takashi kadono / Mbed OS Nucleo446_SSD1331

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Dependencies:   ssd1331

mbed-os/features/mbedtls/src/aes.c@0:8fdf9a60065b, 2018-10-10 (annotated)

Committer:
kadonotakashi
Date:
Wed Oct 10 00:33:53 2018 +0000
Revision:
0:8fdf9a60065b
how to make mbed librry

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /*
kadonotakashi 0:8fdf9a60065b 2 * FIPS-197 compliant AES implementation
kadonotakashi 0:8fdf9a60065b 3 *
kadonotakashi 0:8fdf9a60065b 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
kadonotakashi 0:8fdf9a60065b 5 * SPDX-License-Identifier: Apache-2.0
kadonotakashi 0:8fdf9a60065b 6 *
kadonotakashi 0:8fdf9a60065b 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
kadonotakashi 0:8fdf9a60065b 8 * not use this file except in compliance with the License.
kadonotakashi 0:8fdf9a60065b 9 * You may obtain a copy of the License at
kadonotakashi 0:8fdf9a60065b 10 *
kadonotakashi 0:8fdf9a60065b 11 * http://www.apache.org/licenses/LICENSE-2.0
kadonotakashi 0:8fdf9a60065b 12 *
kadonotakashi 0:8fdf9a60065b 13 * Unless required by applicable law or agreed to in writing, software
kadonotakashi 0:8fdf9a60065b 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
kadonotakashi 0:8fdf9a60065b 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kadonotakashi 0:8fdf9a60065b 16 * See the License for the specific language governing permissions and
kadonotakashi 0:8fdf9a60065b 17 * limitations under the License.
kadonotakashi 0:8fdf9a60065b 18 *
kadonotakashi 0:8fdf9a60065b 19 * This file is part of mbed TLS (https://tls.mbed.org)
kadonotakashi 0:8fdf9a60065b 20 */
kadonotakashi 0:8fdf9a60065b 21 /*
kadonotakashi 0:8fdf9a60065b 22 * The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
kadonotakashi 0:8fdf9a60065b 23 *
kadonotakashi 0:8fdf9a60065b 24 * http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
kadonotakashi 0:8fdf9a60065b 25 * http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
kadonotakashi 0:8fdf9a60065b 26 */
kadonotakashi 0:8fdf9a60065b 27
kadonotakashi 0:8fdf9a60065b 28 #if !defined(MBEDTLS_CONFIG_FILE)
kadonotakashi 0:8fdf9a60065b 29 #include "mbedtls/config.h"
kadonotakashi 0:8fdf9a60065b 30 #else
kadonotakashi 0:8fdf9a60065b 31 #include MBEDTLS_CONFIG_FILE
kadonotakashi 0:8fdf9a60065b 32 #endif
kadonotakashi 0:8fdf9a60065b 33
kadonotakashi 0:8fdf9a60065b 34 #if defined(MBEDTLS_AES_C)
kadonotakashi 0:8fdf9a60065b 35
kadonotakashi 0:8fdf9a60065b 36 #include <string.h>
kadonotakashi 0:8fdf9a60065b 37
kadonotakashi 0:8fdf9a60065b 38 #include "mbedtls/aes.h"
kadonotakashi 0:8fdf9a60065b 39 #include "mbedtls/platform_util.h"
kadonotakashi 0:8fdf9a60065b 40 #if defined(MBEDTLS_PADLOCK_C)
kadonotakashi 0:8fdf9a60065b 41 #include "mbedtls/padlock.h"
kadonotakashi 0:8fdf9a60065b 42 #endif
kadonotakashi 0:8fdf9a60065b 43 #if defined(MBEDTLS_AESNI_C)
kadonotakashi 0:8fdf9a60065b 44 #include "mbedtls/aesni.h"
kadonotakashi 0:8fdf9a60065b 45 #endif
kadonotakashi 0:8fdf9a60065b 46
kadonotakashi 0:8fdf9a60065b 47 #if defined(MBEDTLS_SELF_TEST)
kadonotakashi 0:8fdf9a60065b 48 #if defined(MBEDTLS_PLATFORM_C)
kadonotakashi 0:8fdf9a60065b 49 #include "mbedtls/platform.h"
kadonotakashi 0:8fdf9a60065b 50 #else
kadonotakashi 0:8fdf9a60065b 51 #include <stdio.h>
kadonotakashi 0:8fdf9a60065b 52 #define mbedtls_printf printf
kadonotakashi 0:8fdf9a60065b 53 #endif /* MBEDTLS_PLATFORM_C */
kadonotakashi 0:8fdf9a60065b 54 #endif /* MBEDTLS_SELF_TEST */
kadonotakashi 0:8fdf9a60065b 55
kadonotakashi 0:8fdf9a60065b 56 #if !defined(MBEDTLS_AES_ALT)
kadonotakashi 0:8fdf9a60065b 57
kadonotakashi 0:8fdf9a60065b 58 /*
kadonotakashi 0:8fdf9a60065b 59 * 32-bit integer manipulation macros (little endian)
kadonotakashi 0:8fdf9a60065b 60 */
kadonotakashi 0:8fdf9a60065b 61 #ifndef GET_UINT32_LE
kadonotakashi 0:8fdf9a60065b 62 #define GET_UINT32_LE(n,b,i) \
kadonotakashi 0:8fdf9a60065b 63 { \
kadonotakashi 0:8fdf9a60065b 64 (n) = ( (uint32_t) (b)[(i) ] ) \
kadonotakashi 0:8fdf9a60065b 65 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
kadonotakashi 0:8fdf9a60065b 66 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
kadonotakashi 0:8fdf9a60065b 67 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
kadonotakashi 0:8fdf9a60065b 68 }
kadonotakashi 0:8fdf9a60065b 69 #endif
kadonotakashi 0:8fdf9a60065b 70
kadonotakashi 0:8fdf9a60065b 71 #ifndef PUT_UINT32_LE
kadonotakashi 0:8fdf9a60065b 72 #define PUT_UINT32_LE(n,b,i) \
kadonotakashi 0:8fdf9a60065b 73 { \
kadonotakashi 0:8fdf9a60065b 74 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 75 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 76 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 77 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 78 }
kadonotakashi 0:8fdf9a60065b 79 #endif
kadonotakashi 0:8fdf9a60065b 80
kadonotakashi 0:8fdf9a60065b 81 #if defined(MBEDTLS_PADLOCK_C) && \
kadonotakashi 0:8fdf9a60065b 82 ( defined(MBEDTLS_HAVE_X86) || defined(MBEDTLS_PADLOCK_ALIGN16) )
kadonotakashi 0:8fdf9a60065b 83 static int aes_padlock_ace = -1;
kadonotakashi 0:8fdf9a60065b 84 #endif
kadonotakashi 0:8fdf9a60065b 85
kadonotakashi 0:8fdf9a60065b 86 #if defined(MBEDTLS_AES_ROM_TABLES)
kadonotakashi 0:8fdf9a60065b 87 /*
kadonotakashi 0:8fdf9a60065b 88 * Forward S-box
kadonotakashi 0:8fdf9a60065b 89 */
kadonotakashi 0:8fdf9a60065b 90 static const unsigned char FSb[256] =
kadonotakashi 0:8fdf9a60065b 91 {
kadonotakashi 0:8fdf9a60065b 92 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
kadonotakashi 0:8fdf9a60065b 93 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
kadonotakashi 0:8fdf9a60065b 94 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
kadonotakashi 0:8fdf9a60065b 95 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
kadonotakashi 0:8fdf9a60065b 96 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
kadonotakashi 0:8fdf9a60065b 97 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
kadonotakashi 0:8fdf9a60065b 98 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
kadonotakashi 0:8fdf9a60065b 99 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
kadonotakashi 0:8fdf9a60065b 100 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
kadonotakashi 0:8fdf9a60065b 101 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
kadonotakashi 0:8fdf9a60065b 102 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
kadonotakashi 0:8fdf9a60065b 103 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
kadonotakashi 0:8fdf9a60065b 104 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
kadonotakashi 0:8fdf9a60065b 105 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
kadonotakashi 0:8fdf9a60065b 106 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
kadonotakashi 0:8fdf9a60065b 107 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
kadonotakashi 0:8fdf9a60065b 108 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
kadonotakashi 0:8fdf9a60065b 109 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
kadonotakashi 0:8fdf9a60065b 110 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
kadonotakashi 0:8fdf9a60065b 111 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
kadonotakashi 0:8fdf9a60065b 112 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
kadonotakashi 0:8fdf9a60065b 113 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
kadonotakashi 0:8fdf9a60065b 114 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
kadonotakashi 0:8fdf9a60065b 115 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
kadonotakashi 0:8fdf9a60065b 116 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
kadonotakashi 0:8fdf9a60065b 117 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
kadonotakashi 0:8fdf9a60065b 118 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
kadonotakashi 0:8fdf9a60065b 119 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
kadonotakashi 0:8fdf9a60065b 120 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
kadonotakashi 0:8fdf9a60065b 121 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
kadonotakashi 0:8fdf9a60065b 122 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
kadonotakashi 0:8fdf9a60065b 123 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
kadonotakashi 0:8fdf9a60065b 124 };
kadonotakashi 0:8fdf9a60065b 125
kadonotakashi 0:8fdf9a60065b 126 /*
kadonotakashi 0:8fdf9a60065b 127 * Forward tables
kadonotakashi 0:8fdf9a60065b 128 */
kadonotakashi 0:8fdf9a60065b 129 #define FT \
kadonotakashi 0:8fdf9a60065b 130 \
kadonotakashi 0:8fdf9a60065b 131 V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \
kadonotakashi 0:8fdf9a60065b 132 V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \
kadonotakashi 0:8fdf9a60065b 133 V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \
kadonotakashi 0:8fdf9a60065b 134 V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \
kadonotakashi 0:8fdf9a60065b 135 V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \
kadonotakashi 0:8fdf9a60065b 136 V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \
kadonotakashi 0:8fdf9a60065b 137 V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \
kadonotakashi 0:8fdf9a60065b 138 V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \
kadonotakashi 0:8fdf9a60065b 139 V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \
kadonotakashi 0:8fdf9a60065b 140 V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \
kadonotakashi 0:8fdf9a60065b 141 V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \
kadonotakashi 0:8fdf9a60065b 142 V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \
kadonotakashi 0:8fdf9a60065b 143 V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \
kadonotakashi 0:8fdf9a60065b 144 V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \
kadonotakashi 0:8fdf9a60065b 145 V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \
kadonotakashi 0:8fdf9a60065b 146 V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \
kadonotakashi 0:8fdf9a60065b 147 V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \
kadonotakashi 0:8fdf9a60065b 148 V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \
kadonotakashi 0:8fdf9a60065b 149 V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \
kadonotakashi 0:8fdf9a60065b 150 V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \
kadonotakashi 0:8fdf9a60065b 151 V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \
kadonotakashi 0:8fdf9a60065b 152 V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \
kadonotakashi 0:8fdf9a60065b 153 V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \
kadonotakashi 0:8fdf9a60065b 154 V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \
kadonotakashi 0:8fdf9a60065b 155 V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \
kadonotakashi 0:8fdf9a60065b 156 V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \
kadonotakashi 0:8fdf9a60065b 157 V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \
kadonotakashi 0:8fdf9a60065b 158 V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \
kadonotakashi 0:8fdf9a60065b 159 V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \
kadonotakashi 0:8fdf9a60065b 160 V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \
kadonotakashi 0:8fdf9a60065b 161 V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \
kadonotakashi 0:8fdf9a60065b 162 V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \
kadonotakashi 0:8fdf9a60065b 163 V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \
kadonotakashi 0:8fdf9a60065b 164 V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \
kadonotakashi 0:8fdf9a60065b 165 V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \
kadonotakashi 0:8fdf9a60065b 166 V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \
kadonotakashi 0:8fdf9a60065b 167 V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \
kadonotakashi 0:8fdf9a60065b 168 V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \
kadonotakashi 0:8fdf9a60065b 169 V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \
kadonotakashi 0:8fdf9a60065b 170 V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \
kadonotakashi 0:8fdf9a60065b 171 V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \
kadonotakashi 0:8fdf9a60065b 172 V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \
kadonotakashi 0:8fdf9a60065b 173 V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \
kadonotakashi 0:8fdf9a60065b 174 V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \
kadonotakashi 0:8fdf9a60065b 175 V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \
kadonotakashi 0:8fdf9a60065b 176 V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \
kadonotakashi 0:8fdf9a60065b 177 V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \
kadonotakashi 0:8fdf9a60065b 178 V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \
kadonotakashi 0:8fdf9a60065b 179 V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \
kadonotakashi 0:8fdf9a60065b 180 V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \
kadonotakashi 0:8fdf9a60065b 181 V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \
kadonotakashi 0:8fdf9a60065b 182 V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \
kadonotakashi 0:8fdf9a60065b 183 V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \
kadonotakashi 0:8fdf9a60065b 184 V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \
kadonotakashi 0:8fdf9a60065b 185 V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \
kadonotakashi 0:8fdf9a60065b 186 V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \
kadonotakashi 0:8fdf9a60065b 187 V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \
kadonotakashi 0:8fdf9a60065b 188 V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \
kadonotakashi 0:8fdf9a60065b 189 V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \
kadonotakashi 0:8fdf9a60065b 190 V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \
kadonotakashi 0:8fdf9a60065b 191 V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \
kadonotakashi 0:8fdf9a60065b 192 V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \
kadonotakashi 0:8fdf9a60065b 193 V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \
kadonotakashi 0:8fdf9a60065b 194 V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C)
kadonotakashi 0:8fdf9a60065b 195
kadonotakashi 0:8fdf9a60065b 196 #define V(a,b,c,d) 0x##a##b##c##d
kadonotakashi 0:8fdf9a60065b 197 static const uint32_t FT0[256] = { FT };
kadonotakashi 0:8fdf9a60065b 198 #undef V
kadonotakashi 0:8fdf9a60065b 199
kadonotakashi 0:8fdf9a60065b 200 #if !defined(MBEDTLS_AES_FEWER_TABLES)
kadonotakashi 0:8fdf9a60065b 201
kadonotakashi 0:8fdf9a60065b 202 #define V(a,b,c,d) 0x##b##c##d##a
kadonotakashi 0:8fdf9a60065b 203 static const uint32_t FT1[256] = { FT };
kadonotakashi 0:8fdf9a60065b 204 #undef V
kadonotakashi 0:8fdf9a60065b 205
kadonotakashi 0:8fdf9a60065b 206 #define V(a,b,c,d) 0x##c##d##a##b
kadonotakashi 0:8fdf9a60065b 207 static const uint32_t FT2[256] = { FT };
kadonotakashi 0:8fdf9a60065b 208 #undef V
kadonotakashi 0:8fdf9a60065b 209
kadonotakashi 0:8fdf9a60065b 210 #define V(a,b,c,d) 0x##d##a##b##c
kadonotakashi 0:8fdf9a60065b 211 static const uint32_t FT3[256] = { FT };
kadonotakashi 0:8fdf9a60065b 212 #undef V
kadonotakashi 0:8fdf9a60065b 213
kadonotakashi 0:8fdf9a60065b 214 #endif /* !MBEDTLS_AES_FEWER_TABLES */
kadonotakashi 0:8fdf9a60065b 215
kadonotakashi 0:8fdf9a60065b 216 #undef FT
kadonotakashi 0:8fdf9a60065b 217
kadonotakashi 0:8fdf9a60065b 218 /*
kadonotakashi 0:8fdf9a60065b 219 * Reverse S-box
kadonotakashi 0:8fdf9a60065b 220 */
kadonotakashi 0:8fdf9a60065b 221 static const unsigned char RSb[256] =
kadonotakashi 0:8fdf9a60065b 222 {
kadonotakashi 0:8fdf9a60065b 223 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
kadonotakashi 0:8fdf9a60065b 224 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
kadonotakashi 0:8fdf9a60065b 225 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
kadonotakashi 0:8fdf9a60065b 226 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
kadonotakashi 0:8fdf9a60065b 227 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
kadonotakashi 0:8fdf9a60065b 228 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
kadonotakashi 0:8fdf9a60065b 229 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
kadonotakashi 0:8fdf9a60065b 230 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
kadonotakashi 0:8fdf9a60065b 231 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
kadonotakashi 0:8fdf9a60065b 232 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
kadonotakashi 0:8fdf9a60065b 233 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
kadonotakashi 0:8fdf9a60065b 234 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
kadonotakashi 0:8fdf9a60065b 235 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
kadonotakashi 0:8fdf9a60065b 236 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
kadonotakashi 0:8fdf9a60065b 237 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
kadonotakashi 0:8fdf9a60065b 238 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
kadonotakashi 0:8fdf9a60065b 239 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
kadonotakashi 0:8fdf9a60065b 240 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
kadonotakashi 0:8fdf9a60065b 241 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
kadonotakashi 0:8fdf9a60065b 242 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
kadonotakashi 0:8fdf9a60065b 243 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
kadonotakashi 0:8fdf9a60065b 244 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
kadonotakashi 0:8fdf9a60065b 245 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
kadonotakashi 0:8fdf9a60065b 246 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
kadonotakashi 0:8fdf9a60065b 247 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
kadonotakashi 0:8fdf9a60065b 248 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
kadonotakashi 0:8fdf9a60065b 249 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
kadonotakashi 0:8fdf9a60065b 250 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
kadonotakashi 0:8fdf9a60065b 251 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
kadonotakashi 0:8fdf9a60065b 252 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
kadonotakashi 0:8fdf9a60065b 253 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
kadonotakashi 0:8fdf9a60065b 254 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
kadonotakashi 0:8fdf9a60065b 255 };
kadonotakashi 0:8fdf9a60065b 256
kadonotakashi 0:8fdf9a60065b 257 /*
kadonotakashi 0:8fdf9a60065b 258 * Reverse tables
kadonotakashi 0:8fdf9a60065b 259 */
kadonotakashi 0:8fdf9a60065b 260 #define RT \
kadonotakashi 0:8fdf9a60065b 261 \
kadonotakashi 0:8fdf9a60065b 262 V(50,A7,F4,51), V(53,65,41,7E), V(C3,A4,17,1A), V(96,5E,27,3A), \
kadonotakashi 0:8fdf9a60065b 263 V(CB,6B,AB,3B), V(F1,45,9D,1F), V(AB,58,FA,AC), V(93,03,E3,4B), \
kadonotakashi 0:8fdf9a60065b 264 V(55,FA,30,20), V(F6,6D,76,AD), V(91,76,CC,88), V(25,4C,02,F5), \
kadonotakashi 0:8fdf9a60065b 265 V(FC,D7,E5,4F), V(D7,CB,2A,C5), V(80,44,35,26), V(8F,A3,62,B5), \
kadonotakashi 0:8fdf9a60065b 266 V(49,5A,B1,DE), V(67,1B,BA,25), V(98,0E,EA,45), V(E1,C0,FE,5D), \
kadonotakashi 0:8fdf9a60065b 267 V(02,75,2F,C3), V(12,F0,4C,81), V(A3,97,46,8D), V(C6,F9,D3,6B), \
kadonotakashi 0:8fdf9a60065b 268 V(E7,5F,8F,03), V(95,9C,92,15), V(EB,7A,6D,BF), V(DA,59,52,95), \
kadonotakashi 0:8fdf9a60065b 269 V(2D,83,BE,D4), V(D3,21,74,58), V(29,69,E0,49), V(44,C8,C9,8E), \
kadonotakashi 0:8fdf9a60065b 270 V(6A,89,C2,75), V(78,79,8E,F4), V(6B,3E,58,99), V(DD,71,B9,27), \
kadonotakashi 0:8fdf9a60065b 271 V(B6,4F,E1,BE), V(17,AD,88,F0), V(66,AC,20,C9), V(B4,3A,CE,7D), \
kadonotakashi 0:8fdf9a60065b 272 V(18,4A,DF,63), V(82,31,1A,E5), V(60,33,51,97), V(45,7F,53,62), \
kadonotakashi 0:8fdf9a60065b 273 V(E0,77,64,B1), V(84,AE,6B,BB), V(1C,A0,81,FE), V(94,2B,08,F9), \
kadonotakashi 0:8fdf9a60065b 274 V(58,68,48,70), V(19,FD,45,8F), V(87,6C,DE,94), V(B7,F8,7B,52), \
kadonotakashi 0:8fdf9a60065b 275 V(23,D3,73,AB), V(E2,02,4B,72), V(57,8F,1F,E3), V(2A,AB,55,66), \
kadonotakashi 0:8fdf9a60065b 276 V(07,28,EB,B2), V(03,C2,B5,2F), V(9A,7B,C5,86), V(A5,08,37,D3), \
kadonotakashi 0:8fdf9a60065b 277 V(F2,87,28,30), V(B2,A5,BF,23), V(BA,6A,03,02), V(5C,82,16,ED), \
kadonotakashi 0:8fdf9a60065b 278 V(2B,1C,CF,8A), V(92,B4,79,A7), V(F0,F2,07,F3), V(A1,E2,69,4E), \
kadonotakashi 0:8fdf9a60065b 279 V(CD,F4,DA,65), V(D5,BE,05,06), V(1F,62,34,D1), V(8A,FE,A6,C4), \
kadonotakashi 0:8fdf9a60065b 280 V(9D,53,2E,34), V(A0,55,F3,A2), V(32,E1,8A,05), V(75,EB,F6,A4), \
kadonotakashi 0:8fdf9a60065b 281 V(39,EC,83,0B), V(AA,EF,60,40), V(06,9F,71,5E), V(51,10,6E,BD), \
kadonotakashi 0:8fdf9a60065b 282 V(F9,8A,21,3E), V(3D,06,DD,96), V(AE,05,3E,DD), V(46,BD,E6,4D), \
kadonotakashi 0:8fdf9a60065b 283 V(B5,8D,54,91), V(05,5D,C4,71), V(6F,D4,06,04), V(FF,15,50,60), \
kadonotakashi 0:8fdf9a60065b 284 V(24,FB,98,19), V(97,E9,BD,D6), V(CC,43,40,89), V(77,9E,D9,67), \
kadonotakashi 0:8fdf9a60065b 285 V(BD,42,E8,B0), V(88,8B,89,07), V(38,5B,19,E7), V(DB,EE,C8,79), \
kadonotakashi 0:8fdf9a60065b 286 V(47,0A,7C,A1), V(E9,0F,42,7C), V(C9,1E,84,F8), V(00,00,00,00), \
kadonotakashi 0:8fdf9a60065b 287 V(83,86,80,09), V(48,ED,2B,32), V(AC,70,11,1E), V(4E,72,5A,6C), \
kadonotakashi 0:8fdf9a60065b 288 V(FB,FF,0E,FD), V(56,38,85,0F), V(1E,D5,AE,3D), V(27,39,2D,36), \
kadonotakashi 0:8fdf9a60065b 289 V(64,D9,0F,0A), V(21,A6,5C,68), V(D1,54,5B,9B), V(3A,2E,36,24), \
kadonotakashi 0:8fdf9a60065b 290 V(B1,67,0A,0C), V(0F,E7,57,93), V(D2,96,EE,B4), V(9E,91,9B,1B), \
kadonotakashi 0:8fdf9a60065b 291 V(4F,C5,C0,80), V(A2,20,DC,61), V(69,4B,77,5A), V(16,1A,12,1C), \
kadonotakashi 0:8fdf9a60065b 292 V(0A,BA,93,E2), V(E5,2A,A0,C0), V(43,E0,22,3C), V(1D,17,1B,12), \
kadonotakashi 0:8fdf9a60065b 293 V(0B,0D,09,0E), V(AD,C7,8B,F2), V(B9,A8,B6,2D), V(C8,A9,1E,14), \
kadonotakashi 0:8fdf9a60065b 294 V(85,19,F1,57), V(4C,07,75,AF), V(BB,DD,99,EE), V(FD,60,7F,A3), \
kadonotakashi 0:8fdf9a60065b 295 V(9F,26,01,F7), V(BC,F5,72,5C), V(C5,3B,66,44), V(34,7E,FB,5B), \
kadonotakashi 0:8fdf9a60065b 296 V(76,29,43,8B), V(DC,C6,23,CB), V(68,FC,ED,B6), V(63,F1,E4,B8), \
kadonotakashi 0:8fdf9a60065b 297 V(CA,DC,31,D7), V(10,85,63,42), V(40,22,97,13), V(20,11,C6,84), \
kadonotakashi 0:8fdf9a60065b 298 V(7D,24,4A,85), V(F8,3D,BB,D2), V(11,32,F9,AE), V(6D,A1,29,C7), \
kadonotakashi 0:8fdf9a60065b 299 V(4B,2F,9E,1D), V(F3,30,B2,DC), V(EC,52,86,0D), V(D0,E3,C1,77), \
kadonotakashi 0:8fdf9a60065b 300 V(6C,16,B3,2B), V(99,B9,70,A9), V(FA,48,94,11), V(22,64,E9,47), \
kadonotakashi 0:8fdf9a60065b 301 V(C4,8C,FC,A8), V(1A,3F,F0,A0), V(D8,2C,7D,56), V(EF,90,33,22), \
kadonotakashi 0:8fdf9a60065b 302 V(C7,4E,49,87), V(C1,D1,38,D9), V(FE,A2,CA,8C), V(36,0B,D4,98), \
kadonotakashi 0:8fdf9a60065b 303 V(CF,81,F5,A6), V(28,DE,7A,A5), V(26,8E,B7,DA), V(A4,BF,AD,3F), \
kadonotakashi 0:8fdf9a60065b 304 V(E4,9D,3A,2C), V(0D,92,78,50), V(9B,CC,5F,6A), V(62,46,7E,54), \
kadonotakashi 0:8fdf9a60065b 305 V(C2,13,8D,F6), V(E8,B8,D8,90), V(5E,F7,39,2E), V(F5,AF,C3,82), \
kadonotakashi 0:8fdf9a60065b 306 V(BE,80,5D,9F), V(7C,93,D0,69), V(A9,2D,D5,6F), V(B3,12,25,CF), \
kadonotakashi 0:8fdf9a60065b 307 V(3B,99,AC,C8), V(A7,7D,18,10), V(6E,63,9C,E8), V(7B,BB,3B,DB), \
kadonotakashi 0:8fdf9a60065b 308 V(09,78,26,CD), V(F4,18,59,6E), V(01,B7,9A,EC), V(A8,9A,4F,83), \
kadonotakashi 0:8fdf9a60065b 309 V(65,6E,95,E6), V(7E,E6,FF,AA), V(08,CF,BC,21), V(E6,E8,15,EF), \
kadonotakashi 0:8fdf9a60065b 310 V(D9,9B,E7,BA), V(CE,36,6F,4A), V(D4,09,9F,EA), V(D6,7C,B0,29), \
kadonotakashi 0:8fdf9a60065b 311 V(AF,B2,A4,31), V(31,23,3F,2A), V(30,94,A5,C6), V(C0,66,A2,35), \
kadonotakashi 0:8fdf9a60065b 312 V(37,BC,4E,74), V(A6,CA,82,FC), V(B0,D0,90,E0), V(15,D8,A7,33), \
kadonotakashi 0:8fdf9a60065b 313 V(4A,98,04,F1), V(F7,DA,EC,41), V(0E,50,CD,7F), V(2F,F6,91,17), \
kadonotakashi 0:8fdf9a60065b 314 V(8D,D6,4D,76), V(4D,B0,EF,43), V(54,4D,AA,CC), V(DF,04,96,E4), \
kadonotakashi 0:8fdf9a60065b 315 V(E3,B5,D1,9E), V(1B,88,6A,4C), V(B8,1F,2C,C1), V(7F,51,65,46), \
kadonotakashi 0:8fdf9a60065b 316 V(04,EA,5E,9D), V(5D,35,8C,01), V(73,74,87,FA), V(2E,41,0B,FB), \
kadonotakashi 0:8fdf9a60065b 317 V(5A,1D,67,B3), V(52,D2,DB,92), V(33,56,10,E9), V(13,47,D6,6D), \
kadonotakashi 0:8fdf9a60065b 318 V(8C,61,D7,9A), V(7A,0C,A1,37), V(8E,14,F8,59), V(89,3C,13,EB), \
kadonotakashi 0:8fdf9a60065b 319 V(EE,27,A9,CE), V(35,C9,61,B7), V(ED,E5,1C,E1), V(3C,B1,47,7A), \
kadonotakashi 0:8fdf9a60065b 320 V(59,DF,D2,9C), V(3F,73,F2,55), V(79,CE,14,18), V(BF,37,C7,73), \
kadonotakashi 0:8fdf9a60065b 321 V(EA,CD,F7,53), V(5B,AA,FD,5F), V(14,6F,3D,DF), V(86,DB,44,78), \
kadonotakashi 0:8fdf9a60065b 322 V(81,F3,AF,CA), V(3E,C4,68,B9), V(2C,34,24,38), V(5F,40,A3,C2), \
kadonotakashi 0:8fdf9a60065b 323 V(72,C3,1D,16), V(0C,25,E2,BC), V(8B,49,3C,28), V(41,95,0D,FF), \
kadonotakashi 0:8fdf9a60065b 324 V(71,01,A8,39), V(DE,B3,0C,08), V(9C,E4,B4,D8), V(90,C1,56,64), \
kadonotakashi 0:8fdf9a60065b 325 V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0)
kadonotakashi 0:8fdf9a60065b 326
kadonotakashi 0:8fdf9a60065b 327 #define V(a,b,c,d) 0x##a##b##c##d
kadonotakashi 0:8fdf9a60065b 328 static const uint32_t RT0[256] = { RT };
kadonotakashi 0:8fdf9a60065b 329 #undef V
kadonotakashi 0:8fdf9a60065b 330
kadonotakashi 0:8fdf9a60065b 331 #if !defined(MBEDTLS_AES_FEWER_TABLES)
kadonotakashi 0:8fdf9a60065b 332
kadonotakashi 0:8fdf9a60065b 333 #define V(a,b,c,d) 0x##b##c##d##a
kadonotakashi 0:8fdf9a60065b 334 static const uint32_t RT1[256] = { RT };
kadonotakashi 0:8fdf9a60065b 335 #undef V
kadonotakashi 0:8fdf9a60065b 336
kadonotakashi 0:8fdf9a60065b 337 #define V(a,b,c,d) 0x##c##d##a##b
kadonotakashi 0:8fdf9a60065b 338 static const uint32_t RT2[256] = { RT };
kadonotakashi 0:8fdf9a60065b 339 #undef V
kadonotakashi 0:8fdf9a60065b 340
kadonotakashi 0:8fdf9a60065b 341 #define V(a,b,c,d) 0x##d##a##b##c
kadonotakashi 0:8fdf9a60065b 342 static const uint32_t RT3[256] = { RT };
kadonotakashi 0:8fdf9a60065b 343 #undef V
kadonotakashi 0:8fdf9a60065b 344
kadonotakashi 0:8fdf9a60065b 345 #endif /* !MBEDTLS_AES_FEWER_TABLES */
kadonotakashi 0:8fdf9a60065b 346
kadonotakashi 0:8fdf9a60065b 347 #undef RT
kadonotakashi 0:8fdf9a60065b 348
kadonotakashi 0:8fdf9a60065b 349 /*
kadonotakashi 0:8fdf9a60065b 350 * Round constants
kadonotakashi 0:8fdf9a60065b 351 */
kadonotakashi 0:8fdf9a60065b 352 static const uint32_t RCON[10] =
kadonotakashi 0:8fdf9a60065b 353 {
kadonotakashi 0:8fdf9a60065b 354 0x00000001, 0x00000002, 0x00000004, 0x00000008,
kadonotakashi 0:8fdf9a60065b 355 0x00000010, 0x00000020, 0x00000040, 0x00000080,
kadonotakashi 0:8fdf9a60065b 356 0x0000001B, 0x00000036
kadonotakashi 0:8fdf9a60065b 357 };
kadonotakashi 0:8fdf9a60065b 358
kadonotakashi 0:8fdf9a60065b 359 #else /* MBEDTLS_AES_ROM_TABLES */
kadonotakashi 0:8fdf9a60065b 360
kadonotakashi 0:8fdf9a60065b 361 /*
kadonotakashi 0:8fdf9a60065b 362 * Forward S-box & tables
kadonotakashi 0:8fdf9a60065b 363 */
kadonotakashi 0:8fdf9a60065b 364 static unsigned char FSb[256];
kadonotakashi 0:8fdf9a60065b 365 static uint32_t FT0[256];
kadonotakashi 0:8fdf9a60065b 366 #if !defined(MBEDTLS_AES_FEWER_TABLES)
kadonotakashi 0:8fdf9a60065b 367 static uint32_t FT1[256];
kadonotakashi 0:8fdf9a60065b 368 static uint32_t FT2[256];
kadonotakashi 0:8fdf9a60065b 369 static uint32_t FT3[256];
kadonotakashi 0:8fdf9a60065b 370 #endif /* !MBEDTLS_AES_FEWER_TABLES */
kadonotakashi 0:8fdf9a60065b 371
kadonotakashi 0:8fdf9a60065b 372 /*
kadonotakashi 0:8fdf9a60065b 373 * Reverse S-box & tables
kadonotakashi 0:8fdf9a60065b 374 */
kadonotakashi 0:8fdf9a60065b 375 static unsigned char RSb[256];
kadonotakashi 0:8fdf9a60065b 376 static uint32_t RT0[256];
kadonotakashi 0:8fdf9a60065b 377 #if !defined(MBEDTLS_AES_FEWER_TABLES)
kadonotakashi 0:8fdf9a60065b 378 static uint32_t RT1[256];
kadonotakashi 0:8fdf9a60065b 379 static uint32_t RT2[256];
kadonotakashi 0:8fdf9a60065b 380 static uint32_t RT3[256];
kadonotakashi 0:8fdf9a60065b 381 #endif /* !MBEDTLS_AES_FEWER_TABLES */
kadonotakashi 0:8fdf9a60065b 382
kadonotakashi 0:8fdf9a60065b 383 /*
kadonotakashi 0:8fdf9a60065b 384 * Round constants
kadonotakashi 0:8fdf9a60065b 385 */
kadonotakashi 0:8fdf9a60065b 386 static uint32_t RCON[10];
kadonotakashi 0:8fdf9a60065b 387
kadonotakashi 0:8fdf9a60065b 388 /*
kadonotakashi 0:8fdf9a60065b 389 * Tables generation code
kadonotakashi 0:8fdf9a60065b 390 */
kadonotakashi 0:8fdf9a60065b 391 #define ROTL8(x) ( ( x << 8 ) & 0xFFFFFFFF ) | ( x >> 24 )
kadonotakashi 0:8fdf9a60065b 392 #define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) )
kadonotakashi 0:8fdf9a60065b 393 #define MUL(x,y) ( ( x && y ) ? pow[(log[x]+log[y]) % 255] : 0 )
kadonotakashi 0:8fdf9a60065b 394
kadonotakashi 0:8fdf9a60065b 395 static int aes_init_done = 0;
kadonotakashi 0:8fdf9a60065b 396
kadonotakashi 0:8fdf9a60065b 397 static void aes_gen_tables( void )
kadonotakashi 0:8fdf9a60065b 398 {
kadonotakashi 0:8fdf9a60065b 399 int i, x, y, z;
kadonotakashi 0:8fdf9a60065b 400 int pow[256];
kadonotakashi 0:8fdf9a60065b 401 int log[256];
kadonotakashi 0:8fdf9a60065b 402
kadonotakashi 0:8fdf9a60065b 403 /*
kadonotakashi 0:8fdf9a60065b 404 * compute pow and log tables over GF(2^8)
kadonotakashi 0:8fdf9a60065b 405 */
kadonotakashi 0:8fdf9a60065b 406 for( i = 0, x = 1; i < 256; i++ )
kadonotakashi 0:8fdf9a60065b 407 {
kadonotakashi 0:8fdf9a60065b 408 pow[i] = x;
kadonotakashi 0:8fdf9a60065b 409 log[x] = i;
kadonotakashi 0:8fdf9a60065b 410 x = ( x ^ XTIME( x ) ) & 0xFF;
kadonotakashi 0:8fdf9a60065b 411 }
kadonotakashi 0:8fdf9a60065b 412
kadonotakashi 0:8fdf9a60065b 413 /*
kadonotakashi 0:8fdf9a60065b 414 * calculate the round constants
kadonotakashi 0:8fdf9a60065b 415 */
kadonotakashi 0:8fdf9a60065b 416 for( i = 0, x = 1; i < 10; i++ )
kadonotakashi 0:8fdf9a60065b 417 {
kadonotakashi 0:8fdf9a60065b 418 RCON[i] = (uint32_t) x;
kadonotakashi 0:8fdf9a60065b 419 x = XTIME( x ) & 0xFF;
kadonotakashi 0:8fdf9a60065b 420 }
kadonotakashi 0:8fdf9a60065b 421
kadonotakashi 0:8fdf9a60065b 422 /*
kadonotakashi 0:8fdf9a60065b 423 * generate the forward and reverse S-boxes
kadonotakashi 0:8fdf9a60065b 424 */
kadonotakashi 0:8fdf9a60065b 425 FSb[0x00] = 0x63;
kadonotakashi 0:8fdf9a60065b 426 RSb[0x63] = 0x00;
kadonotakashi 0:8fdf9a60065b 427
kadonotakashi 0:8fdf9a60065b 428 for( i = 1; i < 256; i++ )
kadonotakashi 0:8fdf9a60065b 429 {
kadonotakashi 0:8fdf9a60065b 430 x = pow[255 - log[i]];
kadonotakashi 0:8fdf9a60065b 431
kadonotakashi 0:8fdf9a60065b 432 y = x; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
kadonotakashi 0:8fdf9a60065b 433 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
kadonotakashi 0:8fdf9a60065b 434 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
kadonotakashi 0:8fdf9a60065b 435 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
kadonotakashi 0:8fdf9a60065b 436 x ^= y ^ 0x63;
kadonotakashi 0:8fdf9a60065b 437
kadonotakashi 0:8fdf9a60065b 438 FSb[i] = (unsigned char) x;
kadonotakashi 0:8fdf9a60065b 439 RSb[x] = (unsigned char) i;
kadonotakashi 0:8fdf9a60065b 440 }
kadonotakashi 0:8fdf9a60065b 441
kadonotakashi 0:8fdf9a60065b 442 /*
kadonotakashi 0:8fdf9a60065b 443 * generate the forward and reverse tables
kadonotakashi 0:8fdf9a60065b 444 */
kadonotakashi 0:8fdf9a60065b 445 for( i = 0; i < 256; i++ )
kadonotakashi 0:8fdf9a60065b 446 {
kadonotakashi 0:8fdf9a60065b 447 x = FSb[i];
kadonotakashi 0:8fdf9a60065b 448 y = XTIME( x ) & 0xFF;
kadonotakashi 0:8fdf9a60065b 449 z = ( y ^ x ) & 0xFF;
kadonotakashi 0:8fdf9a60065b 450
kadonotakashi 0:8fdf9a60065b 451 FT0[i] = ( (uint32_t) y ) ^
kadonotakashi 0:8fdf9a60065b 452 ( (uint32_t) x << 8 ) ^
kadonotakashi 0:8fdf9a60065b 453 ( (uint32_t) x << 16 ) ^
kadonotakashi 0:8fdf9a60065b 454 ( (uint32_t) z << 24 );
kadonotakashi 0:8fdf9a60065b 455
kadonotakashi 0:8fdf9a60065b 456 #if !defined(MBEDTLS_AES_FEWER_TABLES)
kadonotakashi 0:8fdf9a60065b 457 FT1[i] = ROTL8( FT0[i] );
kadonotakashi 0:8fdf9a60065b 458 FT2[i] = ROTL8( FT1[i] );
kadonotakashi 0:8fdf9a60065b 459 FT3[i] = ROTL8( FT2[i] );
kadonotakashi 0:8fdf9a60065b 460 #endif /* !MBEDTLS_AES_FEWER_TABLES */
kadonotakashi 0:8fdf9a60065b 461
kadonotakashi 0:8fdf9a60065b 462 x = RSb[i];
kadonotakashi 0:8fdf9a60065b 463
kadonotakashi 0:8fdf9a60065b 464 RT0[i] = ( (uint32_t) MUL( 0x0E, x ) ) ^
kadonotakashi 0:8fdf9a60065b 465 ( (uint32_t) MUL( 0x09, x ) << 8 ) ^
kadonotakashi 0:8fdf9a60065b 466 ( (uint32_t) MUL( 0x0D, x ) << 16 ) ^
kadonotakashi 0:8fdf9a60065b 467 ( (uint32_t) MUL( 0x0B, x ) << 24 );
kadonotakashi 0:8fdf9a60065b 468
kadonotakashi 0:8fdf9a60065b 469 #if !defined(MBEDTLS_AES_FEWER_TABLES)
kadonotakashi 0:8fdf9a60065b 470 RT1[i] = ROTL8( RT0[i] );
kadonotakashi 0:8fdf9a60065b 471 RT2[i] = ROTL8( RT1[i] );
kadonotakashi 0:8fdf9a60065b 472 RT3[i] = ROTL8( RT2[i] );
kadonotakashi 0:8fdf9a60065b 473 #endif /* !MBEDTLS_AES_FEWER_TABLES */
kadonotakashi 0:8fdf9a60065b 474 }
kadonotakashi 0:8fdf9a60065b 475 }
kadonotakashi 0:8fdf9a60065b 476
kadonotakashi 0:8fdf9a60065b 477 #undef ROTL8
kadonotakashi 0:8fdf9a60065b 478
kadonotakashi 0:8fdf9a60065b 479 #endif /* MBEDTLS_AES_ROM_TABLES */
kadonotakashi 0:8fdf9a60065b 480
kadonotakashi 0:8fdf9a60065b 481 #if defined(MBEDTLS_AES_FEWER_TABLES)
kadonotakashi 0:8fdf9a60065b 482
kadonotakashi 0:8fdf9a60065b 483 #define ROTL8(x) ( (uint32_t)( ( x ) << 8 ) + (uint32_t)( ( x ) >> 24 ) )
kadonotakashi 0:8fdf9a60065b 484 #define ROTL16(x) ( (uint32_t)( ( x ) << 16 ) + (uint32_t)( ( x ) >> 16 ) )
kadonotakashi 0:8fdf9a60065b 485 #define ROTL24(x) ( (uint32_t)( ( x ) << 24 ) + (uint32_t)( ( x ) >> 8 ) )
kadonotakashi 0:8fdf9a60065b 486
kadonotakashi 0:8fdf9a60065b 487 #define AES_RT0(idx) RT0[idx]
kadonotakashi 0:8fdf9a60065b 488 #define AES_RT1(idx) ROTL8( RT0[idx] )
kadonotakashi 0:8fdf9a60065b 489 #define AES_RT2(idx) ROTL16( RT0[idx] )
kadonotakashi 0:8fdf9a60065b 490 #define AES_RT3(idx) ROTL24( RT0[idx] )
kadonotakashi 0:8fdf9a60065b 491
kadonotakashi 0:8fdf9a60065b 492 #define AES_FT0(idx) FT0[idx]
kadonotakashi 0:8fdf9a60065b 493 #define AES_FT1(idx) ROTL8( FT0[idx] )
kadonotakashi 0:8fdf9a60065b 494 #define AES_FT2(idx) ROTL16( FT0[idx] )
kadonotakashi 0:8fdf9a60065b 495 #define AES_FT3(idx) ROTL24( FT0[idx] )
kadonotakashi 0:8fdf9a60065b 496
kadonotakashi 0:8fdf9a60065b 497 #else /* MBEDTLS_AES_FEWER_TABLES */
kadonotakashi 0:8fdf9a60065b 498
kadonotakashi 0:8fdf9a60065b 499 #define AES_RT0(idx) RT0[idx]
kadonotakashi 0:8fdf9a60065b 500 #define AES_RT1(idx) RT1[idx]
kadonotakashi 0:8fdf9a60065b 501 #define AES_RT2(idx) RT2[idx]
kadonotakashi 0:8fdf9a60065b 502 #define AES_RT3(idx) RT3[idx]
kadonotakashi 0:8fdf9a60065b 503
kadonotakashi 0:8fdf9a60065b 504 #define AES_FT0(idx) FT0[idx]
kadonotakashi 0:8fdf9a60065b 505 #define AES_FT1(idx) FT1[idx]
kadonotakashi 0:8fdf9a60065b 506 #define AES_FT2(idx) FT2[idx]
kadonotakashi 0:8fdf9a60065b 507 #define AES_FT3(idx) FT3[idx]
kadonotakashi 0:8fdf9a60065b 508
kadonotakashi 0:8fdf9a60065b 509 #endif /* MBEDTLS_AES_FEWER_TABLES */
kadonotakashi 0:8fdf9a60065b 510
kadonotakashi 0:8fdf9a60065b 511 void mbedtls_aes_init( mbedtls_aes_context *ctx )
kadonotakashi 0:8fdf9a60065b 512 {
kadonotakashi 0:8fdf9a60065b 513 memset( ctx, 0, sizeof( mbedtls_aes_context ) );
kadonotakashi 0:8fdf9a60065b 514 }
kadonotakashi 0:8fdf9a60065b 515
kadonotakashi 0:8fdf9a60065b 516 void mbedtls_aes_free( mbedtls_aes_context *ctx )
kadonotakashi 0:8fdf9a60065b 517 {
kadonotakashi 0:8fdf9a60065b 518 if( ctx == NULL )
kadonotakashi 0:8fdf9a60065b 519 return;
kadonotakashi 0:8fdf9a60065b 520
kadonotakashi 0:8fdf9a60065b 521 mbedtls_platform_zeroize( ctx, sizeof( mbedtls_aes_context ) );
kadonotakashi 0:8fdf9a60065b 522 }
kadonotakashi 0:8fdf9a60065b 523
kadonotakashi 0:8fdf9a60065b 524 #if defined(MBEDTLS_CIPHER_MODE_XTS)
kadonotakashi 0:8fdf9a60065b 525 void mbedtls_aes_xts_init( mbedtls_aes_xts_context *ctx )
kadonotakashi 0:8fdf9a60065b 526 {
kadonotakashi 0:8fdf9a60065b 527 mbedtls_aes_init( &ctx->crypt );
kadonotakashi 0:8fdf9a60065b 528 mbedtls_aes_init( &ctx->tweak );
kadonotakashi 0:8fdf9a60065b 529 }
kadonotakashi 0:8fdf9a60065b 530
kadonotakashi 0:8fdf9a60065b 531 void mbedtls_aes_xts_free( mbedtls_aes_xts_context *ctx )
kadonotakashi 0:8fdf9a60065b 532 {
kadonotakashi 0:8fdf9a60065b 533 mbedtls_aes_free( &ctx->crypt );
kadonotakashi 0:8fdf9a60065b 534 mbedtls_aes_free( &ctx->tweak );
kadonotakashi 0:8fdf9a60065b 535 }
kadonotakashi 0:8fdf9a60065b 536 #endif /* MBEDTLS_CIPHER_MODE_XTS */
kadonotakashi 0:8fdf9a60065b 537
kadonotakashi 0:8fdf9a60065b 538 /*
kadonotakashi 0:8fdf9a60065b 539 * AES key schedule (encryption)
kadonotakashi 0:8fdf9a60065b 540 */
kadonotakashi 0:8fdf9a60065b 541 #if !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
kadonotakashi 0:8fdf9a60065b 542 int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
kadonotakashi 0:8fdf9a60065b 543 unsigned int keybits )
kadonotakashi 0:8fdf9a60065b 544 {
kadonotakashi 0:8fdf9a60065b 545 unsigned int i;
kadonotakashi 0:8fdf9a60065b 546 uint32_t *RK;
kadonotakashi 0:8fdf9a60065b 547
kadonotakashi 0:8fdf9a60065b 548 #if !defined(MBEDTLS_AES_ROM_TABLES)
kadonotakashi 0:8fdf9a60065b 549 if( aes_init_done == 0 )
kadonotakashi 0:8fdf9a60065b 550 {
kadonotakashi 0:8fdf9a60065b 551 aes_gen_tables();
kadonotakashi 0:8fdf9a60065b 552 aes_init_done = 1;
kadonotakashi 0:8fdf9a60065b 553
kadonotakashi 0:8fdf9a60065b 554 }
kadonotakashi 0:8fdf9a60065b 555 #endif
kadonotakashi 0:8fdf9a60065b 556
kadonotakashi 0:8fdf9a60065b 557 switch( keybits )
kadonotakashi 0:8fdf9a60065b 558 {
kadonotakashi 0:8fdf9a60065b 559 case 128: ctx->nr = 10; break;
kadonotakashi 0:8fdf9a60065b 560 case 192: ctx->nr = 12; break;
kadonotakashi 0:8fdf9a60065b 561 case 256: ctx->nr = 14; break;
kadonotakashi 0:8fdf9a60065b 562 default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
kadonotakashi 0:8fdf9a60065b 563 }
kadonotakashi 0:8fdf9a60065b 564
kadonotakashi 0:8fdf9a60065b 565 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
kadonotakashi 0:8fdf9a60065b 566 if( aes_padlock_ace == -1 )
kadonotakashi 0:8fdf9a60065b 567 aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
kadonotakashi 0:8fdf9a60065b 568
kadonotakashi 0:8fdf9a60065b 569 if( aes_padlock_ace )
kadonotakashi 0:8fdf9a60065b 570 ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
kadonotakashi 0:8fdf9a60065b 571 else
kadonotakashi 0:8fdf9a60065b 572 #endif
kadonotakashi 0:8fdf9a60065b 573 ctx->rk = RK = ctx->buf;
kadonotakashi 0:8fdf9a60065b 574
kadonotakashi 0:8fdf9a60065b 575 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
kadonotakashi 0:8fdf9a60065b 576 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
kadonotakashi 0:8fdf9a60065b 577 return( mbedtls_aesni_setkey_enc( (unsigned char *) ctx->rk, key, keybits ) );
kadonotakashi 0:8fdf9a60065b 578 #endif
kadonotakashi 0:8fdf9a60065b 579
kadonotakashi 0:8fdf9a60065b 580 for( i = 0; i < ( keybits >> 5 ); i++ )
kadonotakashi 0:8fdf9a60065b 581 {
kadonotakashi 0:8fdf9a60065b 582 GET_UINT32_LE( RK[i], key, i << 2 );
kadonotakashi 0:8fdf9a60065b 583 }
kadonotakashi 0:8fdf9a60065b 584
kadonotakashi 0:8fdf9a60065b 585 switch( ctx->nr )
kadonotakashi 0:8fdf9a60065b 586 {
kadonotakashi 0:8fdf9a60065b 587 case 10:
kadonotakashi 0:8fdf9a60065b 588
kadonotakashi 0:8fdf9a60065b 589 for( i = 0; i < 10; i++, RK += 4 )
kadonotakashi 0:8fdf9a60065b 590 {
kadonotakashi 0:8fdf9a60065b 591 RK[4] = RK[0] ^ RCON[i] ^
kadonotakashi 0:8fdf9a60065b 592 ( (uint32_t) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 593 ( (uint32_t) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 594 ( (uint32_t) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 595 ( (uint32_t) FSb[ ( RK[3] ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 596
kadonotakashi 0:8fdf9a60065b 597 RK[5] = RK[1] ^ RK[4];
kadonotakashi 0:8fdf9a60065b 598 RK[6] = RK[2] ^ RK[5];
kadonotakashi 0:8fdf9a60065b 599 RK[7] = RK[3] ^ RK[6];
kadonotakashi 0:8fdf9a60065b 600 }
kadonotakashi 0:8fdf9a60065b 601 break;
kadonotakashi 0:8fdf9a60065b 602
kadonotakashi 0:8fdf9a60065b 603 case 12:
kadonotakashi 0:8fdf9a60065b 604
kadonotakashi 0:8fdf9a60065b 605 for( i = 0; i < 8; i++, RK += 6 )
kadonotakashi 0:8fdf9a60065b 606 {
kadonotakashi 0:8fdf9a60065b 607 RK[6] = RK[0] ^ RCON[i] ^
kadonotakashi 0:8fdf9a60065b 608 ( (uint32_t) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 609 ( (uint32_t) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 610 ( (uint32_t) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 611 ( (uint32_t) FSb[ ( RK[5] ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 612
kadonotakashi 0:8fdf9a60065b 613 RK[7] = RK[1] ^ RK[6];
kadonotakashi 0:8fdf9a60065b 614 RK[8] = RK[2] ^ RK[7];
kadonotakashi 0:8fdf9a60065b 615 RK[9] = RK[3] ^ RK[8];
kadonotakashi 0:8fdf9a60065b 616 RK[10] = RK[4] ^ RK[9];
kadonotakashi 0:8fdf9a60065b 617 RK[11] = RK[5] ^ RK[10];
kadonotakashi 0:8fdf9a60065b 618 }
kadonotakashi 0:8fdf9a60065b 619 break;
kadonotakashi 0:8fdf9a60065b 620
kadonotakashi 0:8fdf9a60065b 621 case 14:
kadonotakashi 0:8fdf9a60065b 622
kadonotakashi 0:8fdf9a60065b 623 for( i = 0; i < 7; i++, RK += 8 )
kadonotakashi 0:8fdf9a60065b 624 {
kadonotakashi 0:8fdf9a60065b 625 RK[8] = RK[0] ^ RCON[i] ^
kadonotakashi 0:8fdf9a60065b 626 ( (uint32_t) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 627 ( (uint32_t) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 628 ( (uint32_t) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 629 ( (uint32_t) FSb[ ( RK[7] ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 630
kadonotakashi 0:8fdf9a60065b 631 RK[9] = RK[1] ^ RK[8];
kadonotakashi 0:8fdf9a60065b 632 RK[10] = RK[2] ^ RK[9];
kadonotakashi 0:8fdf9a60065b 633 RK[11] = RK[3] ^ RK[10];
kadonotakashi 0:8fdf9a60065b 634
kadonotakashi 0:8fdf9a60065b 635 RK[12] = RK[4] ^
kadonotakashi 0:8fdf9a60065b 636 ( (uint32_t) FSb[ ( RK[11] ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 637 ( (uint32_t) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 638 ( (uint32_t) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 639 ( (uint32_t) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 640
kadonotakashi 0:8fdf9a60065b 641 RK[13] = RK[5] ^ RK[12];
kadonotakashi 0:8fdf9a60065b 642 RK[14] = RK[6] ^ RK[13];
kadonotakashi 0:8fdf9a60065b 643 RK[15] = RK[7] ^ RK[14];
kadonotakashi 0:8fdf9a60065b 644 }
kadonotakashi 0:8fdf9a60065b 645 break;
kadonotakashi 0:8fdf9a60065b 646 }
kadonotakashi 0:8fdf9a60065b 647
kadonotakashi 0:8fdf9a60065b 648 return( 0 );
kadonotakashi 0:8fdf9a60065b 649 }
kadonotakashi 0:8fdf9a60065b 650 #endif /* !MBEDTLS_AES_SETKEY_ENC_ALT */
kadonotakashi 0:8fdf9a60065b 651
kadonotakashi 0:8fdf9a60065b 652 /*
kadonotakashi 0:8fdf9a60065b 653 * AES key schedule (decryption)
kadonotakashi 0:8fdf9a60065b 654 */
kadonotakashi 0:8fdf9a60065b 655 #if !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
kadonotakashi 0:8fdf9a60065b 656 int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
kadonotakashi 0:8fdf9a60065b 657 unsigned int keybits )
kadonotakashi 0:8fdf9a60065b 658 {
kadonotakashi 0:8fdf9a60065b 659 int i, j, ret;
kadonotakashi 0:8fdf9a60065b 660 mbedtls_aes_context cty;
kadonotakashi 0:8fdf9a60065b 661 uint32_t *RK;
kadonotakashi 0:8fdf9a60065b 662 uint32_t *SK;
kadonotakashi 0:8fdf9a60065b 663
kadonotakashi 0:8fdf9a60065b 664 mbedtls_aes_init( &cty );
kadonotakashi 0:8fdf9a60065b 665
kadonotakashi 0:8fdf9a60065b 666 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
kadonotakashi 0:8fdf9a60065b 667 if( aes_padlock_ace == -1 )
kadonotakashi 0:8fdf9a60065b 668 aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
kadonotakashi 0:8fdf9a60065b 669
kadonotakashi 0:8fdf9a60065b 670 if( aes_padlock_ace )
kadonotakashi 0:8fdf9a60065b 671 ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
kadonotakashi 0:8fdf9a60065b 672 else
kadonotakashi 0:8fdf9a60065b 673 #endif
kadonotakashi 0:8fdf9a60065b 674 ctx->rk = RK = ctx->buf;
kadonotakashi 0:8fdf9a60065b 675
kadonotakashi 0:8fdf9a60065b 676 /* Also checks keybits */
kadonotakashi 0:8fdf9a60065b 677 if( ( ret = mbedtls_aes_setkey_enc( &cty, key, keybits ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 678 goto exit;
kadonotakashi 0:8fdf9a60065b 679
kadonotakashi 0:8fdf9a60065b 680 ctx->nr = cty.nr;
kadonotakashi 0:8fdf9a60065b 681
kadonotakashi 0:8fdf9a60065b 682 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
kadonotakashi 0:8fdf9a60065b 683 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
kadonotakashi 0:8fdf9a60065b 684 {
kadonotakashi 0:8fdf9a60065b 685 mbedtls_aesni_inverse_key( (unsigned char *) ctx->rk,
kadonotakashi 0:8fdf9a60065b 686 (const unsigned char *) cty.rk, ctx->nr );
kadonotakashi 0:8fdf9a60065b 687 goto exit;
kadonotakashi 0:8fdf9a60065b 688 }
kadonotakashi 0:8fdf9a60065b 689 #endif
kadonotakashi 0:8fdf9a60065b 690
kadonotakashi 0:8fdf9a60065b 691 SK = cty.rk + cty.nr * 4;
kadonotakashi 0:8fdf9a60065b 692
kadonotakashi 0:8fdf9a60065b 693 *RK++ = *SK++;
kadonotakashi 0:8fdf9a60065b 694 *RK++ = *SK++;
kadonotakashi 0:8fdf9a60065b 695 *RK++ = *SK++;
kadonotakashi 0:8fdf9a60065b 696 *RK++ = *SK++;
kadonotakashi 0:8fdf9a60065b 697
kadonotakashi 0:8fdf9a60065b 698 for( i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8 )
kadonotakashi 0:8fdf9a60065b 699 {
kadonotakashi 0:8fdf9a60065b 700 for( j = 0; j < 4; j++, SK++ )
kadonotakashi 0:8fdf9a60065b 701 {
kadonotakashi 0:8fdf9a60065b 702 *RK++ = AES_RT0( FSb[ ( *SK ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 703 AES_RT1( FSb[ ( *SK >> 8 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 704 AES_RT2( FSb[ ( *SK >> 16 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 705 AES_RT3( FSb[ ( *SK >> 24 ) & 0xFF ] );
kadonotakashi 0:8fdf9a60065b 706 }
kadonotakashi 0:8fdf9a60065b 707 }
kadonotakashi 0:8fdf9a60065b 708
kadonotakashi 0:8fdf9a60065b 709 *RK++ = *SK++;
kadonotakashi 0:8fdf9a60065b 710 *RK++ = *SK++;
kadonotakashi 0:8fdf9a60065b 711 *RK++ = *SK++;
kadonotakashi 0:8fdf9a60065b 712 *RK++ = *SK++;
kadonotakashi 0:8fdf9a60065b 713
kadonotakashi 0:8fdf9a60065b 714 exit:
kadonotakashi 0:8fdf9a60065b 715 mbedtls_aes_free( &cty );
kadonotakashi 0:8fdf9a60065b 716
kadonotakashi 0:8fdf9a60065b 717 return( ret );
kadonotakashi 0:8fdf9a60065b 718 }
kadonotakashi 0:8fdf9a60065b 719
kadonotakashi 0:8fdf9a60065b 720 #if defined(MBEDTLS_CIPHER_MODE_XTS)
kadonotakashi 0:8fdf9a60065b 721 static int mbedtls_aes_xts_decode_keys( const unsigned char *key,
kadonotakashi 0:8fdf9a60065b 722 unsigned int keybits,
kadonotakashi 0:8fdf9a60065b 723 const unsigned char **key1,
kadonotakashi 0:8fdf9a60065b 724 unsigned int *key1bits,
kadonotakashi 0:8fdf9a60065b 725 const unsigned char **key2,
kadonotakashi 0:8fdf9a60065b 726 unsigned int *key2bits )
kadonotakashi 0:8fdf9a60065b 727 {
kadonotakashi 0:8fdf9a60065b 728 const unsigned int half_keybits = keybits / 2;
kadonotakashi 0:8fdf9a60065b 729 const unsigned int half_keybytes = half_keybits / 8;
kadonotakashi 0:8fdf9a60065b 730
kadonotakashi 0:8fdf9a60065b 731 switch( keybits )
kadonotakashi 0:8fdf9a60065b 732 {
kadonotakashi 0:8fdf9a60065b 733 case 256: break;
kadonotakashi 0:8fdf9a60065b 734 case 512: break;
kadonotakashi 0:8fdf9a60065b 735 default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
kadonotakashi 0:8fdf9a60065b 736 }
kadonotakashi 0:8fdf9a60065b 737
kadonotakashi 0:8fdf9a60065b 738 *key1bits = half_keybits;
kadonotakashi 0:8fdf9a60065b 739 *key2bits = half_keybits;
kadonotakashi 0:8fdf9a60065b 740 *key1 = &key[0];
kadonotakashi 0:8fdf9a60065b 741 *key2 = &key[half_keybytes];
kadonotakashi 0:8fdf9a60065b 742
kadonotakashi 0:8fdf9a60065b 743 return 0;
kadonotakashi 0:8fdf9a60065b 744 }
kadonotakashi 0:8fdf9a60065b 745
kadonotakashi 0:8fdf9a60065b 746 int mbedtls_aes_xts_setkey_enc( mbedtls_aes_xts_context *ctx,
kadonotakashi 0:8fdf9a60065b 747 const unsigned char *key,
kadonotakashi 0:8fdf9a60065b 748 unsigned int keybits)
kadonotakashi 0:8fdf9a60065b 749 {
kadonotakashi 0:8fdf9a60065b 750 int ret;
kadonotakashi 0:8fdf9a60065b 751 const unsigned char *key1, *key2;
kadonotakashi 0:8fdf9a60065b 752 unsigned int key1bits, key2bits;
kadonotakashi 0:8fdf9a60065b 753
kadonotakashi 0:8fdf9a60065b 754 ret = mbedtls_aes_xts_decode_keys( key, keybits, &key1, &key1bits,
kadonotakashi 0:8fdf9a60065b 755 &key2, &key2bits );
kadonotakashi 0:8fdf9a60065b 756 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 757 return( ret );
kadonotakashi 0:8fdf9a60065b 758
kadonotakashi 0:8fdf9a60065b 759 /* Set the tweak key. Always set tweak key for the encryption mode. */
kadonotakashi 0:8fdf9a60065b 760 ret = mbedtls_aes_setkey_enc( &ctx->tweak, key2, key2bits );
kadonotakashi 0:8fdf9a60065b 761 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 762 return( ret );
kadonotakashi 0:8fdf9a60065b 763
kadonotakashi 0:8fdf9a60065b 764 /* Set crypt key for encryption. */
kadonotakashi 0:8fdf9a60065b 765 return mbedtls_aes_setkey_enc( &ctx->crypt, key1, key1bits );
kadonotakashi 0:8fdf9a60065b 766 }
kadonotakashi 0:8fdf9a60065b 767
kadonotakashi 0:8fdf9a60065b 768 int mbedtls_aes_xts_setkey_dec( mbedtls_aes_xts_context *ctx,
kadonotakashi 0:8fdf9a60065b 769 const unsigned char *key,
kadonotakashi 0:8fdf9a60065b 770 unsigned int keybits)
kadonotakashi 0:8fdf9a60065b 771 {
kadonotakashi 0:8fdf9a60065b 772 int ret;
kadonotakashi 0:8fdf9a60065b 773 const unsigned char *key1, *key2;
kadonotakashi 0:8fdf9a60065b 774 unsigned int key1bits, key2bits;
kadonotakashi 0:8fdf9a60065b 775
kadonotakashi 0:8fdf9a60065b 776 ret = mbedtls_aes_xts_decode_keys( key, keybits, &key1, &key1bits,
kadonotakashi 0:8fdf9a60065b 777 &key2, &key2bits );
kadonotakashi 0:8fdf9a60065b 778 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 779 return( ret );
kadonotakashi 0:8fdf9a60065b 780
kadonotakashi 0:8fdf9a60065b 781 /* Set the tweak key. Always set tweak key for encryption. */
kadonotakashi 0:8fdf9a60065b 782 ret = mbedtls_aes_setkey_enc( &ctx->tweak, key2, key2bits );
kadonotakashi 0:8fdf9a60065b 783 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 784 return( ret );
kadonotakashi 0:8fdf9a60065b 785
kadonotakashi 0:8fdf9a60065b 786 /* Set crypt key for decryption. */
kadonotakashi 0:8fdf9a60065b 787 return mbedtls_aes_setkey_dec( &ctx->crypt, key1, key1bits );
kadonotakashi 0:8fdf9a60065b 788 }
kadonotakashi 0:8fdf9a60065b 789 #endif /* MBEDTLS_CIPHER_MODE_XTS */
kadonotakashi 0:8fdf9a60065b 790
kadonotakashi 0:8fdf9a60065b 791 #endif /* !MBEDTLS_AES_SETKEY_DEC_ALT */
kadonotakashi 0:8fdf9a60065b 792
kadonotakashi 0:8fdf9a60065b 793 #define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
kadonotakashi 0:8fdf9a60065b 794 { \
kadonotakashi 0:8fdf9a60065b 795 X0 = *RK++ ^ AES_FT0( ( Y0 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 796 AES_FT1( ( Y1 >> 8 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 797 AES_FT2( ( Y2 >> 16 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 798 AES_FT3( ( Y3 >> 24 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 799 \
kadonotakashi 0:8fdf9a60065b 800 X1 = *RK++ ^ AES_FT0( ( Y1 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 801 AES_FT1( ( Y2 >> 8 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 802 AES_FT2( ( Y3 >> 16 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 803 AES_FT3( ( Y0 >> 24 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 804 \
kadonotakashi 0:8fdf9a60065b 805 X2 = *RK++ ^ AES_FT0( ( Y2 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 806 AES_FT1( ( Y3 >> 8 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 807 AES_FT2( ( Y0 >> 16 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 808 AES_FT3( ( Y1 >> 24 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 809 \
kadonotakashi 0:8fdf9a60065b 810 X3 = *RK++ ^ AES_FT0( ( Y3 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 811 AES_FT1( ( Y0 >> 8 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 812 AES_FT2( ( Y1 >> 16 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 813 AES_FT3( ( Y2 >> 24 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 814 }
kadonotakashi 0:8fdf9a60065b 815
kadonotakashi 0:8fdf9a60065b 816 #define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
kadonotakashi 0:8fdf9a60065b 817 { \
kadonotakashi 0:8fdf9a60065b 818 X0 = *RK++ ^ AES_RT0( ( Y0 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 819 AES_RT1( ( Y3 >> 8 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 820 AES_RT2( ( Y2 >> 16 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 821 AES_RT3( ( Y1 >> 24 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 822 \
kadonotakashi 0:8fdf9a60065b 823 X1 = *RK++ ^ AES_RT0( ( Y1 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 824 AES_RT1( ( Y0 >> 8 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 825 AES_RT2( ( Y3 >> 16 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 826 AES_RT3( ( Y2 >> 24 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 827 \
kadonotakashi 0:8fdf9a60065b 828 X2 = *RK++ ^ AES_RT0( ( Y2 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 829 AES_RT1( ( Y1 >> 8 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 830 AES_RT2( ( Y0 >> 16 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 831 AES_RT3( ( Y3 >> 24 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 832 \
kadonotakashi 0:8fdf9a60065b 833 X3 = *RK++ ^ AES_RT0( ( Y3 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 834 AES_RT1( ( Y2 >> 8 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 835 AES_RT2( ( Y1 >> 16 ) & 0xFF ) ^ \
kadonotakashi 0:8fdf9a60065b 836 AES_RT3( ( Y0 >> 24 ) & 0xFF ); \
kadonotakashi 0:8fdf9a60065b 837 }
kadonotakashi 0:8fdf9a60065b 838
kadonotakashi 0:8fdf9a60065b 839 /*
kadonotakashi 0:8fdf9a60065b 840 * AES-ECB block encryption
kadonotakashi 0:8fdf9a60065b 841 */
kadonotakashi 0:8fdf9a60065b 842 #if !defined(MBEDTLS_AES_ENCRYPT_ALT)
kadonotakashi 0:8fdf9a60065b 843 int mbedtls_internal_aes_encrypt( mbedtls_aes_context *ctx,
kadonotakashi 0:8fdf9a60065b 844 const unsigned char input[16],
kadonotakashi 0:8fdf9a60065b 845 unsigned char output[16] )
kadonotakashi 0:8fdf9a60065b 846 {
kadonotakashi 0:8fdf9a60065b 847 int i;
kadonotakashi 0:8fdf9a60065b 848 uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
kadonotakashi 0:8fdf9a60065b 849
kadonotakashi 0:8fdf9a60065b 850 RK = ctx->rk;
kadonotakashi 0:8fdf9a60065b 851
kadonotakashi 0:8fdf9a60065b 852 GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
kadonotakashi 0:8fdf9a60065b 853 GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
kadonotakashi 0:8fdf9a60065b 854 GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
kadonotakashi 0:8fdf9a60065b 855 GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
kadonotakashi 0:8fdf9a60065b 856
kadonotakashi 0:8fdf9a60065b 857 for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
kadonotakashi 0:8fdf9a60065b 858 {
kadonotakashi 0:8fdf9a60065b 859 AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
kadonotakashi 0:8fdf9a60065b 860 AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
kadonotakashi 0:8fdf9a60065b 861 }
kadonotakashi 0:8fdf9a60065b 862
kadonotakashi 0:8fdf9a60065b 863 AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
kadonotakashi 0:8fdf9a60065b 864
kadonotakashi 0:8fdf9a60065b 865 X0 = *RK++ ^ \
kadonotakashi 0:8fdf9a60065b 866 ( (uint32_t) FSb[ ( Y0 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 867 ( (uint32_t) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 868 ( (uint32_t) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 869 ( (uint32_t) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 870
kadonotakashi 0:8fdf9a60065b 871 X1 = *RK++ ^ \
kadonotakashi 0:8fdf9a60065b 872 ( (uint32_t) FSb[ ( Y1 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 873 ( (uint32_t) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 874 ( (uint32_t) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 875 ( (uint32_t) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 876
kadonotakashi 0:8fdf9a60065b 877 X2 = *RK++ ^ \
kadonotakashi 0:8fdf9a60065b 878 ( (uint32_t) FSb[ ( Y2 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 879 ( (uint32_t) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 880 ( (uint32_t) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 881 ( (uint32_t) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 882
kadonotakashi 0:8fdf9a60065b 883 X3 = *RK++ ^ \
kadonotakashi 0:8fdf9a60065b 884 ( (uint32_t) FSb[ ( Y3 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 885 ( (uint32_t) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 886 ( (uint32_t) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 887 ( (uint32_t) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 888
kadonotakashi 0:8fdf9a60065b 889 PUT_UINT32_LE( X0, output, 0 );
kadonotakashi 0:8fdf9a60065b 890 PUT_UINT32_LE( X1, output, 4 );
kadonotakashi 0:8fdf9a60065b 891 PUT_UINT32_LE( X2, output, 8 );
kadonotakashi 0:8fdf9a60065b 892 PUT_UINT32_LE( X3, output, 12 );
kadonotakashi 0:8fdf9a60065b 893
kadonotakashi 0:8fdf9a60065b 894 return( 0 );
kadonotakashi 0:8fdf9a60065b 895 }
kadonotakashi 0:8fdf9a60065b 896 #endif /* !MBEDTLS_AES_ENCRYPT_ALT */
kadonotakashi 0:8fdf9a60065b 897
kadonotakashi 0:8fdf9a60065b 898 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kadonotakashi 0:8fdf9a60065b 899 void mbedtls_aes_encrypt( mbedtls_aes_context *ctx,
kadonotakashi 0:8fdf9a60065b 900 const unsigned char input[16],
kadonotakashi 0:8fdf9a60065b 901 unsigned char output[16] )
kadonotakashi 0:8fdf9a60065b 902 {
kadonotakashi 0:8fdf9a60065b 903 mbedtls_internal_aes_encrypt( ctx, input, output );
kadonotakashi 0:8fdf9a60065b 904 }
kadonotakashi 0:8fdf9a60065b 905 #endif /* !MBEDTLS_DEPRECATED_REMOVED */
kadonotakashi 0:8fdf9a60065b 906
kadonotakashi 0:8fdf9a60065b 907 /*
kadonotakashi 0:8fdf9a60065b 908 * AES-ECB block decryption
kadonotakashi 0:8fdf9a60065b 909 */
kadonotakashi 0:8fdf9a60065b 910 #if !defined(MBEDTLS_AES_DECRYPT_ALT)
kadonotakashi 0:8fdf9a60065b 911 int mbedtls_internal_aes_decrypt( mbedtls_aes_context *ctx,
kadonotakashi 0:8fdf9a60065b 912 const unsigned char input[16],
kadonotakashi 0:8fdf9a60065b 913 unsigned char output[16] )
kadonotakashi 0:8fdf9a60065b 914 {
kadonotakashi 0:8fdf9a60065b 915 int i;
kadonotakashi 0:8fdf9a60065b 916 uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
kadonotakashi 0:8fdf9a60065b 917
kadonotakashi 0:8fdf9a60065b 918 RK = ctx->rk;
kadonotakashi 0:8fdf9a60065b 919
kadonotakashi 0:8fdf9a60065b 920 GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
kadonotakashi 0:8fdf9a60065b 921 GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
kadonotakashi 0:8fdf9a60065b 922 GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
kadonotakashi 0:8fdf9a60065b 923 GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
kadonotakashi 0:8fdf9a60065b 924
kadonotakashi 0:8fdf9a60065b 925 for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
kadonotakashi 0:8fdf9a60065b 926 {
kadonotakashi 0:8fdf9a60065b 927 AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
kadonotakashi 0:8fdf9a60065b 928 AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
kadonotakashi 0:8fdf9a60065b 929 }
kadonotakashi 0:8fdf9a60065b 930
kadonotakashi 0:8fdf9a60065b 931 AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
kadonotakashi 0:8fdf9a60065b 932
kadonotakashi 0:8fdf9a60065b 933 X0 = *RK++ ^ \
kadonotakashi 0:8fdf9a60065b 934 ( (uint32_t) RSb[ ( Y0 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 935 ( (uint32_t) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 936 ( (uint32_t) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 937 ( (uint32_t) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 938
kadonotakashi 0:8fdf9a60065b 939 X1 = *RK++ ^ \
kadonotakashi 0:8fdf9a60065b 940 ( (uint32_t) RSb[ ( Y1 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 941 ( (uint32_t) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 942 ( (uint32_t) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 943 ( (uint32_t) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 944
kadonotakashi 0:8fdf9a60065b 945 X2 = *RK++ ^ \
kadonotakashi 0:8fdf9a60065b 946 ( (uint32_t) RSb[ ( Y2 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 947 ( (uint32_t) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 948 ( (uint32_t) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 949 ( (uint32_t) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 950
kadonotakashi 0:8fdf9a60065b 951 X3 = *RK++ ^ \
kadonotakashi 0:8fdf9a60065b 952 ( (uint32_t) RSb[ ( Y3 ) & 0xFF ] ) ^
kadonotakashi 0:8fdf9a60065b 953 ( (uint32_t) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
kadonotakashi 0:8fdf9a60065b 954 ( (uint32_t) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
kadonotakashi 0:8fdf9a60065b 955 ( (uint32_t) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
kadonotakashi 0:8fdf9a60065b 956
kadonotakashi 0:8fdf9a60065b 957 PUT_UINT32_LE( X0, output, 0 );
kadonotakashi 0:8fdf9a60065b 958 PUT_UINT32_LE( X1, output, 4 );
kadonotakashi 0:8fdf9a60065b 959 PUT_UINT32_LE( X2, output, 8 );
kadonotakashi 0:8fdf9a60065b 960 PUT_UINT32_LE( X3, output, 12 );
kadonotakashi 0:8fdf9a60065b 961
kadonotakashi 0:8fdf9a60065b 962 return( 0 );
kadonotakashi 0:8fdf9a60065b 963 }
kadonotakashi 0:8fdf9a60065b 964 #endif /* !MBEDTLS_AES_DECRYPT_ALT */
kadonotakashi 0:8fdf9a60065b 965
kadonotakashi 0:8fdf9a60065b 966 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kadonotakashi 0:8fdf9a60065b 967 void mbedtls_aes_decrypt( mbedtls_aes_context *ctx,
kadonotakashi 0:8fdf9a60065b 968 const unsigned char input[16],
kadonotakashi 0:8fdf9a60065b 969 unsigned char output[16] )
kadonotakashi 0:8fdf9a60065b 970 {
kadonotakashi 0:8fdf9a60065b 971 mbedtls_internal_aes_decrypt( ctx, input, output );
kadonotakashi 0:8fdf9a60065b 972 }
kadonotakashi 0:8fdf9a60065b 973 #endif /* !MBEDTLS_DEPRECATED_REMOVED */
kadonotakashi 0:8fdf9a60065b 974
kadonotakashi 0:8fdf9a60065b 975 /*
kadonotakashi 0:8fdf9a60065b 976 * AES-ECB block encryption/decryption
kadonotakashi 0:8fdf9a60065b 977 */
kadonotakashi 0:8fdf9a60065b 978 int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
kadonotakashi 0:8fdf9a60065b 979 int mode,
kadonotakashi 0:8fdf9a60065b 980 const unsigned char input[16],
kadonotakashi 0:8fdf9a60065b 981 unsigned char output[16] )
kadonotakashi 0:8fdf9a60065b 982 {
kadonotakashi 0:8fdf9a60065b 983 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
kadonotakashi 0:8fdf9a60065b 984 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
kadonotakashi 0:8fdf9a60065b 985 return( mbedtls_aesni_crypt_ecb( ctx, mode, input, output ) );
kadonotakashi 0:8fdf9a60065b 986 #endif
kadonotakashi 0:8fdf9a60065b 987
kadonotakashi 0:8fdf9a60065b 988 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
kadonotakashi 0:8fdf9a60065b 989 if( aes_padlock_ace )
kadonotakashi 0:8fdf9a60065b 990 {
kadonotakashi 0:8fdf9a60065b 991 if( mbedtls_padlock_xcryptecb( ctx, mode, input, output ) == 0 )
kadonotakashi 0:8fdf9a60065b 992 return( 0 );
kadonotakashi 0:8fdf9a60065b 993
kadonotakashi 0:8fdf9a60065b 994 // If padlock data misaligned, we just fall back to
kadonotakashi 0:8fdf9a60065b 995 // unaccelerated mode
kadonotakashi 0:8fdf9a60065b 996 //
kadonotakashi 0:8fdf9a60065b 997 }
kadonotakashi 0:8fdf9a60065b 998 #endif
kadonotakashi 0:8fdf9a60065b 999
kadonotakashi 0:8fdf9a60065b 1000 if( mode == MBEDTLS_AES_ENCRYPT )
kadonotakashi 0:8fdf9a60065b 1001 return( mbedtls_internal_aes_encrypt( ctx, input, output ) );
kadonotakashi 0:8fdf9a60065b 1002 else
kadonotakashi 0:8fdf9a60065b 1003 return( mbedtls_internal_aes_decrypt( ctx, input, output ) );
kadonotakashi 0:8fdf9a60065b 1004 }
kadonotakashi 0:8fdf9a60065b 1005
kadonotakashi 0:8fdf9a60065b 1006 #if defined(MBEDTLS_CIPHER_MODE_CBC)
kadonotakashi 0:8fdf9a60065b 1007 /*
kadonotakashi 0:8fdf9a60065b 1008 * AES-CBC buffer encryption/decryption
kadonotakashi 0:8fdf9a60065b 1009 */
kadonotakashi 0:8fdf9a60065b 1010 int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
kadonotakashi 0:8fdf9a60065b 1011 int mode,
kadonotakashi 0:8fdf9a60065b 1012 size_t length,
kadonotakashi 0:8fdf9a60065b 1013 unsigned char iv[16],
kadonotakashi 0:8fdf9a60065b 1014 const unsigned char *input,
kadonotakashi 0:8fdf9a60065b 1015 unsigned char *output )
kadonotakashi 0:8fdf9a60065b 1016 {
kadonotakashi 0:8fdf9a60065b 1017 int i;
kadonotakashi 0:8fdf9a60065b 1018 unsigned char temp[16];
kadonotakashi 0:8fdf9a60065b 1019
kadonotakashi 0:8fdf9a60065b 1020 if( length % 16 )
kadonotakashi 0:8fdf9a60065b 1021 return( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
kadonotakashi 0:8fdf9a60065b 1022
kadonotakashi 0:8fdf9a60065b 1023 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
kadonotakashi 0:8fdf9a60065b 1024 if( aes_padlock_ace )
kadonotakashi 0:8fdf9a60065b 1025 {
kadonotakashi 0:8fdf9a60065b 1026 if( mbedtls_padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 )
kadonotakashi 0:8fdf9a60065b 1027 return( 0 );
kadonotakashi 0:8fdf9a60065b 1028
kadonotakashi 0:8fdf9a60065b 1029 // If padlock data misaligned, we just fall back to
kadonotakashi 0:8fdf9a60065b 1030 // unaccelerated mode
kadonotakashi 0:8fdf9a60065b 1031 //
kadonotakashi 0:8fdf9a60065b 1032 }
kadonotakashi 0:8fdf9a60065b 1033 #endif
kadonotakashi 0:8fdf9a60065b 1034
kadonotakashi 0:8fdf9a60065b 1035 if( mode == MBEDTLS_AES_DECRYPT )
kadonotakashi 0:8fdf9a60065b 1036 {
kadonotakashi 0:8fdf9a60065b 1037 while( length > 0 )
kadonotakashi 0:8fdf9a60065b 1038 {
kadonotakashi 0:8fdf9a60065b 1039 memcpy( temp, input, 16 );
kadonotakashi 0:8fdf9a60065b 1040 mbedtls_aes_crypt_ecb( ctx, mode, input, output );
kadonotakashi 0:8fdf9a60065b 1041
kadonotakashi 0:8fdf9a60065b 1042 for( i = 0; i < 16; i++ )
kadonotakashi 0:8fdf9a60065b 1043 output[i] = (unsigned char)( output[i] ^ iv[i] );
kadonotakashi 0:8fdf9a60065b 1044
kadonotakashi 0:8fdf9a60065b 1045 memcpy( iv, temp, 16 );
kadonotakashi 0:8fdf9a60065b 1046
kadonotakashi 0:8fdf9a60065b 1047 input += 16;
kadonotakashi 0:8fdf9a60065b 1048 output += 16;
kadonotakashi 0:8fdf9a60065b 1049 length -= 16;
kadonotakashi 0:8fdf9a60065b 1050 }
kadonotakashi 0:8fdf9a60065b 1051 }
kadonotakashi 0:8fdf9a60065b 1052 else
kadonotakashi 0:8fdf9a60065b 1053 {
kadonotakashi 0:8fdf9a60065b 1054 while( length > 0 )
kadonotakashi 0:8fdf9a60065b 1055 {
kadonotakashi 0:8fdf9a60065b 1056 for( i = 0; i < 16; i++ )
kadonotakashi 0:8fdf9a60065b 1057 output[i] = (unsigned char)( input[i] ^ iv[i] );
kadonotakashi 0:8fdf9a60065b 1058
kadonotakashi 0:8fdf9a60065b 1059 mbedtls_aes_crypt_ecb( ctx, mode, output, output );
kadonotakashi 0:8fdf9a60065b 1060 memcpy( iv, output, 16 );
kadonotakashi 0:8fdf9a60065b 1061
kadonotakashi 0:8fdf9a60065b 1062 input += 16;
kadonotakashi 0:8fdf9a60065b 1063 output += 16;
kadonotakashi 0:8fdf9a60065b 1064 length -= 16;
kadonotakashi 0:8fdf9a60065b 1065 }
kadonotakashi 0:8fdf9a60065b 1066 }
kadonotakashi 0:8fdf9a60065b 1067
kadonotakashi 0:8fdf9a60065b 1068 return( 0 );
kadonotakashi 0:8fdf9a60065b 1069 }
kadonotakashi 0:8fdf9a60065b 1070 #endif /* MBEDTLS_CIPHER_MODE_CBC */
kadonotakashi 0:8fdf9a60065b 1071
kadonotakashi 0:8fdf9a60065b 1072 #if defined(MBEDTLS_CIPHER_MODE_XTS)
kadonotakashi 0:8fdf9a60065b 1073
kadonotakashi 0:8fdf9a60065b 1074 /* Endianess with 64 bits values */
kadonotakashi 0:8fdf9a60065b 1075 #ifndef GET_UINT64_LE
kadonotakashi 0:8fdf9a60065b 1076 #define GET_UINT64_LE(n,b,i) \
kadonotakashi 0:8fdf9a60065b 1077 { \
kadonotakashi 0:8fdf9a60065b 1078 (n) = ( (uint64_t) (b)[(i) + 7] << 56 ) \
kadonotakashi 0:8fdf9a60065b 1079 | ( (uint64_t) (b)[(i) + 6] << 48 ) \
kadonotakashi 0:8fdf9a60065b 1080 | ( (uint64_t) (b)[(i) + 5] << 40 ) \
kadonotakashi 0:8fdf9a60065b 1081 | ( (uint64_t) (b)[(i) + 4] << 32 ) \
kadonotakashi 0:8fdf9a60065b 1082 | ( (uint64_t) (b)[(i) + 3] << 24 ) \
kadonotakashi 0:8fdf9a60065b 1083 | ( (uint64_t) (b)[(i) + 2] << 16 ) \
kadonotakashi 0:8fdf9a60065b 1084 | ( (uint64_t) (b)[(i) + 1] << 8 ) \
kadonotakashi 0:8fdf9a60065b 1085 | ( (uint64_t) (b)[(i) ] ); \
kadonotakashi 0:8fdf9a60065b 1086 }
kadonotakashi 0:8fdf9a60065b 1087 #endif
kadonotakashi 0:8fdf9a60065b 1088
kadonotakashi 0:8fdf9a60065b 1089 #ifndef PUT_UINT64_LE
kadonotakashi 0:8fdf9a60065b 1090 #define PUT_UINT64_LE(n,b,i) \
kadonotakashi 0:8fdf9a60065b 1091 { \
kadonotakashi 0:8fdf9a60065b 1092 (b)[(i) + 7] = (unsigned char) ( (n) >> 56 ); \
kadonotakashi 0:8fdf9a60065b 1093 (b)[(i) + 6] = (unsigned char) ( (n) >> 48 ); \
kadonotakashi 0:8fdf9a60065b 1094 (b)[(i) + 5] = (unsigned char) ( (n) >> 40 ); \
kadonotakashi 0:8fdf9a60065b 1095 (b)[(i) + 4] = (unsigned char) ( (n) >> 32 ); \
kadonotakashi 0:8fdf9a60065b 1096 (b)[(i) + 3] = (unsigned char) ( (n) >> 24 ); \
kadonotakashi 0:8fdf9a60065b 1097 (b)[(i) + 2] = (unsigned char) ( (n) >> 16 ); \
kadonotakashi 0:8fdf9a60065b 1098 (b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \
kadonotakashi 0:8fdf9a60065b 1099 (b)[(i) ] = (unsigned char) ( (n) ); \
kadonotakashi 0:8fdf9a60065b 1100 }
kadonotakashi 0:8fdf9a60065b 1101 #endif
kadonotakashi 0:8fdf9a60065b 1102
kadonotakashi 0:8fdf9a60065b 1103 typedef unsigned char mbedtls_be128[16];
kadonotakashi 0:8fdf9a60065b 1104
kadonotakashi 0:8fdf9a60065b 1105 /*
kadonotakashi 0:8fdf9a60065b 1106 * GF(2^128) multiplication function
kadonotakashi 0:8fdf9a60065b 1107 *
kadonotakashi 0:8fdf9a60065b 1108 * This function multiplies a field element by x in the polynomial field
kadonotakashi 0:8fdf9a60065b 1109 * representation. It uses 64-bit word operations to gain speed but compensates
kadonotakashi 0:8fdf9a60065b 1110 * for machine endianess and hence works correctly on both big and little
kadonotakashi 0:8fdf9a60065b 1111 * endian machines.
kadonotakashi 0:8fdf9a60065b 1112 */
kadonotakashi 0:8fdf9a60065b 1113 static void mbedtls_gf128mul_x_ble( unsigned char r[16],
kadonotakashi 0:8fdf9a60065b 1114 const unsigned char x[16] )
kadonotakashi 0:8fdf9a60065b 1115 {
kadonotakashi 0:8fdf9a60065b 1116 uint64_t a, b, ra, rb;
kadonotakashi 0:8fdf9a60065b 1117
kadonotakashi 0:8fdf9a60065b 1118 GET_UINT64_LE( a, x, 0 );
kadonotakashi 0:8fdf9a60065b 1119 GET_UINT64_LE( b, x, 8 );
kadonotakashi 0:8fdf9a60065b 1120
kadonotakashi 0:8fdf9a60065b 1121 ra = ( a << 1 ) ^ 0x0087 >> ( 8 - ( ( b >> 63 ) << 3 ) );
kadonotakashi 0:8fdf9a60065b 1122 rb = ( a >> 63 ) | ( b << 1 );
kadonotakashi 0:8fdf9a60065b 1123
kadonotakashi 0:8fdf9a60065b 1124 PUT_UINT64_LE( ra, r, 0 );
kadonotakashi 0:8fdf9a60065b 1125 PUT_UINT64_LE( rb, r, 8 );
kadonotakashi 0:8fdf9a60065b 1126 }
kadonotakashi 0:8fdf9a60065b 1127
kadonotakashi 0:8fdf9a60065b 1128 /*
kadonotakashi 0:8fdf9a60065b 1129 * AES-XTS buffer encryption/decryption
kadonotakashi 0:8fdf9a60065b 1130 */
kadonotakashi 0:8fdf9a60065b 1131 int mbedtls_aes_crypt_xts( mbedtls_aes_xts_context *ctx,
kadonotakashi 0:8fdf9a60065b 1132 int mode,
kadonotakashi 0:8fdf9a60065b 1133 size_t length,
kadonotakashi 0:8fdf9a60065b 1134 const unsigned char data_unit[16],
kadonotakashi 0:8fdf9a60065b 1135 const unsigned char *input,
kadonotakashi 0:8fdf9a60065b 1136 unsigned char *output )
kadonotakashi 0:8fdf9a60065b 1137 {
kadonotakashi 0:8fdf9a60065b 1138 int ret;
kadonotakashi 0:8fdf9a60065b 1139 size_t blocks = length / 16;
kadonotakashi 0:8fdf9a60065b 1140 size_t leftover = length % 16;
kadonotakashi 0:8fdf9a60065b 1141 unsigned char tweak[16];
kadonotakashi 0:8fdf9a60065b 1142 unsigned char prev_tweak[16];
kadonotakashi 0:8fdf9a60065b 1143 unsigned char tmp[16];
kadonotakashi 0:8fdf9a60065b 1144
kadonotakashi 0:8fdf9a60065b 1145 /* Sectors must be at least 16 bytes. */
kadonotakashi 0:8fdf9a60065b 1146 if( length < 16 )
kadonotakashi 0:8fdf9a60065b 1147 return MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH;
kadonotakashi 0:8fdf9a60065b 1148
kadonotakashi 0:8fdf9a60065b 1149 /* NIST SP 80-38E disallows data units larger than 2**20 blocks. */
kadonotakashi 0:8fdf9a60065b 1150 if( length > ( 1 << 20 ) * 16 )
kadonotakashi 0:8fdf9a60065b 1151 return MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH;
kadonotakashi 0:8fdf9a60065b 1152
kadonotakashi 0:8fdf9a60065b 1153 /* Compute the tweak. */
kadonotakashi 0:8fdf9a60065b 1154 ret = mbedtls_aes_crypt_ecb( &ctx->tweak, MBEDTLS_AES_ENCRYPT,
kadonotakashi 0:8fdf9a60065b 1155 data_unit, tweak );
kadonotakashi 0:8fdf9a60065b 1156 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1157 return( ret );
kadonotakashi 0:8fdf9a60065b 1158
kadonotakashi 0:8fdf9a60065b 1159 while( blocks-- )
kadonotakashi 0:8fdf9a60065b 1160 {
kadonotakashi 0:8fdf9a60065b 1161 size_t i;
kadonotakashi 0:8fdf9a60065b 1162
kadonotakashi 0:8fdf9a60065b 1163 if( leftover && ( mode == MBEDTLS_AES_DECRYPT ) && blocks == 0 )
kadonotakashi 0:8fdf9a60065b 1164 {
kadonotakashi 0:8fdf9a60065b 1165 /* We are on the last block in a decrypt operation that has
kadonotakashi 0:8fdf9a60065b 1166 * leftover bytes, so we need to use the next tweak for this block,
kadonotakashi 0:8fdf9a60065b 1167 * and this tweak for the lefover bytes. Save the current tweak for
kadonotakashi 0:8fdf9a60065b 1168 * the leftovers and then update the current tweak for use on this,
kadonotakashi 0:8fdf9a60065b 1169 * the last full block. */
kadonotakashi 0:8fdf9a60065b 1170 memcpy( prev_tweak, tweak, sizeof( tweak ) );
kadonotakashi 0:8fdf9a60065b 1171 mbedtls_gf128mul_x_ble( tweak, tweak );
kadonotakashi 0:8fdf9a60065b 1172 }
kadonotakashi 0:8fdf9a60065b 1173
kadonotakashi 0:8fdf9a60065b 1174 for( i = 0; i < 16; i++ )
kadonotakashi 0:8fdf9a60065b 1175 tmp[i] = input[i] ^ tweak[i];
kadonotakashi 0:8fdf9a60065b 1176
kadonotakashi 0:8fdf9a60065b 1177 ret = mbedtls_aes_crypt_ecb( &ctx->crypt, mode, tmp, tmp );
kadonotakashi 0:8fdf9a60065b 1178 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1179 return( ret );
kadonotakashi 0:8fdf9a60065b 1180
kadonotakashi 0:8fdf9a60065b 1181 for( i = 0; i < 16; i++ )
kadonotakashi 0:8fdf9a60065b 1182 output[i] = tmp[i] ^ tweak[i];
kadonotakashi 0:8fdf9a60065b 1183
kadonotakashi 0:8fdf9a60065b 1184 /* Update the tweak for the next block. */
kadonotakashi 0:8fdf9a60065b 1185 mbedtls_gf128mul_x_ble( tweak, tweak );
kadonotakashi 0:8fdf9a60065b 1186
kadonotakashi 0:8fdf9a60065b 1187 output += 16;
kadonotakashi 0:8fdf9a60065b 1188 input += 16;
kadonotakashi 0:8fdf9a60065b 1189 }
kadonotakashi 0:8fdf9a60065b 1190
kadonotakashi 0:8fdf9a60065b 1191 if( leftover )
kadonotakashi 0:8fdf9a60065b 1192 {
kadonotakashi 0:8fdf9a60065b 1193 /* If we are on the leftover bytes in a decrypt operation, we need to
kadonotakashi 0:8fdf9a60065b 1194 * use the previous tweak for these bytes (as saved in prev_tweak). */
kadonotakashi 0:8fdf9a60065b 1195 unsigned char *t = mode == MBEDTLS_AES_DECRYPT ? prev_tweak : tweak;
kadonotakashi 0:8fdf9a60065b 1196
kadonotakashi 0:8fdf9a60065b 1197 /* We are now on the final part of the data unit, which doesn't divide
kadonotakashi 0:8fdf9a60065b 1198 * evenly by 16. It's time for ciphertext stealing. */
kadonotakashi 0:8fdf9a60065b 1199 size_t i;
kadonotakashi 0:8fdf9a60065b 1200 unsigned char *prev_output = output - 16;
kadonotakashi 0:8fdf9a60065b 1201
kadonotakashi 0:8fdf9a60065b 1202 /* Copy ciphertext bytes from the previous block to our output for each
kadonotakashi 0:8fdf9a60065b 1203 * byte of cyphertext we won't steal. At the same time, copy the
kadonotakashi 0:8fdf9a60065b 1204 * remainder of the input for this final round (since the loop bounds
kadonotakashi 0:8fdf9a60065b 1205 * are the same). */
kadonotakashi 0:8fdf9a60065b 1206 for( i = 0; i < leftover; i++ )
kadonotakashi 0:8fdf9a60065b 1207 {
kadonotakashi 0:8fdf9a60065b 1208 output[i] = prev_output[i];
kadonotakashi 0:8fdf9a60065b 1209 tmp[i] = input[i] ^ t[i];
kadonotakashi 0:8fdf9a60065b 1210 }
kadonotakashi 0:8fdf9a60065b 1211
kadonotakashi 0:8fdf9a60065b 1212 /* Copy ciphertext bytes from the previous block for input in this
kadonotakashi 0:8fdf9a60065b 1213 * round. */
kadonotakashi 0:8fdf9a60065b 1214 for( ; i < 16; i++ )
kadonotakashi 0:8fdf9a60065b 1215 tmp[i] = prev_output[i] ^ t[i];
kadonotakashi 0:8fdf9a60065b 1216
kadonotakashi 0:8fdf9a60065b 1217 ret = mbedtls_aes_crypt_ecb( &ctx->crypt, mode, tmp, tmp );
kadonotakashi 0:8fdf9a60065b 1218 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1219 return ret;
kadonotakashi 0:8fdf9a60065b 1220
kadonotakashi 0:8fdf9a60065b 1221 /* Write the result back to the previous block, overriding the previous
kadonotakashi 0:8fdf9a60065b 1222 * output we copied. */
kadonotakashi 0:8fdf9a60065b 1223 for( i = 0; i < 16; i++ )
kadonotakashi 0:8fdf9a60065b 1224 prev_output[i] = tmp[i] ^ t[i];
kadonotakashi 0:8fdf9a60065b 1225 }
kadonotakashi 0:8fdf9a60065b 1226
kadonotakashi 0:8fdf9a60065b 1227 return( 0 );
kadonotakashi 0:8fdf9a60065b 1228 }
kadonotakashi 0:8fdf9a60065b 1229 #endif /* MBEDTLS_CIPHER_MODE_XTS */
kadonotakashi 0:8fdf9a60065b 1230
kadonotakashi 0:8fdf9a60065b 1231 #if defined(MBEDTLS_CIPHER_MODE_CFB)
kadonotakashi 0:8fdf9a60065b 1232 /*
kadonotakashi 0:8fdf9a60065b 1233 * AES-CFB128 buffer encryption/decryption
kadonotakashi 0:8fdf9a60065b 1234 */
kadonotakashi 0:8fdf9a60065b 1235 int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
kadonotakashi 0:8fdf9a60065b 1236 int mode,
kadonotakashi 0:8fdf9a60065b 1237 size_t length,
kadonotakashi 0:8fdf9a60065b 1238 size_t *iv_off,
kadonotakashi 0:8fdf9a60065b 1239 unsigned char iv[16],
kadonotakashi 0:8fdf9a60065b 1240 const unsigned char *input,
kadonotakashi 0:8fdf9a60065b 1241 unsigned char *output )
kadonotakashi 0:8fdf9a60065b 1242 {
kadonotakashi 0:8fdf9a60065b 1243 int c;
kadonotakashi 0:8fdf9a60065b 1244 size_t n = *iv_off;
kadonotakashi 0:8fdf9a60065b 1245
kadonotakashi 0:8fdf9a60065b 1246 if( mode == MBEDTLS_AES_DECRYPT )
kadonotakashi 0:8fdf9a60065b 1247 {
kadonotakashi 0:8fdf9a60065b 1248 while( length-- )
kadonotakashi 0:8fdf9a60065b 1249 {
kadonotakashi 0:8fdf9a60065b 1250 if( n == 0 )
kadonotakashi 0:8fdf9a60065b 1251 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
kadonotakashi 0:8fdf9a60065b 1252
kadonotakashi 0:8fdf9a60065b 1253 c = *input++;
kadonotakashi 0:8fdf9a60065b 1254 *output++ = (unsigned char)( c ^ iv[n] );
kadonotakashi 0:8fdf9a60065b 1255 iv[n] = (unsigned char) c;
kadonotakashi 0:8fdf9a60065b 1256
kadonotakashi 0:8fdf9a60065b 1257 n = ( n + 1 ) & 0x0F;
kadonotakashi 0:8fdf9a60065b 1258 }
kadonotakashi 0:8fdf9a60065b 1259 }
kadonotakashi 0:8fdf9a60065b 1260 else
kadonotakashi 0:8fdf9a60065b 1261 {
kadonotakashi 0:8fdf9a60065b 1262 while( length-- )
kadonotakashi 0:8fdf9a60065b 1263 {
kadonotakashi 0:8fdf9a60065b 1264 if( n == 0 )
kadonotakashi 0:8fdf9a60065b 1265 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
kadonotakashi 0:8fdf9a60065b 1266
kadonotakashi 0:8fdf9a60065b 1267 iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
kadonotakashi 0:8fdf9a60065b 1268
kadonotakashi 0:8fdf9a60065b 1269 n = ( n + 1 ) & 0x0F;
kadonotakashi 0:8fdf9a60065b 1270 }
kadonotakashi 0:8fdf9a60065b 1271 }
kadonotakashi 0:8fdf9a60065b 1272
kadonotakashi 0:8fdf9a60065b 1273 *iv_off = n;
kadonotakashi 0:8fdf9a60065b 1274
kadonotakashi 0:8fdf9a60065b 1275 return( 0 );
kadonotakashi 0:8fdf9a60065b 1276 }
kadonotakashi 0:8fdf9a60065b 1277
kadonotakashi 0:8fdf9a60065b 1278 /*
kadonotakashi 0:8fdf9a60065b 1279 * AES-CFB8 buffer encryption/decryption
kadonotakashi 0:8fdf9a60065b 1280 */
kadonotakashi 0:8fdf9a60065b 1281 int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx,
kadonotakashi 0:8fdf9a60065b 1282 int mode,
kadonotakashi 0:8fdf9a60065b 1283 size_t length,
kadonotakashi 0:8fdf9a60065b 1284 unsigned char iv[16],
kadonotakashi 0:8fdf9a60065b 1285 const unsigned char *input,
kadonotakashi 0:8fdf9a60065b 1286 unsigned char *output )
kadonotakashi 0:8fdf9a60065b 1287 {
kadonotakashi 0:8fdf9a60065b 1288 unsigned char c;
kadonotakashi 0:8fdf9a60065b 1289 unsigned char ov[17];
kadonotakashi 0:8fdf9a60065b 1290
kadonotakashi 0:8fdf9a60065b 1291 while( length-- )
kadonotakashi 0:8fdf9a60065b 1292 {
kadonotakashi 0:8fdf9a60065b 1293 memcpy( ov, iv, 16 );
kadonotakashi 0:8fdf9a60065b 1294 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
kadonotakashi 0:8fdf9a60065b 1295
kadonotakashi 0:8fdf9a60065b 1296 if( mode == MBEDTLS_AES_DECRYPT )
kadonotakashi 0:8fdf9a60065b 1297 ov[16] = *input;
kadonotakashi 0:8fdf9a60065b 1298
kadonotakashi 0:8fdf9a60065b 1299 c = *output++ = (unsigned char)( iv[0] ^ *input++ );
kadonotakashi 0:8fdf9a60065b 1300
kadonotakashi 0:8fdf9a60065b 1301 if( mode == MBEDTLS_AES_ENCRYPT )
kadonotakashi 0:8fdf9a60065b 1302 ov[16] = c;
kadonotakashi 0:8fdf9a60065b 1303
kadonotakashi 0:8fdf9a60065b 1304 memcpy( iv, ov + 1, 16 );
kadonotakashi 0:8fdf9a60065b 1305 }
kadonotakashi 0:8fdf9a60065b 1306
kadonotakashi 0:8fdf9a60065b 1307 return( 0 );
kadonotakashi 0:8fdf9a60065b 1308 }
kadonotakashi 0:8fdf9a60065b 1309 #endif /* MBEDTLS_CIPHER_MODE_CFB */
kadonotakashi 0:8fdf9a60065b 1310
kadonotakashi 0:8fdf9a60065b 1311 #if defined(MBEDTLS_CIPHER_MODE_OFB)
kadonotakashi 0:8fdf9a60065b 1312 /*
kadonotakashi 0:8fdf9a60065b 1313 * AES-OFB (Output Feedback Mode) buffer encryption/decryption
kadonotakashi 0:8fdf9a60065b 1314 */
kadonotakashi 0:8fdf9a60065b 1315 int mbedtls_aes_crypt_ofb( mbedtls_aes_context *ctx,
kadonotakashi 0:8fdf9a60065b 1316 size_t length,
kadonotakashi 0:8fdf9a60065b 1317 size_t *iv_off,
kadonotakashi 0:8fdf9a60065b 1318 unsigned char iv[16],
kadonotakashi 0:8fdf9a60065b 1319 const unsigned char *input,
kadonotakashi 0:8fdf9a60065b 1320 unsigned char *output )
kadonotakashi 0:8fdf9a60065b 1321 {
kadonotakashi 0:8fdf9a60065b 1322 int ret = 0;
kadonotakashi 0:8fdf9a60065b 1323 size_t n = *iv_off;
kadonotakashi 0:8fdf9a60065b 1324
kadonotakashi 0:8fdf9a60065b 1325 while( length-- )
kadonotakashi 0:8fdf9a60065b 1326 {
kadonotakashi 0:8fdf9a60065b 1327 if( n == 0 )
kadonotakashi 0:8fdf9a60065b 1328 {
kadonotakashi 0:8fdf9a60065b 1329 ret = mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
kadonotakashi 0:8fdf9a60065b 1330 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1331 goto exit;
kadonotakashi 0:8fdf9a60065b 1332 }
kadonotakashi 0:8fdf9a60065b 1333 *output++ = *input++ ^ iv[n];
kadonotakashi 0:8fdf9a60065b 1334
kadonotakashi 0:8fdf9a60065b 1335 n = ( n + 1 ) & 0x0F;
kadonotakashi 0:8fdf9a60065b 1336 }
kadonotakashi 0:8fdf9a60065b 1337
kadonotakashi 0:8fdf9a60065b 1338 *iv_off = n;
kadonotakashi 0:8fdf9a60065b 1339
kadonotakashi 0:8fdf9a60065b 1340 exit:
kadonotakashi 0:8fdf9a60065b 1341 return( ret );
kadonotakashi 0:8fdf9a60065b 1342 }
kadonotakashi 0:8fdf9a60065b 1343 #endif /* MBEDTLS_CIPHER_MODE_OFB */
kadonotakashi 0:8fdf9a60065b 1344
kadonotakashi 0:8fdf9a60065b 1345 #if defined(MBEDTLS_CIPHER_MODE_CTR)
kadonotakashi 0:8fdf9a60065b 1346 /*
kadonotakashi 0:8fdf9a60065b 1347 * AES-CTR buffer encryption/decryption
kadonotakashi 0:8fdf9a60065b 1348 */
kadonotakashi 0:8fdf9a60065b 1349 int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx,
kadonotakashi 0:8fdf9a60065b 1350 size_t length,
kadonotakashi 0:8fdf9a60065b 1351 size_t *nc_off,
kadonotakashi 0:8fdf9a60065b 1352 unsigned char nonce_counter[16],
kadonotakashi 0:8fdf9a60065b 1353 unsigned char stream_block[16],
kadonotakashi 0:8fdf9a60065b 1354 const unsigned char *input,
kadonotakashi 0:8fdf9a60065b 1355 unsigned char *output )
kadonotakashi 0:8fdf9a60065b 1356 {
kadonotakashi 0:8fdf9a60065b 1357 int c, i;
kadonotakashi 0:8fdf9a60065b 1358 size_t n = *nc_off;
kadonotakashi 0:8fdf9a60065b 1359
kadonotakashi 0:8fdf9a60065b 1360 if ( n > 0x0F )
kadonotakashi 0:8fdf9a60065b 1361 return( MBEDTLS_ERR_AES_BAD_INPUT_DATA );
kadonotakashi 0:8fdf9a60065b 1362
kadonotakashi 0:8fdf9a60065b 1363 while( length-- )
kadonotakashi 0:8fdf9a60065b 1364 {
kadonotakashi 0:8fdf9a60065b 1365 if( n == 0 ) {
kadonotakashi 0:8fdf9a60065b 1366 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, nonce_counter, stream_block );
kadonotakashi 0:8fdf9a60065b 1367
kadonotakashi 0:8fdf9a60065b 1368 for( i = 16; i > 0; i-- )
kadonotakashi 0:8fdf9a60065b 1369 if( ++nonce_counter[i - 1] != 0 )
kadonotakashi 0:8fdf9a60065b 1370 break;
kadonotakashi 0:8fdf9a60065b 1371 }
kadonotakashi 0:8fdf9a60065b 1372 c = *input++;
kadonotakashi 0:8fdf9a60065b 1373 *output++ = (unsigned char)( c ^ stream_block[n] );
kadonotakashi 0:8fdf9a60065b 1374
kadonotakashi 0:8fdf9a60065b 1375 n = ( n + 1 ) & 0x0F;
kadonotakashi 0:8fdf9a60065b 1376 }
kadonotakashi 0:8fdf9a60065b 1377
kadonotakashi 0:8fdf9a60065b 1378 *nc_off = n;
kadonotakashi 0:8fdf9a60065b 1379
kadonotakashi 0:8fdf9a60065b 1380 return( 0 );
kadonotakashi 0:8fdf9a60065b 1381 }
kadonotakashi 0:8fdf9a60065b 1382 #endif /* MBEDTLS_CIPHER_MODE_CTR */
kadonotakashi 0:8fdf9a60065b 1383
kadonotakashi 0:8fdf9a60065b 1384 #endif /* !MBEDTLS_AES_ALT */
kadonotakashi 0:8fdf9a60065b 1385
kadonotakashi 0:8fdf9a60065b 1386 #if defined(MBEDTLS_SELF_TEST)
kadonotakashi 0:8fdf9a60065b 1387 /*
kadonotakashi 0:8fdf9a60065b 1388 * AES test vectors from:
kadonotakashi 0:8fdf9a60065b 1389 *
kadonotakashi 0:8fdf9a60065b 1390 * http://csrc.nist.gov/archive/aes/rijndael/rijndael-vals.zip
kadonotakashi 0:8fdf9a60065b 1391 */
kadonotakashi 0:8fdf9a60065b 1392 static const unsigned char aes_test_ecb_dec[3][16] =
kadonotakashi 0:8fdf9a60065b 1393 {
kadonotakashi 0:8fdf9a60065b 1394 { 0x44, 0x41, 0x6A, 0xC2, 0xD1, 0xF5, 0x3C, 0x58,
kadonotakashi 0:8fdf9a60065b 1395 0x33, 0x03, 0x91, 0x7E, 0x6B, 0xE9, 0xEB, 0xE0 },
kadonotakashi 0:8fdf9a60065b 1396 { 0x48, 0xE3, 0x1E, 0x9E, 0x25, 0x67, 0x18, 0xF2,
kadonotakashi 0:8fdf9a60065b 1397 0x92, 0x29, 0x31, 0x9C, 0x19, 0xF1, 0x5B, 0xA4 },
kadonotakashi 0:8fdf9a60065b 1398 { 0x05, 0x8C, 0xCF, 0xFD, 0xBB, 0xCB, 0x38, 0x2D,
kadonotakashi 0:8fdf9a60065b 1399 0x1F, 0x6F, 0x56, 0x58, 0x5D, 0x8A, 0x4A, 0xDE }
kadonotakashi 0:8fdf9a60065b 1400 };
kadonotakashi 0:8fdf9a60065b 1401
kadonotakashi 0:8fdf9a60065b 1402 static const unsigned char aes_test_ecb_enc[3][16] =
kadonotakashi 0:8fdf9a60065b 1403 {
kadonotakashi 0:8fdf9a60065b 1404 { 0xC3, 0x4C, 0x05, 0x2C, 0xC0, 0xDA, 0x8D, 0x73,
kadonotakashi 0:8fdf9a60065b 1405 0x45, 0x1A, 0xFE, 0x5F, 0x03, 0xBE, 0x29, 0x7F },
kadonotakashi 0:8fdf9a60065b 1406 { 0xF3, 0xF6, 0x75, 0x2A, 0xE8, 0xD7, 0x83, 0x11,
kadonotakashi 0:8fdf9a60065b 1407 0x38, 0xF0, 0x41, 0x56, 0x06, 0x31, 0xB1, 0x14 },
kadonotakashi 0:8fdf9a60065b 1408 { 0x8B, 0x79, 0xEE, 0xCC, 0x93, 0xA0, 0xEE, 0x5D,
kadonotakashi 0:8fdf9a60065b 1409 0xFF, 0x30, 0xB4, 0xEA, 0x21, 0x63, 0x6D, 0xA4 }
kadonotakashi 0:8fdf9a60065b 1410 };
kadonotakashi 0:8fdf9a60065b 1411
kadonotakashi 0:8fdf9a60065b 1412 #if defined(MBEDTLS_CIPHER_MODE_CBC)
kadonotakashi 0:8fdf9a60065b 1413 static const unsigned char aes_test_cbc_dec[3][16] =
kadonotakashi 0:8fdf9a60065b 1414 {
kadonotakashi 0:8fdf9a60065b 1415 { 0xFA, 0xCA, 0x37, 0xE0, 0xB0, 0xC8, 0x53, 0x73,
kadonotakashi 0:8fdf9a60065b 1416 0xDF, 0x70, 0x6E, 0x73, 0xF7, 0xC9, 0xAF, 0x86 },
kadonotakashi 0:8fdf9a60065b 1417 { 0x5D, 0xF6, 0x78, 0xDD, 0x17, 0xBA, 0x4E, 0x75,
kadonotakashi 0:8fdf9a60065b 1418 0xB6, 0x17, 0x68, 0xC6, 0xAD, 0xEF, 0x7C, 0x7B },
kadonotakashi 0:8fdf9a60065b 1419 { 0x48, 0x04, 0xE1, 0x81, 0x8F, 0xE6, 0x29, 0x75,
kadonotakashi 0:8fdf9a60065b 1420 0x19, 0xA3, 0xE8, 0x8C, 0x57, 0x31, 0x04, 0x13 }
kadonotakashi 0:8fdf9a60065b 1421 };
kadonotakashi 0:8fdf9a60065b 1422
kadonotakashi 0:8fdf9a60065b 1423 static const unsigned char aes_test_cbc_enc[3][16] =
kadonotakashi 0:8fdf9a60065b 1424 {
kadonotakashi 0:8fdf9a60065b 1425 { 0x8A, 0x05, 0xFC, 0x5E, 0x09, 0x5A, 0xF4, 0x84,
kadonotakashi 0:8fdf9a60065b 1426 0x8A, 0x08, 0xD3, 0x28, 0xD3, 0x68, 0x8E, 0x3D },
kadonotakashi 0:8fdf9a60065b 1427 { 0x7B, 0xD9, 0x66, 0xD5, 0x3A, 0xD8, 0xC1, 0xBB,
kadonotakashi 0:8fdf9a60065b 1428 0x85, 0xD2, 0xAD, 0xFA, 0xE8, 0x7B, 0xB1, 0x04 },
kadonotakashi 0:8fdf9a60065b 1429 { 0xFE, 0x3C, 0x53, 0x65, 0x3E, 0x2F, 0x45, 0xB5,
kadonotakashi 0:8fdf9a60065b 1430 0x6F, 0xCD, 0x88, 0xB2, 0xCC, 0x89, 0x8F, 0xF0 }
kadonotakashi 0:8fdf9a60065b 1431 };
kadonotakashi 0:8fdf9a60065b 1432 #endif /* MBEDTLS_CIPHER_MODE_CBC */
kadonotakashi 0:8fdf9a60065b 1433
kadonotakashi 0:8fdf9a60065b 1434 #if defined(MBEDTLS_CIPHER_MODE_CFB)
kadonotakashi 0:8fdf9a60065b 1435 /*
kadonotakashi 0:8fdf9a60065b 1436 * AES-CFB128 test vectors from:
kadonotakashi 0:8fdf9a60065b 1437 *
kadonotakashi 0:8fdf9a60065b 1438 * http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
kadonotakashi 0:8fdf9a60065b 1439 */
kadonotakashi 0:8fdf9a60065b 1440 static const unsigned char aes_test_cfb128_key[3][32] =
kadonotakashi 0:8fdf9a60065b 1441 {
kadonotakashi 0:8fdf9a60065b 1442 { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
kadonotakashi 0:8fdf9a60065b 1443 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C },
kadonotakashi 0:8fdf9a60065b 1444 { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
kadonotakashi 0:8fdf9a60065b 1445 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
kadonotakashi 0:8fdf9a60065b 1446 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B },
kadonotakashi 0:8fdf9a60065b 1447 { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
kadonotakashi 0:8fdf9a60065b 1448 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
kadonotakashi 0:8fdf9a60065b 1449 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
kadonotakashi 0:8fdf9a60065b 1450 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
kadonotakashi 0:8fdf9a60065b 1451 };
kadonotakashi 0:8fdf9a60065b 1452
kadonotakashi 0:8fdf9a60065b 1453 static const unsigned char aes_test_cfb128_iv[16] =
kadonotakashi 0:8fdf9a60065b 1454 {
kadonotakashi 0:8fdf9a60065b 1455 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
kadonotakashi 0:8fdf9a60065b 1456 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
kadonotakashi 0:8fdf9a60065b 1457 };
kadonotakashi 0:8fdf9a60065b 1458
kadonotakashi 0:8fdf9a60065b 1459 static const unsigned char aes_test_cfb128_pt[64] =
kadonotakashi 0:8fdf9a60065b 1460 {
kadonotakashi 0:8fdf9a60065b 1461 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
kadonotakashi 0:8fdf9a60065b 1462 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A,
kadonotakashi 0:8fdf9a60065b 1463 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
kadonotakashi 0:8fdf9a60065b 1464 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51,
kadonotakashi 0:8fdf9a60065b 1465 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
kadonotakashi 0:8fdf9a60065b 1466 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF,
kadonotakashi 0:8fdf9a60065b 1467 0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17,
kadonotakashi 0:8fdf9a60065b 1468 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10
kadonotakashi 0:8fdf9a60065b 1469 };
kadonotakashi 0:8fdf9a60065b 1470
kadonotakashi 0:8fdf9a60065b 1471 static const unsigned char aes_test_cfb128_ct[3][64] =
kadonotakashi 0:8fdf9a60065b 1472 {
kadonotakashi 0:8fdf9a60065b 1473 { 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20,
kadonotakashi 0:8fdf9a60065b 1474 0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A,
kadonotakashi 0:8fdf9a60065b 1475 0xC8, 0xA6, 0x45, 0x37, 0xA0, 0xB3, 0xA9, 0x3F,
kadonotakashi 0:8fdf9a60065b 1476 0xCD, 0xE3, 0xCD, 0xAD, 0x9F, 0x1C, 0xE5, 0x8B,
kadonotakashi 0:8fdf9a60065b 1477 0x26, 0x75, 0x1F, 0x67, 0xA3, 0xCB, 0xB1, 0x40,
kadonotakashi 0:8fdf9a60065b 1478 0xB1, 0x80, 0x8C, 0xF1, 0x87, 0xA4, 0xF4, 0xDF,
kadonotakashi 0:8fdf9a60065b 1479 0xC0, 0x4B, 0x05, 0x35, 0x7C, 0x5D, 0x1C, 0x0E,
kadonotakashi 0:8fdf9a60065b 1480 0xEA, 0xC4, 0xC6, 0x6F, 0x9F, 0xF7, 0xF2, 0xE6 },
kadonotakashi 0:8fdf9a60065b 1481 { 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB,
kadonotakashi 0:8fdf9a60065b 1482 0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74,
kadonotakashi 0:8fdf9a60065b 1483 0x67, 0xCE, 0x7F, 0x7F, 0x81, 0x17, 0x36, 0x21,
kadonotakashi 0:8fdf9a60065b 1484 0x96, 0x1A, 0x2B, 0x70, 0x17, 0x1D, 0x3D, 0x7A,
kadonotakashi 0:8fdf9a60065b 1485 0x2E, 0x1E, 0x8A, 0x1D, 0xD5, 0x9B, 0x88, 0xB1,
kadonotakashi 0:8fdf9a60065b 1486 0xC8, 0xE6, 0x0F, 0xED, 0x1E, 0xFA, 0xC4, 0xC9,
kadonotakashi 0:8fdf9a60065b 1487 0xC0, 0x5F, 0x9F, 0x9C, 0xA9, 0x83, 0x4F, 0xA0,
kadonotakashi 0:8fdf9a60065b 1488 0x42, 0xAE, 0x8F, 0xBA, 0x58, 0x4B, 0x09, 0xFF },
kadonotakashi 0:8fdf9a60065b 1489 { 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B,
kadonotakashi 0:8fdf9a60065b 1490 0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60,
kadonotakashi 0:8fdf9a60065b 1491 0x39, 0xFF, 0xED, 0x14, 0x3B, 0x28, 0xB1, 0xC8,
kadonotakashi 0:8fdf9a60065b 1492 0x32, 0x11, 0x3C, 0x63, 0x31, 0xE5, 0x40, 0x7B,
kadonotakashi 0:8fdf9a60065b 1493 0xDF, 0x10, 0x13, 0x24, 0x15, 0xE5, 0x4B, 0x92,
kadonotakashi 0:8fdf9a60065b 1494 0xA1, 0x3E, 0xD0, 0xA8, 0x26, 0x7A, 0xE2, 0xF9,
kadonotakashi 0:8fdf9a60065b 1495 0x75, 0xA3, 0x85, 0x74, 0x1A, 0xB9, 0xCE, 0xF8,
kadonotakashi 0:8fdf9a60065b 1496 0x20, 0x31, 0x62, 0x3D, 0x55, 0xB1, 0xE4, 0x71 }
kadonotakashi 0:8fdf9a60065b 1497 };
kadonotakashi 0:8fdf9a60065b 1498 #endif /* MBEDTLS_CIPHER_MODE_CFB */
kadonotakashi 0:8fdf9a60065b 1499
kadonotakashi 0:8fdf9a60065b 1500 #if defined(MBEDTLS_CIPHER_MODE_OFB)
kadonotakashi 0:8fdf9a60065b 1501 /*
kadonotakashi 0:8fdf9a60065b 1502 * AES-OFB test vectors from:
kadonotakashi 0:8fdf9a60065b 1503 *
kadonotakashi 0:8fdf9a60065b 1504 * https://csrc.nist.gov/publications/detail/sp/800-38a/final
kadonotakashi 0:8fdf9a60065b 1505 */
kadonotakashi 0:8fdf9a60065b 1506 static const unsigned char aes_test_ofb_key[3][32] =
kadonotakashi 0:8fdf9a60065b 1507 {
kadonotakashi 0:8fdf9a60065b 1508 { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
kadonotakashi 0:8fdf9a60065b 1509 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C },
kadonotakashi 0:8fdf9a60065b 1510 { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
kadonotakashi 0:8fdf9a60065b 1511 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
kadonotakashi 0:8fdf9a60065b 1512 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B },
kadonotakashi 0:8fdf9a60065b 1513 { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
kadonotakashi 0:8fdf9a60065b 1514 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
kadonotakashi 0:8fdf9a60065b 1515 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
kadonotakashi 0:8fdf9a60065b 1516 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
kadonotakashi 0:8fdf9a60065b 1517 };
kadonotakashi 0:8fdf9a60065b 1518
kadonotakashi 0:8fdf9a60065b 1519 static const unsigned char aes_test_ofb_iv[16] =
kadonotakashi 0:8fdf9a60065b 1520 {
kadonotakashi 0:8fdf9a60065b 1521 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
kadonotakashi 0:8fdf9a60065b 1522 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
kadonotakashi 0:8fdf9a60065b 1523 };
kadonotakashi 0:8fdf9a60065b 1524
kadonotakashi 0:8fdf9a60065b 1525 static const unsigned char aes_test_ofb_pt[64] =
kadonotakashi 0:8fdf9a60065b 1526 {
kadonotakashi 0:8fdf9a60065b 1527 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
kadonotakashi 0:8fdf9a60065b 1528 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A,
kadonotakashi 0:8fdf9a60065b 1529 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
kadonotakashi 0:8fdf9a60065b 1530 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51,
kadonotakashi 0:8fdf9a60065b 1531 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
kadonotakashi 0:8fdf9a60065b 1532 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF,
kadonotakashi 0:8fdf9a60065b 1533 0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17,
kadonotakashi 0:8fdf9a60065b 1534 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10
kadonotakashi 0:8fdf9a60065b 1535 };
kadonotakashi 0:8fdf9a60065b 1536
kadonotakashi 0:8fdf9a60065b 1537 static const unsigned char aes_test_ofb_ct[3][64] =
kadonotakashi 0:8fdf9a60065b 1538 {
kadonotakashi 0:8fdf9a60065b 1539 { 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20,
kadonotakashi 0:8fdf9a60065b 1540 0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A,
kadonotakashi 0:8fdf9a60065b 1541 0x77, 0x89, 0x50, 0x8d, 0x16, 0x91, 0x8f, 0x03,
kadonotakashi 0:8fdf9a60065b 1542 0xf5, 0x3c, 0x52, 0xda, 0xc5, 0x4e, 0xd8, 0x25,
kadonotakashi 0:8fdf9a60065b 1543 0x97, 0x40, 0x05, 0x1e, 0x9c, 0x5f, 0xec, 0xf6,
kadonotakashi 0:8fdf9a60065b 1544 0x43, 0x44, 0xf7, 0xa8, 0x22, 0x60, 0xed, 0xcc,
kadonotakashi 0:8fdf9a60065b 1545 0x30, 0x4c, 0x65, 0x28, 0xf6, 0x59, 0xc7, 0x78,
kadonotakashi 0:8fdf9a60065b 1546 0x66, 0xa5, 0x10, 0xd9, 0xc1, 0xd6, 0xae, 0x5e },
kadonotakashi 0:8fdf9a60065b 1547 { 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB,
kadonotakashi 0:8fdf9a60065b 1548 0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74,
kadonotakashi 0:8fdf9a60065b 1549 0xfc, 0xc2, 0x8b, 0x8d, 0x4c, 0x63, 0x83, 0x7c,
kadonotakashi 0:8fdf9a60065b 1550 0x09, 0xe8, 0x17, 0x00, 0xc1, 0x10, 0x04, 0x01,
kadonotakashi 0:8fdf9a60065b 1551 0x8d, 0x9a, 0x9a, 0xea, 0xc0, 0xf6, 0x59, 0x6f,
kadonotakashi 0:8fdf9a60065b 1552 0x55, 0x9c, 0x6d, 0x4d, 0xaf, 0x59, 0xa5, 0xf2,
kadonotakashi 0:8fdf9a60065b 1553 0x6d, 0x9f, 0x20, 0x08, 0x57, 0xca, 0x6c, 0x3e,
kadonotakashi 0:8fdf9a60065b 1554 0x9c, 0xac, 0x52, 0x4b, 0xd9, 0xac, 0xc9, 0x2a },
kadonotakashi 0:8fdf9a60065b 1555 { 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B,
kadonotakashi 0:8fdf9a60065b 1556 0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60,
kadonotakashi 0:8fdf9a60065b 1557 0x4f, 0xeb, 0xdc, 0x67, 0x40, 0xd2, 0x0b, 0x3a,
kadonotakashi 0:8fdf9a60065b 1558 0xc8, 0x8f, 0x6a, 0xd8, 0x2a, 0x4f, 0xb0, 0x8d,
kadonotakashi 0:8fdf9a60065b 1559 0x71, 0xab, 0x47, 0xa0, 0x86, 0xe8, 0x6e, 0xed,
kadonotakashi 0:8fdf9a60065b 1560 0xf3, 0x9d, 0x1c, 0x5b, 0xba, 0x97, 0xc4, 0x08,
kadonotakashi 0:8fdf9a60065b 1561 0x01, 0x26, 0x14, 0x1d, 0x67, 0xf3, 0x7b, 0xe8,
kadonotakashi 0:8fdf9a60065b 1562 0x53, 0x8f, 0x5a, 0x8b, 0xe7, 0x40, 0xe4, 0x84 }
kadonotakashi 0:8fdf9a60065b 1563 };
kadonotakashi 0:8fdf9a60065b 1564 #endif /* MBEDTLS_CIPHER_MODE_OFB */
kadonotakashi 0:8fdf9a60065b 1565
kadonotakashi 0:8fdf9a60065b 1566 #if defined(MBEDTLS_CIPHER_MODE_CTR)
kadonotakashi 0:8fdf9a60065b 1567 /*
kadonotakashi 0:8fdf9a60065b 1568 * AES-CTR test vectors from:
kadonotakashi 0:8fdf9a60065b 1569 *
kadonotakashi 0:8fdf9a60065b 1570 * http://www.faqs.org/rfcs/rfc3686.html
kadonotakashi 0:8fdf9a60065b 1571 */
kadonotakashi 0:8fdf9a60065b 1572
kadonotakashi 0:8fdf9a60065b 1573 static const unsigned char aes_test_ctr_key[3][16] =
kadonotakashi 0:8fdf9a60065b 1574 {
kadonotakashi 0:8fdf9a60065b 1575 { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC,
kadonotakashi 0:8fdf9a60065b 1576 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E },
kadonotakashi 0:8fdf9a60065b 1577 { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7,
kadonotakashi 0:8fdf9a60065b 1578 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 },
kadonotakashi 0:8fdf9a60065b 1579 { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8,
kadonotakashi 0:8fdf9a60065b 1580 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC }
kadonotakashi 0:8fdf9a60065b 1581 };
kadonotakashi 0:8fdf9a60065b 1582
kadonotakashi 0:8fdf9a60065b 1583 static const unsigned char aes_test_ctr_nonce_counter[3][16] =
kadonotakashi 0:8fdf9a60065b 1584 {
kadonotakashi 0:8fdf9a60065b 1585 { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
kadonotakashi 0:8fdf9a60065b 1586 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
kadonotakashi 0:8fdf9a60065b 1587 { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59,
kadonotakashi 0:8fdf9a60065b 1588 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 },
kadonotakashi 0:8fdf9a60065b 1589 { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F,
kadonotakashi 0:8fdf9a60065b 1590 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 }
kadonotakashi 0:8fdf9a60065b 1591 };
kadonotakashi 0:8fdf9a60065b 1592
kadonotakashi 0:8fdf9a60065b 1593 static const unsigned char aes_test_ctr_pt[3][48] =
kadonotakashi 0:8fdf9a60065b 1594 {
kadonotakashi 0:8fdf9a60065b 1595 { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62,
kadonotakashi 0:8fdf9a60065b 1596 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 },
kadonotakashi 0:8fdf9a60065b 1597
kadonotakashi 0:8fdf9a60065b 1598 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
kadonotakashi 0:8fdf9a60065b 1599 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
kadonotakashi 0:8fdf9a60065b 1600 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
kadonotakashi 0:8fdf9a60065b 1601 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
kadonotakashi 0:8fdf9a60065b 1602
kadonotakashi 0:8fdf9a60065b 1603 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
kadonotakashi 0:8fdf9a60065b 1604 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
kadonotakashi 0:8fdf9a60065b 1605 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
kadonotakashi 0:8fdf9a60065b 1606 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
kadonotakashi 0:8fdf9a60065b 1607 0x20, 0x21, 0x22, 0x23 }
kadonotakashi 0:8fdf9a60065b 1608 };
kadonotakashi 0:8fdf9a60065b 1609
kadonotakashi 0:8fdf9a60065b 1610 static const unsigned char aes_test_ctr_ct[3][48] =
kadonotakashi 0:8fdf9a60065b 1611 {
kadonotakashi 0:8fdf9a60065b 1612 { 0xE4, 0x09, 0x5D, 0x4F, 0xB7, 0xA7, 0xB3, 0x79,
kadonotakashi 0:8fdf9a60065b 1613 0x2D, 0x61, 0x75, 0xA3, 0x26, 0x13, 0x11, 0xB8 },
kadonotakashi 0:8fdf9a60065b 1614 { 0x51, 0x04, 0xA1, 0x06, 0x16, 0x8A, 0x72, 0xD9,
kadonotakashi 0:8fdf9a60065b 1615 0x79, 0x0D, 0x41, 0xEE, 0x8E, 0xDA, 0xD3, 0x88,
kadonotakashi 0:8fdf9a60065b 1616 0xEB, 0x2E, 0x1E, 0xFC, 0x46, 0xDA, 0x57, 0xC8,
kadonotakashi 0:8fdf9a60065b 1617 0xFC, 0xE6, 0x30, 0xDF, 0x91, 0x41, 0xBE, 0x28 },
kadonotakashi 0:8fdf9a60065b 1618 { 0xC1, 0xCF, 0x48, 0xA8, 0x9F, 0x2F, 0xFD, 0xD9,
kadonotakashi 0:8fdf9a60065b 1619 0xCF, 0x46, 0x52, 0xE9, 0xEF, 0xDB, 0x72, 0xD7,
kadonotakashi 0:8fdf9a60065b 1620 0x45, 0x40, 0xA4, 0x2B, 0xDE, 0x6D, 0x78, 0x36,
kadonotakashi 0:8fdf9a60065b 1621 0xD5, 0x9A, 0x5C, 0xEA, 0xAE, 0xF3, 0x10, 0x53,
kadonotakashi 0:8fdf9a60065b 1622 0x25, 0xB2, 0x07, 0x2F }
kadonotakashi 0:8fdf9a60065b 1623 };
kadonotakashi 0:8fdf9a60065b 1624
kadonotakashi 0:8fdf9a60065b 1625 static const int aes_test_ctr_len[3] =
kadonotakashi 0:8fdf9a60065b 1626 { 16, 32, 36 };
kadonotakashi 0:8fdf9a60065b 1627 #endif /* MBEDTLS_CIPHER_MODE_CTR */
kadonotakashi 0:8fdf9a60065b 1628
kadonotakashi 0:8fdf9a60065b 1629 #if defined(MBEDTLS_CIPHER_MODE_XTS)
kadonotakashi 0:8fdf9a60065b 1630 /*
kadonotakashi 0:8fdf9a60065b 1631 * AES-XTS test vectors from:
kadonotakashi 0:8fdf9a60065b 1632 *
kadonotakashi 0:8fdf9a60065b 1633 * IEEE P1619/D16 Annex B
kadonotakashi 0:8fdf9a60065b 1634 * https://web.archive.org/web/20150629024421/http://grouper.ieee.org/groups/1619/email/pdf00086.pdf
kadonotakashi 0:8fdf9a60065b 1635 * (Archived from original at http://grouper.ieee.org/groups/1619/email/pdf00086.pdf)
kadonotakashi 0:8fdf9a60065b 1636 */
kadonotakashi 0:8fdf9a60065b 1637 static const unsigned char aes_test_xts_key[][32] =
kadonotakashi 0:8fdf9a60065b 1638 {
kadonotakashi 0:8fdf9a60065b 1639 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
kadonotakashi 0:8fdf9a60065b 1640 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
kadonotakashi 0:8fdf9a60065b 1641 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
kadonotakashi 0:8fdf9a60065b 1642 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
kadonotakashi 0:8fdf9a60065b 1643 { 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
kadonotakashi 0:8fdf9a60065b 1644 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
kadonotakashi 0:8fdf9a60065b 1645 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
kadonotakashi 0:8fdf9a60065b 1646 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22 },
kadonotakashi 0:8fdf9a60065b 1647 { 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
kadonotakashi 0:8fdf9a60065b 1648 0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
kadonotakashi 0:8fdf9a60065b 1649 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
kadonotakashi 0:8fdf9a60065b 1650 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22 },
kadonotakashi 0:8fdf9a60065b 1651 };
kadonotakashi 0:8fdf9a60065b 1652
kadonotakashi 0:8fdf9a60065b 1653 static const unsigned char aes_test_xts_pt32[][32] =
kadonotakashi 0:8fdf9a60065b 1654 {
kadonotakashi 0:8fdf9a60065b 1655 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
kadonotakashi 0:8fdf9a60065b 1656 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
kadonotakashi 0:8fdf9a60065b 1657 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
kadonotakashi 0:8fdf9a60065b 1658 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
kadonotakashi 0:8fdf9a60065b 1659 { 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
kadonotakashi 0:8fdf9a60065b 1660 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
kadonotakashi 0:8fdf9a60065b 1661 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
kadonotakashi 0:8fdf9a60065b 1662 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44 },
kadonotakashi 0:8fdf9a60065b 1663 { 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
kadonotakashi 0:8fdf9a60065b 1664 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
kadonotakashi 0:8fdf9a60065b 1665 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
kadonotakashi 0:8fdf9a60065b 1666 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44 },
kadonotakashi 0:8fdf9a60065b 1667 };
kadonotakashi 0:8fdf9a60065b 1668
kadonotakashi 0:8fdf9a60065b 1669 static const unsigned char aes_test_xts_ct32[][32] =
kadonotakashi 0:8fdf9a60065b 1670 {
kadonotakashi 0:8fdf9a60065b 1671 { 0x91, 0x7c, 0xf6, 0x9e, 0xbd, 0x68, 0xb2, 0xec,
kadonotakashi 0:8fdf9a60065b 1672 0x9b, 0x9f, 0xe9, 0xa3, 0xea, 0xdd, 0xa6, 0x92,
kadonotakashi 0:8fdf9a60065b 1673 0xcd, 0x43, 0xd2, 0xf5, 0x95, 0x98, 0xed, 0x85,
kadonotakashi 0:8fdf9a60065b 1674 0x8c, 0x02, 0xc2, 0x65, 0x2f, 0xbf, 0x92, 0x2e },
kadonotakashi 0:8fdf9a60065b 1675 { 0xc4, 0x54, 0x18, 0x5e, 0x6a, 0x16, 0x93, 0x6e,
kadonotakashi 0:8fdf9a60065b 1676 0x39, 0x33, 0x40, 0x38, 0xac, 0xef, 0x83, 0x8b,
kadonotakashi 0:8fdf9a60065b 1677 0xfb, 0x18, 0x6f, 0xff, 0x74, 0x80, 0xad, 0xc4,
kadonotakashi 0:8fdf9a60065b 1678 0x28, 0x93, 0x82, 0xec, 0xd6, 0xd3, 0x94, 0xf0 },
kadonotakashi 0:8fdf9a60065b 1679 { 0xaf, 0x85, 0x33, 0x6b, 0x59, 0x7a, 0xfc, 0x1a,
kadonotakashi 0:8fdf9a60065b 1680 0x90, 0x0b, 0x2e, 0xb2, 0x1e, 0xc9, 0x49, 0xd2,
kadonotakashi 0:8fdf9a60065b 1681 0x92, 0xdf, 0x4c, 0x04, 0x7e, 0x0b, 0x21, 0x53,
kadonotakashi 0:8fdf9a60065b 1682 0x21, 0x86, 0xa5, 0x97, 0x1a, 0x22, 0x7a, 0x89 },
kadonotakashi 0:8fdf9a60065b 1683 };
kadonotakashi 0:8fdf9a60065b 1684
kadonotakashi 0:8fdf9a60065b 1685 static const unsigned char aes_test_xts_data_unit[][16] =
kadonotakashi 0:8fdf9a60065b 1686 {
kadonotakashi 0:8fdf9a60065b 1687 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
kadonotakashi 0:8fdf9a60065b 1688 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
kadonotakashi 0:8fdf9a60065b 1689 { 0x33, 0x33, 0x33, 0x33, 0x33, 0x00, 0x00, 0x00,
kadonotakashi 0:8fdf9a60065b 1690 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
kadonotakashi 0:8fdf9a60065b 1691 { 0x33, 0x33, 0x33, 0x33, 0x33, 0x00, 0x00, 0x00,
kadonotakashi 0:8fdf9a60065b 1692 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
kadonotakashi 0:8fdf9a60065b 1693 };
kadonotakashi 0:8fdf9a60065b 1694
kadonotakashi 0:8fdf9a60065b 1695 #endif /* MBEDTLS_CIPHER_MODE_XTS */
kadonotakashi 0:8fdf9a60065b 1696
kadonotakashi 0:8fdf9a60065b 1697 /*
kadonotakashi 0:8fdf9a60065b 1698 * Checkup routine
kadonotakashi 0:8fdf9a60065b 1699 */
kadonotakashi 0:8fdf9a60065b 1700 int mbedtls_aes_self_test( int verbose )
kadonotakashi 0:8fdf9a60065b 1701 {
kadonotakashi 0:8fdf9a60065b 1702 int ret = 0, i, j, u, mode;
kadonotakashi 0:8fdf9a60065b 1703 unsigned int keybits;
kadonotakashi 0:8fdf9a60065b 1704 unsigned char key[32];
kadonotakashi 0:8fdf9a60065b 1705 unsigned char buf[64];
kadonotakashi 0:8fdf9a60065b 1706 const unsigned char *aes_tests;
kadonotakashi 0:8fdf9a60065b 1707 #if defined(MBEDTLS_CIPHER_MODE_CBC) || defined(MBEDTLS_CIPHER_MODE_CFB)
kadonotakashi 0:8fdf9a60065b 1708 unsigned char iv[16];
kadonotakashi 0:8fdf9a60065b 1709 #endif
kadonotakashi 0:8fdf9a60065b 1710 #if defined(MBEDTLS_CIPHER_MODE_CBC)
kadonotakashi 0:8fdf9a60065b 1711 unsigned char prv[16];
kadonotakashi 0:8fdf9a60065b 1712 #endif
kadonotakashi 0:8fdf9a60065b 1713 #if defined(MBEDTLS_CIPHER_MODE_CTR) || defined(MBEDTLS_CIPHER_MODE_CFB) || \
kadonotakashi 0:8fdf9a60065b 1714 defined(MBEDTLS_CIPHER_MODE_OFB)
kadonotakashi 0:8fdf9a60065b 1715 size_t offset;
kadonotakashi 0:8fdf9a60065b 1716 #endif
kadonotakashi 0:8fdf9a60065b 1717 #if defined(MBEDTLS_CIPHER_MODE_CTR) || defined(MBEDTLS_CIPHER_MODE_XTS)
kadonotakashi 0:8fdf9a60065b 1718 int len;
kadonotakashi 0:8fdf9a60065b 1719 #endif
kadonotakashi 0:8fdf9a60065b 1720 #if defined(MBEDTLS_CIPHER_MODE_CTR)
kadonotakashi 0:8fdf9a60065b 1721 unsigned char nonce_counter[16];
kadonotakashi 0:8fdf9a60065b 1722 unsigned char stream_block[16];
kadonotakashi 0:8fdf9a60065b 1723 #endif
kadonotakashi 0:8fdf9a60065b 1724 mbedtls_aes_context ctx;
kadonotakashi 0:8fdf9a60065b 1725
kadonotakashi 0:8fdf9a60065b 1726 memset( key, 0, 32 );
kadonotakashi 0:8fdf9a60065b 1727 mbedtls_aes_init( &ctx );
kadonotakashi 0:8fdf9a60065b 1728
kadonotakashi 0:8fdf9a60065b 1729 /*
kadonotakashi 0:8fdf9a60065b 1730 * ECB mode
kadonotakashi 0:8fdf9a60065b 1731 */
kadonotakashi 0:8fdf9a60065b 1732 for( i = 0; i < 6; i++ )
kadonotakashi 0:8fdf9a60065b 1733 {
kadonotakashi 0:8fdf9a60065b 1734 u = i >> 1;
kadonotakashi 0:8fdf9a60065b 1735 keybits = 128 + u * 64;
kadonotakashi 0:8fdf9a60065b 1736 mode = i & 1;
kadonotakashi 0:8fdf9a60065b 1737
kadonotakashi 0:8fdf9a60065b 1738 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1739 mbedtls_printf( " AES-ECB-%3d (%s): ", keybits,
kadonotakashi 0:8fdf9a60065b 1740 ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
kadonotakashi 0:8fdf9a60065b 1741
kadonotakashi 0:8fdf9a60065b 1742 memset( buf, 0, 16 );
kadonotakashi 0:8fdf9a60065b 1743
kadonotakashi 0:8fdf9a60065b 1744 if( mode == MBEDTLS_AES_DECRYPT )
kadonotakashi 0:8fdf9a60065b 1745 {
kadonotakashi 0:8fdf9a60065b 1746 ret = mbedtls_aes_setkey_dec( &ctx, key, keybits );
kadonotakashi 0:8fdf9a60065b 1747 aes_tests = aes_test_ecb_dec[u];
kadonotakashi 0:8fdf9a60065b 1748 }
kadonotakashi 0:8fdf9a60065b 1749 else
kadonotakashi 0:8fdf9a60065b 1750 {
kadonotakashi 0:8fdf9a60065b 1751 ret = mbedtls_aes_setkey_enc( &ctx, key, keybits );
kadonotakashi 0:8fdf9a60065b 1752 aes_tests = aes_test_ecb_enc[u];
kadonotakashi 0:8fdf9a60065b 1753 }
kadonotakashi 0:8fdf9a60065b 1754
kadonotakashi 0:8fdf9a60065b 1755 /*
kadonotakashi 0:8fdf9a60065b 1756 * AES-192 is an optional feature that may be unavailable when
kadonotakashi 0:8fdf9a60065b 1757 * there is an alternative underlying implementation i.e. when
kadonotakashi 0:8fdf9a60065b 1758 * MBEDTLS_AES_ALT is defined.
kadonotakashi 0:8fdf9a60065b 1759 */
kadonotakashi 0:8fdf9a60065b 1760 if( ret == MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE && keybits == 192 )
kadonotakashi 0:8fdf9a60065b 1761 {
kadonotakashi 0:8fdf9a60065b 1762 mbedtls_printf( "skipped\n" );
kadonotakashi 0:8fdf9a60065b 1763 continue;
kadonotakashi 0:8fdf9a60065b 1764 }
kadonotakashi 0:8fdf9a60065b 1765 else if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1766 {
kadonotakashi 0:8fdf9a60065b 1767 goto exit;
kadonotakashi 0:8fdf9a60065b 1768 }
kadonotakashi 0:8fdf9a60065b 1769
kadonotakashi 0:8fdf9a60065b 1770 for( j = 0; j < 10000; j++ )
kadonotakashi 0:8fdf9a60065b 1771 {
kadonotakashi 0:8fdf9a60065b 1772 ret = mbedtls_aes_crypt_ecb( &ctx, mode, buf, buf );
kadonotakashi 0:8fdf9a60065b 1773 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1774 goto exit;
kadonotakashi 0:8fdf9a60065b 1775 }
kadonotakashi 0:8fdf9a60065b 1776
kadonotakashi 0:8fdf9a60065b 1777 if( memcmp( buf, aes_tests, 16 ) != 0 )
kadonotakashi 0:8fdf9a60065b 1778 {
kadonotakashi 0:8fdf9a60065b 1779 ret = 1;
kadonotakashi 0:8fdf9a60065b 1780 goto exit;
kadonotakashi 0:8fdf9a60065b 1781 }
kadonotakashi 0:8fdf9a60065b 1782
kadonotakashi 0:8fdf9a60065b 1783 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1784 mbedtls_printf( "passed\n" );
kadonotakashi 0:8fdf9a60065b 1785 }
kadonotakashi 0:8fdf9a60065b 1786
kadonotakashi 0:8fdf9a60065b 1787 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1788 mbedtls_printf( "\n" );
kadonotakashi 0:8fdf9a60065b 1789
kadonotakashi 0:8fdf9a60065b 1790 #if defined(MBEDTLS_CIPHER_MODE_CBC)
kadonotakashi 0:8fdf9a60065b 1791 /*
kadonotakashi 0:8fdf9a60065b 1792 * CBC mode
kadonotakashi 0:8fdf9a60065b 1793 */
kadonotakashi 0:8fdf9a60065b 1794 for( i = 0; i < 6; i++ )
kadonotakashi 0:8fdf9a60065b 1795 {
kadonotakashi 0:8fdf9a60065b 1796 u = i >> 1;
kadonotakashi 0:8fdf9a60065b 1797 keybits = 128 + u * 64;
kadonotakashi 0:8fdf9a60065b 1798 mode = i & 1;
kadonotakashi 0:8fdf9a60065b 1799
kadonotakashi 0:8fdf9a60065b 1800 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1801 mbedtls_printf( " AES-CBC-%3d (%s): ", keybits,
kadonotakashi 0:8fdf9a60065b 1802 ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
kadonotakashi 0:8fdf9a60065b 1803
kadonotakashi 0:8fdf9a60065b 1804 memset( iv , 0, 16 );
kadonotakashi 0:8fdf9a60065b 1805 memset( prv, 0, 16 );
kadonotakashi 0:8fdf9a60065b 1806 memset( buf, 0, 16 );
kadonotakashi 0:8fdf9a60065b 1807
kadonotakashi 0:8fdf9a60065b 1808 if( mode == MBEDTLS_AES_DECRYPT )
kadonotakashi 0:8fdf9a60065b 1809 {
kadonotakashi 0:8fdf9a60065b 1810 ret = mbedtls_aes_setkey_dec( &ctx, key, keybits );
kadonotakashi 0:8fdf9a60065b 1811 aes_tests = aes_test_cbc_dec[u];
kadonotakashi 0:8fdf9a60065b 1812 }
kadonotakashi 0:8fdf9a60065b 1813 else
kadonotakashi 0:8fdf9a60065b 1814 {
kadonotakashi 0:8fdf9a60065b 1815 ret = mbedtls_aes_setkey_enc( &ctx, key, keybits );
kadonotakashi 0:8fdf9a60065b 1816 aes_tests = aes_test_cbc_enc[u];
kadonotakashi 0:8fdf9a60065b 1817 }
kadonotakashi 0:8fdf9a60065b 1818
kadonotakashi 0:8fdf9a60065b 1819 /*
kadonotakashi 0:8fdf9a60065b 1820 * AES-192 is an optional feature that may be unavailable when
kadonotakashi 0:8fdf9a60065b 1821 * there is an alternative underlying implementation i.e. when
kadonotakashi 0:8fdf9a60065b 1822 * MBEDTLS_AES_ALT is defined.
kadonotakashi 0:8fdf9a60065b 1823 */
kadonotakashi 0:8fdf9a60065b 1824 if( ret == MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE && keybits == 192 )
kadonotakashi 0:8fdf9a60065b 1825 {
kadonotakashi 0:8fdf9a60065b 1826 mbedtls_printf( "skipped\n" );
kadonotakashi 0:8fdf9a60065b 1827 continue;
kadonotakashi 0:8fdf9a60065b 1828 }
kadonotakashi 0:8fdf9a60065b 1829 else if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1830 {
kadonotakashi 0:8fdf9a60065b 1831 goto exit;
kadonotakashi 0:8fdf9a60065b 1832 }
kadonotakashi 0:8fdf9a60065b 1833
kadonotakashi 0:8fdf9a60065b 1834 for( j = 0; j < 10000; j++ )
kadonotakashi 0:8fdf9a60065b 1835 {
kadonotakashi 0:8fdf9a60065b 1836 if( mode == MBEDTLS_AES_ENCRYPT )
kadonotakashi 0:8fdf9a60065b 1837 {
kadonotakashi 0:8fdf9a60065b 1838 unsigned char tmp[16];
kadonotakashi 0:8fdf9a60065b 1839
kadonotakashi 0:8fdf9a60065b 1840 memcpy( tmp, prv, 16 );
kadonotakashi 0:8fdf9a60065b 1841 memcpy( prv, buf, 16 );
kadonotakashi 0:8fdf9a60065b 1842 memcpy( buf, tmp, 16 );
kadonotakashi 0:8fdf9a60065b 1843 }
kadonotakashi 0:8fdf9a60065b 1844
kadonotakashi 0:8fdf9a60065b 1845 ret = mbedtls_aes_crypt_cbc( &ctx, mode, 16, iv, buf, buf );
kadonotakashi 0:8fdf9a60065b 1846 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1847 goto exit;
kadonotakashi 0:8fdf9a60065b 1848
kadonotakashi 0:8fdf9a60065b 1849 }
kadonotakashi 0:8fdf9a60065b 1850
kadonotakashi 0:8fdf9a60065b 1851 if( memcmp( buf, aes_tests, 16 ) != 0 )
kadonotakashi 0:8fdf9a60065b 1852 {
kadonotakashi 0:8fdf9a60065b 1853 ret = 1;
kadonotakashi 0:8fdf9a60065b 1854 goto exit;
kadonotakashi 0:8fdf9a60065b 1855 }
kadonotakashi 0:8fdf9a60065b 1856
kadonotakashi 0:8fdf9a60065b 1857 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1858 mbedtls_printf( "passed\n" );
kadonotakashi 0:8fdf9a60065b 1859 }
kadonotakashi 0:8fdf9a60065b 1860
kadonotakashi 0:8fdf9a60065b 1861 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1862 mbedtls_printf( "\n" );
kadonotakashi 0:8fdf9a60065b 1863 #endif /* MBEDTLS_CIPHER_MODE_CBC */
kadonotakashi 0:8fdf9a60065b 1864
kadonotakashi 0:8fdf9a60065b 1865 #if defined(MBEDTLS_CIPHER_MODE_CFB)
kadonotakashi 0:8fdf9a60065b 1866 /*
kadonotakashi 0:8fdf9a60065b 1867 * CFB128 mode
kadonotakashi 0:8fdf9a60065b 1868 */
kadonotakashi 0:8fdf9a60065b 1869 for( i = 0; i < 6; i++ )
kadonotakashi 0:8fdf9a60065b 1870 {
kadonotakashi 0:8fdf9a60065b 1871 u = i >> 1;
kadonotakashi 0:8fdf9a60065b 1872 keybits = 128 + u * 64;
kadonotakashi 0:8fdf9a60065b 1873 mode = i & 1;
kadonotakashi 0:8fdf9a60065b 1874
kadonotakashi 0:8fdf9a60065b 1875 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1876 mbedtls_printf( " AES-CFB128-%3d (%s): ", keybits,
kadonotakashi 0:8fdf9a60065b 1877 ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
kadonotakashi 0:8fdf9a60065b 1878
kadonotakashi 0:8fdf9a60065b 1879 memcpy( iv, aes_test_cfb128_iv, 16 );
kadonotakashi 0:8fdf9a60065b 1880 memcpy( key, aes_test_cfb128_key[u], keybits / 8 );
kadonotakashi 0:8fdf9a60065b 1881
kadonotakashi 0:8fdf9a60065b 1882 offset = 0;
kadonotakashi 0:8fdf9a60065b 1883 ret = mbedtls_aes_setkey_enc( &ctx, key, keybits );
kadonotakashi 0:8fdf9a60065b 1884 /*
kadonotakashi 0:8fdf9a60065b 1885 * AES-192 is an optional feature that may be unavailable when
kadonotakashi 0:8fdf9a60065b 1886 * there is an alternative underlying implementation i.e. when
kadonotakashi 0:8fdf9a60065b 1887 * MBEDTLS_AES_ALT is defined.
kadonotakashi 0:8fdf9a60065b 1888 */
kadonotakashi 0:8fdf9a60065b 1889 if( ret == MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE && keybits == 192 )
kadonotakashi 0:8fdf9a60065b 1890 {
kadonotakashi 0:8fdf9a60065b 1891 mbedtls_printf( "skipped\n" );
kadonotakashi 0:8fdf9a60065b 1892 continue;
kadonotakashi 0:8fdf9a60065b 1893 }
kadonotakashi 0:8fdf9a60065b 1894 else if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1895 {
kadonotakashi 0:8fdf9a60065b 1896 goto exit;
kadonotakashi 0:8fdf9a60065b 1897 }
kadonotakashi 0:8fdf9a60065b 1898
kadonotakashi 0:8fdf9a60065b 1899 if( mode == MBEDTLS_AES_DECRYPT )
kadonotakashi 0:8fdf9a60065b 1900 {
kadonotakashi 0:8fdf9a60065b 1901 memcpy( buf, aes_test_cfb128_ct[u], 64 );
kadonotakashi 0:8fdf9a60065b 1902 aes_tests = aes_test_cfb128_pt;
kadonotakashi 0:8fdf9a60065b 1903 }
kadonotakashi 0:8fdf9a60065b 1904 else
kadonotakashi 0:8fdf9a60065b 1905 {
kadonotakashi 0:8fdf9a60065b 1906 memcpy( buf, aes_test_cfb128_pt, 64 );
kadonotakashi 0:8fdf9a60065b 1907 aes_tests = aes_test_cfb128_ct[u];
kadonotakashi 0:8fdf9a60065b 1908 }
kadonotakashi 0:8fdf9a60065b 1909
kadonotakashi 0:8fdf9a60065b 1910 ret = mbedtls_aes_crypt_cfb128( &ctx, mode, 64, &offset, iv, buf, buf );
kadonotakashi 0:8fdf9a60065b 1911 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1912 goto exit;
kadonotakashi 0:8fdf9a60065b 1913
kadonotakashi 0:8fdf9a60065b 1914 if( memcmp( buf, aes_tests, 64 ) != 0 )
kadonotakashi 0:8fdf9a60065b 1915 {
kadonotakashi 0:8fdf9a60065b 1916 ret = 1;
kadonotakashi 0:8fdf9a60065b 1917 goto exit;
kadonotakashi 0:8fdf9a60065b 1918 }
kadonotakashi 0:8fdf9a60065b 1919
kadonotakashi 0:8fdf9a60065b 1920 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1921 mbedtls_printf( "passed\n" );
kadonotakashi 0:8fdf9a60065b 1922 }
kadonotakashi 0:8fdf9a60065b 1923
kadonotakashi 0:8fdf9a60065b 1924 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1925 mbedtls_printf( "\n" );
kadonotakashi 0:8fdf9a60065b 1926 #endif /* MBEDTLS_CIPHER_MODE_CFB */
kadonotakashi 0:8fdf9a60065b 1927
kadonotakashi 0:8fdf9a60065b 1928 #if defined(MBEDTLS_CIPHER_MODE_OFB)
kadonotakashi 0:8fdf9a60065b 1929 /*
kadonotakashi 0:8fdf9a60065b 1930 * OFB mode
kadonotakashi 0:8fdf9a60065b 1931 */
kadonotakashi 0:8fdf9a60065b 1932 for( i = 0; i < 6; i++ )
kadonotakashi 0:8fdf9a60065b 1933 {
kadonotakashi 0:8fdf9a60065b 1934 u = i >> 1;
kadonotakashi 0:8fdf9a60065b 1935 keybits = 128 + u * 64;
kadonotakashi 0:8fdf9a60065b 1936 mode = i & 1;
kadonotakashi 0:8fdf9a60065b 1937
kadonotakashi 0:8fdf9a60065b 1938 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1939 mbedtls_printf( " AES-OFB-%3d (%s): ", keybits,
kadonotakashi 0:8fdf9a60065b 1940 ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
kadonotakashi 0:8fdf9a60065b 1941
kadonotakashi 0:8fdf9a60065b 1942 memcpy( iv, aes_test_ofb_iv, 16 );
kadonotakashi 0:8fdf9a60065b 1943 memcpy( key, aes_test_ofb_key[u], keybits / 8 );
kadonotakashi 0:8fdf9a60065b 1944
kadonotakashi 0:8fdf9a60065b 1945 offset = 0;
kadonotakashi 0:8fdf9a60065b 1946 ret = mbedtls_aes_setkey_enc( &ctx, key, keybits );
kadonotakashi 0:8fdf9a60065b 1947 /*
kadonotakashi 0:8fdf9a60065b 1948 * AES-192 is an optional feature that may be unavailable when
kadonotakashi 0:8fdf9a60065b 1949 * there is an alternative underlying implementation i.e. when
kadonotakashi 0:8fdf9a60065b 1950 * MBEDTLS_AES_ALT is defined.
kadonotakashi 0:8fdf9a60065b 1951 */
kadonotakashi 0:8fdf9a60065b 1952 if( ret == MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE && keybits == 192 )
kadonotakashi 0:8fdf9a60065b 1953 {
kadonotakashi 0:8fdf9a60065b 1954 mbedtls_printf( "skipped\n" );
kadonotakashi 0:8fdf9a60065b 1955 continue;
kadonotakashi 0:8fdf9a60065b 1956 }
kadonotakashi 0:8fdf9a60065b 1957 else if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1958 {
kadonotakashi 0:8fdf9a60065b 1959 goto exit;
kadonotakashi 0:8fdf9a60065b 1960 }
kadonotakashi 0:8fdf9a60065b 1961
kadonotakashi 0:8fdf9a60065b 1962 if( mode == MBEDTLS_AES_DECRYPT )
kadonotakashi 0:8fdf9a60065b 1963 {
kadonotakashi 0:8fdf9a60065b 1964 memcpy( buf, aes_test_ofb_ct[u], 64 );
kadonotakashi 0:8fdf9a60065b 1965 aes_tests = aes_test_ofb_pt;
kadonotakashi 0:8fdf9a60065b 1966 }
kadonotakashi 0:8fdf9a60065b 1967 else
kadonotakashi 0:8fdf9a60065b 1968 {
kadonotakashi 0:8fdf9a60065b 1969 memcpy( buf, aes_test_ofb_pt, 64 );
kadonotakashi 0:8fdf9a60065b 1970 aes_tests = aes_test_ofb_ct[u];
kadonotakashi 0:8fdf9a60065b 1971 }
kadonotakashi 0:8fdf9a60065b 1972
kadonotakashi 0:8fdf9a60065b 1973 ret = mbedtls_aes_crypt_ofb( &ctx, 64, &offset, iv, buf, buf );
kadonotakashi 0:8fdf9a60065b 1974 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 1975 goto exit;
kadonotakashi 0:8fdf9a60065b 1976
kadonotakashi 0:8fdf9a60065b 1977 if( memcmp( buf, aes_tests, 64 ) != 0 )
kadonotakashi 0:8fdf9a60065b 1978 {
kadonotakashi 0:8fdf9a60065b 1979 ret = 1;
kadonotakashi 0:8fdf9a60065b 1980 goto exit;
kadonotakashi 0:8fdf9a60065b 1981 }
kadonotakashi 0:8fdf9a60065b 1982
kadonotakashi 0:8fdf9a60065b 1983 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1984 mbedtls_printf( "passed\n" );
kadonotakashi 0:8fdf9a60065b 1985 }
kadonotakashi 0:8fdf9a60065b 1986
kadonotakashi 0:8fdf9a60065b 1987 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 1988 mbedtls_printf( "\n" );
kadonotakashi 0:8fdf9a60065b 1989 #endif /* MBEDTLS_CIPHER_MODE_OFB */
kadonotakashi 0:8fdf9a60065b 1990
kadonotakashi 0:8fdf9a60065b 1991 #if defined(MBEDTLS_CIPHER_MODE_CTR)
kadonotakashi 0:8fdf9a60065b 1992 /*
kadonotakashi 0:8fdf9a60065b 1993 * CTR mode
kadonotakashi 0:8fdf9a60065b 1994 */
kadonotakashi 0:8fdf9a60065b 1995 for( i = 0; i < 6; i++ )
kadonotakashi 0:8fdf9a60065b 1996 {
kadonotakashi 0:8fdf9a60065b 1997 u = i >> 1;
kadonotakashi 0:8fdf9a60065b 1998 mode = i & 1;
kadonotakashi 0:8fdf9a60065b 1999
kadonotakashi 0:8fdf9a60065b 2000 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 2001 mbedtls_printf( " AES-CTR-128 (%s): ",
kadonotakashi 0:8fdf9a60065b 2002 ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
kadonotakashi 0:8fdf9a60065b 2003
kadonotakashi 0:8fdf9a60065b 2004 memcpy( nonce_counter, aes_test_ctr_nonce_counter[u], 16 );
kadonotakashi 0:8fdf9a60065b 2005 memcpy( key, aes_test_ctr_key[u], 16 );
kadonotakashi 0:8fdf9a60065b 2006
kadonotakashi 0:8fdf9a60065b 2007 offset = 0;
kadonotakashi 0:8fdf9a60065b 2008 if( ( ret = mbedtls_aes_setkey_enc( &ctx, key, 128 ) ) != 0 )
kadonotakashi 0:8fdf9a60065b 2009 goto exit;
kadonotakashi 0:8fdf9a60065b 2010
kadonotakashi 0:8fdf9a60065b 2011 len = aes_test_ctr_len[u];
kadonotakashi 0:8fdf9a60065b 2012
kadonotakashi 0:8fdf9a60065b 2013 if( mode == MBEDTLS_AES_DECRYPT )
kadonotakashi 0:8fdf9a60065b 2014 {
kadonotakashi 0:8fdf9a60065b 2015 memcpy( buf, aes_test_ctr_ct[u], len );
kadonotakashi 0:8fdf9a60065b 2016 aes_tests = aes_test_ctr_pt[u];
kadonotakashi 0:8fdf9a60065b 2017 }
kadonotakashi 0:8fdf9a60065b 2018 else
kadonotakashi 0:8fdf9a60065b 2019 {
kadonotakashi 0:8fdf9a60065b 2020 memcpy( buf, aes_test_ctr_pt[u], len );
kadonotakashi 0:8fdf9a60065b 2021 aes_tests = aes_test_ctr_ct[u];
kadonotakashi 0:8fdf9a60065b 2022 }
kadonotakashi 0:8fdf9a60065b 2023
kadonotakashi 0:8fdf9a60065b 2024 ret = mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter,
kadonotakashi 0:8fdf9a60065b 2025 stream_block, buf, buf );
kadonotakashi 0:8fdf9a60065b 2026 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 2027 goto exit;
kadonotakashi 0:8fdf9a60065b 2028
kadonotakashi 0:8fdf9a60065b 2029 if( memcmp( buf, aes_tests, len ) != 0 )
kadonotakashi 0:8fdf9a60065b 2030 {
kadonotakashi 0:8fdf9a60065b 2031 ret = 1;
kadonotakashi 0:8fdf9a60065b 2032 goto exit;
kadonotakashi 0:8fdf9a60065b 2033 }
kadonotakashi 0:8fdf9a60065b 2034
kadonotakashi 0:8fdf9a60065b 2035 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 2036 mbedtls_printf( "passed\n" );
kadonotakashi 0:8fdf9a60065b 2037 }
kadonotakashi 0:8fdf9a60065b 2038
kadonotakashi 0:8fdf9a60065b 2039 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 2040 mbedtls_printf( "\n" );
kadonotakashi 0:8fdf9a60065b 2041 #endif /* MBEDTLS_CIPHER_MODE_CTR */
kadonotakashi 0:8fdf9a60065b 2042
kadonotakashi 0:8fdf9a60065b 2043 #if defined(MBEDTLS_CIPHER_MODE_XTS)
kadonotakashi 0:8fdf9a60065b 2044 {
kadonotakashi 0:8fdf9a60065b 2045 static const int num_tests =
kadonotakashi 0:8fdf9a60065b 2046 sizeof(aes_test_xts_key) / sizeof(*aes_test_xts_key);
kadonotakashi 0:8fdf9a60065b 2047 mbedtls_aes_xts_context ctx_xts;
kadonotakashi 0:8fdf9a60065b 2048
kadonotakashi 0:8fdf9a60065b 2049 /*
kadonotakashi 0:8fdf9a60065b 2050 * XTS mode
kadonotakashi 0:8fdf9a60065b 2051 */
kadonotakashi 0:8fdf9a60065b 2052 mbedtls_aes_xts_init( &ctx_xts );
kadonotakashi 0:8fdf9a60065b 2053
kadonotakashi 0:8fdf9a60065b 2054 for( i = 0; i < num_tests << 1; i++ )
kadonotakashi 0:8fdf9a60065b 2055 {
kadonotakashi 0:8fdf9a60065b 2056 const unsigned char *data_unit;
kadonotakashi 0:8fdf9a60065b 2057 u = i >> 1;
kadonotakashi 0:8fdf9a60065b 2058 mode = i & 1;
kadonotakashi 0:8fdf9a60065b 2059
kadonotakashi 0:8fdf9a60065b 2060 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 2061 mbedtls_printf( " AES-XTS-128 (%s): ",
kadonotakashi 0:8fdf9a60065b 2062 ( mode == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
kadonotakashi 0:8fdf9a60065b 2063
kadonotakashi 0:8fdf9a60065b 2064 memset( key, 0, sizeof( key ) );
kadonotakashi 0:8fdf9a60065b 2065 memcpy( key, aes_test_xts_key[u], 32 );
kadonotakashi 0:8fdf9a60065b 2066 data_unit = aes_test_xts_data_unit[u];
kadonotakashi 0:8fdf9a60065b 2067
kadonotakashi 0:8fdf9a60065b 2068 len = sizeof( *aes_test_xts_ct32 );
kadonotakashi 0:8fdf9a60065b 2069
kadonotakashi 0:8fdf9a60065b 2070 if( mode == MBEDTLS_AES_DECRYPT )
kadonotakashi 0:8fdf9a60065b 2071 {
kadonotakashi 0:8fdf9a60065b 2072 ret = mbedtls_aes_xts_setkey_dec( &ctx_xts, key, 256 );
kadonotakashi 0:8fdf9a60065b 2073 if( ret != 0)
kadonotakashi 0:8fdf9a60065b 2074 goto exit;
kadonotakashi 0:8fdf9a60065b 2075 memcpy( buf, aes_test_xts_ct32[u], len );
kadonotakashi 0:8fdf9a60065b 2076 aes_tests = aes_test_xts_pt32[u];
kadonotakashi 0:8fdf9a60065b 2077 }
kadonotakashi 0:8fdf9a60065b 2078 else
kadonotakashi 0:8fdf9a60065b 2079 {
kadonotakashi 0:8fdf9a60065b 2080 ret = mbedtls_aes_xts_setkey_enc( &ctx_xts, key, 256 );
kadonotakashi 0:8fdf9a60065b 2081 if( ret != 0)
kadonotakashi 0:8fdf9a60065b 2082 goto exit;
kadonotakashi 0:8fdf9a60065b 2083 memcpy( buf, aes_test_xts_pt32[u], len );
kadonotakashi 0:8fdf9a60065b 2084 aes_tests = aes_test_xts_ct32[u];
kadonotakashi 0:8fdf9a60065b 2085 }
kadonotakashi 0:8fdf9a60065b 2086
kadonotakashi 0:8fdf9a60065b 2087
kadonotakashi 0:8fdf9a60065b 2088 ret = mbedtls_aes_crypt_xts( &ctx_xts, mode, len, data_unit,
kadonotakashi 0:8fdf9a60065b 2089 buf, buf );
kadonotakashi 0:8fdf9a60065b 2090 if( ret != 0 )
kadonotakashi 0:8fdf9a60065b 2091 goto exit;
kadonotakashi 0:8fdf9a60065b 2092
kadonotakashi 0:8fdf9a60065b 2093 if( memcmp( buf, aes_tests, len ) != 0 )
kadonotakashi 0:8fdf9a60065b 2094 {
kadonotakashi 0:8fdf9a60065b 2095 ret = 1;
kadonotakashi 0:8fdf9a60065b 2096 goto exit;
kadonotakashi 0:8fdf9a60065b 2097 }
kadonotakashi 0:8fdf9a60065b 2098
kadonotakashi 0:8fdf9a60065b 2099 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 2100 mbedtls_printf( "passed\n" );
kadonotakashi 0:8fdf9a60065b 2101 }
kadonotakashi 0:8fdf9a60065b 2102
kadonotakashi 0:8fdf9a60065b 2103 if( verbose != 0 )
kadonotakashi 0:8fdf9a60065b 2104 mbedtls_printf( "\n" );
kadonotakashi 0:8fdf9a60065b 2105
kadonotakashi 0:8fdf9a60065b 2106 mbedtls_aes_xts_free( &ctx_xts );
kadonotakashi 0:8fdf9a60065b 2107 }
kadonotakashi 0:8fdf9a60065b 2108 #endif /* MBEDTLS_CIPHER_MODE_XTS */
kadonotakashi 0:8fdf9a60065b 2109
kadonotakashi 0:8fdf9a60065b 2110 ret = 0;
kadonotakashi 0:8fdf9a60065b 2111
kadonotakashi 0:8fdf9a60065b 2112 exit:
kadonotakashi 0:8fdf9a60065b 2113 if( ret != 0 && verbose != 0 )
kadonotakashi 0:8fdf9a60065b 2114 mbedtls_printf( "failed\n" );
kadonotakashi 0:8fdf9a60065b 2115
kadonotakashi 0:8fdf9a60065b 2116 mbedtls_aes_free( &ctx );
kadonotakashi 0:8fdf9a60065b 2117
kadonotakashi 0:8fdf9a60065b 2118 return( ret );
kadonotakashi 0:8fdf9a60065b 2119 }
kadonotakashi 0:8fdf9a60065b 2120
kadonotakashi 0:8fdf9a60065b 2121 #endif /* MBEDTLS_SELF_TEST */
kadonotakashi 0:8fdf9a60065b 2122
kadonotakashi 0:8fdf9a60065b 2123 #endif /* MBEDTLS_AES_C */