Austin Blackstone / Mbed 2 deprecated mbed-client-classic-example-lwip

mbed client on ethernet with LWIP

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of mbed-client-classic-example-lwip by sandbox

mbedtls/source/aes.c@11:cada08fc8a70, 2016-06-09 (annotated)

Committer:
mbedAustin
Date:
Thu Jun 09 17:08:36 2016 +0000
Revision:
11:cada08fc8a70
Commit for public Consumption

Who changed what in which revision?

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mbedAustin 11:cada08fc8a70 1 /*
mbedAustin 11:cada08fc8a70 2 * FIPS-197 compliant AES implementation
mbedAustin 11:cada08fc8a70 3 *
mbedAustin 11:cada08fc8a70 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
mbedAustin 11:cada08fc8a70 5 * SPDX-License-Identifier: Apache-2.0
mbedAustin 11:cada08fc8a70 6 *
mbedAustin 11:cada08fc8a70 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
mbedAustin 11:cada08fc8a70 8 * not use this file except in compliance with the License.
mbedAustin 11:cada08fc8a70 9 * You may obtain a copy of the License at
mbedAustin 11:cada08fc8a70 10 *
mbedAustin 11:cada08fc8a70 11 * http://www.apache.org/licenses/LICENSE-2.0
mbedAustin 11:cada08fc8a70 12 *
mbedAustin 11:cada08fc8a70 13 * Unless required by applicable law or agreed to in writing, software
mbedAustin 11:cada08fc8a70 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
mbedAustin 11:cada08fc8a70 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbedAustin 11:cada08fc8a70 16 * See the License for the specific language governing permissions and
mbedAustin 11:cada08fc8a70 17 * limitations under the License.
mbedAustin 11:cada08fc8a70 18 *
mbedAustin 11:cada08fc8a70 19 * This file is part of mbed TLS (https://tls.mbed.org)
mbedAustin 11:cada08fc8a70 20 */
mbedAustin 11:cada08fc8a70 21 /*
mbedAustin 11:cada08fc8a70 22 * The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
mbedAustin 11:cada08fc8a70 23 *
mbedAustin 11:cada08fc8a70 24 * http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
mbedAustin 11:cada08fc8a70 25 * http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
mbedAustin 11:cada08fc8a70 26 */
mbedAustin 11:cada08fc8a70 27
mbedAustin 11:cada08fc8a70 28 #if !defined(MBEDTLS_CONFIG_FILE)
mbedAustin 11:cada08fc8a70 29 #include "mbedtls/config.h"
mbedAustin 11:cada08fc8a70 30 #else
mbedAustin 11:cada08fc8a70 31 #include MBEDTLS_CONFIG_FILE
mbedAustin 11:cada08fc8a70 32 #endif
mbedAustin 11:cada08fc8a70 33
mbedAustin 11:cada08fc8a70 34 #if defined(MBEDTLS_AES_C)
mbedAustin 11:cada08fc8a70 35
mbedAustin 11:cada08fc8a70 36 #include <string.h>
mbedAustin 11:cada08fc8a70 37
mbedAustin 11:cada08fc8a70 38 #include "mbedtls/aes.h"
mbedAustin 11:cada08fc8a70 39 #if defined(MBEDTLS_PADLOCK_C)
mbedAustin 11:cada08fc8a70 40 #include "mbedtls/padlock.h"
mbedAustin 11:cada08fc8a70 41 #endif
mbedAustin 11:cada08fc8a70 42 #if defined(MBEDTLS_AESNI_C)
mbedAustin 11:cada08fc8a70 43 #include "mbedtls/aesni.h"
mbedAustin 11:cada08fc8a70 44 #endif
mbedAustin 11:cada08fc8a70 45
mbedAustin 11:cada08fc8a70 46 #if defined(MBEDTLS_SELF_TEST)
mbedAustin 11:cada08fc8a70 47 #if defined(MBEDTLS_PLATFORM_C)
mbedAustin 11:cada08fc8a70 48 #include "mbedtls/platform.h"
mbedAustin 11:cada08fc8a70 49 #else
mbedAustin 11:cada08fc8a70 50 #include <stdio.h>
mbedAustin 11:cada08fc8a70 51 #define mbedtls_printf printf
mbedAustin 11:cada08fc8a70 52 #endif /* MBEDTLS_PLATFORM_C */
mbedAustin 11:cada08fc8a70 53 #endif /* MBEDTLS_SELF_TEST */
mbedAustin 11:cada08fc8a70 54
mbedAustin 11:cada08fc8a70 55 #if !defined(MBEDTLS_AES_ALT)
mbedAustin 11:cada08fc8a70 56
mbedAustin 11:cada08fc8a70 57 /* Implementation that should never be optimized out by the compiler */
mbedAustin 11:cada08fc8a70 58 static void mbedtls_zeroize( void *v, size_t n ) {
mbedAustin 11:cada08fc8a70 59 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
mbedAustin 11:cada08fc8a70 60 }
mbedAustin 11:cada08fc8a70 61
mbedAustin 11:cada08fc8a70 62 /*
mbedAustin 11:cada08fc8a70 63 * 32-bit integer manipulation macros (little endian)
mbedAustin 11:cada08fc8a70 64 */
mbedAustin 11:cada08fc8a70 65 #ifndef GET_UINT32_LE
mbedAustin 11:cada08fc8a70 66 #define GET_UINT32_LE(n,b,i) \
mbedAustin 11:cada08fc8a70 67 { \
mbedAustin 11:cada08fc8a70 68 (n) = ( (uint32_t) (b)[(i) ] ) \
mbedAustin 11:cada08fc8a70 69 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
mbedAustin 11:cada08fc8a70 70 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
mbedAustin 11:cada08fc8a70 71 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
mbedAustin 11:cada08fc8a70 72 }
mbedAustin 11:cada08fc8a70 73 #endif
mbedAustin 11:cada08fc8a70 74
mbedAustin 11:cada08fc8a70 75 #ifndef PUT_UINT32_LE
mbedAustin 11:cada08fc8a70 76 #define PUT_UINT32_LE(n,b,i) \
mbedAustin 11:cada08fc8a70 77 { \
mbedAustin 11:cada08fc8a70 78 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 79 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 80 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 81 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 82 }
mbedAustin 11:cada08fc8a70 83 #endif
mbedAustin 11:cada08fc8a70 84
mbedAustin 11:cada08fc8a70 85 #if defined(MBEDTLS_PADLOCK_C) && \
mbedAustin 11:cada08fc8a70 86 ( defined(MBEDTLS_HAVE_X86) || defined(MBEDTLS_PADLOCK_ALIGN16) )
mbedAustin 11:cada08fc8a70 87 static int aes_padlock_ace = -1;
mbedAustin 11:cada08fc8a70 88 #endif
mbedAustin 11:cada08fc8a70 89
mbedAustin 11:cada08fc8a70 90 #if defined(MBEDTLS_AES_ROM_TABLES)
mbedAustin 11:cada08fc8a70 91 /*
mbedAustin 11:cada08fc8a70 92 * Forward S-box
mbedAustin 11:cada08fc8a70 93 */
mbedAustin 11:cada08fc8a70 94 static const unsigned char FSb[256] =
mbedAustin 11:cada08fc8a70 95 {
mbedAustin 11:cada08fc8a70 96 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
mbedAustin 11:cada08fc8a70 97 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
mbedAustin 11:cada08fc8a70 98 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
mbedAustin 11:cada08fc8a70 99 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
mbedAustin 11:cada08fc8a70 100 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
mbedAustin 11:cada08fc8a70 101 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
mbedAustin 11:cada08fc8a70 102 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
mbedAustin 11:cada08fc8a70 103 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
mbedAustin 11:cada08fc8a70 104 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
mbedAustin 11:cada08fc8a70 105 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
mbedAustin 11:cada08fc8a70 106 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
mbedAustin 11:cada08fc8a70 107 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
mbedAustin 11:cada08fc8a70 108 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
mbedAustin 11:cada08fc8a70 109 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
mbedAustin 11:cada08fc8a70 110 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
mbedAustin 11:cada08fc8a70 111 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
mbedAustin 11:cada08fc8a70 112 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
mbedAustin 11:cada08fc8a70 113 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
mbedAustin 11:cada08fc8a70 114 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
mbedAustin 11:cada08fc8a70 115 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
mbedAustin 11:cada08fc8a70 116 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
mbedAustin 11:cada08fc8a70 117 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
mbedAustin 11:cada08fc8a70 118 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
mbedAustin 11:cada08fc8a70 119 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
mbedAustin 11:cada08fc8a70 120 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
mbedAustin 11:cada08fc8a70 121 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
mbedAustin 11:cada08fc8a70 122 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
mbedAustin 11:cada08fc8a70 123 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
mbedAustin 11:cada08fc8a70 124 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
mbedAustin 11:cada08fc8a70 125 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
mbedAustin 11:cada08fc8a70 126 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
mbedAustin 11:cada08fc8a70 127 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
mbedAustin 11:cada08fc8a70 128 };
mbedAustin 11:cada08fc8a70 129
mbedAustin 11:cada08fc8a70 130 /*
mbedAustin 11:cada08fc8a70 131 * Forward tables
mbedAustin 11:cada08fc8a70 132 */
mbedAustin 11:cada08fc8a70 133 #define FT \
mbedAustin 11:cada08fc8a70 134 \
mbedAustin 11:cada08fc8a70 135 V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \
mbedAustin 11:cada08fc8a70 136 V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \
mbedAustin 11:cada08fc8a70 137 V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \
mbedAustin 11:cada08fc8a70 138 V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \
mbedAustin 11:cada08fc8a70 139 V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \
mbedAustin 11:cada08fc8a70 140 V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \
mbedAustin 11:cada08fc8a70 141 V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \
mbedAustin 11:cada08fc8a70 142 V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \
mbedAustin 11:cada08fc8a70 143 V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \
mbedAustin 11:cada08fc8a70 144 V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \
mbedAustin 11:cada08fc8a70 145 V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \
mbedAustin 11:cada08fc8a70 146 V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \
mbedAustin 11:cada08fc8a70 147 V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \
mbedAustin 11:cada08fc8a70 148 V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \
mbedAustin 11:cada08fc8a70 149 V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \
mbedAustin 11:cada08fc8a70 150 V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \
mbedAustin 11:cada08fc8a70 151 V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \
mbedAustin 11:cada08fc8a70 152 V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \
mbedAustin 11:cada08fc8a70 153 V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \
mbedAustin 11:cada08fc8a70 154 V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \
mbedAustin 11:cada08fc8a70 155 V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \
mbedAustin 11:cada08fc8a70 156 V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \
mbedAustin 11:cada08fc8a70 157 V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \
mbedAustin 11:cada08fc8a70 158 V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \
mbedAustin 11:cada08fc8a70 159 V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \
mbedAustin 11:cada08fc8a70 160 V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \
mbedAustin 11:cada08fc8a70 161 V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \
mbedAustin 11:cada08fc8a70 162 V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \
mbedAustin 11:cada08fc8a70 163 V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \
mbedAustin 11:cada08fc8a70 164 V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \
mbedAustin 11:cada08fc8a70 165 V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \
mbedAustin 11:cada08fc8a70 166 V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \
mbedAustin 11:cada08fc8a70 167 V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \
mbedAustin 11:cada08fc8a70 168 V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \
mbedAustin 11:cada08fc8a70 169 V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \
mbedAustin 11:cada08fc8a70 170 V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \
mbedAustin 11:cada08fc8a70 171 V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \
mbedAustin 11:cada08fc8a70 172 V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \
mbedAustin 11:cada08fc8a70 173 V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \
mbedAustin 11:cada08fc8a70 174 V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \
mbedAustin 11:cada08fc8a70 175 V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \
mbedAustin 11:cada08fc8a70 176 V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \
mbedAustin 11:cada08fc8a70 177 V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \
mbedAustin 11:cada08fc8a70 178 V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \
mbedAustin 11:cada08fc8a70 179 V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \
mbedAustin 11:cada08fc8a70 180 V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \
mbedAustin 11:cada08fc8a70 181 V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \
mbedAustin 11:cada08fc8a70 182 V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \
mbedAustin 11:cada08fc8a70 183 V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \
mbedAustin 11:cada08fc8a70 184 V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \
mbedAustin 11:cada08fc8a70 185 V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \
mbedAustin 11:cada08fc8a70 186 V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \
mbedAustin 11:cada08fc8a70 187 V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \
mbedAustin 11:cada08fc8a70 188 V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \
mbedAustin 11:cada08fc8a70 189 V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \
mbedAustin 11:cada08fc8a70 190 V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \
mbedAustin 11:cada08fc8a70 191 V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \
mbedAustin 11:cada08fc8a70 192 V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \
mbedAustin 11:cada08fc8a70 193 V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \
mbedAustin 11:cada08fc8a70 194 V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \
mbedAustin 11:cada08fc8a70 195 V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \
mbedAustin 11:cada08fc8a70 196 V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \
mbedAustin 11:cada08fc8a70 197 V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \
mbedAustin 11:cada08fc8a70 198 V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C)
mbedAustin 11:cada08fc8a70 199
mbedAustin 11:cada08fc8a70 200 #define V(a,b,c,d) 0x##a##b##c##d
mbedAustin 11:cada08fc8a70 201 static const uint32_t FT0[256] = { FT };
mbedAustin 11:cada08fc8a70 202 #undef V
mbedAustin 11:cada08fc8a70 203
mbedAustin 11:cada08fc8a70 204 #define V(a,b,c,d) 0x##b##c##d##a
mbedAustin 11:cada08fc8a70 205 static const uint32_t FT1[256] = { FT };
mbedAustin 11:cada08fc8a70 206 #undef V
mbedAustin 11:cada08fc8a70 207
mbedAustin 11:cada08fc8a70 208 #define V(a,b,c,d) 0x##c##d##a##b
mbedAustin 11:cada08fc8a70 209 static const uint32_t FT2[256] = { FT };
mbedAustin 11:cada08fc8a70 210 #undef V
mbedAustin 11:cada08fc8a70 211
mbedAustin 11:cada08fc8a70 212 #define V(a,b,c,d) 0x##d##a##b##c
mbedAustin 11:cada08fc8a70 213 static const uint32_t FT3[256] = { FT };
mbedAustin 11:cada08fc8a70 214 #undef V
mbedAustin 11:cada08fc8a70 215
mbedAustin 11:cada08fc8a70 216 #undef FT
mbedAustin 11:cada08fc8a70 217
mbedAustin 11:cada08fc8a70 218 /*
mbedAustin 11:cada08fc8a70 219 * Reverse S-box
mbedAustin 11:cada08fc8a70 220 */
mbedAustin 11:cada08fc8a70 221 static const unsigned char RSb[256] =
mbedAustin 11:cada08fc8a70 222 {
mbedAustin 11:cada08fc8a70 223 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
mbedAustin 11:cada08fc8a70 224 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
mbedAustin 11:cada08fc8a70 225 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
mbedAustin 11:cada08fc8a70 226 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
mbedAustin 11:cada08fc8a70 227 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
mbedAustin 11:cada08fc8a70 228 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
mbedAustin 11:cada08fc8a70 229 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
mbedAustin 11:cada08fc8a70 230 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
mbedAustin 11:cada08fc8a70 231 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
mbedAustin 11:cada08fc8a70 232 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
mbedAustin 11:cada08fc8a70 233 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
mbedAustin 11:cada08fc8a70 234 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
mbedAustin 11:cada08fc8a70 235 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
mbedAustin 11:cada08fc8a70 236 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
mbedAustin 11:cada08fc8a70 237 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
mbedAustin 11:cada08fc8a70 238 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
mbedAustin 11:cada08fc8a70 239 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
mbedAustin 11:cada08fc8a70 240 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
mbedAustin 11:cada08fc8a70 241 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
mbedAustin 11:cada08fc8a70 242 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
mbedAustin 11:cada08fc8a70 243 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
mbedAustin 11:cada08fc8a70 244 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
mbedAustin 11:cada08fc8a70 245 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
mbedAustin 11:cada08fc8a70 246 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
mbedAustin 11:cada08fc8a70 247 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
mbedAustin 11:cada08fc8a70 248 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
mbedAustin 11:cada08fc8a70 249 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
mbedAustin 11:cada08fc8a70 250 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
mbedAustin 11:cada08fc8a70 251 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
mbedAustin 11:cada08fc8a70 252 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
mbedAustin 11:cada08fc8a70 253 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
mbedAustin 11:cada08fc8a70 254 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
mbedAustin 11:cada08fc8a70 255 };
mbedAustin 11:cada08fc8a70 256
mbedAustin 11:cada08fc8a70 257 /*
mbedAustin 11:cada08fc8a70 258 * Reverse tables
mbedAustin 11:cada08fc8a70 259 */
mbedAustin 11:cada08fc8a70 260 #define RT \
mbedAustin 11:cada08fc8a70 261 \
mbedAustin 11:cada08fc8a70 262 V(50,A7,F4,51), V(53,65,41,7E), V(C3,A4,17,1A), V(96,5E,27,3A), \
mbedAustin 11:cada08fc8a70 263 V(CB,6B,AB,3B), V(F1,45,9D,1F), V(AB,58,FA,AC), V(93,03,E3,4B), \
mbedAustin 11:cada08fc8a70 264 V(55,FA,30,20), V(F6,6D,76,AD), V(91,76,CC,88), V(25,4C,02,F5), \
mbedAustin 11:cada08fc8a70 265 V(FC,D7,E5,4F), V(D7,CB,2A,C5), V(80,44,35,26), V(8F,A3,62,B5), \
mbedAustin 11:cada08fc8a70 266 V(49,5A,B1,DE), V(67,1B,BA,25), V(98,0E,EA,45), V(E1,C0,FE,5D), \
mbedAustin 11:cada08fc8a70 267 V(02,75,2F,C3), V(12,F0,4C,81), V(A3,97,46,8D), V(C6,F9,D3,6B), \
mbedAustin 11:cada08fc8a70 268 V(E7,5F,8F,03), V(95,9C,92,15), V(EB,7A,6D,BF), V(DA,59,52,95), \
mbedAustin 11:cada08fc8a70 269 V(2D,83,BE,D4), V(D3,21,74,58), V(29,69,E0,49), V(44,C8,C9,8E), \
mbedAustin 11:cada08fc8a70 270 V(6A,89,C2,75), V(78,79,8E,F4), V(6B,3E,58,99), V(DD,71,B9,27), \
mbedAustin 11:cada08fc8a70 271 V(B6,4F,E1,BE), V(17,AD,88,F0), V(66,AC,20,C9), V(B4,3A,CE,7D), \
mbedAustin 11:cada08fc8a70 272 V(18,4A,DF,63), V(82,31,1A,E5), V(60,33,51,97), V(45,7F,53,62), \
mbedAustin 11:cada08fc8a70 273 V(E0,77,64,B1), V(84,AE,6B,BB), V(1C,A0,81,FE), V(94,2B,08,F9), \
mbedAustin 11:cada08fc8a70 274 V(58,68,48,70), V(19,FD,45,8F), V(87,6C,DE,94), V(B7,F8,7B,52), \
mbedAustin 11:cada08fc8a70 275 V(23,D3,73,AB), V(E2,02,4B,72), V(57,8F,1F,E3), V(2A,AB,55,66), \
mbedAustin 11:cada08fc8a70 276 V(07,28,EB,B2), V(03,C2,B5,2F), V(9A,7B,C5,86), V(A5,08,37,D3), \
mbedAustin 11:cada08fc8a70 277 V(F2,87,28,30), V(B2,A5,BF,23), V(BA,6A,03,02), V(5C,82,16,ED), \
mbedAustin 11:cada08fc8a70 278 V(2B,1C,CF,8A), V(92,B4,79,A7), V(F0,F2,07,F3), V(A1,E2,69,4E), \
mbedAustin 11:cada08fc8a70 279 V(CD,F4,DA,65), V(D5,BE,05,06), V(1F,62,34,D1), V(8A,FE,A6,C4), \
mbedAustin 11:cada08fc8a70 280 V(9D,53,2E,34), V(A0,55,F3,A2), V(32,E1,8A,05), V(75,EB,F6,A4), \
mbedAustin 11:cada08fc8a70 281 V(39,EC,83,0B), V(AA,EF,60,40), V(06,9F,71,5E), V(51,10,6E,BD), \
mbedAustin 11:cada08fc8a70 282 V(F9,8A,21,3E), V(3D,06,DD,96), V(AE,05,3E,DD), V(46,BD,E6,4D), \
mbedAustin 11:cada08fc8a70 283 V(B5,8D,54,91), V(05,5D,C4,71), V(6F,D4,06,04), V(FF,15,50,60), \
mbedAustin 11:cada08fc8a70 284 V(24,FB,98,19), V(97,E9,BD,D6), V(CC,43,40,89), V(77,9E,D9,67), \
mbedAustin 11:cada08fc8a70 285 V(BD,42,E8,B0), V(88,8B,89,07), V(38,5B,19,E7), V(DB,EE,C8,79), \
mbedAustin 11:cada08fc8a70 286 V(47,0A,7C,A1), V(E9,0F,42,7C), V(C9,1E,84,F8), V(00,00,00,00), \
mbedAustin 11:cada08fc8a70 287 V(83,86,80,09), V(48,ED,2B,32), V(AC,70,11,1E), V(4E,72,5A,6C), \
mbedAustin 11:cada08fc8a70 288 V(FB,FF,0E,FD), V(56,38,85,0F), V(1E,D5,AE,3D), V(27,39,2D,36), \
mbedAustin 11:cada08fc8a70 289 V(64,D9,0F,0A), V(21,A6,5C,68), V(D1,54,5B,9B), V(3A,2E,36,24), \
mbedAustin 11:cada08fc8a70 290 V(B1,67,0A,0C), V(0F,E7,57,93), V(D2,96,EE,B4), V(9E,91,9B,1B), \
mbedAustin 11:cada08fc8a70 291 V(4F,C5,C0,80), V(A2,20,DC,61), V(69,4B,77,5A), V(16,1A,12,1C), \
mbedAustin 11:cada08fc8a70 292 V(0A,BA,93,E2), V(E5,2A,A0,C0), V(43,E0,22,3C), V(1D,17,1B,12), \
mbedAustin 11:cada08fc8a70 293 V(0B,0D,09,0E), V(AD,C7,8B,F2), V(B9,A8,B6,2D), V(C8,A9,1E,14), \
mbedAustin 11:cada08fc8a70 294 V(85,19,F1,57), V(4C,07,75,AF), V(BB,DD,99,EE), V(FD,60,7F,A3), \
mbedAustin 11:cada08fc8a70 295 V(9F,26,01,F7), V(BC,F5,72,5C), V(C5,3B,66,44), V(34,7E,FB,5B), \
mbedAustin 11:cada08fc8a70 296 V(76,29,43,8B), V(DC,C6,23,CB), V(68,FC,ED,B6), V(63,F1,E4,B8), \
mbedAustin 11:cada08fc8a70 297 V(CA,DC,31,D7), V(10,85,63,42), V(40,22,97,13), V(20,11,C6,84), \
mbedAustin 11:cada08fc8a70 298 V(7D,24,4A,85), V(F8,3D,BB,D2), V(11,32,F9,AE), V(6D,A1,29,C7), \
mbedAustin 11:cada08fc8a70 299 V(4B,2F,9E,1D), V(F3,30,B2,DC), V(EC,52,86,0D), V(D0,E3,C1,77), \
mbedAustin 11:cada08fc8a70 300 V(6C,16,B3,2B), V(99,B9,70,A9), V(FA,48,94,11), V(22,64,E9,47), \
mbedAustin 11:cada08fc8a70 301 V(C4,8C,FC,A8), V(1A,3F,F0,A0), V(D8,2C,7D,56), V(EF,90,33,22), \
mbedAustin 11:cada08fc8a70 302 V(C7,4E,49,87), V(C1,D1,38,D9), V(FE,A2,CA,8C), V(36,0B,D4,98), \
mbedAustin 11:cada08fc8a70 303 V(CF,81,F5,A6), V(28,DE,7A,A5), V(26,8E,B7,DA), V(A4,BF,AD,3F), \
mbedAustin 11:cada08fc8a70 304 V(E4,9D,3A,2C), V(0D,92,78,50), V(9B,CC,5F,6A), V(62,46,7E,54), \
mbedAustin 11:cada08fc8a70 305 V(C2,13,8D,F6), V(E8,B8,D8,90), V(5E,F7,39,2E), V(F5,AF,C3,82), \
mbedAustin 11:cada08fc8a70 306 V(BE,80,5D,9F), V(7C,93,D0,69), V(A9,2D,D5,6F), V(B3,12,25,CF), \
mbedAustin 11:cada08fc8a70 307 V(3B,99,AC,C8), V(A7,7D,18,10), V(6E,63,9C,E8), V(7B,BB,3B,DB), \
mbedAustin 11:cada08fc8a70 308 V(09,78,26,CD), V(F4,18,59,6E), V(01,B7,9A,EC), V(A8,9A,4F,83), \
mbedAustin 11:cada08fc8a70 309 V(65,6E,95,E6), V(7E,E6,FF,AA), V(08,CF,BC,21), V(E6,E8,15,EF), \
mbedAustin 11:cada08fc8a70 310 V(D9,9B,E7,BA), V(CE,36,6F,4A), V(D4,09,9F,EA), V(D6,7C,B0,29), \
mbedAustin 11:cada08fc8a70 311 V(AF,B2,A4,31), V(31,23,3F,2A), V(30,94,A5,C6), V(C0,66,A2,35), \
mbedAustin 11:cada08fc8a70 312 V(37,BC,4E,74), V(A6,CA,82,FC), V(B0,D0,90,E0), V(15,D8,A7,33), \
mbedAustin 11:cada08fc8a70 313 V(4A,98,04,F1), V(F7,DA,EC,41), V(0E,50,CD,7F), V(2F,F6,91,17), \
mbedAustin 11:cada08fc8a70 314 V(8D,D6,4D,76), V(4D,B0,EF,43), V(54,4D,AA,CC), V(DF,04,96,E4), \
mbedAustin 11:cada08fc8a70 315 V(E3,B5,D1,9E), V(1B,88,6A,4C), V(B8,1F,2C,C1), V(7F,51,65,46), \
mbedAustin 11:cada08fc8a70 316 V(04,EA,5E,9D), V(5D,35,8C,01), V(73,74,87,FA), V(2E,41,0B,FB), \
mbedAustin 11:cada08fc8a70 317 V(5A,1D,67,B3), V(52,D2,DB,92), V(33,56,10,E9), V(13,47,D6,6D), \
mbedAustin 11:cada08fc8a70 318 V(8C,61,D7,9A), V(7A,0C,A1,37), V(8E,14,F8,59), V(89,3C,13,EB), \
mbedAustin 11:cada08fc8a70 319 V(EE,27,A9,CE), V(35,C9,61,B7), V(ED,E5,1C,E1), V(3C,B1,47,7A), \
mbedAustin 11:cada08fc8a70 320 V(59,DF,D2,9C), V(3F,73,F2,55), V(79,CE,14,18), V(BF,37,C7,73), \
mbedAustin 11:cada08fc8a70 321 V(EA,CD,F7,53), V(5B,AA,FD,5F), V(14,6F,3D,DF), V(86,DB,44,78), \
mbedAustin 11:cada08fc8a70 322 V(81,F3,AF,CA), V(3E,C4,68,B9), V(2C,34,24,38), V(5F,40,A3,C2), \
mbedAustin 11:cada08fc8a70 323 V(72,C3,1D,16), V(0C,25,E2,BC), V(8B,49,3C,28), V(41,95,0D,FF), \
mbedAustin 11:cada08fc8a70 324 V(71,01,A8,39), V(DE,B3,0C,08), V(9C,E4,B4,D8), V(90,C1,56,64), \
mbedAustin 11:cada08fc8a70 325 V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0)
mbedAustin 11:cada08fc8a70 326
mbedAustin 11:cada08fc8a70 327 #define V(a,b,c,d) 0x##a##b##c##d
mbedAustin 11:cada08fc8a70 328 static const uint32_t RT0[256] = { RT };
mbedAustin 11:cada08fc8a70 329 #undef V
mbedAustin 11:cada08fc8a70 330
mbedAustin 11:cada08fc8a70 331 #define V(a,b,c,d) 0x##b##c##d##a
mbedAustin 11:cada08fc8a70 332 static const uint32_t RT1[256] = { RT };
mbedAustin 11:cada08fc8a70 333 #undef V
mbedAustin 11:cada08fc8a70 334
mbedAustin 11:cada08fc8a70 335 #define V(a,b,c,d) 0x##c##d##a##b
mbedAustin 11:cada08fc8a70 336 static const uint32_t RT2[256] = { RT };
mbedAustin 11:cada08fc8a70 337 #undef V
mbedAustin 11:cada08fc8a70 338
mbedAustin 11:cada08fc8a70 339 #define V(a,b,c,d) 0x##d##a##b##c
mbedAustin 11:cada08fc8a70 340 static const uint32_t RT3[256] = { RT };
mbedAustin 11:cada08fc8a70 341 #undef V
mbedAustin 11:cada08fc8a70 342
mbedAustin 11:cada08fc8a70 343 #undef RT
mbedAustin 11:cada08fc8a70 344
mbedAustin 11:cada08fc8a70 345 /*
mbedAustin 11:cada08fc8a70 346 * Round constants
mbedAustin 11:cada08fc8a70 347 */
mbedAustin 11:cada08fc8a70 348 static const uint32_t RCON[10] =
mbedAustin 11:cada08fc8a70 349 {
mbedAustin 11:cada08fc8a70 350 0x00000001, 0x00000002, 0x00000004, 0x00000008,
mbedAustin 11:cada08fc8a70 351 0x00000010, 0x00000020, 0x00000040, 0x00000080,
mbedAustin 11:cada08fc8a70 352 0x0000001B, 0x00000036
mbedAustin 11:cada08fc8a70 353 };
mbedAustin 11:cada08fc8a70 354
mbedAustin 11:cada08fc8a70 355 #else /* MBEDTLS_AES_ROM_TABLES */
mbedAustin 11:cada08fc8a70 356
mbedAustin 11:cada08fc8a70 357 /*
mbedAustin 11:cada08fc8a70 358 * Forward S-box & tables
mbedAustin 11:cada08fc8a70 359 */
mbedAustin 11:cada08fc8a70 360 static unsigned char FSb[256];
mbedAustin 11:cada08fc8a70 361 static uint32_t FT0[256];
mbedAustin 11:cada08fc8a70 362 static uint32_t FT1[256];
mbedAustin 11:cada08fc8a70 363 static uint32_t FT2[256];
mbedAustin 11:cada08fc8a70 364 static uint32_t FT3[256];
mbedAustin 11:cada08fc8a70 365
mbedAustin 11:cada08fc8a70 366 /*
mbedAustin 11:cada08fc8a70 367 * Reverse S-box & tables
mbedAustin 11:cada08fc8a70 368 */
mbedAustin 11:cada08fc8a70 369 static unsigned char RSb[256];
mbedAustin 11:cada08fc8a70 370 static uint32_t RT0[256];
mbedAustin 11:cada08fc8a70 371 static uint32_t RT1[256];
mbedAustin 11:cada08fc8a70 372 static uint32_t RT2[256];
mbedAustin 11:cada08fc8a70 373 static uint32_t RT3[256];
mbedAustin 11:cada08fc8a70 374
mbedAustin 11:cada08fc8a70 375 /*
mbedAustin 11:cada08fc8a70 376 * Round constants
mbedAustin 11:cada08fc8a70 377 */
mbedAustin 11:cada08fc8a70 378 static uint32_t RCON[10];
mbedAustin 11:cada08fc8a70 379
mbedAustin 11:cada08fc8a70 380 /*
mbedAustin 11:cada08fc8a70 381 * Tables generation code
mbedAustin 11:cada08fc8a70 382 */
mbedAustin 11:cada08fc8a70 383 #define ROTL8(x) ( ( x << 8 ) & 0xFFFFFFFF ) | ( x >> 24 )
mbedAustin 11:cada08fc8a70 384 #define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) )
mbedAustin 11:cada08fc8a70 385 #define MUL(x,y) ( ( x && y ) ? pow[(log[x]+log[y]) % 255] : 0 )
mbedAustin 11:cada08fc8a70 386
mbedAustin 11:cada08fc8a70 387 static int aes_init_done = 0;
mbedAustin 11:cada08fc8a70 388
mbedAustin 11:cada08fc8a70 389 static void aes_gen_tables( void )
mbedAustin 11:cada08fc8a70 390 {
mbedAustin 11:cada08fc8a70 391 int i, x, y, z;
mbedAustin 11:cada08fc8a70 392 int pow[256];
mbedAustin 11:cada08fc8a70 393 int log[256];
mbedAustin 11:cada08fc8a70 394
mbedAustin 11:cada08fc8a70 395 /*
mbedAustin 11:cada08fc8a70 396 * compute pow and log tables over GF(2^8)
mbedAustin 11:cada08fc8a70 397 */
mbedAustin 11:cada08fc8a70 398 for( i = 0, x = 1; i < 256; i++ )
mbedAustin 11:cada08fc8a70 399 {
mbedAustin 11:cada08fc8a70 400 pow[i] = x;
mbedAustin 11:cada08fc8a70 401 log[x] = i;
mbedAustin 11:cada08fc8a70 402 x = ( x ^ XTIME( x ) ) & 0xFF;
mbedAustin 11:cada08fc8a70 403 }
mbedAustin 11:cada08fc8a70 404
mbedAustin 11:cada08fc8a70 405 /*
mbedAustin 11:cada08fc8a70 406 * calculate the round constants
mbedAustin 11:cada08fc8a70 407 */
mbedAustin 11:cada08fc8a70 408 for( i = 0, x = 1; i < 10; i++ )
mbedAustin 11:cada08fc8a70 409 {
mbedAustin 11:cada08fc8a70 410 RCON[i] = (uint32_t) x;
mbedAustin 11:cada08fc8a70 411 x = XTIME( x ) & 0xFF;
mbedAustin 11:cada08fc8a70 412 }
mbedAustin 11:cada08fc8a70 413
mbedAustin 11:cada08fc8a70 414 /*
mbedAustin 11:cada08fc8a70 415 * generate the forward and reverse S-boxes
mbedAustin 11:cada08fc8a70 416 */
mbedAustin 11:cada08fc8a70 417 FSb[0x00] = 0x63;
mbedAustin 11:cada08fc8a70 418 RSb[0x63] = 0x00;
mbedAustin 11:cada08fc8a70 419
mbedAustin 11:cada08fc8a70 420 for( i = 1; i < 256; i++ )
mbedAustin 11:cada08fc8a70 421 {
mbedAustin 11:cada08fc8a70 422 x = pow[255 - log[i]];
mbedAustin 11:cada08fc8a70 423
mbedAustin 11:cada08fc8a70 424 y = x; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
mbedAustin 11:cada08fc8a70 425 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
mbedAustin 11:cada08fc8a70 426 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
mbedAustin 11:cada08fc8a70 427 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
mbedAustin 11:cada08fc8a70 428 x ^= y ^ 0x63;
mbedAustin 11:cada08fc8a70 429
mbedAustin 11:cada08fc8a70 430 FSb[i] = (unsigned char) x;
mbedAustin 11:cada08fc8a70 431 RSb[x] = (unsigned char) i;
mbedAustin 11:cada08fc8a70 432 }
mbedAustin 11:cada08fc8a70 433
mbedAustin 11:cada08fc8a70 434 /*
mbedAustin 11:cada08fc8a70 435 * generate the forward and reverse tables
mbedAustin 11:cada08fc8a70 436 */
mbedAustin 11:cada08fc8a70 437 for( i = 0; i < 256; i++ )
mbedAustin 11:cada08fc8a70 438 {
mbedAustin 11:cada08fc8a70 439 x = FSb[i];
mbedAustin 11:cada08fc8a70 440 y = XTIME( x ) & 0xFF;
mbedAustin 11:cada08fc8a70 441 z = ( y ^ x ) & 0xFF;
mbedAustin 11:cada08fc8a70 442
mbedAustin 11:cada08fc8a70 443 FT0[i] = ( (uint32_t) y ) ^
mbedAustin 11:cada08fc8a70 444 ( (uint32_t) x << 8 ) ^
mbedAustin 11:cada08fc8a70 445 ( (uint32_t) x << 16 ) ^
mbedAustin 11:cada08fc8a70 446 ( (uint32_t) z << 24 );
mbedAustin 11:cada08fc8a70 447
mbedAustin 11:cada08fc8a70 448 FT1[i] = ROTL8( FT0[i] );
mbedAustin 11:cada08fc8a70 449 FT2[i] = ROTL8( FT1[i] );
mbedAustin 11:cada08fc8a70 450 FT3[i] = ROTL8( FT2[i] );
mbedAustin 11:cada08fc8a70 451
mbedAustin 11:cada08fc8a70 452 x = RSb[i];
mbedAustin 11:cada08fc8a70 453
mbedAustin 11:cada08fc8a70 454 RT0[i] = ( (uint32_t) MUL( 0x0E, x ) ) ^
mbedAustin 11:cada08fc8a70 455 ( (uint32_t) MUL( 0x09, x ) << 8 ) ^
mbedAustin 11:cada08fc8a70 456 ( (uint32_t) MUL( 0x0D, x ) << 16 ) ^
mbedAustin 11:cada08fc8a70 457 ( (uint32_t) MUL( 0x0B, x ) << 24 );
mbedAustin 11:cada08fc8a70 458
mbedAustin 11:cada08fc8a70 459 RT1[i] = ROTL8( RT0[i] );
mbedAustin 11:cada08fc8a70 460 RT2[i] = ROTL8( RT1[i] );
mbedAustin 11:cada08fc8a70 461 RT3[i] = ROTL8( RT2[i] );
mbedAustin 11:cada08fc8a70 462 }
mbedAustin 11:cada08fc8a70 463 }
mbedAustin 11:cada08fc8a70 464
mbedAustin 11:cada08fc8a70 465 #endif /* MBEDTLS_AES_ROM_TABLES */
mbedAustin 11:cada08fc8a70 466
mbedAustin 11:cada08fc8a70 467 void mbedtls_aes_init( mbedtls_aes_context *ctx )
mbedAustin 11:cada08fc8a70 468 {
mbedAustin 11:cada08fc8a70 469 memset( ctx, 0, sizeof( mbedtls_aes_context ) );
mbedAustin 11:cada08fc8a70 470 }
mbedAustin 11:cada08fc8a70 471
mbedAustin 11:cada08fc8a70 472 void mbedtls_aes_free( mbedtls_aes_context *ctx )
mbedAustin 11:cada08fc8a70 473 {
mbedAustin 11:cada08fc8a70 474 if( ctx == NULL )
mbedAustin 11:cada08fc8a70 475 return;
mbedAustin 11:cada08fc8a70 476
mbedAustin 11:cada08fc8a70 477 mbedtls_zeroize( ctx, sizeof( mbedtls_aes_context ) );
mbedAustin 11:cada08fc8a70 478 }
mbedAustin 11:cada08fc8a70 479
mbedAustin 11:cada08fc8a70 480 /*
mbedAustin 11:cada08fc8a70 481 * AES key schedule (encryption)
mbedAustin 11:cada08fc8a70 482 */
mbedAustin 11:cada08fc8a70 483 #if !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
mbedAustin 11:cada08fc8a70 484 int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
mbedAustin 11:cada08fc8a70 485 unsigned int keybits )
mbedAustin 11:cada08fc8a70 486 {
mbedAustin 11:cada08fc8a70 487 unsigned int i;
mbedAustin 11:cada08fc8a70 488 uint32_t *RK;
mbedAustin 11:cada08fc8a70 489
mbedAustin 11:cada08fc8a70 490 #if !defined(MBEDTLS_AES_ROM_TABLES)
mbedAustin 11:cada08fc8a70 491 if( aes_init_done == 0 )
mbedAustin 11:cada08fc8a70 492 {
mbedAustin 11:cada08fc8a70 493 aes_gen_tables();
mbedAustin 11:cada08fc8a70 494 aes_init_done = 1;
mbedAustin 11:cada08fc8a70 495
mbedAustin 11:cada08fc8a70 496 }
mbedAustin 11:cada08fc8a70 497 #endif
mbedAustin 11:cada08fc8a70 498
mbedAustin 11:cada08fc8a70 499 switch( keybits )
mbedAustin 11:cada08fc8a70 500 {
mbedAustin 11:cada08fc8a70 501 case 128: ctx->nr = 10; break;
mbedAustin 11:cada08fc8a70 502 case 192: ctx->nr = 12; break;
mbedAustin 11:cada08fc8a70 503 case 256: ctx->nr = 14; break;
mbedAustin 11:cada08fc8a70 504 default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
mbedAustin 11:cada08fc8a70 505 }
mbedAustin 11:cada08fc8a70 506
mbedAustin 11:cada08fc8a70 507 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
mbedAustin 11:cada08fc8a70 508 if( aes_padlock_ace == -1 )
mbedAustin 11:cada08fc8a70 509 aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
mbedAustin 11:cada08fc8a70 510
mbedAustin 11:cada08fc8a70 511 if( aes_padlock_ace )
mbedAustin 11:cada08fc8a70 512 ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
mbedAustin 11:cada08fc8a70 513 else
mbedAustin 11:cada08fc8a70 514 #endif
mbedAustin 11:cada08fc8a70 515 ctx->rk = RK = ctx->buf;
mbedAustin 11:cada08fc8a70 516
mbedAustin 11:cada08fc8a70 517 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
mbedAustin 11:cada08fc8a70 518 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
mbedAustin 11:cada08fc8a70 519 return( mbedtls_aesni_setkey_enc( (unsigned char *) ctx->rk, key, keybits ) );
mbedAustin 11:cada08fc8a70 520 #endif
mbedAustin 11:cada08fc8a70 521
mbedAustin 11:cada08fc8a70 522 for( i = 0; i < ( keybits >> 5 ); i++ )
mbedAustin 11:cada08fc8a70 523 {
mbedAustin 11:cada08fc8a70 524 GET_UINT32_LE( RK[i], key, i << 2 );
mbedAustin 11:cada08fc8a70 525 }
mbedAustin 11:cada08fc8a70 526
mbedAustin 11:cada08fc8a70 527 switch( ctx->nr )
mbedAustin 11:cada08fc8a70 528 {
mbedAustin 11:cada08fc8a70 529 case 10:
mbedAustin 11:cada08fc8a70 530
mbedAustin 11:cada08fc8a70 531 for( i = 0; i < 10; i++, RK += 4 )
mbedAustin 11:cada08fc8a70 532 {
mbedAustin 11:cada08fc8a70 533 RK[4] = RK[0] ^ RCON[i] ^
mbedAustin 11:cada08fc8a70 534 ( (uint32_t) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 535 ( (uint32_t) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 536 ( (uint32_t) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 537 ( (uint32_t) FSb[ ( RK[3] ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 538
mbedAustin 11:cada08fc8a70 539 RK[5] = RK[1] ^ RK[4];
mbedAustin 11:cada08fc8a70 540 RK[6] = RK[2] ^ RK[5];
mbedAustin 11:cada08fc8a70 541 RK[7] = RK[3] ^ RK[6];
mbedAustin 11:cada08fc8a70 542 }
mbedAustin 11:cada08fc8a70 543 break;
mbedAustin 11:cada08fc8a70 544
mbedAustin 11:cada08fc8a70 545 case 12:
mbedAustin 11:cada08fc8a70 546
mbedAustin 11:cada08fc8a70 547 for( i = 0; i < 8; i++, RK += 6 )
mbedAustin 11:cada08fc8a70 548 {
mbedAustin 11:cada08fc8a70 549 RK[6] = RK[0] ^ RCON[i] ^
mbedAustin 11:cada08fc8a70 550 ( (uint32_t) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 551 ( (uint32_t) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 552 ( (uint32_t) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 553 ( (uint32_t) FSb[ ( RK[5] ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 554
mbedAustin 11:cada08fc8a70 555 RK[7] = RK[1] ^ RK[6];
mbedAustin 11:cada08fc8a70 556 RK[8] = RK[2] ^ RK[7];
mbedAustin 11:cada08fc8a70 557 RK[9] = RK[3] ^ RK[8];
mbedAustin 11:cada08fc8a70 558 RK[10] = RK[4] ^ RK[9];
mbedAustin 11:cada08fc8a70 559 RK[11] = RK[5] ^ RK[10];
mbedAustin 11:cada08fc8a70 560 }
mbedAustin 11:cada08fc8a70 561 break;
mbedAustin 11:cada08fc8a70 562
mbedAustin 11:cada08fc8a70 563 case 14:
mbedAustin 11:cada08fc8a70 564
mbedAustin 11:cada08fc8a70 565 for( i = 0; i < 7; i++, RK += 8 )
mbedAustin 11:cada08fc8a70 566 {
mbedAustin 11:cada08fc8a70 567 RK[8] = RK[0] ^ RCON[i] ^
mbedAustin 11:cada08fc8a70 568 ( (uint32_t) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 569 ( (uint32_t) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 570 ( (uint32_t) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 571 ( (uint32_t) FSb[ ( RK[7] ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 572
mbedAustin 11:cada08fc8a70 573 RK[9] = RK[1] ^ RK[8];
mbedAustin 11:cada08fc8a70 574 RK[10] = RK[2] ^ RK[9];
mbedAustin 11:cada08fc8a70 575 RK[11] = RK[3] ^ RK[10];
mbedAustin 11:cada08fc8a70 576
mbedAustin 11:cada08fc8a70 577 RK[12] = RK[4] ^
mbedAustin 11:cada08fc8a70 578 ( (uint32_t) FSb[ ( RK[11] ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 579 ( (uint32_t) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 580 ( (uint32_t) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 581 ( (uint32_t) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 582
mbedAustin 11:cada08fc8a70 583 RK[13] = RK[5] ^ RK[12];
mbedAustin 11:cada08fc8a70 584 RK[14] = RK[6] ^ RK[13];
mbedAustin 11:cada08fc8a70 585 RK[15] = RK[7] ^ RK[14];
mbedAustin 11:cada08fc8a70 586 }
mbedAustin 11:cada08fc8a70 587 break;
mbedAustin 11:cada08fc8a70 588 }
mbedAustin 11:cada08fc8a70 589
mbedAustin 11:cada08fc8a70 590 return( 0 );
mbedAustin 11:cada08fc8a70 591 }
mbedAustin 11:cada08fc8a70 592 #endif /* !MBEDTLS_AES_SETKEY_ENC_ALT */
mbedAustin 11:cada08fc8a70 593
mbedAustin 11:cada08fc8a70 594 /*
mbedAustin 11:cada08fc8a70 595 * AES key schedule (decryption)
mbedAustin 11:cada08fc8a70 596 */
mbedAustin 11:cada08fc8a70 597 #if !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
mbedAustin 11:cada08fc8a70 598 int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
mbedAustin 11:cada08fc8a70 599 unsigned int keybits )
mbedAustin 11:cada08fc8a70 600 {
mbedAustin 11:cada08fc8a70 601 int i, j, ret;
mbedAustin 11:cada08fc8a70 602 mbedtls_aes_context cty;
mbedAustin 11:cada08fc8a70 603 uint32_t *RK;
mbedAustin 11:cada08fc8a70 604 uint32_t *SK;
mbedAustin 11:cada08fc8a70 605
mbedAustin 11:cada08fc8a70 606 mbedtls_aes_init( &cty );
mbedAustin 11:cada08fc8a70 607
mbedAustin 11:cada08fc8a70 608 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
mbedAustin 11:cada08fc8a70 609 if( aes_padlock_ace == -1 )
mbedAustin 11:cada08fc8a70 610 aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
mbedAustin 11:cada08fc8a70 611
mbedAustin 11:cada08fc8a70 612 if( aes_padlock_ace )
mbedAustin 11:cada08fc8a70 613 ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
mbedAustin 11:cada08fc8a70 614 else
mbedAustin 11:cada08fc8a70 615 #endif
mbedAustin 11:cada08fc8a70 616 ctx->rk = RK = ctx->buf;
mbedAustin 11:cada08fc8a70 617
mbedAustin 11:cada08fc8a70 618 /* Also checks keybits */
mbedAustin 11:cada08fc8a70 619 if( ( ret = mbedtls_aes_setkey_enc( &cty, key, keybits ) ) != 0 )
mbedAustin 11:cada08fc8a70 620 goto exit;
mbedAustin 11:cada08fc8a70 621
mbedAustin 11:cada08fc8a70 622 ctx->nr = cty.nr;
mbedAustin 11:cada08fc8a70 623
mbedAustin 11:cada08fc8a70 624 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
mbedAustin 11:cada08fc8a70 625 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
mbedAustin 11:cada08fc8a70 626 {
mbedAustin 11:cada08fc8a70 627 mbedtls_aesni_inverse_key( (unsigned char *) ctx->rk,
mbedAustin 11:cada08fc8a70 628 (const unsigned char *) cty.rk, ctx->nr );
mbedAustin 11:cada08fc8a70 629 goto exit;
mbedAustin 11:cada08fc8a70 630 }
mbedAustin 11:cada08fc8a70 631 #endif
mbedAustin 11:cada08fc8a70 632
mbedAustin 11:cada08fc8a70 633 SK = cty.rk + cty.nr * 4;
mbedAustin 11:cada08fc8a70 634
mbedAustin 11:cada08fc8a70 635 *RK++ = *SK++;
mbedAustin 11:cada08fc8a70 636 *RK++ = *SK++;
mbedAustin 11:cada08fc8a70 637 *RK++ = *SK++;
mbedAustin 11:cada08fc8a70 638 *RK++ = *SK++;
mbedAustin 11:cada08fc8a70 639
mbedAustin 11:cada08fc8a70 640 for( i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8 )
mbedAustin 11:cada08fc8a70 641 {
mbedAustin 11:cada08fc8a70 642 for( j = 0; j < 4; j++, SK++ )
mbedAustin 11:cada08fc8a70 643 {
mbedAustin 11:cada08fc8a70 644 *RK++ = RT0[ FSb[ ( *SK ) & 0xFF ] ] ^
mbedAustin 11:cada08fc8a70 645 RT1[ FSb[ ( *SK >> 8 ) & 0xFF ] ] ^
mbedAustin 11:cada08fc8a70 646 RT2[ FSb[ ( *SK >> 16 ) & 0xFF ] ] ^
mbedAustin 11:cada08fc8a70 647 RT3[ FSb[ ( *SK >> 24 ) & 0xFF ] ];
mbedAustin 11:cada08fc8a70 648 }
mbedAustin 11:cada08fc8a70 649 }
mbedAustin 11:cada08fc8a70 650
mbedAustin 11:cada08fc8a70 651 *RK++ = *SK++;
mbedAustin 11:cada08fc8a70 652 *RK++ = *SK++;
mbedAustin 11:cada08fc8a70 653 *RK++ = *SK++;
mbedAustin 11:cada08fc8a70 654 *RK++ = *SK++;
mbedAustin 11:cada08fc8a70 655
mbedAustin 11:cada08fc8a70 656 exit:
mbedAustin 11:cada08fc8a70 657 mbedtls_aes_free( &cty );
mbedAustin 11:cada08fc8a70 658
mbedAustin 11:cada08fc8a70 659 return( ret );
mbedAustin 11:cada08fc8a70 660 }
mbedAustin 11:cada08fc8a70 661 #endif /* !MBEDTLS_AES_SETKEY_DEC_ALT */
mbedAustin 11:cada08fc8a70 662
mbedAustin 11:cada08fc8a70 663 #define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
mbedAustin 11:cada08fc8a70 664 { \
mbedAustin 11:cada08fc8a70 665 X0 = *RK++ ^ FT0[ ( Y0 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 666 FT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 667 FT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 668 FT3[ ( Y3 >> 24 ) & 0xFF ]; \
mbedAustin 11:cada08fc8a70 669 \
mbedAustin 11:cada08fc8a70 670 X1 = *RK++ ^ FT0[ ( Y1 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 671 FT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 672 FT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 673 FT3[ ( Y0 >> 24 ) & 0xFF ]; \
mbedAustin 11:cada08fc8a70 674 \
mbedAustin 11:cada08fc8a70 675 X2 = *RK++ ^ FT0[ ( Y2 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 676 FT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 677 FT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 678 FT3[ ( Y1 >> 24 ) & 0xFF ]; \
mbedAustin 11:cada08fc8a70 679 \
mbedAustin 11:cada08fc8a70 680 X3 = *RK++ ^ FT0[ ( Y3 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 681 FT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 682 FT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 683 FT3[ ( Y2 >> 24 ) & 0xFF ]; \
mbedAustin 11:cada08fc8a70 684 }
mbedAustin 11:cada08fc8a70 685
mbedAustin 11:cada08fc8a70 686 #define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
mbedAustin 11:cada08fc8a70 687 { \
mbedAustin 11:cada08fc8a70 688 X0 = *RK++ ^ RT0[ ( Y0 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 689 RT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 690 RT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 691 RT3[ ( Y1 >> 24 ) & 0xFF ]; \
mbedAustin 11:cada08fc8a70 692 \
mbedAustin 11:cada08fc8a70 693 X1 = *RK++ ^ RT0[ ( Y1 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 694 RT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 695 RT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 696 RT3[ ( Y2 >> 24 ) & 0xFF ]; \
mbedAustin 11:cada08fc8a70 697 \
mbedAustin 11:cada08fc8a70 698 X2 = *RK++ ^ RT0[ ( Y2 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 699 RT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 700 RT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 701 RT3[ ( Y3 >> 24 ) & 0xFF ]; \
mbedAustin 11:cada08fc8a70 702 \
mbedAustin 11:cada08fc8a70 703 X3 = *RK++ ^ RT0[ ( Y3 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 704 RT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 705 RT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
mbedAustin 11:cada08fc8a70 706 RT3[ ( Y0 >> 24 ) & 0xFF ]; \
mbedAustin 11:cada08fc8a70 707 }
mbedAustin 11:cada08fc8a70 708
mbedAustin 11:cada08fc8a70 709 /*
mbedAustin 11:cada08fc8a70 710 * AES-ECB block encryption
mbedAustin 11:cada08fc8a70 711 */
mbedAustin 11:cada08fc8a70 712 #if !defined(MBEDTLS_AES_ENCRYPT_ALT)
mbedAustin 11:cada08fc8a70 713 void mbedtls_aes_encrypt( mbedtls_aes_context *ctx,
mbedAustin 11:cada08fc8a70 714 const unsigned char input[16],
mbedAustin 11:cada08fc8a70 715 unsigned char output[16] )
mbedAustin 11:cada08fc8a70 716 {
mbedAustin 11:cada08fc8a70 717 int i;
mbedAustin 11:cada08fc8a70 718 uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
mbedAustin 11:cada08fc8a70 719
mbedAustin 11:cada08fc8a70 720 RK = ctx->rk;
mbedAustin 11:cada08fc8a70 721
mbedAustin 11:cada08fc8a70 722 GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
mbedAustin 11:cada08fc8a70 723 GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
mbedAustin 11:cada08fc8a70 724 GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
mbedAustin 11:cada08fc8a70 725 GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
mbedAustin 11:cada08fc8a70 726
mbedAustin 11:cada08fc8a70 727 for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
mbedAustin 11:cada08fc8a70 728 {
mbedAustin 11:cada08fc8a70 729 AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
mbedAustin 11:cada08fc8a70 730 AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
mbedAustin 11:cada08fc8a70 731 }
mbedAustin 11:cada08fc8a70 732
mbedAustin 11:cada08fc8a70 733 AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
mbedAustin 11:cada08fc8a70 734
mbedAustin 11:cada08fc8a70 735 X0 = *RK++ ^ \
mbedAustin 11:cada08fc8a70 736 ( (uint32_t) FSb[ ( Y0 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 737 ( (uint32_t) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 738 ( (uint32_t) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 739 ( (uint32_t) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 740
mbedAustin 11:cada08fc8a70 741 X1 = *RK++ ^ \
mbedAustin 11:cada08fc8a70 742 ( (uint32_t) FSb[ ( Y1 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 743 ( (uint32_t) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 744 ( (uint32_t) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 745 ( (uint32_t) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 746
mbedAustin 11:cada08fc8a70 747 X2 = *RK++ ^ \
mbedAustin 11:cada08fc8a70 748 ( (uint32_t) FSb[ ( Y2 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 749 ( (uint32_t) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 750 ( (uint32_t) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 751 ( (uint32_t) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 752
mbedAustin 11:cada08fc8a70 753 X3 = *RK++ ^ \
mbedAustin 11:cada08fc8a70 754 ( (uint32_t) FSb[ ( Y3 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 755 ( (uint32_t) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 756 ( (uint32_t) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 757 ( (uint32_t) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 758
mbedAustin 11:cada08fc8a70 759 PUT_UINT32_LE( X0, output, 0 );
mbedAustin 11:cada08fc8a70 760 PUT_UINT32_LE( X1, output, 4 );
mbedAustin 11:cada08fc8a70 761 PUT_UINT32_LE( X2, output, 8 );
mbedAustin 11:cada08fc8a70 762 PUT_UINT32_LE( X3, output, 12 );
mbedAustin 11:cada08fc8a70 763 }
mbedAustin 11:cada08fc8a70 764 #endif /* !MBEDTLS_AES_ENCRYPT_ALT */
mbedAustin 11:cada08fc8a70 765
mbedAustin 11:cada08fc8a70 766 /*
mbedAustin 11:cada08fc8a70 767 * AES-ECB block decryption
mbedAustin 11:cada08fc8a70 768 */
mbedAustin 11:cada08fc8a70 769 #if !defined(MBEDTLS_AES_DECRYPT_ALT)
mbedAustin 11:cada08fc8a70 770 void mbedtls_aes_decrypt( mbedtls_aes_context *ctx,
mbedAustin 11:cada08fc8a70 771 const unsigned char input[16],
mbedAustin 11:cada08fc8a70 772 unsigned char output[16] )
mbedAustin 11:cada08fc8a70 773 {
mbedAustin 11:cada08fc8a70 774 int i;
mbedAustin 11:cada08fc8a70 775 uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
mbedAustin 11:cada08fc8a70 776
mbedAustin 11:cada08fc8a70 777 RK = ctx->rk;
mbedAustin 11:cada08fc8a70 778
mbedAustin 11:cada08fc8a70 779 GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
mbedAustin 11:cada08fc8a70 780 GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
mbedAustin 11:cada08fc8a70 781 GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
mbedAustin 11:cada08fc8a70 782 GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
mbedAustin 11:cada08fc8a70 783
mbedAustin 11:cada08fc8a70 784 for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
mbedAustin 11:cada08fc8a70 785 {
mbedAustin 11:cada08fc8a70 786 AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
mbedAustin 11:cada08fc8a70 787 AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
mbedAustin 11:cada08fc8a70 788 }
mbedAustin 11:cada08fc8a70 789
mbedAustin 11:cada08fc8a70 790 AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
mbedAustin 11:cada08fc8a70 791
mbedAustin 11:cada08fc8a70 792 X0 = *RK++ ^ \
mbedAustin 11:cada08fc8a70 793 ( (uint32_t) RSb[ ( Y0 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 794 ( (uint32_t) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 795 ( (uint32_t) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 796 ( (uint32_t) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 797
mbedAustin 11:cada08fc8a70 798 X1 = *RK++ ^ \
mbedAustin 11:cada08fc8a70 799 ( (uint32_t) RSb[ ( Y1 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 800 ( (uint32_t) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 801 ( (uint32_t) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 802 ( (uint32_t) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 803
mbedAustin 11:cada08fc8a70 804 X2 = *RK++ ^ \
mbedAustin 11:cada08fc8a70 805 ( (uint32_t) RSb[ ( Y2 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 806 ( (uint32_t) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 807 ( (uint32_t) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 808 ( (uint32_t) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 809
mbedAustin 11:cada08fc8a70 810 X3 = *RK++ ^ \
mbedAustin 11:cada08fc8a70 811 ( (uint32_t) RSb[ ( Y3 ) & 0xFF ] ) ^
mbedAustin 11:cada08fc8a70 812 ( (uint32_t) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
mbedAustin 11:cada08fc8a70 813 ( (uint32_t) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
mbedAustin 11:cada08fc8a70 814 ( (uint32_t) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
mbedAustin 11:cada08fc8a70 815
mbedAustin 11:cada08fc8a70 816 PUT_UINT32_LE( X0, output, 0 );
mbedAustin 11:cada08fc8a70 817 PUT_UINT32_LE( X1, output, 4 );
mbedAustin 11:cada08fc8a70 818 PUT_UINT32_LE( X2, output, 8 );
mbedAustin 11:cada08fc8a70 819 PUT_UINT32_LE( X3, output, 12 );
mbedAustin 11:cada08fc8a70 820 }
mbedAustin 11:cada08fc8a70 821 #endif /* !MBEDTLS_AES_DECRYPT_ALT */
mbedAustin 11:cada08fc8a70 822
mbedAustin 11:cada08fc8a70 823 /*
mbedAustin 11:cada08fc8a70 824 * AES-ECB block encryption/decryption
mbedAustin 11:cada08fc8a70 825 */
mbedAustin 11:cada08fc8a70 826 int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
mbedAustin 11:cada08fc8a70 827 int mode,
mbedAustin 11:cada08fc8a70 828 const unsigned char input[16],
mbedAustin 11:cada08fc8a70 829 unsigned char output[16] )
mbedAustin 11:cada08fc8a70 830 {
mbedAustin 11:cada08fc8a70 831 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
mbedAustin 11:cada08fc8a70 832 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
mbedAustin 11:cada08fc8a70 833 return( mbedtls_aesni_crypt_ecb( ctx, mode, input, output ) );
mbedAustin 11:cada08fc8a70 834 #endif
mbedAustin 11:cada08fc8a70 835
mbedAustin 11:cada08fc8a70 836 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
mbedAustin 11:cada08fc8a70 837 if( aes_padlock_ace )
mbedAustin 11:cada08fc8a70 838 {
mbedAustin 11:cada08fc8a70 839 if( mbedtls_padlock_xcryptecb( ctx, mode, input, output ) == 0 )
mbedAustin 11:cada08fc8a70 840 return( 0 );
mbedAustin 11:cada08fc8a70 841
mbedAustin 11:cada08fc8a70 842 // If padlock data misaligned, we just fall back to
mbedAustin 11:cada08fc8a70 843 // unaccelerated mode
mbedAustin 11:cada08fc8a70 844 //
mbedAustin 11:cada08fc8a70 845 }
mbedAustin 11:cada08fc8a70 846 #endif
mbedAustin 11:cada08fc8a70 847
mbedAustin 11:cada08fc8a70 848 if( mode == MBEDTLS_AES_ENCRYPT )
mbedAustin 11:cada08fc8a70 849 mbedtls_aes_encrypt( ctx, input, output );
mbedAustin 11:cada08fc8a70 850 else
mbedAustin 11:cada08fc8a70 851 mbedtls_aes_decrypt( ctx, input, output );
mbedAustin 11:cada08fc8a70 852
mbedAustin 11:cada08fc8a70 853 return( 0 );
mbedAustin 11:cada08fc8a70 854 }
mbedAustin 11:cada08fc8a70 855
mbedAustin 11:cada08fc8a70 856 #if defined(MBEDTLS_CIPHER_MODE_CBC)
mbedAustin 11:cada08fc8a70 857 /*
mbedAustin 11:cada08fc8a70 858 * AES-CBC buffer encryption/decryption
mbedAustin 11:cada08fc8a70 859 */
mbedAustin 11:cada08fc8a70 860 int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
mbedAustin 11:cada08fc8a70 861 int mode,
mbedAustin 11:cada08fc8a70 862 size_t length,
mbedAustin 11:cada08fc8a70 863 unsigned char iv[16],
mbedAustin 11:cada08fc8a70 864 const unsigned char *input,
mbedAustin 11:cada08fc8a70 865 unsigned char *output )
mbedAustin 11:cada08fc8a70 866 {
mbedAustin 11:cada08fc8a70 867 int i;
mbedAustin 11:cada08fc8a70 868 unsigned char temp[16];
mbedAustin 11:cada08fc8a70 869
mbedAustin 11:cada08fc8a70 870 if( length % 16 )
mbedAustin 11:cada08fc8a70 871 return( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
mbedAustin 11:cada08fc8a70 872
mbedAustin 11:cada08fc8a70 873 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
mbedAustin 11:cada08fc8a70 874 if( aes_padlock_ace )
mbedAustin 11:cada08fc8a70 875 {
mbedAustin 11:cada08fc8a70 876 if( mbedtls_padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 )
mbedAustin 11:cada08fc8a70 877 return( 0 );
mbedAustin 11:cada08fc8a70 878
mbedAustin 11:cada08fc8a70 879 // If padlock data misaligned, we just fall back to
mbedAustin 11:cada08fc8a70 880 // unaccelerated mode
mbedAustin 11:cada08fc8a70 881 //
mbedAustin 11:cada08fc8a70 882 }
mbedAustin 11:cada08fc8a70 883 #endif
mbedAustin 11:cada08fc8a70 884
mbedAustin 11:cada08fc8a70 885 if( mode == MBEDTLS_AES_DECRYPT )
mbedAustin 11:cada08fc8a70 886 {
mbedAustin 11:cada08fc8a70 887 while( length > 0 )
mbedAustin 11:cada08fc8a70 888 {
mbedAustin 11:cada08fc8a70 889 memcpy( temp, input, 16 );
mbedAustin 11:cada08fc8a70 890 mbedtls_aes_crypt_ecb( ctx, mode, input, output );
mbedAustin 11:cada08fc8a70 891
mbedAustin 11:cada08fc8a70 892 for( i = 0; i < 16; i++ )
mbedAustin 11:cada08fc8a70 893 output[i] = (unsigned char)( output[i] ^ iv[i] );
mbedAustin 11:cada08fc8a70 894
mbedAustin 11:cada08fc8a70 895 memcpy( iv, temp, 16 );
mbedAustin 11:cada08fc8a70 896
mbedAustin 11:cada08fc8a70 897 input += 16;
mbedAustin 11:cada08fc8a70 898 output += 16;
mbedAustin 11:cada08fc8a70 899 length -= 16;
mbedAustin 11:cada08fc8a70 900 }
mbedAustin 11:cada08fc8a70 901 }
mbedAustin 11:cada08fc8a70 902 else
mbedAustin 11:cada08fc8a70 903 {
mbedAustin 11:cada08fc8a70 904 while( length > 0 )
mbedAustin 11:cada08fc8a70 905 {
mbedAustin 11:cada08fc8a70 906 for( i = 0; i < 16; i++ )
mbedAustin 11:cada08fc8a70 907 output[i] = (unsigned char)( input[i] ^ iv[i] );
mbedAustin 11:cada08fc8a70 908
mbedAustin 11:cada08fc8a70 909 mbedtls_aes_crypt_ecb( ctx, mode, output, output );
mbedAustin 11:cada08fc8a70 910 memcpy( iv, output, 16 );
mbedAustin 11:cada08fc8a70 911
mbedAustin 11:cada08fc8a70 912 input += 16;
mbedAustin 11:cada08fc8a70 913 output += 16;
mbedAustin 11:cada08fc8a70 914 length -= 16;
mbedAustin 11:cada08fc8a70 915 }
mbedAustin 11:cada08fc8a70 916 }
mbedAustin 11:cada08fc8a70 917
mbedAustin 11:cada08fc8a70 918 return( 0 );
mbedAustin 11:cada08fc8a70 919 }
mbedAustin 11:cada08fc8a70 920 #endif /* MBEDTLS_CIPHER_MODE_CBC */
mbedAustin 11:cada08fc8a70 921
mbedAustin 11:cada08fc8a70 922 #if defined(MBEDTLS_CIPHER_MODE_CFB)
mbedAustin 11:cada08fc8a70 923 /*
mbedAustin 11:cada08fc8a70 924 * AES-CFB128 buffer encryption/decryption
mbedAustin 11:cada08fc8a70 925 */
mbedAustin 11:cada08fc8a70 926 int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
mbedAustin 11:cada08fc8a70 927 int mode,
mbedAustin 11:cada08fc8a70 928 size_t length,
mbedAustin 11:cada08fc8a70 929 size_t *iv_off,
mbedAustin 11:cada08fc8a70 930 unsigned char iv[16],
mbedAustin 11:cada08fc8a70 931 const unsigned char *input,
mbedAustin 11:cada08fc8a70 932 unsigned char *output )
mbedAustin 11:cada08fc8a70 933 {
mbedAustin 11:cada08fc8a70 934 int c;
mbedAustin 11:cada08fc8a70 935 size_t n = *iv_off;
mbedAustin 11:cada08fc8a70 936
mbedAustin 11:cada08fc8a70 937 if( mode == MBEDTLS_AES_DECRYPT )
mbedAustin 11:cada08fc8a70 938 {
mbedAustin 11:cada08fc8a70 939 while( length-- )
mbedAustin 11:cada08fc8a70 940 {
mbedAustin 11:cada08fc8a70 941 if( n == 0 )
mbedAustin 11:cada08fc8a70 942 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
mbedAustin 11:cada08fc8a70 943
mbedAustin 11:cada08fc8a70 944 c = *input++;
mbedAustin 11:cada08fc8a70 945 *output++ = (unsigned char)( c ^ iv[n] );
mbedAustin 11:cada08fc8a70 946 iv[n] = (unsigned char) c;
mbedAustin 11:cada08fc8a70 947
mbedAustin 11:cada08fc8a70 948 n = ( n + 1 ) & 0x0F;
mbedAustin 11:cada08fc8a70 949 }
mbedAustin 11:cada08fc8a70 950 }
mbedAustin 11:cada08fc8a70 951 else
mbedAustin 11:cada08fc8a70 952 {
mbedAustin 11:cada08fc8a70 953 while( length-- )
mbedAustin 11:cada08fc8a70 954 {
mbedAustin 11:cada08fc8a70 955 if( n == 0 )
mbedAustin 11:cada08fc8a70 956 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
mbedAustin 11:cada08fc8a70 957
mbedAustin 11:cada08fc8a70 958 iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
mbedAustin 11:cada08fc8a70 959
mbedAustin 11:cada08fc8a70 960 n = ( n + 1 ) & 0x0F;
mbedAustin 11:cada08fc8a70 961 }
mbedAustin 11:cada08fc8a70 962 }
mbedAustin 11:cada08fc8a70 963
mbedAustin 11:cada08fc8a70 964 *iv_off = n;
mbedAustin 11:cada08fc8a70 965
mbedAustin 11:cada08fc8a70 966 return( 0 );
mbedAustin 11:cada08fc8a70 967 }
mbedAustin 11:cada08fc8a70 968
mbedAustin 11:cada08fc8a70 969 /*
mbedAustin 11:cada08fc8a70 970 * AES-CFB8 buffer encryption/decryption
mbedAustin 11:cada08fc8a70 971 */
mbedAustin 11:cada08fc8a70 972 int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx,
mbedAustin 11:cada08fc8a70 973 int mode,
mbedAustin 11:cada08fc8a70 974 size_t length,
mbedAustin 11:cada08fc8a70 975 unsigned char iv[16],
mbedAustin 11:cada08fc8a70 976 const unsigned char *input,
mbedAustin 11:cada08fc8a70 977 unsigned char *output )
mbedAustin 11:cada08fc8a70 978 {
mbedAustin 11:cada08fc8a70 979 unsigned char c;
mbedAustin 11:cada08fc8a70 980 unsigned char ov[17];
mbedAustin 11:cada08fc8a70 981
mbedAustin 11:cada08fc8a70 982 while( length-- )
mbedAustin 11:cada08fc8a70 983 {
mbedAustin 11:cada08fc8a70 984 memcpy( ov, iv, 16 );
mbedAustin 11:cada08fc8a70 985 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
mbedAustin 11:cada08fc8a70 986
mbedAustin 11:cada08fc8a70 987 if( mode == MBEDTLS_AES_DECRYPT )
mbedAustin 11:cada08fc8a70 988 ov[16] = *input;
mbedAustin 11:cada08fc8a70 989
mbedAustin 11:cada08fc8a70 990 c = *output++ = (unsigned char)( iv[0] ^ *input++ );
mbedAustin 11:cada08fc8a70 991
mbedAustin 11:cada08fc8a70 992 if( mode == MBEDTLS_AES_ENCRYPT )
mbedAustin 11:cada08fc8a70 993 ov[16] = c;
mbedAustin 11:cada08fc8a70 994
mbedAustin 11:cada08fc8a70 995 memcpy( iv, ov + 1, 16 );
mbedAustin 11:cada08fc8a70 996 }
mbedAustin 11:cada08fc8a70 997
mbedAustin 11:cada08fc8a70 998 return( 0 );
mbedAustin 11:cada08fc8a70 999 }
mbedAustin 11:cada08fc8a70 1000 #endif /*MBEDTLS_CIPHER_MODE_CFB */
mbedAustin 11:cada08fc8a70 1001
mbedAustin 11:cada08fc8a70 1002 #if defined(MBEDTLS_CIPHER_MODE_CTR)
mbedAustin 11:cada08fc8a70 1003 /*
mbedAustin 11:cada08fc8a70 1004 * AES-CTR buffer encryption/decryption
mbedAustin 11:cada08fc8a70 1005 */
mbedAustin 11:cada08fc8a70 1006 int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx,
mbedAustin 11:cada08fc8a70 1007 size_t length,
mbedAustin 11:cada08fc8a70 1008 size_t *nc_off,
mbedAustin 11:cada08fc8a70 1009 unsigned char nonce_counter[16],
mbedAustin 11:cada08fc8a70 1010 unsigned char stream_block[16],
mbedAustin 11:cada08fc8a70 1011 const unsigned char *input,
mbedAustin 11:cada08fc8a70 1012 unsigned char *output )
mbedAustin 11:cada08fc8a70 1013 {
mbedAustin 11:cada08fc8a70 1014 int c, i;
mbedAustin 11:cada08fc8a70 1015 size_t n = *nc_off;
mbedAustin 11:cada08fc8a70 1016
mbedAustin 11:cada08fc8a70 1017 while( length-- )
mbedAustin 11:cada08fc8a70 1018 {
mbedAustin 11:cada08fc8a70 1019 if( n == 0 ) {
mbedAustin 11:cada08fc8a70 1020 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, nonce_counter, stream_block );
mbedAustin 11:cada08fc8a70 1021
mbedAustin 11:cada08fc8a70 1022 for( i = 16; i > 0; i-- )
mbedAustin 11:cada08fc8a70 1023 if( ++nonce_counter[i - 1] != 0 )
mbedAustin 11:cada08fc8a70 1024 break;
mbedAustin 11:cada08fc8a70 1025 }
mbedAustin 11:cada08fc8a70 1026 c = *input++;
mbedAustin 11:cada08fc8a70 1027 *output++ = (unsigned char)( c ^ stream_block[n] );
mbedAustin 11:cada08fc8a70 1028
mbedAustin 11:cada08fc8a70 1029 n = ( n + 1 ) & 0x0F;
mbedAustin 11:cada08fc8a70 1030 }
mbedAustin 11:cada08fc8a70 1031
mbedAustin 11:cada08fc8a70 1032 *nc_off = n;
mbedAustin 11:cada08fc8a70 1033
mbedAustin 11:cada08fc8a70 1034 return( 0 );
mbedAustin 11:cada08fc8a70 1035 }
mbedAustin 11:cada08fc8a70 1036 #endif /* MBEDTLS_CIPHER_MODE_CTR */
mbedAustin 11:cada08fc8a70 1037
mbedAustin 11:cada08fc8a70 1038 #endif /* !MBEDTLS_AES_ALT */
mbedAustin 11:cada08fc8a70 1039
mbedAustin 11:cada08fc8a70 1040 #if defined(MBEDTLS_SELF_TEST)
mbedAustin 11:cada08fc8a70 1041 /*
mbedAustin 11:cada08fc8a70 1042 * AES test vectors from:
mbedAustin 11:cada08fc8a70 1043 *
mbedAustin 11:cada08fc8a70 1044 * http://csrc.nist.gov/archive/aes/rijndael/rijndael-vals.zip
mbedAustin 11:cada08fc8a70 1045 */
mbedAustin 11:cada08fc8a70 1046 static const unsigned char aes_test_ecb_dec[3][16] =
mbedAustin 11:cada08fc8a70 1047 {
mbedAustin 11:cada08fc8a70 1048 { 0x44, 0x41, 0x6A, 0xC2, 0xD1, 0xF5, 0x3C, 0x58,
mbedAustin 11:cada08fc8a70 1049 0x33, 0x03, 0x91, 0x7E, 0x6B, 0xE9, 0xEB, 0xE0 },
mbedAustin 11:cada08fc8a70 1050 { 0x48, 0xE3, 0x1E, 0x9E, 0x25, 0x67, 0x18, 0xF2,
mbedAustin 11:cada08fc8a70 1051 0x92, 0x29, 0x31, 0x9C, 0x19, 0xF1, 0x5B, 0xA4 },
mbedAustin 11:cada08fc8a70 1052 { 0x05, 0x8C, 0xCF, 0xFD, 0xBB, 0xCB, 0x38, 0x2D,
mbedAustin 11:cada08fc8a70 1053 0x1F, 0x6F, 0x56, 0x58, 0x5D, 0x8A, 0x4A, 0xDE }
mbedAustin 11:cada08fc8a70 1054 };
mbedAustin 11:cada08fc8a70 1055
mbedAustin 11:cada08fc8a70 1056 static const unsigned char aes_test_ecb_enc[3][16] =
mbedAustin 11:cada08fc8a70 1057 {
mbedAustin 11:cada08fc8a70 1058 { 0xC3, 0x4C, 0x05, 0x2C, 0xC0, 0xDA, 0x8D, 0x73,
mbedAustin 11:cada08fc8a70 1059 0x45, 0x1A, 0xFE, 0x5F, 0x03, 0xBE, 0x29, 0x7F },
mbedAustin 11:cada08fc8a70 1060 { 0xF3, 0xF6, 0x75, 0x2A, 0xE8, 0xD7, 0x83, 0x11,
mbedAustin 11:cada08fc8a70 1061 0x38, 0xF0, 0x41, 0x56, 0x06, 0x31, 0xB1, 0x14 },
mbedAustin 11:cada08fc8a70 1062 { 0x8B, 0x79, 0xEE, 0xCC, 0x93, 0xA0, 0xEE, 0x5D,
mbedAustin 11:cada08fc8a70 1063 0xFF, 0x30, 0xB4, 0xEA, 0x21, 0x63, 0x6D, 0xA4 }
mbedAustin 11:cada08fc8a70 1064 };
mbedAustin 11:cada08fc8a70 1065
mbedAustin 11:cada08fc8a70 1066 #if defined(MBEDTLS_CIPHER_MODE_CBC)
mbedAustin 11:cada08fc8a70 1067 static const unsigned char aes_test_cbc_dec[3][16] =
mbedAustin 11:cada08fc8a70 1068 {
mbedAustin 11:cada08fc8a70 1069 { 0xFA, 0xCA, 0x37, 0xE0, 0xB0, 0xC8, 0x53, 0x73,
mbedAustin 11:cada08fc8a70 1070 0xDF, 0x70, 0x6E, 0x73, 0xF7, 0xC9, 0xAF, 0x86 },
mbedAustin 11:cada08fc8a70 1071 { 0x5D, 0xF6, 0x78, 0xDD, 0x17, 0xBA, 0x4E, 0x75,
mbedAustin 11:cada08fc8a70 1072 0xB6, 0x17, 0x68, 0xC6, 0xAD, 0xEF, 0x7C, 0x7B },
mbedAustin 11:cada08fc8a70 1073 { 0x48, 0x04, 0xE1, 0x81, 0x8F, 0xE6, 0x29, 0x75,
mbedAustin 11:cada08fc8a70 1074 0x19, 0xA3, 0xE8, 0x8C, 0x57, 0x31, 0x04, 0x13 }
mbedAustin 11:cada08fc8a70 1075 };
mbedAustin 11:cada08fc8a70 1076
mbedAustin 11:cada08fc8a70 1077 static const unsigned char aes_test_cbc_enc[3][16] =
mbedAustin 11:cada08fc8a70 1078 {
mbedAustin 11:cada08fc8a70 1079 { 0x8A, 0x05, 0xFC, 0x5E, 0x09, 0x5A, 0xF4, 0x84,
mbedAustin 11:cada08fc8a70 1080 0x8A, 0x08, 0xD3, 0x28, 0xD3, 0x68, 0x8E, 0x3D },
mbedAustin 11:cada08fc8a70 1081 { 0x7B, 0xD9, 0x66, 0xD5, 0x3A, 0xD8, 0xC1, 0xBB,
mbedAustin 11:cada08fc8a70 1082 0x85, 0xD2, 0xAD, 0xFA, 0xE8, 0x7B, 0xB1, 0x04 },
mbedAustin 11:cada08fc8a70 1083 { 0xFE, 0x3C, 0x53, 0x65, 0x3E, 0x2F, 0x45, 0xB5,
mbedAustin 11:cada08fc8a70 1084 0x6F, 0xCD, 0x88, 0xB2, 0xCC, 0x89, 0x8F, 0xF0 }
mbedAustin 11:cada08fc8a70 1085 };
mbedAustin 11:cada08fc8a70 1086 #endif /* MBEDTLS_CIPHER_MODE_CBC */
mbedAustin 11:cada08fc8a70 1087
mbedAustin 11:cada08fc8a70 1088 #if defined(MBEDTLS_CIPHER_MODE_CFB)
mbedAustin 11:cada08fc8a70 1089 /*
mbedAustin 11:cada08fc8a70 1090 * AES-CFB128 test vectors from:
mbedAustin 11:cada08fc8a70 1091 *
mbedAustin 11:cada08fc8a70 1092 * http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
mbedAustin 11:cada08fc8a70 1093 */
mbedAustin 11:cada08fc8a70 1094 static const unsigned char aes_test_cfb128_key[3][32] =
mbedAustin 11:cada08fc8a70 1095 {
mbedAustin 11:cada08fc8a70 1096 { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
mbedAustin 11:cada08fc8a70 1097 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C },
mbedAustin 11:cada08fc8a70 1098 { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
mbedAustin 11:cada08fc8a70 1099 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
mbedAustin 11:cada08fc8a70 1100 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B },
mbedAustin 11:cada08fc8a70 1101 { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
mbedAustin 11:cada08fc8a70 1102 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
mbedAustin 11:cada08fc8a70 1103 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
mbedAustin 11:cada08fc8a70 1104 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
mbedAustin 11:cada08fc8a70 1105 };
mbedAustin 11:cada08fc8a70 1106
mbedAustin 11:cada08fc8a70 1107 static const unsigned char aes_test_cfb128_iv[16] =
mbedAustin 11:cada08fc8a70 1108 {
mbedAustin 11:cada08fc8a70 1109 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
mbedAustin 11:cada08fc8a70 1110 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
mbedAustin 11:cada08fc8a70 1111 };
mbedAustin 11:cada08fc8a70 1112
mbedAustin 11:cada08fc8a70 1113 static const unsigned char aes_test_cfb128_pt[64] =
mbedAustin 11:cada08fc8a70 1114 {
mbedAustin 11:cada08fc8a70 1115 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
mbedAustin 11:cada08fc8a70 1116 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A,
mbedAustin 11:cada08fc8a70 1117 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
mbedAustin 11:cada08fc8a70 1118 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51,
mbedAustin 11:cada08fc8a70 1119 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
mbedAustin 11:cada08fc8a70 1120 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF,
mbedAustin 11:cada08fc8a70 1121 0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17,
mbedAustin 11:cada08fc8a70 1122 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10
mbedAustin 11:cada08fc8a70 1123 };
mbedAustin 11:cada08fc8a70 1124
mbedAustin 11:cada08fc8a70 1125 static const unsigned char aes_test_cfb128_ct[3][64] =
mbedAustin 11:cada08fc8a70 1126 {
mbedAustin 11:cada08fc8a70 1127 { 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20,
mbedAustin 11:cada08fc8a70 1128 0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A,
mbedAustin 11:cada08fc8a70 1129 0xC8, 0xA6, 0x45, 0x37, 0xA0, 0xB3, 0xA9, 0x3F,
mbedAustin 11:cada08fc8a70 1130 0xCD, 0xE3, 0xCD, 0xAD, 0x9F, 0x1C, 0xE5, 0x8B,
mbedAustin 11:cada08fc8a70 1131 0x26, 0x75, 0x1F, 0x67, 0xA3, 0xCB, 0xB1, 0x40,
mbedAustin 11:cada08fc8a70 1132 0xB1, 0x80, 0x8C, 0xF1, 0x87, 0xA4, 0xF4, 0xDF,
mbedAustin 11:cada08fc8a70 1133 0xC0, 0x4B, 0x05, 0x35, 0x7C, 0x5D, 0x1C, 0x0E,
mbedAustin 11:cada08fc8a70 1134 0xEA, 0xC4, 0xC6, 0x6F, 0x9F, 0xF7, 0xF2, 0xE6 },
mbedAustin 11:cada08fc8a70 1135 { 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB,
mbedAustin 11:cada08fc8a70 1136 0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74,
mbedAustin 11:cada08fc8a70 1137 0x67, 0xCE, 0x7F, 0x7F, 0x81, 0x17, 0x36, 0x21,
mbedAustin 11:cada08fc8a70 1138 0x96, 0x1A, 0x2B, 0x70, 0x17, 0x1D, 0x3D, 0x7A,
mbedAustin 11:cada08fc8a70 1139 0x2E, 0x1E, 0x8A, 0x1D, 0xD5, 0x9B, 0x88, 0xB1,
mbedAustin 11:cada08fc8a70 1140 0xC8, 0xE6, 0x0F, 0xED, 0x1E, 0xFA, 0xC4, 0xC9,
mbedAustin 11:cada08fc8a70 1141 0xC0, 0x5F, 0x9F, 0x9C, 0xA9, 0x83, 0x4F, 0xA0,
mbedAustin 11:cada08fc8a70 1142 0x42, 0xAE, 0x8F, 0xBA, 0x58, 0x4B, 0x09, 0xFF },
mbedAustin 11:cada08fc8a70 1143 { 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B,
mbedAustin 11:cada08fc8a70 1144 0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60,
mbedAustin 11:cada08fc8a70 1145 0x39, 0xFF, 0xED, 0x14, 0x3B, 0x28, 0xB1, 0xC8,
mbedAustin 11:cada08fc8a70 1146 0x32, 0x11, 0x3C, 0x63, 0x31, 0xE5, 0x40, 0x7B,
mbedAustin 11:cada08fc8a70 1147 0xDF, 0x10, 0x13, 0x24, 0x15, 0xE5, 0x4B, 0x92,
mbedAustin 11:cada08fc8a70 1148 0xA1, 0x3E, 0xD0, 0xA8, 0x26, 0x7A, 0xE2, 0xF9,
mbedAustin 11:cada08fc8a70 1149 0x75, 0xA3, 0x85, 0x74, 0x1A, 0xB9, 0xCE, 0xF8,
mbedAustin 11:cada08fc8a70 1150 0x20, 0x31, 0x62, 0x3D, 0x55, 0xB1, 0xE4, 0x71 }
mbedAustin 11:cada08fc8a70 1151 };
mbedAustin 11:cada08fc8a70 1152 #endif /* MBEDTLS_CIPHER_MODE_CFB */
mbedAustin 11:cada08fc8a70 1153
mbedAustin 11:cada08fc8a70 1154 #if defined(MBEDTLS_CIPHER_MODE_CTR)
mbedAustin 11:cada08fc8a70 1155 /*
mbedAustin 11:cada08fc8a70 1156 * AES-CTR test vectors from:
mbedAustin 11:cada08fc8a70 1157 *
mbedAustin 11:cada08fc8a70 1158 * http://www.faqs.org/rfcs/rfc3686.html
mbedAustin 11:cada08fc8a70 1159 */
mbedAustin 11:cada08fc8a70 1160
mbedAustin 11:cada08fc8a70 1161 static const unsigned char aes_test_ctr_key[3][16] =
mbedAustin 11:cada08fc8a70 1162 {
mbedAustin 11:cada08fc8a70 1163 { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC,
mbedAustin 11:cada08fc8a70 1164 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E },
mbedAustin 11:cada08fc8a70 1165 { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7,
mbedAustin 11:cada08fc8a70 1166 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 },
mbedAustin 11:cada08fc8a70 1167 { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8,
mbedAustin 11:cada08fc8a70 1168 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC }
mbedAustin 11:cada08fc8a70 1169 };
mbedAustin 11:cada08fc8a70 1170
mbedAustin 11:cada08fc8a70 1171 static const unsigned char aes_test_ctr_nonce_counter[3][16] =
mbedAustin 11:cada08fc8a70 1172 {
mbedAustin 11:cada08fc8a70 1173 { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
mbedAustin 11:cada08fc8a70 1174 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
mbedAustin 11:cada08fc8a70 1175 { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59,
mbedAustin 11:cada08fc8a70 1176 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 },
mbedAustin 11:cada08fc8a70 1177 { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F,
mbedAustin 11:cada08fc8a70 1178 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 }
mbedAustin 11:cada08fc8a70 1179 };
mbedAustin 11:cada08fc8a70 1180
mbedAustin 11:cada08fc8a70 1181 static const unsigned char aes_test_ctr_pt[3][48] =
mbedAustin 11:cada08fc8a70 1182 {
mbedAustin 11:cada08fc8a70 1183 { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62,
mbedAustin 11:cada08fc8a70 1184 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 },
mbedAustin 11:cada08fc8a70 1185
mbedAustin 11:cada08fc8a70 1186 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
mbedAustin 11:cada08fc8a70 1187 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
mbedAustin 11:cada08fc8a70 1188 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
mbedAustin 11:cada08fc8a70 1189 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
mbedAustin 11:cada08fc8a70 1190
mbedAustin 11:cada08fc8a70 1191 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
mbedAustin 11:cada08fc8a70 1192 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
mbedAustin 11:cada08fc8a70 1193 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
mbedAustin 11:cada08fc8a70 1194 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
mbedAustin 11:cada08fc8a70 1195 0x20, 0x21, 0x22, 0x23 }
mbedAustin 11:cada08fc8a70 1196 };
mbedAustin 11:cada08fc8a70 1197
mbedAustin 11:cada08fc8a70 1198 static const unsigned char aes_test_ctr_ct[3][48] =
mbedAustin 11:cada08fc8a70 1199 {
mbedAustin 11:cada08fc8a70 1200 { 0xE4, 0x09, 0x5D, 0x4F, 0xB7, 0xA7, 0xB3, 0x79,
mbedAustin 11:cada08fc8a70 1201 0x2D, 0x61, 0x75, 0xA3, 0x26, 0x13, 0x11, 0xB8 },
mbedAustin 11:cada08fc8a70 1202 { 0x51, 0x04, 0xA1, 0x06, 0x16, 0x8A, 0x72, 0xD9,
mbedAustin 11:cada08fc8a70 1203 0x79, 0x0D, 0x41, 0xEE, 0x8E, 0xDA, 0xD3, 0x88,
mbedAustin 11:cada08fc8a70 1204 0xEB, 0x2E, 0x1E, 0xFC, 0x46, 0xDA, 0x57, 0xC8,
mbedAustin 11:cada08fc8a70 1205 0xFC, 0xE6, 0x30, 0xDF, 0x91, 0x41, 0xBE, 0x28 },
mbedAustin 11:cada08fc8a70 1206 { 0xC1, 0xCF, 0x48, 0xA8, 0x9F, 0x2F, 0xFD, 0xD9,
mbedAustin 11:cada08fc8a70 1207 0xCF, 0x46, 0x52, 0xE9, 0xEF, 0xDB, 0x72, 0xD7,
mbedAustin 11:cada08fc8a70 1208 0x45, 0x40, 0xA4, 0x2B, 0xDE, 0x6D, 0x78, 0x36,
mbedAustin 11:cada08fc8a70 1209 0xD5, 0x9A, 0x5C, 0xEA, 0xAE, 0xF3, 0x10, 0x53,
mbedAustin 11:cada08fc8a70 1210 0x25, 0xB2, 0x07, 0x2F }
mbedAustin 11:cada08fc8a70 1211 };
mbedAustin 11:cada08fc8a70 1212
mbedAustin 11:cada08fc8a70 1213 static const int aes_test_ctr_len[3] =
mbedAustin 11:cada08fc8a70 1214 { 16, 32, 36 };
mbedAustin 11:cada08fc8a70 1215 #endif /* MBEDTLS_CIPHER_MODE_CTR */
mbedAustin 11:cada08fc8a70 1216
mbedAustin 11:cada08fc8a70 1217 /*
mbedAustin 11:cada08fc8a70 1218 * Checkup routine
mbedAustin 11:cada08fc8a70 1219 */
mbedAustin 11:cada08fc8a70 1220 int mbedtls_aes_self_test( int verbose )
mbedAustin 11:cada08fc8a70 1221 {
mbedAustin 11:cada08fc8a70 1222 int ret = 0, i, j, u, v;
mbedAustin 11:cada08fc8a70 1223 unsigned char key[32];
mbedAustin 11:cada08fc8a70 1224 unsigned char buf[64];
mbedAustin 11:cada08fc8a70 1225 unsigned char iv[16];
mbedAustin 11:cada08fc8a70 1226 #if defined(MBEDTLS_CIPHER_MODE_CBC)
mbedAustin 11:cada08fc8a70 1227 unsigned char prv[16];
mbedAustin 11:cada08fc8a70 1228 #endif
mbedAustin 11:cada08fc8a70 1229 #if defined(MBEDTLS_CIPHER_MODE_CTR) || defined(MBEDTLS_CIPHER_MODE_CFB)
mbedAustin 11:cada08fc8a70 1230 size_t offset;
mbedAustin 11:cada08fc8a70 1231 #endif
mbedAustin 11:cada08fc8a70 1232 #if defined(MBEDTLS_CIPHER_MODE_CTR)
mbedAustin 11:cada08fc8a70 1233 int len;
mbedAustin 11:cada08fc8a70 1234 unsigned char nonce_counter[16];
mbedAustin 11:cada08fc8a70 1235 unsigned char stream_block[16];
mbedAustin 11:cada08fc8a70 1236 #endif
mbedAustin 11:cada08fc8a70 1237 mbedtls_aes_context ctx;
mbedAustin 11:cada08fc8a70 1238
mbedAustin 11:cada08fc8a70 1239 memset( key, 0, 32 );
mbedAustin 11:cada08fc8a70 1240 mbedtls_aes_init( &ctx );
mbedAustin 11:cada08fc8a70 1241
mbedAustin 11:cada08fc8a70 1242 /*
mbedAustin 11:cada08fc8a70 1243 * ECB mode
mbedAustin 11:cada08fc8a70 1244 */
mbedAustin 11:cada08fc8a70 1245 for( i = 0; i < 6; i++ )
mbedAustin 11:cada08fc8a70 1246 {
mbedAustin 11:cada08fc8a70 1247 u = i >> 1;
mbedAustin 11:cada08fc8a70 1248 v = i & 1;
mbedAustin 11:cada08fc8a70 1249
mbedAustin 11:cada08fc8a70 1250 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1251 mbedtls_printf( " AES-ECB-%3d (%s): ", 128 + u * 64,
mbedAustin 11:cada08fc8a70 1252 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
mbedAustin 11:cada08fc8a70 1253
mbedAustin 11:cada08fc8a70 1254 memset( buf, 0, 16 );
mbedAustin 11:cada08fc8a70 1255
mbedAustin 11:cada08fc8a70 1256 if( v == MBEDTLS_AES_DECRYPT )
mbedAustin 11:cada08fc8a70 1257 {
mbedAustin 11:cada08fc8a70 1258 mbedtls_aes_setkey_dec( &ctx, key, 128 + u * 64 );
mbedAustin 11:cada08fc8a70 1259
mbedAustin 11:cada08fc8a70 1260 for( j = 0; j < 10000; j++ )
mbedAustin 11:cada08fc8a70 1261 mbedtls_aes_crypt_ecb( &ctx, v, buf, buf );
mbedAustin 11:cada08fc8a70 1262
mbedAustin 11:cada08fc8a70 1263 if( memcmp( buf, aes_test_ecb_dec[u], 16 ) != 0 )
mbedAustin 11:cada08fc8a70 1264 {
mbedAustin 11:cada08fc8a70 1265 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1266 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 1267
mbedAustin 11:cada08fc8a70 1268 ret = 1;
mbedAustin 11:cada08fc8a70 1269 goto exit;
mbedAustin 11:cada08fc8a70 1270 }
mbedAustin 11:cada08fc8a70 1271 }
mbedAustin 11:cada08fc8a70 1272 else
mbedAustin 11:cada08fc8a70 1273 {
mbedAustin 11:cada08fc8a70 1274 mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
mbedAustin 11:cada08fc8a70 1275
mbedAustin 11:cada08fc8a70 1276 for( j = 0; j < 10000; j++ )
mbedAustin 11:cada08fc8a70 1277 mbedtls_aes_crypt_ecb( &ctx, v, buf, buf );
mbedAustin 11:cada08fc8a70 1278
mbedAustin 11:cada08fc8a70 1279 if( memcmp( buf, aes_test_ecb_enc[u], 16 ) != 0 )
mbedAustin 11:cada08fc8a70 1280 {
mbedAustin 11:cada08fc8a70 1281 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1282 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 1283
mbedAustin 11:cada08fc8a70 1284 ret = 1;
mbedAustin 11:cada08fc8a70 1285 goto exit;
mbedAustin 11:cada08fc8a70 1286 }
mbedAustin 11:cada08fc8a70 1287 }
mbedAustin 11:cada08fc8a70 1288
mbedAustin 11:cada08fc8a70 1289 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1290 mbedtls_printf( "passed\n" );
mbedAustin 11:cada08fc8a70 1291 }
mbedAustin 11:cada08fc8a70 1292
mbedAustin 11:cada08fc8a70 1293 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1294 mbedtls_printf( "\n" );
mbedAustin 11:cada08fc8a70 1295
mbedAustin 11:cada08fc8a70 1296 #if defined(MBEDTLS_CIPHER_MODE_CBC)
mbedAustin 11:cada08fc8a70 1297 /*
mbedAustin 11:cada08fc8a70 1298 * CBC mode
mbedAustin 11:cada08fc8a70 1299 */
mbedAustin 11:cada08fc8a70 1300 for( i = 0; i < 6; i++ )
mbedAustin 11:cada08fc8a70 1301 {
mbedAustin 11:cada08fc8a70 1302 u = i >> 1;
mbedAustin 11:cada08fc8a70 1303 v = i & 1;
mbedAustin 11:cada08fc8a70 1304
mbedAustin 11:cada08fc8a70 1305 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1306 mbedtls_printf( " AES-CBC-%3d (%s): ", 128 + u * 64,
mbedAustin 11:cada08fc8a70 1307 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
mbedAustin 11:cada08fc8a70 1308
mbedAustin 11:cada08fc8a70 1309 memset( iv , 0, 16 );
mbedAustin 11:cada08fc8a70 1310 memset( prv, 0, 16 );
mbedAustin 11:cada08fc8a70 1311 memset( buf, 0, 16 );
mbedAustin 11:cada08fc8a70 1312
mbedAustin 11:cada08fc8a70 1313 if( v == MBEDTLS_AES_DECRYPT )
mbedAustin 11:cada08fc8a70 1314 {
mbedAustin 11:cada08fc8a70 1315 mbedtls_aes_setkey_dec( &ctx, key, 128 + u * 64 );
mbedAustin 11:cada08fc8a70 1316
mbedAustin 11:cada08fc8a70 1317 for( j = 0; j < 10000; j++ )
mbedAustin 11:cada08fc8a70 1318 mbedtls_aes_crypt_cbc( &ctx, v, 16, iv, buf, buf );
mbedAustin 11:cada08fc8a70 1319
mbedAustin 11:cada08fc8a70 1320 if( memcmp( buf, aes_test_cbc_dec[u], 16 ) != 0 )
mbedAustin 11:cada08fc8a70 1321 {
mbedAustin 11:cada08fc8a70 1322 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1323 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 1324
mbedAustin 11:cada08fc8a70 1325 ret = 1;
mbedAustin 11:cada08fc8a70 1326 goto exit;
mbedAustin 11:cada08fc8a70 1327 }
mbedAustin 11:cada08fc8a70 1328 }
mbedAustin 11:cada08fc8a70 1329 else
mbedAustin 11:cada08fc8a70 1330 {
mbedAustin 11:cada08fc8a70 1331 mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
mbedAustin 11:cada08fc8a70 1332
mbedAustin 11:cada08fc8a70 1333 for( j = 0; j < 10000; j++ )
mbedAustin 11:cada08fc8a70 1334 {
mbedAustin 11:cada08fc8a70 1335 unsigned char tmp[16];
mbedAustin 11:cada08fc8a70 1336
mbedAustin 11:cada08fc8a70 1337 mbedtls_aes_crypt_cbc( &ctx, v, 16, iv, buf, buf );
mbedAustin 11:cada08fc8a70 1338
mbedAustin 11:cada08fc8a70 1339 memcpy( tmp, prv, 16 );
mbedAustin 11:cada08fc8a70 1340 memcpy( prv, buf, 16 );
mbedAustin 11:cada08fc8a70 1341 memcpy( buf, tmp, 16 );
mbedAustin 11:cada08fc8a70 1342 }
mbedAustin 11:cada08fc8a70 1343
mbedAustin 11:cada08fc8a70 1344 if( memcmp( prv, aes_test_cbc_enc[u], 16 ) != 0 )
mbedAustin 11:cada08fc8a70 1345 {
mbedAustin 11:cada08fc8a70 1346 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1347 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 1348
mbedAustin 11:cada08fc8a70 1349 ret = 1;
mbedAustin 11:cada08fc8a70 1350 goto exit;
mbedAustin 11:cada08fc8a70 1351 }
mbedAustin 11:cada08fc8a70 1352 }
mbedAustin 11:cada08fc8a70 1353
mbedAustin 11:cada08fc8a70 1354 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1355 mbedtls_printf( "passed\n" );
mbedAustin 11:cada08fc8a70 1356 }
mbedAustin 11:cada08fc8a70 1357
mbedAustin 11:cada08fc8a70 1358 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1359 mbedtls_printf( "\n" );
mbedAustin 11:cada08fc8a70 1360 #endif /* MBEDTLS_CIPHER_MODE_CBC */
mbedAustin 11:cada08fc8a70 1361
mbedAustin 11:cada08fc8a70 1362 #if defined(MBEDTLS_CIPHER_MODE_CFB)
mbedAustin 11:cada08fc8a70 1363 /*
mbedAustin 11:cada08fc8a70 1364 * CFB128 mode
mbedAustin 11:cada08fc8a70 1365 */
mbedAustin 11:cada08fc8a70 1366 for( i = 0; i < 6; i++ )
mbedAustin 11:cada08fc8a70 1367 {
mbedAustin 11:cada08fc8a70 1368 u = i >> 1;
mbedAustin 11:cada08fc8a70 1369 v = i & 1;
mbedAustin 11:cada08fc8a70 1370
mbedAustin 11:cada08fc8a70 1371 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1372 mbedtls_printf( " AES-CFB128-%3d (%s): ", 128 + u * 64,
mbedAustin 11:cada08fc8a70 1373 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
mbedAustin 11:cada08fc8a70 1374
mbedAustin 11:cada08fc8a70 1375 memcpy( iv, aes_test_cfb128_iv, 16 );
mbedAustin 11:cada08fc8a70 1376 memcpy( key, aes_test_cfb128_key[u], 16 + u * 8 );
mbedAustin 11:cada08fc8a70 1377
mbedAustin 11:cada08fc8a70 1378 offset = 0;
mbedAustin 11:cada08fc8a70 1379 mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
mbedAustin 11:cada08fc8a70 1380
mbedAustin 11:cada08fc8a70 1381 if( v == MBEDTLS_AES_DECRYPT )
mbedAustin 11:cada08fc8a70 1382 {
mbedAustin 11:cada08fc8a70 1383 memcpy( buf, aes_test_cfb128_ct[u], 64 );
mbedAustin 11:cada08fc8a70 1384 mbedtls_aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
mbedAustin 11:cada08fc8a70 1385
mbedAustin 11:cada08fc8a70 1386 if( memcmp( buf, aes_test_cfb128_pt, 64 ) != 0 )
mbedAustin 11:cada08fc8a70 1387 {
mbedAustin 11:cada08fc8a70 1388 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1389 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 1390
mbedAustin 11:cada08fc8a70 1391 ret = 1;
mbedAustin 11:cada08fc8a70 1392 goto exit;
mbedAustin 11:cada08fc8a70 1393 }
mbedAustin 11:cada08fc8a70 1394 }
mbedAustin 11:cada08fc8a70 1395 else
mbedAustin 11:cada08fc8a70 1396 {
mbedAustin 11:cada08fc8a70 1397 memcpy( buf, aes_test_cfb128_pt, 64 );
mbedAustin 11:cada08fc8a70 1398 mbedtls_aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
mbedAustin 11:cada08fc8a70 1399
mbedAustin 11:cada08fc8a70 1400 if( memcmp( buf, aes_test_cfb128_ct[u], 64 ) != 0 )
mbedAustin 11:cada08fc8a70 1401 {
mbedAustin 11:cada08fc8a70 1402 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1403 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 1404
mbedAustin 11:cada08fc8a70 1405 ret = 1;
mbedAustin 11:cada08fc8a70 1406 goto exit;
mbedAustin 11:cada08fc8a70 1407 }
mbedAustin 11:cada08fc8a70 1408 }
mbedAustin 11:cada08fc8a70 1409
mbedAustin 11:cada08fc8a70 1410 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1411 mbedtls_printf( "passed\n" );
mbedAustin 11:cada08fc8a70 1412 }
mbedAustin 11:cada08fc8a70 1413
mbedAustin 11:cada08fc8a70 1414 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1415 mbedtls_printf( "\n" );
mbedAustin 11:cada08fc8a70 1416 #endif /* MBEDTLS_CIPHER_MODE_CFB */
mbedAustin 11:cada08fc8a70 1417
mbedAustin 11:cada08fc8a70 1418 #if defined(MBEDTLS_CIPHER_MODE_CTR)
mbedAustin 11:cada08fc8a70 1419 /*
mbedAustin 11:cada08fc8a70 1420 * CTR mode
mbedAustin 11:cada08fc8a70 1421 */
mbedAustin 11:cada08fc8a70 1422 for( i = 0; i < 6; i++ )
mbedAustin 11:cada08fc8a70 1423 {
mbedAustin 11:cada08fc8a70 1424 u = i >> 1;
mbedAustin 11:cada08fc8a70 1425 v = i & 1;
mbedAustin 11:cada08fc8a70 1426
mbedAustin 11:cada08fc8a70 1427 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1428 mbedtls_printf( " AES-CTR-128 (%s): ",
mbedAustin 11:cada08fc8a70 1429 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
mbedAustin 11:cada08fc8a70 1430
mbedAustin 11:cada08fc8a70 1431 memcpy( nonce_counter, aes_test_ctr_nonce_counter[u], 16 );
mbedAustin 11:cada08fc8a70 1432 memcpy( key, aes_test_ctr_key[u], 16 );
mbedAustin 11:cada08fc8a70 1433
mbedAustin 11:cada08fc8a70 1434 offset = 0;
mbedAustin 11:cada08fc8a70 1435 mbedtls_aes_setkey_enc( &ctx, key, 128 );
mbedAustin 11:cada08fc8a70 1436
mbedAustin 11:cada08fc8a70 1437 if( v == MBEDTLS_AES_DECRYPT )
mbedAustin 11:cada08fc8a70 1438 {
mbedAustin 11:cada08fc8a70 1439 len = aes_test_ctr_len[u];
mbedAustin 11:cada08fc8a70 1440 memcpy( buf, aes_test_ctr_ct[u], len );
mbedAustin 11:cada08fc8a70 1441
mbedAustin 11:cada08fc8a70 1442 mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
mbedAustin 11:cada08fc8a70 1443 buf, buf );
mbedAustin 11:cada08fc8a70 1444
mbedAustin 11:cada08fc8a70 1445 if( memcmp( buf, aes_test_ctr_pt[u], len ) != 0 )
mbedAustin 11:cada08fc8a70 1446 {
mbedAustin 11:cada08fc8a70 1447 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1448 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 1449
mbedAustin 11:cada08fc8a70 1450 ret = 1;
mbedAustin 11:cada08fc8a70 1451 goto exit;
mbedAustin 11:cada08fc8a70 1452 }
mbedAustin 11:cada08fc8a70 1453 }
mbedAustin 11:cada08fc8a70 1454 else
mbedAustin 11:cada08fc8a70 1455 {
mbedAustin 11:cada08fc8a70 1456 len = aes_test_ctr_len[u];
mbedAustin 11:cada08fc8a70 1457 memcpy( buf, aes_test_ctr_pt[u], len );
mbedAustin 11:cada08fc8a70 1458
mbedAustin 11:cada08fc8a70 1459 mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
mbedAustin 11:cada08fc8a70 1460 buf, buf );
mbedAustin 11:cada08fc8a70 1461
mbedAustin 11:cada08fc8a70 1462 if( memcmp( buf, aes_test_ctr_ct[u], len ) != 0 )
mbedAustin 11:cada08fc8a70 1463 {
mbedAustin 11:cada08fc8a70 1464 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1465 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 1466
mbedAustin 11:cada08fc8a70 1467 ret = 1;
mbedAustin 11:cada08fc8a70 1468 goto exit;
mbedAustin 11:cada08fc8a70 1469 }
mbedAustin 11:cada08fc8a70 1470 }
mbedAustin 11:cada08fc8a70 1471
mbedAustin 11:cada08fc8a70 1472 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1473 mbedtls_printf( "passed\n" );
mbedAustin 11:cada08fc8a70 1474 }
mbedAustin 11:cada08fc8a70 1475
mbedAustin 11:cada08fc8a70 1476 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 1477 mbedtls_printf( "\n" );
mbedAustin 11:cada08fc8a70 1478 #endif /* MBEDTLS_CIPHER_MODE_CTR */
mbedAustin 11:cada08fc8a70 1479
mbedAustin 11:cada08fc8a70 1480 ret = 0;
mbedAustin 11:cada08fc8a70 1481
mbedAustin 11:cada08fc8a70 1482 exit:
mbedAustin 11:cada08fc8a70 1483 mbedtls_aes_free( &ctx );
mbedAustin 11:cada08fc8a70 1484
mbedAustin 11:cada08fc8a70 1485 return( ret );
mbedAustin 11:cada08fc8a70 1486 }
mbedAustin 11:cada08fc8a70 1487
mbedAustin 11:cada08fc8a70 1488 #endif /* MBEDTLS_SELF_TEST */
mbedAustin 11:cada08fc8a70 1489
mbedAustin 11:cada08fc8a70 1490 #endif /* MBEDTLS_AES_C */