I added functionality to get the RSSI, BER, and Cell Neighbor for reporting connection issues to M2X
Dependencies: WncControllerK64F
mbedtls/source/aes.c@18:198e9b0acf11, 2016-11-17 (annotated)
- Committer:
- JMF
- Date:
- Thu Nov 17 16:13:29 2016 +0000
- Revision:
- 18:198e9b0acf11
- Parent:
- 12:0071cb144c7a
Updates to mbed os resulted in mutex.h going away and rtos.h needed to be used; This fixes the Mutex typedef failure. Also cast data buffers from 'char *' to (const std::uint8_t*) to conform with Fred's changes in WncController
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
JMF | 12:0071cb144c7a | 1 | /* |
JMF | 12:0071cb144c7a | 2 | * FIPS-197 compliant AES implementation |
JMF | 12:0071cb144c7a | 3 | * |
JMF | 12:0071cb144c7a | 4 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
JMF | 12:0071cb144c7a | 5 | * SPDX-License-Identifier: Apache-2.0 |
JMF | 12:0071cb144c7a | 6 | * |
JMF | 12:0071cb144c7a | 7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
JMF | 12:0071cb144c7a | 8 | * not use this file except in compliance with the License. |
JMF | 12:0071cb144c7a | 9 | * You may obtain a copy of the License at |
JMF | 12:0071cb144c7a | 10 | * |
JMF | 12:0071cb144c7a | 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
JMF | 12:0071cb144c7a | 12 | * |
JMF | 12:0071cb144c7a | 13 | * Unless required by applicable law or agreed to in writing, software |
JMF | 12:0071cb144c7a | 14 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
JMF | 12:0071cb144c7a | 15 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
JMF | 12:0071cb144c7a | 16 | * See the License for the specific language governing permissions and |
JMF | 12:0071cb144c7a | 17 | * limitations under the License. |
JMF | 12:0071cb144c7a | 18 | * |
JMF | 12:0071cb144c7a | 19 | * This file is part of mbed TLS (https://tls.mbed.org) |
JMF | 12:0071cb144c7a | 20 | */ |
JMF | 12:0071cb144c7a | 21 | /* |
JMF | 12:0071cb144c7a | 22 | * The AES block cipher was designed by Vincent Rijmen and Joan Daemen. |
JMF | 12:0071cb144c7a | 23 | * |
JMF | 12:0071cb144c7a | 24 | * http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf |
JMF | 12:0071cb144c7a | 25 | * http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf |
JMF | 12:0071cb144c7a | 26 | */ |
JMF | 12:0071cb144c7a | 27 | |
JMF | 12:0071cb144c7a | 28 | #if !defined(MBEDTLS_CONFIG_FILE) |
JMF | 12:0071cb144c7a | 29 | #include "mbedtls/config.h" |
JMF | 12:0071cb144c7a | 30 | #else |
JMF | 12:0071cb144c7a | 31 | #include MBEDTLS_CONFIG_FILE |
JMF | 12:0071cb144c7a | 32 | #endif |
JMF | 12:0071cb144c7a | 33 | |
JMF | 12:0071cb144c7a | 34 | #if defined(MBEDTLS_AES_C) |
JMF | 12:0071cb144c7a | 35 | |
JMF | 12:0071cb144c7a | 36 | #include <string.h> |
JMF | 12:0071cb144c7a | 37 | |
JMF | 12:0071cb144c7a | 38 | #include "mbedtls/aes.h" |
JMF | 12:0071cb144c7a | 39 | #if defined(MBEDTLS_PADLOCK_C) |
JMF | 12:0071cb144c7a | 40 | #include "mbedtls/padlock.h" |
JMF | 12:0071cb144c7a | 41 | #endif |
JMF | 12:0071cb144c7a | 42 | #if defined(MBEDTLS_AESNI_C) |
JMF | 12:0071cb144c7a | 43 | #include "mbedtls/aesni.h" |
JMF | 12:0071cb144c7a | 44 | #endif |
JMF | 12:0071cb144c7a | 45 | |
JMF | 12:0071cb144c7a | 46 | #if defined(MBEDTLS_SELF_TEST) |
JMF | 12:0071cb144c7a | 47 | #if defined(MBEDTLS_PLATFORM_C) |
JMF | 12:0071cb144c7a | 48 | #include "mbedtls/platform.h" |
JMF | 12:0071cb144c7a | 49 | #else |
JMF | 12:0071cb144c7a | 50 | #include <stdio.h> |
JMF | 12:0071cb144c7a | 51 | #define mbedtls_printf printf |
JMF | 12:0071cb144c7a | 52 | #endif /* MBEDTLS_PLATFORM_C */ |
JMF | 12:0071cb144c7a | 53 | #endif /* MBEDTLS_SELF_TEST */ |
JMF | 12:0071cb144c7a | 54 | |
JMF | 12:0071cb144c7a | 55 | #if !defined(MBEDTLS_AES_ALT) |
JMF | 12:0071cb144c7a | 56 | |
JMF | 12:0071cb144c7a | 57 | /* Implementation that should never be optimized out by the compiler */ |
JMF | 12:0071cb144c7a | 58 | static void mbedtls_zeroize( void *v, size_t n ) { |
JMF | 12:0071cb144c7a | 59 | volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0; |
JMF | 12:0071cb144c7a | 60 | } |
JMF | 12:0071cb144c7a | 61 | |
JMF | 12:0071cb144c7a | 62 | /* |
JMF | 12:0071cb144c7a | 63 | * 32-bit integer manipulation macros (little endian) |
JMF | 12:0071cb144c7a | 64 | */ |
JMF | 12:0071cb144c7a | 65 | #ifndef GET_UINT32_LE |
JMF | 12:0071cb144c7a | 66 | #define GET_UINT32_LE(n,b,i) \ |
JMF | 12:0071cb144c7a | 67 | { \ |
JMF | 12:0071cb144c7a | 68 | (n) = ( (uint32_t) (b)[(i) ] ) \ |
JMF | 12:0071cb144c7a | 69 | | ( (uint32_t) (b)[(i) + 1] << 8 ) \ |
JMF | 12:0071cb144c7a | 70 | | ( (uint32_t) (b)[(i) + 2] << 16 ) \ |
JMF | 12:0071cb144c7a | 71 | | ( (uint32_t) (b)[(i) + 3] << 24 ); \ |
JMF | 12:0071cb144c7a | 72 | } |
JMF | 12:0071cb144c7a | 73 | #endif |
JMF | 12:0071cb144c7a | 74 | |
JMF | 12:0071cb144c7a | 75 | #ifndef PUT_UINT32_LE |
JMF | 12:0071cb144c7a | 76 | #define PUT_UINT32_LE(n,b,i) \ |
JMF | 12:0071cb144c7a | 77 | { \ |
JMF | 12:0071cb144c7a | 78 | (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \ |
JMF | 12:0071cb144c7a | 79 | (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \ |
JMF | 12:0071cb144c7a | 80 | (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \ |
JMF | 12:0071cb144c7a | 81 | (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \ |
JMF | 12:0071cb144c7a | 82 | } |
JMF | 12:0071cb144c7a | 83 | #endif |
JMF | 12:0071cb144c7a | 84 | |
JMF | 12:0071cb144c7a | 85 | #if defined(MBEDTLS_PADLOCK_C) && \ |
JMF | 12:0071cb144c7a | 86 | ( defined(MBEDTLS_HAVE_X86) || defined(MBEDTLS_PADLOCK_ALIGN16) ) |
JMF | 12:0071cb144c7a | 87 | static int aes_padlock_ace = -1; |
JMF | 12:0071cb144c7a | 88 | #endif |
JMF | 12:0071cb144c7a | 89 | |
JMF | 12:0071cb144c7a | 90 | #if defined(MBEDTLS_AES_ROM_TABLES) |
JMF | 12:0071cb144c7a | 91 | /* |
JMF | 12:0071cb144c7a | 92 | * Forward S-box |
JMF | 12:0071cb144c7a | 93 | */ |
JMF | 12:0071cb144c7a | 94 | static const unsigned char FSb[256] = |
JMF | 12:0071cb144c7a | 95 | { |
JMF | 12:0071cb144c7a | 96 | 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, |
JMF | 12:0071cb144c7a | 97 | 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, |
JMF | 12:0071cb144c7a | 98 | 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, |
JMF | 12:0071cb144c7a | 99 | 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, |
JMF | 12:0071cb144c7a | 100 | 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, |
JMF | 12:0071cb144c7a | 101 | 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, |
JMF | 12:0071cb144c7a | 102 | 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, |
JMF | 12:0071cb144c7a | 103 | 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, |
JMF | 12:0071cb144c7a | 104 | 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, |
JMF | 12:0071cb144c7a | 105 | 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, |
JMF | 12:0071cb144c7a | 106 | 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, |
JMF | 12:0071cb144c7a | 107 | 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, |
JMF | 12:0071cb144c7a | 108 | 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, |
JMF | 12:0071cb144c7a | 109 | 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, |
JMF | 12:0071cb144c7a | 110 | 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, |
JMF | 12:0071cb144c7a | 111 | 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, |
JMF | 12:0071cb144c7a | 112 | 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, |
JMF | 12:0071cb144c7a | 113 | 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, |
JMF | 12:0071cb144c7a | 114 | 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, |
JMF | 12:0071cb144c7a | 115 | 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, |
JMF | 12:0071cb144c7a | 116 | 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, |
JMF | 12:0071cb144c7a | 117 | 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, |
JMF | 12:0071cb144c7a | 118 | 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, |
JMF | 12:0071cb144c7a | 119 | 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, |
JMF | 12:0071cb144c7a | 120 | 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, |
JMF | 12:0071cb144c7a | 121 | 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, |
JMF | 12:0071cb144c7a | 122 | 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, |
JMF | 12:0071cb144c7a | 123 | 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, |
JMF | 12:0071cb144c7a | 124 | 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, |
JMF | 12:0071cb144c7a | 125 | 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, |
JMF | 12:0071cb144c7a | 126 | 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, |
JMF | 12:0071cb144c7a | 127 | 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16 |
JMF | 12:0071cb144c7a | 128 | }; |
JMF | 12:0071cb144c7a | 129 | |
JMF | 12:0071cb144c7a | 130 | /* |
JMF | 12:0071cb144c7a | 131 | * Forward tables |
JMF | 12:0071cb144c7a | 132 | */ |
JMF | 12:0071cb144c7a | 133 | #define FT \ |
JMF | 12:0071cb144c7a | 134 | \ |
JMF | 12:0071cb144c7a | 135 | V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \ |
JMF | 12:0071cb144c7a | 136 | V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \ |
JMF | 12:0071cb144c7a | 137 | V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \ |
JMF | 12:0071cb144c7a | 138 | V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \ |
JMF | 12:0071cb144c7a | 139 | V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \ |
JMF | 12:0071cb144c7a | 140 | V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \ |
JMF | 12:0071cb144c7a | 141 | V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \ |
JMF | 12:0071cb144c7a | 142 | V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \ |
JMF | 12:0071cb144c7a | 143 | V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \ |
JMF | 12:0071cb144c7a | 144 | V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \ |
JMF | 12:0071cb144c7a | 145 | V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \ |
JMF | 12:0071cb144c7a | 146 | V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \ |
JMF | 12:0071cb144c7a | 147 | V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \ |
JMF | 12:0071cb144c7a | 148 | V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \ |
JMF | 12:0071cb144c7a | 149 | V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \ |
JMF | 12:0071cb144c7a | 150 | V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \ |
JMF | 12:0071cb144c7a | 151 | V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \ |
JMF | 12:0071cb144c7a | 152 | V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \ |
JMF | 12:0071cb144c7a | 153 | V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \ |
JMF | 12:0071cb144c7a | 154 | V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \ |
JMF | 12:0071cb144c7a | 155 | V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \ |
JMF | 12:0071cb144c7a | 156 | V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \ |
JMF | 12:0071cb144c7a | 157 | V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \ |
JMF | 12:0071cb144c7a | 158 | V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \ |
JMF | 12:0071cb144c7a | 159 | V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \ |
JMF | 12:0071cb144c7a | 160 | V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \ |
JMF | 12:0071cb144c7a | 161 | V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \ |
JMF | 12:0071cb144c7a | 162 | V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \ |
JMF | 12:0071cb144c7a | 163 | V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \ |
JMF | 12:0071cb144c7a | 164 | V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \ |
JMF | 12:0071cb144c7a | 165 | V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \ |
JMF | 12:0071cb144c7a | 166 | V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \ |
JMF | 12:0071cb144c7a | 167 | V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \ |
JMF | 12:0071cb144c7a | 168 | V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \ |
JMF | 12:0071cb144c7a | 169 | V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \ |
JMF | 12:0071cb144c7a | 170 | V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \ |
JMF | 12:0071cb144c7a | 171 | V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \ |
JMF | 12:0071cb144c7a | 172 | V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \ |
JMF | 12:0071cb144c7a | 173 | V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \ |
JMF | 12:0071cb144c7a | 174 | V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \ |
JMF | 12:0071cb144c7a | 175 | V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \ |
JMF | 12:0071cb144c7a | 176 | V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \ |
JMF | 12:0071cb144c7a | 177 | V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \ |
JMF | 12:0071cb144c7a | 178 | V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \ |
JMF | 12:0071cb144c7a | 179 | V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \ |
JMF | 12:0071cb144c7a | 180 | V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \ |
JMF | 12:0071cb144c7a | 181 | V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \ |
JMF | 12:0071cb144c7a | 182 | V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \ |
JMF | 12:0071cb144c7a | 183 | V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \ |
JMF | 12:0071cb144c7a | 184 | V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \ |
JMF | 12:0071cb144c7a | 185 | V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \ |
JMF | 12:0071cb144c7a | 186 | V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \ |
JMF | 12:0071cb144c7a | 187 | V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \ |
JMF | 12:0071cb144c7a | 188 | V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \ |
JMF | 12:0071cb144c7a | 189 | V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \ |
JMF | 12:0071cb144c7a | 190 | V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \ |
JMF | 12:0071cb144c7a | 191 | V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \ |
JMF | 12:0071cb144c7a | 192 | V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \ |
JMF | 12:0071cb144c7a | 193 | V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \ |
JMF | 12:0071cb144c7a | 194 | V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \ |
JMF | 12:0071cb144c7a | 195 | V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \ |
JMF | 12:0071cb144c7a | 196 | V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \ |
JMF | 12:0071cb144c7a | 197 | V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \ |
JMF | 12:0071cb144c7a | 198 | V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C) |
JMF | 12:0071cb144c7a | 199 | |
JMF | 12:0071cb144c7a | 200 | #define V(a,b,c,d) 0x##a##b##c##d |
JMF | 12:0071cb144c7a | 201 | static const uint32_t FT0[256] = { FT }; |
JMF | 12:0071cb144c7a | 202 | #undef V |
JMF | 12:0071cb144c7a | 203 | |
JMF | 12:0071cb144c7a | 204 | #define V(a,b,c,d) 0x##b##c##d##a |
JMF | 12:0071cb144c7a | 205 | static const uint32_t FT1[256] = { FT }; |
JMF | 12:0071cb144c7a | 206 | #undef V |
JMF | 12:0071cb144c7a | 207 | |
JMF | 12:0071cb144c7a | 208 | #define V(a,b,c,d) 0x##c##d##a##b |
JMF | 12:0071cb144c7a | 209 | static const uint32_t FT2[256] = { FT }; |
JMF | 12:0071cb144c7a | 210 | #undef V |
JMF | 12:0071cb144c7a | 211 | |
JMF | 12:0071cb144c7a | 212 | #define V(a,b,c,d) 0x##d##a##b##c |
JMF | 12:0071cb144c7a | 213 | static const uint32_t FT3[256] = { FT }; |
JMF | 12:0071cb144c7a | 214 | #undef V |
JMF | 12:0071cb144c7a | 215 | |
JMF | 12:0071cb144c7a | 216 | #undef FT |
JMF | 12:0071cb144c7a | 217 | |
JMF | 12:0071cb144c7a | 218 | /* |
JMF | 12:0071cb144c7a | 219 | * Reverse S-box |
JMF | 12:0071cb144c7a | 220 | */ |
JMF | 12:0071cb144c7a | 221 | static const unsigned char RSb[256] = |
JMF | 12:0071cb144c7a | 222 | { |
JMF | 12:0071cb144c7a | 223 | 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, |
JMF | 12:0071cb144c7a | 224 | 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, |
JMF | 12:0071cb144c7a | 225 | 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, |
JMF | 12:0071cb144c7a | 226 | 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, |
JMF | 12:0071cb144c7a | 227 | 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, |
JMF | 12:0071cb144c7a | 228 | 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, |
JMF | 12:0071cb144c7a | 229 | 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, |
JMF | 12:0071cb144c7a | 230 | 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, |
JMF | 12:0071cb144c7a | 231 | 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, |
JMF | 12:0071cb144c7a | 232 | 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, |
JMF | 12:0071cb144c7a | 233 | 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, |
JMF | 12:0071cb144c7a | 234 | 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, |
JMF | 12:0071cb144c7a | 235 | 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, |
JMF | 12:0071cb144c7a | 236 | 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, |
JMF | 12:0071cb144c7a | 237 | 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, |
JMF | 12:0071cb144c7a | 238 | 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, |
JMF | 12:0071cb144c7a | 239 | 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, |
JMF | 12:0071cb144c7a | 240 | 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, |
JMF | 12:0071cb144c7a | 241 | 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, |
JMF | 12:0071cb144c7a | 242 | 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, |
JMF | 12:0071cb144c7a | 243 | 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, |
JMF | 12:0071cb144c7a | 244 | 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, |
JMF | 12:0071cb144c7a | 245 | 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, |
JMF | 12:0071cb144c7a | 246 | 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, |
JMF | 12:0071cb144c7a | 247 | 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, |
JMF | 12:0071cb144c7a | 248 | 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, |
JMF | 12:0071cb144c7a | 249 | 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, |
JMF | 12:0071cb144c7a | 250 | 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, |
JMF | 12:0071cb144c7a | 251 | 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, |
JMF | 12:0071cb144c7a | 252 | 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, |
JMF | 12:0071cb144c7a | 253 | 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, |
JMF | 12:0071cb144c7a | 254 | 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D |
JMF | 12:0071cb144c7a | 255 | }; |
JMF | 12:0071cb144c7a | 256 | |
JMF | 12:0071cb144c7a | 257 | /* |
JMF | 12:0071cb144c7a | 258 | * Reverse tables |
JMF | 12:0071cb144c7a | 259 | */ |
JMF | 12:0071cb144c7a | 260 | #define RT \ |
JMF | 12:0071cb144c7a | 261 | \ |
JMF | 12:0071cb144c7a | 262 | V(50,A7,F4,51), V(53,65,41,7E), V(C3,A4,17,1A), V(96,5E,27,3A), \ |
JMF | 12:0071cb144c7a | 263 | V(CB,6B,AB,3B), V(F1,45,9D,1F), V(AB,58,FA,AC), V(93,03,E3,4B), \ |
JMF | 12:0071cb144c7a | 264 | V(55,FA,30,20), V(F6,6D,76,AD), V(91,76,CC,88), V(25,4C,02,F5), \ |
JMF | 12:0071cb144c7a | 265 | V(FC,D7,E5,4F), V(D7,CB,2A,C5), V(80,44,35,26), V(8F,A3,62,B5), \ |
JMF | 12:0071cb144c7a | 266 | V(49,5A,B1,DE), V(67,1B,BA,25), V(98,0E,EA,45), V(E1,C0,FE,5D), \ |
JMF | 12:0071cb144c7a | 267 | V(02,75,2F,C3), V(12,F0,4C,81), V(A3,97,46,8D), V(C6,F9,D3,6B), \ |
JMF | 12:0071cb144c7a | 268 | V(E7,5F,8F,03), V(95,9C,92,15), V(EB,7A,6D,BF), V(DA,59,52,95), \ |
JMF | 12:0071cb144c7a | 269 | V(2D,83,BE,D4), V(D3,21,74,58), V(29,69,E0,49), V(44,C8,C9,8E), \ |
JMF | 12:0071cb144c7a | 270 | V(6A,89,C2,75), V(78,79,8E,F4), V(6B,3E,58,99), V(DD,71,B9,27), \ |
JMF | 12:0071cb144c7a | 271 | V(B6,4F,E1,BE), V(17,AD,88,F0), V(66,AC,20,C9), V(B4,3A,CE,7D), \ |
JMF | 12:0071cb144c7a | 272 | V(18,4A,DF,63), V(82,31,1A,E5), V(60,33,51,97), V(45,7F,53,62), \ |
JMF | 12:0071cb144c7a | 273 | V(E0,77,64,B1), V(84,AE,6B,BB), V(1C,A0,81,FE), V(94,2B,08,F9), \ |
JMF | 12:0071cb144c7a | 274 | V(58,68,48,70), V(19,FD,45,8F), V(87,6C,DE,94), V(B7,F8,7B,52), \ |
JMF | 12:0071cb144c7a | 275 | V(23,D3,73,AB), V(E2,02,4B,72), V(57,8F,1F,E3), V(2A,AB,55,66), \ |
JMF | 12:0071cb144c7a | 276 | V(07,28,EB,B2), V(03,C2,B5,2F), V(9A,7B,C5,86), V(A5,08,37,D3), \ |
JMF | 12:0071cb144c7a | 277 | V(F2,87,28,30), V(B2,A5,BF,23), V(BA,6A,03,02), V(5C,82,16,ED), \ |
JMF | 12:0071cb144c7a | 278 | V(2B,1C,CF,8A), V(92,B4,79,A7), V(F0,F2,07,F3), V(A1,E2,69,4E), \ |
JMF | 12:0071cb144c7a | 279 | V(CD,F4,DA,65), V(D5,BE,05,06), V(1F,62,34,D1), V(8A,FE,A6,C4), \ |
JMF | 12:0071cb144c7a | 280 | V(9D,53,2E,34), V(A0,55,F3,A2), V(32,E1,8A,05), V(75,EB,F6,A4), \ |
JMF | 12:0071cb144c7a | 281 | V(39,EC,83,0B), V(AA,EF,60,40), V(06,9F,71,5E), V(51,10,6E,BD), \ |
JMF | 12:0071cb144c7a | 282 | V(F9,8A,21,3E), V(3D,06,DD,96), V(AE,05,3E,DD), V(46,BD,E6,4D), \ |
JMF | 12:0071cb144c7a | 283 | V(B5,8D,54,91), V(05,5D,C4,71), V(6F,D4,06,04), V(FF,15,50,60), \ |
JMF | 12:0071cb144c7a | 284 | V(24,FB,98,19), V(97,E9,BD,D6), V(CC,43,40,89), V(77,9E,D9,67), \ |
JMF | 12:0071cb144c7a | 285 | V(BD,42,E8,B0), V(88,8B,89,07), V(38,5B,19,E7), V(DB,EE,C8,79), \ |
JMF | 12:0071cb144c7a | 286 | V(47,0A,7C,A1), V(E9,0F,42,7C), V(C9,1E,84,F8), V(00,00,00,00), \ |
JMF | 12:0071cb144c7a | 287 | V(83,86,80,09), V(48,ED,2B,32), V(AC,70,11,1E), V(4E,72,5A,6C), \ |
JMF | 12:0071cb144c7a | 288 | V(FB,FF,0E,FD), V(56,38,85,0F), V(1E,D5,AE,3D), V(27,39,2D,36), \ |
JMF | 12:0071cb144c7a | 289 | V(64,D9,0F,0A), V(21,A6,5C,68), V(D1,54,5B,9B), V(3A,2E,36,24), \ |
JMF | 12:0071cb144c7a | 290 | V(B1,67,0A,0C), V(0F,E7,57,93), V(D2,96,EE,B4), V(9E,91,9B,1B), \ |
JMF | 12:0071cb144c7a | 291 | V(4F,C5,C0,80), V(A2,20,DC,61), V(69,4B,77,5A), V(16,1A,12,1C), \ |
JMF | 12:0071cb144c7a | 292 | V(0A,BA,93,E2), V(E5,2A,A0,C0), V(43,E0,22,3C), V(1D,17,1B,12), \ |
JMF | 12:0071cb144c7a | 293 | V(0B,0D,09,0E), V(AD,C7,8B,F2), V(B9,A8,B6,2D), V(C8,A9,1E,14), \ |
JMF | 12:0071cb144c7a | 294 | V(85,19,F1,57), V(4C,07,75,AF), V(BB,DD,99,EE), V(FD,60,7F,A3), \ |
JMF | 12:0071cb144c7a | 295 | V(9F,26,01,F7), V(BC,F5,72,5C), V(C5,3B,66,44), V(34,7E,FB,5B), \ |
JMF | 12:0071cb144c7a | 296 | V(76,29,43,8B), V(DC,C6,23,CB), V(68,FC,ED,B6), V(63,F1,E4,B8), \ |
JMF | 12:0071cb144c7a | 297 | V(CA,DC,31,D7), V(10,85,63,42), V(40,22,97,13), V(20,11,C6,84), \ |
JMF | 12:0071cb144c7a | 298 | V(7D,24,4A,85), V(F8,3D,BB,D2), V(11,32,F9,AE), V(6D,A1,29,C7), \ |
JMF | 12:0071cb144c7a | 299 | V(4B,2F,9E,1D), V(F3,30,B2,DC), V(EC,52,86,0D), V(D0,E3,C1,77), \ |
JMF | 12:0071cb144c7a | 300 | V(6C,16,B3,2B), V(99,B9,70,A9), V(FA,48,94,11), V(22,64,E9,47), \ |
JMF | 12:0071cb144c7a | 301 | V(C4,8C,FC,A8), V(1A,3F,F0,A0), V(D8,2C,7D,56), V(EF,90,33,22), \ |
JMF | 12:0071cb144c7a | 302 | V(C7,4E,49,87), V(C1,D1,38,D9), V(FE,A2,CA,8C), V(36,0B,D4,98), \ |
JMF | 12:0071cb144c7a | 303 | V(CF,81,F5,A6), V(28,DE,7A,A5), V(26,8E,B7,DA), V(A4,BF,AD,3F), \ |
JMF | 12:0071cb144c7a | 304 | V(E4,9D,3A,2C), V(0D,92,78,50), V(9B,CC,5F,6A), V(62,46,7E,54), \ |
JMF | 12:0071cb144c7a | 305 | V(C2,13,8D,F6), V(E8,B8,D8,90), V(5E,F7,39,2E), V(F5,AF,C3,82), \ |
JMF | 12:0071cb144c7a | 306 | V(BE,80,5D,9F), V(7C,93,D0,69), V(A9,2D,D5,6F), V(B3,12,25,CF), \ |
JMF | 12:0071cb144c7a | 307 | V(3B,99,AC,C8), V(A7,7D,18,10), V(6E,63,9C,E8), V(7B,BB,3B,DB), \ |
JMF | 12:0071cb144c7a | 308 | V(09,78,26,CD), V(F4,18,59,6E), V(01,B7,9A,EC), V(A8,9A,4F,83), \ |
JMF | 12:0071cb144c7a | 309 | V(65,6E,95,E6), V(7E,E6,FF,AA), V(08,CF,BC,21), V(E6,E8,15,EF), \ |
JMF | 12:0071cb144c7a | 310 | V(D9,9B,E7,BA), V(CE,36,6F,4A), V(D4,09,9F,EA), V(D6,7C,B0,29), \ |
JMF | 12:0071cb144c7a | 311 | V(AF,B2,A4,31), V(31,23,3F,2A), V(30,94,A5,C6), V(C0,66,A2,35), \ |
JMF | 12:0071cb144c7a | 312 | V(37,BC,4E,74), V(A6,CA,82,FC), V(B0,D0,90,E0), V(15,D8,A7,33), \ |
JMF | 12:0071cb144c7a | 313 | V(4A,98,04,F1), V(F7,DA,EC,41), V(0E,50,CD,7F), V(2F,F6,91,17), \ |
JMF | 12:0071cb144c7a | 314 | V(8D,D6,4D,76), V(4D,B0,EF,43), V(54,4D,AA,CC), V(DF,04,96,E4), \ |
JMF | 12:0071cb144c7a | 315 | V(E3,B5,D1,9E), V(1B,88,6A,4C), V(B8,1F,2C,C1), V(7F,51,65,46), \ |
JMF | 12:0071cb144c7a | 316 | V(04,EA,5E,9D), V(5D,35,8C,01), V(73,74,87,FA), V(2E,41,0B,FB), \ |
JMF | 12:0071cb144c7a | 317 | V(5A,1D,67,B3), V(52,D2,DB,92), V(33,56,10,E9), V(13,47,D6,6D), \ |
JMF | 12:0071cb144c7a | 318 | V(8C,61,D7,9A), V(7A,0C,A1,37), V(8E,14,F8,59), V(89,3C,13,EB), \ |
JMF | 12:0071cb144c7a | 319 | V(EE,27,A9,CE), V(35,C9,61,B7), V(ED,E5,1C,E1), V(3C,B1,47,7A), \ |
JMF | 12:0071cb144c7a | 320 | V(59,DF,D2,9C), V(3F,73,F2,55), V(79,CE,14,18), V(BF,37,C7,73), \ |
JMF | 12:0071cb144c7a | 321 | V(EA,CD,F7,53), V(5B,AA,FD,5F), V(14,6F,3D,DF), V(86,DB,44,78), \ |
JMF | 12:0071cb144c7a | 322 | V(81,F3,AF,CA), V(3E,C4,68,B9), V(2C,34,24,38), V(5F,40,A3,C2), \ |
JMF | 12:0071cb144c7a | 323 | V(72,C3,1D,16), V(0C,25,E2,BC), V(8B,49,3C,28), V(41,95,0D,FF), \ |
JMF | 12:0071cb144c7a | 324 | V(71,01,A8,39), V(DE,B3,0C,08), V(9C,E4,B4,D8), V(90,C1,56,64), \ |
JMF | 12:0071cb144c7a | 325 | V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0) |
JMF | 12:0071cb144c7a | 326 | |
JMF | 12:0071cb144c7a | 327 | #define V(a,b,c,d) 0x##a##b##c##d |
JMF | 12:0071cb144c7a | 328 | static const uint32_t RT0[256] = { RT }; |
JMF | 12:0071cb144c7a | 329 | #undef V |
JMF | 12:0071cb144c7a | 330 | |
JMF | 12:0071cb144c7a | 331 | #define V(a,b,c,d) 0x##b##c##d##a |
JMF | 12:0071cb144c7a | 332 | static const uint32_t RT1[256] = { RT }; |
JMF | 12:0071cb144c7a | 333 | #undef V |
JMF | 12:0071cb144c7a | 334 | |
JMF | 12:0071cb144c7a | 335 | #define V(a,b,c,d) 0x##c##d##a##b |
JMF | 12:0071cb144c7a | 336 | static const uint32_t RT2[256] = { RT }; |
JMF | 12:0071cb144c7a | 337 | #undef V |
JMF | 12:0071cb144c7a | 338 | |
JMF | 12:0071cb144c7a | 339 | #define V(a,b,c,d) 0x##d##a##b##c |
JMF | 12:0071cb144c7a | 340 | static const uint32_t RT3[256] = { RT }; |
JMF | 12:0071cb144c7a | 341 | #undef V |
JMF | 12:0071cb144c7a | 342 | |
JMF | 12:0071cb144c7a | 343 | #undef RT |
JMF | 12:0071cb144c7a | 344 | |
JMF | 12:0071cb144c7a | 345 | /* |
JMF | 12:0071cb144c7a | 346 | * Round constants |
JMF | 12:0071cb144c7a | 347 | */ |
JMF | 12:0071cb144c7a | 348 | static const uint32_t RCON[10] = |
JMF | 12:0071cb144c7a | 349 | { |
JMF | 12:0071cb144c7a | 350 | 0x00000001, 0x00000002, 0x00000004, 0x00000008, |
JMF | 12:0071cb144c7a | 351 | 0x00000010, 0x00000020, 0x00000040, 0x00000080, |
JMF | 12:0071cb144c7a | 352 | 0x0000001B, 0x00000036 |
JMF | 12:0071cb144c7a | 353 | }; |
JMF | 12:0071cb144c7a | 354 | |
JMF | 12:0071cb144c7a | 355 | #else /* MBEDTLS_AES_ROM_TABLES */ |
JMF | 12:0071cb144c7a | 356 | |
JMF | 12:0071cb144c7a | 357 | /* |
JMF | 12:0071cb144c7a | 358 | * Forward S-box & tables |
JMF | 12:0071cb144c7a | 359 | */ |
JMF | 12:0071cb144c7a | 360 | static unsigned char FSb[256]; |
JMF | 12:0071cb144c7a | 361 | static uint32_t FT0[256]; |
JMF | 12:0071cb144c7a | 362 | static uint32_t FT1[256]; |
JMF | 12:0071cb144c7a | 363 | static uint32_t FT2[256]; |
JMF | 12:0071cb144c7a | 364 | static uint32_t FT3[256]; |
JMF | 12:0071cb144c7a | 365 | |
JMF | 12:0071cb144c7a | 366 | /* |
JMF | 12:0071cb144c7a | 367 | * Reverse S-box & tables |
JMF | 12:0071cb144c7a | 368 | */ |
JMF | 12:0071cb144c7a | 369 | static unsigned char RSb[256]; |
JMF | 12:0071cb144c7a | 370 | static uint32_t RT0[256]; |
JMF | 12:0071cb144c7a | 371 | static uint32_t RT1[256]; |
JMF | 12:0071cb144c7a | 372 | static uint32_t RT2[256]; |
JMF | 12:0071cb144c7a | 373 | static uint32_t RT3[256]; |
JMF | 12:0071cb144c7a | 374 | |
JMF | 12:0071cb144c7a | 375 | /* |
JMF | 12:0071cb144c7a | 376 | * Round constants |
JMF | 12:0071cb144c7a | 377 | */ |
JMF | 12:0071cb144c7a | 378 | static uint32_t RCON[10]; |
JMF | 12:0071cb144c7a | 379 | |
JMF | 12:0071cb144c7a | 380 | /* |
JMF | 12:0071cb144c7a | 381 | * Tables generation code |
JMF | 12:0071cb144c7a | 382 | */ |
JMF | 12:0071cb144c7a | 383 | #define ROTL8(x) ( ( x << 8 ) & 0xFFFFFFFF ) | ( x >> 24 ) |
JMF | 12:0071cb144c7a | 384 | #define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) ) |
JMF | 12:0071cb144c7a | 385 | #define MUL(x,y) ( ( x && y ) ? pow[(log[x]+log[y]) % 255] : 0 ) |
JMF | 12:0071cb144c7a | 386 | |
JMF | 12:0071cb144c7a | 387 | static int aes_init_done = 0; |
JMF | 12:0071cb144c7a | 388 | |
JMF | 12:0071cb144c7a | 389 | static void aes_gen_tables( void ) |
JMF | 12:0071cb144c7a | 390 | { |
JMF | 12:0071cb144c7a | 391 | int i, x, y, z; |
JMF | 12:0071cb144c7a | 392 | int pow[256]; |
JMF | 12:0071cb144c7a | 393 | int log[256]; |
JMF | 12:0071cb144c7a | 394 | |
JMF | 12:0071cb144c7a | 395 | /* |
JMF | 12:0071cb144c7a | 396 | * compute pow and log tables over GF(2^8) |
JMF | 12:0071cb144c7a | 397 | */ |
JMF | 12:0071cb144c7a | 398 | for( i = 0, x = 1; i < 256; i++ ) |
JMF | 12:0071cb144c7a | 399 | { |
JMF | 12:0071cb144c7a | 400 | pow[i] = x; |
JMF | 12:0071cb144c7a | 401 | log[x] = i; |
JMF | 12:0071cb144c7a | 402 | x = ( x ^ XTIME( x ) ) & 0xFF; |
JMF | 12:0071cb144c7a | 403 | } |
JMF | 12:0071cb144c7a | 404 | |
JMF | 12:0071cb144c7a | 405 | /* |
JMF | 12:0071cb144c7a | 406 | * calculate the round constants |
JMF | 12:0071cb144c7a | 407 | */ |
JMF | 12:0071cb144c7a | 408 | for( i = 0, x = 1; i < 10; i++ ) |
JMF | 12:0071cb144c7a | 409 | { |
JMF | 12:0071cb144c7a | 410 | RCON[i] = (uint32_t) x; |
JMF | 12:0071cb144c7a | 411 | x = XTIME( x ) & 0xFF; |
JMF | 12:0071cb144c7a | 412 | } |
JMF | 12:0071cb144c7a | 413 | |
JMF | 12:0071cb144c7a | 414 | /* |
JMF | 12:0071cb144c7a | 415 | * generate the forward and reverse S-boxes |
JMF | 12:0071cb144c7a | 416 | */ |
JMF | 12:0071cb144c7a | 417 | FSb[0x00] = 0x63; |
JMF | 12:0071cb144c7a | 418 | RSb[0x63] = 0x00; |
JMF | 12:0071cb144c7a | 419 | |
JMF | 12:0071cb144c7a | 420 | for( i = 1; i < 256; i++ ) |
JMF | 12:0071cb144c7a | 421 | { |
JMF | 12:0071cb144c7a | 422 | x = pow[255 - log[i]]; |
JMF | 12:0071cb144c7a | 423 | |
JMF | 12:0071cb144c7a | 424 | y = x; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF; |
JMF | 12:0071cb144c7a | 425 | x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF; |
JMF | 12:0071cb144c7a | 426 | x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF; |
JMF | 12:0071cb144c7a | 427 | x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF; |
JMF | 12:0071cb144c7a | 428 | x ^= y ^ 0x63; |
JMF | 12:0071cb144c7a | 429 | |
JMF | 12:0071cb144c7a | 430 | FSb[i] = (unsigned char) x; |
JMF | 12:0071cb144c7a | 431 | RSb[x] = (unsigned char) i; |
JMF | 12:0071cb144c7a | 432 | } |
JMF | 12:0071cb144c7a | 433 | |
JMF | 12:0071cb144c7a | 434 | /* |
JMF | 12:0071cb144c7a | 435 | * generate the forward and reverse tables |
JMF | 12:0071cb144c7a | 436 | */ |
JMF | 12:0071cb144c7a | 437 | for( i = 0; i < 256; i++ ) |
JMF | 12:0071cb144c7a | 438 | { |
JMF | 12:0071cb144c7a | 439 | x = FSb[i]; |
JMF | 12:0071cb144c7a | 440 | y = XTIME( x ) & 0xFF; |
JMF | 12:0071cb144c7a | 441 | z = ( y ^ x ) & 0xFF; |
JMF | 12:0071cb144c7a | 442 | |
JMF | 12:0071cb144c7a | 443 | FT0[i] = ( (uint32_t) y ) ^ |
JMF | 12:0071cb144c7a | 444 | ( (uint32_t) x << 8 ) ^ |
JMF | 12:0071cb144c7a | 445 | ( (uint32_t) x << 16 ) ^ |
JMF | 12:0071cb144c7a | 446 | ( (uint32_t) z << 24 ); |
JMF | 12:0071cb144c7a | 447 | |
JMF | 12:0071cb144c7a | 448 | FT1[i] = ROTL8( FT0[i] ); |
JMF | 12:0071cb144c7a | 449 | FT2[i] = ROTL8( FT1[i] ); |
JMF | 12:0071cb144c7a | 450 | FT3[i] = ROTL8( FT2[i] ); |
JMF | 12:0071cb144c7a | 451 | |
JMF | 12:0071cb144c7a | 452 | x = RSb[i]; |
JMF | 12:0071cb144c7a | 453 | |
JMF | 12:0071cb144c7a | 454 | RT0[i] = ( (uint32_t) MUL( 0x0E, x ) ) ^ |
JMF | 12:0071cb144c7a | 455 | ( (uint32_t) MUL( 0x09, x ) << 8 ) ^ |
JMF | 12:0071cb144c7a | 456 | ( (uint32_t) MUL( 0x0D, x ) << 16 ) ^ |
JMF | 12:0071cb144c7a | 457 | ( (uint32_t) MUL( 0x0B, x ) << 24 ); |
JMF | 12:0071cb144c7a | 458 | |
JMF | 12:0071cb144c7a | 459 | RT1[i] = ROTL8( RT0[i] ); |
JMF | 12:0071cb144c7a | 460 | RT2[i] = ROTL8( RT1[i] ); |
JMF | 12:0071cb144c7a | 461 | RT3[i] = ROTL8( RT2[i] ); |
JMF | 12:0071cb144c7a | 462 | } |
JMF | 12:0071cb144c7a | 463 | } |
JMF | 12:0071cb144c7a | 464 | |
JMF | 12:0071cb144c7a | 465 | #endif /* MBEDTLS_AES_ROM_TABLES */ |
JMF | 12:0071cb144c7a | 466 | |
JMF | 12:0071cb144c7a | 467 | void mbedtls_aes_init( mbedtls_aes_context *ctx ) |
JMF | 12:0071cb144c7a | 468 | { |
JMF | 12:0071cb144c7a | 469 | memset( ctx, 0, sizeof( mbedtls_aes_context ) ); |
JMF | 12:0071cb144c7a | 470 | } |
JMF | 12:0071cb144c7a | 471 | |
JMF | 12:0071cb144c7a | 472 | void mbedtls_aes_free( mbedtls_aes_context *ctx ) |
JMF | 12:0071cb144c7a | 473 | { |
JMF | 12:0071cb144c7a | 474 | if( ctx == NULL ) |
JMF | 12:0071cb144c7a | 475 | return; |
JMF | 12:0071cb144c7a | 476 | |
JMF | 12:0071cb144c7a | 477 | mbedtls_zeroize( ctx, sizeof( mbedtls_aes_context ) ); |
JMF | 12:0071cb144c7a | 478 | } |
JMF | 12:0071cb144c7a | 479 | |
JMF | 12:0071cb144c7a | 480 | /* |
JMF | 12:0071cb144c7a | 481 | * AES key schedule (encryption) |
JMF | 12:0071cb144c7a | 482 | */ |
JMF | 12:0071cb144c7a | 483 | #if !defined(MBEDTLS_AES_SETKEY_ENC_ALT) |
JMF | 12:0071cb144c7a | 484 | int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key, |
JMF | 12:0071cb144c7a | 485 | unsigned int keybits ) |
JMF | 12:0071cb144c7a | 486 | { |
JMF | 12:0071cb144c7a | 487 | unsigned int i; |
JMF | 12:0071cb144c7a | 488 | uint32_t *RK; |
JMF | 12:0071cb144c7a | 489 | |
JMF | 12:0071cb144c7a | 490 | #if !defined(MBEDTLS_AES_ROM_TABLES) |
JMF | 12:0071cb144c7a | 491 | if( aes_init_done == 0 ) |
JMF | 12:0071cb144c7a | 492 | { |
JMF | 12:0071cb144c7a | 493 | aes_gen_tables(); |
JMF | 12:0071cb144c7a | 494 | aes_init_done = 1; |
JMF | 12:0071cb144c7a | 495 | |
JMF | 12:0071cb144c7a | 496 | } |
JMF | 12:0071cb144c7a | 497 | #endif |
JMF | 12:0071cb144c7a | 498 | |
JMF | 12:0071cb144c7a | 499 | switch( keybits ) |
JMF | 12:0071cb144c7a | 500 | { |
JMF | 12:0071cb144c7a | 501 | case 128: ctx->nr = 10; break; |
JMF | 12:0071cb144c7a | 502 | case 192: ctx->nr = 12; break; |
JMF | 12:0071cb144c7a | 503 | case 256: ctx->nr = 14; break; |
JMF | 12:0071cb144c7a | 504 | default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH ); |
JMF | 12:0071cb144c7a | 505 | } |
JMF | 12:0071cb144c7a | 506 | |
JMF | 12:0071cb144c7a | 507 | #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16) |
JMF | 12:0071cb144c7a | 508 | if( aes_padlock_ace == -1 ) |
JMF | 12:0071cb144c7a | 509 | aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE ); |
JMF | 12:0071cb144c7a | 510 | |
JMF | 12:0071cb144c7a | 511 | if( aes_padlock_ace ) |
JMF | 12:0071cb144c7a | 512 | ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf ); |
JMF | 12:0071cb144c7a | 513 | else |
JMF | 12:0071cb144c7a | 514 | #endif |
JMF | 12:0071cb144c7a | 515 | ctx->rk = RK = ctx->buf; |
JMF | 12:0071cb144c7a | 516 | |
JMF | 12:0071cb144c7a | 517 | #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64) |
JMF | 12:0071cb144c7a | 518 | if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) ) |
JMF | 12:0071cb144c7a | 519 | return( mbedtls_aesni_setkey_enc( (unsigned char *) ctx->rk, key, keybits ) ); |
JMF | 12:0071cb144c7a | 520 | #endif |
JMF | 12:0071cb144c7a | 521 | |
JMF | 12:0071cb144c7a | 522 | for( i = 0; i < ( keybits >> 5 ); i++ ) |
JMF | 12:0071cb144c7a | 523 | { |
JMF | 12:0071cb144c7a | 524 | GET_UINT32_LE( RK[i], key, i << 2 ); |
JMF | 12:0071cb144c7a | 525 | } |
JMF | 12:0071cb144c7a | 526 | |
JMF | 12:0071cb144c7a | 527 | switch( ctx->nr ) |
JMF | 12:0071cb144c7a | 528 | { |
JMF | 12:0071cb144c7a | 529 | case 10: |
JMF | 12:0071cb144c7a | 530 | |
JMF | 12:0071cb144c7a | 531 | for( i = 0; i < 10; i++, RK += 4 ) |
JMF | 12:0071cb144c7a | 532 | { |
JMF | 12:0071cb144c7a | 533 | RK[4] = RK[0] ^ RCON[i] ^ |
JMF | 12:0071cb144c7a | 534 | ( (uint32_t) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 535 | ( (uint32_t) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 536 | ( (uint32_t) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 537 | ( (uint32_t) FSb[ ( RK[3] ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 538 | |
JMF | 12:0071cb144c7a | 539 | RK[5] = RK[1] ^ RK[4]; |
JMF | 12:0071cb144c7a | 540 | RK[6] = RK[2] ^ RK[5]; |
JMF | 12:0071cb144c7a | 541 | RK[7] = RK[3] ^ RK[6]; |
JMF | 12:0071cb144c7a | 542 | } |
JMF | 12:0071cb144c7a | 543 | break; |
JMF | 12:0071cb144c7a | 544 | |
JMF | 12:0071cb144c7a | 545 | case 12: |
JMF | 12:0071cb144c7a | 546 | |
JMF | 12:0071cb144c7a | 547 | for( i = 0; i < 8; i++, RK += 6 ) |
JMF | 12:0071cb144c7a | 548 | { |
JMF | 12:0071cb144c7a | 549 | RK[6] = RK[0] ^ RCON[i] ^ |
JMF | 12:0071cb144c7a | 550 | ( (uint32_t) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 551 | ( (uint32_t) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 552 | ( (uint32_t) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 553 | ( (uint32_t) FSb[ ( RK[5] ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 554 | |
JMF | 12:0071cb144c7a | 555 | RK[7] = RK[1] ^ RK[6]; |
JMF | 12:0071cb144c7a | 556 | RK[8] = RK[2] ^ RK[7]; |
JMF | 12:0071cb144c7a | 557 | RK[9] = RK[3] ^ RK[8]; |
JMF | 12:0071cb144c7a | 558 | RK[10] = RK[4] ^ RK[9]; |
JMF | 12:0071cb144c7a | 559 | RK[11] = RK[5] ^ RK[10]; |
JMF | 12:0071cb144c7a | 560 | } |
JMF | 12:0071cb144c7a | 561 | break; |
JMF | 12:0071cb144c7a | 562 | |
JMF | 12:0071cb144c7a | 563 | case 14: |
JMF | 12:0071cb144c7a | 564 | |
JMF | 12:0071cb144c7a | 565 | for( i = 0; i < 7; i++, RK += 8 ) |
JMF | 12:0071cb144c7a | 566 | { |
JMF | 12:0071cb144c7a | 567 | RK[8] = RK[0] ^ RCON[i] ^ |
JMF | 12:0071cb144c7a | 568 | ( (uint32_t) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 569 | ( (uint32_t) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 570 | ( (uint32_t) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 571 | ( (uint32_t) FSb[ ( RK[7] ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 572 | |
JMF | 12:0071cb144c7a | 573 | RK[9] = RK[1] ^ RK[8]; |
JMF | 12:0071cb144c7a | 574 | RK[10] = RK[2] ^ RK[9]; |
JMF | 12:0071cb144c7a | 575 | RK[11] = RK[3] ^ RK[10]; |
JMF | 12:0071cb144c7a | 576 | |
JMF | 12:0071cb144c7a | 577 | RK[12] = RK[4] ^ |
JMF | 12:0071cb144c7a | 578 | ( (uint32_t) FSb[ ( RK[11] ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 579 | ( (uint32_t) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 580 | ( (uint32_t) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 581 | ( (uint32_t) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 582 | |
JMF | 12:0071cb144c7a | 583 | RK[13] = RK[5] ^ RK[12]; |
JMF | 12:0071cb144c7a | 584 | RK[14] = RK[6] ^ RK[13]; |
JMF | 12:0071cb144c7a | 585 | RK[15] = RK[7] ^ RK[14]; |
JMF | 12:0071cb144c7a | 586 | } |
JMF | 12:0071cb144c7a | 587 | break; |
JMF | 12:0071cb144c7a | 588 | } |
JMF | 12:0071cb144c7a | 589 | |
JMF | 12:0071cb144c7a | 590 | return( 0 ); |
JMF | 12:0071cb144c7a | 591 | } |
JMF | 12:0071cb144c7a | 592 | #endif /* !MBEDTLS_AES_SETKEY_ENC_ALT */ |
JMF | 12:0071cb144c7a | 593 | |
JMF | 12:0071cb144c7a | 594 | /* |
JMF | 12:0071cb144c7a | 595 | * AES key schedule (decryption) |
JMF | 12:0071cb144c7a | 596 | */ |
JMF | 12:0071cb144c7a | 597 | #if !defined(MBEDTLS_AES_SETKEY_DEC_ALT) |
JMF | 12:0071cb144c7a | 598 | int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key, |
JMF | 12:0071cb144c7a | 599 | unsigned int keybits ) |
JMF | 12:0071cb144c7a | 600 | { |
JMF | 12:0071cb144c7a | 601 | int i, j, ret; |
JMF | 12:0071cb144c7a | 602 | mbedtls_aes_context cty; |
JMF | 12:0071cb144c7a | 603 | uint32_t *RK; |
JMF | 12:0071cb144c7a | 604 | uint32_t *SK; |
JMF | 12:0071cb144c7a | 605 | |
JMF | 12:0071cb144c7a | 606 | mbedtls_aes_init( &cty ); |
JMF | 12:0071cb144c7a | 607 | |
JMF | 12:0071cb144c7a | 608 | #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16) |
JMF | 12:0071cb144c7a | 609 | if( aes_padlock_ace == -1 ) |
JMF | 12:0071cb144c7a | 610 | aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE ); |
JMF | 12:0071cb144c7a | 611 | |
JMF | 12:0071cb144c7a | 612 | if( aes_padlock_ace ) |
JMF | 12:0071cb144c7a | 613 | ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf ); |
JMF | 12:0071cb144c7a | 614 | else |
JMF | 12:0071cb144c7a | 615 | #endif |
JMF | 12:0071cb144c7a | 616 | ctx->rk = RK = ctx->buf; |
JMF | 12:0071cb144c7a | 617 | |
JMF | 12:0071cb144c7a | 618 | /* Also checks keybits */ |
JMF | 12:0071cb144c7a | 619 | if( ( ret = mbedtls_aes_setkey_enc( &cty, key, keybits ) ) != 0 ) |
JMF | 12:0071cb144c7a | 620 | goto exit; |
JMF | 12:0071cb144c7a | 621 | |
JMF | 12:0071cb144c7a | 622 | ctx->nr = cty.nr; |
JMF | 12:0071cb144c7a | 623 | |
JMF | 12:0071cb144c7a | 624 | #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64) |
JMF | 12:0071cb144c7a | 625 | if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) ) |
JMF | 12:0071cb144c7a | 626 | { |
JMF | 12:0071cb144c7a | 627 | mbedtls_aesni_inverse_key( (unsigned char *) ctx->rk, |
JMF | 12:0071cb144c7a | 628 | (const unsigned char *) cty.rk, ctx->nr ); |
JMF | 12:0071cb144c7a | 629 | goto exit; |
JMF | 12:0071cb144c7a | 630 | } |
JMF | 12:0071cb144c7a | 631 | #endif |
JMF | 12:0071cb144c7a | 632 | |
JMF | 12:0071cb144c7a | 633 | SK = cty.rk + cty.nr * 4; |
JMF | 12:0071cb144c7a | 634 | |
JMF | 12:0071cb144c7a | 635 | *RK++ = *SK++; |
JMF | 12:0071cb144c7a | 636 | *RK++ = *SK++; |
JMF | 12:0071cb144c7a | 637 | *RK++ = *SK++; |
JMF | 12:0071cb144c7a | 638 | *RK++ = *SK++; |
JMF | 12:0071cb144c7a | 639 | |
JMF | 12:0071cb144c7a | 640 | for( i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8 ) |
JMF | 12:0071cb144c7a | 641 | { |
JMF | 12:0071cb144c7a | 642 | for( j = 0; j < 4; j++, SK++ ) |
JMF | 12:0071cb144c7a | 643 | { |
JMF | 12:0071cb144c7a | 644 | *RK++ = RT0[ FSb[ ( *SK ) & 0xFF ] ] ^ |
JMF | 12:0071cb144c7a | 645 | RT1[ FSb[ ( *SK >> 8 ) & 0xFF ] ] ^ |
JMF | 12:0071cb144c7a | 646 | RT2[ FSb[ ( *SK >> 16 ) & 0xFF ] ] ^ |
JMF | 12:0071cb144c7a | 647 | RT3[ FSb[ ( *SK >> 24 ) & 0xFF ] ]; |
JMF | 12:0071cb144c7a | 648 | } |
JMF | 12:0071cb144c7a | 649 | } |
JMF | 12:0071cb144c7a | 650 | |
JMF | 12:0071cb144c7a | 651 | *RK++ = *SK++; |
JMF | 12:0071cb144c7a | 652 | *RK++ = *SK++; |
JMF | 12:0071cb144c7a | 653 | *RK++ = *SK++; |
JMF | 12:0071cb144c7a | 654 | *RK++ = *SK++; |
JMF | 12:0071cb144c7a | 655 | |
JMF | 12:0071cb144c7a | 656 | exit: |
JMF | 12:0071cb144c7a | 657 | mbedtls_aes_free( &cty ); |
JMF | 12:0071cb144c7a | 658 | |
JMF | 12:0071cb144c7a | 659 | return( ret ); |
JMF | 12:0071cb144c7a | 660 | } |
JMF | 12:0071cb144c7a | 661 | #endif /* !MBEDTLS_AES_SETKEY_DEC_ALT */ |
JMF | 12:0071cb144c7a | 662 | |
JMF | 12:0071cb144c7a | 663 | #define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \ |
JMF | 12:0071cb144c7a | 664 | { \ |
JMF | 12:0071cb144c7a | 665 | X0 = *RK++ ^ FT0[ ( Y0 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 666 | FT1[ ( Y1 >> 8 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 667 | FT2[ ( Y2 >> 16 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 668 | FT3[ ( Y3 >> 24 ) & 0xFF ]; \ |
JMF | 12:0071cb144c7a | 669 | \ |
JMF | 12:0071cb144c7a | 670 | X1 = *RK++ ^ FT0[ ( Y1 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 671 | FT1[ ( Y2 >> 8 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 672 | FT2[ ( Y3 >> 16 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 673 | FT3[ ( Y0 >> 24 ) & 0xFF ]; \ |
JMF | 12:0071cb144c7a | 674 | \ |
JMF | 12:0071cb144c7a | 675 | X2 = *RK++ ^ FT0[ ( Y2 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 676 | FT1[ ( Y3 >> 8 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 677 | FT2[ ( Y0 >> 16 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 678 | FT3[ ( Y1 >> 24 ) & 0xFF ]; \ |
JMF | 12:0071cb144c7a | 679 | \ |
JMF | 12:0071cb144c7a | 680 | X3 = *RK++ ^ FT0[ ( Y3 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 681 | FT1[ ( Y0 >> 8 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 682 | FT2[ ( Y1 >> 16 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 683 | FT3[ ( Y2 >> 24 ) & 0xFF ]; \ |
JMF | 12:0071cb144c7a | 684 | } |
JMF | 12:0071cb144c7a | 685 | |
JMF | 12:0071cb144c7a | 686 | #define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \ |
JMF | 12:0071cb144c7a | 687 | { \ |
JMF | 12:0071cb144c7a | 688 | X0 = *RK++ ^ RT0[ ( Y0 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 689 | RT1[ ( Y3 >> 8 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 690 | RT2[ ( Y2 >> 16 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 691 | RT3[ ( Y1 >> 24 ) & 0xFF ]; \ |
JMF | 12:0071cb144c7a | 692 | \ |
JMF | 12:0071cb144c7a | 693 | X1 = *RK++ ^ RT0[ ( Y1 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 694 | RT1[ ( Y0 >> 8 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 695 | RT2[ ( Y3 >> 16 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 696 | RT3[ ( Y2 >> 24 ) & 0xFF ]; \ |
JMF | 12:0071cb144c7a | 697 | \ |
JMF | 12:0071cb144c7a | 698 | X2 = *RK++ ^ RT0[ ( Y2 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 699 | RT1[ ( Y1 >> 8 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 700 | RT2[ ( Y0 >> 16 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 701 | RT3[ ( Y3 >> 24 ) & 0xFF ]; \ |
JMF | 12:0071cb144c7a | 702 | \ |
JMF | 12:0071cb144c7a | 703 | X3 = *RK++ ^ RT0[ ( Y3 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 704 | RT1[ ( Y2 >> 8 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 705 | RT2[ ( Y1 >> 16 ) & 0xFF ] ^ \ |
JMF | 12:0071cb144c7a | 706 | RT3[ ( Y0 >> 24 ) & 0xFF ]; \ |
JMF | 12:0071cb144c7a | 707 | } |
JMF | 12:0071cb144c7a | 708 | |
JMF | 12:0071cb144c7a | 709 | /* |
JMF | 12:0071cb144c7a | 710 | * AES-ECB block encryption |
JMF | 12:0071cb144c7a | 711 | */ |
JMF | 12:0071cb144c7a | 712 | #if !defined(MBEDTLS_AES_ENCRYPT_ALT) |
JMF | 12:0071cb144c7a | 713 | void mbedtls_aes_encrypt( mbedtls_aes_context *ctx, |
JMF | 12:0071cb144c7a | 714 | const unsigned char input[16], |
JMF | 12:0071cb144c7a | 715 | unsigned char output[16] ) |
JMF | 12:0071cb144c7a | 716 | { |
JMF | 12:0071cb144c7a | 717 | int i; |
JMF | 12:0071cb144c7a | 718 | uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3; |
JMF | 12:0071cb144c7a | 719 | |
JMF | 12:0071cb144c7a | 720 | RK = ctx->rk; |
JMF | 12:0071cb144c7a | 721 | |
JMF | 12:0071cb144c7a | 722 | GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++; |
JMF | 12:0071cb144c7a | 723 | GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++; |
JMF | 12:0071cb144c7a | 724 | GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++; |
JMF | 12:0071cb144c7a | 725 | GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++; |
JMF | 12:0071cb144c7a | 726 | |
JMF | 12:0071cb144c7a | 727 | for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- ) |
JMF | 12:0071cb144c7a | 728 | { |
JMF | 12:0071cb144c7a | 729 | AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); |
JMF | 12:0071cb144c7a | 730 | AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); |
JMF | 12:0071cb144c7a | 731 | } |
JMF | 12:0071cb144c7a | 732 | |
JMF | 12:0071cb144c7a | 733 | AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); |
JMF | 12:0071cb144c7a | 734 | |
JMF | 12:0071cb144c7a | 735 | X0 = *RK++ ^ \ |
JMF | 12:0071cb144c7a | 736 | ( (uint32_t) FSb[ ( Y0 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 737 | ( (uint32_t) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 738 | ( (uint32_t) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 739 | ( (uint32_t) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 740 | |
JMF | 12:0071cb144c7a | 741 | X1 = *RK++ ^ \ |
JMF | 12:0071cb144c7a | 742 | ( (uint32_t) FSb[ ( Y1 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 743 | ( (uint32_t) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 744 | ( (uint32_t) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 745 | ( (uint32_t) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 746 | |
JMF | 12:0071cb144c7a | 747 | X2 = *RK++ ^ \ |
JMF | 12:0071cb144c7a | 748 | ( (uint32_t) FSb[ ( Y2 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 749 | ( (uint32_t) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 750 | ( (uint32_t) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 751 | ( (uint32_t) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 752 | |
JMF | 12:0071cb144c7a | 753 | X3 = *RK++ ^ \ |
JMF | 12:0071cb144c7a | 754 | ( (uint32_t) FSb[ ( Y3 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 755 | ( (uint32_t) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 756 | ( (uint32_t) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 757 | ( (uint32_t) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 758 | |
JMF | 12:0071cb144c7a | 759 | PUT_UINT32_LE( X0, output, 0 ); |
JMF | 12:0071cb144c7a | 760 | PUT_UINT32_LE( X1, output, 4 ); |
JMF | 12:0071cb144c7a | 761 | PUT_UINT32_LE( X2, output, 8 ); |
JMF | 12:0071cb144c7a | 762 | PUT_UINT32_LE( X3, output, 12 ); |
JMF | 12:0071cb144c7a | 763 | } |
JMF | 12:0071cb144c7a | 764 | #endif /* !MBEDTLS_AES_ENCRYPT_ALT */ |
JMF | 12:0071cb144c7a | 765 | |
JMF | 12:0071cb144c7a | 766 | /* |
JMF | 12:0071cb144c7a | 767 | * AES-ECB block decryption |
JMF | 12:0071cb144c7a | 768 | */ |
JMF | 12:0071cb144c7a | 769 | #if !defined(MBEDTLS_AES_DECRYPT_ALT) |
JMF | 12:0071cb144c7a | 770 | void mbedtls_aes_decrypt( mbedtls_aes_context *ctx, |
JMF | 12:0071cb144c7a | 771 | const unsigned char input[16], |
JMF | 12:0071cb144c7a | 772 | unsigned char output[16] ) |
JMF | 12:0071cb144c7a | 773 | { |
JMF | 12:0071cb144c7a | 774 | int i; |
JMF | 12:0071cb144c7a | 775 | uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3; |
JMF | 12:0071cb144c7a | 776 | |
JMF | 12:0071cb144c7a | 777 | RK = ctx->rk; |
JMF | 12:0071cb144c7a | 778 | |
JMF | 12:0071cb144c7a | 779 | GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++; |
JMF | 12:0071cb144c7a | 780 | GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++; |
JMF | 12:0071cb144c7a | 781 | GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++; |
JMF | 12:0071cb144c7a | 782 | GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++; |
JMF | 12:0071cb144c7a | 783 | |
JMF | 12:0071cb144c7a | 784 | for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- ) |
JMF | 12:0071cb144c7a | 785 | { |
JMF | 12:0071cb144c7a | 786 | AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); |
JMF | 12:0071cb144c7a | 787 | AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); |
JMF | 12:0071cb144c7a | 788 | } |
JMF | 12:0071cb144c7a | 789 | |
JMF | 12:0071cb144c7a | 790 | AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); |
JMF | 12:0071cb144c7a | 791 | |
JMF | 12:0071cb144c7a | 792 | X0 = *RK++ ^ \ |
JMF | 12:0071cb144c7a | 793 | ( (uint32_t) RSb[ ( Y0 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 794 | ( (uint32_t) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 795 | ( (uint32_t) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 796 | ( (uint32_t) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 797 | |
JMF | 12:0071cb144c7a | 798 | X1 = *RK++ ^ \ |
JMF | 12:0071cb144c7a | 799 | ( (uint32_t) RSb[ ( Y1 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 800 | ( (uint32_t) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 801 | ( (uint32_t) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 802 | ( (uint32_t) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 803 | |
JMF | 12:0071cb144c7a | 804 | X2 = *RK++ ^ \ |
JMF | 12:0071cb144c7a | 805 | ( (uint32_t) RSb[ ( Y2 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 806 | ( (uint32_t) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 807 | ( (uint32_t) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 808 | ( (uint32_t) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 809 | |
JMF | 12:0071cb144c7a | 810 | X3 = *RK++ ^ \ |
JMF | 12:0071cb144c7a | 811 | ( (uint32_t) RSb[ ( Y3 ) & 0xFF ] ) ^ |
JMF | 12:0071cb144c7a | 812 | ( (uint32_t) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^ |
JMF | 12:0071cb144c7a | 813 | ( (uint32_t) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^ |
JMF | 12:0071cb144c7a | 814 | ( (uint32_t) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 ); |
JMF | 12:0071cb144c7a | 815 | |
JMF | 12:0071cb144c7a | 816 | PUT_UINT32_LE( X0, output, 0 ); |
JMF | 12:0071cb144c7a | 817 | PUT_UINT32_LE( X1, output, 4 ); |
JMF | 12:0071cb144c7a | 818 | PUT_UINT32_LE( X2, output, 8 ); |
JMF | 12:0071cb144c7a | 819 | PUT_UINT32_LE( X3, output, 12 ); |
JMF | 12:0071cb144c7a | 820 | } |
JMF | 12:0071cb144c7a | 821 | #endif /* !MBEDTLS_AES_DECRYPT_ALT */ |
JMF | 12:0071cb144c7a | 822 | |
JMF | 12:0071cb144c7a | 823 | /* |
JMF | 12:0071cb144c7a | 824 | * AES-ECB block encryption/decryption |
JMF | 12:0071cb144c7a | 825 | */ |
JMF | 12:0071cb144c7a | 826 | int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx, |
JMF | 12:0071cb144c7a | 827 | int mode, |
JMF | 12:0071cb144c7a | 828 | const unsigned char input[16], |
JMF | 12:0071cb144c7a | 829 | unsigned char output[16] ) |
JMF | 12:0071cb144c7a | 830 | { |
JMF | 12:0071cb144c7a | 831 | #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64) |
JMF | 12:0071cb144c7a | 832 | if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) ) |
JMF | 12:0071cb144c7a | 833 | return( mbedtls_aesni_crypt_ecb( ctx, mode, input, output ) ); |
JMF | 12:0071cb144c7a | 834 | #endif |
JMF | 12:0071cb144c7a | 835 | |
JMF | 12:0071cb144c7a | 836 | #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86) |
JMF | 12:0071cb144c7a | 837 | if( aes_padlock_ace ) |
JMF | 12:0071cb144c7a | 838 | { |
JMF | 12:0071cb144c7a | 839 | if( mbedtls_padlock_xcryptecb( ctx, mode, input, output ) == 0 ) |
JMF | 12:0071cb144c7a | 840 | return( 0 ); |
JMF | 12:0071cb144c7a | 841 | |
JMF | 12:0071cb144c7a | 842 | // If padlock data misaligned, we just fall back to |
JMF | 12:0071cb144c7a | 843 | // unaccelerated mode |
JMF | 12:0071cb144c7a | 844 | // |
JMF | 12:0071cb144c7a | 845 | } |
JMF | 12:0071cb144c7a | 846 | #endif |
JMF | 12:0071cb144c7a | 847 | |
JMF | 12:0071cb144c7a | 848 | if( mode == MBEDTLS_AES_ENCRYPT ) |
JMF | 12:0071cb144c7a | 849 | mbedtls_aes_encrypt( ctx, input, output ); |
JMF | 12:0071cb144c7a | 850 | else |
JMF | 12:0071cb144c7a | 851 | mbedtls_aes_decrypt( ctx, input, output ); |
JMF | 12:0071cb144c7a | 852 | |
JMF | 12:0071cb144c7a | 853 | return( 0 ); |
JMF | 12:0071cb144c7a | 854 | } |
JMF | 12:0071cb144c7a | 855 | |
JMF | 12:0071cb144c7a | 856 | #if defined(MBEDTLS_CIPHER_MODE_CBC) |
JMF | 12:0071cb144c7a | 857 | /* |
JMF | 12:0071cb144c7a | 858 | * AES-CBC buffer encryption/decryption |
JMF | 12:0071cb144c7a | 859 | */ |
JMF | 12:0071cb144c7a | 860 | int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx, |
JMF | 12:0071cb144c7a | 861 | int mode, |
JMF | 12:0071cb144c7a | 862 | size_t length, |
JMF | 12:0071cb144c7a | 863 | unsigned char iv[16], |
JMF | 12:0071cb144c7a | 864 | const unsigned char *input, |
JMF | 12:0071cb144c7a | 865 | unsigned char *output ) |
JMF | 12:0071cb144c7a | 866 | { |
JMF | 12:0071cb144c7a | 867 | int i; |
JMF | 12:0071cb144c7a | 868 | unsigned char temp[16]; |
JMF | 12:0071cb144c7a | 869 | |
JMF | 12:0071cb144c7a | 870 | if( length % 16 ) |
JMF | 12:0071cb144c7a | 871 | return( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH ); |
JMF | 12:0071cb144c7a | 872 | |
JMF | 12:0071cb144c7a | 873 | #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86) |
JMF | 12:0071cb144c7a | 874 | if( aes_padlock_ace ) |
JMF | 12:0071cb144c7a | 875 | { |
JMF | 12:0071cb144c7a | 876 | if( mbedtls_padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 ) |
JMF | 12:0071cb144c7a | 877 | return( 0 ); |
JMF | 12:0071cb144c7a | 878 | |
JMF | 12:0071cb144c7a | 879 | // If padlock data misaligned, we just fall back to |
JMF | 12:0071cb144c7a | 880 | // unaccelerated mode |
JMF | 12:0071cb144c7a | 881 | // |
JMF | 12:0071cb144c7a | 882 | } |
JMF | 12:0071cb144c7a | 883 | #endif |
JMF | 12:0071cb144c7a | 884 | |
JMF | 12:0071cb144c7a | 885 | if( mode == MBEDTLS_AES_DECRYPT ) |
JMF | 12:0071cb144c7a | 886 | { |
JMF | 12:0071cb144c7a | 887 | while( length > 0 ) |
JMF | 12:0071cb144c7a | 888 | { |
JMF | 12:0071cb144c7a | 889 | memcpy( temp, input, 16 ); |
JMF | 12:0071cb144c7a | 890 | mbedtls_aes_crypt_ecb( ctx, mode, input, output ); |
JMF | 12:0071cb144c7a | 891 | |
JMF | 12:0071cb144c7a | 892 | for( i = 0; i < 16; i++ ) |
JMF | 12:0071cb144c7a | 893 | output[i] = (unsigned char)( output[i] ^ iv[i] ); |
JMF | 12:0071cb144c7a | 894 | |
JMF | 12:0071cb144c7a | 895 | memcpy( iv, temp, 16 ); |
JMF | 12:0071cb144c7a | 896 | |
JMF | 12:0071cb144c7a | 897 | input += 16; |
JMF | 12:0071cb144c7a | 898 | output += 16; |
JMF | 12:0071cb144c7a | 899 | length -= 16; |
JMF | 12:0071cb144c7a | 900 | } |
JMF | 12:0071cb144c7a | 901 | } |
JMF | 12:0071cb144c7a | 902 | else |
JMF | 12:0071cb144c7a | 903 | { |
JMF | 12:0071cb144c7a | 904 | while( length > 0 ) |
JMF | 12:0071cb144c7a | 905 | { |
JMF | 12:0071cb144c7a | 906 | for( i = 0; i < 16; i++ ) |
JMF | 12:0071cb144c7a | 907 | output[i] = (unsigned char)( input[i] ^ iv[i] ); |
JMF | 12:0071cb144c7a | 908 | |
JMF | 12:0071cb144c7a | 909 | mbedtls_aes_crypt_ecb( ctx, mode, output, output ); |
JMF | 12:0071cb144c7a | 910 | memcpy( iv, output, 16 ); |
JMF | 12:0071cb144c7a | 911 | |
JMF | 12:0071cb144c7a | 912 | input += 16; |
JMF | 12:0071cb144c7a | 913 | output += 16; |
JMF | 12:0071cb144c7a | 914 | length -= 16; |
JMF | 12:0071cb144c7a | 915 | } |
JMF | 12:0071cb144c7a | 916 | } |
JMF | 12:0071cb144c7a | 917 | |
JMF | 12:0071cb144c7a | 918 | return( 0 ); |
JMF | 12:0071cb144c7a | 919 | } |
JMF | 12:0071cb144c7a | 920 | #endif /* MBEDTLS_CIPHER_MODE_CBC */ |
JMF | 12:0071cb144c7a | 921 | |
JMF | 12:0071cb144c7a | 922 | #if defined(MBEDTLS_CIPHER_MODE_CFB) |
JMF | 12:0071cb144c7a | 923 | /* |
JMF | 12:0071cb144c7a | 924 | * AES-CFB128 buffer encryption/decryption |
JMF | 12:0071cb144c7a | 925 | */ |
JMF | 12:0071cb144c7a | 926 | int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx, |
JMF | 12:0071cb144c7a | 927 | int mode, |
JMF | 12:0071cb144c7a | 928 | size_t length, |
JMF | 12:0071cb144c7a | 929 | size_t *iv_off, |
JMF | 12:0071cb144c7a | 930 | unsigned char iv[16], |
JMF | 12:0071cb144c7a | 931 | const unsigned char *input, |
JMF | 12:0071cb144c7a | 932 | unsigned char *output ) |
JMF | 12:0071cb144c7a | 933 | { |
JMF | 12:0071cb144c7a | 934 | int c; |
JMF | 12:0071cb144c7a | 935 | size_t n = *iv_off; |
JMF | 12:0071cb144c7a | 936 | |
JMF | 12:0071cb144c7a | 937 | if( mode == MBEDTLS_AES_DECRYPT ) |
JMF | 12:0071cb144c7a | 938 | { |
JMF | 12:0071cb144c7a | 939 | while( length-- ) |
JMF | 12:0071cb144c7a | 940 | { |
JMF | 12:0071cb144c7a | 941 | if( n == 0 ) |
JMF | 12:0071cb144c7a | 942 | mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv ); |
JMF | 12:0071cb144c7a | 943 | |
JMF | 12:0071cb144c7a | 944 | c = *input++; |
JMF | 12:0071cb144c7a | 945 | *output++ = (unsigned char)( c ^ iv[n] ); |
JMF | 12:0071cb144c7a | 946 | iv[n] = (unsigned char) c; |
JMF | 12:0071cb144c7a | 947 | |
JMF | 12:0071cb144c7a | 948 | n = ( n + 1 ) & 0x0F; |
JMF | 12:0071cb144c7a | 949 | } |
JMF | 12:0071cb144c7a | 950 | } |
JMF | 12:0071cb144c7a | 951 | else |
JMF | 12:0071cb144c7a | 952 | { |
JMF | 12:0071cb144c7a | 953 | while( length-- ) |
JMF | 12:0071cb144c7a | 954 | { |
JMF | 12:0071cb144c7a | 955 | if( n == 0 ) |
JMF | 12:0071cb144c7a | 956 | mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv ); |
JMF | 12:0071cb144c7a | 957 | |
JMF | 12:0071cb144c7a | 958 | iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ ); |
JMF | 12:0071cb144c7a | 959 | |
JMF | 12:0071cb144c7a | 960 | n = ( n + 1 ) & 0x0F; |
JMF | 12:0071cb144c7a | 961 | } |
JMF | 12:0071cb144c7a | 962 | } |
JMF | 12:0071cb144c7a | 963 | |
JMF | 12:0071cb144c7a | 964 | *iv_off = n; |
JMF | 12:0071cb144c7a | 965 | |
JMF | 12:0071cb144c7a | 966 | return( 0 ); |
JMF | 12:0071cb144c7a | 967 | } |
JMF | 12:0071cb144c7a | 968 | |
JMF | 12:0071cb144c7a | 969 | /* |
JMF | 12:0071cb144c7a | 970 | * AES-CFB8 buffer encryption/decryption |
JMF | 12:0071cb144c7a | 971 | */ |
JMF | 12:0071cb144c7a | 972 | int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx, |
JMF | 12:0071cb144c7a | 973 | int mode, |
JMF | 12:0071cb144c7a | 974 | size_t length, |
JMF | 12:0071cb144c7a | 975 | unsigned char iv[16], |
JMF | 12:0071cb144c7a | 976 | const unsigned char *input, |
JMF | 12:0071cb144c7a | 977 | unsigned char *output ) |
JMF | 12:0071cb144c7a | 978 | { |
JMF | 12:0071cb144c7a | 979 | unsigned char c; |
JMF | 12:0071cb144c7a | 980 | unsigned char ov[17]; |
JMF | 12:0071cb144c7a | 981 | |
JMF | 12:0071cb144c7a | 982 | while( length-- ) |
JMF | 12:0071cb144c7a | 983 | { |
JMF | 12:0071cb144c7a | 984 | memcpy( ov, iv, 16 ); |
JMF | 12:0071cb144c7a | 985 | mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv ); |
JMF | 12:0071cb144c7a | 986 | |
JMF | 12:0071cb144c7a | 987 | if( mode == MBEDTLS_AES_DECRYPT ) |
JMF | 12:0071cb144c7a | 988 | ov[16] = *input; |
JMF | 12:0071cb144c7a | 989 | |
JMF | 12:0071cb144c7a | 990 | c = *output++ = (unsigned char)( iv[0] ^ *input++ ); |
JMF | 12:0071cb144c7a | 991 | |
JMF | 12:0071cb144c7a | 992 | if( mode == MBEDTLS_AES_ENCRYPT ) |
JMF | 12:0071cb144c7a | 993 | ov[16] = c; |
JMF | 12:0071cb144c7a | 994 | |
JMF | 12:0071cb144c7a | 995 | memcpy( iv, ov + 1, 16 ); |
JMF | 12:0071cb144c7a | 996 | } |
JMF | 12:0071cb144c7a | 997 | |
JMF | 12:0071cb144c7a | 998 | return( 0 ); |
JMF | 12:0071cb144c7a | 999 | } |
JMF | 12:0071cb144c7a | 1000 | #endif /*MBEDTLS_CIPHER_MODE_CFB */ |
JMF | 12:0071cb144c7a | 1001 | |
JMF | 12:0071cb144c7a | 1002 | #if defined(MBEDTLS_CIPHER_MODE_CTR) |
JMF | 12:0071cb144c7a | 1003 | /* |
JMF | 12:0071cb144c7a | 1004 | * AES-CTR buffer encryption/decryption |
JMF | 12:0071cb144c7a | 1005 | */ |
JMF | 12:0071cb144c7a | 1006 | int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx, |
JMF | 12:0071cb144c7a | 1007 | size_t length, |
JMF | 12:0071cb144c7a | 1008 | size_t *nc_off, |
JMF | 12:0071cb144c7a | 1009 | unsigned char nonce_counter[16], |
JMF | 12:0071cb144c7a | 1010 | unsigned char stream_block[16], |
JMF | 12:0071cb144c7a | 1011 | const unsigned char *input, |
JMF | 12:0071cb144c7a | 1012 | unsigned char *output ) |
JMF | 12:0071cb144c7a | 1013 | { |
JMF | 12:0071cb144c7a | 1014 | int c, i; |
JMF | 12:0071cb144c7a | 1015 | size_t n = *nc_off; |
JMF | 12:0071cb144c7a | 1016 | |
JMF | 12:0071cb144c7a | 1017 | while( length-- ) |
JMF | 12:0071cb144c7a | 1018 | { |
JMF | 12:0071cb144c7a | 1019 | if( n == 0 ) { |
JMF | 12:0071cb144c7a | 1020 | mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, nonce_counter, stream_block ); |
JMF | 12:0071cb144c7a | 1021 | |
JMF | 12:0071cb144c7a | 1022 | for( i = 16; i > 0; i-- ) |
JMF | 12:0071cb144c7a | 1023 | if( ++nonce_counter[i - 1] != 0 ) |
JMF | 12:0071cb144c7a | 1024 | break; |
JMF | 12:0071cb144c7a | 1025 | } |
JMF | 12:0071cb144c7a | 1026 | c = *input++; |
JMF | 12:0071cb144c7a | 1027 | *output++ = (unsigned char)( c ^ stream_block[n] ); |
JMF | 12:0071cb144c7a | 1028 | |
JMF | 12:0071cb144c7a | 1029 | n = ( n + 1 ) & 0x0F; |
JMF | 12:0071cb144c7a | 1030 | } |
JMF | 12:0071cb144c7a | 1031 | |
JMF | 12:0071cb144c7a | 1032 | *nc_off = n; |
JMF | 12:0071cb144c7a | 1033 | |
JMF | 12:0071cb144c7a | 1034 | return( 0 ); |
JMF | 12:0071cb144c7a | 1035 | } |
JMF | 12:0071cb144c7a | 1036 | #endif /* MBEDTLS_CIPHER_MODE_CTR */ |
JMF | 12:0071cb144c7a | 1037 | |
JMF | 12:0071cb144c7a | 1038 | #endif /* !MBEDTLS_AES_ALT */ |
JMF | 12:0071cb144c7a | 1039 | |
JMF | 12:0071cb144c7a | 1040 | #if defined(MBEDTLS_SELF_TEST) |
JMF | 12:0071cb144c7a | 1041 | /* |
JMF | 12:0071cb144c7a | 1042 | * AES test vectors from: |
JMF | 12:0071cb144c7a | 1043 | * |
JMF | 12:0071cb144c7a | 1044 | * http://csrc.nist.gov/archive/aes/rijndael/rijndael-vals.zip |
JMF | 12:0071cb144c7a | 1045 | */ |
JMF | 12:0071cb144c7a | 1046 | static const unsigned char aes_test_ecb_dec[3][16] = |
JMF | 12:0071cb144c7a | 1047 | { |
JMF | 12:0071cb144c7a | 1048 | { 0x44, 0x41, 0x6A, 0xC2, 0xD1, 0xF5, 0x3C, 0x58, |
JMF | 12:0071cb144c7a | 1049 | 0x33, 0x03, 0x91, 0x7E, 0x6B, 0xE9, 0xEB, 0xE0 }, |
JMF | 12:0071cb144c7a | 1050 | { 0x48, 0xE3, 0x1E, 0x9E, 0x25, 0x67, 0x18, 0xF2, |
JMF | 12:0071cb144c7a | 1051 | 0x92, 0x29, 0x31, 0x9C, 0x19, 0xF1, 0x5B, 0xA4 }, |
JMF | 12:0071cb144c7a | 1052 | { 0x05, 0x8C, 0xCF, 0xFD, 0xBB, 0xCB, 0x38, 0x2D, |
JMF | 12:0071cb144c7a | 1053 | 0x1F, 0x6F, 0x56, 0x58, 0x5D, 0x8A, 0x4A, 0xDE } |
JMF | 12:0071cb144c7a | 1054 | }; |
JMF | 12:0071cb144c7a | 1055 | |
JMF | 12:0071cb144c7a | 1056 | static const unsigned char aes_test_ecb_enc[3][16] = |
JMF | 12:0071cb144c7a | 1057 | { |
JMF | 12:0071cb144c7a | 1058 | { 0xC3, 0x4C, 0x05, 0x2C, 0xC0, 0xDA, 0x8D, 0x73, |
JMF | 12:0071cb144c7a | 1059 | 0x45, 0x1A, 0xFE, 0x5F, 0x03, 0xBE, 0x29, 0x7F }, |
JMF | 12:0071cb144c7a | 1060 | { 0xF3, 0xF6, 0x75, 0x2A, 0xE8, 0xD7, 0x83, 0x11, |
JMF | 12:0071cb144c7a | 1061 | 0x38, 0xF0, 0x41, 0x56, 0x06, 0x31, 0xB1, 0x14 }, |
JMF | 12:0071cb144c7a | 1062 | { 0x8B, 0x79, 0xEE, 0xCC, 0x93, 0xA0, 0xEE, 0x5D, |
JMF | 12:0071cb144c7a | 1063 | 0xFF, 0x30, 0xB4, 0xEA, 0x21, 0x63, 0x6D, 0xA4 } |
JMF | 12:0071cb144c7a | 1064 | }; |
JMF | 12:0071cb144c7a | 1065 | |
JMF | 12:0071cb144c7a | 1066 | #if defined(MBEDTLS_CIPHER_MODE_CBC) |
JMF | 12:0071cb144c7a | 1067 | static const unsigned char aes_test_cbc_dec[3][16] = |
JMF | 12:0071cb144c7a | 1068 | { |
JMF | 12:0071cb144c7a | 1069 | { 0xFA, 0xCA, 0x37, 0xE0, 0xB0, 0xC8, 0x53, 0x73, |
JMF | 12:0071cb144c7a | 1070 | 0xDF, 0x70, 0x6E, 0x73, 0xF7, 0xC9, 0xAF, 0x86 }, |
JMF | 12:0071cb144c7a | 1071 | { 0x5D, 0xF6, 0x78, 0xDD, 0x17, 0xBA, 0x4E, 0x75, |
JMF | 12:0071cb144c7a | 1072 | 0xB6, 0x17, 0x68, 0xC6, 0xAD, 0xEF, 0x7C, 0x7B }, |
JMF | 12:0071cb144c7a | 1073 | { 0x48, 0x04, 0xE1, 0x81, 0x8F, 0xE6, 0x29, 0x75, |
JMF | 12:0071cb144c7a | 1074 | 0x19, 0xA3, 0xE8, 0x8C, 0x57, 0x31, 0x04, 0x13 } |
JMF | 12:0071cb144c7a | 1075 | }; |
JMF | 12:0071cb144c7a | 1076 | |
JMF | 12:0071cb144c7a | 1077 | static const unsigned char aes_test_cbc_enc[3][16] = |
JMF | 12:0071cb144c7a | 1078 | { |
JMF | 12:0071cb144c7a | 1079 | { 0x8A, 0x05, 0xFC, 0x5E, 0x09, 0x5A, 0xF4, 0x84, |
JMF | 12:0071cb144c7a | 1080 | 0x8A, 0x08, 0xD3, 0x28, 0xD3, 0x68, 0x8E, 0x3D }, |
JMF | 12:0071cb144c7a | 1081 | { 0x7B, 0xD9, 0x66, 0xD5, 0x3A, 0xD8, 0xC1, 0xBB, |
JMF | 12:0071cb144c7a | 1082 | 0x85, 0xD2, 0xAD, 0xFA, 0xE8, 0x7B, 0xB1, 0x04 }, |
JMF | 12:0071cb144c7a | 1083 | { 0xFE, 0x3C, 0x53, 0x65, 0x3E, 0x2F, 0x45, 0xB5, |
JMF | 12:0071cb144c7a | 1084 | 0x6F, 0xCD, 0x88, 0xB2, 0xCC, 0x89, 0x8F, 0xF0 } |
JMF | 12:0071cb144c7a | 1085 | }; |
JMF | 12:0071cb144c7a | 1086 | #endif /* MBEDTLS_CIPHER_MODE_CBC */ |
JMF | 12:0071cb144c7a | 1087 | |
JMF | 12:0071cb144c7a | 1088 | #if defined(MBEDTLS_CIPHER_MODE_CFB) |
JMF | 12:0071cb144c7a | 1089 | /* |
JMF | 12:0071cb144c7a | 1090 | * AES-CFB128 test vectors from: |
JMF | 12:0071cb144c7a | 1091 | * |
JMF | 12:0071cb144c7a | 1092 | * http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf |
JMF | 12:0071cb144c7a | 1093 | */ |
JMF | 12:0071cb144c7a | 1094 | static const unsigned char aes_test_cfb128_key[3][32] = |
JMF | 12:0071cb144c7a | 1095 | { |
JMF | 12:0071cb144c7a | 1096 | { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, |
JMF | 12:0071cb144c7a | 1097 | 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }, |
JMF | 12:0071cb144c7a | 1098 | { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52, |
JMF | 12:0071cb144c7a | 1099 | 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5, |
JMF | 12:0071cb144c7a | 1100 | 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B }, |
JMF | 12:0071cb144c7a | 1101 | { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE, |
JMF | 12:0071cb144c7a | 1102 | 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81, |
JMF | 12:0071cb144c7a | 1103 | 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7, |
JMF | 12:0071cb144c7a | 1104 | 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 } |
JMF | 12:0071cb144c7a | 1105 | }; |
JMF | 12:0071cb144c7a | 1106 | |
JMF | 12:0071cb144c7a | 1107 | static const unsigned char aes_test_cfb128_iv[16] = |
JMF | 12:0071cb144c7a | 1108 | { |
JMF | 12:0071cb144c7a | 1109 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
JMF | 12:0071cb144c7a | 1110 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F |
JMF | 12:0071cb144c7a | 1111 | }; |
JMF | 12:0071cb144c7a | 1112 | |
JMF | 12:0071cb144c7a | 1113 | static const unsigned char aes_test_cfb128_pt[64] = |
JMF | 12:0071cb144c7a | 1114 | { |
JMF | 12:0071cb144c7a | 1115 | 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96, |
JMF | 12:0071cb144c7a | 1116 | 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A, |
JMF | 12:0071cb144c7a | 1117 | 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C, |
JMF | 12:0071cb144c7a | 1118 | 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51, |
JMF | 12:0071cb144c7a | 1119 | 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11, |
JMF | 12:0071cb144c7a | 1120 | 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF, |
JMF | 12:0071cb144c7a | 1121 | 0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17, |
JMF | 12:0071cb144c7a | 1122 | 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10 |
JMF | 12:0071cb144c7a | 1123 | }; |
JMF | 12:0071cb144c7a | 1124 | |
JMF | 12:0071cb144c7a | 1125 | static const unsigned char aes_test_cfb128_ct[3][64] = |
JMF | 12:0071cb144c7a | 1126 | { |
JMF | 12:0071cb144c7a | 1127 | { 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20, |
JMF | 12:0071cb144c7a | 1128 | 0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A, |
JMF | 12:0071cb144c7a | 1129 | 0xC8, 0xA6, 0x45, 0x37, 0xA0, 0xB3, 0xA9, 0x3F, |
JMF | 12:0071cb144c7a | 1130 | 0xCD, 0xE3, 0xCD, 0xAD, 0x9F, 0x1C, 0xE5, 0x8B, |
JMF | 12:0071cb144c7a | 1131 | 0x26, 0x75, 0x1F, 0x67, 0xA3, 0xCB, 0xB1, 0x40, |
JMF | 12:0071cb144c7a | 1132 | 0xB1, 0x80, 0x8C, 0xF1, 0x87, 0xA4, 0xF4, 0xDF, |
JMF | 12:0071cb144c7a | 1133 | 0xC0, 0x4B, 0x05, 0x35, 0x7C, 0x5D, 0x1C, 0x0E, |
JMF | 12:0071cb144c7a | 1134 | 0xEA, 0xC4, 0xC6, 0x6F, 0x9F, 0xF7, 0xF2, 0xE6 }, |
JMF | 12:0071cb144c7a | 1135 | { 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB, |
JMF | 12:0071cb144c7a | 1136 | 0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74, |
JMF | 12:0071cb144c7a | 1137 | 0x67, 0xCE, 0x7F, 0x7F, 0x81, 0x17, 0x36, 0x21, |
JMF | 12:0071cb144c7a | 1138 | 0x96, 0x1A, 0x2B, 0x70, 0x17, 0x1D, 0x3D, 0x7A, |
JMF | 12:0071cb144c7a | 1139 | 0x2E, 0x1E, 0x8A, 0x1D, 0xD5, 0x9B, 0x88, 0xB1, |
JMF | 12:0071cb144c7a | 1140 | 0xC8, 0xE6, 0x0F, 0xED, 0x1E, 0xFA, 0xC4, 0xC9, |
JMF | 12:0071cb144c7a | 1141 | 0xC0, 0x5F, 0x9F, 0x9C, 0xA9, 0x83, 0x4F, 0xA0, |
JMF | 12:0071cb144c7a | 1142 | 0x42, 0xAE, 0x8F, 0xBA, 0x58, 0x4B, 0x09, 0xFF }, |
JMF | 12:0071cb144c7a | 1143 | { 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B, |
JMF | 12:0071cb144c7a | 1144 | 0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60, |
JMF | 12:0071cb144c7a | 1145 | 0x39, 0xFF, 0xED, 0x14, 0x3B, 0x28, 0xB1, 0xC8, |
JMF | 12:0071cb144c7a | 1146 | 0x32, 0x11, 0x3C, 0x63, 0x31, 0xE5, 0x40, 0x7B, |
JMF | 12:0071cb144c7a | 1147 | 0xDF, 0x10, 0x13, 0x24, 0x15, 0xE5, 0x4B, 0x92, |
JMF | 12:0071cb144c7a | 1148 | 0xA1, 0x3E, 0xD0, 0xA8, 0x26, 0x7A, 0xE2, 0xF9, |
JMF | 12:0071cb144c7a | 1149 | 0x75, 0xA3, 0x85, 0x74, 0x1A, 0xB9, 0xCE, 0xF8, |
JMF | 12:0071cb144c7a | 1150 | 0x20, 0x31, 0x62, 0x3D, 0x55, 0xB1, 0xE4, 0x71 } |
JMF | 12:0071cb144c7a | 1151 | }; |
JMF | 12:0071cb144c7a | 1152 | #endif /* MBEDTLS_CIPHER_MODE_CFB */ |
JMF | 12:0071cb144c7a | 1153 | |
JMF | 12:0071cb144c7a | 1154 | #if defined(MBEDTLS_CIPHER_MODE_CTR) |
JMF | 12:0071cb144c7a | 1155 | /* |
JMF | 12:0071cb144c7a | 1156 | * AES-CTR test vectors from: |
JMF | 12:0071cb144c7a | 1157 | * |
JMF | 12:0071cb144c7a | 1158 | * http://www.faqs.org/rfcs/rfc3686.html |
JMF | 12:0071cb144c7a | 1159 | */ |
JMF | 12:0071cb144c7a | 1160 | |
JMF | 12:0071cb144c7a | 1161 | static const unsigned char aes_test_ctr_key[3][16] = |
JMF | 12:0071cb144c7a | 1162 | { |
JMF | 12:0071cb144c7a | 1163 | { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC, |
JMF | 12:0071cb144c7a | 1164 | 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E }, |
JMF | 12:0071cb144c7a | 1165 | { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7, |
JMF | 12:0071cb144c7a | 1166 | 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 }, |
JMF | 12:0071cb144c7a | 1167 | { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8, |
JMF | 12:0071cb144c7a | 1168 | 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC } |
JMF | 12:0071cb144c7a | 1169 | }; |
JMF | 12:0071cb144c7a | 1170 | |
JMF | 12:0071cb144c7a | 1171 | static const unsigned char aes_test_ctr_nonce_counter[3][16] = |
JMF | 12:0071cb144c7a | 1172 | { |
JMF | 12:0071cb144c7a | 1173 | { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, |
JMF | 12:0071cb144c7a | 1174 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, |
JMF | 12:0071cb144c7a | 1175 | { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59, |
JMF | 12:0071cb144c7a | 1176 | 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 }, |
JMF | 12:0071cb144c7a | 1177 | { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F, |
JMF | 12:0071cb144c7a | 1178 | 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 } |
JMF | 12:0071cb144c7a | 1179 | }; |
JMF | 12:0071cb144c7a | 1180 | |
JMF | 12:0071cb144c7a | 1181 | static const unsigned char aes_test_ctr_pt[3][48] = |
JMF | 12:0071cb144c7a | 1182 | { |
JMF | 12:0071cb144c7a | 1183 | { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62, |
JMF | 12:0071cb144c7a | 1184 | 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 }, |
JMF | 12:0071cb144c7a | 1185 | |
JMF | 12:0071cb144c7a | 1186 | { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
JMF | 12:0071cb144c7a | 1187 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, |
JMF | 12:0071cb144c7a | 1188 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
JMF | 12:0071cb144c7a | 1189 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F }, |
JMF | 12:0071cb144c7a | 1190 | |
JMF | 12:0071cb144c7a | 1191 | { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
JMF | 12:0071cb144c7a | 1192 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, |
JMF | 12:0071cb144c7a | 1193 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
JMF | 12:0071cb144c7a | 1194 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, |
JMF | 12:0071cb144c7a | 1195 | 0x20, 0x21, 0x22, 0x23 } |
JMF | 12:0071cb144c7a | 1196 | }; |
JMF | 12:0071cb144c7a | 1197 | |
JMF | 12:0071cb144c7a | 1198 | static const unsigned char aes_test_ctr_ct[3][48] = |
JMF | 12:0071cb144c7a | 1199 | { |
JMF | 12:0071cb144c7a | 1200 | { 0xE4, 0x09, 0x5D, 0x4F, 0xB7, 0xA7, 0xB3, 0x79, |
JMF | 12:0071cb144c7a | 1201 | 0x2D, 0x61, 0x75, 0xA3, 0x26, 0x13, 0x11, 0xB8 }, |
JMF | 12:0071cb144c7a | 1202 | { 0x51, 0x04, 0xA1, 0x06, 0x16, 0x8A, 0x72, 0xD9, |
JMF | 12:0071cb144c7a | 1203 | 0x79, 0x0D, 0x41, 0xEE, 0x8E, 0xDA, 0xD3, 0x88, |
JMF | 12:0071cb144c7a | 1204 | 0xEB, 0x2E, 0x1E, 0xFC, 0x46, 0xDA, 0x57, 0xC8, |
JMF | 12:0071cb144c7a | 1205 | 0xFC, 0xE6, 0x30, 0xDF, 0x91, 0x41, 0xBE, 0x28 }, |
JMF | 12:0071cb144c7a | 1206 | { 0xC1, 0xCF, 0x48, 0xA8, 0x9F, 0x2F, 0xFD, 0xD9, |
JMF | 12:0071cb144c7a | 1207 | 0xCF, 0x46, 0x52, 0xE9, 0xEF, 0xDB, 0x72, 0xD7, |
JMF | 12:0071cb144c7a | 1208 | 0x45, 0x40, 0xA4, 0x2B, 0xDE, 0x6D, 0x78, 0x36, |
JMF | 12:0071cb144c7a | 1209 | 0xD5, 0x9A, 0x5C, 0xEA, 0xAE, 0xF3, 0x10, 0x53, |
JMF | 12:0071cb144c7a | 1210 | 0x25, 0xB2, 0x07, 0x2F } |
JMF | 12:0071cb144c7a | 1211 | }; |
JMF | 12:0071cb144c7a | 1212 | |
JMF | 12:0071cb144c7a | 1213 | static const int aes_test_ctr_len[3] = |
JMF | 12:0071cb144c7a | 1214 | { 16, 32, 36 }; |
JMF | 12:0071cb144c7a | 1215 | #endif /* MBEDTLS_CIPHER_MODE_CTR */ |
JMF | 12:0071cb144c7a | 1216 | |
JMF | 12:0071cb144c7a | 1217 | /* |
JMF | 12:0071cb144c7a | 1218 | * Checkup routine |
JMF | 12:0071cb144c7a | 1219 | */ |
JMF | 12:0071cb144c7a | 1220 | int mbedtls_aes_self_test( int verbose ) |
JMF | 12:0071cb144c7a | 1221 | { |
JMF | 12:0071cb144c7a | 1222 | int ret = 0, i, j, u, v; |
JMF | 12:0071cb144c7a | 1223 | unsigned char key[32]; |
JMF | 12:0071cb144c7a | 1224 | unsigned char buf[64]; |
JMF | 12:0071cb144c7a | 1225 | #if defined(MBEDTLS_CIPHER_MODE_CBC) || defined(MBEDTLS_CIPHER_MODE_CFB) |
JMF | 12:0071cb144c7a | 1226 | unsigned char iv[16]; |
JMF | 12:0071cb144c7a | 1227 | #endif |
JMF | 12:0071cb144c7a | 1228 | #if defined(MBEDTLS_CIPHER_MODE_CBC) |
JMF | 12:0071cb144c7a | 1229 | unsigned char prv[16]; |
JMF | 12:0071cb144c7a | 1230 | #endif |
JMF | 12:0071cb144c7a | 1231 | #if defined(MBEDTLS_CIPHER_MODE_CTR) || defined(MBEDTLS_CIPHER_MODE_CFB) |
JMF | 12:0071cb144c7a | 1232 | size_t offset; |
JMF | 12:0071cb144c7a | 1233 | #endif |
JMF | 12:0071cb144c7a | 1234 | #if defined(MBEDTLS_CIPHER_MODE_CTR) |
JMF | 12:0071cb144c7a | 1235 | int len; |
JMF | 12:0071cb144c7a | 1236 | unsigned char nonce_counter[16]; |
JMF | 12:0071cb144c7a | 1237 | unsigned char stream_block[16]; |
JMF | 12:0071cb144c7a | 1238 | #endif |
JMF | 12:0071cb144c7a | 1239 | mbedtls_aes_context ctx; |
JMF | 12:0071cb144c7a | 1240 | |
JMF | 12:0071cb144c7a | 1241 | memset( key, 0, 32 ); |
JMF | 12:0071cb144c7a | 1242 | mbedtls_aes_init( &ctx ); |
JMF | 12:0071cb144c7a | 1243 | |
JMF | 12:0071cb144c7a | 1244 | /* |
JMF | 12:0071cb144c7a | 1245 | * ECB mode |
JMF | 12:0071cb144c7a | 1246 | */ |
JMF | 12:0071cb144c7a | 1247 | for( i = 0; i < 6; i++ ) |
JMF | 12:0071cb144c7a | 1248 | { |
JMF | 12:0071cb144c7a | 1249 | u = i >> 1; |
JMF | 12:0071cb144c7a | 1250 | v = i & 1; |
JMF | 12:0071cb144c7a | 1251 | |
JMF | 12:0071cb144c7a | 1252 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1253 | mbedtls_printf( " AES-ECB-%3d (%s): ", 128 + u * 64, |
JMF | 12:0071cb144c7a | 1254 | ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" ); |
JMF | 12:0071cb144c7a | 1255 | |
JMF | 12:0071cb144c7a | 1256 | memset( buf, 0, 16 ); |
JMF | 12:0071cb144c7a | 1257 | |
JMF | 12:0071cb144c7a | 1258 | if( v == MBEDTLS_AES_DECRYPT ) |
JMF | 12:0071cb144c7a | 1259 | { |
JMF | 12:0071cb144c7a | 1260 | mbedtls_aes_setkey_dec( &ctx, key, 128 + u * 64 ); |
JMF | 12:0071cb144c7a | 1261 | |
JMF | 12:0071cb144c7a | 1262 | for( j = 0; j < 10000; j++ ) |
JMF | 12:0071cb144c7a | 1263 | mbedtls_aes_crypt_ecb( &ctx, v, buf, buf ); |
JMF | 12:0071cb144c7a | 1264 | |
JMF | 12:0071cb144c7a | 1265 | if( memcmp( buf, aes_test_ecb_dec[u], 16 ) != 0 ) |
JMF | 12:0071cb144c7a | 1266 | { |
JMF | 12:0071cb144c7a | 1267 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1268 | mbedtls_printf( "failed\n" ); |
JMF | 12:0071cb144c7a | 1269 | |
JMF | 12:0071cb144c7a | 1270 | ret = 1; |
JMF | 12:0071cb144c7a | 1271 | goto exit; |
JMF | 12:0071cb144c7a | 1272 | } |
JMF | 12:0071cb144c7a | 1273 | } |
JMF | 12:0071cb144c7a | 1274 | else |
JMF | 12:0071cb144c7a | 1275 | { |
JMF | 12:0071cb144c7a | 1276 | mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 ); |
JMF | 12:0071cb144c7a | 1277 | |
JMF | 12:0071cb144c7a | 1278 | for( j = 0; j < 10000; j++ ) |
JMF | 12:0071cb144c7a | 1279 | mbedtls_aes_crypt_ecb( &ctx, v, buf, buf ); |
JMF | 12:0071cb144c7a | 1280 | |
JMF | 12:0071cb144c7a | 1281 | if( memcmp( buf, aes_test_ecb_enc[u], 16 ) != 0 ) |
JMF | 12:0071cb144c7a | 1282 | { |
JMF | 12:0071cb144c7a | 1283 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1284 | mbedtls_printf( "failed\n" ); |
JMF | 12:0071cb144c7a | 1285 | |
JMF | 12:0071cb144c7a | 1286 | ret = 1; |
JMF | 12:0071cb144c7a | 1287 | goto exit; |
JMF | 12:0071cb144c7a | 1288 | } |
JMF | 12:0071cb144c7a | 1289 | } |
JMF | 12:0071cb144c7a | 1290 | |
JMF | 12:0071cb144c7a | 1291 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1292 | mbedtls_printf( "passed\n" ); |
JMF | 12:0071cb144c7a | 1293 | } |
JMF | 12:0071cb144c7a | 1294 | |
JMF | 12:0071cb144c7a | 1295 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1296 | mbedtls_printf( "\n" ); |
JMF | 12:0071cb144c7a | 1297 | |
JMF | 12:0071cb144c7a | 1298 | #if defined(MBEDTLS_CIPHER_MODE_CBC) |
JMF | 12:0071cb144c7a | 1299 | /* |
JMF | 12:0071cb144c7a | 1300 | * CBC mode |
JMF | 12:0071cb144c7a | 1301 | */ |
JMF | 12:0071cb144c7a | 1302 | for( i = 0; i < 6; i++ ) |
JMF | 12:0071cb144c7a | 1303 | { |
JMF | 12:0071cb144c7a | 1304 | u = i >> 1; |
JMF | 12:0071cb144c7a | 1305 | v = i & 1; |
JMF | 12:0071cb144c7a | 1306 | |
JMF | 12:0071cb144c7a | 1307 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1308 | mbedtls_printf( " AES-CBC-%3d (%s): ", 128 + u * 64, |
JMF | 12:0071cb144c7a | 1309 | ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" ); |
JMF | 12:0071cb144c7a | 1310 | |
JMF | 12:0071cb144c7a | 1311 | memset( iv , 0, 16 ); |
JMF | 12:0071cb144c7a | 1312 | memset( prv, 0, 16 ); |
JMF | 12:0071cb144c7a | 1313 | memset( buf, 0, 16 ); |
JMF | 12:0071cb144c7a | 1314 | |
JMF | 12:0071cb144c7a | 1315 | if( v == MBEDTLS_AES_DECRYPT ) |
JMF | 12:0071cb144c7a | 1316 | { |
JMF | 12:0071cb144c7a | 1317 | mbedtls_aes_setkey_dec( &ctx, key, 128 + u * 64 ); |
JMF | 12:0071cb144c7a | 1318 | |
JMF | 12:0071cb144c7a | 1319 | for( j = 0; j < 10000; j++ ) |
JMF | 12:0071cb144c7a | 1320 | mbedtls_aes_crypt_cbc( &ctx, v, 16, iv, buf, buf ); |
JMF | 12:0071cb144c7a | 1321 | |
JMF | 12:0071cb144c7a | 1322 | if( memcmp( buf, aes_test_cbc_dec[u], 16 ) != 0 ) |
JMF | 12:0071cb144c7a | 1323 | { |
JMF | 12:0071cb144c7a | 1324 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1325 | mbedtls_printf( "failed\n" ); |
JMF | 12:0071cb144c7a | 1326 | |
JMF | 12:0071cb144c7a | 1327 | ret = 1; |
JMF | 12:0071cb144c7a | 1328 | goto exit; |
JMF | 12:0071cb144c7a | 1329 | } |
JMF | 12:0071cb144c7a | 1330 | } |
JMF | 12:0071cb144c7a | 1331 | else |
JMF | 12:0071cb144c7a | 1332 | { |
JMF | 12:0071cb144c7a | 1333 | mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 ); |
JMF | 12:0071cb144c7a | 1334 | |
JMF | 12:0071cb144c7a | 1335 | for( j = 0; j < 10000; j++ ) |
JMF | 12:0071cb144c7a | 1336 | { |
JMF | 12:0071cb144c7a | 1337 | unsigned char tmp[16]; |
JMF | 12:0071cb144c7a | 1338 | |
JMF | 12:0071cb144c7a | 1339 | mbedtls_aes_crypt_cbc( &ctx, v, 16, iv, buf, buf ); |
JMF | 12:0071cb144c7a | 1340 | |
JMF | 12:0071cb144c7a | 1341 | memcpy( tmp, prv, 16 ); |
JMF | 12:0071cb144c7a | 1342 | memcpy( prv, buf, 16 ); |
JMF | 12:0071cb144c7a | 1343 | memcpy( buf, tmp, 16 ); |
JMF | 12:0071cb144c7a | 1344 | } |
JMF | 12:0071cb144c7a | 1345 | |
JMF | 12:0071cb144c7a | 1346 | if( memcmp( prv, aes_test_cbc_enc[u], 16 ) != 0 ) |
JMF | 12:0071cb144c7a | 1347 | { |
JMF | 12:0071cb144c7a | 1348 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1349 | mbedtls_printf( "failed\n" ); |
JMF | 12:0071cb144c7a | 1350 | |
JMF | 12:0071cb144c7a | 1351 | ret = 1; |
JMF | 12:0071cb144c7a | 1352 | goto exit; |
JMF | 12:0071cb144c7a | 1353 | } |
JMF | 12:0071cb144c7a | 1354 | } |
JMF | 12:0071cb144c7a | 1355 | |
JMF | 12:0071cb144c7a | 1356 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1357 | mbedtls_printf( "passed\n" ); |
JMF | 12:0071cb144c7a | 1358 | } |
JMF | 12:0071cb144c7a | 1359 | |
JMF | 12:0071cb144c7a | 1360 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1361 | mbedtls_printf( "\n" ); |
JMF | 12:0071cb144c7a | 1362 | #endif /* MBEDTLS_CIPHER_MODE_CBC */ |
JMF | 12:0071cb144c7a | 1363 | |
JMF | 12:0071cb144c7a | 1364 | #if defined(MBEDTLS_CIPHER_MODE_CFB) |
JMF | 12:0071cb144c7a | 1365 | /* |
JMF | 12:0071cb144c7a | 1366 | * CFB128 mode |
JMF | 12:0071cb144c7a | 1367 | */ |
JMF | 12:0071cb144c7a | 1368 | for( i = 0; i < 6; i++ ) |
JMF | 12:0071cb144c7a | 1369 | { |
JMF | 12:0071cb144c7a | 1370 | u = i >> 1; |
JMF | 12:0071cb144c7a | 1371 | v = i & 1; |
JMF | 12:0071cb144c7a | 1372 | |
JMF | 12:0071cb144c7a | 1373 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1374 | mbedtls_printf( " AES-CFB128-%3d (%s): ", 128 + u * 64, |
JMF | 12:0071cb144c7a | 1375 | ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" ); |
JMF | 12:0071cb144c7a | 1376 | |
JMF | 12:0071cb144c7a | 1377 | memcpy( iv, aes_test_cfb128_iv, 16 ); |
JMF | 12:0071cb144c7a | 1378 | memcpy( key, aes_test_cfb128_key[u], 16 + u * 8 ); |
JMF | 12:0071cb144c7a | 1379 | |
JMF | 12:0071cb144c7a | 1380 | offset = 0; |
JMF | 12:0071cb144c7a | 1381 | mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 ); |
JMF | 12:0071cb144c7a | 1382 | |
JMF | 12:0071cb144c7a | 1383 | if( v == MBEDTLS_AES_DECRYPT ) |
JMF | 12:0071cb144c7a | 1384 | { |
JMF | 12:0071cb144c7a | 1385 | memcpy( buf, aes_test_cfb128_ct[u], 64 ); |
JMF | 12:0071cb144c7a | 1386 | mbedtls_aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf ); |
JMF | 12:0071cb144c7a | 1387 | |
JMF | 12:0071cb144c7a | 1388 | if( memcmp( buf, aes_test_cfb128_pt, 64 ) != 0 ) |
JMF | 12:0071cb144c7a | 1389 | { |
JMF | 12:0071cb144c7a | 1390 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1391 | mbedtls_printf( "failed\n" ); |
JMF | 12:0071cb144c7a | 1392 | |
JMF | 12:0071cb144c7a | 1393 | ret = 1; |
JMF | 12:0071cb144c7a | 1394 | goto exit; |
JMF | 12:0071cb144c7a | 1395 | } |
JMF | 12:0071cb144c7a | 1396 | } |
JMF | 12:0071cb144c7a | 1397 | else |
JMF | 12:0071cb144c7a | 1398 | { |
JMF | 12:0071cb144c7a | 1399 | memcpy( buf, aes_test_cfb128_pt, 64 ); |
JMF | 12:0071cb144c7a | 1400 | mbedtls_aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf ); |
JMF | 12:0071cb144c7a | 1401 | |
JMF | 12:0071cb144c7a | 1402 | if( memcmp( buf, aes_test_cfb128_ct[u], 64 ) != 0 ) |
JMF | 12:0071cb144c7a | 1403 | { |
JMF | 12:0071cb144c7a | 1404 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1405 | mbedtls_printf( "failed\n" ); |
JMF | 12:0071cb144c7a | 1406 | |
JMF | 12:0071cb144c7a | 1407 | ret = 1; |
JMF | 12:0071cb144c7a | 1408 | goto exit; |
JMF | 12:0071cb144c7a | 1409 | } |
JMF | 12:0071cb144c7a | 1410 | } |
JMF | 12:0071cb144c7a | 1411 | |
JMF | 12:0071cb144c7a | 1412 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1413 | mbedtls_printf( "passed\n" ); |
JMF | 12:0071cb144c7a | 1414 | } |
JMF | 12:0071cb144c7a | 1415 | |
JMF | 12:0071cb144c7a | 1416 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1417 | mbedtls_printf( "\n" ); |
JMF | 12:0071cb144c7a | 1418 | #endif /* MBEDTLS_CIPHER_MODE_CFB */ |
JMF | 12:0071cb144c7a | 1419 | |
JMF | 12:0071cb144c7a | 1420 | #if defined(MBEDTLS_CIPHER_MODE_CTR) |
JMF | 12:0071cb144c7a | 1421 | /* |
JMF | 12:0071cb144c7a | 1422 | * CTR mode |
JMF | 12:0071cb144c7a | 1423 | */ |
JMF | 12:0071cb144c7a | 1424 | for( i = 0; i < 6; i++ ) |
JMF | 12:0071cb144c7a | 1425 | { |
JMF | 12:0071cb144c7a | 1426 | u = i >> 1; |
JMF | 12:0071cb144c7a | 1427 | v = i & 1; |
JMF | 12:0071cb144c7a | 1428 | |
JMF | 12:0071cb144c7a | 1429 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1430 | mbedtls_printf( " AES-CTR-128 (%s): ", |
JMF | 12:0071cb144c7a | 1431 | ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" ); |
JMF | 12:0071cb144c7a | 1432 | |
JMF | 12:0071cb144c7a | 1433 | memcpy( nonce_counter, aes_test_ctr_nonce_counter[u], 16 ); |
JMF | 12:0071cb144c7a | 1434 | memcpy( key, aes_test_ctr_key[u], 16 ); |
JMF | 12:0071cb144c7a | 1435 | |
JMF | 12:0071cb144c7a | 1436 | offset = 0; |
JMF | 12:0071cb144c7a | 1437 | mbedtls_aes_setkey_enc( &ctx, key, 128 ); |
JMF | 12:0071cb144c7a | 1438 | |
JMF | 12:0071cb144c7a | 1439 | if( v == MBEDTLS_AES_DECRYPT ) |
JMF | 12:0071cb144c7a | 1440 | { |
JMF | 12:0071cb144c7a | 1441 | len = aes_test_ctr_len[u]; |
JMF | 12:0071cb144c7a | 1442 | memcpy( buf, aes_test_ctr_ct[u], len ); |
JMF | 12:0071cb144c7a | 1443 | |
JMF | 12:0071cb144c7a | 1444 | mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block, |
JMF | 12:0071cb144c7a | 1445 | buf, buf ); |
JMF | 12:0071cb144c7a | 1446 | |
JMF | 12:0071cb144c7a | 1447 | if( memcmp( buf, aes_test_ctr_pt[u], len ) != 0 ) |
JMF | 12:0071cb144c7a | 1448 | { |
JMF | 12:0071cb144c7a | 1449 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1450 | mbedtls_printf( "failed\n" ); |
JMF | 12:0071cb144c7a | 1451 | |
JMF | 12:0071cb144c7a | 1452 | ret = 1; |
JMF | 12:0071cb144c7a | 1453 | goto exit; |
JMF | 12:0071cb144c7a | 1454 | } |
JMF | 12:0071cb144c7a | 1455 | } |
JMF | 12:0071cb144c7a | 1456 | else |
JMF | 12:0071cb144c7a | 1457 | { |
JMF | 12:0071cb144c7a | 1458 | len = aes_test_ctr_len[u]; |
JMF | 12:0071cb144c7a | 1459 | memcpy( buf, aes_test_ctr_pt[u], len ); |
JMF | 12:0071cb144c7a | 1460 | |
JMF | 12:0071cb144c7a | 1461 | mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block, |
JMF | 12:0071cb144c7a | 1462 | buf, buf ); |
JMF | 12:0071cb144c7a | 1463 | |
JMF | 12:0071cb144c7a | 1464 | if( memcmp( buf, aes_test_ctr_ct[u], len ) != 0 ) |
JMF | 12:0071cb144c7a | 1465 | { |
JMF | 12:0071cb144c7a | 1466 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1467 | mbedtls_printf( "failed\n" ); |
JMF | 12:0071cb144c7a | 1468 | |
JMF | 12:0071cb144c7a | 1469 | ret = 1; |
JMF | 12:0071cb144c7a | 1470 | goto exit; |
JMF | 12:0071cb144c7a | 1471 | } |
JMF | 12:0071cb144c7a | 1472 | } |
JMF | 12:0071cb144c7a | 1473 | |
JMF | 12:0071cb144c7a | 1474 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1475 | mbedtls_printf( "passed\n" ); |
JMF | 12:0071cb144c7a | 1476 | } |
JMF | 12:0071cb144c7a | 1477 | |
JMF | 12:0071cb144c7a | 1478 | if( verbose != 0 ) |
JMF | 12:0071cb144c7a | 1479 | mbedtls_printf( "\n" ); |
JMF | 12:0071cb144c7a | 1480 | #endif /* MBEDTLS_CIPHER_MODE_CTR */ |
JMF | 12:0071cb144c7a | 1481 | |
JMF | 12:0071cb144c7a | 1482 | ret = 0; |
JMF | 12:0071cb144c7a | 1483 | |
JMF | 12:0071cb144c7a | 1484 | exit: |
JMF | 12:0071cb144c7a | 1485 | mbedtls_aes_free( &ctx ); |
JMF | 12:0071cb144c7a | 1486 | |
JMF | 12:0071cb144c7a | 1487 | return( ret ); |
JMF | 12:0071cb144c7a | 1488 | } |
JMF | 12:0071cb144c7a | 1489 | |
JMF | 12:0071cb144c7a | 1490 | #endif /* MBEDTLS_SELF_TEST */ |
JMF | 12:0071cb144c7a | 1491 | |
JMF | 12:0071cb144c7a | 1492 | #endif /* MBEDTLS_AES_C */ |