6, 0x6F, 0x9F, 0xF7, 0xF2, 0xE6 },
HannesTschofenig	0:796d0f61a05b	1092	{ 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB,
HannesTschofenig	0:796d0f61a05b	1093	0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74,
HannesTschofenig	0:796d0f61a05b	1094	0x67, 0xCE, 0x7F, 0x7F, 0x81, 0x17, 0x36, 0x21,
HannesTschofenig	0:796d0f61a05b	1095	0x96, 0x1A, 0x2B, 0x70, 0x17, 0x1D, 0x3D, 0x7A,
HannesTschofenig	0:796d0f61a05b	1096	0x2E, 0x1E, 0x8A, 0x1D, 0xD5, 0x9B, 0x88, 0xB1,
HannesTschofenig	0:796d0f61a05b	1097	0xC8, 0xE6, 0x0F, 0xED, 0x1E, 0xFA, 0xC4, 0xC9,
HannesTschofenig	0:796d0f61a05b	1098	0xC0, 0x5F, 0x9F, 0x9C, 0xA9, 0x83, 0x4F, 0xA0,
HannesTschofenig	0:796d0f61a05b	1099	0x42, 0xAE, 0x8F, 0xBA, 0x58, 0x4B, 0x09, 0xFF },
HannesTschofenig	0:796d0f61a05b	1100	{ 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B,
HannesTschofenig	0:796d0f61a05b	1101	0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60,
HannesTschofenig	0:796d0f61a05b	1102	0x39, 0xFF, 0xED, 0x14, 0x3B, 0x28, 0xB1, 0xC8,
HannesTschofenig	0:796d0f61a05b	1103	0x32, 0x11, 0x3C, 0x63, 0x31, 0xE5, 0x40, 0x7B,
HannesTschofenig	0:796d0f61a05b	1104	0xDF, 0x10, 0x13, 0x24, 0x15, 0xE5, 0x4B, 0x92,
HannesTschofenig	0:796d0f61a05b	1105	0xA1, 0x3E, 0xD0, 0xA8, 0x26, 0x7A, 0xE2, 0xF9,
HannesTschofenig	0:796d0f61a05b	1106	0x75, 0xA3, 0x85, 0x74, 0x1A, 0xB9, 0xCE, 0xF8,
HannesTschofenig	0:796d0f61a05b	1107	0x20, 0x31, 0x62, 0x3D, 0x55, 0xB1, 0xE4, 0x71 }
HannesTschofenig	0:796d0f61a05b	1108	};
HannesTschofenig	0:796d0f61a05b	1109	#endif /* POLARSSL_CIPHER_MODE_CFB */
HannesTschofenig	0:796d0f61a05b	1110
HannesTschofenig	0:796d0f61a05b	1111	#if defined(POLARSSL_CIPHER_MODE_CTR)
HannesTschofenig	0:796d0f61a05b	1112	/*
HannesTschofenig	0:796d0f61a05b	1113	* AES-CTR test vectors from:
HannesTschofenig	0:796d0f61a05b	1114	*
HannesTschofenig	0:796d0f61a05b	1115	* http://www.faqs.org/rfcs/rfc3686.html
HannesTschofenig	0:796d0f61a05b	1116	*/
HannesTschofenig	0:796d0f61a05b	1117
HannesTschofenig	0:796d0f61a05b	1118	static const unsigned char aes_test_ctr_key[3][16] =
HannesTschofenig	0:796d0f61a05b	1119	{
HannesTschofenig	0:796d0f61a05b	1120	{ 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC,
HannesTschofenig	0:796d0f61a05b	1121	0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E },
HannesTschofenig	0:796d0f61a05b	1122	{ 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7,
HannesTschofenig	0:796d0f61a05b	1123	0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 },
HannesTschofenig	0:796d0f61a05b	1124	{ 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8,
HannesTschofenig	0:796d0f61a05b	1125	0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC }
HannesTschofenig	0:796d0f61a05b	1126	};
HannesTschofenig	0:796d0f61a05b	1127
HannesTschofenig	0:796d0f61a05b	1128	static const unsigned char aes_test_ctr_nonce_counter[3][16] =
HannesTschofenig	0:796d0f61a05b	1129	{
HannesTschofenig	0:796d0f61a05b	1130	{ 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
HannesTschofenig	0:796d0f61a05b	1131	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
HannesTschofenig	0:796d0f61a05b	1132	{ 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59,
HannesTschofenig	0:796d0f61a05b	1133	0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 },
HannesTschofenig	0:796d0f61a05b	1134	{ 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F,
HannesTschofenig	0:796d0f61a05b	1135	0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 }
HannesTschofenig	0:796d0f61a05b	1136	};
HannesTschofenig	0:796d0f61a05b	1137
HannesTschofenig	0:796d0f61a05b	1138	static const unsigned char aes_test_ctr_pt[3][48] =
HannesTschofenig	0:796d0f61a05b	1139	{
HannesTschofenig	0:796d0f61a05b	1140	{ 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62,
HannesTschofenig	0:796d0f61a05b	1141	0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 },
HannesTschofenig	0:796d0f61a05b	1142
HannesTschofenig	0:796d0f61a05b	1143	{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
HannesTschofenig	0:796d0f61a05b	1144	0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
HannesTschofenig	0:796d0f61a05b	1145	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
HannesTschofenig	0:796d0f61a05b	1146	0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
HannesTschofenig	0:796d0f61a05b	1147
HannesTschofenig	0:796d0f61a05b	1148	{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
HannesTschofenig	0:796d0f61a05b	1149	0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
HannesTschofenig	0:796d0f61a05b	1150	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
HannesTschofenig	0:796d0f61a05b	1151	0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
HannesTschofenig	0:796d0f61a05b	1152	0x20, 0x21, 0x22, 0x23 }
HannesTschofenig	0:796d0f61a05b	1153	};
HannesTschofenig	0:796d0f61a05b	1154
HannesTschofenig	0:796d0f61a05b	1155	static const unsigned char aes_test_ctr_ct[3][48] =
HannesTschofenig	0:796d0f61a05b	1156	{
HannesTschofenig	0:796d0f61a05b	1157	{ 0xE4, 0x09, 0x5D, 0x4F, 0xB7, 0xA7, 0xB3, 0x79,
HannesTschofenig	0:796d0f61a05b	1158	0x2D, 0x61, 0x75, 0xA3, 0x26, 0x13, 0x11, 0xB8 },
HannesTschofenig	0:796d0f61a05b	1159	{ 0x51, 0x04, 0xA1, 0x06, 0x16, 0x8A, 0x72, 0xD9,
HannesTschofenig	0:796d0f61a05b	1160	0x79, 0x0D, 0x41, 0xEE, 0x8E, 0xDA, 0xD3, 0x88,
HannesTschofenig	0:796d0f61a05b	1161	0xEB, 0x2E, 0x1E, 0xFC, 0x46, 0xDA, 0x57, 0xC8,
HannesTschofenig	0:796d0f61a05b	1162	0xFC, 0xE6, 0x30, 0xDF, 0x91, 0x41, 0xBE, 0x28 },
HannesTschofenig	0:796d0f61a05b	1163	{ 0xC1, 0xCF, 0x48, 0xA8, 0x9F, 0x2F, 0xFD, 0xD9,
HannesTschofenig	0:796d0f61a05b	1164	0xCF, 0x46, 0x52, 0xE9, 0xEF, 0xDB, 0x72, 0xD7,
HannesTschofenig	0:796d0f61a05b	1165	0x45, 0x40, 0xA4, 0x2B, 0xDE, 0x6D, 0x78, 0x36,
HannesTschofenig	0:796d0f61a05b	1166	0xD5, 0x9A, 0x5C, 0xEA, 0xAE, 0xF3, 0x10, 0x53,
HannesTschofenig	0:796d0f61a05b	1167	0x25, 0xB2, 0x07, 0x2F }
HannesTschofenig	0:796d0f61a05b	1168	};
HannesTschofenig	0:796d0f61a05b	1169
HannesTschofenig	0:796d0f61a05b	1170	static const int aes_test_ctr_len[3] =
HannesTschofenig	0:796d0f61a05b	1171	{ 16, 32, 36 };
HannesTschofenig	0:796d0f61a05b	1172	#endif /* POLARSSL_CIPHER_MODE_CTR */
HannesTschofenig	0:796d0f61a05b	1173
HannesTschofenig	0:796d0f61a05b	1174	/*
HannesTschofenig	0:796d0f61a05b	1175	* Checkup routine
HannesTschofenig	0:796d0f61a05b	1176	*/
HannesTschofenig	0:796d0f61a05b	1177	int aes_self_test( int verbose )
HannesTschofenig	0:796d0f61a05b	1178	{
HannesTschofenig	0:796d0f61a05b	1179	int i, j, u, v;
HannesTschofenig	0:796d0f61a05b	1180	unsigned char key[32];
HannesTschofenig	0:796d0f61a05b	1181	unsigned char buf[64];
HannesTschofenig	0:796d0f61a05b	1182	unsigned char iv[16];
HannesTschofenig	0:796d0f61a05b	1183	#if defined(POLARSSL_CIPHER_MODE_CBC)
HannesTschofenig	0:796d0f61a05b	1184	unsigned char prv[16];
HannesTschofenig	0:796d0f61a05b	1185	#endif
HannesTschofenig	0:796d0f61a05b	1186	#if defined(POLARSSL_CIPHER_MODE_CTR) \|\| defined(POLARSSL_CIPHER_MODE_CFB)
HannesTschofenig	0:796d0f61a05b	1187	size_t offset;
HannesTschofenig	0:796d0f61a05b	1188	#endif
HannesTschofenig	0:796d0f61a05b	1189	#if defined(POLARSSL_CIPHER_MODE_CTR)
HannesTschofenig	0:796d0f61a05b	1190	int len;
HannesTschofenig	0:796d0f61a05b	1191	unsigned char nonce_counter[16];
HannesTschofenig	0:796d0f61a05b	1192	unsigned char stream_block[16];
HannesTschofenig	0:796d0f61a05b	1193	#endif
HannesTschofenig	0:796d0f61a05b	1194	aes_context ctx;
HannesTschofenig	0:796d0f61a05b	1195
HannesTschofenig	0:796d0f61a05b	1196	memset( key, 0, 32 );
HannesTschofenig	0:796d0f61a05b	1197
HannesTschofenig	0:796d0f61a05b	1198	/*
HannesTschofenig	0:796d0f61a05b	1199	* ECB mode
HannesTschofenig	0:796d0f61a05b	1200	*/
HannesTschofenig	0:796d0f61a05b	1201	for( i = 0; i < 6; i++ )
HannesTschofenig	0:796d0f61a05b	1202	{
HannesTschofenig	0:796d0f61a05b	1203	u = i >> 1;
HannesTschofenig	0:796d0f61a05b	1204	v = i & 1;
HannesTschofenig	0:796d0f61a05b	1205
HannesTschofenig	0:796d0f61a05b	1206	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1207	polarssl_printf( " AES-ECB-%3d (%s): ", 128 + u * 64,
HannesTschofenig	0:796d0f61a05b	1208	( v == AES_DECRYPT ) ? "dec" : "enc" );
HannesTschofenig	0:796d0f61a05b	1209
HannesTschofenig	0:796d0f61a05b	1210	memset( buf, 0, 16 );
HannesTschofenig	0:796d0f61a05b	1211
HannesTschofenig	0:796d0f61a05b	1212	if( v == AES_DECRYPT )
HannesTschofenig	0:796d0f61a05b	1213	{
HannesTschofenig	0:796d0f61a05b	1214	aes_setkey_dec( &ctx, key, 128 + u * 64 );
HannesTschofenig	0:796d0f61a05b	1215
HannesTschofenig	0:796d0f61a05b	1216	for( j = 0; j < 10000; j++ )
HannesTschofenig	0:796d0f61a05b	1217	aes_crypt_ecb( &ctx, v, buf, buf );
HannesTschofenig	0:796d0f61a05b	1218
HannesTschofenig	0:796d0f61a05b	1219	if( memcmp( buf, aes_test_ecb_dec[u], 16 ) != 0 )
HannesTschofenig	0:796d0f61a05b	1220	{
HannesTschofenig	0:796d0f61a05b	1221	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1222	polarssl_printf( "failed\n" );
HannesTschofenig	0:796d0f61a05b	1223
HannesTschofenig	0:796d0f61a05b	1224	return( 1 );
HannesTschofenig	0:796d0f61a05b	1225	}
HannesTschofenig	0:796d0f61a05b	1226	}
HannesTschofenig	0:796d0f61a05b	1227	else
HannesTschofenig	0:796d0f61a05b	1228	{
HannesTschofenig	0:796d0f61a05b	1229	aes_setkey_enc( &ctx, key, 128 + u * 64 );
HannesTschofenig	0:796d0f61a05b	1230
HannesTschofenig	0:796d0f61a05b	1231	for( j = 0; j < 10000; j++ )
HannesTschofenig	0:796d0f61a05b	1232	aes_crypt_ecb( &ctx, v, buf, buf );
HannesTschofenig	0:796d0f61a05b	1233
HannesTschofenig	0:796d0f61a05b	1234	if( memcmp( buf, aes_test_ecb_enc[u], 16 ) != 0 )
HannesTschofenig	0:796d0f61a05b	1235	{
HannesTschofenig	0:796d0f61a05b	1236	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1237	polarssl_printf( "failed\n" );
HannesTschofenig	0:796d0f61a05b	1238
HannesTschofenig	0:796d0f61a05b	1239	return( 1 );
HannesTschofenig	0:796d0f61a05b	1240	}
HannesTschofenig	0:796d0f61a05b	1241	}
HannesTschofenig	0:796d0f61a05b	1242
HannesTschofenig	0:796d0f61a05b	1243	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1244	polarssl_printf( "passed\n" );
HannesTschofenig	0:796d0f61a05b	1245	}
HannesTschofenig	0:796d0f61a05b	1246
HannesTschofenig	0:796d0f61a05b	1247	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1248	polarssl_printf( "\n" );
HannesTschofenig	0:796d0f61a05b	1249
HannesTschofenig	0:796d0f61a05b	1250	#if defined(POLARSSL_CIPHER_MODE_CBC)
HannesTschofenig	0:796d0f61a05b	1251	/*
HannesTschofenig	0:796d0f61a05b	1252	* CBC mode
HannesTschofenig	0:796d0f61a05b	1253	*/
HannesTschofenig	0:796d0f61a05b	1254	for( i = 0; i < 6; i++ )
HannesTschofenig	0:796d0f61a05b	1255	{
HannesTschofenig	0:796d0f61a05b	1256	u = i >> 1;
HannesTschofenig	0:796d0f61a05b	1257	v = i & 1;
HannesTschofenig	0:796d0f61a05b	1258
HannesTschofenig	0:796d0f61a05b	1259	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1260	polarssl_printf( " AES-CBC-%3d (%s): ", 128 + u * 64,
HannesTschofenig	0:796d0f61a05b	1261	( v == AES_DECRYPT ) ? "dec" : "enc" );
HannesTschofenig	0:796d0f61a05b	1262
HannesTschofenig	0:796d0f61a05b	1263	memset( iv , 0, 16 );
HannesTschofenig	0:796d0f61a05b	1264	memset( prv, 0, 16 );
HannesTschofenig	0:796d0f61a05b	1265	memset( buf, 0, 16 );
HannesTschofenig	0:796d0f61a05b	1266
HannesTschofenig	0:796d0f61a05b	1267	if( v == AES_DECRYPT )
HannesTschofenig	0:796d0f61a05b	1268	{
HannesTschofenig	0:796d0f61a05b	1269	aes_setkey_dec( &ctx, key, 128 + u * 64 );
HannesTschofenig	0:796d0f61a05b	1270
HannesTschofenig	0:796d0f61a05b	1271	for( j = 0; j < 10000; j++ )
HannesTschofenig	0:796d0f61a05b	1272	aes_crypt_cbc( &ctx, v, 16, iv, buf, buf );
HannesTschofenig	0:796d0f61a05b	1273
HannesTschofenig	0:796d0f61a05b	1274	if( memcmp( buf, aes_test_cbc_dec[u], 16 ) != 0 )
HannesTschofenig	0:796d0f61a05b	1275	{
HannesTschofenig	0:796d0f61a05b	1276	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1277	polarssl_printf( "failed\n" );
HannesTschofenig	0:796d0f61a05b	1278
HannesTschofenig	0:796d0f61a05b	1279	return( 1 );
HannesTschofenig	0:796d0f61a05b	1280	}
HannesTschofenig	0:796d0f61a05b	1281	}
HannesTschofenig	0:796d0f61a05b	1282	else
HannesTschofenig	0:796d0f61a05b	1283	{
HannesTschofenig	0:796d0f61a05b	1284	aes_setkey_enc( &ctx, key, 128 + u * 64 );
HannesTschofenig	0:796d0f61a05b	1285
HannesTschofenig	0:796d0f61a05b	1286	for( j = 0; j < 10000; j++ )
HannesTschofenig	0:796d0f61a05b	1287	{
HannesTschofenig	0:796d0f61a05b	1288	unsigned char tmp[16];
HannesTschofenig	0:796d0f61a05b	1289
HannesTschofenig	0:796d0f61a05b	1290	aes_crypt_cbc( &ctx, v, 16, iv, buf, buf );
HannesTschofenig	0:796d0f61a05b	1291
HannesTschofenig	0:796d0f61a05b	1292	memcpy( tmp, prv, 16 );
HannesTschofenig	0:796d0f61a05b	1293	memcpy( prv, buf, 16 );
HannesTschofenig	0:796d0f61a05b	1294	memcpy( buf, tmp, 16 );
HannesTschofenig	0:796d0f61a05b	1295	}
HannesTschofenig	0:796d0f61a05b	1296
HannesTschofenig	0:796d0f61a05b	1297	if( memcmp( prv, aes_test_cbc_enc[u], 16 ) != 0 )
HannesTschofenig	0:796d0f61a05b	1298	{
HannesTschofenig	0:796d0f61a05b	1299	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1300	polarssl_printf( "failed\n" );
HannesTschofenig	0:796d0f61a05b	1301
HannesTschofenig	0:796d0f61a05b	1302	return( 1 );
HannesTschofenig	0:796d0f61a05b	1303	}
HannesTschofenig	0:796d0f61a05b	1304	}
HannesTschofenig	0:796d0f61a05b	1305
HannesTschofenig	0:796d0f61a05b	1306	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1307	polarssl_printf( "passed\n" );
HannesTschofenig	0:796d0f61a05b	1308	}
HannesTschofenig	0:796d0f61a05b	1309
HannesTschofenig	0:796d0f61a05b	1310	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1311	polarssl_printf( "\n" );
HannesTschofenig	0:796d0f61a05b	1312	#endif /* POLARSSL_CIPHER_MODE_CBC */
HannesTschofenig	0:796d0f61a05b	1313
HannesTschofenig	0:796d0f61a05b	1314	#if defined(POLARSSL_CIPHER_MODE_CFB)
HannesTschofenig	0:796d0f61a05b	1315	/*
HannesTschofenig	0:796d0f61a05b	1316	* CFB128 mode
HannesTschofenig	0:796d0f61a05b	1317	*/
HannesTschofenig	0:796d0f61a05b	1318	for( i = 0; i < 6; i++ )
HannesTschofenig	0:796d0f61a05b	1319	{
HannesTschofenig	0:796d0f61a05b	1320	u = i >> 1;
HannesTschofenig	0:796d0f61a05b	1321	v = i & 1;
HannesTschofenig	0:796d0f61a05b	1322
HannesTschofenig	0:796d0f61a05b	1323	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1324	polarssl_printf( " AES-CFB128-%3d (%s): ", 128 + u * 64,
HannesTschofenig	0:796d0f61a05b	1325	( v == AES_DECRYPT ) ? "dec" : "enc" );
HannesTschofenig	0:796d0f61a05b	1326
HannesTschofenig	0:796d0f61a05b	1327	memcpy( iv, aes_test_cfb128_iv, 16 );
HannesTschofenig	0:796d0f61a05b	1328	memcpy( key, aes_test_cfb128_key[u], 16 + u * 8 );
HannesTschofenig	0:796d0f61a05b	1329
HannesTschofenig	0:796d0f61a05b	1330	offset = 0;
HannesTschofenig	0:796d0f61a05b	1331	aes_setkey_enc( &ctx, key, 128 + u * 64 );
HannesTschofenig	0:796d0f61a05b	1332
HannesTschofenig	0:796d0f61a05b	1333	if( v == AES_DECRYPT )
HannesTschofenig	0:796d0f61a05b	1334	{
HannesTschofenig	0:796d0f61a05b	1335	memcpy( buf, aes_test_cfb128_ct[u], 64 );
HannesTschofenig	0:796d0f61a05b	1336	aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
HannesTschofenig	0:796d0f61a05b	1337
HannesTschofenig	0:796d0f61a05b	1338	if( memcmp( buf, aes_test_cfb128_pt, 64 ) != 0 )
HannesTschofenig	0:796d0f61a05b	1339	{
HannesTschofenig	0:796d0f61a05b	1340	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1341	polarssl_printf( "failed\n" );
HannesTschofenig	0:796d0f61a05b	1342
HannesTschofenig	0:796d0f61a05b	1343	return( 1 );
HannesTschofenig	0:796d0f61a05b	1344	}
HannesTschofenig	0:796d0f61a05b	1345	}
HannesTschofenig	0:796d0f61a05b	1346	else
HannesTschofenig	0:796d0f61a05b	1347	{
HannesTschofenig	0:796d0f61a05b	1348	memcpy( buf, aes_test_cfb128_pt, 64 );
HannesTschofenig	0:796d0f61a05b	1349	aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
HannesTschofenig	0:796d0f61a05b	1350
HannesTschofenig	0:796d0f61a05b	1351	if( memcmp( buf, aes_test_cfb128_ct[u], 64 ) != 0 )
HannesTschofenig	0:796d0f61a05b	1352	{
HannesTschofenig	0:796d0f61a05b	1353	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1354	polarssl_printf( "failed\n" );
HannesTschofenig	0:796d0f61a05b	1355
HannesTschofenig	0:796d0f61a05b	1356	return( 1 );
HannesTschofenig	0:796d0f61a05b	1357	}
HannesTschofenig	0:796d0f61a05b	1358	}
HannesTschofenig	0:796d0f61a05b	1359
HannesTschofenig	0:796d0f61a05b	1360	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1361	polarssl_printf( "passed\n" );
HannesTschofenig	0:796d0f61a05b	1362	}
HannesTschofenig	0:796d0f61a05b	1363
HannesTschofenig	0:796d0f61a05b	1364	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1365	polarssl_printf( "\n" );
HannesTschofenig	0:796d0f61a05b	1366	#endif /* POLARSSL_CIPHER_MODE_CFB */
HannesTschofenig	0:796d0f61a05b	1367
HannesTschofenig	0:796d0f61a05b	1368	#if defined(POLARSSL_CIPHER_MODE_CTR)
HannesTschofenig	0:796d0f61a05b	1369	/*
HannesTschofenig	0:796d0f61a05b	1370	* CTR mode
HannesTschofenig	0:796d0f61a05b	1371	*/
HannesTschofenig	0:796d0f61a05b	1372	for( i = 0; i < 6; i++ )
HannesTschofenig	0:796d0f61a05b	1373	{
HannesTschofenig	0:796d0f61a05b	1374	u = i >> 1;
HannesTschofenig	0:796d0f61a05b	1375	v = i & 1;
HannesTschofenig	0:796d0f61a05b	1376
HannesTschofenig	0:796d0f61a05b	1377	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1378	polarssl_printf( " AES-CTR-128 (%s): ",
HannesTschofenig	0:796d0f61a05b	1379	( v == AES_DECRYPT ) ? "dec" : "enc" );
HannesTschofenig	0:796d0f61a05b	1380
HannesTschofenig	0:796d0f61a05b	1381	memcpy( nonce_counter, aes_test_ctr_nonce_counter[u], 16 );
HannesTschofenig	0:796d0f61a05b	1382	memcpy( key, aes_test_ctr_key[u], 16 );
HannesTschofenig	0:796d0f61a05b	1383
HannesTschofenig	0:796d0f61a05b	1384	offset = 0;
HannesTschofenig	0:796d0f61a05b	1385	aes_setkey_enc( &ctx, key, 128 );
HannesTschofenig	0:796d0f61a05b	1386
HannesTschofenig	0:796d0f61a05b	1387	if( v == AES_DECRYPT )
HannesTschofenig	0:796d0f61a05b	1388	{
HannesTschofenig	0:796d0f61a05b	1389	len = aes_test_ctr_len[u];
HannesTschofenig	0:796d0f61a05b	1390	memcpy( buf, aes_test_ctr_ct[u], len );
HannesTschofenig	0:796d0f61a05b	1391
HannesTschofenig	0:796d0f61a05b	1392	aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
HannesTschofenig	0:796d0f61a05b	1393	buf, buf );
HannesTschofenig	0:796d0f61a05b	1394
HannesTschofenig	0:796d0f61a05b	1395	if( memcmp( buf, aes_test_ctr_pt[u], len ) != 0 )
HannesTschofenig	0:796d0f61a05b	1396	{
HannesTschofenig	0:796d0f61a05b	1397	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1398	polarssl_printf( "failed\n" );
HannesTschofenig	0:796d0f61a05b	1399
HannesTschofenig	0:796d0f61a05b	1400	return( 1 );
HannesTschofenig	0:796d0f61a05b	1401	}
HannesTschofenig	0:796d0f61a05b	1402	}
HannesTschofenig	0:796d0f61a05b	1403	else
HannesTschofenig	0:796d0f61a05b	1404	{
HannesTschofenig	0:796d0f61a05b	1405	len = aes_test_ctr_len[u];
HannesTschofenig	0:796d0f61a05b	1406	memcpy( buf, aes_test_ctr_pt[u], len );
HannesTschofenig	0:796d0f61a05b	1407
HannesTschofenig	0:796d0f61a05b	1408	aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
HannesTschofenig	0:796d0f61a05b	1409	buf, buf );
HannesTschofenig	0:796d0f61a05b	1410
HannesTschofenig	0:796d0f61a05b	1411	if( memcmp( buf, aes_test_ctr_ct[u], len ) != 0 )
HannesTschofenig	0:796d0f61a05b	1412	{
HannesTschofenig	0:796d0f61a05b	1413	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1414	polarssl_printf( "failed\n" );
HannesTschofenig	0:796d0f61a05b	1415
HannesTschofenig	0:796d0f61a05b	1416	return( 1 );
HannesTschofenig	0:796d0f61a05b	1417	}
HannesTschofenig	0:796d0f61a05b	1418	}
HannesTschofenig	0:796d0f61a05b	1419
HannesTschofenig	0:796d0f61a05b	1420	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1421	polarssl_printf( "passed\n" );
HannesTschofenig	0:796d0f61a05b	1422	}
HannesTschofenig	0:796d0f61a05b	1423
HannesTschofenig	0:796d0f61a05b	1424	if( verbose != 0 )
HannesTschofenig	0:796d0f61a05b	1425	polarssl_printf( "\n" );
HannesTschofenig	0:796d0f61a05b	1426	#endif /* POLARSSL_CIPHER_MODE_CTR */
HannesTschofenig	0:796d0f61a05b	1427
HannesTschofenig	0:796d0f61a05b	1428	return( 0 );
HannesTschofenig	0:796d0f61a05b	1429	}
HannesTschofenig	0:796d0f61a05b	1430
HannesTschofenig	0:796d0f61a05b	1431	#endif /* POLARSSL_SELF_TEST */
HannesTschofenig	0:796d0f61a05b	1432
HannesTschofenig	0:796d0f61a05b	1433	#endif /* POLARSSL_AES_C */
HannesTschofenig	0:796d0f61a05b	1434
HannesTschofenig	0:796d0f61a05b	1435

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	27 Sep 2018
Imports:	11
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

The code in this repository is Apache licensed.

SSL/library/aes.c@0:796d0f61a05b, 2018-09-27 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning