1 | /*
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2 | * FIPS-197 compliant AES implementation
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3 | *
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4 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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5 | * SPDX-License-Identifier: Apache-2.0
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6 | *
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7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may
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8 | * not use this file except in compliance with the License.
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9 | * You may obtain a copy of the License at
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10 | *
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11 | * http://www.apache.org/licenses/LICENSE-2.0
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12 | *
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13 | * Unless required by applicable law or agreed to in writing, software
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14 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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15 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 | * See the License for the specific language governing permissions and
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17 | * limitations under the License.
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18 | *
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19 | * This file is part of mbed TLS (https://tls.mbed.org)
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20 | */
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21 | /*
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22 | * The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
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23 | *
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24 | * http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
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25 | * http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
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26 | */
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27 |
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28 | #if !defined(MBEDTLS_CONFIG_FILE)
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29 | #include "mbedtls/config.h"
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30 | #else
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31 | #include MBEDTLS_CONFIG_FILE
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32 | #endif
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33 |
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34 | #if defined(MBEDTLS_AES_C)
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35 |
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36 | #include <string.h>
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37 |
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38 | #include "mbedtls/aes.h"
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39 | #include "mbedtls/platform.h"
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40 | #include "mbedtls/platform_util.h"
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41 | #if defined(MBEDTLS_PADLOCK_C)
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42 | #include "mbedtls/padlock.h"
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43 | #endif
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44 | #if defined(MBEDTLS_AESNI_C)
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45 | #include "mbedtls/aesni.h"
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46 | #endif
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47 |
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48 | #if defined(MBEDTLS_SELF_TEST)
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49 | #if defined(MBEDTLS_PLATFORM_C)
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50 | #include "mbedtls/platform.h"
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51 | #else
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52 | #include <stdio.h>
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53 | #define mbedtls_printf printf
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54 | #endif /* MBEDTLS_PLATFORM_C */
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55 | #endif /* MBEDTLS_SELF_TEST */
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56 |
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57 | #if !defined(MBEDTLS_AES_ALT)
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58 |
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59 | /* Parameter validation macros based on platform_util.h */
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60 | #define AES_VALIDATE_RET( cond ) \
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61 | MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_AES_BAD_INPUT_DATA )
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62 | #define AES_VALIDATE( cond ) \
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63 | MBEDTLS_INTERNAL_VALIDATE( cond )
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64 |
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65 | /*
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66 | * 32-bit integer manipulation macros (little endian)
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67 | */
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68 | #ifndef GET_UINT32_LE
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69 | #define GET_UINT32_LE(n,b,i) \
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70 | { \
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71 | (n) = ( (uint32_t) (b)[(i) ] ) \
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72 | | ( (uint32_t) (b)[(i) + 1] << 8 ) \
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73 | | ( (uint32_t) (b)[(i) + 2] << 16 ) \
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74 | | ( (uint32_t) (b)[(i) + 3] << 24 ); \
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75 | }
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76 | #endif
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77 |
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78 | #ifndef PUT_UINT32_LE
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79 | #define PUT_UINT32_LE(n,b,i) \
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80 | { \
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81 | (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
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82 | (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
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83 | (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
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84 | (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
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85 | }
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86 | #endif
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87 |
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88 | #if defined(MBEDTLS_PADLOCK_C) && \
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89 | ( defined(MBEDTLS_HAVE_X86) || defined(MBEDTLS_PADLOCK_ALIGN16) )
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90 | static int aes_padlock_ace = -1;
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91 | #endif
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92 |
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93 | #if defined(MBEDTLS_AES_ROM_TABLES)
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94 | /*
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95 | * Forward S-box
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96 | */
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97 | static const unsigned char FSb[256] =
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98 | {
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99 | 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
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100 | 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
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101 | 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
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102 | 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
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103 | 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
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104 | 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
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105 | 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
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106 | 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
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107 | 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
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108 | 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
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109 | 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
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110 | 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
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111 | 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
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112 | 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
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113 | 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
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114 | 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
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115 | 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
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116 | 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
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117 | 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
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118 | 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
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119 | 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
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120 | 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
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121 | 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
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122 | 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
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123 | 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
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124 | 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
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125 | 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
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126 | 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
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127 | 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
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128 | 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
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129 | 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
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130 | 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
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131 | };
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132 |
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133 | /*
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134 | * Forward tables
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135 | */
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136 | #define FT \
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137 | \
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138 | V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \
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139 | V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \
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140 | V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \
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141 | V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \
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142 | V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \
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143 | V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \
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144 | V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \
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145 | V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \
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146 | V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \
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147 | V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \
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148 | V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \
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149 | V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \
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150 | V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \
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151 | V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \
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152 | V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \
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153 | V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \
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154 | V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \
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155 | V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \
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156 | V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \
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157 | V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \
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158 | V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \
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159 | V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \
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160 | V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \
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161 | V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \
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162 | V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \
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163 | V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \
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164 | V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \
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165 | V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \
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166 | V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \
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167 | V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \
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168 | V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \
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169 | V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \
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170 | V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \
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171 | V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \
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172 | V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \
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173 | V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \
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174 | V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \
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175 | V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \
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176 | V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \
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177 | V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \
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178 | V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \
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179 | V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \
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180 | V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \
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181 | V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \
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182 | V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \
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183 | V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \
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184 | V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \
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185 | V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \
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186 | V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \
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187 | V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \
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188 | V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \
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189 | V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \
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190 | V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \
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191 | V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \
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192 | V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \
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193 | V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \
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194 | V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \
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195 | V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \
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196 | V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \
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197 | V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \
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198 | V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \
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199 | V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \
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200 | V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \
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201 | V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C)
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202 |
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203 | #define V(a,b,c,d) 0x##a##b##c##d
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204 | static const uint32_t FT0[256] = { FT };
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205 | #undef V
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206 |
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207 | #if !defined(MBEDTLS_AES_FEWER_TABLES)
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208 |
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209 | #define V(a,b,c,d) 0x##b##c##d##a
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210 | static const uint32_t FT1[256] = { FT };
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211 | #undef V
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212 |
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213 | #define V(a,b,c,d) 0x##c##d##a##b
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214 | static const uint32_t FT2[256] = { FT };
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215 | #undef V
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216 |
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217 | #define V(a,b,c,d) 0x##d##a##b##c
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218 | static const uint32_t FT3[256] = { FT };
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219 | #undef V
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220 |
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221 | #endif /* !MBEDTLS_AES_FEWER_TABLES */
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222 |
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223 | #undef FT
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224 |
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225 | /*
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226 | * Reverse S-box
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227 | */
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228 | static const unsigned char RSb[256] =
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229 | {
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230 | 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
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231 | 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
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232 | 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
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233 | 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
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234 | 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
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235 | 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
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236 | 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
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237 | 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
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238 | 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
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239 | 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
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240 | 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
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241 | 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
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242 | 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
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243 | 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
|
---|
244 | 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
|
---|
245 | 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
|
---|
246 | 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
|
---|
247 | 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
|
---|
248 | 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
|
---|
249 | 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
|
---|
250 | 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
|
---|
251 | 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
|
---|
252 | 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
|
---|
253 | 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
|
---|
254 | 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
|
---|
255 | 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
|
---|
256 | 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
|
---|
257 | 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
|
---|
258 | 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
|
---|
259 | 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
|
---|
260 | 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
|
---|
261 | 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
|
---|
262 | };
|
---|
263 |
|
---|
264 | /*
|
---|
265 | * Reverse tables
|
---|
266 | */
|
---|
267 | #define RT \
|
---|
268 | \
|
---|
269 | V(50,A7,F4,51), V(53,65,41,7E), V(C3,A4,17,1A), V(96,5E,27,3A), \
|
---|
270 | V(CB,6B,AB,3B), V(F1,45,9D,1F), V(AB,58,FA,AC), V(93,03,E3,4B), \
|
---|
271 | V(55,FA,30,20), V(F6,6D,76,AD), V(91,76,CC,88), V(25,4C,02,F5), \
|
---|
272 | V(FC,D7,E5,4F), V(D7,CB,2A,C5), V(80,44,35,26), V(8F,A3,62,B5), \
|
---|
273 | V(49,5A,B1,DE), V(67,1B,BA,25), V(98,0E,EA,45), V(E1,C0,FE,5D), \
|
---|
274 | V(02,75,2F,C3), V(12,F0,4C,81), V(A3,97,46,8D), V(C6,F9,D3,6B), \
|
---|
275 | V(E7,5F,8F,03), V(95,9C,92,15), V(EB,7A,6D,BF), V(DA,59,52,95), \
|
---|
276 | V(2D,83,BE,D4), V(D3,21,74,58), V(29,69,E0,49), V(44,C8,C9,8E), \
|
---|
277 | V(6A,89,C2,75), V(78,79,8E,F4), V(6B,3E,58,99), V(DD,71,B9,27), \
|
---|
278 | V(B6,4F,E1,BE), V(17,AD,88,F0), V(66,AC,20,C9), V(B4,3A,CE,7D), \
|
---|
279 | V(18,4A,DF,63), V(82,31,1A,E5), V(60,33,51,97), V(45,7F,53,62), \
|
---|
280 | V(E0,77,64,B1), V(84,AE,6B,BB), V(1C,A0,81,FE), V(94,2B,08,F9), \
|
---|
281 | V(58,68,48,70), V(19,FD,45,8F), V(87,6C,DE,94), V(B7,F8,7B,52), \
|
---|
282 | V(23,D3,73,AB), V(E2,02,4B,72), V(57,8F,1F,E3), V(2A,AB,55,66), \
|
---|
283 | V(07,28,EB,B2), V(03,C2,B5,2F), V(9A,7B,C5,86), V(A5,08,37,D3), \
|
---|
284 | V(F2,87,28,30), V(B2,A5,BF,23), V(BA,6A,03,02), V(5C,82,16,ED), \
|
---|
285 | V(2B,1C,CF,8A), V(92,B4,79,A7), V(F0,F2,07,F3), V(A1,E2,69,4E), \
|
---|
286 | V(CD,F4,DA,65), V(D5,BE,05,06), V(1F,62,34,D1), V(8A,FE,A6,C4), \
|
---|
287 | V(9D,53,2E,34), V(A0,55,F3,A2), V(32,E1,8A,05), V(75,EB,F6,A4), \
|
---|
288 | V(39,EC,83,0B), V(AA,EF,60,40), V(06,9F,71,5E), V(51,10,6E,BD), \
|
---|
289 | V(F9,8A,21,3E), V(3D,06,DD,96), V(AE,05,3E,DD), V(46,BD,E6,4D), \
|
---|
290 | V(B5,8D,54,91), V(05,5D,C4,71), V(6F,D4,06,04), V(FF,15,50,60), \
|
---|
291 | V(24,FB,98,19), V(97,E9,BD,D6), V(CC,43,40,89), V(77,9E,D9,67), \
|
---|
292 | V(BD,42,E8,B0), V(88,8B,89,07), V(38,5B,19,E7), V(DB,EE,C8,79), \
|
---|
293 | V(47,0A,7C,A1), V(E9,0F,42,7C), V(C9,1E,84,F8), V(00,00,00,00), \
|
---|
294 | V(83,86,80,09), V(48,ED,2B,32), V(AC,70,11,1E), V(4E,72,5A,6C), \
|
---|
295 | V(FB,FF,0E,FD), V(56,38,85,0F), V(1E,D5,AE,3D), V(27,39,2D,36), \
|
---|
296 | V(64,D9,0F,0A), V(21,A6,5C,68), V(D1,54,5B,9B), V(3A,2E,36,24), \
|
---|
297 | V(B1,67,0A,0C), V(0F,E7,57,93), V(D2,96,EE,B4), V(9E,91,9B,1B), \
|
---|
298 | V(4F,C5,C0,80), V(A2,20,DC,61), V(69,4B,77,5A), V(16,1A,12,1C), \
|
---|
299 | V(0A,BA,93,E2), V(E5,2A,A0,C0), V(43,E0,22,3C), V(1D,17,1B,12), \
|
---|
300 | V(0B,0D,09,0E), V(AD,C7,8B,F2), V(B9,A8,B6,2D), V(C8,A9,1E,14), \
|
---|
301 | V(85,19,F1,57), V(4C,07,75,AF), V(BB,DD,99,EE), V(FD,60,7F,A3), \
|
---|
302 | V(9F,26,01,F7), V(BC,F5,72,5C), V(C5,3B,66,44), V(34,7E,FB,5B), \
|
---|
303 | V(76,29,43,8B), V(DC,C6,23,CB), V(68,FC,ED,B6), V(63,F1,E4,B8), \
|
---|
304 | V(CA,DC,31,D7), V(10,85,63,42), V(40,22,97,13), V(20,11,C6,84), \
|
---|
305 | V(7D,24,4A,85), V(F8,3D,BB,D2), V(11,32,F9,AE), V(6D,A1,29,C7), \
|
---|
306 | V(4B,2F,9E,1D), V(F3,30,B2,DC), V(EC,52,86,0D), V(D0,E3,C1,77), \
|
---|
307 | V(6C,16,B3,2B), V(99,B9,70,A9), V(FA,48,94,11), V(22,64,E9,47), \
|
---|
308 | V(C4,8C,FC,A8), V(1A,3F,F0,A0), V(D8,2C,7D,56), V(EF,90,33,22), \
|
---|
309 | V(C7,4E,49,87), V(C1,D1,38,D9), V(FE,A2,CA,8C), V(36,0B,D4,98), \
|
---|
310 | V(CF,81,F5,A6), V(28,DE,7A,A5), V(26,8E,B7,DA), V(A4,BF,AD,3F), \
|
---|
311 | V(E4,9D,3A,2C), V(0D,92,78,50), V(9B,CC,5F,6A), V(62,46,7E,54), \
|
---|
312 | V(C2,13,8D,F6), V(E8,B8,D8,90), V(5E,F7,39,2E), V(F5,AF,C3,82), \
|
---|
313 | V(BE,80,5D,9F), V(7C,93,D0,69), V(A9,2D,D5,6F), V(B3,12,25,CF), \
|
---|
314 | V(3B,99,AC,C8), V(A7,7D,18,10), V(6E,63,9C,E8), V(7B,BB,3B,DB), \
|
---|
315 | V(09,78,26,CD), V(F4,18,59,6E), V(01,B7,9A,EC), V(A8,9A,4F,83), \
|
---|
316 | V(65,6E,95,E6), V(7E,E6,FF,AA), V(08,CF,BC,21), V(E6,E8,15,EF), \
|
---|
317 | V(D9,9B,E7,BA), V(CE,36,6F,4A), V(D4,09,9F,EA), V(D6,7C,B0,29), \
|
---|
318 | V(AF,B2,A4,31), V(31,23,3F,2A), V(30,94,A5,C6), V(C0,66,A2,35), \
|
---|
319 | V(37,BC,4E,74), V(A6,CA,82,FC), V(B0,D0,90,E0), V(15,D8,A7,33), \
|
---|
320 | V(4A,98,04,F1), V(F7,DA,EC,41), V(0E,50,CD,7F), V(2F,F6,91,17), \
|
---|
321 | V(8D,D6,4D,76), V(4D,B0,EF,43), V(54,4D,AA,CC), V(DF,04,96,E4), \
|
---|
322 | V(E3,B5,D1,9E), V(1B,88,6A,4C), V(B8,1F,2C,C1), V(7F,51,65,46), \
|
---|
323 | V(04,EA,5E,9D), V(5D,35,8C,01), V(73,74,87,FA), V(2E,41,0B,FB), \
|
---|
324 | V(5A,1D,67,B3), V(52,D2,DB,92), V(33,56,10,E9), V(13,47,D6,6D), \
|
---|
325 | V(8C,61,D7,9A), V(7A,0C,A1,37), V(8E,14,F8,59), V(89,3C,13,EB), \
|
---|
326 | V(EE,27,A9,CE), V(35,C9,61,B7), V(ED,E5,1C,E1), V(3C,B1,47,7A), \
|
---|
327 | V(59,DF,D2,9C), V(3F,73,F2,55), V(79,CE,14,18), V(BF,37,C7,73), \
|
---|
328 | V(EA,CD,F7,53), V(5B,AA,FD,5F), V(14,6F,3D,DF), V(86,DB,44,78), \
|
---|
329 | V(81,F3,AF,CA), V(3E,C4,68,B9), V(2C,34,24,38), V(5F,40,A3,C2), \
|
---|
330 | V(72,C3,1D,16), V(0C,25,E2,BC), V(8B,49,3C,28), V(41,95,0D,FF), \
|
---|
331 | V(71,01,A8,39), V(DE,B3,0C,08), V(9C,E4,B4,D8), V(90,C1,56,64), \
|
---|
332 | V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0)
|
---|
333 |
|
---|
334 | #define V(a,b,c,d) 0x##a##b##c##d
|
---|
335 | static const uint32_t RT0[256] = { RT };
|
---|
336 | #undef V
|
---|
337 |
|
---|
338 | #if !defined(MBEDTLS_AES_FEWER_TABLES)
|
---|
339 |
|
---|
340 | #define V(a,b,c,d) 0x##b##c##d##a
|
---|
341 | static const uint32_t RT1[256] = { RT };
|
---|
342 | #undef V
|
---|
343 |
|
---|
344 | #define V(a,b,c,d) 0x##c##d##a##b
|
---|
345 | static const uint32_t RT2[256] = { RT };
|
---|
346 | #undef V
|
---|
347 |
|
---|
348 | #define V(a,b,c,d) 0x##d##a##b##c
|
---|
349 | static const uint32_t RT3[256] = { RT };
|
---|
350 | #undef V
|
---|
351 |
|
---|
352 | #endif /* !MBEDTLS_AES_FEWER_TABLES */
|
---|
353 |
|
---|
354 | #undef RT
|
---|
355 |
|
---|
356 | /*
|
---|
357 | * Round constants
|
---|
358 | */
|
---|
359 | static const uint32_t RCON[10] =
|
---|
360 | {
|
---|
361 | 0x00000001, 0x00000002, 0x00000004, 0x00000008,
|
---|
362 | 0x00000010, 0x00000020, 0x00000040, 0x00000080,
|
---|
363 | 0x0000001B, 0x00000036
|
---|
364 | };
|
---|
365 |
|
---|
366 | #else /* MBEDTLS_AES_ROM_TABLES */
|
---|
367 |
|
---|
368 | /*
|
---|
369 | * Forward S-box & tables
|
---|
370 | */
|
---|
371 | static unsigned char FSb[256];
|
---|
372 | static uint32_t FT0[256];
|
---|
373 | #if !defined(MBEDTLS_AES_FEWER_TABLES)
|
---|
374 | static uint32_t FT1[256];
|
---|
375 | static uint32_t FT2[256];
|
---|
376 | static uint32_t FT3[256];
|
---|
377 | #endif /* !MBEDTLS_AES_FEWER_TABLES */
|
---|
378 |
|
---|
379 | /*
|
---|
380 | * Reverse S-box & tables
|
---|
381 | */
|
---|
382 | static unsigned char RSb[256];
|
---|
383 | static uint32_t RT0[256];
|
---|
384 | #if !defined(MBEDTLS_AES_FEWER_TABLES)
|
---|
385 | static uint32_t RT1[256];
|
---|
386 | static uint32_t RT2[256];
|
---|
387 | static uint32_t RT3[256];
|
---|
388 | #endif /* !MBEDTLS_AES_FEWER_TABLES */
|
---|
389 |
|
---|
390 | /*
|
---|
391 | * Round constants
|
---|
392 | */
|
---|
393 | static uint32_t RCON[10];
|
---|
394 |
|
---|
395 | /*
|
---|
396 | * Tables generation code
|
---|
397 | */
|
---|
398 | #define ROTL8(x) ( ( x << 8 ) & 0xFFFFFFFF ) | ( x >> 24 )
|
---|
399 | #define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) )
|
---|
400 | #define MUL(x,y) ( ( x && y ) ? pow[(log[x]+log[y]) % 255] : 0 )
|
---|
401 |
|
---|
402 | static int aes_init_done = 0;
|
---|
403 |
|
---|
404 | static void aes_gen_tables( void )
|
---|
405 | {
|
---|
406 | int i, x, y, z;
|
---|
407 | int pow[256];
|
---|
408 | int log[256];
|
---|
409 |
|
---|
410 | /*
|
---|
411 | * compute pow and log tables over GF(2^8)
|
---|
412 | */
|
---|
413 | for( i = 0, x = 1; i < 256; i++ )
|
---|
414 | {
|
---|
415 | pow[i] = x;
|
---|
416 | log[x] = i;
|
---|
417 | x = ( x ^ XTIME( x ) ) & 0xFF;
|
---|
418 | }
|
---|
419 |
|
---|
420 | /*
|
---|
421 | * calculate the round constants
|
---|
422 | */
|
---|
423 | for( i = 0, x = 1; i < 10; i++ )
|
---|
424 | {
|
---|
425 | RCON[i] = (uint32_t) x;
|
---|
426 | x = XTIME( x ) & 0xFF;
|
---|
427 | }
|
---|
428 |
|
---|
429 | /*
|
---|
430 | * generate the forward and reverse S-boxes
|
---|
431 | */
|
---|
432 | FSb[0x00] = 0x63;
|
---|
433 | RSb[0x63] = 0x00;
|
---|
434 |
|
---|
435 | for( i = 1; i < 256; i++ )
|
---|
436 | {
|
---|
437 | x = pow[255 - log[i]];
|
---|
438 |
|
---|
439 | y = x; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
|
---|
440 | x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
|
---|
441 | x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
|
---|
442 | x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
|
---|
443 | x ^= y ^ 0x63;
|
---|
444 |
|
---|
445 | FSb[i] = (unsigned char) x;
|
---|
446 | RSb[x] = (unsigned char) i;
|
---|
447 | }
|
---|
448 |
|
---|
449 | /*
|
---|
450 | * generate the forward and reverse tables
|
---|
451 | */
|
---|
452 | for( i = 0; i < 256; i++ )
|
---|
453 | {
|
---|
454 | x = FSb[i];
|
---|
455 | y = XTIME( x ) & 0xFF;
|
---|
456 | z = ( y ^ x ) & 0xFF;
|
---|
457 |
|
---|
458 | FT0[i] = ( (uint32_t) y ) ^
|
---|
459 | ( (uint32_t) x << 8 ) ^
|
---|
460 | ( (uint32_t) x << 16 ) ^
|
---|
461 | ( (uint32_t) z << 24 );
|
---|
462 |
|
---|
463 | #if !defined(MBEDTLS_AES_FEWER_TABLES)
|
---|
464 | FT1[i] = ROTL8( FT0[i] );
|
---|
465 | FT2[i] = ROTL8( FT1[i] );
|
---|
466 | FT3[i] = ROTL8( FT2[i] );
|
---|
467 | #endif /* !MBEDTLS_AES_FEWER_TABLES */
|
---|
468 |
|
---|
469 | x = RSb[i];
|
---|
470 |
|
---|
471 | RT0[i] = ( (uint32_t) MUL( 0x0E, x ) ) ^
|
---|
472 | ( (uint32_t) MUL( 0x09, x ) << 8 ) ^
|
---|
473 | ( (uint32_t) MUL( 0x0D, x ) << 16 ) ^
|
---|
474 | ( (uint32_t) MUL( 0x0B, x ) << 24 );
|
---|
475 |
|
---|
476 | #if !defined(MBEDTLS_AES_FEWER_TABLES)
|
---|
477 | RT1[i] = ROTL8( RT0[i] );
|
---|
478 | RT2[i] = ROTL8( RT1[i] );
|
---|
479 | RT3[i] = ROTL8( RT2[i] );
|
---|
480 | #endif /* !MBEDTLS_AES_FEWER_TABLES */
|
---|
481 | }
|
---|
482 | }
|
---|
483 |
|
---|
484 | #undef ROTL8
|
---|
485 |
|
---|
486 | #endif /* MBEDTLS_AES_ROM_TABLES */
|
---|
487 |
|
---|
488 | #if defined(MBEDTLS_AES_FEWER_TABLES)
|
---|
489 |
|
---|
490 | #define ROTL8(x) ( (uint32_t)( ( x ) << 8 ) + (uint32_t)( ( x ) >> 24 ) )
|
---|
491 | #define ROTL16(x) ( (uint32_t)( ( x ) << 16 ) + (uint32_t)( ( x ) >> 16 ) )
|
---|
492 | #define ROTL24(x) ( (uint32_t)( ( x ) << 24 ) + (uint32_t)( ( x ) >> 8 ) )
|
---|
493 |
|
---|
494 | #define AES_RT0(idx) RT0[idx]
|
---|
495 | #define AES_RT1(idx) ROTL8( RT0[idx] )
|
---|
496 | #define AES_RT2(idx) ROTL16( RT0[idx] )
|
---|
497 | #define AES_RT3(idx) ROTL24( RT0[idx] )
|
---|
498 |
|
---|
499 | #define AES_FT0(idx) FT0[idx]
|
---|
500 | #define AES_FT1(idx) ROTL8( FT0[idx] )
|
---|
501 | #define AES_FT2(idx) ROTL16( FT0[idx] )
|
---|
502 | #define AES_FT3(idx) ROTL24( FT0[idx] )
|
---|
503 |
|
---|
504 | #else /* MBEDTLS_AES_FEWER_TABLES */
|
---|
505 |
|
---|
506 | #define AES_RT0(idx) RT0[idx]
|
---|
507 | #define AES_RT1(idx) RT1[idx]
|
---|
508 | #define AES_RT2(idx) RT2[idx]
|
---|
509 | #define AES_RT3(idx) RT3[idx]
|
---|
510 |
|
---|
511 | #define AES_FT0(idx) FT0[idx]
|
---|
512 | #define AES_FT1(idx) FT1[idx]
|
---|
513 | #define AES_FT2(idx) FT2[idx]
|
---|
514 | #define AES_FT3(idx) FT3[idx]
|
---|
515 |
|
---|
516 | #endif /* MBEDTLS_AES_FEWER_TABLES */
|
---|
517 |
|
---|
518 | void mbedtls_aes_init( mbedtls_aes_context *ctx )
|
---|
519 | {
|
---|
520 | AES_VALIDATE( ctx != NULL );
|
---|
521 |
|
---|
522 | memset( ctx, 0, sizeof( mbedtls_aes_context ) );
|
---|
523 | }
|
---|
524 |
|
---|
525 | void mbedtls_aes_free( mbedtls_aes_context *ctx )
|
---|
526 | {
|
---|
527 | if( ctx == NULL )
|
---|
528 | return;
|
---|
529 |
|
---|
530 | mbedtls_platform_zeroize( ctx, sizeof( mbedtls_aes_context ) );
|
---|
531 | }
|
---|
532 |
|
---|
533 | #if defined(MBEDTLS_CIPHER_MODE_XTS)
|
---|
534 | void mbedtls_aes_xts_init( mbedtls_aes_xts_context *ctx )
|
---|
535 | {
|
---|
536 | AES_VALIDATE( ctx != NULL );
|
---|
537 |
|
---|
538 | mbedtls_aes_init( &ctx->crypt );
|
---|
539 | mbedtls_aes_init( &ctx->tweak );
|
---|
540 | }
|
---|
541 |
|
---|
542 | void mbedtls_aes_xts_free( mbedtls_aes_xts_context *ctx )
|
---|
543 | {
|
---|
544 | if( ctx == NULL )
|
---|
545 | return;
|
---|
546 |
|
---|
547 | mbedtls_aes_free( &ctx->crypt );
|
---|
548 | mbedtls_aes_free( &ctx->tweak );
|
---|
549 | }
|
---|
550 | #endif /* MBEDTLS_CIPHER_MODE_XTS */
|
---|
551 |
|
---|
552 | /*
|
---|
553 | * AES key schedule (encryption)
|
---|
554 | */
|
---|
555 | #if !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
|
---|
556 | int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
|
---|
557 | unsigned int keybits )
|
---|
558 | {
|
---|
559 | unsigned int i;
|
---|
560 | uint32_t *RK;
|
---|
561 |
|
---|
562 | AES_VALIDATE_RET( ctx != NULL );
|
---|
563 | AES_VALIDATE_RET( key != NULL );
|
---|
564 |
|
---|
565 | switch( keybits )
|
---|
566 | {
|
---|
567 | case 128: ctx->nr = 10; break;
|
---|
568 | case 192: ctx->nr = 12; break;
|
---|
569 | case 256: ctx->nr = 14; break;
|
---|
570 | default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
|
---|
571 | }
|
---|
572 |
|
---|
573 | #if !defined(MBEDTLS_AES_ROM_TABLES)
|
---|
574 | if( aes_init_done == 0 )
|
---|
575 | {
|
---|
576 | aes_gen_tables();
|
---|
577 | aes_init_done = 1;
|
---|
578 | }
|
---|
579 | #endif
|
---|
580 |
|
---|
581 | #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
|
---|
582 | if( aes_padlock_ace == -1 )
|
---|
583 | aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
|
---|
584 |
|
---|
585 | if( aes_padlock_ace )
|
---|
586 | ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
|
---|
587 | else
|
---|
588 | #endif
|
---|
589 | ctx->rk = RK = ctx->buf;
|
---|
590 |
|
---|
591 | #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
|
---|
592 | if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
|
---|
593 | return( mbedtls_aesni_setkey_enc( (unsigned char *) ctx->rk, key, keybits ) );
|
---|
594 | #endif
|
---|
595 |
|
---|
596 | for( i = 0; i < ( keybits >> 5 ); i++ )
|
---|
597 | {
|
---|
598 | GET_UINT32_LE( RK[i], key, i << 2 );
|
---|
599 | }
|
---|
600 |
|
---|
601 | switch( ctx->nr )
|
---|
602 | {
|
---|
603 | case 10:
|
---|
604 |
|
---|
605 | for( i = 0; i < 10; i++, RK += 4 )
|
---|
606 | {
|
---|
607 | RK[4] = RK[0] ^ RCON[i] ^
|
---|
608 | ( (uint32_t) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^
|
---|
609 | ( (uint32_t) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^
|
---|
610 | ( (uint32_t) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^
|
---|
611 | ( (uint32_t) FSb[ ( RK[3] ) & 0xFF ] << 24 );
|
---|
612 |
|
---|
613 | RK[5] = RK[1] ^ RK[4];
|
---|
614 | RK[6] = RK[2] ^ RK[5];
|
---|
615 | RK[7] = RK[3] ^ RK[6];
|
---|
616 | }
|
---|
617 | break;
|
---|
618 |
|
---|
619 | case 12:
|
---|
620 |
|
---|
621 | for( i = 0; i < 8; i++, RK += 6 )
|
---|
622 | {
|
---|
623 | RK[6] = RK[0] ^ RCON[i] ^
|
---|
624 | ( (uint32_t) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^
|
---|
625 | ( (uint32_t) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^
|
---|
626 | ( (uint32_t) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^
|
---|
627 | ( (uint32_t) FSb[ ( RK[5] ) & 0xFF ] << 24 );
|
---|
628 |
|
---|
629 | RK[7] = RK[1] ^ RK[6];
|
---|
630 | RK[8] = RK[2] ^ RK[7];
|
---|
631 | RK[9] = RK[3] ^ RK[8];
|
---|
632 | RK[10] = RK[4] ^ RK[9];
|
---|
633 | RK[11] = RK[5] ^ RK[10];
|
---|
634 | }
|
---|
635 | break;
|
---|
636 |
|
---|
637 | case 14:
|
---|
638 |
|
---|
639 | for( i = 0; i < 7; i++, RK += 8 )
|
---|
640 | {
|
---|
641 | RK[8] = RK[0] ^ RCON[i] ^
|
---|
642 | ( (uint32_t) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^
|
---|
643 | ( (uint32_t) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^
|
---|
644 | ( (uint32_t) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^
|
---|
645 | ( (uint32_t) FSb[ ( RK[7] ) & 0xFF ] << 24 );
|
---|
646 |
|
---|
647 | RK[9] = RK[1] ^ RK[8];
|
---|
648 | RK[10] = RK[2] ^ RK[9];
|
---|
649 | RK[11] = RK[3] ^ RK[10];
|
---|
650 |
|
---|
651 | RK[12] = RK[4] ^
|
---|
652 | ( (uint32_t) FSb[ ( RK[11] ) & 0xFF ] ) ^
|
---|
653 | ( (uint32_t) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^
|
---|
654 | ( (uint32_t) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^
|
---|
655 | ( (uint32_t) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 );
|
---|
656 |
|
---|
657 | RK[13] = RK[5] ^ RK[12];
|
---|
658 | RK[14] = RK[6] ^ RK[13];
|
---|
659 | RK[15] = RK[7] ^ RK[14];
|
---|
660 | }
|
---|
661 | break;
|
---|
662 | }
|
---|
663 |
|
---|
664 | return( 0 );
|
---|
665 | }
|
---|
666 | #endif /* !MBEDTLS_AES_SETKEY_ENC_ALT */
|
---|
667 |
|
---|
668 | /*
|
---|
669 | * AES key schedule (decryption)
|
---|
670 | */
|
---|
671 | #if !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
|
---|
672 | int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
|
---|
673 | unsigned int keybits )
|
---|
674 | {
|
---|
675 | int i, j, ret;
|
---|
676 | mbedtls_aes_context cty;
|
---|
677 | uint32_t *RK;
|
---|
678 | uint32_t *SK;
|
---|
679 |
|
---|
680 | AES_VALIDATE_RET( ctx != NULL );
|
---|
681 | AES_VALIDATE_RET( key != NULL );
|
---|
682 |
|
---|
683 | mbedtls_aes_init( &cty );
|
---|
684 |
|
---|
685 | #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
|
---|
686 | if( aes_padlock_ace == -1 )
|
---|
687 | aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
|
---|
688 |
|
---|
689 | if( aes_padlock_ace )
|
---|
690 | ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
|
---|
691 | else
|
---|
692 | #endif
|
---|
693 | ctx->rk = RK = ctx->buf;
|
---|
694 |
|
---|
695 | /* Also checks keybits */
|
---|
696 | if( ( ret = mbedtls_aes_setkey_enc( &cty, key, keybits ) ) != 0 )
|
---|
697 | goto exit;
|
---|
698 |
|
---|
699 | ctx->nr = cty.nr;
|
---|
700 |
|
---|
701 | #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
|
---|
702 | if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
|
---|
703 | {
|
---|
704 | mbedtls_aesni_inverse_key( (unsigned char *) ctx->rk,
|
---|
705 | (const unsigned char *) cty.rk, ctx->nr );
|
---|
706 | goto exit;
|
---|
707 | }
|
---|
708 | #endif
|
---|
709 |
|
---|
710 | SK = cty.rk + cty.nr * 4;
|
---|
711 |
|
---|
712 | *RK++ = *SK++;
|
---|
713 | *RK++ = *SK++;
|
---|
714 | *RK++ = *SK++;
|
---|
715 | *RK++ = *SK++;
|
---|
716 |
|
---|
717 | for( i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8 )
|
---|
718 | {
|
---|
719 | for( j = 0; j < 4; j++, SK++ )
|
---|
720 | {
|
---|
721 | *RK++ = AES_RT0( FSb[ ( *SK ) & 0xFF ] ) ^
|
---|
722 | AES_RT1( FSb[ ( *SK >> 8 ) & 0xFF ] ) ^
|
---|
723 | AES_RT2( FSb[ ( *SK >> 16 ) & 0xFF ] ) ^
|
---|
724 | AES_RT3( FSb[ ( *SK >> 24 ) & 0xFF ] );
|
---|
725 | }
|
---|
726 | }
|
---|
727 |
|
---|
728 | *RK++ = *SK++;
|
---|
729 | *RK++ = *SK++;
|
---|
730 | *RK++ = *SK++;
|
---|
731 | *RK++ = *SK++;
|
---|
732 |
|
---|
733 | exit:
|
---|
734 | mbedtls_aes_free( &cty );
|
---|
735 |
|
---|
736 | return( ret );
|
---|
737 | }
|
---|
738 |
|
---|
739 | #if defined(MBEDTLS_CIPHER_MODE_XTS)
|
---|
740 | static int mbedtls_aes_xts_decode_keys( const unsigned char *key,
|
---|
741 | unsigned int keybits,
|
---|
742 | const unsigned char **key1,
|
---|
743 | unsigned int *key1bits,
|
---|
744 | const unsigned char **key2,
|
---|
745 | unsigned int *key2bits )
|
---|
746 | {
|
---|
747 | const unsigned int half_keybits = keybits / 2;
|
---|
748 | const unsigned int half_keybytes = half_keybits / 8;
|
---|
749 |
|
---|
750 | switch( keybits )
|
---|
751 | {
|
---|
752 | case 256: break;
|
---|
753 | case 512: break;
|
---|
754 | default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
|
---|
755 | }
|
---|
756 |
|
---|
757 | *key1bits = half_keybits;
|
---|
758 | *key2bits = half_keybits;
|
---|
759 | *key1 = &key[0];
|
---|
760 | *key2 = &key[half_keybytes];
|
---|
761 |
|
---|
762 | return 0;
|
---|
763 | }
|
---|
764 |
|
---|
765 | int mbedtls_aes_xts_setkey_enc( mbedtls_aes_xts_context *ctx,
|
---|
766 | const unsigned char *key,
|
---|
767 | unsigned int keybits)
|
---|
768 | {
|
---|
769 | int ret;
|
---|
770 | const unsigned char *key1, *key2;
|
---|
771 | unsigned int key1bits, key2bits;
|
---|
772 |
|
---|
773 | AES_VALIDATE_RET( ctx != NULL );
|
---|
774 | AES_VALIDATE_RET( key != NULL );
|
---|
775 |
|
---|
776 | ret = mbedtls_aes_xts_decode_keys( key, keybits, &key1, &key1bits,
|
---|
777 | &key2, &key2bits );
|
---|
778 | if( ret != 0 )
|
---|
779 | return( ret );
|
---|
780 |
|
---|
781 | /* Set the tweak key. Always set tweak key for the encryption mode. */
|
---|
782 | ret = mbedtls_aes_setkey_enc( &ctx->tweak, key2, key2bits );
|
---|
783 | if( ret != 0 )
|
---|
784 | return( ret );
|
---|
785 |
|
---|
786 | /* Set crypt key for encryption. */
|
---|
787 | return mbedtls_aes_setkey_enc( &ctx->crypt, key1, key1bits );
|
---|
788 | }
|
---|
789 |
|
---|
790 | int mbedtls_aes_xts_setkey_dec( mbedtls_aes_xts_context *ctx,
|
---|
791 | const unsigned char *key,
|
---|
792 | unsigned int keybits)
|
---|
793 | {
|
---|
794 | int ret;
|
---|
795 | const unsigned char *key1, *key2;
|
---|
796 | unsigned int key1bits, key2bits;
|
---|
797 |
|
---|
798 | AES_VALIDATE_RET( ctx != NULL );
|
---|
799 | AES_VALIDATE_RET( key != NULL );
|
---|
800 |
|
---|
801 | ret = mbedtls_aes_xts_decode_keys( key, keybits, &key1, &key1bits,
|
---|
802 | &key2, &key2bits );
|
---|
803 | if( ret != 0 )
|
---|
804 | return( ret );
|
---|
805 |
|
---|
806 | /* Set the tweak key. Always set tweak key for encryption. */
|
---|
807 | ret = mbedtls_aes_setkey_enc( &ctx->tweak, key2, key2bits );
|
---|
808 | if( ret != 0 )
|
---|
809 | return( ret );
|
---|
810 |
|
---|
811 | /* Set crypt key for decryption. */
|
---|
812 | return mbedtls_aes_setkey_dec( &ctx->crypt, key1, key1bits );
|
---|
813 | }
|
---|
814 | #endif /* MBEDTLS_CIPHER_MODE_XTS */
|
---|
815 |
|
---|
816 | #endif /* !MBEDTLS_AES_SETKEY_DEC_ALT */
|
---|
817 |
|
---|
818 | #define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
|
---|
819 | { \
|
---|
820 | X0 = *RK++ ^ AES_FT0( ( Y0 ) & 0xFF ) ^ \
|
---|
821 | AES_FT1( ( Y1 >> 8 ) & 0xFF ) ^ \
|
---|
822 | AES_FT2( ( Y2 >> 16 ) & 0xFF ) ^ \
|
---|
823 | AES_FT3( ( Y3 >> 24 ) & 0xFF ); \
|
---|
824 | \
|
---|
825 | X1 = *RK++ ^ AES_FT0( ( Y1 ) & 0xFF ) ^ \
|
---|
826 | AES_FT1( ( Y2 >> 8 ) & 0xFF ) ^ \
|
---|
827 | AES_FT2( ( Y3 >> 16 ) & 0xFF ) ^ \
|
---|
828 | AES_FT3( ( Y0 >> 24 ) & 0xFF ); \
|
---|
829 | \
|
---|
830 | X2 = *RK++ ^ AES_FT0( ( Y2 ) & 0xFF ) ^ \
|
---|
831 | AES_FT1( ( Y3 >> 8 ) & 0xFF ) ^ \
|
---|
832 | AES_FT2( ( Y0 >> 16 ) & 0xFF ) ^ \
|
---|
833 | AES_FT3( ( Y1 >> 24 ) & 0xFF ); \
|
---|
834 | \
|
---|
835 | X3 = *RK++ ^ AES_FT0( ( Y3 ) & 0xFF ) ^ \
|
---|
836 | AES_FT1( ( Y0 >> 8 ) & 0xFF ) ^ \
|
---|
837 | AES_FT2( ( Y1 >> 16 ) & 0xFF ) ^ \
|
---|
838 | AES_FT3( ( Y2 >> 24 ) & 0xFF ); \
|
---|
839 | }
|
---|
840 |
|
---|
841 | #define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
|
---|
842 | { \
|
---|
843 | X0 = *RK++ ^ AES_RT0( ( Y0 ) & 0xFF ) ^ \
|
---|
844 | AES_RT1( ( Y3 >> 8 ) & 0xFF ) ^ \
|
---|
845 | AES_RT2( ( Y2 >> 16 ) & 0xFF ) ^ \
|
---|
846 | AES_RT3( ( Y1 >> 24 ) & 0xFF ); \
|
---|
847 | \
|
---|
848 | X1 = *RK++ ^ AES_RT0( ( Y1 ) & 0xFF ) ^ \
|
---|
849 | AES_RT1( ( Y0 >> 8 ) & 0xFF ) ^ \
|
---|
850 | AES_RT2( ( Y3 >> 16 ) & 0xFF ) ^ \
|
---|
851 | AES_RT3( ( Y2 >> 24 ) & 0xFF ); \
|
---|
852 | \
|
---|
853 | X2 = *RK++ ^ AES_RT0( ( Y2 ) & 0xFF ) ^ \
|
---|
854 | AES_RT1( ( Y1 >> 8 ) & 0xFF ) ^ \
|
---|
855 | AES_RT2( ( Y0 >> 16 ) & 0xFF ) ^ \
|
---|
856 | AES_RT3( ( Y3 >> 24 ) & 0xFF ); \
|
---|
857 | \
|
---|
858 | X3 = *RK++ ^ AES_RT0( ( Y3 ) & 0xFF ) ^ \
|
---|
859 | AES_RT1( ( Y2 >> 8 ) & 0xFF ) ^ \
|
---|
860 | AES_RT2( ( Y1 >> 16 ) & 0xFF ) ^ \
|
---|
861 | AES_RT3( ( Y0 >> 24 ) & 0xFF ); \
|
---|
862 | }
|
---|
863 |
|
---|
864 | /*
|
---|
865 | * AES-ECB block encryption
|
---|
866 | */
|
---|
867 | #if !defined(MBEDTLS_AES_ENCRYPT_ALT)
|
---|
868 | int mbedtls_internal_aes_encrypt( mbedtls_aes_context *ctx,
|
---|
869 | const unsigned char input[16],
|
---|
870 | unsigned char output[16] )
|
---|
871 | {
|
---|
872 | int i;
|
---|
873 | uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
|
---|
874 |
|
---|
875 | RK = ctx->rk;
|
---|
876 |
|
---|
877 | GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
|
---|
878 | GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
|
---|
879 | GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
|
---|
880 | GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
|
---|
881 |
|
---|
882 | for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
|
---|
883 | {
|
---|
884 | AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
|
---|
885 | AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
|
---|
886 | }
|
---|
887 |
|
---|
888 | AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
|
---|
889 |
|
---|
890 | X0 = *RK++ ^ \
|
---|
891 | ( (uint32_t) FSb[ ( Y0 ) & 0xFF ] ) ^
|
---|
892 | ( (uint32_t) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
|
---|
893 | ( (uint32_t) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
|
---|
894 | ( (uint32_t) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
|
---|
895 |
|
---|
896 | X1 = *RK++ ^ \
|
---|
897 | ( (uint32_t) FSb[ ( Y1 ) & 0xFF ] ) ^
|
---|
898 | ( (uint32_t) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
|
---|
899 | ( (uint32_t) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
|
---|
900 | ( (uint32_t) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
|
---|
901 |
|
---|
902 | X2 = *RK++ ^ \
|
---|
903 | ( (uint32_t) FSb[ ( Y2 ) & 0xFF ] ) ^
|
---|
904 | ( (uint32_t) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
|
---|
905 | ( (uint32_t) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
|
---|
906 | ( (uint32_t) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
|
---|
907 |
|
---|
908 | X3 = *RK++ ^ \
|
---|
909 | ( (uint32_t) FSb[ ( Y3 ) & 0xFF ] ) ^
|
---|
910 | ( (uint32_t) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
|
---|
911 | ( (uint32_t) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
|
---|
912 | ( (uint32_t) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
|
---|
913 |
|
---|
914 | PUT_UINT32_LE( X0, output, 0 );
|
---|
915 | PUT_UINT32_LE( X1, output, 4 );
|
---|
916 | PUT_UINT32_LE( X2, output, 8 );
|
---|
917 | PUT_UINT32_LE( X3, output, 12 );
|
---|
918 |
|
---|
919 | return( 0 );
|
---|
920 | }
|
---|
921 | #endif /* !MBEDTLS_AES_ENCRYPT_ALT */
|
---|
922 |
|
---|
923 | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
|
---|
924 | void mbedtls_aes_encrypt( mbedtls_aes_context *ctx,
|
---|
925 | const unsigned char input[16],
|
---|
926 | unsigned char output[16] )
|
---|
927 | {
|
---|
928 | mbedtls_internal_aes_encrypt( ctx, input, output );
|
---|
929 | }
|
---|
930 | #endif /* !MBEDTLS_DEPRECATED_REMOVED */
|
---|
931 |
|
---|
932 | /*
|
---|
933 | * AES-ECB block decryption
|
---|
934 | */
|
---|
935 | #if !defined(MBEDTLS_AES_DECRYPT_ALT)
|
---|
936 | int mbedtls_internal_aes_decrypt( mbedtls_aes_context *ctx,
|
---|
937 | const unsigned char input[16],
|
---|
938 | unsigned char output[16] )
|
---|
939 | {
|
---|
940 | int i;
|
---|
941 | uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
|
---|
942 |
|
---|
943 | RK = ctx->rk;
|
---|
944 |
|
---|
945 | GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
|
---|
946 | GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
|
---|
947 | GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
|
---|
948 | GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
|
---|
949 |
|
---|
950 | for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
|
---|
951 | {
|
---|
952 | AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
|
---|
953 | AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
|
---|
954 | }
|
---|
955 |
|
---|
956 | AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
|
---|
957 |
|
---|
958 | X0 = *RK++ ^ \
|
---|
959 | ( (uint32_t) RSb[ ( Y0 ) & 0xFF ] ) ^
|
---|
960 | ( (uint32_t) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
|
---|
961 | ( (uint32_t) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
|
---|
962 | ( (uint32_t) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
|
---|
963 |
|
---|
964 | X1 = *RK++ ^ \
|
---|
965 | ( (uint32_t) RSb[ ( Y1 ) & 0xFF ] ) ^
|
---|
966 | ( (uint32_t) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
|
---|
967 | ( (uint32_t) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
|
---|
968 | ( (uint32_t) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
|
---|
969 |
|
---|
970 | X2 = *RK++ ^ \
|
---|
971 | ( (uint32_t) RSb[ ( Y2 ) & 0xFF ] ) ^
|
---|
972 | ( (uint32_t) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
|
---|
973 | ( (uint32_t) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
|
---|
974 | ( (uint32_t) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
|
---|
975 |
|
---|
976 | X3 = *RK++ ^ \
|
---|
977 | ( (uint32_t) RSb[ ( Y3 ) & 0xFF ] ) ^
|
---|
978 | ( (uint32_t) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
|
---|
979 | ( (uint32_t) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
|
---|
980 | ( (uint32_t) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
|
---|
981 |
|
---|
982 | PUT_UINT32_LE( X0, output, 0 );
|
---|
983 | PUT_UINT32_LE( X1, output, 4 );
|
---|
984 | PUT_UINT32_LE( X2, output, 8 );
|
---|
985 | PUT_UINT32_LE( X3, output, 12 );
|
---|
986 |
|
---|
987 | return( 0 );
|
---|
988 | }
|
---|
989 | #endif /* !MBEDTLS_AES_DECRYPT_ALT */
|
---|
990 |
|
---|
991 | #if !defined(MBEDTLS_DEPRECATED_REMOVED)
|
---|
992 | void mbedtls_aes_decrypt( mbedtls_aes_context *ctx,
|
---|
993 | const unsigned char input[16],
|
---|
994 | unsigned char output[16] )
|
---|
995 | {
|
---|
996 | mbedtls_internal_aes_decrypt( ctx, input, output );
|
---|
997 | }
|
---|
998 | #endif /* !MBEDTLS_DEPRECATED_REMOVED */
|
---|
999 |
|
---|
1000 | /*
|
---|
1001 | * AES-ECB block encryption/decryption
|
---|
1002 | */
|
---|
1003 | int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
|
---|
1004 | int mode,
|
---|
1005 | const unsigned char input[16],
|
---|
1006 | unsigned char output[16] )
|
---|
1007 | {
|
---|
1008 | AES_VALIDATE_RET( ctx != NULL );
|
---|
1009 | AES_VALIDATE_RET( input != NULL );
|
---|
1010 | AES_VALIDATE_RET( output != NULL );
|
---|
1011 | AES_VALIDATE_RET( mode == MBEDTLS_AES_ENCRYPT ||
|
---|
1012 | mode == MBEDTLS_AES_DECRYPT );
|
---|
1013 |
|
---|
1014 | #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
|
---|
1015 | if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
|
---|
1016 | return( mbedtls_aesni_crypt_ecb( ctx, mode, input, output ) );
|
---|
1017 | #endif
|
---|
1018 |
|
---|
1019 | #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
|
---|
1020 | if( aes_padlock_ace )
|
---|
1021 | {
|
---|
1022 | if( mbedtls_padlock_xcryptecb( ctx, mode, input, output ) == 0 )
|
---|
1023 | return( 0 );
|
---|
1024 |
|
---|
1025 | // If padlock data misaligned, we just fall back to
|
---|
1026 | // unaccelerated mode
|
---|
1027 | //
|
---|
1028 | }
|
---|
1029 | #endif
|
---|
1030 |
|
---|
1031 | if( mode == MBEDTLS_AES_ENCRYPT )
|
---|
1032 | return( mbedtls_internal_aes_encrypt( ctx, input, output ) );
|
---|
1033 | else
|
---|
1034 | return( mbedtls_internal_aes_decrypt( ctx, input, output ) );
|
---|
1035 | }
|
---|
1036 |
|
---|
1037 | #if defined(MBEDTLS_CIPHER_MODE_CBC)
|
---|
1038 | /*
|
---|
1039 | * AES-CBC buffer encryption/decryption
|
---|
1040 | */
|
---|
1041 | int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
|
---|
1042 | int mode,
|
---|
1043 | size_t length,
|
---|
1044 | unsigned char iv[16],
|
---|
1045 | const unsigned char *input,
|
---|
1046 | unsigned char *output )
|
---|
1047 | {
|
---|
1048 | int i;
|
---|
1049 | unsigned char temp[16];
|
---|
1050 |
|
---|
1051 | AES_VALIDATE_RET( ctx != NULL );
|
---|
1052 | AES_VALIDATE_RET( mode == MBEDTLS_AES_ENCRYPT ||
|
---|
1053 | mode == MBEDTLS_AES_DECRYPT );
|
---|
1054 | AES_VALIDATE_RET( iv != NULL );
|
---|
1055 | AES_VALIDATE_RET( input != NULL );
|
---|
1056 | AES_VALIDATE_RET( output != NULL );
|
---|
1057 |
|
---|
1058 | if( length % 16 )
|
---|
1059 | return( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
|
---|
1060 |
|
---|
1061 | #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
|
---|
1062 | if( aes_padlock_ace )
|
---|
1063 | {
|
---|
1064 | if( mbedtls_padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 )
|
---|
1065 | return( 0 );
|
---|
1066 |
|
---|
1067 | // If padlock data misaligned, we just fall back to
|
---|
1068 | // unaccelerated mode
|
---|
1069 | //
|
---|
1070 | }
|
---|
1071 | #endif
|
---|
1072 |
|
---|
1073 | if( mode == MBEDTLS_AES_DECRYPT )
|
---|
1074 | {
|
---|
1075 | while( length > 0 )
|
---|
1076 | {
|
---|
1077 | memcpy( temp, input, 16 );
|
---|
1078 | mbedtls_aes_crypt_ecb( ctx, mode, input, output );
|
---|
1079 |
|
---|
1080 | for( i = 0; i < 16; i++ )
|
---|
1081 | output[i] = (unsigned char)( output[i] ^ iv[i] );
|
---|
1082 |
|
---|
1083 | memcpy( iv, temp, 16 );
|
---|
1084 |
|
---|
1085 | input += 16;
|
---|
1086 | output += 16;
|
---|
1087 | length -= 16;
|
---|
1088 | }
|
---|
1089 | }
|
---|
1090 | else
|
---|
1091 | {
|
---|
1092 | while( length > 0 )
|
---|
1093 | {
|
---|
1094 | for( i = 0; i < 16; i++ )
|
---|
1095 | output[i] = (unsigned char)( input[i] ^ iv[i] );
|
---|
1096 |
|
---|
1097 | mbedtls_aes_crypt_ecb( ctx, mode, output, output );
|
---|
1098 | memcpy( iv, output, 16 );
|
---|
1099 |
|
---|
1100 | input += 16;
|
---|
1101 | output += 16;
|
---|
1102 | length -= 16;
|
---|
1103 | }
|
---|
1104 | }
|
---|
1105 |
|
---|
1106 | return( 0 );
|
---|
1107 | }
|
---|
1108 | #endif /* MBEDTLS_CIPHER_MODE_CBC */
|
---|
1109 |
|
---|
1110 | #if defined(MBEDTLS_CIPHER_MODE_XTS)
|
---|
1111 |
|
---|
1112 | /* Endianess with 64 bits values */
|
---|
1113 | #ifndef GET_UINT64_LE
|
---|
1114 | #define GET_UINT64_LE(n,b,i) \
|
---|
1115 | { \
|
---|
1116 | (n) = ( (uint64_t) (b)[(i) + 7] << 56 ) \
|
---|
1117 | | ( (uint64_t) (b)[(i) + 6] << 48 ) \
|
---|
1118 | | ( (uint64_t) (b)[(i) + 5] << 40 ) \
|
---|
1119 | | ( (uint64_t) (b)[(i) + 4] << 32 ) \
|
---|
1120 | | ( (uint64_t) (b)[(i) + 3] << 24 ) \
|
---|
1121 | | ( (uint64_t) (b)[(i) + 2] << 16 ) \
|
---|
1122 | | ( (uint64_t) (b)[(i) + 1] << 8 ) \
|
---|
1123 | | ( (uint64_t) (b)[(i) ] ); \
|
---|
1124 | }
|
---|
1125 | #endif
|
---|
1126 |
|
---|
1127 | #ifndef PUT_UINT64_LE
|
---|
1128 | #define PUT_UINT64_LE(n,b,i) \
|
---|
1129 | { \
|
---|
1130 | (b)[(i) + 7] = (unsigned char) ( (n) >> 56 ); \
|
---|
1131 | (b)[(i) + 6] = (unsigned char) ( (n) >> 48 ); \
|
---|
1132 | (b)[(i) + 5] = (unsigned char) ( (n) >> 40 ); \
|
---|
1133 | (b)[(i) + 4] = (unsigned char) ( (n) >> 32 ); \
|
---|
1134 | (b)[(i) + 3] = (unsigned char) ( (n) >> 24 ); \
|
---|
1135 | (b)[(i) + 2] = (unsigned char) ( (n) >> 16 ); \
|
---|
1136 | (b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \
|
---|
1137 | (b)[(i) ] = (unsigned char) ( (n) ); \
|
---|
1138 | }
|
---|
1139 | #endif
|
---|
1140 |
|
---|
1141 | typedef unsigned char mbedtls_be128[16];
|
---|
1142 |
|
---|
1143 | /*
|
---|
1144 | * GF(2^128) multiplication function
|
---|
1145 | *
|
---|
1146 | * This function multiplies a field element by x in the polynomial field
|
---|
1147 | * representation. It uses 64-bit word operations to gain speed but compensates
|
---|
1148 | * for machine endianess and hence works correctly on both big and little
|
---|
1149 | * endian machines.
|
---|
1150 | */
|
---|
1151 | static void mbedtls_gf128mul_x_ble( unsigned char r[16],
|
---|
1152 | const unsigned char x[16] )
|
---|
1153 | {
|
---|
1154 | uint64_t a, b, ra, rb;
|
---|
1155 |
|
---|
1156 | GET_UINT64_LE( a, x, 0 );
|
---|
1157 | GET_UINT64_LE( b, x, 8 );
|
---|
1158 |
|
---|
1159 | ra = ( a << 1 ) ^ 0x0087 >> ( 8 - ( ( b >> 63 ) << 3 ) );
|
---|
1160 | rb = ( a >> 63 ) | ( b << 1 );
|
---|
1161 |
|
---|
1162 | PUT_UINT64_LE( ra, r, 0 );
|
---|
1163 | PUT_UINT64_LE( rb, r, 8 );
|
---|
1164 | }
|
---|
1165 |
|
---|
1166 | /*
|
---|
1167 | * AES-XTS buffer encryption/decryption
|
---|
1168 | */
|
---|
1169 | int mbedtls_aes_crypt_xts( mbedtls_aes_xts_context *ctx,
|
---|
1170 | int mode,
|
---|
1171 | size_t length,
|
---|
1172 | const unsigned char data_unit[16],
|
---|
1173 | const unsigned char *input,
|
---|
1174 | unsigned char *output )
|
---|
1175 | {
|
---|
1176 | int ret;
|
---|
1177 | size_t blocks = length / 16;
|
---|
1178 | size_t leftover = length % 16;
|
---|
1179 | unsigned char tweak[16];
|
---|
1180 | unsigned char prev_tweak[16];
|
---|
1181 | unsigned char tmp[16];
|
---|
1182 |
|
---|
1183 | AES_VALIDATE_RET( ctx != NULL );
|
---|
1184 | AES_VALIDATE_RET( mode == MBEDTLS_AES_ENCRYPT ||
|
---|
1185 | mode == MBEDTLS_AES_DECRYPT );
|
---|
1186 | AES_VALIDATE_RET( data_unit != NULL );
|
---|
1187 | AES_VALIDATE_RET( input != NULL );
|
---|
1188 | AES_VALIDATE_RET( output != NULL );
|
---|
1189 |
|
---|
1190 | /* Data units must be at least 16 bytes long. */
|
---|
1191 | if( length < 16 )
|
---|
1192 | return MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH;
|
---|
1193 |
|
---|
1194 | /* NIST SP 800-38E disallows data units larger than 2**20 blocks. */
|
---|
1195 | if( length > ( 1 << 20 ) * 16 )
|
---|
1196 | return MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH;
|
---|
1197 |
|
---|
1198 | /* Compute the tweak. */
|
---|
1199 | ret = mbedtls_aes_crypt_ecb( &ctx->tweak, MBEDTLS_AES_ENCRYPT,
|
---|
1200 | data_unit, tweak );
|
---|
1201 | if( ret != 0 )
|
---|
1202 | return( ret );
|
---|
1203 |
|
---|
1204 | while( blocks-- )
|
---|
1205 | {
|
---|
1206 | size_t i;
|
---|
1207 |
|
---|
1208 | if( leftover && ( mode == MBEDTLS_AES_DECRYPT ) && blocks == 0 )
|
---|
1209 | {
|
---|
1210 | /* We are on the last block in a decrypt operation that has
|
---|
1211 | * leftover bytes, so we need to use the next tweak for this block,
|
---|
1212 | * and this tweak for the lefover bytes. Save the current tweak for
|
---|
1213 | * the leftovers and then update the current tweak for use on this,
|
---|
1214 | * the last full block. */
|
---|
1215 | memcpy( prev_tweak, tweak, sizeof( tweak ) );
|
---|
1216 | mbedtls_gf128mul_x_ble( tweak, tweak );
|
---|
1217 | }
|
---|
1218 |
|
---|
1219 | for( i = 0; i < 16; i++ )
|
---|
1220 | tmp[i] = input[i] ^ tweak[i];
|
---|
1221 |
|
---|
1222 | ret = mbedtls_aes_crypt_ecb( &ctx->crypt, mode, tmp, tmp );
|
---|
1223 | if( ret != 0 )
|
---|
1224 | return( ret );
|
---|
1225 |
|
---|
1226 | for( i = 0; i < 16; i++ )
|
---|
1227 | output[i] = tmp[i] ^ tweak[i];
|
---|
1228 |
|
---|
1229 | /* Update the tweak for the next block. */
|
---|
1230 | mbedtls_gf128mul_x_ble( tweak, tweak );
|
---|
1231 |
|
---|
1232 | output += 16;
|
---|
1233 | input += 16;
|
---|
1234 | }
|
---|
1235 |
|
---|
1236 | if( leftover )
|
---|
1237 | {
|
---|
1238 | /* If we are on the leftover bytes in a decrypt operation, we need to
|
---|
1239 | * use the previous tweak for these bytes (as saved in prev_tweak). */
|
---|
1240 | unsigned char *t = mode == MBEDTLS_AES_DECRYPT ? prev_tweak : tweak;
|
---|
1241 |
|
---|
1242 | /* We are now on the final part of the data unit, which doesn't divide
|
---|
1243 | * evenly by 16. It's time for ciphertext stealing. */
|
---|
1244 | size_t i;
|
---|
1245 | unsigned char *prev_output = output - 16;
|
---|
1246 |
|
---|
1247 | /* Copy ciphertext bytes from the previous block to our output for each
|
---|
1248 | * byte of cyphertext we won't steal. At the same time, copy the
|
---|
1249 | * remainder of the input for this final round (since the loop bounds
|
---|
1250 | * are the same). */
|
---|
1251 | for( i = 0; i < leftover; i++ )
|
---|
1252 | {
|
---|
1253 | output[i] = prev_output[i];
|
---|
1254 | tmp[i] = input[i] ^ t[i];
|
---|
1255 | }
|
---|
1256 |
|
---|
1257 | /* Copy ciphertext bytes from the previous block for input in this
|
---|
1258 | * round. */
|
---|
1259 | for( ; i < 16; i++ )
|
---|
1260 | tmp[i] = prev_output[i] ^ t[i];
|
---|
1261 |
|
---|
1262 | ret = mbedtls_aes_crypt_ecb( &ctx->crypt, mode, tmp, tmp );
|
---|
1263 | if( ret != 0 )
|
---|
1264 | return ret;
|
---|
1265 |
|
---|
1266 | /* Write the result back to the previous block, overriding the previous
|
---|
1267 | * output we copied. */
|
---|
1268 | for( i = 0; i < 16; i++ )
|
---|
1269 | prev_output[i] = tmp[i] ^ t[i];
|
---|
1270 | }
|
---|
1271 |
|
---|
1272 | return( 0 );
|
---|
1273 | }
|
---|
1274 | #endif /* MBEDTLS_CIPHER_MODE_XTS */
|
---|
1275 |
|
---|
1276 | #if defined(MBEDTLS_CIPHER_MODE_CFB)
|
---|
1277 | /*
|
---|
1278 | * AES-CFB128 buffer encryption/decryption
|
---|
1279 | */
|
---|
1280 | int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
|
---|
1281 | int mode,
|
---|
1282 | size_t length,
|
---|
1283 | size_t *iv_off,
|
---|
1284 | unsigned char iv[16],
|
---|
1285 | const unsigned char *input,
|
---|
1286 | unsigned char *output )
|
---|
1287 | {
|
---|
1288 | int c;
|
---|
1289 | size_t n;
|
---|
1290 |
|
---|
1291 | AES_VALIDATE_RET( ctx != NULL );
|
---|
1292 | AES_VALIDATE_RET( mode == MBEDTLS_AES_ENCRYPT ||
|
---|
1293 | mode == MBEDTLS_AES_DECRYPT );
|
---|
1294 | AES_VALIDATE_RET( iv_off != NULL );
|
---|
1295 | AES_VALIDATE_RET( iv != NULL );
|
---|
1296 | AES_VALIDATE_RET( input != NULL );
|
---|
1297 | AES_VALIDATE_RET( output != NULL );
|
---|
1298 |
|
---|
1299 | n = *iv_off;
|
---|
1300 |
|
---|
1301 | if( n > 15 )
|
---|
1302 | return( MBEDTLS_ERR_AES_BAD_INPUT_DATA );
|
---|
1303 |
|
---|
1304 | if( mode == MBEDTLS_AES_DECRYPT )
|
---|
1305 | {
|
---|
1306 | while( length-- )
|
---|
1307 | {
|
---|
1308 | if( n == 0 )
|
---|
1309 | mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
|
---|
1310 |
|
---|
1311 | c = *input++;
|
---|
1312 | *output++ = (unsigned char)( c ^ iv[n] );
|
---|
1313 | iv[n] = (unsigned char) c;
|
---|
1314 |
|
---|
1315 | n = ( n + 1 ) & 0x0F;
|
---|
1316 | }
|
---|
1317 | }
|
---|
1318 | else
|
---|
1319 | {
|
---|
1320 | while( length-- )
|
---|
1321 | {
|
---|
1322 | if( n == 0 )
|
---|
1323 | mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
|
---|
1324 |
|
---|
1325 | iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
|
---|
1326 |
|
---|
1327 | n = ( n + 1 ) & 0x0F;
|
---|
1328 | }
|
---|
1329 | }
|
---|
1330 |
|
---|
1331 | *iv_off = n;
|
---|
1332 |
|
---|
1333 | return( 0 );
|
---|
1334 | }
|
---|
1335 |
|
---|
1336 | /*
|
---|
1337 | * AES-CFB8 buffer encryption/decryption
|
---|
1338 | */
|
---|
1339 | int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx,
|
---|
1340 | int mode,
|
---|
1341 | size_t length,
|
---|
1342 | unsigned char iv[16],
|
---|
1343 | const unsigned char *input,
|
---|
1344 | unsigned char *output )
|
---|
1345 | {
|
---|
1346 | unsigned char c;
|
---|
1347 | unsigned char ov[17];
|
---|
1348 |
|
---|
1349 | AES_VALIDATE_RET( ctx != NULL );
|
---|
1350 | AES_VALIDATE_RET( mode == MBEDTLS_AES_ENCRYPT ||
|
---|
1351 | mode == MBEDTLS_AES_DECRYPT );
|
---|
1352 | AES_VALIDATE_RET( iv != NULL );
|
---|
1353 | AES_VALIDATE_RET( input != NULL );
|
---|
1354 | AES_VALIDATE_RET( output != NULL );
|
---|
1355 | while( length-- )
|
---|
1356 | {
|
---|
1357 | memcpy( ov, iv, 16 );
|
---|
1358 | mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
|
---|
1359 |
|
---|
1360 | if( mode == MBEDTLS_AES_DECRYPT )
|
---|
1361 | ov[16] = *input;
|
---|
1362 |
|
---|
1363 | c = *output++ = (unsigned char)( iv[0] ^ *input++ );
|
---|
1364 |
|
---|
1365 | if( mode == MBEDTLS_AES_ENCRYPT )
|
---|
1366 | ov[16] = c;
|
---|
1367 |
|
---|
1368 | memcpy( iv, ov + 1, 16 );
|
---|
1369 | }
|
---|
1370 |
|
---|
1371 | return( 0 );
|
---|
1372 | }
|
---|
1373 | #endif /* MBEDTLS_CIPHER_MODE_CFB */
|
---|
1374 |
|
---|
1375 | #if defined(MBEDTLS_CIPHER_MODE_OFB)
|
---|
1376 | /*
|
---|
1377 | * AES-OFB (Output Feedback Mode) buffer encryption/decryption
|
---|
1378 | */
|
---|
1379 | int mbedtls_aes_crypt_ofb( mbedtls_aes_context *ctx,
|
---|
1380 | size_t length,
|
---|
1381 | size_t *iv_off,
|
---|
1382 | unsigned char iv[16],
|
---|
1383 | const unsigned char *input,
|
---|
1384 | unsigned char *output )
|
---|
1385 | {
|
---|
1386 | int ret = 0;
|
---|
1387 | size_t n;
|
---|
1388 |
|
---|
1389 | AES_VALIDATE_RET( ctx != NULL );
|
---|
1390 | AES_VALIDATE_RET( iv_off != NULL );
|
---|
1391 | AES_VALIDATE_RET( iv != NULL );
|
---|
1392 | AES_VALIDATE_RET( input != NULL );
|
---|
1393 | AES_VALIDATE_RET( output != NULL );
|
---|
1394 |
|
---|
1395 | n = *iv_off;
|
---|
1396 |
|
---|
1397 | if( n > 15 )
|
---|
1398 | return( MBEDTLS_ERR_AES_BAD_INPUT_DATA );
|
---|
1399 |
|
---|
1400 | while( length-- )
|
---|
1401 | {
|
---|
1402 | if( n == 0 )
|
---|
1403 | {
|
---|
1404 | ret = mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
|
---|
1405 | if( ret != 0 )
|
---|
1406 | goto exit;
|
---|
1407 | }
|
---|
1408 | *output++ = *input++ ^ iv[n];
|
---|
1409 |
|
---|
1410 | n = ( n + 1 ) & 0x0F;
|
---|
1411 | }
|
---|
1412 |
|
---|
1413 | *iv_off = n;
|
---|
1414 |
|
---|
1415 | exit:
|
---|
1416 | return( ret );
|
---|
1417 | }
|
---|
1418 | #endif /* MBEDTLS_CIPHER_MODE_OFB */
|
---|
1419 |
|
---|
1420 | #if defined(MBEDTLS_CIPHER_MODE_CTR)
|
---|
1421 | /*
|
---|
1422 | * AES-CTR buffer encryption/decryption
|
---|
1423 | */
|
---|
1424 | int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx,
|
---|
1425 | size_t length,
|
---|
1426 | size_t *nc_off,
|
---|
1427 | unsigned char nonce_counter[16],
|
---|
1428 | unsigned char stream_block[16],
|
---|
1429 | const unsigned char *input,
|
---|
1430 | unsigned char *output )
|
---|
1431 | {
|
---|
1432 | int c, i;
|
---|
1433 | size_t n;
|
---|
1434 |
|
---|
1435 | AES_VALIDATE_RET( ctx != NULL );
|
---|
1436 | AES_VALIDATE_RET( nc_off != NULL );
|
---|
1437 | AES_VALIDATE_RET( nonce_counter != NULL );
|
---|
1438 | AES_VALIDATE_RET( stream_block != NULL );
|
---|
1439 | AES_VALIDATE_RET( input != NULL );
|
---|
1440 | AES_VALIDATE_RET( output != NULL );
|
---|
1441 |
|
---|
1442 | n = *nc_off;
|
---|
1443 |
|
---|
1444 | if ( n > 0x0F )
|
---|
1445 | return( MBEDTLS_ERR_AES_BAD_INPUT_DATA );
|
---|
1446 |
|
---|
1447 | while( length-- )
|
---|
1448 | {
|
---|
1449 | if( n == 0 ) {
|
---|
1450 | mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, nonce_counter, stream_block );
|
---|
1451 |
|
---|
1452 | for( i = 16; i > 0; i-- )
|
---|
1453 | if( ++nonce_counter[i - 1] != 0 )
|
---|
1454 | break;
|
---|
1455 | }
|
---|
1456 | c = *input++;
|
---|
1457 | *output++ = (unsigned char)( c ^ stream_block[n] );
|
---|
1458 |
|
---|
1459 | n = ( n + 1 ) & 0x0F;
|
---|
1460 | }
|
---|
1461 |
|
---|
1462 | *nc_off = n;
|
---|
1463 |
|
---|
1464 | return( 0 );
|
---|
1465 | }
|
---|
1466 | #endif /* MBEDTLS_CIPHER_MODE_CTR */
|
---|
1467 |
|
---|
1468 | #endif /* !MBEDTLS_AES_ALT */
|
---|
1469 |
|
---|
1470 | #if defined(MBEDTLS_SELF_TEST)
|
---|
1471 | /*
|
---|
1472 | * AES test vectors from:
|
---|
1473 | *
|
---|
1474 | * http://csrc.nist.gov/archive/aes/rijndael/rijndael-vals.zip
|
---|
1475 | */
|
---|
1476 | static const unsigned char aes_test_ecb_dec[3][16] =
|
---|
1477 | {
|
---|
1478 | { 0x44, 0x41, 0x6A, 0xC2, 0xD1, 0xF5, 0x3C, 0x58,
|
---|
1479 | 0x33, 0x03, 0x91, 0x7E, 0x6B, 0xE9, 0xEB, 0xE0 },
|
---|
1480 | { 0x48, 0xE3, 0x1E, 0x9E, 0x25, 0x67, 0x18, 0xF2,
|
---|
1481 | 0x92, 0x29, 0x31, 0x9C, 0x19, 0xF1, 0x5B, 0xA4 },
|
---|
1482 | { 0x05, 0x8C, 0xCF, 0xFD, 0xBB, 0xCB, 0x38, 0x2D,
|
---|
1483 | 0x1F, 0x6F, 0x56, 0x58, 0x5D, 0x8A, 0x4A, 0xDE }
|
---|
1484 | };
|
---|
1485 |
|
---|
1486 | static const unsigned char aes_test_ecb_enc[3][16] =
|
---|
1487 | {
|
---|
1488 | { 0xC3, 0x4C, 0x05, 0x2C, 0xC0, 0xDA, 0x8D, 0x73,
|
---|
1489 | 0x45, 0x1A, 0xFE, 0x5F, 0x03, 0xBE, 0x29, 0x7F },
|
---|
1490 | { 0xF3, 0xF6, 0x75, 0x2A, 0xE8, 0xD7, 0x83, 0x11,
|
---|
1491 | 0x38, 0xF0, 0x41, 0x56, 0x06, 0x31, 0xB1, 0x14 },
|
---|
1492 | { 0x8B, 0x79, 0xEE, 0xCC, 0x93, 0xA0, 0xEE, 0x5D,
|
---|
1493 | 0xFF, 0x30, 0xB4, 0xEA, 0x21, 0x63, 0x6D, 0xA4 }
|
---|
1494 | };
|
---|
1495 |
|
---|
1496 | #if defined(MBEDTLS_CIPHER_MODE_CBC)
|
---|
1497 | static const unsigned char aes_test_cbc_dec[3][16] =
|
---|
1498 | {
|
---|
1499 | { 0xFA, 0xCA, 0x37, 0xE0, 0xB0, 0xC8, 0x53, 0x73,
|
---|
1500 | 0xDF, 0x70, 0x6E, 0x73, 0xF7, 0xC9, 0xAF, 0x86 },
|
---|
1501 | { 0x5D, 0xF6, 0x78, 0xDD, 0x17, 0xBA, 0x4E, 0x75,
|
---|
1502 | 0xB6, 0x17, 0x68, 0xC6, 0xAD, 0xEF, 0x7C, 0x7B },
|
---|
1503 | { 0x48, 0x04, 0xE1, 0x81, 0x8F, 0xE6, 0x29, 0x75,
|
---|
1504 | 0x19, 0xA3, 0xE8, 0x8C, 0x57, 0x31, 0x04, 0x13 }
|
---|
1505 | };
|
---|
1506 |
|
---|
1507 | static const unsigned char aes_test_cbc_enc[3][16] =
|
---|
1508 | {
|
---|
1509 | { 0x8A, 0x05, 0xFC, 0x5E, 0x09, 0x5A, 0xF4, 0x84,
|
---|
1510 | 0x8A, 0x08, 0xD3, 0x28, 0xD3, 0x68, 0x8E, 0x3D },
|
---|
1511 | { 0x7B, 0xD9, 0x66, 0xD5, 0x3A, 0xD8, 0xC1, 0xBB,
|
---|
1512 | 0x85, 0xD2, 0xAD, 0xFA, 0xE8, 0x7B, 0xB1, 0x04 },
|
---|
1513 | { 0xFE, 0x3C, 0x53, 0x65, 0x3E, 0x2F, 0x45, 0xB5,
|
---|
1514 | 0x6F, 0xCD, 0x88, 0xB2, 0xCC, 0x89, 0x8F, 0xF0 }
|
---|
1515 | };
|
---|
1516 | #endif /* MBEDTLS_CIPHER_MODE_CBC */
|
---|
1517 |
|
---|
1518 | #if defined(MBEDTLS_CIPHER_MODE_CFB)
|
---|
1519 | /*
|
---|
1520 | * AES-CFB128 test vectors from:
|
---|
1521 | *
|
---|
1522 | * http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
|
---|
1523 | */
|
---|
1524 | static const unsigned char aes_test_cfb128_key[3][32] =
|
---|
1525 | {
|
---|
1526 | { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
|
---|
1527 | 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C },
|
---|
1528 | { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
|
---|
1529 | 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
|
---|
1530 | 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B },
|
---|
1531 | { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
|
---|
1532 | 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
|
---|
1533 | 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
|
---|
1534 | 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
|
---|
1535 | };
|
---|
1536 |
|
---|
1537 | static const unsigned char aes_test_cfb128_iv[16] =
|
---|
1538 | {
|
---|
1539 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
---|
1540 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
|
---|
1541 | };
|
---|
1542 |
|
---|
1543 | static const unsigned char aes_test_cfb128_pt[64] =
|
---|
1544 | {
|
---|
1545 | 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
|
---|
1546 | 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A,
|
---|
1547 | 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
|
---|
1548 | 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51,
|
---|
1549 | 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
|
---|
1550 | 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF,
|
---|
1551 | 0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17,
|
---|
1552 | 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10
|
---|
1553 | };
|
---|
1554 |
|
---|
1555 | static const unsigned char aes_test_cfb128_ct[3][64] =
|
---|
1556 | {
|
---|
1557 | { 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20,
|
---|
1558 | 0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A,
|
---|
1559 | 0xC8, 0xA6, 0x45, 0x37, 0xA0, 0xB3, 0xA9, 0x3F,
|
---|
1560 | 0xCD, 0xE3, 0xCD, 0xAD, 0x9F, 0x1C, 0xE5, 0x8B,
|
---|
1561 | 0x26, 0x75, 0x1F, 0x67, 0xA3, 0xCB, 0xB1, 0x40,
|
---|
1562 | 0xB1, 0x80, 0x8C, 0xF1, 0x87, 0xA4, 0xF4, 0xDF,
|
---|
1563 | 0xC0, 0x4B, 0x05, 0x35, 0x7C, 0x5D, 0x1C, 0x0E,
|
---|
1564 | 0xEA, 0xC4, 0xC6, 0x6F, 0x9F, 0xF7, 0xF2, 0xE6 },
|
---|
1565 | { 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB,
|
---|
1566 | 0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74,
|
---|
1567 | 0x67, 0xCE, 0x7F, 0x7F, 0x81, 0x17, 0x36, 0x21,
|
---|
1568 | 0x96, 0x1A, 0x2B, 0x70, 0x17, 0x1D, 0x3D, 0x7A,
|
---|
1569 | 0x2E, 0x1E, 0x8A, 0x1D, 0xD5, 0x9B, 0x88, 0xB1,
|
---|
1570 | 0xC8, 0xE6, 0x0F, 0xED, 0x1E, 0xFA, 0xC4, 0xC9,
|
---|
1571 | 0xC0, 0x5F, 0x9F, 0x9C, 0xA9, 0x83, 0x4F, 0xA0,
|
---|
1572 | 0x42, 0xAE, 0x8F, 0xBA, 0x58, 0x4B, 0x09, 0xFF },
|
---|
1573 | { 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B,
|
---|
1574 | 0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60,
|
---|
1575 | 0x39, 0xFF, 0xED, 0x14, 0x3B, 0x28, 0xB1, 0xC8,
|
---|
1576 | 0x32, 0x11, 0x3C, 0x63, 0x31, 0xE5, 0x40, 0x7B,
|
---|
1577 | 0xDF, 0x10, 0x13, 0x24, 0x15, 0xE5, 0x4B, 0x92,
|
---|
1578 | 0xA1, 0x3E, 0xD0, 0xA8, 0x26, 0x7A, 0xE2, 0xF9,
|
---|
1579 | 0x75, 0xA3, 0x85, 0x74, 0x1A, 0xB9, 0xCE, 0xF8,
|
---|
1580 | 0x20, 0x31, 0x62, 0x3D, 0x55, 0xB1, 0xE4, 0x71 }
|
---|
1581 | };
|
---|
1582 | #endif /* MBEDTLS_CIPHER_MODE_CFB */
|
---|
1583 |
|
---|
1584 | #if defined(MBEDTLS_CIPHER_MODE_OFB)
|
---|
1585 | /*
|
---|
1586 | * AES-OFB test vectors from:
|
---|
1587 | *
|
---|
1588 | * https://csrc.nist.gov/publications/detail/sp/800-38a/final
|
---|
1589 | */
|
---|
1590 | static const unsigned char aes_test_ofb_key[3][32] =
|
---|
1591 | {
|
---|
1592 | { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
|
---|
1593 | 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C },
|
---|
1594 | { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
|
---|
1595 | 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
|
---|
1596 | 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B },
|
---|
1597 | { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
|
---|
1598 | 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
|
---|
1599 | 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
|
---|
1600 | 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
|
---|
1601 | };
|
---|
1602 |
|
---|
1603 | static const unsigned char aes_test_ofb_iv[16] =
|
---|
1604 | {
|
---|
1605 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
---|
1606 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
|
---|
1607 | };
|
---|
1608 |
|
---|
1609 | static const unsigned char aes_test_ofb_pt[64] =
|
---|
1610 | {
|
---|
1611 | 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
|
---|
1612 | 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A,
|
---|
1613 | 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
|
---|
1614 | 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51,
|
---|
1615 | 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
|
---|
1616 | 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF,
|
---|
1617 | 0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17,
|
---|
1618 | 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10
|
---|
1619 | };
|
---|
1620 |
|
---|
1621 | static const unsigned char aes_test_ofb_ct[3][64] =
|
---|
1622 | {
|
---|
1623 | { 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20,
|
---|
1624 | 0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A,
|
---|
1625 | 0x77, 0x89, 0x50, 0x8d, 0x16, 0x91, 0x8f, 0x03,
|
---|
1626 | 0xf5, 0x3c, 0x52, 0xda, 0xc5, 0x4e, 0xd8, 0x25,
|
---|
1627 | 0x97, 0x40, 0x05, 0x1e, 0x9c, 0x5f, 0xec, 0xf6,
|
---|
1628 | 0x43, 0x44, 0xf7, 0xa8, 0x22, 0x60, 0xed, 0xcc,
|
---|
1629 | 0x30, 0x4c, 0x65, 0x28, 0xf6, 0x59, 0xc7, 0x78,
|
---|
1630 | 0x66, 0xa5, 0x10, 0xd9, 0xc1, 0xd6, 0xae, 0x5e },
|
---|
1631 | { 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB,
|
---|
1632 | 0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74,
|
---|
1633 | 0xfc, 0xc2, 0x8b, 0x8d, 0x4c, 0x63, 0x83, 0x7c,
|
---|
1634 | 0x09, 0xe8, 0x17, 0x00, 0xc1, 0x10, 0x04, 0x01,
|
---|
1635 | 0x8d, 0x9a, 0x9a, 0xea, 0xc0, 0xf6, 0x59, 0x6f,
|
---|
1636 | 0x55, 0x9c, 0x6d, 0x4d, 0xaf, 0x59, 0xa5, 0xf2,
|
---|
1637 | 0x6d, 0x9f, 0x20, 0x08, 0x57, 0xca, 0x6c, 0x3e,
|
---|
1638 | 0x9c, 0xac, 0x52, 0x4b, 0xd9, 0xac, 0xc9, 0x2a },
|
---|
1639 | { 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B,
|
---|
1640 | 0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60,
|
---|
1641 | 0x4f, 0xeb, 0xdc, 0x67, 0x40, 0xd2, 0x0b, 0x3a,
|
---|
1642 | 0xc8, 0x8f, 0x6a, 0xd8, 0x2a, 0x4f, 0xb0, 0x8d,
|
---|
1643 | 0x71, 0xab, 0x47, 0xa0, 0x86, 0xe8, 0x6e, 0xed,
|
---|
1644 | 0xf3, 0x9d, 0x1c, 0x5b, 0xba, 0x97, 0xc4, 0x08,
|
---|
1645 | 0x01, 0x26, 0x14, 0x1d, 0x67, 0xf3, 0x7b, 0xe8,
|
---|
1646 | 0x53, 0x8f, 0x5a, 0x8b, 0xe7, 0x40, 0xe4, 0x84 }
|
---|
1647 | };
|
---|
1648 | #endif /* MBEDTLS_CIPHER_MODE_OFB */
|
---|
1649 |
|
---|
1650 | #if defined(MBEDTLS_CIPHER_MODE_CTR)
|
---|
1651 | /*
|
---|
1652 | * AES-CTR test vectors from:
|
---|
1653 | *
|
---|
1654 | * http://www.faqs.org/rfcs/rfc3686.html
|
---|
1655 | */
|
---|
1656 |
|
---|
1657 | static const unsigned char aes_test_ctr_key[3][16] =
|
---|
1658 | {
|
---|
1659 | { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC,
|
---|
1660 | 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E },
|
---|
1661 | { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7,
|
---|
1662 | 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 },
|
---|
1663 | { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8,
|
---|
1664 | 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC }
|
---|
1665 | };
|
---|
1666 |
|
---|
1667 | static const unsigned char aes_test_ctr_nonce_counter[3][16] =
|
---|
1668 | {
|
---|
1669 | { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
|
---|
1670 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
|
---|
1671 | { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59,
|
---|
1672 | 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 },
|
---|
1673 | { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F,
|
---|
1674 | 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 }
|
---|
1675 | };
|
---|
1676 |
|
---|
1677 | static const unsigned char aes_test_ctr_pt[3][48] =
|
---|
1678 | {
|
---|
1679 | { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62,
|
---|
1680 | 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 },
|
---|
1681 |
|
---|
1682 | { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
---|
1683 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
|
---|
1684 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
|
---|
1685 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
|
---|
1686 |
|
---|
1687 | { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
---|
1688 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
|
---|
1689 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
|
---|
1690 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
|
---|
1691 | 0x20, 0x21, 0x22, 0x23 }
|
---|
1692 | };
|
---|
1693 |
|
---|
1694 | static const unsigned char aes_test_ctr_ct[3][48] =
|
---|
1695 | {
|
---|
1696 | { 0xE4, 0x09, 0x5D, 0x4F, 0xB7, 0xA7, 0xB3, 0x79,
|
---|
1697 | 0x2D, 0x61, 0x75, 0xA3, 0x26, 0x13, 0x11, 0xB8 },
|
---|
1698 | { 0x51, 0x04, 0xA1, 0x06, 0x16, 0x8A, 0x72, 0xD9,
|
---|
1699 | 0x79, 0x0D, 0x41, 0xEE, 0x8E, 0xDA, 0xD3, 0x88,
|
---|
1700 | 0xEB, 0x2E, 0x1E, 0xFC, 0x46, 0xDA, 0x57, 0xC8,
|
---|
1701 | 0xFC, 0xE6, 0x30, 0xDF, 0x91, 0x41, 0xBE, 0x28 },
|
---|
1702 | { 0xC1, 0xCF, 0x48, 0xA8, 0x9F, 0x2F, 0xFD, 0xD9,
|
---|
1703 | 0xCF, 0x46, 0x52, 0xE9, 0xEF, 0xDB, 0x72, 0xD7,
|
---|
1704 | 0x45, 0x40, 0xA4, 0x2B, 0xDE, 0x6D, 0x78, 0x36,
|
---|
1705 | 0xD5, 0x9A, 0x5C, 0xEA, 0xAE, 0xF3, 0x10, 0x53,
|
---|
1706 | 0x25, 0xB2, 0x07, 0x2F }
|
---|
1707 | };
|
---|
1708 |
|
---|
1709 | static const int aes_test_ctr_len[3] =
|
---|
1710 | { 16, 32, 36 };
|
---|
1711 | #endif /* MBEDTLS_CIPHER_MODE_CTR */
|
---|
1712 |
|
---|
1713 | #if defined(MBEDTLS_CIPHER_MODE_XTS)
|
---|
1714 | /*
|
---|
1715 | * AES-XTS test vectors from:
|
---|
1716 | *
|
---|
1717 | * IEEE P1619/D16 Annex B
|
---|
1718 | * https://web.archive.org/web/20150629024421/http://grouper.ieee.org/groups/1619/email/pdf00086.pdf
|
---|
1719 | * (Archived from original at http://grouper.ieee.org/groups/1619/email/pdf00086.pdf)
|
---|
1720 | */
|
---|
1721 | static const unsigned char aes_test_xts_key[][32] =
|
---|
1722 | {
|
---|
1723 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
---|
1724 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
---|
1725 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
---|
1726 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
|
---|
1727 | { 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
|
---|
1728 | 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
|
---|
1729 | 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
|
---|
1730 | 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22 },
|
---|
1731 | { 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
|
---|
1732 | 0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
|
---|
1733 | 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
|
---|
1734 | 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22 },
|
---|
1735 | };
|
---|
1736 |
|
---|
1737 | static const unsigned char aes_test_xts_pt32[][32] =
|
---|
1738 | {
|
---|
1739 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
---|
1740 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
---|
1741 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
---|
1742 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
|
---|
1743 | { 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
|
---|
1744 | 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
|
---|
1745 | 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
|
---|
1746 | 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44 },
|
---|
1747 | { 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
|
---|
1748 | 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
|
---|
1749 | 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
|
---|
1750 | 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44 },
|
---|
1751 | };
|
---|
1752 |
|
---|
1753 | static const unsigned char aes_test_xts_ct32[][32] =
|
---|
1754 | {
|
---|
1755 | { 0x91, 0x7c, 0xf6, 0x9e, 0xbd, 0x68, 0xb2, 0xec,
|
---|
1756 | 0x9b, 0x9f, 0xe9, 0xa3, 0xea, 0xdd, 0xa6, 0x92,
|
---|
1757 | 0xcd, 0x43, 0xd2, 0xf5, 0x95, 0x98, 0xed, 0x85,
|
---|
1758 | 0x8c, 0x02, 0xc2, 0x65, 0x2f, 0xbf, 0x92, 0x2e },
|
---|
1759 | { 0xc4, 0x54, 0x18, 0x5e, 0x6a, 0x16, 0x93, 0x6e,
|
---|
1760 | 0x39, 0x33, 0x40, 0x38, 0xac, 0xef, 0x83, 0x8b,
|
---|
1761 | 0xfb, 0x18, 0x6f, 0xff, 0x74, 0x80, 0xad, 0xc4,
|
---|
1762 | 0x28, 0x93, 0x82, 0xec, 0xd6, 0xd3, 0x94, 0xf0 },
|
---|
1763 | { 0xaf, 0x85, 0x33, 0x6b, 0x59, 0x7a, 0xfc, 0x1a,
|
---|
1764 | 0x90, 0x0b, 0x2e, 0xb2, 0x1e, 0xc9, 0x49, 0xd2,
|
---|
1765 | 0x92, 0xdf, 0x4c, 0x04, 0x7e, 0x0b, 0x21, 0x53,
|
---|
1766 | 0x21, 0x86, 0xa5, 0x97, 0x1a, 0x22, 0x7a, 0x89 },
|
---|
1767 | };
|
---|
1768 |
|
---|
1769 | static const unsigned char aes_test_xts_data_unit[][16] =
|
---|
1770 | {
|
---|
1771 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
---|
1772 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
|
---|
1773 | { 0x33, 0x33, 0x33, 0x33, 0x33, 0x00, 0x00, 0x00,
|
---|
1774 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
|
---|
1775 | { 0x33, 0x33, 0x33, 0x33, 0x33, 0x00, 0x00, 0x00,
|
---|
1776 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
|
---|
1777 | };
|
---|
1778 |
|
---|
1779 | #endif /* MBEDTLS_CIPHER_MODE_XTS */
|
---|
1780 |
|
---|
1781 | /*
|
---|
1782 | * Checkup routine
|
---|
1783 | */
|
---|
1784 | int mbedtls_aes_self_test( int verbose )
|
---|
1785 | {
|
---|
1786 | int ret = 0, i, j, u, mode;
|
---|
1787 | unsigned int keybits;
|
---|
1788 | unsigned char key[32];
|
---|
1789 | unsigned char buf[64];
|
---|
1790 | const unsigned char *aes_tests;
|
---|
1791 | #if defined(MBEDTLS_CIPHER_MODE_CBC) || defined(MBEDTLS_CIPHER_MODE_CFB)
|
---|
1792 | unsigned char iv[16];
|
---|
1793 | #endif
|
---|
1794 | #if defined(MBEDTLS_CIPHER_MODE_CBC)
|
---|
1795 | unsigned char prv[16];
|
---|
1796 | #endif
|
---|
1797 | #if defined(MBEDTLS_CIPHER_MODE_CTR) || defined(MBEDTLS_CIPHER_MODE_CFB) || \
|
---|
1798 | defined(MBEDTLS_CIPHER_MODE_OFB)
|
---|
1799 | size_t offset;
|
---|
1800 | #endif
|
---|
1801 | #if defined(MBEDTLS_CIPHER_MODE_CTR) || defined(MBEDTLS_CIPHER_MODE_XTS)
|
---|
1802 | int len;
|
---|
1803 | #endif
|
---|
1804 | #if defined(MBEDTLS_CIPHER_MODE_CTR)
|
---|
1805 | unsigned char nonce_counter[16];
|
---|
1806 | unsigned char stream_block[16];
|
---|
1807 | #endif
|
---|
1808 | mbedtls_aes_context ctx;
|
---|
1809 |
|
---|
1810 | memset( key, 0, 32 );
|
---|
1811 | mbedtls_aes_init( &ctx );
|
---|
1812 |
|
---|
1813 | /*
|
---|
1814 | * ECB mode
|
---|
1815 | */
|
---|
1816 | for( i = 0; i < 6; i++ )
|
---|
1817 | {
|
---|
1818 | u = i >> 1;
|
---|
1819 | keybits = 128 + u * 64;
|
---|
1820 | mode = i & 1;
|
---|
1821 |
|
---|
1822 | if( verbose != 0 )
|
---|
1823 | mbedtls_printf( " AES-ECB-%3d (%s): ", keybits,
|
---|
1824 | ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
|
---|
1825 |
|
---|
1826 | memset( buf, 0, 16 );
|
---|
1827 |
|
---|
1828 | if( mode == MBEDTLS_AES_DECRYPT )
|
---|
1829 | {
|
---|
1830 | ret = mbedtls_aes_setkey_dec( &ctx, key, keybits );
|
---|
1831 | aes_tests = aes_test_ecb_dec[u];
|
---|
1832 | }
|
---|
1833 | else
|
---|
1834 | {
|
---|
1835 | ret = mbedtls_aes_setkey_enc( &ctx, key, keybits );
|
---|
1836 | aes_tests = aes_test_ecb_enc[u];
|
---|
1837 | }
|
---|
1838 |
|
---|
1839 | /*
|
---|
1840 | * AES-192 is an optional feature that may be unavailable when
|
---|
1841 | * there is an alternative underlying implementation i.e. when
|
---|
1842 | * MBEDTLS_AES_ALT is defined.
|
---|
1843 | */
|
---|
1844 | if( ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED && keybits == 192 )
|
---|
1845 | {
|
---|
1846 | mbedtls_printf( "skipped\n" );
|
---|
1847 | continue;
|
---|
1848 | }
|
---|
1849 | else if( ret != 0 )
|
---|
1850 | {
|
---|
1851 | goto exit;
|
---|
1852 | }
|
---|
1853 |
|
---|
1854 | for( j = 0; j < 10000; j++ )
|
---|
1855 | {
|
---|
1856 | ret = mbedtls_aes_crypt_ecb( &ctx, mode, buf, buf );
|
---|
1857 | if( ret != 0 )
|
---|
1858 | goto exit;
|
---|
1859 | }
|
---|
1860 |
|
---|
1861 | if( memcmp( buf, aes_tests, 16 ) != 0 )
|
---|
1862 | {
|
---|
1863 | ret = 1;
|
---|
1864 | goto exit;
|
---|
1865 | }
|
---|
1866 |
|
---|
1867 | if( verbose != 0 )
|
---|
1868 | mbedtls_printf( "passed\n" );
|
---|
1869 | }
|
---|
1870 |
|
---|
1871 | if( verbose != 0 )
|
---|
1872 | mbedtls_printf( "\n" );
|
---|
1873 |
|
---|
1874 | #if defined(MBEDTLS_CIPHER_MODE_CBC)
|
---|
1875 | /*
|
---|
1876 | * CBC mode
|
---|
1877 | */
|
---|
1878 | for( i = 0; i < 6; i++ )
|
---|
1879 | {
|
---|
1880 | u = i >> 1;
|
---|
1881 | keybits = 128 + u * 64;
|
---|
1882 | mode = i & 1;
|
---|
1883 |
|
---|
1884 | if( verbose != 0 )
|
---|
1885 | mbedtls_printf( " AES-CBC-%3d (%s): ", keybits,
|
---|
1886 | ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
|
---|
1887 |
|
---|
1888 | memset( iv , 0, 16 );
|
---|
1889 | memset( prv, 0, 16 );
|
---|
1890 | memset( buf, 0, 16 );
|
---|
1891 |
|
---|
1892 | if( mode == MBEDTLS_AES_DECRYPT )
|
---|
1893 | {
|
---|
1894 | ret = mbedtls_aes_setkey_dec( &ctx, key, keybits );
|
---|
1895 | aes_tests = aes_test_cbc_dec[u];
|
---|
1896 | }
|
---|
1897 | else
|
---|
1898 | {
|
---|
1899 | ret = mbedtls_aes_setkey_enc( &ctx, key, keybits );
|
---|
1900 | aes_tests = aes_test_cbc_enc[u];
|
---|
1901 | }
|
---|
1902 |
|
---|
1903 | /*
|
---|
1904 | * AES-192 is an optional feature that may be unavailable when
|
---|
1905 | * there is an alternative underlying implementation i.e. when
|
---|
1906 | * MBEDTLS_AES_ALT is defined.
|
---|
1907 | */
|
---|
1908 | if( ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED && keybits == 192 )
|
---|
1909 | {
|
---|
1910 | mbedtls_printf( "skipped\n" );
|
---|
1911 | continue;
|
---|
1912 | }
|
---|
1913 | else if( ret != 0 )
|
---|
1914 | {
|
---|
1915 | goto exit;
|
---|
1916 | }
|
---|
1917 |
|
---|
1918 | for( j = 0; j < 10000; j++ )
|
---|
1919 | {
|
---|
1920 | if( mode == MBEDTLS_AES_ENCRYPT )
|
---|
1921 | {
|
---|
1922 | unsigned char tmp[16];
|
---|
1923 |
|
---|
1924 | memcpy( tmp, prv, 16 );
|
---|
1925 | memcpy( prv, buf, 16 );
|
---|
1926 | memcpy( buf, tmp, 16 );
|
---|
1927 | }
|
---|
1928 |
|
---|
1929 | ret = mbedtls_aes_crypt_cbc( &ctx, mode, 16, iv, buf, buf );
|
---|
1930 | if( ret != 0 )
|
---|
1931 | goto exit;
|
---|
1932 |
|
---|
1933 | }
|
---|
1934 |
|
---|
1935 | if( memcmp( buf, aes_tests, 16 ) != 0 )
|
---|
1936 | {
|
---|
1937 | ret = 1;
|
---|
1938 | goto exit;
|
---|
1939 | }
|
---|
1940 |
|
---|
1941 | if( verbose != 0 )
|
---|
1942 | mbedtls_printf( "passed\n" );
|
---|
1943 | }
|
---|
1944 |
|
---|
1945 | if( verbose != 0 )
|
---|
1946 | mbedtls_printf( "\n" );
|
---|
1947 | #endif /* MBEDTLS_CIPHER_MODE_CBC */
|
---|
1948 |
|
---|
1949 | #if defined(MBEDTLS_CIPHER_MODE_CFB)
|
---|
1950 | /*
|
---|
1951 | * CFB128 mode
|
---|
1952 | */
|
---|
1953 | for( i = 0; i < 6; i++ )
|
---|
1954 | {
|
---|
1955 | u = i >> 1;
|
---|
1956 | keybits = 128 + u * 64;
|
---|
1957 | mode = i & 1;
|
---|
1958 |
|
---|
1959 | if( verbose != 0 )
|
---|
1960 | mbedtls_printf( " AES-CFB128-%3d (%s): ", keybits,
|
---|
1961 | ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
|
---|
1962 |
|
---|
1963 | memcpy( iv, aes_test_cfb128_iv, 16 );
|
---|
1964 | memcpy( key, aes_test_cfb128_key[u], keybits / 8 );
|
---|
1965 |
|
---|
1966 | offset = 0;
|
---|
1967 | ret = mbedtls_aes_setkey_enc( &ctx, key, keybits );
|
---|
1968 | /*
|
---|
1969 | * AES-192 is an optional feature that may be unavailable when
|
---|
1970 | * there is an alternative underlying implementation i.e. when
|
---|
1971 | * MBEDTLS_AES_ALT is defined.
|
---|
1972 | */
|
---|
1973 | if( ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED && keybits == 192 )
|
---|
1974 | {
|
---|
1975 | mbedtls_printf( "skipped\n" );
|
---|
1976 | continue;
|
---|
1977 | }
|
---|
1978 | else if( ret != 0 )
|
---|
1979 | {
|
---|
1980 | goto exit;
|
---|
1981 | }
|
---|
1982 |
|
---|
1983 | if( mode == MBEDTLS_AES_DECRYPT )
|
---|
1984 | {
|
---|
1985 | memcpy( buf, aes_test_cfb128_ct[u], 64 );
|
---|
1986 | aes_tests = aes_test_cfb128_pt;
|
---|
1987 | }
|
---|
1988 | else
|
---|
1989 | {
|
---|
1990 | memcpy( buf, aes_test_cfb128_pt, 64 );
|
---|
1991 | aes_tests = aes_test_cfb128_ct[u];
|
---|
1992 | }
|
---|
1993 |
|
---|
1994 | ret = mbedtls_aes_crypt_cfb128( &ctx, mode, 64, &offset, iv, buf, buf );
|
---|
1995 | if( ret != 0 )
|
---|
1996 | goto exit;
|
---|
1997 |
|
---|
1998 | if( memcmp( buf, aes_tests, 64 ) != 0 )
|
---|
1999 | {
|
---|
2000 | ret = 1;
|
---|
2001 | goto exit;
|
---|
2002 | }
|
---|
2003 |
|
---|
2004 | if( verbose != 0 )
|
---|
2005 | mbedtls_printf( "passed\n" );
|
---|
2006 | }
|
---|
2007 |
|
---|
2008 | if( verbose != 0 )
|
---|
2009 | mbedtls_printf( "\n" );
|
---|
2010 | #endif /* MBEDTLS_CIPHER_MODE_CFB */
|
---|
2011 |
|
---|
2012 | #if defined(MBEDTLS_CIPHER_MODE_OFB)
|
---|
2013 | /*
|
---|
2014 | * OFB mode
|
---|
2015 | */
|
---|
2016 | for( i = 0; i < 6; i++ )
|
---|
2017 | {
|
---|
2018 | u = i >> 1;
|
---|
2019 | keybits = 128 + u * 64;
|
---|
2020 | mode = i & 1;
|
---|
2021 |
|
---|
2022 | if( verbose != 0 )
|
---|
2023 | mbedtls_printf( " AES-OFB-%3d (%s): ", keybits,
|
---|
2024 | ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
|
---|
2025 |
|
---|
2026 | memcpy( iv, aes_test_ofb_iv, 16 );
|
---|
2027 | memcpy( key, aes_test_ofb_key[u], keybits / 8 );
|
---|
2028 |
|
---|
2029 | offset = 0;
|
---|
2030 | ret = mbedtls_aes_setkey_enc( &ctx, key, keybits );
|
---|
2031 | /*
|
---|
2032 | * AES-192 is an optional feature that may be unavailable when
|
---|
2033 | * there is an alternative underlying implementation i.e. when
|
---|
2034 | * MBEDTLS_AES_ALT is defined.
|
---|
2035 | */
|
---|
2036 | if( ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED && keybits == 192 )
|
---|
2037 | {
|
---|
2038 | mbedtls_printf( "skipped\n" );
|
---|
2039 | continue;
|
---|
2040 | }
|
---|
2041 | else if( ret != 0 )
|
---|
2042 | {
|
---|
2043 | goto exit;
|
---|
2044 | }
|
---|
2045 |
|
---|
2046 | if( mode == MBEDTLS_AES_DECRYPT )
|
---|
2047 | {
|
---|
2048 | memcpy( buf, aes_test_ofb_ct[u], 64 );
|
---|
2049 | aes_tests = aes_test_ofb_pt;
|
---|
2050 | }
|
---|
2051 | else
|
---|
2052 | {
|
---|
2053 | memcpy( buf, aes_test_ofb_pt, 64 );
|
---|
2054 | aes_tests = aes_test_ofb_ct[u];
|
---|
2055 | }
|
---|
2056 |
|
---|
2057 | ret = mbedtls_aes_crypt_ofb( &ctx, 64, &offset, iv, buf, buf );
|
---|
2058 | if( ret != 0 )
|
---|
2059 | goto exit;
|
---|
2060 |
|
---|
2061 | if( memcmp( buf, aes_tests, 64 ) != 0 )
|
---|
2062 | {
|
---|
2063 | ret = 1;
|
---|
2064 | goto exit;
|
---|
2065 | }
|
---|
2066 |
|
---|
2067 | if( verbose != 0 )
|
---|
2068 | mbedtls_printf( "passed\n" );
|
---|
2069 | }
|
---|
2070 |
|
---|
2071 | if( verbose != 0 )
|
---|
2072 | mbedtls_printf( "\n" );
|
---|
2073 | #endif /* MBEDTLS_CIPHER_MODE_OFB */
|
---|
2074 |
|
---|
2075 | #if defined(MBEDTLS_CIPHER_MODE_CTR)
|
---|
2076 | /*
|
---|
2077 | * CTR mode
|
---|
2078 | */
|
---|
2079 | for( i = 0; i < 6; i++ )
|
---|
2080 | {
|
---|
2081 | u = i >> 1;
|
---|
2082 | mode = i & 1;
|
---|
2083 |
|
---|
2084 | if( verbose != 0 )
|
---|
2085 | mbedtls_printf( " AES-CTR-128 (%s): ",
|
---|
2086 | ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
|
---|
2087 |
|
---|
2088 | memcpy( nonce_counter, aes_test_ctr_nonce_counter[u], 16 );
|
---|
2089 | memcpy( key, aes_test_ctr_key[u], 16 );
|
---|
2090 |
|
---|
2091 | offset = 0;
|
---|
2092 | if( ( ret = mbedtls_aes_setkey_enc( &ctx, key, 128 ) ) != 0 )
|
---|
2093 | goto exit;
|
---|
2094 |
|
---|
2095 | len = aes_test_ctr_len[u];
|
---|
2096 |
|
---|
2097 | if( mode == MBEDTLS_AES_DECRYPT )
|
---|
2098 | {
|
---|
2099 | memcpy( buf, aes_test_ctr_ct[u], len );
|
---|
2100 | aes_tests = aes_test_ctr_pt[u];
|
---|
2101 | }
|
---|
2102 | else
|
---|
2103 | {
|
---|
2104 | memcpy( buf, aes_test_ctr_pt[u], len );
|
---|
2105 | aes_tests = aes_test_ctr_ct[u];
|
---|
2106 | }
|
---|
2107 |
|
---|
2108 | ret = mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter,
|
---|
2109 | stream_block, buf, buf );
|
---|
2110 | if( ret != 0 )
|
---|
2111 | goto exit;
|
---|
2112 |
|
---|
2113 | if( memcmp( buf, aes_tests, len ) != 0 )
|
---|
2114 | {
|
---|
2115 | ret = 1;
|
---|
2116 | goto exit;
|
---|
2117 | }
|
---|
2118 |
|
---|
2119 | if( verbose != 0 )
|
---|
2120 | mbedtls_printf( "passed\n" );
|
---|
2121 | }
|
---|
2122 |
|
---|
2123 | if( verbose != 0 )
|
---|
2124 | mbedtls_printf( "\n" );
|
---|
2125 | #endif /* MBEDTLS_CIPHER_MODE_CTR */
|
---|
2126 |
|
---|
2127 | #if defined(MBEDTLS_CIPHER_MODE_XTS)
|
---|
2128 | {
|
---|
2129 | static const int num_tests =
|
---|
2130 | sizeof(aes_test_xts_key) / sizeof(*aes_test_xts_key);
|
---|
2131 | mbedtls_aes_xts_context ctx_xts;
|
---|
2132 |
|
---|
2133 | /*
|
---|
2134 | * XTS mode
|
---|
2135 | */
|
---|
2136 | mbedtls_aes_xts_init( &ctx_xts );
|
---|
2137 |
|
---|
2138 | for( i = 0; i < num_tests << 1; i++ )
|
---|
2139 | {
|
---|
2140 | const unsigned char *data_unit;
|
---|
2141 | u = i >> 1;
|
---|
2142 | mode = i & 1;
|
---|
2143 |
|
---|
2144 | if( verbose != 0 )
|
---|
2145 | mbedtls_printf( " AES-XTS-128 (%s): ",
|
---|
2146 | ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
|
---|
2147 |
|
---|
2148 | memset( key, 0, sizeof( key ) );
|
---|
2149 | memcpy( key, aes_test_xts_key[u], 32 );
|
---|
2150 | data_unit = aes_test_xts_data_unit[u];
|
---|
2151 |
|
---|
2152 | len = sizeof( *aes_test_xts_ct32 );
|
---|
2153 |
|
---|
2154 | if( mode == MBEDTLS_AES_DECRYPT )
|
---|
2155 | {
|
---|
2156 | ret = mbedtls_aes_xts_setkey_dec( &ctx_xts, key, 256 );
|
---|
2157 | if( ret != 0)
|
---|
2158 | goto exit;
|
---|
2159 | memcpy( buf, aes_test_xts_ct32[u], len );
|
---|
2160 | aes_tests = aes_test_xts_pt32[u];
|
---|
2161 | }
|
---|
2162 | else
|
---|
2163 | {
|
---|
2164 | ret = mbedtls_aes_xts_setkey_enc( &ctx_xts, key, 256 );
|
---|
2165 | if( ret != 0)
|
---|
2166 | goto exit;
|
---|
2167 | memcpy( buf, aes_test_xts_pt32[u], len );
|
---|
2168 | aes_tests = aes_test_xts_ct32[u];
|
---|
2169 | }
|
---|
2170 |
|
---|
2171 |
|
---|
2172 | ret = mbedtls_aes_crypt_xts( &ctx_xts, mode, len, data_unit,
|
---|
2173 | buf, buf );
|
---|
2174 | if( ret != 0 )
|
---|
2175 | goto exit;
|
---|
2176 |
|
---|
2177 | if( memcmp( buf, aes_tests, len ) != 0 )
|
---|
2178 | {
|
---|
2179 | ret = 1;
|
---|
2180 | goto exit;
|
---|
2181 | }
|
---|
2182 |
|
---|
2183 | if( verbose != 0 )
|
---|
2184 | mbedtls_printf( "passed\n" );
|
---|
2185 | }
|
---|
2186 |
|
---|
2187 | if( verbose != 0 )
|
---|
2188 | mbedtls_printf( "\n" );
|
---|
2189 |
|
---|
2190 | mbedtls_aes_xts_free( &ctx_xts );
|
---|
2191 | }
|
---|
2192 | #endif /* MBEDTLS_CIPHER_MODE_XTS */
|
---|
2193 |
|
---|
2194 | ret = 0;
|
---|
2195 |
|
---|
2196 | exit:
|
---|
2197 | if( ret != 0 && verbose != 0 )
|
---|
2198 | mbedtls_printf( "failed\n" );
|
---|
2199 |
|
---|
2200 | mbedtls_aes_free( &ctx );
|
---|
2201 |
|
---|
2202 | return( ret );
|
---|
2203 | }
|
---|
2204 |
|
---|
2205 | #endif /* MBEDTLS_SELF_TEST */
|
---|
2206 |
|
---|
2207 | #endif /* MBEDTLS_AES_C */
|
---|