Mark Radbourne / mbedtls

mbed TLS Build

Dependents:   Encrypt_Decrypt1 mbed_blink_tls encrypt encrypt

library/aes.c@0:cdf462088d13, 2017-01-05 (annotated)

Committer:
markrad
Date:
Thu Jan 05 00:18:44 2017 +0000
Revision:
0:cdf462088d13
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
markrad 0:cdf462088d13 1 /*
markrad 0:cdf462088d13 2 * FIPS-197 compliant AES implementation
markrad 0:cdf462088d13 3 *
markrad 0:cdf462088d13 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
markrad 0:cdf462088d13 5 * SPDX-License-Identifier: Apache-2.0
markrad 0:cdf462088d13 6 *
markrad 0:cdf462088d13 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
markrad 0:cdf462088d13 8 * not use this file except in compliance with the License.
markrad 0:cdf462088d13 9 * You may obtain a copy of the License at
markrad 0:cdf462088d13 10 *
markrad 0:cdf462088d13 11 * http://www.apache.org/licenses/LICENSE-2.0
markrad 0:cdf462088d13 12 *
markrad 0:cdf462088d13 13 * Unless required by applicable law or agreed to in writing, software
markrad 0:cdf462088d13 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
markrad 0:cdf462088d13 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
markrad 0:cdf462088d13 16 * See the License for the specific language governing permissions and
markrad 0:cdf462088d13 17 * limitations under the License.
markrad 0:cdf462088d13 18 *
markrad 0:cdf462088d13 19 * This file is part of mbed TLS (https://tls.mbed.org)
markrad 0:cdf462088d13 20 */
markrad 0:cdf462088d13 21 /*
markrad 0:cdf462088d13 22 * The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
markrad 0:cdf462088d13 23 *
markrad 0:cdf462088d13 24 * http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
markrad 0:cdf462088d13 25 * http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
markrad 0:cdf462088d13 26 */
markrad 0:cdf462088d13 27
markrad 0:cdf462088d13 28 #if !defined(MBEDTLS_CONFIG_FILE)
markrad 0:cdf462088d13 29 #include "mbedtls/config.h"
markrad 0:cdf462088d13 30 #else
markrad 0:cdf462088d13 31 #include MBEDTLS_CONFIG_FILE
markrad 0:cdf462088d13 32 #endif
markrad 0:cdf462088d13 33
markrad 0:cdf462088d13 34 #if defined(MBEDTLS_AES_C)
markrad 0:cdf462088d13 35
markrad 0:cdf462088d13 36 #include <string.h>
markrad 0:cdf462088d13 37
markrad 0:cdf462088d13 38 #include "mbedtls/aes.h"
markrad 0:cdf462088d13 39 #if defined(MBEDTLS_PADLOCK_C)
markrad 0:cdf462088d13 40 #include "mbedtls/padlock.h"
markrad 0:cdf462088d13 41 #endif
markrad 0:cdf462088d13 42 #if defined(MBEDTLS_AESNI_C)
markrad 0:cdf462088d13 43 #include "mbedtls/aesni.h"
markrad 0:cdf462088d13 44 #endif
markrad 0:cdf462088d13 45
markrad 0:cdf462088d13 46 #if defined(MBEDTLS_SELF_TEST)
markrad 0:cdf462088d13 47 #if defined(MBEDTLS_PLATFORM_C)
markrad 0:cdf462088d13 48 #include "mbedtls/platform.h"
markrad 0:cdf462088d13 49 #else
markrad 0:cdf462088d13 50 #include <stdio.h>
markrad 0:cdf462088d13 51 #define mbedtls_printf printf
markrad 0:cdf462088d13 52 #endif /* MBEDTLS_PLATFORM_C */
markrad 0:cdf462088d13 53 #endif /* MBEDTLS_SELF_TEST */
markrad 0:cdf462088d13 54
markrad 0:cdf462088d13 55 #if !defined(MBEDTLS_AES_ALT)
markrad 0:cdf462088d13 56
markrad 0:cdf462088d13 57 /* Implementation that should never be optimized out by the compiler */
markrad 0:cdf462088d13 58 static void mbedtls_zeroize( void *v, size_t n ) {
markrad 0:cdf462088d13 59 volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
markrad 0:cdf462088d13 60 }
markrad 0:cdf462088d13 61
markrad 0:cdf462088d13 62 /*
markrad 0:cdf462088d13 63 * 32-bit integer manipulation macros (little endian)
markrad 0:cdf462088d13 64 */
markrad 0:cdf462088d13 65 #ifndef GET_UINT32_LE
markrad 0:cdf462088d13 66 #define GET_UINT32_LE(n,b,i) \
markrad 0:cdf462088d13 67 { \
markrad 0:cdf462088d13 68 (n) = ( (uint32_t) (b)[(i) ] ) \
markrad 0:cdf462088d13 69 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
markrad 0:cdf462088d13 70 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
markrad 0:cdf462088d13 71 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
markrad 0:cdf462088d13 72 }
markrad 0:cdf462088d13 73 #endif
markrad 0:cdf462088d13 74
markrad 0:cdf462088d13 75 #ifndef PUT_UINT32_LE
markrad 0:cdf462088d13 76 #define PUT_UINT32_LE(n,b,i) \
markrad 0:cdf462088d13 77 { \
markrad 0:cdf462088d13 78 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
markrad 0:cdf462088d13 79 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
markrad 0:cdf462088d13 80 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
markrad 0:cdf462088d13 81 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
markrad 0:cdf462088d13 82 }
markrad 0:cdf462088d13 83 #endif
markrad 0:cdf462088d13 84
markrad 0:cdf462088d13 85 #if defined(MBEDTLS_PADLOCK_C) && \
markrad 0:cdf462088d13 86 ( defined(MBEDTLS_HAVE_X86) || defined(MBEDTLS_PADLOCK_ALIGN16) )
markrad 0:cdf462088d13 87 static int aes_padlock_ace = -1;
markrad 0:cdf462088d13 88 #endif
markrad 0:cdf462088d13 89
markrad 0:cdf462088d13 90 #if defined(MBEDTLS_AES_ROM_TABLES)
markrad 0:cdf462088d13 91 /*
markrad 0:cdf462088d13 92 * Forward S-box
markrad 0:cdf462088d13 93 */
markrad 0:cdf462088d13 94 static const unsigned char FSb[256] =
markrad 0:cdf462088d13 95 {
markrad 0:cdf462088d13 96 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
markrad 0:cdf462088d13 97 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
markrad 0:cdf462088d13 98 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
markrad 0:cdf462088d13 99 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
markrad 0:cdf462088d13 100 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
markrad 0:cdf462088d13 101 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
markrad 0:cdf462088d13 102 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
markrad 0:cdf462088d13 103 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
markrad 0:cdf462088d13 104 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
markrad 0:cdf462088d13 105 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
markrad 0:cdf462088d13 106 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
markrad 0:cdf462088d13 107 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
markrad 0:cdf462088d13 108 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
markrad 0:cdf462088d13 109 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
markrad 0:cdf462088d13 110 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
markrad 0:cdf462088d13 111 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
markrad 0:cdf462088d13 112 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
markrad 0:cdf462088d13 113 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
markrad 0:cdf462088d13 114 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
markrad 0:cdf462088d13 115 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
markrad 0:cdf462088d13 116 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
markrad 0:cdf462088d13 117 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
markrad 0:cdf462088d13 118 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
markrad 0:cdf462088d13 119 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
markrad 0:cdf462088d13 120 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
markrad 0:cdf462088d13 121 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
markrad 0:cdf462088d13 122 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
markrad 0:cdf462088d13 123 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
markrad 0:cdf462088d13 124 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
markrad 0:cdf462088d13 125 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
markrad 0:cdf462088d13 126 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
markrad 0:cdf462088d13 127 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
markrad 0:cdf462088d13 128 };
markrad 0:cdf462088d13 129
markrad 0:cdf462088d13 130 /*
markrad 0:cdf462088d13 131 * Forward tables
markrad 0:cdf462088d13 132 */
markrad 0:cdf462088d13 133 #define FT \
markrad 0:cdf462088d13 134 \
markrad 0:cdf462088d13 135 V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \
markrad 0:cdf462088d13 136 V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \
markrad 0:cdf462088d13 137 V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \
markrad 0:cdf462088d13 138 V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \
markrad 0:cdf462088d13 139 V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \
markrad 0:cdf462088d13 140 V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \
markrad 0:cdf462088d13 141 V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \
markrad 0:cdf462088d13 142 V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \
markrad 0:cdf462088d13 143 V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \
markrad 0:cdf462088d13 144 V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \
markrad 0:cdf462088d13 145 V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \
markrad 0:cdf462088d13 146 V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \
markrad 0:cdf462088d13 147 V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \
markrad 0:cdf462088d13 148 V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \
markrad 0:cdf462088d13 149 V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \
markrad 0:cdf462088d13 150 V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \
markrad 0:cdf462088d13 151 V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \
markrad 0:cdf462088d13 152 V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \
markrad 0:cdf462088d13 153 V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \
markrad 0:cdf462088d13 154 V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \
markrad 0:cdf462088d13 155 V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \
markrad 0:cdf462088d13 156 V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \
markrad 0:cdf462088d13 157 V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \
markrad 0:cdf462088d13 158 V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \
markrad 0:cdf462088d13 159 V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \
markrad 0:cdf462088d13 160 V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \
markrad 0:cdf462088d13 161 V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \
markrad 0:cdf462088d13 162 V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \
markrad 0:cdf462088d13 163 V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \
markrad 0:cdf462088d13 164 V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \
markrad 0:cdf462088d13 165 V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \
markrad 0:cdf462088d13 166 V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \
markrad 0:cdf462088d13 167 V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \
markrad 0:cdf462088d13 168 V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \
markrad 0:cdf462088d13 169 V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \
markrad 0:cdf462088d13 170 V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \
markrad 0:cdf462088d13 171 V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \
markrad 0:cdf462088d13 172 V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \
markrad 0:cdf462088d13 173 V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \
markrad 0:cdf462088d13 174 V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \
markrad 0:cdf462088d13 175 V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \
markrad 0:cdf462088d13 176 V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \
markrad 0:cdf462088d13 177 V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \
markrad 0:cdf462088d13 178 V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \
markrad 0:cdf462088d13 179 V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \
markrad 0:cdf462088d13 180 V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \
markrad 0:cdf462088d13 181 V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \
markrad 0:cdf462088d13 182 V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \
markrad 0:cdf462088d13 183 V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \
markrad 0:cdf462088d13 184 V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \
markrad 0:cdf462088d13 185 V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \
markrad 0:cdf462088d13 186 V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \
markrad 0:cdf462088d13 187 V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \
markrad 0:cdf462088d13 188 V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \
markrad 0:cdf462088d13 189 V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \
markrad 0:cdf462088d13 190 V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \
markrad 0:cdf462088d13 191 V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \
markrad 0:cdf462088d13 192 V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \
markrad 0:cdf462088d13 193 V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \
markrad 0:cdf462088d13 194 V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \
markrad 0:cdf462088d13 195 V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \
markrad 0:cdf462088d13 196 V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \
markrad 0:cdf462088d13 197 V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \
markrad 0:cdf462088d13 198 V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C)
markrad 0:cdf462088d13 199
markrad 0:cdf462088d13 200 #define V(a,b,c,d) 0x##a##b##c##d
markrad 0:cdf462088d13 201 static const uint32_t FT0[256] = { FT };
markrad 0:cdf462088d13 202 #undef V
markrad 0:cdf462088d13 203
markrad 0:cdf462088d13 204 #define V(a,b,c,d) 0x##b##c##d##a
markrad 0:cdf462088d13 205 static const uint32_t FT1[256] = { FT };
markrad 0:cdf462088d13 206 #undef V
markrad 0:cdf462088d13 207
markrad 0:cdf462088d13 208 #define V(a,b,c,d) 0x##c##d##a##b
markrad 0:cdf462088d13 209 static const uint32_t FT2[256] = { FT };
markrad 0:cdf462088d13 210 #undef V
markrad 0:cdf462088d13 211
markrad 0:cdf462088d13 212 #define V(a,b,c,d) 0x##d##a##b##c
markrad 0:cdf462088d13 213 static const uint32_t FT3[256] = { FT };
markrad 0:cdf462088d13 214 #undef V
markrad 0:cdf462088d13 215
markrad 0:cdf462088d13 216 #undef FT
markrad 0:cdf462088d13 217
markrad 0:cdf462088d13 218 /*
markrad 0:cdf462088d13 219 * Reverse S-box
markrad 0:cdf462088d13 220 */
markrad 0:cdf462088d13 221 static const unsigned char RSb[256] =
markrad 0:cdf462088d13 222 {
markrad 0:cdf462088d13 223 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
markrad 0:cdf462088d13 224 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
markrad 0:cdf462088d13 225 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
markrad 0:cdf462088d13 226 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
markrad 0:cdf462088d13 227 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
markrad 0:cdf462088d13 228 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
markrad 0:cdf462088d13 229 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
markrad 0:cdf462088d13 230 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
markrad 0:cdf462088d13 231 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
markrad 0:cdf462088d13 232 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
markrad 0:cdf462088d13 233 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
markrad 0:cdf462088d13 234 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
markrad 0:cdf462088d13 235 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
markrad 0:cdf462088d13 236 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
markrad 0:cdf462088d13 237 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
markrad 0:cdf462088d13 238 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
markrad 0:cdf462088d13 239 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
markrad 0:cdf462088d13 240 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
markrad 0:cdf462088d13 241 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
markrad 0:cdf462088d13 242 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
markrad 0:cdf462088d13 243 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
markrad 0:cdf462088d13 244 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
markrad 0:cdf462088d13 245 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
markrad 0:cdf462088d13 246 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
markrad 0:cdf462088d13 247 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
markrad 0:cdf462088d13 248 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
markrad 0:cdf462088d13 249 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
markrad 0:cdf462088d13 250 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
markrad 0:cdf462088d13 251 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
markrad 0:cdf462088d13 252 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
markrad 0:cdf462088d13 253 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
markrad 0:cdf462088d13 254 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
markrad 0:cdf462088d13 255 };
markrad 0:cdf462088d13 256
markrad 0:cdf462088d13 257 /*
markrad 0:cdf462088d13 258 * Reverse tables
markrad 0:cdf462088d13 259 */
markrad 0:cdf462088d13 260 #define RT \
markrad 0:cdf462088d13 261 \
markrad 0:cdf462088d13 262 V(50,A7,F4,51), V(53,65,41,7E), V(C3,A4,17,1A), V(96,5E,27,3A), \
markrad 0:cdf462088d13 263 V(CB,6B,AB,3B), V(F1,45,9D,1F), V(AB,58,FA,AC), V(93,03,E3,4B), \
markrad 0:cdf462088d13 264 V(55,FA,30,20), V(F6,6D,76,AD), V(91,76,CC,88), V(25,4C,02,F5), \
markrad 0:cdf462088d13 265 V(FC,D7,E5,4F), V(D7,CB,2A,C5), V(80,44,35,26), V(8F,A3,62,B5), \
markrad 0:cdf462088d13 266 V(49,5A,B1,DE), V(67,1B,BA,25), V(98,0E,EA,45), V(E1,C0,FE,5D), \
markrad 0:cdf462088d13 267 V(02,75,2F,C3), V(12,F0,4C,81), V(A3,97,46,8D), V(C6,F9,D3,6B), \
markrad 0:cdf462088d13 268 V(E7,5F,8F,03), V(95,9C,92,15), V(EB,7A,6D,BF), V(DA,59,52,95), \
markrad 0:cdf462088d13 269 V(2D,83,BE,D4), V(D3,21,74,58), V(29,69,E0,49), V(44,C8,C9,8E), \
markrad 0:cdf462088d13 270 V(6A,89,C2,75), V(78,79,8E,F4), V(6B,3E,58,99), V(DD,71,B9,27), \
markrad 0:cdf462088d13 271 V(B6,4F,E1,BE), V(17,AD,88,F0), V(66,AC,20,C9), V(B4,3A,CE,7D), \
markrad 0:cdf462088d13 272 V(18,4A,DF,63), V(82,31,1A,E5), V(60,33,51,97), V(45,7F,53,62), \
markrad 0:cdf462088d13 273 V(E0,77,64,B1), V(84,AE,6B,BB), V(1C,A0,81,FE), V(94,2B,08,F9), \
markrad 0:cdf462088d13 274 V(58,68,48,70), V(19,FD,45,8F), V(87,6C,DE,94), V(B7,F8,7B,52), \
markrad 0:cdf462088d13 275 V(23,D3,73,AB), V(E2,02,4B,72), V(57,8F,1F,E3), V(2A,AB,55,66), \
markrad 0:cdf462088d13 276 V(07,28,EB,B2), V(03,C2,B5,2F), V(9A,7B,C5,86), V(A5,08,37,D3), \
markrad 0:cdf462088d13 277 V(F2,87,28,30), V(B2,A5,BF,23), V(BA,6A,03,02), V(5C,82,16,ED), \
markrad 0:cdf462088d13 278 V(2B,1C,CF,8A), V(92,B4,79,A7), V(F0,F2,07,F3), V(A1,E2,69,4E), \
markrad 0:cdf462088d13 279 V(CD,F4,DA,65), V(D5,BE,05,06), V(1F,62,34,D1), V(8A,FE,A6,C4), \
markrad 0:cdf462088d13 280 V(9D,53,2E,34), V(A0,55,F3,A2), V(32,E1,8A,05), V(75,EB,F6,A4), \
markrad 0:cdf462088d13 281 V(39,EC,83,0B), V(AA,EF,60,40), V(06,9F,71,5E), V(51,10,6E,BD), \
markrad 0:cdf462088d13 282 V(F9,8A,21,3E), V(3D,06,DD,96), V(AE,05,3E,DD), V(46,BD,E6,4D), \
markrad 0:cdf462088d13 283 V(B5,8D,54,91), V(05,5D,C4,71), V(6F,D4,06,04), V(FF,15,50,60), \
markrad 0:cdf462088d13 284 V(24,FB,98,19), V(97,E9,BD,D6), V(CC,43,40,89), V(77,9E,D9,67), \
markrad 0:cdf462088d13 285 V(BD,42,E8,B0), V(88,8B,89,07), V(38,5B,19,E7), V(DB,EE,C8,79), \
markrad 0:cdf462088d13 286 V(47,0A,7C,A1), V(E9,0F,42,7C), V(C9,1E,84,F8), V(00,00,00,00), \
markrad 0:cdf462088d13 287 V(83,86,80,09), V(48,ED,2B,32), V(AC,70,11,1E), V(4E,72,5A,6C), \
markrad 0:cdf462088d13 288 V(FB,FF,0E,FD), V(56,38,85,0F), V(1E,D5,AE,3D), V(27,39,2D,36), \
markrad 0:cdf462088d13 289 V(64,D9,0F,0A), V(21,A6,5C,68), V(D1,54,5B,9B), V(3A,2E,36,24), \
markrad 0:cdf462088d13 290 V(B1,67,0A,0C), V(0F,E7,57,93), V(D2,96,EE,B4), V(9E,91,9B,1B), \
markrad 0:cdf462088d13 291 V(4F,C5,C0,80), V(A2,20,DC,61), V(69,4B,77,5A), V(16,1A,12,1C), \
markrad 0:cdf462088d13 292 V(0A,BA,93,E2), V(E5,2A,A0,C0), V(43,E0,22,3C), V(1D,17,1B,12), \
markrad 0:cdf462088d13 293 V(0B,0D,09,0E), V(AD,C7,8B,F2), V(B9,A8,B6,2D), V(C8,A9,1E,14), \
markrad 0:cdf462088d13 294 V(85,19,F1,57), V(4C,07,75,AF), V(BB,DD,99,EE), V(FD,60,7F,A3), \
markrad 0:cdf462088d13 295 V(9F,26,01,F7), V(BC,F5,72,5C), V(C5,3B,66,44), V(34,7E,FB,5B), \
markrad 0:cdf462088d13 296 V(76,29,43,8B), V(DC,C6,23,CB), V(68,FC,ED,B6), V(63,F1,E4,B8), \
markrad 0:cdf462088d13 297 V(CA,DC,31,D7), V(10,85,63,42), V(40,22,97,13), V(20,11,C6,84), \
markrad 0:cdf462088d13 298 V(7D,24,4A,85), V(F8,3D,BB,D2), V(11,32,F9,AE), V(6D,A1,29,C7), \
markrad 0:cdf462088d13 299 V(4B,2F,9E,1D), V(F3,30,B2,DC), V(EC,52,86,0D), V(D0,E3,C1,77), \
markrad 0:cdf462088d13 300 V(6C,16,B3,2B), V(99,B9,70,A9), V(FA,48,94,11), V(22,64,E9,47), \
markrad 0:cdf462088d13 301 V(C4,8C,FC,A8), V(1A,3F,F0,A0), V(D8,2C,7D,56), V(EF,90,33,22), \
markrad 0:cdf462088d13 302 V(C7,4E,49,87), V(C1,D1,38,D9), V(FE,A2,CA,8C), V(36,0B,D4,98), \
markrad 0:cdf462088d13 303 V(CF,81,F5,A6), V(28,DE,7A,A5), V(26,8E,B7,DA), V(A4,BF,AD,3F), \
markrad 0:cdf462088d13 304 V(E4,9D,3A,2C), V(0D,92,78,50), V(9B,CC,5F,6A), V(62,46,7E,54), \
markrad 0:cdf462088d13 305 V(C2,13,8D,F6), V(E8,B8,D8,90), V(5E,F7,39,2E), V(F5,AF,C3,82), \
markrad 0:cdf462088d13 306 V(BE,80,5D,9F), V(7C,93,D0,69), V(A9,2D,D5,6F), V(B3,12,25,CF), \
markrad 0:cdf462088d13 307 V(3B,99,AC,C8), V(A7,7D,18,10), V(6E,63,9C,E8), V(7B,BB,3B,DB), \
markrad 0:cdf462088d13 308 V(09,78,26,CD), V(F4,18,59,6E), V(01,B7,9A,EC), V(A8,9A,4F,83), \
markrad 0:cdf462088d13 309 V(65,6E,95,E6), V(7E,E6,FF,AA), V(08,CF,BC,21), V(E6,E8,15,EF), \
markrad 0:cdf462088d13 310 V(D9,9B,E7,BA), V(CE,36,6F,4A), V(D4,09,9F,EA), V(D6,7C,B0,29), \
markrad 0:cdf462088d13 311 V(AF,B2,A4,31), V(31,23,3F,2A), V(30,94,A5,C6), V(C0,66,A2,35), \
markrad 0:cdf462088d13 312 V(37,BC,4E,74), V(A6,CA,82,FC), V(B0,D0,90,E0), V(15,D8,A7,33), \
markrad 0:cdf462088d13 313 V(4A,98,04,F1), V(F7,DA,EC,41), V(0E,50,CD,7F), V(2F,F6,91,17), \
markrad 0:cdf462088d13 314 V(8D,D6,4D,76), V(4D,B0,EF,43), V(54,4D,AA,CC), V(DF,04,96,E4), \
markrad 0:cdf462088d13 315 V(E3,B5,D1,9E), V(1B,88,6A,4C), V(B8,1F,2C,C1), V(7F,51,65,46), \
markrad 0:cdf462088d13 316 V(04,EA,5E,9D), V(5D,35,8C,01), V(73,74,87,FA), V(2E,41,0B,FB), \
markrad 0:cdf462088d13 317 V(5A,1D,67,B3), V(52,D2,DB,92), V(33,56,10,E9), V(13,47,D6,6D), \
markrad 0:cdf462088d13 318 V(8C,61,D7,9A), V(7A,0C,A1,37), V(8E,14,F8,59), V(89,3C,13,EB), \
markrad 0:cdf462088d13 319 V(EE,27,A9,CE), V(35,C9,61,B7), V(ED,E5,1C,E1), V(3C,B1,47,7A), \
markrad 0:cdf462088d13 320 V(59,DF,D2,9C), V(3F,73,F2,55), V(79,CE,14,18), V(BF,37,C7,73), \
markrad 0:cdf462088d13 321 V(EA,CD,F7,53), V(5B,AA,FD,5F), V(14,6F,3D,DF), V(86,DB,44,78), \
markrad 0:cdf462088d13 322 V(81,F3,AF,CA), V(3E,C4,68,B9), V(2C,34,24,38), V(5F,40,A3,C2), \
markrad 0:cdf462088d13 323 V(72,C3,1D,16), V(0C,25,E2,BC), V(8B,49,3C,28), V(41,95,0D,FF), \
markrad 0:cdf462088d13 324 V(71,01,A8,39), V(DE,B3,0C,08), V(9C,E4,B4,D8), V(90,C1,56,64), \
markrad 0:cdf462088d13 325 V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0)
markrad 0:cdf462088d13 326
markrad 0:cdf462088d13 327 #define V(a,b,c,d) 0x##a##b##c##d
markrad 0:cdf462088d13 328 static const uint32_t RT0[256] = { RT };
markrad 0:cdf462088d13 329 #undef V
markrad 0:cdf462088d13 330
markrad 0:cdf462088d13 331 #define V(a,b,c,d) 0x##b##c##d##a
markrad 0:cdf462088d13 332 static const uint32_t RT1[256] = { RT };
markrad 0:cdf462088d13 333 #undef V
markrad 0:cdf462088d13 334
markrad 0:cdf462088d13 335 #define V(a,b,c,d) 0x##c##d##a##b
markrad 0:cdf462088d13 336 static const uint32_t RT2[256] = { RT };
markrad 0:cdf462088d13 337 #undef V
markrad 0:cdf462088d13 338
markrad 0:cdf462088d13 339 #define V(a,b,c,d) 0x##d##a##b##c
markrad 0:cdf462088d13 340 static const uint32_t RT3[256] = { RT };
markrad 0:cdf462088d13 341 #undef V
markrad 0:cdf462088d13 342
markrad 0:cdf462088d13 343 #undef RT
markrad 0:cdf462088d13 344
markrad 0:cdf462088d13 345 /*
markrad 0:cdf462088d13 346 * Round constants
markrad 0:cdf462088d13 347 */
markrad 0:cdf462088d13 348 static const uint32_t RCON[10] =
markrad 0:cdf462088d13 349 {
markrad 0:cdf462088d13 350 0x00000001, 0x00000002, 0x00000004, 0x00000008,
markrad 0:cdf462088d13 351 0x00000010, 0x00000020, 0x00000040, 0x00000080,
markrad 0:cdf462088d13 352 0x0000001B, 0x00000036
markrad 0:cdf462088d13 353 };
markrad 0:cdf462088d13 354
markrad 0:cdf462088d13 355 #else /* MBEDTLS_AES_ROM_TABLES */
markrad 0:cdf462088d13 356
markrad 0:cdf462088d13 357 /*
markrad 0:cdf462088d13 358 * Forward S-box & tables
markrad 0:cdf462088d13 359 */
markrad 0:cdf462088d13 360 static unsigned char FSb[256];
markrad 0:cdf462088d13 361 static uint32_t FT0[256];
markrad 0:cdf462088d13 362 static uint32_t FT1[256];
markrad 0:cdf462088d13 363 static uint32_t FT2[256];
markrad 0:cdf462088d13 364 static uint32_t FT3[256];
markrad 0:cdf462088d13 365
markrad 0:cdf462088d13 366 /*
markrad 0:cdf462088d13 367 * Reverse S-box & tables
markrad 0:cdf462088d13 368 */
markrad 0:cdf462088d13 369 static unsigned char RSb[256];
markrad 0:cdf462088d13 370 static uint32_t RT0[256];
markrad 0:cdf462088d13 371 static uint32_t RT1[256];
markrad 0:cdf462088d13 372 static uint32_t RT2[256];
markrad 0:cdf462088d13 373 static uint32_t RT3[256];
markrad 0:cdf462088d13 374
markrad 0:cdf462088d13 375 /*
markrad 0:cdf462088d13 376 * Round constants
markrad 0:cdf462088d13 377 */
markrad 0:cdf462088d13 378 static uint32_t RCON[10];
markrad 0:cdf462088d13 379
markrad 0:cdf462088d13 380 /*
markrad 0:cdf462088d13 381 * Tables generation code
markrad 0:cdf462088d13 382 */
markrad 0:cdf462088d13 383 #define ROTL8(x) ( ( x << 8 ) & 0xFFFFFFFF ) | ( x >> 24 )
markrad 0:cdf462088d13 384 #define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) )
markrad 0:cdf462088d13 385 #define MUL(x,y) ( ( x && y ) ? pow[(log[x]+log[y]) % 255] : 0 )
markrad 0:cdf462088d13 386
markrad 0:cdf462088d13 387 static int aes_init_done = 0;
markrad 0:cdf462088d13 388
markrad 0:cdf462088d13 389 static void aes_gen_tables( void )
markrad 0:cdf462088d13 390 {
markrad 0:cdf462088d13 391 int i, x, y, z;
markrad 0:cdf462088d13 392 int pow[256];
markrad 0:cdf462088d13 393 int log[256];
markrad 0:cdf462088d13 394
markrad 0:cdf462088d13 395 /*
markrad 0:cdf462088d13 396 * compute pow and log tables over GF(2^8)
markrad 0:cdf462088d13 397 */
markrad 0:cdf462088d13 398 for( i = 0, x = 1; i < 256; i++ )
markrad 0:cdf462088d13 399 {
markrad 0:cdf462088d13 400 pow[i] = x;
markrad 0:cdf462088d13 401 log[x] = i;
markrad 0:cdf462088d13 402 x = ( x ^ XTIME( x ) ) & 0xFF;
markrad 0:cdf462088d13 403 }
markrad 0:cdf462088d13 404
markrad 0:cdf462088d13 405 /*
markrad 0:cdf462088d13 406 * calculate the round constants
markrad 0:cdf462088d13 407 */
markrad 0:cdf462088d13 408 for( i = 0, x = 1; i < 10; i++ )
markrad 0:cdf462088d13 409 {
markrad 0:cdf462088d13 410 RCON[i] = (uint32_t) x;
markrad 0:cdf462088d13 411 x = XTIME( x ) & 0xFF;
markrad 0:cdf462088d13 412 }
markrad 0:cdf462088d13 413
markrad 0:cdf462088d13 414 /*
markrad 0:cdf462088d13 415 * generate the forward and reverse S-boxes
markrad 0:cdf462088d13 416 */
markrad 0:cdf462088d13 417 FSb[0x00] = 0x63;
markrad 0:cdf462088d13 418 RSb[0x63] = 0x00;
markrad 0:cdf462088d13 419
markrad 0:cdf462088d13 420 for( i = 1; i < 256; i++ )
markrad 0:cdf462088d13 421 {
markrad 0:cdf462088d13 422 x = pow[255 - log[i]];
markrad 0:cdf462088d13 423
markrad 0:cdf462088d13 424 y = x; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
markrad 0:cdf462088d13 425 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
markrad 0:cdf462088d13 426 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
markrad 0:cdf462088d13 427 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
markrad 0:cdf462088d13 428 x ^= y ^ 0x63;
markrad 0:cdf462088d13 429
markrad 0:cdf462088d13 430 FSb[i] = (unsigned char) x;
markrad 0:cdf462088d13 431 RSb[x] = (unsigned char) i;
markrad 0:cdf462088d13 432 }
markrad 0:cdf462088d13 433
markrad 0:cdf462088d13 434 /*
markrad 0:cdf462088d13 435 * generate the forward and reverse tables
markrad 0:cdf462088d13 436 */
markrad 0:cdf462088d13 437 for( i = 0; i < 256; i++ )
markrad 0:cdf462088d13 438 {
markrad 0:cdf462088d13 439 x = FSb[i];
markrad 0:cdf462088d13 440 y = XTIME( x ) & 0xFF;
markrad 0:cdf462088d13 441 z = ( y ^ x ) & 0xFF;
markrad 0:cdf462088d13 442
markrad 0:cdf462088d13 443 FT0[i] = ( (uint32_t) y ) ^
markrad 0:cdf462088d13 444 ( (uint32_t) x << 8 ) ^
markrad 0:cdf462088d13 445 ( (uint32_t) x << 16 ) ^
markrad 0:cdf462088d13 446 ( (uint32_t) z << 24 );
markrad 0:cdf462088d13 447
markrad 0:cdf462088d13 448 FT1[i] = ROTL8( FT0[i] );
markrad 0:cdf462088d13 449 FT2[i] = ROTL8( FT1[i] );
markrad 0:cdf462088d13 450 FT3[i] = ROTL8( FT2[i] );
markrad 0:cdf462088d13 451
markrad 0:cdf462088d13 452 x = RSb[i];
markrad 0:cdf462088d13 453
markrad 0:cdf462088d13 454 RT0[i] = ( (uint32_t) MUL( 0x0E, x ) ) ^
markrad 0:cdf462088d13 455 ( (uint32_t) MUL( 0x09, x ) << 8 ) ^
markrad 0:cdf462088d13 456 ( (uint32_t) MUL( 0x0D, x ) << 16 ) ^
markrad 0:cdf462088d13 457 ( (uint32_t) MUL( 0x0B, x ) << 24 );
markrad 0:cdf462088d13 458
markrad 0:cdf462088d13 459 RT1[i] = ROTL8( RT0[i] );
markrad 0:cdf462088d13 460 RT2[i] = ROTL8( RT1[i] );
markrad 0:cdf462088d13 461 RT3[i] = ROTL8( RT2[i] );
markrad 0:cdf462088d13 462 }
markrad 0:cdf462088d13 463 }
markrad 0:cdf462088d13 464
markrad 0:cdf462088d13 465 #endif /* MBEDTLS_AES_ROM_TABLES */
markrad 0:cdf462088d13 466
markrad 0:cdf462088d13 467 void mbedtls_aes_init( mbedtls_aes_context *ctx )
markrad 0:cdf462088d13 468 {
markrad 0:cdf462088d13 469 memset( ctx, 0, sizeof( mbedtls_aes_context ) );
markrad 0:cdf462088d13 470 }
markrad 0:cdf462088d13 471
markrad 0:cdf462088d13 472 void mbedtls_aes_free( mbedtls_aes_context *ctx )
markrad 0:cdf462088d13 473 {
markrad 0:cdf462088d13 474 if( ctx == NULL )
markrad 0:cdf462088d13 475 return;
markrad 0:cdf462088d13 476
markrad 0:cdf462088d13 477 mbedtls_zeroize( ctx, sizeof( mbedtls_aes_context ) );
markrad 0:cdf462088d13 478 }
markrad 0:cdf462088d13 479
markrad 0:cdf462088d13 480 /*
markrad 0:cdf462088d13 481 * AES key schedule (encryption)
markrad 0:cdf462088d13 482 */
markrad 0:cdf462088d13 483 #if !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
markrad 0:cdf462088d13 484 int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
markrad 0:cdf462088d13 485 unsigned int keybits )
markrad 0:cdf462088d13 486 {
markrad 0:cdf462088d13 487 unsigned int i;
markrad 0:cdf462088d13 488 uint32_t *RK;
markrad 0:cdf462088d13 489
markrad 0:cdf462088d13 490 #if !defined(MBEDTLS_AES_ROM_TABLES)
markrad 0:cdf462088d13 491 if( aes_init_done == 0 )
markrad 0:cdf462088d13 492 {
markrad 0:cdf462088d13 493 aes_gen_tables();
markrad 0:cdf462088d13 494 aes_init_done = 1;
markrad 0:cdf462088d13 495
markrad 0:cdf462088d13 496 }
markrad 0:cdf462088d13 497 #endif
markrad 0:cdf462088d13 498
markrad 0:cdf462088d13 499 switch( keybits )
markrad 0:cdf462088d13 500 {
markrad 0:cdf462088d13 501 case 128: ctx->nr = 10; break;
markrad 0:cdf462088d13 502 case 192: ctx->nr = 12; break;
markrad 0:cdf462088d13 503 case 256: ctx->nr = 14; break;
markrad 0:cdf462088d13 504 default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
markrad 0:cdf462088d13 505 }
markrad 0:cdf462088d13 506
markrad 0:cdf462088d13 507 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
markrad 0:cdf462088d13 508 if( aes_padlock_ace == -1 )
markrad 0:cdf462088d13 509 aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
markrad 0:cdf462088d13 510
markrad 0:cdf462088d13 511 if( aes_padlock_ace )
markrad 0:cdf462088d13 512 ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
markrad 0:cdf462088d13 513 else
markrad 0:cdf462088d13 514 #endif
markrad 0:cdf462088d13 515 ctx->rk = RK = ctx->buf;
markrad 0:cdf462088d13 516
markrad 0:cdf462088d13 517 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
markrad 0:cdf462088d13 518 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
markrad 0:cdf462088d13 519 return( mbedtls_aesni_setkey_enc( (unsigned char *) ctx->rk, key, keybits ) );
markrad 0:cdf462088d13 520 #endif
markrad 0:cdf462088d13 521
markrad 0:cdf462088d13 522 for( i = 0; i < ( keybits >> 5 ); i++ )
markrad 0:cdf462088d13 523 {
markrad 0:cdf462088d13 524 GET_UINT32_LE( RK[i], key, i << 2 );
markrad 0:cdf462088d13 525 }
markrad 0:cdf462088d13 526
markrad 0:cdf462088d13 527 switch( ctx->nr )
markrad 0:cdf462088d13 528 {
markrad 0:cdf462088d13 529 case 10:
markrad 0:cdf462088d13 530
markrad 0:cdf462088d13 531 for( i = 0; i < 10; i++, RK += 4 )
markrad 0:cdf462088d13 532 {
markrad 0:cdf462088d13 533 RK[4] = RK[0] ^ RCON[i] ^
markrad 0:cdf462088d13 534 ( (uint32_t) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 535 ( (uint32_t) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 536 ( (uint32_t) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 537 ( (uint32_t) FSb[ ( RK[3] ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 538
markrad 0:cdf462088d13 539 RK[5] = RK[1] ^ RK[4];
markrad 0:cdf462088d13 540 RK[6] = RK[2] ^ RK[5];
markrad 0:cdf462088d13 541 RK[7] = RK[3] ^ RK[6];
markrad 0:cdf462088d13 542 }
markrad 0:cdf462088d13 543 break;
markrad 0:cdf462088d13 544
markrad 0:cdf462088d13 545 case 12:
markrad 0:cdf462088d13 546
markrad 0:cdf462088d13 547 for( i = 0; i < 8; i++, RK += 6 )
markrad 0:cdf462088d13 548 {
markrad 0:cdf462088d13 549 RK[6] = RK[0] ^ RCON[i] ^
markrad 0:cdf462088d13 550 ( (uint32_t) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 551 ( (uint32_t) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 552 ( (uint32_t) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 553 ( (uint32_t) FSb[ ( RK[5] ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 554
markrad 0:cdf462088d13 555 RK[7] = RK[1] ^ RK[6];
markrad 0:cdf462088d13 556 RK[8] = RK[2] ^ RK[7];
markrad 0:cdf462088d13 557 RK[9] = RK[3] ^ RK[8];
markrad 0:cdf462088d13 558 RK[10] = RK[4] ^ RK[9];
markrad 0:cdf462088d13 559 RK[11] = RK[5] ^ RK[10];
markrad 0:cdf462088d13 560 }
markrad 0:cdf462088d13 561 break;
markrad 0:cdf462088d13 562
markrad 0:cdf462088d13 563 case 14:
markrad 0:cdf462088d13 564
markrad 0:cdf462088d13 565 for( i = 0; i < 7; i++, RK += 8 )
markrad 0:cdf462088d13 566 {
markrad 0:cdf462088d13 567 RK[8] = RK[0] ^ RCON[i] ^
markrad 0:cdf462088d13 568 ( (uint32_t) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 569 ( (uint32_t) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 570 ( (uint32_t) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 571 ( (uint32_t) FSb[ ( RK[7] ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 572
markrad 0:cdf462088d13 573 RK[9] = RK[1] ^ RK[8];
markrad 0:cdf462088d13 574 RK[10] = RK[2] ^ RK[9];
markrad 0:cdf462088d13 575 RK[11] = RK[3] ^ RK[10];
markrad 0:cdf462088d13 576
markrad 0:cdf462088d13 577 RK[12] = RK[4] ^
markrad 0:cdf462088d13 578 ( (uint32_t) FSb[ ( RK[11] ) & 0xFF ] ) ^
markrad 0:cdf462088d13 579 ( (uint32_t) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 580 ( (uint32_t) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 581 ( (uint32_t) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 582
markrad 0:cdf462088d13 583 RK[13] = RK[5] ^ RK[12];
markrad 0:cdf462088d13 584 RK[14] = RK[6] ^ RK[13];
markrad 0:cdf462088d13 585 RK[15] = RK[7] ^ RK[14];
markrad 0:cdf462088d13 586 }
markrad 0:cdf462088d13 587 break;
markrad 0:cdf462088d13 588 }
markrad 0:cdf462088d13 589
markrad 0:cdf462088d13 590 return( 0 );
markrad 0:cdf462088d13 591 }
markrad 0:cdf462088d13 592 #endif /* !MBEDTLS_AES_SETKEY_ENC_ALT */
markrad 0:cdf462088d13 593
markrad 0:cdf462088d13 594 /*
markrad 0:cdf462088d13 595 * AES key schedule (decryption)
markrad 0:cdf462088d13 596 */
markrad 0:cdf462088d13 597 #if !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
markrad 0:cdf462088d13 598 int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
markrad 0:cdf462088d13 599 unsigned int keybits )
markrad 0:cdf462088d13 600 {
markrad 0:cdf462088d13 601 int i, j, ret;
markrad 0:cdf462088d13 602 mbedtls_aes_context cty;
markrad 0:cdf462088d13 603 uint32_t *RK;
markrad 0:cdf462088d13 604 uint32_t *SK;
markrad 0:cdf462088d13 605
markrad 0:cdf462088d13 606 mbedtls_aes_init( &cty );
markrad 0:cdf462088d13 607
markrad 0:cdf462088d13 608 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
markrad 0:cdf462088d13 609 if( aes_padlock_ace == -1 )
markrad 0:cdf462088d13 610 aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
markrad 0:cdf462088d13 611
markrad 0:cdf462088d13 612 if( aes_padlock_ace )
markrad 0:cdf462088d13 613 ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
markrad 0:cdf462088d13 614 else
markrad 0:cdf462088d13 615 #endif
markrad 0:cdf462088d13 616 ctx->rk = RK = ctx->buf;
markrad 0:cdf462088d13 617
markrad 0:cdf462088d13 618 /* Also checks keybits */
markrad 0:cdf462088d13 619 if( ( ret = mbedtls_aes_setkey_enc( &cty, key, keybits ) ) != 0 )
markrad 0:cdf462088d13 620 goto exit;
markrad 0:cdf462088d13 621
markrad 0:cdf462088d13 622 ctx->nr = cty.nr;
markrad 0:cdf462088d13 623
markrad 0:cdf462088d13 624 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
markrad 0:cdf462088d13 625 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
markrad 0:cdf462088d13 626 {
markrad 0:cdf462088d13 627 mbedtls_aesni_inverse_key( (unsigned char *) ctx->rk,
markrad 0:cdf462088d13 628 (const unsigned char *) cty.rk, ctx->nr );
markrad 0:cdf462088d13 629 goto exit;
markrad 0:cdf462088d13 630 }
markrad 0:cdf462088d13 631 #endif
markrad 0:cdf462088d13 632
markrad 0:cdf462088d13 633 SK = cty.rk + cty.nr * 4;
markrad 0:cdf462088d13 634
markrad 0:cdf462088d13 635 *RK++ = *SK++;
markrad 0:cdf462088d13 636 *RK++ = *SK++;
markrad 0:cdf462088d13 637 *RK++ = *SK++;
markrad 0:cdf462088d13 638 *RK++ = *SK++;
markrad 0:cdf462088d13 639
markrad 0:cdf462088d13 640 for( i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8 )
markrad 0:cdf462088d13 641 {
markrad 0:cdf462088d13 642 for( j = 0; j < 4; j++, SK++ )
markrad 0:cdf462088d13 643 {
markrad 0:cdf462088d13 644 *RK++ = RT0[ FSb[ ( *SK ) & 0xFF ] ] ^
markrad 0:cdf462088d13 645 RT1[ FSb[ ( *SK >> 8 ) & 0xFF ] ] ^
markrad 0:cdf462088d13 646 RT2[ FSb[ ( *SK >> 16 ) & 0xFF ] ] ^
markrad 0:cdf462088d13 647 RT3[ FSb[ ( *SK >> 24 ) & 0xFF ] ];
markrad 0:cdf462088d13 648 }
markrad 0:cdf462088d13 649 }
markrad 0:cdf462088d13 650
markrad 0:cdf462088d13 651 *RK++ = *SK++;
markrad 0:cdf462088d13 652 *RK++ = *SK++;
markrad 0:cdf462088d13 653 *RK++ = *SK++;
markrad 0:cdf462088d13 654 *RK++ = *SK++;
markrad 0:cdf462088d13 655
markrad 0:cdf462088d13 656 exit:
markrad 0:cdf462088d13 657 mbedtls_aes_free( &cty );
markrad 0:cdf462088d13 658
markrad 0:cdf462088d13 659 return( ret );
markrad 0:cdf462088d13 660 }
markrad 0:cdf462088d13 661 #endif /* !MBEDTLS_AES_SETKEY_DEC_ALT */
markrad 0:cdf462088d13 662
markrad 0:cdf462088d13 663 #define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
markrad 0:cdf462088d13 664 { \
markrad 0:cdf462088d13 665 X0 = *RK++ ^ FT0[ ( Y0 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 666 FT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 667 FT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 668 FT3[ ( Y3 >> 24 ) & 0xFF ]; \
markrad 0:cdf462088d13 669 \
markrad 0:cdf462088d13 670 X1 = *RK++ ^ FT0[ ( Y1 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 671 FT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 672 FT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 673 FT3[ ( Y0 >> 24 ) & 0xFF ]; \
markrad 0:cdf462088d13 674 \
markrad 0:cdf462088d13 675 X2 = *RK++ ^ FT0[ ( Y2 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 676 FT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 677 FT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 678 FT3[ ( Y1 >> 24 ) & 0xFF ]; \
markrad 0:cdf462088d13 679 \
markrad 0:cdf462088d13 680 X3 = *RK++ ^ FT0[ ( Y3 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 681 FT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 682 FT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 683 FT3[ ( Y2 >> 24 ) & 0xFF ]; \
markrad 0:cdf462088d13 684 }
markrad 0:cdf462088d13 685
markrad 0:cdf462088d13 686 #define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
markrad 0:cdf462088d13 687 { \
markrad 0:cdf462088d13 688 X0 = *RK++ ^ RT0[ ( Y0 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 689 RT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 690 RT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 691 RT3[ ( Y1 >> 24 ) & 0xFF ]; \
markrad 0:cdf462088d13 692 \
markrad 0:cdf462088d13 693 X1 = *RK++ ^ RT0[ ( Y1 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 694 RT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 695 RT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 696 RT3[ ( Y2 >> 24 ) & 0xFF ]; \
markrad 0:cdf462088d13 697 \
markrad 0:cdf462088d13 698 X2 = *RK++ ^ RT0[ ( Y2 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 699 RT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 700 RT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 701 RT3[ ( Y3 >> 24 ) & 0xFF ]; \
markrad 0:cdf462088d13 702 \
markrad 0:cdf462088d13 703 X3 = *RK++ ^ RT0[ ( Y3 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 704 RT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 705 RT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
markrad 0:cdf462088d13 706 RT3[ ( Y0 >> 24 ) & 0xFF ]; \
markrad 0:cdf462088d13 707 }
markrad 0:cdf462088d13 708
markrad 0:cdf462088d13 709 /*
markrad 0:cdf462088d13 710 * AES-ECB block encryption
markrad 0:cdf462088d13 711 */
markrad 0:cdf462088d13 712 #if !defined(MBEDTLS_AES_ENCRYPT_ALT)
markrad 0:cdf462088d13 713 void mbedtls_aes_encrypt( mbedtls_aes_context *ctx,
markrad 0:cdf462088d13 714 const unsigned char input[16],
markrad 0:cdf462088d13 715 unsigned char output[16] )
markrad 0:cdf462088d13 716 {
markrad 0:cdf462088d13 717 int i;
markrad 0:cdf462088d13 718 uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
markrad 0:cdf462088d13 719
markrad 0:cdf462088d13 720 RK = ctx->rk;
markrad 0:cdf462088d13 721
markrad 0:cdf462088d13 722 GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
markrad 0:cdf462088d13 723 GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
markrad 0:cdf462088d13 724 GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
markrad 0:cdf462088d13 725 GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
markrad 0:cdf462088d13 726
markrad 0:cdf462088d13 727 for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
markrad 0:cdf462088d13 728 {
markrad 0:cdf462088d13 729 AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
markrad 0:cdf462088d13 730 AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
markrad 0:cdf462088d13 731 }
markrad 0:cdf462088d13 732
markrad 0:cdf462088d13 733 AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
markrad 0:cdf462088d13 734
markrad 0:cdf462088d13 735 X0 = *RK++ ^ \
markrad 0:cdf462088d13 736 ( (uint32_t) FSb[ ( Y0 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 737 ( (uint32_t) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 738 ( (uint32_t) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 739 ( (uint32_t) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 740
markrad 0:cdf462088d13 741 X1 = *RK++ ^ \
markrad 0:cdf462088d13 742 ( (uint32_t) FSb[ ( Y1 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 743 ( (uint32_t) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 744 ( (uint32_t) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 745 ( (uint32_t) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 746
markrad 0:cdf462088d13 747 X2 = *RK++ ^ \
markrad 0:cdf462088d13 748 ( (uint32_t) FSb[ ( Y2 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 749 ( (uint32_t) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 750 ( (uint32_t) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 751 ( (uint32_t) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 752
markrad 0:cdf462088d13 753 X3 = *RK++ ^ \
markrad 0:cdf462088d13 754 ( (uint32_t) FSb[ ( Y3 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 755 ( (uint32_t) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 756 ( (uint32_t) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 757 ( (uint32_t) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 758
markrad 0:cdf462088d13 759 PUT_UINT32_LE( X0, output, 0 );
markrad 0:cdf462088d13 760 PUT_UINT32_LE( X1, output, 4 );
markrad 0:cdf462088d13 761 PUT_UINT32_LE( X2, output, 8 );
markrad 0:cdf462088d13 762 PUT_UINT32_LE( X3, output, 12 );
markrad 0:cdf462088d13 763 }
markrad 0:cdf462088d13 764 #endif /* !MBEDTLS_AES_ENCRYPT_ALT */
markrad 0:cdf462088d13 765
markrad 0:cdf462088d13 766 /*
markrad 0:cdf462088d13 767 * AES-ECB block decryption
markrad 0:cdf462088d13 768 */
markrad 0:cdf462088d13 769 #if !defined(MBEDTLS_AES_DECRYPT_ALT)
markrad 0:cdf462088d13 770 void mbedtls_aes_decrypt( mbedtls_aes_context *ctx,
markrad 0:cdf462088d13 771 const unsigned char input[16],
markrad 0:cdf462088d13 772 unsigned char output[16] )
markrad 0:cdf462088d13 773 {
markrad 0:cdf462088d13 774 int i;
markrad 0:cdf462088d13 775 uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
markrad 0:cdf462088d13 776
markrad 0:cdf462088d13 777 RK = ctx->rk;
markrad 0:cdf462088d13 778
markrad 0:cdf462088d13 779 GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
markrad 0:cdf462088d13 780 GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
markrad 0:cdf462088d13 781 GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
markrad 0:cdf462088d13 782 GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
markrad 0:cdf462088d13 783
markrad 0:cdf462088d13 784 for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
markrad 0:cdf462088d13 785 {
markrad 0:cdf462088d13 786 AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
markrad 0:cdf462088d13 787 AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
markrad 0:cdf462088d13 788 }
markrad 0:cdf462088d13 789
markrad 0:cdf462088d13 790 AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
markrad 0:cdf462088d13 791
markrad 0:cdf462088d13 792 X0 = *RK++ ^ \
markrad 0:cdf462088d13 793 ( (uint32_t) RSb[ ( Y0 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 794 ( (uint32_t) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 795 ( (uint32_t) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 796 ( (uint32_t) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 797
markrad 0:cdf462088d13 798 X1 = *RK++ ^ \
markrad 0:cdf462088d13 799 ( (uint32_t) RSb[ ( Y1 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 800 ( (uint32_t) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 801 ( (uint32_t) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 802 ( (uint32_t) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 803
markrad 0:cdf462088d13 804 X2 = *RK++ ^ \
markrad 0:cdf462088d13 805 ( (uint32_t) RSb[ ( Y2 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 806 ( (uint32_t) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 807 ( (uint32_t) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 808 ( (uint32_t) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 809
markrad 0:cdf462088d13 810 X3 = *RK++ ^ \
markrad 0:cdf462088d13 811 ( (uint32_t) RSb[ ( Y3 ) & 0xFF ] ) ^
markrad 0:cdf462088d13 812 ( (uint32_t) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
markrad 0:cdf462088d13 813 ( (uint32_t) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
markrad 0:cdf462088d13 814 ( (uint32_t) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
markrad 0:cdf462088d13 815
markrad 0:cdf462088d13 816 PUT_UINT32_LE( X0, output, 0 );
markrad 0:cdf462088d13 817 PUT_UINT32_LE( X1, output, 4 );
markrad 0:cdf462088d13 818 PUT_UINT32_LE( X2, output, 8 );
markrad 0:cdf462088d13 819 PUT_UINT32_LE( X3, output, 12 );
markrad 0:cdf462088d13 820 }
markrad 0:cdf462088d13 821 #endif /* !MBEDTLS_AES_DECRYPT_ALT */
markrad 0:cdf462088d13 822
markrad 0:cdf462088d13 823 /*
markrad 0:cdf462088d13 824 * AES-ECB block encryption/decryption
markrad 0:cdf462088d13 825 */
markrad 0:cdf462088d13 826 int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
markrad 0:cdf462088d13 827 int mode,
markrad 0:cdf462088d13 828 const unsigned char input[16],
markrad 0:cdf462088d13 829 unsigned char output[16] )
markrad 0:cdf462088d13 830 {
markrad 0:cdf462088d13 831 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
markrad 0:cdf462088d13 832 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
markrad 0:cdf462088d13 833 return( mbedtls_aesni_crypt_ecb( ctx, mode, input, output ) );
markrad 0:cdf462088d13 834 #endif
markrad 0:cdf462088d13 835
markrad 0:cdf462088d13 836 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
markrad 0:cdf462088d13 837 if( aes_padlock_ace )
markrad 0:cdf462088d13 838 {
markrad 0:cdf462088d13 839 if( mbedtls_padlock_xcryptecb( ctx, mode, input, output ) == 0 )
markrad 0:cdf462088d13 840 return( 0 );
markrad 0:cdf462088d13 841
markrad 0:cdf462088d13 842 // If padlock data misaligned, we just fall back to
markrad 0:cdf462088d13 843 // unaccelerated mode
markrad 0:cdf462088d13 844 //
markrad 0:cdf462088d13 845 }
markrad 0:cdf462088d13 846 #endif
markrad 0:cdf462088d13 847
markrad 0:cdf462088d13 848 if( mode == MBEDTLS_AES_ENCRYPT )
markrad 0:cdf462088d13 849 mbedtls_aes_encrypt( ctx, input, output );
markrad 0:cdf462088d13 850 else
markrad 0:cdf462088d13 851 mbedtls_aes_decrypt( ctx, input, output );
markrad 0:cdf462088d13 852
markrad 0:cdf462088d13 853 return( 0 );
markrad 0:cdf462088d13 854 }
markrad 0:cdf462088d13 855
markrad 0:cdf462088d13 856 #if defined(MBEDTLS_CIPHER_MODE_CBC)
markrad 0:cdf462088d13 857 /*
markrad 0:cdf462088d13 858 * AES-CBC buffer encryption/decryption
markrad 0:cdf462088d13 859 */
markrad 0:cdf462088d13 860 int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
markrad 0:cdf462088d13 861 int mode,
markrad 0:cdf462088d13 862 size_t length,
markrad 0:cdf462088d13 863 unsigned char iv[16],
markrad 0:cdf462088d13 864 const unsigned char *input,
markrad 0:cdf462088d13 865 unsigned char *output )
markrad 0:cdf462088d13 866 {
markrad 0:cdf462088d13 867 int i;
markrad 0:cdf462088d13 868 unsigned char temp[16];
markrad 0:cdf462088d13 869
markrad 0:cdf462088d13 870 if( length % 16 )
markrad 0:cdf462088d13 871 return( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
markrad 0:cdf462088d13 872
markrad 0:cdf462088d13 873 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
markrad 0:cdf462088d13 874 if( aes_padlock_ace )
markrad 0:cdf462088d13 875 {
markrad 0:cdf462088d13 876 if( mbedtls_padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 )
markrad 0:cdf462088d13 877 return( 0 );
markrad 0:cdf462088d13 878
markrad 0:cdf462088d13 879 // If padlock data misaligned, we just fall back to
markrad 0:cdf462088d13 880 // unaccelerated mode
markrad 0:cdf462088d13 881 //
markrad 0:cdf462088d13 882 }
markrad 0:cdf462088d13 883 #endif
markrad 0:cdf462088d13 884
markrad 0:cdf462088d13 885 if( mode == MBEDTLS_AES_DECRYPT )
markrad 0:cdf462088d13 886 {
markrad 0:cdf462088d13 887 while( length > 0 )
markrad 0:cdf462088d13 888 {
markrad 0:cdf462088d13 889 memcpy( temp, input, 16 );
markrad 0:cdf462088d13 890 mbedtls_aes_crypt_ecb( ctx, mode, input, output );
markrad 0:cdf462088d13 891
markrad 0:cdf462088d13 892 for( i = 0; i < 16; i++ )
markrad 0:cdf462088d13 893 output[i] = (unsigned char)( output[i] ^ iv[i] );
markrad 0:cdf462088d13 894
markrad 0:cdf462088d13 895 memcpy( iv, temp, 16 );
markrad 0:cdf462088d13 896
markrad 0:cdf462088d13 897 input += 16;
markrad 0:cdf462088d13 898 output += 16;
markrad 0:cdf462088d13 899 length -= 16;
markrad 0:cdf462088d13 900 }
markrad 0:cdf462088d13 901 }
markrad 0:cdf462088d13 902 else
markrad 0:cdf462088d13 903 {
markrad 0:cdf462088d13 904 while( length > 0 )
markrad 0:cdf462088d13 905 {
markrad 0:cdf462088d13 906 for( i = 0; i < 16; i++ )
markrad 0:cdf462088d13 907 output[i] = (unsigned char)( input[i] ^ iv[i] );
markrad 0:cdf462088d13 908
markrad 0:cdf462088d13 909 mbedtls_aes_crypt_ecb( ctx, mode, output, output );
markrad 0:cdf462088d13 910 memcpy( iv, output, 16 );
markrad 0:cdf462088d13 911
markrad 0:cdf462088d13 912 input += 16;
markrad 0:cdf462088d13 913 output += 16;
markrad 0:cdf462088d13 914 length -= 16;
markrad 0:cdf462088d13 915 }
markrad 0:cdf462088d13 916 }
markrad 0:cdf462088d13 917
markrad 0:cdf462088d13 918 return( 0 );
markrad 0:cdf462088d13 919 }
markrad 0:cdf462088d13 920 #endif /* MBEDTLS_CIPHER_MODE_CBC */
markrad 0:cdf462088d13 921
markrad 0:cdf462088d13 922 #if defined(MBEDTLS_CIPHER_MODE_CFB)
markrad 0:cdf462088d13 923 /*
markrad 0:cdf462088d13 924 * AES-CFB128 buffer encryption/decryption
markrad 0:cdf462088d13 925 */
markrad 0:cdf462088d13 926 int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
markrad 0:cdf462088d13 927 int mode,
markrad 0:cdf462088d13 928 size_t length,
markrad 0:cdf462088d13 929 size_t *iv_off,
markrad 0:cdf462088d13 930 unsigned char iv[16],
markrad 0:cdf462088d13 931 const unsigned char *input,
markrad 0:cdf462088d13 932 unsigned char *output )
markrad 0:cdf462088d13 933 {
markrad 0:cdf462088d13 934 int c;
markrad 0:cdf462088d13 935 size_t n = *iv_off;
markrad 0:cdf462088d13 936
markrad 0:cdf462088d13 937 if( mode == MBEDTLS_AES_DECRYPT )
markrad 0:cdf462088d13 938 {
markrad 0:cdf462088d13 939 while( length-- )
markrad 0:cdf462088d13 940 {
markrad 0:cdf462088d13 941 if( n == 0 )
markrad 0:cdf462088d13 942 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
markrad 0:cdf462088d13 943
markrad 0:cdf462088d13 944 c = *input++;
markrad 0:cdf462088d13 945 *output++ = (unsigned char)( c ^ iv[n] );
markrad 0:cdf462088d13 946 iv[n] = (unsigned char) c;
markrad 0:cdf462088d13 947
markrad 0:cdf462088d13 948 n = ( n + 1 ) & 0x0F;
markrad 0:cdf462088d13 949 }
markrad 0:cdf462088d13 950 }
markrad 0:cdf462088d13 951 else
markrad 0:cdf462088d13 952 {
markrad 0:cdf462088d13 953 while( length-- )
markrad 0:cdf462088d13 954 {
markrad 0:cdf462088d13 955 if( n == 0 )
markrad 0:cdf462088d13 956 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
markrad 0:cdf462088d13 957
markrad 0:cdf462088d13 958 iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
markrad 0:cdf462088d13 959
markrad 0:cdf462088d13 960 n = ( n + 1 ) & 0x0F;
markrad 0:cdf462088d13 961 }
markrad 0:cdf462088d13 962 }
markrad 0:cdf462088d13 963
markrad 0:cdf462088d13 964 *iv_off = n;
markrad 0:cdf462088d13 965
markrad 0:cdf462088d13 966 return( 0 );
markrad 0:cdf462088d13 967 }
markrad 0:cdf462088d13 968
markrad 0:cdf462088d13 969 /*
markrad 0:cdf462088d13 970 * AES-CFB8 buffer encryption/decryption
markrad 0:cdf462088d13 971 */
markrad 0:cdf462088d13 972 int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx,
markrad 0:cdf462088d13 973 int mode,
markrad 0:cdf462088d13 974 size_t length,
markrad 0:cdf462088d13 975 unsigned char iv[16],
markrad 0:cdf462088d13 976 const unsigned char *input,
markrad 0:cdf462088d13 977 unsigned char *output )
markrad 0:cdf462088d13 978 {
markrad 0:cdf462088d13 979 unsigned char c;
markrad 0:cdf462088d13 980 unsigned char ov[17];
markrad 0:cdf462088d13 981
markrad 0:cdf462088d13 982 while( length-- )
markrad 0:cdf462088d13 983 {
markrad 0:cdf462088d13 984 memcpy( ov, iv, 16 );
markrad 0:cdf462088d13 985 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
markrad 0:cdf462088d13 986
markrad 0:cdf462088d13 987 if( mode == MBEDTLS_AES_DECRYPT )
markrad 0:cdf462088d13 988 ov[16] = *input;
markrad 0:cdf462088d13 989
markrad 0:cdf462088d13 990 c = *output++ = (unsigned char)( iv[0] ^ *input++ );
markrad 0:cdf462088d13 991
markrad 0:cdf462088d13 992 if( mode == MBEDTLS_AES_ENCRYPT )
markrad 0:cdf462088d13 993 ov[16] = c;
markrad 0:cdf462088d13 994
markrad 0:cdf462088d13 995 memcpy( iv, ov + 1, 16 );
markrad 0:cdf462088d13 996 }
markrad 0:cdf462088d13 997
markrad 0:cdf462088d13 998 return( 0 );
markrad 0:cdf462088d13 999 }
markrad 0:cdf462088d13 1000 #endif /*MBEDTLS_CIPHER_MODE_CFB */
markrad 0:cdf462088d13 1001
markrad 0:cdf462088d13 1002 #if defined(MBEDTLS_CIPHER_MODE_CTR)
markrad 0:cdf462088d13 1003 /*
markrad 0:cdf462088d13 1004 * AES-CTR buffer encryption/decryption
markrad 0:cdf462088d13 1005 */
markrad 0:cdf462088d13 1006 int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx,
markrad 0:cdf462088d13 1007 size_t length,
markrad 0:cdf462088d13 1008 size_t *nc_off,
markrad 0:cdf462088d13 1009 unsigned char nonce_counter[16],
markrad 0:cdf462088d13 1010 unsigned char stream_block[16],
markrad 0:cdf462088d13 1011 const unsigned char *input,
markrad 0:cdf462088d13 1012 unsigned char *output )
markrad 0:cdf462088d13 1013 {
markrad 0:cdf462088d13 1014 int c, i;
markrad 0:cdf462088d13 1015 size_t n = *nc_off;
markrad 0:cdf462088d13 1016
markrad 0:cdf462088d13 1017 while( length-- )
markrad 0:cdf462088d13 1018 {
markrad 0:cdf462088d13 1019 if( n == 0 ) {
markrad 0:cdf462088d13 1020 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, nonce_counter, stream_block );
markrad 0:cdf462088d13 1021
markrad 0:cdf462088d13 1022 for( i = 16; i > 0; i-- )
markrad 0:cdf462088d13 1023 if( ++nonce_counter[i - 1] != 0 )
markrad 0:cdf462088d13 1024 break;
markrad 0:cdf462088d13 1025 }
markrad 0:cdf462088d13 1026 c = *input++;
markrad 0:cdf462088d13 1027 *output++ = (unsigned char)( c ^ stream_block[n] );
markrad 0:cdf462088d13 1028
markrad 0:cdf462088d13 1029 n = ( n + 1 ) & 0x0F;
markrad 0:cdf462088d13 1030 }
markrad 0:cdf462088d13 1031
markrad 0:cdf462088d13 1032 *nc_off = n;
markrad 0:cdf462088d13 1033
markrad 0:cdf462088d13 1034 return( 0 );
markrad 0:cdf462088d13 1035 }
markrad 0:cdf462088d13 1036 #endif /* MBEDTLS_CIPHER_MODE_CTR */
markrad 0:cdf462088d13 1037
markrad 0:cdf462088d13 1038 #endif /* !MBEDTLS_AES_ALT */
markrad 0:cdf462088d13 1039
markrad 0:cdf462088d13 1040 #if defined(MBEDTLS_SELF_TEST)
markrad 0:cdf462088d13 1041 /*
markrad 0:cdf462088d13 1042 * AES test vectors from:
markrad 0:cdf462088d13 1043 *
markrad 0:cdf462088d13 1044 * http://csrc.nist.gov/archive/aes/rijndael/rijndael-vals.zip
markrad 0:cdf462088d13 1045 */
markrad 0:cdf462088d13 1046 static const unsigned char aes_test_ecb_dec[3][16] =
markrad 0:cdf462088d13 1047 {
markrad 0:cdf462088d13 1048 { 0x44, 0x41, 0x6A, 0xC2, 0xD1, 0xF5, 0x3C, 0x58,
markrad 0:cdf462088d13 1049 0x33, 0x03, 0x91, 0x7E, 0x6B, 0xE9, 0xEB, 0xE0 },
markrad 0:cdf462088d13 1050 { 0x48, 0xE3, 0x1E, 0x9E, 0x25, 0x67, 0x18, 0xF2,
markrad 0:cdf462088d13 1051 0x92, 0x29, 0x31, 0x9C, 0x19, 0xF1, 0x5B, 0xA4 },
markrad 0:cdf462088d13 1052 { 0x05, 0x8C, 0xCF, 0xFD, 0xBB, 0xCB, 0x38, 0x2D,
markrad 0:cdf462088d13 1053 0x1F, 0x6F, 0x56, 0x58, 0x5D, 0x8A, 0x4A, 0xDE }
markrad 0:cdf462088d13 1054 };
markrad 0:cdf462088d13 1055
markrad 0:cdf462088d13 1056 static const unsigned char aes_test_ecb_enc[3][16] =
markrad 0:cdf462088d13 1057 {
markrad 0:cdf462088d13 1058 { 0xC3, 0x4C, 0x05, 0x2C, 0xC0, 0xDA, 0x8D, 0x73,
markrad 0:cdf462088d13 1059 0x45, 0x1A, 0xFE, 0x5F, 0x03, 0xBE, 0x29, 0x7F },
markrad 0:cdf462088d13 1060 { 0xF3, 0xF6, 0x75, 0x2A, 0xE8, 0xD7, 0x83, 0x11,
markrad 0:cdf462088d13 1061 0x38, 0xF0, 0x41, 0x56, 0x06, 0x31, 0xB1, 0x14 },
markrad 0:cdf462088d13 1062 { 0x8B, 0x79, 0xEE, 0xCC, 0x93, 0xA0, 0xEE, 0x5D,
markrad 0:cdf462088d13 1063 0xFF, 0x30, 0xB4, 0xEA, 0x21, 0x63, 0x6D, 0xA4 }
markrad 0:cdf462088d13 1064 };
markrad 0:cdf462088d13 1065
markrad 0:cdf462088d13 1066 #if defined(MBEDTLS_CIPHER_MODE_CBC)
markrad 0:cdf462088d13 1067 static const unsigned char aes_test_cbc_dec[3][16] =
markrad 0:cdf462088d13 1068 {
markrad 0:cdf462088d13 1069 { 0xFA, 0xCA, 0x37, 0xE0, 0xB0, 0xC8, 0x53, 0x73,
markrad 0:cdf462088d13 1070 0xDF, 0x70, 0x6E, 0x73, 0xF7, 0xC9, 0xAF, 0x86 },
markrad 0:cdf462088d13 1071 { 0x5D, 0xF6, 0x78, 0xDD, 0x17, 0xBA, 0x4E, 0x75,
markrad 0:cdf462088d13 1072 0xB6, 0x17, 0x68, 0xC6, 0xAD, 0xEF, 0x7C, 0x7B },
markrad 0:cdf462088d13 1073 { 0x48, 0x04, 0xE1, 0x81, 0x8F, 0xE6, 0x29, 0x75,
markrad 0:cdf462088d13 1074 0x19, 0xA3, 0xE8, 0x8C, 0x57, 0x31, 0x04, 0x13 }
markrad 0:cdf462088d13 1075 };
markrad 0:cdf462088d13 1076
markrad 0:cdf462088d13 1077 static const unsigned char aes_test_cbc_enc[3][16] =
markrad 0:cdf462088d13 1078 {
markrad 0:cdf462088d13 1079 { 0x8A, 0x05, 0xFC, 0x5E, 0x09, 0x5A, 0xF4, 0x84,
markrad 0:cdf462088d13 1080 0x8A, 0x08, 0xD3, 0x28, 0xD3, 0x68, 0x8E, 0x3D },
markrad 0:cdf462088d13 1081 { 0x7B, 0xD9, 0x66, 0xD5, 0x3A, 0xD8, 0xC1, 0xBB,
markrad 0:cdf462088d13 1082 0x85, 0xD2, 0xAD, 0xFA, 0xE8, 0x7B, 0xB1, 0x04 },
markrad 0:cdf462088d13 1083 { 0xFE, 0x3C, 0x53, 0x65, 0x3E, 0x2F, 0x45, 0xB5,
markrad 0:cdf462088d13 1084 0x6F, 0xCD, 0x88, 0xB2, 0xCC, 0x89, 0x8F, 0xF0 }
markrad 0:cdf462088d13 1085 };
markrad 0:cdf462088d13 1086 #endif /* MBEDTLS_CIPHER_MODE_CBC */
markrad 0:cdf462088d13 1087
markrad 0:cdf462088d13 1088 #if defined(MBEDTLS_CIPHER_MODE_CFB)
markrad 0:cdf462088d13 1089 /*
markrad 0:cdf462088d13 1090 * AES-CFB128 test vectors from:
markrad 0:cdf462088d13 1091 *
markrad 0:cdf462088d13 1092 * http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
markrad 0:cdf462088d13 1093 */
markrad 0:cdf462088d13 1094 static const unsigned char aes_test_cfb128_key[3][32] =
markrad 0:cdf462088d13 1095 {
markrad 0:cdf462088d13 1096 { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
markrad 0:cdf462088d13 1097 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C },
markrad 0:cdf462088d13 1098 { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
markrad 0:cdf462088d13 1099 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
markrad 0:cdf462088d13 1100 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B },
markrad 0:cdf462088d13 1101 { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
markrad 0:cdf462088d13 1102 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
markrad 0:cdf462088d13 1103 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
markrad 0:cdf462088d13 1104 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
markrad 0:cdf462088d13 1105 };
markrad 0:cdf462088d13 1106
markrad 0:cdf462088d13 1107 static const unsigned char aes_test_cfb128_iv[16] =
markrad 0:cdf462088d13 1108 {
markrad 0:cdf462088d13 1109 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
markrad 0:cdf462088d13 1110 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
markrad 0:cdf462088d13 1111 };
markrad 0:cdf462088d13 1112
markrad 0:cdf462088d13 1113 static const unsigned char aes_test_cfb128_pt[64] =
markrad 0:cdf462088d13 1114 {
markrad 0:cdf462088d13 1115 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
markrad 0:cdf462088d13 1116 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A,
markrad 0:cdf462088d13 1117 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
markrad 0:cdf462088d13 1118 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51,
markrad 0:cdf462088d13 1119 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
markrad 0:cdf462088d13 1120 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF,
markrad 0:cdf462088d13 1121 0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17,
markrad 0:cdf462088d13 1122 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10
markrad 0:cdf462088d13 1123 };
markrad 0:cdf462088d13 1124
markrad 0:cdf462088d13 1125 static const unsigned char aes_test_cfb128_ct[3][64] =
markrad 0:cdf462088d13 1126 {
markrad 0:cdf462088d13 1127 { 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20,
markrad 0:cdf462088d13 1128 0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A,
markrad 0:cdf462088d13 1129 0xC8, 0xA6, 0x45, 0x37, 0xA0, 0xB3, 0xA9, 0x3F,
markrad 0:cdf462088d13 1130 0xCD, 0xE3, 0xCD, 0xAD, 0x9F, 0x1C, 0xE5, 0x8B,
markrad 0:cdf462088d13 1131 0x26, 0x75, 0x1F, 0x67, 0xA3, 0xCB, 0xB1, 0x40,
markrad 0:cdf462088d13 1132 0xB1, 0x80, 0x8C, 0xF1, 0x87, 0xA4, 0xF4, 0xDF,
markrad 0:cdf462088d13 1133 0xC0, 0x4B, 0x05, 0x35, 0x7C, 0x5D, 0x1C, 0x0E,
markrad 0:cdf462088d13 1134 0xEA, 0xC4, 0xC6, 0x6F, 0x9F, 0xF7, 0xF2, 0xE6 },
markrad 0:cdf462088d13 1135 { 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB,
markrad 0:cdf462088d13 1136 0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74,
markrad 0:cdf462088d13 1137 0x67, 0xCE, 0x7F, 0x7F, 0x81, 0x17, 0x36, 0x21,
markrad 0:cdf462088d13 1138 0x96, 0x1A, 0x2B, 0x70, 0x17, 0x1D, 0x3D, 0x7A,
markrad 0:cdf462088d13 1139 0x2E, 0x1E, 0x8A, 0x1D, 0xD5, 0x9B, 0x88, 0xB1,
markrad 0:cdf462088d13 1140 0xC8, 0xE6, 0x0F, 0xED, 0x1E, 0xFA, 0xC4, 0xC9,
markrad 0:cdf462088d13 1141 0xC0, 0x5F, 0x9F, 0x9C, 0xA9, 0x83, 0x4F, 0xA0,
markrad 0:cdf462088d13 1142 0x42, 0xAE, 0x8F, 0xBA, 0x58, 0x4B, 0x09, 0xFF },
markrad 0:cdf462088d13 1143 { 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B,
markrad 0:cdf462088d13 1144 0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60,
markrad 0:cdf462088d13 1145 0x39, 0xFF, 0xED, 0x14, 0x3B, 0x28, 0xB1, 0xC8,
markrad 0:cdf462088d13 1146 0x32, 0x11, 0x3C, 0x63, 0x31, 0xE5, 0x40, 0x7B,
markrad 0:cdf462088d13 1147 0xDF, 0x10, 0x13, 0x24, 0x15, 0xE5, 0x4B, 0x92,
markrad 0:cdf462088d13 1148 0xA1, 0x3E, 0xD0, 0xA8, 0x26, 0x7A, 0xE2, 0xF9,
markrad 0:cdf462088d13 1149 0x75, 0xA3, 0x85, 0x74, 0x1A, 0xB9, 0xCE, 0xF8,
markrad 0:cdf462088d13 1150 0x20, 0x31, 0x62, 0x3D, 0x55, 0xB1, 0xE4, 0x71 }
markrad 0:cdf462088d13 1151 };
markrad 0:cdf462088d13 1152 #endif /* MBEDTLS_CIPHER_MODE_CFB */
markrad 0:cdf462088d13 1153
markrad 0:cdf462088d13 1154 #if defined(MBEDTLS_CIPHER_MODE_CTR)
markrad 0:cdf462088d13 1155 /*
markrad 0:cdf462088d13 1156 * AES-CTR test vectors from:
markrad 0:cdf462088d13 1157 *
markrad 0:cdf462088d13 1158 * http://www.faqs.org/rfcs/rfc3686.html
markrad 0:cdf462088d13 1159 */
markrad 0:cdf462088d13 1160
markrad 0:cdf462088d13 1161 static const unsigned char aes_test_ctr_key[3][16] =
markrad 0:cdf462088d13 1162 {
markrad 0:cdf462088d13 1163 { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC,
markrad 0:cdf462088d13 1164 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E },
markrad 0:cdf462088d13 1165 { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7,
markrad 0:cdf462088d13 1166 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 },
markrad 0:cdf462088d13 1167 { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8,
markrad 0:cdf462088d13 1168 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC }
markrad 0:cdf462088d13 1169 };
markrad 0:cdf462088d13 1170
markrad 0:cdf462088d13 1171 static const unsigned char aes_test_ctr_nonce_counter[3][16] =
markrad 0:cdf462088d13 1172 {
markrad 0:cdf462088d13 1173 { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
markrad 0:cdf462088d13 1174 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
markrad 0:cdf462088d13 1175 { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59,
markrad 0:cdf462088d13 1176 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 },
markrad 0:cdf462088d13 1177 { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F,
markrad 0:cdf462088d13 1178 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 }
markrad 0:cdf462088d13 1179 };
markrad 0:cdf462088d13 1180
markrad 0:cdf462088d13 1181 static const unsigned char aes_test_ctr_pt[3][48] =
markrad 0:cdf462088d13 1182 {
markrad 0:cdf462088d13 1183 { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62,
markrad 0:cdf462088d13 1184 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 },
markrad 0:cdf462088d13 1185
markrad 0:cdf462088d13 1186 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
markrad 0:cdf462088d13 1187 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
markrad 0:cdf462088d13 1188 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
markrad 0:cdf462088d13 1189 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
markrad 0:cdf462088d13 1190
markrad 0:cdf462088d13 1191 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
markrad 0:cdf462088d13 1192 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
markrad 0:cdf462088d13 1193 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
markrad 0:cdf462088d13 1194 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
markrad 0:cdf462088d13 1195 0x20, 0x21, 0x22, 0x23 }
markrad 0:cdf462088d13 1196 };
markrad 0:cdf462088d13 1197
markrad 0:cdf462088d13 1198 static const unsigned char aes_test_ctr_ct[3][48] =
markrad 0:cdf462088d13 1199 {
markrad 0:cdf462088d13 1200 { 0xE4, 0x09, 0x5D, 0x4F, 0xB7, 0xA7, 0xB3, 0x79,
markrad 0:cdf462088d13 1201 0x2D, 0x61, 0x75, 0xA3, 0x26, 0x13, 0x11, 0xB8 },
markrad 0:cdf462088d13 1202 { 0x51, 0x04, 0xA1, 0x06, 0x16, 0x8A, 0x72, 0xD9,
markrad 0:cdf462088d13 1203 0x79, 0x0D, 0x41, 0xEE, 0x8E, 0xDA, 0xD3, 0x88,
markrad 0:cdf462088d13 1204 0xEB, 0x2E, 0x1E, 0xFC, 0x46, 0xDA, 0x57, 0xC8,
markrad 0:cdf462088d13 1205 0xFC, 0xE6, 0x30, 0xDF, 0x91, 0x41, 0xBE, 0x28 },
markrad 0:cdf462088d13 1206 { 0xC1, 0xCF, 0x48, 0xA8, 0x9F, 0x2F, 0xFD, 0xD9,
markrad 0:cdf462088d13 1207 0xCF, 0x46, 0x52, 0xE9, 0xEF, 0xDB, 0x72, 0xD7,
markrad 0:cdf462088d13 1208 0x45, 0x40, 0xA4, 0x2B, 0xDE, 0x6D, 0x78, 0x36,
markrad 0:cdf462088d13 1209 0xD5, 0x9A, 0x5C, 0xEA, 0xAE, 0xF3, 0x10, 0x53,
markrad 0:cdf462088d13 1210 0x25, 0xB2, 0x07, 0x2F }
markrad 0:cdf462088d13 1211 };
markrad 0:cdf462088d13 1212
markrad 0:cdf462088d13 1213 static const int aes_test_ctr_len[3] =
markrad 0:cdf462088d13 1214 { 16, 32, 36 };
markrad 0:cdf462088d13 1215 #endif /* MBEDTLS_CIPHER_MODE_CTR */
markrad 0:cdf462088d13 1216
markrad 0:cdf462088d13 1217 /*
markrad 0:cdf462088d13 1218 * Checkup routine
markrad 0:cdf462088d13 1219 */
markrad 0:cdf462088d13 1220 int mbedtls_aes_self_test( int verbose )
markrad 0:cdf462088d13 1221 {
markrad 0:cdf462088d13 1222 int ret = 0, i, j, u, v;
markrad 0:cdf462088d13 1223 unsigned char key[32];
markrad 0:cdf462088d13 1224 unsigned char buf[64];
markrad 0:cdf462088d13 1225 #if defined(MBEDTLS_CIPHER_MODE_CBC) || defined(MBEDTLS_CIPHER_MODE_CFB)
markrad 0:cdf462088d13 1226 unsigned char iv[16];
markrad 0:cdf462088d13 1227 #endif
markrad 0:cdf462088d13 1228 #if defined(MBEDTLS_CIPHER_MODE_CBC)
markrad 0:cdf462088d13 1229 unsigned char prv[16];
markrad 0:cdf462088d13 1230 #endif
markrad 0:cdf462088d13 1231 #if defined(MBEDTLS_CIPHER_MODE_CTR) || defined(MBEDTLS_CIPHER_MODE_CFB)
markrad 0:cdf462088d13 1232 size_t offset;
markrad 0:cdf462088d13 1233 #endif
markrad 0:cdf462088d13 1234 #if defined(MBEDTLS_CIPHER_MODE_CTR)
markrad 0:cdf462088d13 1235 int len;
markrad 0:cdf462088d13 1236 unsigned char nonce_counter[16];
markrad 0:cdf462088d13 1237 unsigned char stream_block[16];
markrad 0:cdf462088d13 1238 #endif
markrad 0:cdf462088d13 1239 mbedtls_aes_context ctx;
markrad 0:cdf462088d13 1240
markrad 0:cdf462088d13 1241 memset( key, 0, 32 );
markrad 0:cdf462088d13 1242 mbedtls_aes_init( &ctx );
markrad 0:cdf462088d13 1243
markrad 0:cdf462088d13 1244 /*
markrad 0:cdf462088d13 1245 * ECB mode
markrad 0:cdf462088d13 1246 */
markrad 0:cdf462088d13 1247 for( i = 0; i < 6; i++ )
markrad 0:cdf462088d13 1248 {
markrad 0:cdf462088d13 1249 u = i >> 1;
markrad 0:cdf462088d13 1250 v = i & 1;
markrad 0:cdf462088d13 1251
markrad 0:cdf462088d13 1252 if( verbose != 0 )
markrad 0:cdf462088d13 1253 mbedtls_printf( " AES-ECB-%3d (%s): ", 128 + u * 64,
markrad 0:cdf462088d13 1254 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
markrad 0:cdf462088d13 1255
markrad 0:cdf462088d13 1256 memset( buf, 0, 16 );
markrad 0:cdf462088d13 1257
markrad 0:cdf462088d13 1258 if( v == MBEDTLS_AES_DECRYPT )
markrad 0:cdf462088d13 1259 {
markrad 0:cdf462088d13 1260 mbedtls_aes_setkey_dec( &ctx, key, 128 + u * 64 );
markrad 0:cdf462088d13 1261
markrad 0:cdf462088d13 1262 for( j = 0; j < 10000; j++ )
markrad 0:cdf462088d13 1263 mbedtls_aes_crypt_ecb( &ctx, v, buf, buf );
markrad 0:cdf462088d13 1264
markrad 0:cdf462088d13 1265 if( memcmp( buf, aes_test_ecb_dec[u], 16 ) != 0 )
markrad 0:cdf462088d13 1266 {
markrad 0:cdf462088d13 1267 if( verbose != 0 )
markrad 0:cdf462088d13 1268 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 1269
markrad 0:cdf462088d13 1270 ret = 1;
markrad 0:cdf462088d13 1271 goto exit;
markrad 0:cdf462088d13 1272 }
markrad 0:cdf462088d13 1273 }
markrad 0:cdf462088d13 1274 else
markrad 0:cdf462088d13 1275 {
markrad 0:cdf462088d13 1276 mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
markrad 0:cdf462088d13 1277
markrad 0:cdf462088d13 1278 for( j = 0; j < 10000; j++ )
markrad 0:cdf462088d13 1279 mbedtls_aes_crypt_ecb( &ctx, v, buf, buf );
markrad 0:cdf462088d13 1280
markrad 0:cdf462088d13 1281 if( memcmp( buf, aes_test_ecb_enc[u], 16 ) != 0 )
markrad 0:cdf462088d13 1282 {
markrad 0:cdf462088d13 1283 if( verbose != 0 )
markrad 0:cdf462088d13 1284 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 1285
markrad 0:cdf462088d13 1286 ret = 1;
markrad 0:cdf462088d13 1287 goto exit;
markrad 0:cdf462088d13 1288 }
markrad 0:cdf462088d13 1289 }
markrad 0:cdf462088d13 1290
markrad 0:cdf462088d13 1291 if( verbose != 0 )
markrad 0:cdf462088d13 1292 mbedtls_printf( "passed\n" );
markrad 0:cdf462088d13 1293 }
markrad 0:cdf462088d13 1294
markrad 0:cdf462088d13 1295 if( verbose != 0 )
markrad 0:cdf462088d13 1296 mbedtls_printf( "\n" );
markrad 0:cdf462088d13 1297
markrad 0:cdf462088d13 1298 #if defined(MBEDTLS_CIPHER_MODE_CBC)
markrad 0:cdf462088d13 1299 /*
markrad 0:cdf462088d13 1300 * CBC mode
markrad 0:cdf462088d13 1301 */
markrad 0:cdf462088d13 1302 for( i = 0; i < 6; i++ )
markrad 0:cdf462088d13 1303 {
markrad 0:cdf462088d13 1304 u = i >> 1;
markrad 0:cdf462088d13 1305 v = i & 1;
markrad 0:cdf462088d13 1306
markrad 0:cdf462088d13 1307 if( verbose != 0 )
markrad 0:cdf462088d13 1308 mbedtls_printf( " AES-CBC-%3d (%s): ", 128 + u * 64,
markrad 0:cdf462088d13 1309 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
markrad 0:cdf462088d13 1310
markrad 0:cdf462088d13 1311 memset( iv , 0, 16 );
markrad 0:cdf462088d13 1312 memset( prv, 0, 16 );
markrad 0:cdf462088d13 1313 memset( buf, 0, 16 );
markrad 0:cdf462088d13 1314
markrad 0:cdf462088d13 1315 if( v == MBEDTLS_AES_DECRYPT )
markrad 0:cdf462088d13 1316 {
markrad 0:cdf462088d13 1317 mbedtls_aes_setkey_dec( &ctx, key, 128 + u * 64 );
markrad 0:cdf462088d13 1318
markrad 0:cdf462088d13 1319 for( j = 0; j < 10000; j++ )
markrad 0:cdf462088d13 1320 mbedtls_aes_crypt_cbc( &ctx, v, 16, iv, buf, buf );
markrad 0:cdf462088d13 1321
markrad 0:cdf462088d13 1322 if( memcmp( buf, aes_test_cbc_dec[u], 16 ) != 0 )
markrad 0:cdf462088d13 1323 {
markrad 0:cdf462088d13 1324 if( verbose != 0 )
markrad 0:cdf462088d13 1325 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 1326
markrad 0:cdf462088d13 1327 ret = 1;
markrad 0:cdf462088d13 1328 goto exit;
markrad 0:cdf462088d13 1329 }
markrad 0:cdf462088d13 1330 }
markrad 0:cdf462088d13 1331 else
markrad 0:cdf462088d13 1332 {
markrad 0:cdf462088d13 1333 mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
markrad 0:cdf462088d13 1334
markrad 0:cdf462088d13 1335 for( j = 0; j < 10000; j++ )
markrad 0:cdf462088d13 1336 {
markrad 0:cdf462088d13 1337 unsigned char tmp[16];
markrad 0:cdf462088d13 1338
markrad 0:cdf462088d13 1339 mbedtls_aes_crypt_cbc( &ctx, v, 16, iv, buf, buf );
markrad 0:cdf462088d13 1340
markrad 0:cdf462088d13 1341 memcpy( tmp, prv, 16 );
markrad 0:cdf462088d13 1342 memcpy( prv, buf, 16 );
markrad 0:cdf462088d13 1343 memcpy( buf, tmp, 16 );
markrad 0:cdf462088d13 1344 }
markrad 0:cdf462088d13 1345
markrad 0:cdf462088d13 1346 if( memcmp( prv, aes_test_cbc_enc[u], 16 ) != 0 )
markrad 0:cdf462088d13 1347 {
markrad 0:cdf462088d13 1348 if( verbose != 0 )
markrad 0:cdf462088d13 1349 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 1350
markrad 0:cdf462088d13 1351 ret = 1;
markrad 0:cdf462088d13 1352 goto exit;
markrad 0:cdf462088d13 1353 }
markrad 0:cdf462088d13 1354 }
markrad 0:cdf462088d13 1355
markrad 0:cdf462088d13 1356 if( verbose != 0 )
markrad 0:cdf462088d13 1357 mbedtls_printf( "passed\n" );
markrad 0:cdf462088d13 1358 }
markrad 0:cdf462088d13 1359
markrad 0:cdf462088d13 1360 if( verbose != 0 )
markrad 0:cdf462088d13 1361 mbedtls_printf( "\n" );
markrad 0:cdf462088d13 1362 #endif /* MBEDTLS_CIPHER_MODE_CBC */
markrad 0:cdf462088d13 1363
markrad 0:cdf462088d13 1364 #if defined(MBEDTLS_CIPHER_MODE_CFB)
markrad 0:cdf462088d13 1365 /*
markrad 0:cdf462088d13 1366 * CFB128 mode
markrad 0:cdf462088d13 1367 */
markrad 0:cdf462088d13 1368 for( i = 0; i < 6; i++ )
markrad 0:cdf462088d13 1369 {
markrad 0:cdf462088d13 1370 u = i >> 1;
markrad 0:cdf462088d13 1371 v = i & 1;
markrad 0:cdf462088d13 1372
markrad 0:cdf462088d13 1373 if( verbose != 0 )
markrad 0:cdf462088d13 1374 mbedtls_printf( " AES-CFB128-%3d (%s): ", 128 + u * 64,
markrad 0:cdf462088d13 1375 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
markrad 0:cdf462088d13 1376
markrad 0:cdf462088d13 1377 memcpy( iv, aes_test_cfb128_iv, 16 );
markrad 0:cdf462088d13 1378 memcpy( key, aes_test_cfb128_key[u], 16 + u * 8 );
markrad 0:cdf462088d13 1379
markrad 0:cdf462088d13 1380 offset = 0;
markrad 0:cdf462088d13 1381 mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
markrad 0:cdf462088d13 1382
markrad 0:cdf462088d13 1383 if( v == MBEDTLS_AES_DECRYPT )
markrad 0:cdf462088d13 1384 {
markrad 0:cdf462088d13 1385 memcpy( buf, aes_test_cfb128_ct[u], 64 );
markrad 0:cdf462088d13 1386 mbedtls_aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
markrad 0:cdf462088d13 1387
markrad 0:cdf462088d13 1388 if( memcmp( buf, aes_test_cfb128_pt, 64 ) != 0 )
markrad 0:cdf462088d13 1389 {
markrad 0:cdf462088d13 1390 if( verbose != 0 )
markrad 0:cdf462088d13 1391 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 1392
markrad 0:cdf462088d13 1393 ret = 1;
markrad 0:cdf462088d13 1394 goto exit;
markrad 0:cdf462088d13 1395 }
markrad 0:cdf462088d13 1396 }
markrad 0:cdf462088d13 1397 else
markrad 0:cdf462088d13 1398 {
markrad 0:cdf462088d13 1399 memcpy( buf, aes_test_cfb128_pt, 64 );
markrad 0:cdf462088d13 1400 mbedtls_aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
markrad 0:cdf462088d13 1401
markrad 0:cdf462088d13 1402 if( memcmp( buf, aes_test_cfb128_ct[u], 64 ) != 0 )
markrad 0:cdf462088d13 1403 {
markrad 0:cdf462088d13 1404 if( verbose != 0 )
markrad 0:cdf462088d13 1405 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 1406
markrad 0:cdf462088d13 1407 ret = 1;
markrad 0:cdf462088d13 1408 goto exit;
markrad 0:cdf462088d13 1409 }
markrad 0:cdf462088d13 1410 }
markrad 0:cdf462088d13 1411
markrad 0:cdf462088d13 1412 if( verbose != 0 )
markrad 0:cdf462088d13 1413 mbedtls_printf( "passed\n" );
markrad 0:cdf462088d13 1414 }
markrad 0:cdf462088d13 1415
markrad 0:cdf462088d13 1416 if( verbose != 0 )
markrad 0:cdf462088d13 1417 mbedtls_printf( "\n" );
markrad 0:cdf462088d13 1418 #endif /* MBEDTLS_CIPHER_MODE_CFB */
markrad 0:cdf462088d13 1419
markrad 0:cdf462088d13 1420 #if defined(MBEDTLS_CIPHER_MODE_CTR)
markrad 0:cdf462088d13 1421 /*
markrad 0:cdf462088d13 1422 * CTR mode
markrad 0:cdf462088d13 1423 */
markrad 0:cdf462088d13 1424 for( i = 0; i < 6; i++ )
markrad 0:cdf462088d13 1425 {
markrad 0:cdf462088d13 1426 u = i >> 1;
markrad 0:cdf462088d13 1427 v = i & 1;
markrad 0:cdf462088d13 1428
markrad 0:cdf462088d13 1429 if( verbose != 0 )
markrad 0:cdf462088d13 1430 mbedtls_printf( " AES-CTR-128 (%s): ",
markrad 0:cdf462088d13 1431 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
markrad 0:cdf462088d13 1432
markrad 0:cdf462088d13 1433 memcpy( nonce_counter, aes_test_ctr_nonce_counter[u], 16 );
markrad 0:cdf462088d13 1434 memcpy( key, aes_test_ctr_key[u], 16 );
markrad 0:cdf462088d13 1435
markrad 0:cdf462088d13 1436 offset = 0;
markrad 0:cdf462088d13 1437 mbedtls_aes_setkey_enc( &ctx, key, 128 );
markrad 0:cdf462088d13 1438
markrad 0:cdf462088d13 1439 if( v == MBEDTLS_AES_DECRYPT )
markrad 0:cdf462088d13 1440 {
markrad 0:cdf462088d13 1441 len = aes_test_ctr_len[u];
markrad 0:cdf462088d13 1442 memcpy( buf, aes_test_ctr_ct[u], len );
markrad 0:cdf462088d13 1443
markrad 0:cdf462088d13 1444 mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
markrad 0:cdf462088d13 1445 buf, buf );
markrad 0:cdf462088d13 1446
markrad 0:cdf462088d13 1447 if( memcmp( buf, aes_test_ctr_pt[u], len ) != 0 )
markrad 0:cdf462088d13 1448 {
markrad 0:cdf462088d13 1449 if( verbose != 0 )
markrad 0:cdf462088d13 1450 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 1451
markrad 0:cdf462088d13 1452 ret = 1;
markrad 0:cdf462088d13 1453 goto exit;
markrad 0:cdf462088d13 1454 }
markrad 0:cdf462088d13 1455 }
markrad 0:cdf462088d13 1456 else
markrad 0:cdf462088d13 1457 {
markrad 0:cdf462088d13 1458 len = aes_test_ctr_len[u];
markrad 0:cdf462088d13 1459 memcpy( buf, aes_test_ctr_pt[u], len );
markrad 0:cdf462088d13 1460
markrad 0:cdf462088d13 1461 mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
markrad 0:cdf462088d13 1462 buf, buf );
markrad 0:cdf462088d13 1463
markrad 0:cdf462088d13 1464 if( memcmp( buf, aes_test_ctr_ct[u], len ) != 0 )
markrad 0:cdf462088d13 1465 {
markrad 0:cdf462088d13 1466 if( verbose != 0 )
markrad 0:cdf462088d13 1467 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 1468
markrad 0:cdf462088d13 1469 ret = 1;
markrad 0:cdf462088d13 1470 goto exit;
markrad 0:cdf462088d13 1471 }
markrad 0:cdf462088d13 1472 }
markrad 0:cdf462088d13 1473
markrad 0:cdf462088d13 1474 if( verbose != 0 )
markrad 0:cdf462088d13 1475 mbedtls_printf( "passed\n" );
markrad 0:cdf462088d13 1476 }
markrad 0:cdf462088d13 1477
markrad 0:cdf462088d13 1478 if( verbose != 0 )
markrad 0:cdf462088d13 1479 mbedtls_printf( "\n" );
markrad 0:cdf462088d13 1480 #endif /* MBEDTLS_CIPHER_MODE_CTR */
markrad 0:cdf462088d13 1481
markrad 0:cdf462088d13 1482 ret = 0;
markrad 0:cdf462088d13 1483
markrad 0:cdf462088d13 1484 exit:
markrad 0:cdf462088d13 1485 mbedtls_aes_free( &ctx );
markrad 0:cdf462088d13 1486
markrad 0:cdf462088d13 1487 return( ret );
markrad 0:cdf462088d13 1488 }
markrad 0:cdf462088d13 1489
markrad 0:cdf462088d13 1490 #endif /* MBEDTLS_SELF_TEST */
markrad 0:cdf462088d13 1491
markrad 0:cdf462088d13 1492 #endif /* MBEDTLS_AES_C */