Timothy Beight / Mbed 2 deprecated 6_songs-from-the-cloud

This is a fork due to permission issues

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of 6_songs-from-the-cloud by MakingMusicWorkshop

mbed-client/mbedtls/source/aes.c@1:0ddbe2d3319c, 2016-05-19 (annotated)

Committer:
timbeight
Date:
Thu May 19 16:02:10 2016 +0000
Revision:
1:0ddbe2d3319c
Parent:
0:f7c60d3e7b8a 
This is my first commit while in the class.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maclobdell 0:f7c60d3e7b8a 1 /*
maclobdell 0:f7c60d3e7b8a 2 * FIPS-197 compliant AES implementation
maclobdell 0:f7c60d3e7b8a 3 *
maclobdell 0:f7c60d3e7b8a 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
maclobdell 0:f7c60d3e7b8a 5 * SPDX-License-Identifier: Apache-2.0
maclobdell 0:f7c60d3e7b8a 6 *
maclobdell 0:f7c60d3e7b8a 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
maclobdell 0:f7c60d3e7b8a 8 * not use this file except in compliance with the License.
maclobdell 0:f7c60d3e7b8a 9 * You may obtain a copy of the License at
maclobdell 0:f7c60d3e7b8a 10 *
maclobdell 0:f7c60d3e7b8a 11 * http://www.apache.org/licenses/LICENSE-2.0
maclobdell 0:f7c60d3e7b8a 12 *
maclobdell 0:f7c60d3e7b8a 13 * Unless required by applicable law or agreed to in writing, software
maclobdell 0:f7c60d3e7b8a 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
maclobdell 0:f7c60d3e7b8a 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
maclobdell 0:f7c60d3e7b8a 16 * See the License for the specific language governing permissions and
maclobdell 0:f7c60d3e7b8a 17 * limitations under the License.
maclobdell 0:f7c60d3e7b8a 18 *
maclobdell 0:f7c60d3e7b8a 19 * This file is part of mbed TLS (https://tls.mbed.org)
maclobdell 0:f7c60d3e7b8a 20 */
maclobdell 0:f7c60d3e7b8a 21 /*
maclobdell 0:f7c60d3e7b8a 22 * The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
maclobdell 0:f7c60d3e7b8a 23 *
maclobdell 0:f7c60d3e7b8a 24 * http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
maclobdell 0:f7c60d3e7b8a 25 * http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
maclobdell 0:f7c60d3e7b8a 26 */
maclobdell 0:f7c60d3e7b8a 27
maclobdell 0:f7c60d3e7b8a 28 #if !defined(MBEDTLS_CONFIG_FILE)
maclobdell 0:f7c60d3e7b8a 29 #include "mbedtls/config.h"
maclobdell 0:f7c60d3e7b8a 30 #else
maclobdell 0:f7c60d3e7b8a 31 #include MBEDTLS_CONFIG_FILE
maclobdell 0:f7c60d3e7b8a 32 #endif
maclobdell 0:f7c60d3e7b8a 33
maclobdell 0:f7c60d3e7b8a 34 #if defined(MBEDTLS_AES_C)
maclobdell 0:f7c60d3e7b8a 35
maclobdell 0:f7c60d3e7b8a 36 #include <string.h>
maclobdell 0:f7c60d3e7b8a 37
maclobdell 0:f7c60d3e7b8a 38 #include "mbedtls/aes.h"
maclobdell 0:f7c60d3e7b8a 39 #if defined(MBEDTLS_PADLOCK_C)
maclobdell 0:f7c60d3e7b8a 40 #include "mbedtls/padlock.h"
maclobdell 0:f7c60d3e7b8a 41 #endif
maclobdell 0:f7c60d3e7b8a 42 #if defined(MBEDTLS_AESNI_C)
maclobdell 0:f7c60d3e7b8a 43 #include "mbedtls/aesni.h"
maclobdell 0:f7c60d3e7b8a 44 #endif
maclobdell 0:f7c60d3e7b8a 45
maclobdell 0:f7c60d3e7b8a 46 #if defined(MBEDTLS_SELF_TEST)
maclobdell 0:f7c60d3e7b8a 47 #if defined(MBEDTLS_PLATFORM_C)
maclobdell 0:f7c60d3e7b8a 48 #include "mbedtls/platform.h"
maclobdell 0:f7c60d3e7b8a 49 #else
maclobdell 0:f7c60d3e7b8a 50 #include <stdio.h>
maclobdell 0:f7c60d3e7b8a 51 #define mbedtls_printf printf
maclobdell 0:f7c60d3e7b8a 52 #endif /* MBEDTLS_PLATFORM_C */
maclobdell 0:f7c60d3e7b8a 53 #endif /* MBEDTLS_SELF_TEST */
maclobdell 0:f7c60d3e7b8a 54
maclobdell 0:f7c60d3e7b8a 55 #if !defined(MBEDTLS_AES_ALT)
maclobdell 0:f7c60d3e7b8a 56
maclobdell 0:f7c60d3e7b8a 57 /* Implementation that should never be optimized out by the compiler */
maclobdell 0:f7c60d3e7b8a 58 static void mbedtls_zeroize( void *v, size_t n ) {
maclobdell 0:f7c60d3e7b8a 59 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
maclobdell 0:f7c60d3e7b8a 60 }
maclobdell 0:f7c60d3e7b8a 61
maclobdell 0:f7c60d3e7b8a 62 /*
maclobdell 0:f7c60d3e7b8a 63 * 32-bit integer manipulation macros (little endian)
maclobdell 0:f7c60d3e7b8a 64 */
maclobdell 0:f7c60d3e7b8a 65 #ifndef GET_UINT32_LE
maclobdell 0:f7c60d3e7b8a 66 #define GET_UINT32_LE(n,b,i) \
maclobdell 0:f7c60d3e7b8a 67 { \
maclobdell 0:f7c60d3e7b8a 68 (n) = ( (uint32_t) (b)[(i) ] ) \
maclobdell 0:f7c60d3e7b8a 69 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
maclobdell 0:f7c60d3e7b8a 70 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
maclobdell 0:f7c60d3e7b8a 71 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
maclobdell 0:f7c60d3e7b8a 72 }
maclobdell 0:f7c60d3e7b8a 73 #endif
maclobdell 0:f7c60d3e7b8a 74
maclobdell 0:f7c60d3e7b8a 75 #ifndef PUT_UINT32_LE
maclobdell 0:f7c60d3e7b8a 76 #define PUT_UINT32_LE(n,b,i) \
maclobdell 0:f7c60d3e7b8a 77 { \
maclobdell 0:f7c60d3e7b8a 78 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
maclobdell 0:f7c60d3e7b8a 79 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
maclobdell 0:f7c60d3e7b8a 80 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
maclobdell 0:f7c60d3e7b8a 81 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
maclobdell 0:f7c60d3e7b8a 82 }
maclobdell 0:f7c60d3e7b8a 83 #endif
maclobdell 0:f7c60d3e7b8a 84
maclobdell 0:f7c60d3e7b8a 85 #if defined(MBEDTLS_PADLOCK_C) && \
maclobdell 0:f7c60d3e7b8a 86 ( defined(MBEDTLS_HAVE_X86) || defined(MBEDTLS_PADLOCK_ALIGN16) )
maclobdell 0:f7c60d3e7b8a 87 static int aes_padlock_ace = -1;
maclobdell 0:f7c60d3e7b8a 88 #endif
maclobdell 0:f7c60d3e7b8a 89
maclobdell 0:f7c60d3e7b8a 90 #if defined(MBEDTLS_AES_ROM_TABLES)
maclobdell 0:f7c60d3e7b8a 91 /*
maclobdell 0:f7c60d3e7b8a 92 * Forward S-box
maclobdell 0:f7c60d3e7b8a 93 */
maclobdell 0:f7c60d3e7b8a 94 static const unsigned char FSb[256] =
maclobdell 0:f7c60d3e7b8a 95 {
maclobdell 0:f7c60d3e7b8a 96 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
maclobdell 0:f7c60d3e7b8a 97 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
maclobdell 0:f7c60d3e7b8a 98 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
maclobdell 0:f7c60d3e7b8a 99 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
maclobdell 0:f7c60d3e7b8a 100 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
maclobdell 0:f7c60d3e7b8a 101 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
maclobdell 0:f7c60d3e7b8a 102 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
maclobdell 0:f7c60d3e7b8a 103 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
maclobdell 0:f7c60d3e7b8a 104 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
maclobdell 0:f7c60d3e7b8a 105 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
maclobdell 0:f7c60d3e7b8a 106 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
maclobdell 0:f7c60d3e7b8a 107 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
maclobdell 0:f7c60d3e7b8a 108 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
maclobdell 0:f7c60d3e7b8a 109 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
maclobdell 0:f7c60d3e7b8a 110 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
maclobdell 0:f7c60d3e7b8a 111 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
maclobdell 0:f7c60d3e7b8a 112 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
maclobdell 0:f7c60d3e7b8a 113 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
maclobdell 0:f7c60d3e7b8a 114 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
maclobdell 0:f7c60d3e7b8a 115 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
maclobdell 0:f7c60d3e7b8a 116 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
maclobdell 0:f7c60d3e7b8a 117 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
maclobdell 0:f7c60d3e7b8a 118 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
maclobdell 0:f7c60d3e7b8a 119 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
maclobdell 0:f7c60d3e7b8a 120 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
maclobdell 0:f7c60d3e7b8a 121 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
maclobdell 0:f7c60d3e7b8a 122 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
maclobdell 0:f7c60d3e7b8a 123 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
maclobdell 0:f7c60d3e7b8a 124 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
maclobdell 0:f7c60d3e7b8a 125 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
maclobdell 0:f7c60d3e7b8a 126 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
maclobdell 0:f7c60d3e7b8a 127 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
maclobdell 0:f7c60d3e7b8a 128 };
maclobdell 0:f7c60d3e7b8a 129
maclobdell 0:f7c60d3e7b8a 130 /*
maclobdell 0:f7c60d3e7b8a 131 * Forward tables
maclobdell 0:f7c60d3e7b8a 132 */
maclobdell 0:f7c60d3e7b8a 133 #define FT \
maclobdell 0:f7c60d3e7b8a 134 \
maclobdell 0:f7c60d3e7b8a 135 V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \
maclobdell 0:f7c60d3e7b8a 136 V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \
maclobdell 0:f7c60d3e7b8a 137 V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \
maclobdell 0:f7c60d3e7b8a 138 V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \
maclobdell 0:f7c60d3e7b8a 139 V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \
maclobdell 0:f7c60d3e7b8a 140 V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \
maclobdell 0:f7c60d3e7b8a 141 V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \
maclobdell 0:f7c60d3e7b8a 142 V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \
maclobdell 0:f7c60d3e7b8a 143 V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \
maclobdell 0:f7c60d3e7b8a 144 V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \
maclobdell 0:f7c60d3e7b8a 145 V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \
maclobdell 0:f7c60d3e7b8a 146 V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \
maclobdell 0:f7c60d3e7b8a 147 V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \
maclobdell 0:f7c60d3e7b8a 148 V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \
maclobdell 0:f7c60d3e7b8a 149 V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \
maclobdell 0:f7c60d3e7b8a 150 V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \
maclobdell 0:f7c60d3e7b8a 151 V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \
maclobdell 0:f7c60d3e7b8a 152 V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \
maclobdell 0:f7c60d3e7b8a 153 V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \
maclobdell 0:f7c60d3e7b8a 154 V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \
maclobdell 0:f7c60d3e7b8a 155 V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \
maclobdell 0:f7c60d3e7b8a 156 V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \
maclobdell 0:f7c60d3e7b8a 157 V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \
maclobdell 0:f7c60d3e7b8a 158 V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \
maclobdell 0:f7c60d3e7b8a 159 V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \
maclobdell 0:f7c60d3e7b8a 160 V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \
maclobdell 0:f7c60d3e7b8a 161 V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \
maclobdell 0:f7c60d3e7b8a 162 V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \
maclobdell 0:f7c60d3e7b8a 163 V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \
maclobdell 0:f7c60d3e7b8a 164 V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \
maclobdell 0:f7c60d3e7b8a 165 V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \
maclobdell 0:f7c60d3e7b8a 166 V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \
maclobdell 0:f7c60d3e7b8a 167 V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \
maclobdell 0:f7c60d3e7b8a 168 V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \
maclobdell 0:f7c60d3e7b8a 169 V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \
maclobdell 0:f7c60d3e7b8a 170 V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \
maclobdell 0:f7c60d3e7b8a 171 V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \
maclobdell 0:f7c60d3e7b8a 172 V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \
maclobdell 0:f7c60d3e7b8a 173 V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \
maclobdell 0:f7c60d3e7b8a 174 V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \
maclobdell 0:f7c60d3e7b8a 175 V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \
maclobdell 0:f7c60d3e7b8a 176 V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \
maclobdell 0:f7c60d3e7b8a 177 V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \
maclobdell 0:f7c60d3e7b8a 178 V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \
maclobdell 0:f7c60d3e7b8a 179 V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \
maclobdell 0:f7c60d3e7b8a 180 V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \
maclobdell 0:f7c60d3e7b8a 181 V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \
maclobdell 0:f7c60d3e7b8a 182 V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \
maclobdell 0:f7c60d3e7b8a 183 V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \
maclobdell 0:f7c60d3e7b8a 184 V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \
maclobdell 0:f7c60d3e7b8a 185 V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \
maclobdell 0:f7c60d3e7b8a 186 V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \
maclobdell 0:f7c60d3e7b8a 187 V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \
maclobdell 0:f7c60d3e7b8a 188 V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \
maclobdell 0:f7c60d3e7b8a 189 V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \
maclobdell 0:f7c60d3e7b8a 190 V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \
maclobdell 0:f7c60d3e7b8a 191 V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \
maclobdell 0:f7c60d3e7b8a 192 V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \
maclobdell 0:f7c60d3e7b8a 193 V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \
maclobdell 0:f7c60d3e7b8a 194 V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \
maclobdell 0:f7c60d3e7b8a 195 V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \
maclobdell 0:f7c60d3e7b8a 196 V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \
maclobdell 0:f7c60d3e7b8a 197 V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \
maclobdell 0:f7c60d3e7b8a 198 V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C)
maclobdell 0:f7c60d3e7b8a 199
maclobdell 0:f7c60d3e7b8a 200 #define V(a,b,c,d) 0x##a##b##c##d
maclobdell 0:f7c60d3e7b8a 201 static const uint32_t FT0[256] = { FT };
maclobdell 0:f7c60d3e7b8a 202 #undef V
maclobdell 0:f7c60d3e7b8a 203
maclobdell 0:f7c60d3e7b8a 204 #define V(a,b,c,d) 0x##b##c##d##a
maclobdell 0:f7c60d3e7b8a 205 static const uint32_t FT1[256] = { FT };
maclobdell 0:f7c60d3e7b8a 206 #undef V
maclobdell 0:f7c60d3e7b8a 207
maclobdell 0:f7c60d3e7b8a 208 #define V(a,b,c,d) 0x##c##d##a##b
maclobdell 0:f7c60d3e7b8a 209 static const uint32_t FT2[256] = { FT };
maclobdell 0:f7c60d3e7b8a 210 #undef V
maclobdell 0:f7c60d3e7b8a 211
maclobdell 0:f7c60d3e7b8a 212 #define V(a,b,c,d) 0x##d##a##b##c
maclobdell 0:f7c60d3e7b8a 213 static const uint32_t FT3[256] = { FT };
maclobdell 0:f7c60d3e7b8a 214 #undef V
maclobdell 0:f7c60d3e7b8a 215
maclobdell 0:f7c60d3e7b8a 216 #undef FT
maclobdell 0:f7c60d3e7b8a 217
maclobdell 0:f7c60d3e7b8a 218 /*
maclobdell 0:f7c60d3e7b8a 219 * Reverse S-box
maclobdell 0:f7c60d3e7b8a 220 */
maclobdell 0:f7c60d3e7b8a 221 static const unsigned char RSb[256] =
maclobdell 0:f7c60d3e7b8a 222 {
maclobdell 0:f7c60d3e7b8a 223 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
maclobdell 0:f7c60d3e7b8a 224 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
maclobdell 0:f7c60d3e7b8a 225 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
maclobdell 0:f7c60d3e7b8a 226 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
maclobdell 0:f7c60d3e7b8a 227 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
maclobdell 0:f7c60d3e7b8a 228 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
maclobdell 0:f7c60d3e7b8a 229 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
maclobdell 0:f7c60d3e7b8a 230 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
maclobdell 0:f7c60d3e7b8a 231 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
maclobdell 0:f7c60d3e7b8a 232 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
maclobdell 0:f7c60d3e7b8a 233 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
maclobdell 0:f7c60d3e7b8a 234 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
maclobdell 0:f7c60d3e7b8a 235 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
maclobdell 0:f7c60d3e7b8a 236 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
maclobdell 0:f7c60d3e7b8a 237 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
maclobdell 0:f7c60d3e7b8a 238 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
maclobdell 0:f7c60d3e7b8a 239 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
maclobdell 0:f7c60d3e7b8a 240 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
maclobdell 0:f7c60d3e7b8a 241 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
maclobdell 0:f7c60d3e7b8a 242 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
maclobdell 0:f7c60d3e7b8a 243 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
maclobdell 0:f7c60d3e7b8a 244 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
maclobdell 0:f7c60d3e7b8a 245 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
maclobdell 0:f7c60d3e7b8a 246 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
maclobdell 0:f7c60d3e7b8a 247 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
maclobdell 0:f7c60d3e7b8a 248 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
maclobdell 0:f7c60d3e7b8a 249 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
maclobdell 0:f7c60d3e7b8a 250 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
maclobdell 0:f7c60d3e7b8a 251 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
maclobdell 0:f7c60d3e7b8a 252 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
maclobdell 0:f7c60d3e7b8a 253 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
maclobdell 0:f7c60d3e7b8a 254 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
maclobdell 0:f7c60d3e7b8a 255 };
maclobdell 0:f7c60d3e7b8a 256
maclobdell 0:f7c60d3e7b8a 257 /*
maclobdell 0:f7c60d3e7b8a 258 * Reverse tables
maclobdell 0:f7c60d3e7b8a 259 */
maclobdell 0:f7c60d3e7b8a 260 #define RT \
maclobdell 0:f7c60d3e7b8a 261 \
maclobdell 0:f7c60d3e7b8a 262 V(50,A7,F4,51), V(53,65,41,7E), V(C3,A4,17,1A), V(96,5E,27,3A), \
maclobdell 0:f7c60d3e7b8a 263 V(CB,6B,AB,3B), V(F1,45,9D,1F), V(AB,58,FA,AC), V(93,03,E3,4B), \
maclobdell 0:f7c60d3e7b8a 264 V(55,FA,30,20), V(F6,6D,76,AD), V(91,76,CC,88), V(25,4C,02,F5), \
maclobdell 0:f7c60d3e7b8a 265 V(FC,D7,E5,4F), V(D7,CB,2A,C5), V(80,44,35,26), V(8F,A3,62,B5), \
maclobdell 0:f7c60d3e7b8a 266 V(49,5A,B1,DE), V(67,1B,BA,25), V(98,0E,EA,45), V(E1,C0,FE,5D), \
maclobdell 0:f7c60d3e7b8a 267 V(02,75,2F,C3), V(12,F0,4C,81), V(A3,97,46,8D), V(C6,F9,D3,6B), \
maclobdell 0:f7c60d3e7b8a 268 V(E7,5F,8F,03), V(95,9C,92,15), V(EB,7A,6D,BF), V(DA,59,52,95), \
maclobdell 0:f7c60d3e7b8a 269 V(2D,83,BE,D4), V(D3,21,74,58), V(29,69,E0,49), V(44,C8,C9,8E), \
maclobdell 0:f7c60d3e7b8a 270 V(6A,89,C2,75), V(78,79,8E,F4), V(6B,3E,58,99), V(DD,71,B9,27), \
maclobdell 0:f7c60d3e7b8a 271 V(B6,4F,E1,BE), V(17,AD,88,F0), V(66,AC,20,C9), V(B4,3A,CE,7D), \
maclobdell 0:f7c60d3e7b8a 272 V(18,4A,DF,63), V(82,31,1A,E5), V(60,33,51,97), V(45,7F,53,62), \
maclobdell 0:f7c60d3e7b8a 273 V(E0,77,64,B1), V(84,AE,6B,BB), V(1C,A0,81,FE), V(94,2B,08,F9), \
maclobdell 0:f7c60d3e7b8a 274 V(58,68,48,70), V(19,FD,45,8F), V(87,6C,DE,94), V(B7,F8,7B,52), \
maclobdell 0:f7c60d3e7b8a 275 V(23,D3,73,AB), V(E2,02,4B,72), V(57,8F,1F,E3), V(2A,AB,55,66), \
maclobdell 0:f7c60d3e7b8a 276 V(07,28,EB,B2), V(03,C2,B5,2F), V(9A,7B,C5,86), V(A5,08,37,D3), \
maclobdell 0:f7c60d3e7b8a 277 V(F2,87,28,30), V(B2,A5,BF,23), V(BA,6A,03,02), V(5C,82,16,ED), \
maclobdell 0:f7c60d3e7b8a 278 V(2B,1C,CF,8A), V(92,B4,79,A7), V(F0,F2,07,F3), V(A1,E2,69,4E), \
maclobdell 0:f7c60d3e7b8a 279 V(CD,F4,DA,65), V(D5,BE,05,06), V(1F,62,34,D1), V(8A,FE,A6,C4), \
maclobdell 0:f7c60d3e7b8a 280 V(9D,53,2E,34), V(A0,55,F3,A2), V(32,E1,8A,05), V(75,EB,F6,A4), \
maclobdell 0:f7c60d3e7b8a 281 V(39,EC,83,0B), V(AA,EF,60,40), V(06,9F,71,5E), V(51,10,6E,BD), \
maclobdell 0:f7c60d3e7b8a 282 V(F9,8A,21,3E), V(3D,06,DD,96), V(AE,05,3E,DD), V(46,BD,E6,4D), \
maclobdell 0:f7c60d3e7b8a 283 V(B5,8D,54,91), V(05,5D,C4,71), V(6F,D4,06,04), V(FF,15,50,60), \
maclobdell 0:f7c60d3e7b8a 284 V(24,FB,98,19), V(97,E9,BD,D6), V(CC,43,40,89), V(77,9E,D9,67), \
maclobdell 0:f7c60d3e7b8a 285 V(BD,42,E8,B0), V(88,8B,89,07), V(38,5B,19,E7), V(DB,EE,C8,79), \
maclobdell 0:f7c60d3e7b8a 286 V(47,0A,7C,A1), V(E9,0F,42,7C), V(C9,1E,84,F8), V(00,00,00,00), \
maclobdell 0:f7c60d3e7b8a 287 V(83,86,80,09), V(48,ED,2B,32), V(AC,70,11,1E), V(4E,72,5A,6C), \
maclobdell 0:f7c60d3e7b8a 288 V(FB,FF,0E,FD), V(56,38,85,0F), V(1E,D5,AE,3D), V(27,39,2D,36), \
maclobdell 0:f7c60d3e7b8a 289 V(64,D9,0F,0A), V(21,A6,5C,68), V(D1,54,5B,9B), V(3A,2E,36,24), \
maclobdell 0:f7c60d3e7b8a 290 V(B1,67,0A,0C), V(0F,E7,57,93), V(D2,96,EE,B4), V(9E,91,9B,1B), \
maclobdell 0:f7c60d3e7b8a 291 V(4F,C5,C0,80), V(A2,20,DC,61), V(69,4B,77,5A), V(16,1A,12,1C), \
maclobdell 0:f7c60d3e7b8a 292 V(0A,BA,93,E2), V(E5,2A,A0,C0), V(43,E0,22,3C), V(1D,17,1B,12), \
maclobdell 0:f7c60d3e7b8a 293 V(0B,0D,09,0E), V(AD,C7,8B,F2), V(B9,A8,B6,2D), V(C8,A9,1E,14), \
maclobdell 0:f7c60d3e7b8a 294 V(85,19,F1,57), V(4C,07,75,AF), V(BB,DD,99,EE), V(FD,60,7F,A3), \
maclobdell 0:f7c60d3e7b8a 295 V(9F,26,01,F7), V(BC,F5,72,5C), V(C5,3B,66,44), V(34,7E,FB,5B), \
maclobdell 0:f7c60d3e7b8a 296 V(76,29,43,8B), V(DC,C6,23,CB), V(68,FC,ED,B6), V(63,F1,E4,B8), \
maclobdell 0:f7c60d3e7b8a 297 V(CA,DC,31,D7), V(10,85,63,42), V(40,22,97,13), V(20,11,C6,84), \
maclobdell 0:f7c60d3e7b8a 298 V(7D,24,4A,85), V(F8,3D,BB,D2), V(11,32,F9,AE), V(6D,A1,29,C7), \
maclobdell 0:f7c60d3e7b8a 299 V(4B,2F,9E,1D), V(F3,30,B2,DC), V(EC,52,86,0D), V(D0,E3,C1,77), \
maclobdell 0:f7c60d3e7b8a 300 V(6C,16,B3,2B), V(99,B9,70,A9), V(FA,48,94,11), V(22,64,E9,47), \
maclobdell 0:f7c60d3e7b8a 301 V(C4,8C,FC,A8), V(1A,3F,F0,A0), V(D8,2C,7D,56), V(EF,90,33,22), \
maclobdell 0:f7c60d3e7b8a 302 V(C7,4E,49,87), V(C1,D1,38,D9), V(FE,A2,CA,8C), V(36,0B,D4,98), \
maclobdell 0:f7c60d3e7b8a 303 V(CF,81,F5,A6), V(28,DE,7A,A5), V(26,8E,B7,DA), V(A4,BF,AD,3F), \
maclobdell 0:f7c60d3e7b8a 304 V(E4,9D,3A,2C), V(0D,92,78,50), V(9B,CC,5F,6A), V(62,46,7E,54), \
maclobdell 0:f7c60d3e7b8a 305 V(C2,13,8D,F6), V(E8,B8,D8,90), V(5E,F7,39,2E), V(F5,AF,C3,82), \
maclobdell 0:f7c60d3e7b8a 306 V(BE,80,5D,9F), V(7C,93,D0,69), V(A9,2D,D5,6F), V(B3,12,25,CF), \
maclobdell 0:f7c60d3e7b8a 307 V(3B,99,AC,C8), V(A7,7D,18,10), V(6E,63,9C,E8), V(7B,BB,3B,DB), \
maclobdell 0:f7c60d3e7b8a 308 V(09,78,26,CD), V(F4,18,59,6E), V(01,B7,9A,EC), V(A8,9A,4F,83), \
maclobdell 0:f7c60d3e7b8a 309 V(65,6E,95,E6), V(7E,E6,FF,AA), V(08,CF,BC,21), V(E6,E8,15,EF), \
maclobdell 0:f7c60d3e7b8a 310 V(D9,9B,E7,BA), V(CE,36,6F,4A), V(D4,09,9F,EA), V(D6,7C,B0,29), \
maclobdell 0:f7c60d3e7b8a 311 V(AF,B2,A4,31), V(31,23,3F,2A), V(30,94,A5,C6), V(C0,66,A2,35), \
maclobdell 0:f7c60d3e7b8a 312 V(37,BC,4E,74), V(A6,CA,82,FC), V(B0,D0,90,E0), V(15,D8,A7,33), \
maclobdell 0:f7c60d3e7b8a 313 V(4A,98,04,F1), V(F7,DA,EC,41), V(0E,50,CD,7F), V(2F,F6,91,17), \
maclobdell 0:f7c60d3e7b8a 314 V(8D,D6,4D,76), V(4D,B0,EF,43), V(54,4D,AA,CC), V(DF,04,96,E4), \
maclobdell 0:f7c60d3e7b8a 315 V(E3,B5,D1,9E), V(1B,88,6A,4C), V(B8,1F,2C,C1), V(7F,51,65,46), \
maclobdell 0:f7c60d3e7b8a 316 V(04,EA,5E,9D), V(5D,35,8C,01), V(73,74,87,FA), V(2E,41,0B,FB), \
maclobdell 0:f7c60d3e7b8a 317 V(5A,1D,67,B3), V(52,D2,DB,92), V(33,56,10,E9), V(13,47,D6,6D), \
maclobdell 0:f7c60d3e7b8a 318 V(8C,61,D7,9A), V(7A,0C,A1,37), V(8E,14,F8,59), V(89,3C,13,EB), \
maclobdell 0:f7c60d3e7b8a 319 V(EE,27,A9,CE), V(35,C9,61,B7), V(ED,E5,1C,E1), V(3C,B1,47,7A), \
maclobdell 0:f7c60d3e7b8a 320 V(59,DF,D2,9C), V(3F,73,F2,55), V(79,CE,14,18), V(BF,37,C7,73), \
maclobdell 0:f7c60d3e7b8a 321 V(EA,CD,F7,53), V(5B,AA,FD,5F), V(14,6F,3D,DF), V(86,DB,44,78), \
maclobdell 0:f7c60d3e7b8a 322 V(81,F3,AF,CA), V(3E,C4,68,B9), V(2C,34,24,38), V(5F,40,A3,C2), \
maclobdell 0:f7c60d3e7b8a 323 V(72,C3,1D,16), V(0C,25,E2,BC), V(8B,49,3C,28), V(41,95,0D,FF), \
maclobdell 0:f7c60d3e7b8a 324 V(71,01,A8,39), V(DE,B3,0C,08), V(9C,E4,B4,D8), V(90,C1,56,64), \
maclobdell 0:f7c60d3e7b8a 325 V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0)
maclobdell 0:f7c60d3e7b8a 326
maclobdell 0:f7c60d3e7b8a 327 #define V(a,b,c,d) 0x##a##b##c##d
maclobdell 0:f7c60d3e7b8a 328 static const uint32_t RT0[256] = { RT };
maclobdell 0:f7c60d3e7b8a 329 #undef V
maclobdell 0:f7c60d3e7b8a 330
maclobdell 0:f7c60d3e7b8a 331 #define V(a,b,c,d) 0x##b##c##d##a
maclobdell 0:f7c60d3e7b8a 332 static const uint32_t RT1[256] = { RT };
maclobdell 0:f7c60d3e7b8a 333 #undef V
maclobdell 0:f7c60d3e7b8a 334
maclobdell 0:f7c60d3e7b8a 335 #define V(a,b,c,d) 0x##c##d##a##b
maclobdell 0:f7c60d3e7b8a 336 static const uint32_t RT2[256] = { RT };
maclobdell 0:f7c60d3e7b8a 337 #undef V
maclobdell 0:f7c60d3e7b8a 338
maclobdell 0:f7c60d3e7b8a 339 #define V(a,b,c,d) 0x##d##a##b##c
maclobdell 0:f7c60d3e7b8a 340 static const uint32_t RT3[256] = { RT };
maclobdell 0:f7c60d3e7b8a 341 #undef V
maclobdell 0:f7c60d3e7b8a 342
maclobdell 0:f7c60d3e7b8a 343 #undef RT
maclobdell 0:f7c60d3e7b8a 344
maclobdell 0:f7c60d3e7b8a 345 /*
maclobdell 0:f7c60d3e7b8a 346 * Round constants
maclobdell 0:f7c60d3e7b8a 347 */
maclobdell 0:f7c60d3e7b8a 348 static const uint32_t RCON[10] =
maclobdell 0:f7c60d3e7b8a 349 {
maclobdell 0:f7c60d3e7b8a 350 0x00000001, 0x00000002, 0x00000004, 0x00000008,
maclobdell 0:f7c60d3e7b8a 351 0x00000010, 0x00000020, 0x00000040, 0x00000080,
maclobdell 0:f7c60d3e7b8a 352 0x0000001B, 0x00000036
maclobdell 0:f7c60d3e7b8a 353 };
maclobdell 0:f7c60d3e7b8a 354
maclobdell 0:f7c60d3e7b8a 355 #else /* MBEDTLS_AES_ROM_TABLES */
maclobdell 0:f7c60d3e7b8a 356
maclobdell 0:f7c60d3e7b8a 357 /*
maclobdell 0:f7c60d3e7b8a 358 * Forward S-box & tables
maclobdell 0:f7c60d3e7b8a 359 */
maclobdell 0:f7c60d3e7b8a 360 static unsigned char FSb[256];
maclobdell 0:f7c60d3e7b8a 361 static uint32_t FT0[256];
maclobdell 0:f7c60d3e7b8a 362 static uint32_t FT1[256];
maclobdell 0:f7c60d3e7b8a 363 static uint32_t FT2[256];
maclobdell 0:f7c60d3e7b8a 364 static uint32_t FT3[256];
maclobdell 0:f7c60d3e7b8a 365
maclobdell 0:f7c60d3e7b8a 366 /*
maclobdell 0:f7c60d3e7b8a 367 * Reverse S-box & tables
maclobdell 0:f7c60d3e7b8a 368 */
maclobdell 0:f7c60d3e7b8a 369 static unsigned char RSb[256];
maclobdell 0:f7c60d3e7b8a 370 static uint32_t RT0[256];
maclobdell 0:f7c60d3e7b8a 371 static uint32_t RT1[256];
maclobdell 0:f7c60d3e7b8a 372 static uint32_t RT2[256];
maclobdell 0:f7c60d3e7b8a 373 static uint32_t RT3[256];
maclobdell 0:f7c60d3e7b8a 374
maclobdell 0:f7c60d3e7b8a 375 /*
maclobdell 0:f7c60d3e7b8a 376 * Round constants
maclobdell 0:f7c60d3e7b8a 377 */
maclobdell 0:f7c60d3e7b8a 378 static uint32_t RCON[10];
maclobdell 0:f7c60d3e7b8a 379
maclobdell 0:f7c60d3e7b8a 380 /*
maclobdell 0:f7c60d3e7b8a 381 * Tables generation code
maclobdell 0:f7c60d3e7b8a 382 */
maclobdell 0:f7c60d3e7b8a 383 #define ROTL8(x) ( ( x << 8 ) & 0xFFFFFFFF ) | ( x >> 24 )
maclobdell 0:f7c60d3e7b8a 384 #define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) )
maclobdell 0:f7c60d3e7b8a 385 #define MUL(x,y) ( ( x && y ) ? pow[(log[x]+log[y]) % 255] : 0 )
maclobdell 0:f7c60d3e7b8a 386
maclobdell 0:f7c60d3e7b8a 387 static int aes_init_done = 0;
maclobdell 0:f7c60d3e7b8a 388
maclobdell 0:f7c60d3e7b8a 389 static void aes_gen_tables( void )
maclobdell 0:f7c60d3e7b8a 390 {
maclobdell 0:f7c60d3e7b8a 391 int i, x, y, z;
maclobdell 0:f7c60d3e7b8a 392 int pow[256];
maclobdell 0:f7c60d3e7b8a 393 int log[256];
maclobdell 0:f7c60d3e7b8a 394
maclobdell 0:f7c60d3e7b8a 395 /*
maclobdell 0:f7c60d3e7b8a 396 * compute pow and log tables over GF(2^8)
maclobdell 0:f7c60d3e7b8a 397 */
maclobdell 0:f7c60d3e7b8a 398 for( i = 0, x = 1; i < 256; i++ )
maclobdell 0:f7c60d3e7b8a 399 {
maclobdell 0:f7c60d3e7b8a 400 pow[i] = x;
maclobdell 0:f7c60d3e7b8a 401 log[x] = i;
maclobdell 0:f7c60d3e7b8a 402 x = ( x ^ XTIME( x ) ) & 0xFF;
maclobdell 0:f7c60d3e7b8a 403 }
maclobdell 0:f7c60d3e7b8a 404
maclobdell 0:f7c60d3e7b8a 405 /*
maclobdell 0:f7c60d3e7b8a 406 * calculate the round constants
maclobdell 0:f7c60d3e7b8a 407 */
maclobdell 0:f7c60d3e7b8a 408 for( i = 0, x = 1; i < 10; i++ )
maclobdell 0:f7c60d3e7b8a 409 {
maclobdell 0:f7c60d3e7b8a 410 RCON[i] = (uint32_t) x;
maclobdell 0:f7c60d3e7b8a 411 x = XTIME( x ) & 0xFF;
maclobdell 0:f7c60d3e7b8a 412 }
maclobdell 0:f7c60d3e7b8a 413
maclobdell 0:f7c60d3e7b8a 414 /*
maclobdell 0:f7c60d3e7b8a 415 * generate the forward and reverse S-boxes
maclobdell 0:f7c60d3e7b8a 416 */
maclobdell 0:f7c60d3e7b8a 417 FSb[0x00] = 0x63;
maclobdell 0:f7c60d3e7b8a 418 RSb[0x63] = 0x00;
maclobdell 0:f7c60d3e7b8a 419
maclobdell 0:f7c60d3e7b8a 420 for( i = 1; i < 256; i++ )
maclobdell 0:f7c60d3e7b8a 421 {
maclobdell 0:f7c60d3e7b8a 422 x = pow[255 - log[i]];
maclobdell 0:f7c60d3e7b8a 423
maclobdell 0:f7c60d3e7b8a 424 y = x; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
maclobdell 0:f7c60d3e7b8a 425 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
maclobdell 0:f7c60d3e7b8a 426 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
maclobdell 0:f7c60d3e7b8a 427 x ^= y; y = ( ( y << 1 ) | ( y >> 7 ) ) & 0xFF;
maclobdell 0:f7c60d3e7b8a 428 x ^= y ^ 0x63;
maclobdell 0:f7c60d3e7b8a 429
maclobdell 0:f7c60d3e7b8a 430 FSb[i] = (unsigned char) x;
maclobdell 0:f7c60d3e7b8a 431 RSb[x] = (unsigned char) i;
maclobdell 0:f7c60d3e7b8a 432 }
maclobdell 0:f7c60d3e7b8a 433
maclobdell 0:f7c60d3e7b8a 434 /*
maclobdell 0:f7c60d3e7b8a 435 * generate the forward and reverse tables
maclobdell 0:f7c60d3e7b8a 436 */
maclobdell 0:f7c60d3e7b8a 437 for( i = 0; i < 256; i++ )
maclobdell 0:f7c60d3e7b8a 438 {
maclobdell 0:f7c60d3e7b8a 439 x = FSb[i];
maclobdell 0:f7c60d3e7b8a 440 y = XTIME( x ) & 0xFF;
maclobdell 0:f7c60d3e7b8a 441 z = ( y ^ x ) & 0xFF;
maclobdell 0:f7c60d3e7b8a 442
maclobdell 0:f7c60d3e7b8a 443 FT0[i] = ( (uint32_t) y ) ^
maclobdell 0:f7c60d3e7b8a 444 ( (uint32_t) x << 8 ) ^
maclobdell 0:f7c60d3e7b8a 445 ( (uint32_t) x << 16 ) ^
maclobdell 0:f7c60d3e7b8a 446 ( (uint32_t) z << 24 );
maclobdell 0:f7c60d3e7b8a 447
maclobdell 0:f7c60d3e7b8a 448 FT1[i] = ROTL8( FT0[i] );
maclobdell 0:f7c60d3e7b8a 449 FT2[i] = ROTL8( FT1[i] );
maclobdell 0:f7c60d3e7b8a 450 FT3[i] = ROTL8( FT2[i] );
maclobdell 0:f7c60d3e7b8a 451
maclobdell 0:f7c60d3e7b8a 452 x = RSb[i];
maclobdell 0:f7c60d3e7b8a 453
maclobdell 0:f7c60d3e7b8a 454 RT0[i] = ( (uint32_t) MUL( 0x0E, x ) ) ^
maclobdell 0:f7c60d3e7b8a 455 ( (uint32_t) MUL( 0x09, x ) << 8 ) ^
maclobdell 0:f7c60d3e7b8a 456 ( (uint32_t) MUL( 0x0D, x ) << 16 ) ^
maclobdell 0:f7c60d3e7b8a 457 ( (uint32_t) MUL( 0x0B, x ) << 24 );
maclobdell 0:f7c60d3e7b8a 458
maclobdell 0:f7c60d3e7b8a 459 RT1[i] = ROTL8( RT0[i] );
maclobdell 0:f7c60d3e7b8a 460 RT2[i] = ROTL8( RT1[i] );
maclobdell 0:f7c60d3e7b8a 461 RT3[i] = ROTL8( RT2[i] );
maclobdell 0:f7c60d3e7b8a 462 }
maclobdell 0:f7c60d3e7b8a 463 }
maclobdell 0:f7c60d3e7b8a 464
maclobdell 0:f7c60d3e7b8a 465 #endif /* MBEDTLS_AES_ROM_TABLES */
maclobdell 0:f7c60d3e7b8a 466
maclobdell 0:f7c60d3e7b8a 467 void mbedtls_aes_init( mbedtls_aes_context *ctx )
maclobdell 0:f7c60d3e7b8a 468 {
maclobdell 0:f7c60d3e7b8a 469 memset( ctx, 0, sizeof( mbedtls_aes_context ) );
maclobdell 0:f7c60d3e7b8a 470 }
maclobdell 0:f7c60d3e7b8a 471
maclobdell 0:f7c60d3e7b8a 472 void mbedtls_aes_free( mbedtls_aes_context *ctx )
maclobdell 0:f7c60d3e7b8a 473 {
maclobdell 0:f7c60d3e7b8a 474 if( ctx == NULL )
maclobdell 0:f7c60d3e7b8a 475 return;
maclobdell 0:f7c60d3e7b8a 476
maclobdell 0:f7c60d3e7b8a 477 mbedtls_zeroize( ctx, sizeof( mbedtls_aes_context ) );
maclobdell 0:f7c60d3e7b8a 478 }
maclobdell 0:f7c60d3e7b8a 479
maclobdell 0:f7c60d3e7b8a 480 /*
maclobdell 0:f7c60d3e7b8a 481 * AES key schedule (encryption)
maclobdell 0:f7c60d3e7b8a 482 */
maclobdell 0:f7c60d3e7b8a 483 #if !defined(MBEDTLS_AES_SETKEY_ENC_ALT)
maclobdell 0:f7c60d3e7b8a 484 int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
maclobdell 0:f7c60d3e7b8a 485 unsigned int keybits )
maclobdell 0:f7c60d3e7b8a 486 {
maclobdell 0:f7c60d3e7b8a 487 unsigned int i;
maclobdell 0:f7c60d3e7b8a 488 uint32_t *RK;
maclobdell 0:f7c60d3e7b8a 489
maclobdell 0:f7c60d3e7b8a 490 #if !defined(MBEDTLS_AES_ROM_TABLES)
maclobdell 0:f7c60d3e7b8a 491 if( aes_init_done == 0 )
maclobdell 0:f7c60d3e7b8a 492 {
maclobdell 0:f7c60d3e7b8a 493 aes_gen_tables();
maclobdell 0:f7c60d3e7b8a 494 aes_init_done = 1;
maclobdell 0:f7c60d3e7b8a 495
maclobdell 0:f7c60d3e7b8a 496 }
maclobdell 0:f7c60d3e7b8a 497 #endif
maclobdell 0:f7c60d3e7b8a 498
maclobdell 0:f7c60d3e7b8a 499 switch( keybits )
maclobdell 0:f7c60d3e7b8a 500 {
maclobdell 0:f7c60d3e7b8a 501 case 128: ctx->nr = 10; break;
maclobdell 0:f7c60d3e7b8a 502 case 192: ctx->nr = 12; break;
maclobdell 0:f7c60d3e7b8a 503 case 256: ctx->nr = 14; break;
maclobdell 0:f7c60d3e7b8a 504 default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
maclobdell 0:f7c60d3e7b8a 505 }
maclobdell 0:f7c60d3e7b8a 506
maclobdell 0:f7c60d3e7b8a 507 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
maclobdell 0:f7c60d3e7b8a 508 if( aes_padlock_ace == -1 )
maclobdell 0:f7c60d3e7b8a 509 aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
maclobdell 0:f7c60d3e7b8a 510
maclobdell 0:f7c60d3e7b8a 511 if( aes_padlock_ace )
maclobdell 0:f7c60d3e7b8a 512 ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
maclobdell 0:f7c60d3e7b8a 513 else
maclobdell 0:f7c60d3e7b8a 514 #endif
maclobdell 0:f7c60d3e7b8a 515 ctx->rk = RK = ctx->buf;
maclobdell 0:f7c60d3e7b8a 516
maclobdell 0:f7c60d3e7b8a 517 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
maclobdell 0:f7c60d3e7b8a 518 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
maclobdell 0:f7c60d3e7b8a 519 return( mbedtls_aesni_setkey_enc( (unsigned char *) ctx->rk, key, keybits ) );
maclobdell 0:f7c60d3e7b8a 520 #endif
maclobdell 0:f7c60d3e7b8a 521
maclobdell 0:f7c60d3e7b8a 522 for( i = 0; i < ( keybits >> 5 ); i++ )
maclobdell 0:f7c60d3e7b8a 523 {
maclobdell 0:f7c60d3e7b8a 524 GET_UINT32_LE( RK[i], key, i << 2 );
maclobdell 0:f7c60d3e7b8a 525 }
maclobdell 0:f7c60d3e7b8a 526
maclobdell 0:f7c60d3e7b8a 527 switch( ctx->nr )
maclobdell 0:f7c60d3e7b8a 528 {
maclobdell 0:f7c60d3e7b8a 529 case 10:
maclobdell 0:f7c60d3e7b8a 530
maclobdell 0:f7c60d3e7b8a 531 for( i = 0; i < 10; i++, RK += 4 )
maclobdell 0:f7c60d3e7b8a 532 {
maclobdell 0:f7c60d3e7b8a 533 RK[4] = RK[0] ^ RCON[i] ^
maclobdell 0:f7c60d3e7b8a 534 ( (uint32_t) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 535 ( (uint32_t) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 536 ( (uint32_t) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 537 ( (uint32_t) FSb[ ( RK[3] ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 538
maclobdell 0:f7c60d3e7b8a 539 RK[5] = RK[1] ^ RK[4];
maclobdell 0:f7c60d3e7b8a 540 RK[6] = RK[2] ^ RK[5];
maclobdell 0:f7c60d3e7b8a 541 RK[7] = RK[3] ^ RK[6];
maclobdell 0:f7c60d3e7b8a 542 }
maclobdell 0:f7c60d3e7b8a 543 break;
maclobdell 0:f7c60d3e7b8a 544
maclobdell 0:f7c60d3e7b8a 545 case 12:
maclobdell 0:f7c60d3e7b8a 546
maclobdell 0:f7c60d3e7b8a 547 for( i = 0; i < 8; i++, RK += 6 )
maclobdell 0:f7c60d3e7b8a 548 {
maclobdell 0:f7c60d3e7b8a 549 RK[6] = RK[0] ^ RCON[i] ^
maclobdell 0:f7c60d3e7b8a 550 ( (uint32_t) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 551 ( (uint32_t) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 552 ( (uint32_t) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 553 ( (uint32_t) FSb[ ( RK[5] ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 554
maclobdell 0:f7c60d3e7b8a 555 RK[7] = RK[1] ^ RK[6];
maclobdell 0:f7c60d3e7b8a 556 RK[8] = RK[2] ^ RK[7];
maclobdell 0:f7c60d3e7b8a 557 RK[9] = RK[3] ^ RK[8];
maclobdell 0:f7c60d3e7b8a 558 RK[10] = RK[4] ^ RK[9];
maclobdell 0:f7c60d3e7b8a 559 RK[11] = RK[5] ^ RK[10];
maclobdell 0:f7c60d3e7b8a 560 }
maclobdell 0:f7c60d3e7b8a 561 break;
maclobdell 0:f7c60d3e7b8a 562
maclobdell 0:f7c60d3e7b8a 563 case 14:
maclobdell 0:f7c60d3e7b8a 564
maclobdell 0:f7c60d3e7b8a 565 for( i = 0; i < 7; i++, RK += 8 )
maclobdell 0:f7c60d3e7b8a 566 {
maclobdell 0:f7c60d3e7b8a 567 RK[8] = RK[0] ^ RCON[i] ^
maclobdell 0:f7c60d3e7b8a 568 ( (uint32_t) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 569 ( (uint32_t) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 570 ( (uint32_t) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 571 ( (uint32_t) FSb[ ( RK[7] ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 572
maclobdell 0:f7c60d3e7b8a 573 RK[9] = RK[1] ^ RK[8];
maclobdell 0:f7c60d3e7b8a 574 RK[10] = RK[2] ^ RK[9];
maclobdell 0:f7c60d3e7b8a 575 RK[11] = RK[3] ^ RK[10];
maclobdell 0:f7c60d3e7b8a 576
maclobdell 0:f7c60d3e7b8a 577 RK[12] = RK[4] ^
maclobdell 0:f7c60d3e7b8a 578 ( (uint32_t) FSb[ ( RK[11] ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 579 ( (uint32_t) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 580 ( (uint32_t) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 581 ( (uint32_t) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 582
maclobdell 0:f7c60d3e7b8a 583 RK[13] = RK[5] ^ RK[12];
maclobdell 0:f7c60d3e7b8a 584 RK[14] = RK[6] ^ RK[13];
maclobdell 0:f7c60d3e7b8a 585 RK[15] = RK[7] ^ RK[14];
maclobdell 0:f7c60d3e7b8a 586 }
maclobdell 0:f7c60d3e7b8a 587 break;
maclobdell 0:f7c60d3e7b8a 588 }
maclobdell 0:f7c60d3e7b8a 589
maclobdell 0:f7c60d3e7b8a 590 return( 0 );
maclobdell 0:f7c60d3e7b8a 591 }
maclobdell 0:f7c60d3e7b8a 592 #endif /* !MBEDTLS_AES_SETKEY_ENC_ALT */
maclobdell 0:f7c60d3e7b8a 593
maclobdell 0:f7c60d3e7b8a 594 /*
maclobdell 0:f7c60d3e7b8a 595 * AES key schedule (decryption)
maclobdell 0:f7c60d3e7b8a 596 */
maclobdell 0:f7c60d3e7b8a 597 #if !defined(MBEDTLS_AES_SETKEY_DEC_ALT)
maclobdell 0:f7c60d3e7b8a 598 int mbedtls_aes_setkey_dec( mbedtls_aes_context *ctx, const unsigned char *key,
maclobdell 0:f7c60d3e7b8a 599 unsigned int keybits )
maclobdell 0:f7c60d3e7b8a 600 {
maclobdell 0:f7c60d3e7b8a 601 int i, j, ret;
maclobdell 0:f7c60d3e7b8a 602 mbedtls_aes_context cty;
maclobdell 0:f7c60d3e7b8a 603 uint32_t *RK;
maclobdell 0:f7c60d3e7b8a 604 uint32_t *SK;
maclobdell 0:f7c60d3e7b8a 605
maclobdell 0:f7c60d3e7b8a 606 mbedtls_aes_init( &cty );
maclobdell 0:f7c60d3e7b8a 607
maclobdell 0:f7c60d3e7b8a 608 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_PADLOCK_ALIGN16)
maclobdell 0:f7c60d3e7b8a 609 if( aes_padlock_ace == -1 )
maclobdell 0:f7c60d3e7b8a 610 aes_padlock_ace = mbedtls_padlock_has_support( MBEDTLS_PADLOCK_ACE );
maclobdell 0:f7c60d3e7b8a 611
maclobdell 0:f7c60d3e7b8a 612 if( aes_padlock_ace )
maclobdell 0:f7c60d3e7b8a 613 ctx->rk = RK = MBEDTLS_PADLOCK_ALIGN16( ctx->buf );
maclobdell 0:f7c60d3e7b8a 614 else
maclobdell 0:f7c60d3e7b8a 615 #endif
maclobdell 0:f7c60d3e7b8a 616 ctx->rk = RK = ctx->buf;
maclobdell 0:f7c60d3e7b8a 617
maclobdell 0:f7c60d3e7b8a 618 /* Also checks keybits */
maclobdell 0:f7c60d3e7b8a 619 if( ( ret = mbedtls_aes_setkey_enc( &cty, key, keybits ) ) != 0 )
maclobdell 0:f7c60d3e7b8a 620 goto exit;
maclobdell 0:f7c60d3e7b8a 621
maclobdell 0:f7c60d3e7b8a 622 ctx->nr = cty.nr;
maclobdell 0:f7c60d3e7b8a 623
maclobdell 0:f7c60d3e7b8a 624 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
maclobdell 0:f7c60d3e7b8a 625 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
maclobdell 0:f7c60d3e7b8a 626 {
maclobdell 0:f7c60d3e7b8a 627 mbedtls_aesni_inverse_key( (unsigned char *) ctx->rk,
maclobdell 0:f7c60d3e7b8a 628 (const unsigned char *) cty.rk, ctx->nr );
maclobdell 0:f7c60d3e7b8a 629 goto exit;
maclobdell 0:f7c60d3e7b8a 630 }
maclobdell 0:f7c60d3e7b8a 631 #endif
maclobdell 0:f7c60d3e7b8a 632
maclobdell 0:f7c60d3e7b8a 633 SK = cty.rk + cty.nr * 4;
maclobdell 0:f7c60d3e7b8a 634
maclobdell 0:f7c60d3e7b8a 635 *RK++ = *SK++;
maclobdell 0:f7c60d3e7b8a 636 *RK++ = *SK++;
maclobdell 0:f7c60d3e7b8a 637 *RK++ = *SK++;
maclobdell 0:f7c60d3e7b8a 638 *RK++ = *SK++;
maclobdell 0:f7c60d3e7b8a 639
maclobdell 0:f7c60d3e7b8a 640 for( i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8 )
maclobdell 0:f7c60d3e7b8a 641 {
maclobdell 0:f7c60d3e7b8a 642 for( j = 0; j < 4; j++, SK++ )
maclobdell 0:f7c60d3e7b8a 643 {
maclobdell 0:f7c60d3e7b8a 644 *RK++ = RT0[ FSb[ ( *SK ) & 0xFF ] ] ^
maclobdell 0:f7c60d3e7b8a 645 RT1[ FSb[ ( *SK >> 8 ) & 0xFF ] ] ^
maclobdell 0:f7c60d3e7b8a 646 RT2[ FSb[ ( *SK >> 16 ) & 0xFF ] ] ^
maclobdell 0:f7c60d3e7b8a 647 RT3[ FSb[ ( *SK >> 24 ) & 0xFF ] ];
maclobdell 0:f7c60d3e7b8a 648 }
maclobdell 0:f7c60d3e7b8a 649 }
maclobdell 0:f7c60d3e7b8a 650
maclobdell 0:f7c60d3e7b8a 651 *RK++ = *SK++;
maclobdell 0:f7c60d3e7b8a 652 *RK++ = *SK++;
maclobdell 0:f7c60d3e7b8a 653 *RK++ = *SK++;
maclobdell 0:f7c60d3e7b8a 654 *RK++ = *SK++;
maclobdell 0:f7c60d3e7b8a 655
maclobdell 0:f7c60d3e7b8a 656 exit:
maclobdell 0:f7c60d3e7b8a 657 mbedtls_aes_free( &cty );
maclobdell 0:f7c60d3e7b8a 658
maclobdell 0:f7c60d3e7b8a 659 return( ret );
maclobdell 0:f7c60d3e7b8a 660 }
maclobdell 0:f7c60d3e7b8a 661 #endif /* !MBEDTLS_AES_SETKEY_DEC_ALT */
maclobdell 0:f7c60d3e7b8a 662
maclobdell 0:f7c60d3e7b8a 663 #define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
maclobdell 0:f7c60d3e7b8a 664 { \
maclobdell 0:f7c60d3e7b8a 665 X0 = *RK++ ^ FT0[ ( Y0 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 666 FT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 667 FT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 668 FT3[ ( Y3 >> 24 ) & 0xFF ]; \
maclobdell 0:f7c60d3e7b8a 669 \
maclobdell 0:f7c60d3e7b8a 670 X1 = *RK++ ^ FT0[ ( Y1 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 671 FT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 672 FT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 673 FT3[ ( Y0 >> 24 ) & 0xFF ]; \
maclobdell 0:f7c60d3e7b8a 674 \
maclobdell 0:f7c60d3e7b8a 675 X2 = *RK++ ^ FT0[ ( Y2 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 676 FT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 677 FT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 678 FT3[ ( Y1 >> 24 ) & 0xFF ]; \
maclobdell 0:f7c60d3e7b8a 679 \
maclobdell 0:f7c60d3e7b8a 680 X3 = *RK++ ^ FT0[ ( Y3 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 681 FT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 682 FT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 683 FT3[ ( Y2 >> 24 ) & 0xFF ]; \
maclobdell 0:f7c60d3e7b8a 684 }
maclobdell 0:f7c60d3e7b8a 685
maclobdell 0:f7c60d3e7b8a 686 #define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
maclobdell 0:f7c60d3e7b8a 687 { \
maclobdell 0:f7c60d3e7b8a 688 X0 = *RK++ ^ RT0[ ( Y0 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 689 RT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 690 RT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 691 RT3[ ( Y1 >> 24 ) & 0xFF ]; \
maclobdell 0:f7c60d3e7b8a 692 \
maclobdell 0:f7c60d3e7b8a 693 X1 = *RK++ ^ RT0[ ( Y1 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 694 RT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 695 RT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 696 RT3[ ( Y2 >> 24 ) & 0xFF ]; \
maclobdell 0:f7c60d3e7b8a 697 \
maclobdell 0:f7c60d3e7b8a 698 X2 = *RK++ ^ RT0[ ( Y2 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 699 RT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 700 RT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 701 RT3[ ( Y3 >> 24 ) & 0xFF ]; \
maclobdell 0:f7c60d3e7b8a 702 \
maclobdell 0:f7c60d3e7b8a 703 X3 = *RK++ ^ RT0[ ( Y3 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 704 RT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 705 RT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
maclobdell 0:f7c60d3e7b8a 706 RT3[ ( Y0 >> 24 ) & 0xFF ]; \
maclobdell 0:f7c60d3e7b8a 707 }
maclobdell 0:f7c60d3e7b8a 708
maclobdell 0:f7c60d3e7b8a 709 /*
maclobdell 0:f7c60d3e7b8a 710 * AES-ECB block encryption
maclobdell 0:f7c60d3e7b8a 711 */
maclobdell 0:f7c60d3e7b8a 712 #if !defined(MBEDTLS_AES_ENCRYPT_ALT)
maclobdell 0:f7c60d3e7b8a 713 void mbedtls_aes_encrypt( mbedtls_aes_context *ctx,
maclobdell 0:f7c60d3e7b8a 714 const unsigned char input[16],
maclobdell 0:f7c60d3e7b8a 715 unsigned char output[16] )
maclobdell 0:f7c60d3e7b8a 716 {
maclobdell 0:f7c60d3e7b8a 717 int i;
maclobdell 0:f7c60d3e7b8a 718 uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
maclobdell 0:f7c60d3e7b8a 719
maclobdell 0:f7c60d3e7b8a 720 RK = ctx->rk;
maclobdell 0:f7c60d3e7b8a 721
maclobdell 0:f7c60d3e7b8a 722 GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
maclobdell 0:f7c60d3e7b8a 723 GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
maclobdell 0:f7c60d3e7b8a 724 GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
maclobdell 0:f7c60d3e7b8a 725 GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
maclobdell 0:f7c60d3e7b8a 726
maclobdell 0:f7c60d3e7b8a 727 for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
maclobdell 0:f7c60d3e7b8a 728 {
maclobdell 0:f7c60d3e7b8a 729 AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
maclobdell 0:f7c60d3e7b8a 730 AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
maclobdell 0:f7c60d3e7b8a 731 }
maclobdell 0:f7c60d3e7b8a 732
maclobdell 0:f7c60d3e7b8a 733 AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
maclobdell 0:f7c60d3e7b8a 734
maclobdell 0:f7c60d3e7b8a 735 X0 = *RK++ ^ \
maclobdell 0:f7c60d3e7b8a 736 ( (uint32_t) FSb[ ( Y0 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 737 ( (uint32_t) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 738 ( (uint32_t) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 739 ( (uint32_t) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 740
maclobdell 0:f7c60d3e7b8a 741 X1 = *RK++ ^ \
maclobdell 0:f7c60d3e7b8a 742 ( (uint32_t) FSb[ ( Y1 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 743 ( (uint32_t) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 744 ( (uint32_t) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 745 ( (uint32_t) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 746
maclobdell 0:f7c60d3e7b8a 747 X2 = *RK++ ^ \
maclobdell 0:f7c60d3e7b8a 748 ( (uint32_t) FSb[ ( Y2 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 749 ( (uint32_t) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 750 ( (uint32_t) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 751 ( (uint32_t) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 752
maclobdell 0:f7c60d3e7b8a 753 X3 = *RK++ ^ \
maclobdell 0:f7c60d3e7b8a 754 ( (uint32_t) FSb[ ( Y3 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 755 ( (uint32_t) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 756 ( (uint32_t) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 757 ( (uint32_t) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 758
maclobdell 0:f7c60d3e7b8a 759 PUT_UINT32_LE( X0, output, 0 );
maclobdell 0:f7c60d3e7b8a 760 PUT_UINT32_LE( X1, output, 4 );
maclobdell 0:f7c60d3e7b8a 761 PUT_UINT32_LE( X2, output, 8 );
maclobdell 0:f7c60d3e7b8a 762 PUT_UINT32_LE( X3, output, 12 );
maclobdell 0:f7c60d3e7b8a 763 }
maclobdell 0:f7c60d3e7b8a 764 #endif /* !MBEDTLS_AES_ENCRYPT_ALT */
maclobdell 0:f7c60d3e7b8a 765
maclobdell 0:f7c60d3e7b8a 766 /*
maclobdell 0:f7c60d3e7b8a 767 * AES-ECB block decryption
maclobdell 0:f7c60d3e7b8a 768 */
maclobdell 0:f7c60d3e7b8a 769 #if !defined(MBEDTLS_AES_DECRYPT_ALT)
maclobdell 0:f7c60d3e7b8a 770 void mbedtls_aes_decrypt( mbedtls_aes_context *ctx,
maclobdell 0:f7c60d3e7b8a 771 const unsigned char input[16],
maclobdell 0:f7c60d3e7b8a 772 unsigned char output[16] )
maclobdell 0:f7c60d3e7b8a 773 {
maclobdell 0:f7c60d3e7b8a 774 int i;
maclobdell 0:f7c60d3e7b8a 775 uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
maclobdell 0:f7c60d3e7b8a 776
maclobdell 0:f7c60d3e7b8a 777 RK = ctx->rk;
maclobdell 0:f7c60d3e7b8a 778
maclobdell 0:f7c60d3e7b8a 779 GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
maclobdell 0:f7c60d3e7b8a 780 GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
maclobdell 0:f7c60d3e7b8a 781 GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
maclobdell 0:f7c60d3e7b8a 782 GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
maclobdell 0:f7c60d3e7b8a 783
maclobdell 0:f7c60d3e7b8a 784 for( i = ( ctx->nr >> 1 ) - 1; i > 0; i-- )
maclobdell 0:f7c60d3e7b8a 785 {
maclobdell 0:f7c60d3e7b8a 786 AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
maclobdell 0:f7c60d3e7b8a 787 AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
maclobdell 0:f7c60d3e7b8a 788 }
maclobdell 0:f7c60d3e7b8a 789
maclobdell 0:f7c60d3e7b8a 790 AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
maclobdell 0:f7c60d3e7b8a 791
maclobdell 0:f7c60d3e7b8a 792 X0 = *RK++ ^ \
maclobdell 0:f7c60d3e7b8a 793 ( (uint32_t) RSb[ ( Y0 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 794 ( (uint32_t) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 795 ( (uint32_t) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 796 ( (uint32_t) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 797
maclobdell 0:f7c60d3e7b8a 798 X1 = *RK++ ^ \
maclobdell 0:f7c60d3e7b8a 799 ( (uint32_t) RSb[ ( Y1 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 800 ( (uint32_t) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 801 ( (uint32_t) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 802 ( (uint32_t) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 803
maclobdell 0:f7c60d3e7b8a 804 X2 = *RK++ ^ \
maclobdell 0:f7c60d3e7b8a 805 ( (uint32_t) RSb[ ( Y2 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 806 ( (uint32_t) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 807 ( (uint32_t) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 808 ( (uint32_t) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 809
maclobdell 0:f7c60d3e7b8a 810 X3 = *RK++ ^ \
maclobdell 0:f7c60d3e7b8a 811 ( (uint32_t) RSb[ ( Y3 ) & 0xFF ] ) ^
maclobdell 0:f7c60d3e7b8a 812 ( (uint32_t) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
maclobdell 0:f7c60d3e7b8a 813 ( (uint32_t) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
maclobdell 0:f7c60d3e7b8a 814 ( (uint32_t) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
maclobdell 0:f7c60d3e7b8a 815
maclobdell 0:f7c60d3e7b8a 816 PUT_UINT32_LE( X0, output, 0 );
maclobdell 0:f7c60d3e7b8a 817 PUT_UINT32_LE( X1, output, 4 );
maclobdell 0:f7c60d3e7b8a 818 PUT_UINT32_LE( X2, output, 8 );
maclobdell 0:f7c60d3e7b8a 819 PUT_UINT32_LE( X3, output, 12 );
maclobdell 0:f7c60d3e7b8a 820 }
maclobdell 0:f7c60d3e7b8a 821 #endif /* !MBEDTLS_AES_DECRYPT_ALT */
maclobdell 0:f7c60d3e7b8a 822
maclobdell 0:f7c60d3e7b8a 823 /*
maclobdell 0:f7c60d3e7b8a 824 * AES-ECB block encryption/decryption
maclobdell 0:f7c60d3e7b8a 825 */
maclobdell 0:f7c60d3e7b8a 826 int mbedtls_aes_crypt_ecb( mbedtls_aes_context *ctx,
maclobdell 0:f7c60d3e7b8a 827 int mode,
maclobdell 0:f7c60d3e7b8a 828 const unsigned char input[16],
maclobdell 0:f7c60d3e7b8a 829 unsigned char output[16] )
maclobdell 0:f7c60d3e7b8a 830 {
maclobdell 0:f7c60d3e7b8a 831 #if defined(MBEDTLS_AESNI_C) && defined(MBEDTLS_HAVE_X86_64)
maclobdell 0:f7c60d3e7b8a 832 if( mbedtls_aesni_has_support( MBEDTLS_AESNI_AES ) )
maclobdell 0:f7c60d3e7b8a 833 return( mbedtls_aesni_crypt_ecb( ctx, mode, input, output ) );
maclobdell 0:f7c60d3e7b8a 834 #endif
maclobdell 0:f7c60d3e7b8a 835
maclobdell 0:f7c60d3e7b8a 836 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
maclobdell 0:f7c60d3e7b8a 837 if( aes_padlock_ace )
maclobdell 0:f7c60d3e7b8a 838 {
maclobdell 0:f7c60d3e7b8a 839 if( mbedtls_padlock_xcryptecb( ctx, mode, input, output ) == 0 )
maclobdell 0:f7c60d3e7b8a 840 return( 0 );
maclobdell 0:f7c60d3e7b8a 841
maclobdell 0:f7c60d3e7b8a 842 // If padlock data misaligned, we just fall back to
maclobdell 0:f7c60d3e7b8a 843 // unaccelerated mode
maclobdell 0:f7c60d3e7b8a 844 //
maclobdell 0:f7c60d3e7b8a 845 }
maclobdell 0:f7c60d3e7b8a 846 #endif
maclobdell 0:f7c60d3e7b8a 847
maclobdell 0:f7c60d3e7b8a 848 if( mode == MBEDTLS_AES_ENCRYPT )
maclobdell 0:f7c60d3e7b8a 849 mbedtls_aes_encrypt( ctx, input, output );
maclobdell 0:f7c60d3e7b8a 850 else
maclobdell 0:f7c60d3e7b8a 851 mbedtls_aes_decrypt( ctx, input, output );
maclobdell 0:f7c60d3e7b8a 852
maclobdell 0:f7c60d3e7b8a 853 return( 0 );
maclobdell 0:f7c60d3e7b8a 854 }
maclobdell 0:f7c60d3e7b8a 855
maclobdell 0:f7c60d3e7b8a 856 #if defined(MBEDTLS_CIPHER_MODE_CBC)
maclobdell 0:f7c60d3e7b8a 857 /*
maclobdell 0:f7c60d3e7b8a 858 * AES-CBC buffer encryption/decryption
maclobdell 0:f7c60d3e7b8a 859 */
maclobdell 0:f7c60d3e7b8a 860 int mbedtls_aes_crypt_cbc( mbedtls_aes_context *ctx,
maclobdell 0:f7c60d3e7b8a 861 int mode,
maclobdell 0:f7c60d3e7b8a 862 size_t length,
maclobdell 0:f7c60d3e7b8a 863 unsigned char iv[16],
maclobdell 0:f7c60d3e7b8a 864 const unsigned char *input,
maclobdell 0:f7c60d3e7b8a 865 unsigned char *output )
maclobdell 0:f7c60d3e7b8a 866 {
maclobdell 0:f7c60d3e7b8a 867 int i;
maclobdell 0:f7c60d3e7b8a 868 unsigned char temp[16];
maclobdell 0:f7c60d3e7b8a 869
maclobdell 0:f7c60d3e7b8a 870 if( length % 16 )
maclobdell 0:f7c60d3e7b8a 871 return( MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH );
maclobdell 0:f7c60d3e7b8a 872
maclobdell 0:f7c60d3e7b8a 873 #if defined(MBEDTLS_PADLOCK_C) && defined(MBEDTLS_HAVE_X86)
maclobdell 0:f7c60d3e7b8a 874 if( aes_padlock_ace )
maclobdell 0:f7c60d3e7b8a 875 {
maclobdell 0:f7c60d3e7b8a 876 if( mbedtls_padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 )
maclobdell 0:f7c60d3e7b8a 877 return( 0 );
maclobdell 0:f7c60d3e7b8a 878
maclobdell 0:f7c60d3e7b8a 879 // If padlock data misaligned, we just fall back to
maclobdell 0:f7c60d3e7b8a 880 // unaccelerated mode
maclobdell 0:f7c60d3e7b8a 881 //
maclobdell 0:f7c60d3e7b8a 882 }
maclobdell 0:f7c60d3e7b8a 883 #endif
maclobdell 0:f7c60d3e7b8a 884
maclobdell 0:f7c60d3e7b8a 885 if( mode == MBEDTLS_AES_DECRYPT )
maclobdell 0:f7c60d3e7b8a 886 {
maclobdell 0:f7c60d3e7b8a 887 while( length > 0 )
maclobdell 0:f7c60d3e7b8a 888 {
maclobdell 0:f7c60d3e7b8a 889 memcpy( temp, input, 16 );
maclobdell 0:f7c60d3e7b8a 890 mbedtls_aes_crypt_ecb( ctx, mode, input, output );
maclobdell 0:f7c60d3e7b8a 891
maclobdell 0:f7c60d3e7b8a 892 for( i = 0; i < 16; i++ )
maclobdell 0:f7c60d3e7b8a 893 output[i] = (unsigned char)( output[i] ^ iv[i] );
maclobdell 0:f7c60d3e7b8a 894
maclobdell 0:f7c60d3e7b8a 895 memcpy( iv, temp, 16 );
maclobdell 0:f7c60d3e7b8a 896
maclobdell 0:f7c60d3e7b8a 897 input += 16;
maclobdell 0:f7c60d3e7b8a 898 output += 16;
maclobdell 0:f7c60d3e7b8a 899 length -= 16;
maclobdell 0:f7c60d3e7b8a 900 }
maclobdell 0:f7c60d3e7b8a 901 }
maclobdell 0:f7c60d3e7b8a 902 else
maclobdell 0:f7c60d3e7b8a 903 {
maclobdell 0:f7c60d3e7b8a 904 while( length > 0 )
maclobdell 0:f7c60d3e7b8a 905 {
maclobdell 0:f7c60d3e7b8a 906 for( i = 0; i < 16; i++ )
maclobdell 0:f7c60d3e7b8a 907 output[i] = (unsigned char)( input[i] ^ iv[i] );
maclobdell 0:f7c60d3e7b8a 908
maclobdell 0:f7c60d3e7b8a 909 mbedtls_aes_crypt_ecb( ctx, mode, output, output );
maclobdell 0:f7c60d3e7b8a 910 memcpy( iv, output, 16 );
maclobdell 0:f7c60d3e7b8a 911
maclobdell 0:f7c60d3e7b8a 912 input += 16;
maclobdell 0:f7c60d3e7b8a 913 output += 16;
maclobdell 0:f7c60d3e7b8a 914 length -= 16;
maclobdell 0:f7c60d3e7b8a 915 }
maclobdell 0:f7c60d3e7b8a 916 }
maclobdell 0:f7c60d3e7b8a 917
maclobdell 0:f7c60d3e7b8a 918 return( 0 );
maclobdell 0:f7c60d3e7b8a 919 }
maclobdell 0:f7c60d3e7b8a 920 #endif /* MBEDTLS_CIPHER_MODE_CBC */
maclobdell 0:f7c60d3e7b8a 921
maclobdell 0:f7c60d3e7b8a 922 #if defined(MBEDTLS_CIPHER_MODE_CFB)
maclobdell 0:f7c60d3e7b8a 923 /*
maclobdell 0:f7c60d3e7b8a 924 * AES-CFB128 buffer encryption/decryption
maclobdell 0:f7c60d3e7b8a 925 */
maclobdell 0:f7c60d3e7b8a 926 int mbedtls_aes_crypt_cfb128( mbedtls_aes_context *ctx,
maclobdell 0:f7c60d3e7b8a 927 int mode,
maclobdell 0:f7c60d3e7b8a 928 size_t length,
maclobdell 0:f7c60d3e7b8a 929 size_t *iv_off,
maclobdell 0:f7c60d3e7b8a 930 unsigned char iv[16],
maclobdell 0:f7c60d3e7b8a 931 const unsigned char *input,
maclobdell 0:f7c60d3e7b8a 932 unsigned char *output )
maclobdell 0:f7c60d3e7b8a 933 {
maclobdell 0:f7c60d3e7b8a 934 int c;
maclobdell 0:f7c60d3e7b8a 935 size_t n = *iv_off;
maclobdell 0:f7c60d3e7b8a 936
maclobdell 0:f7c60d3e7b8a 937 if( mode == MBEDTLS_AES_DECRYPT )
maclobdell 0:f7c60d3e7b8a 938 {
maclobdell 0:f7c60d3e7b8a 939 while( length-- )
maclobdell 0:f7c60d3e7b8a 940 {
maclobdell 0:f7c60d3e7b8a 941 if( n == 0 )
maclobdell 0:f7c60d3e7b8a 942 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
maclobdell 0:f7c60d3e7b8a 943
maclobdell 0:f7c60d3e7b8a 944 c = *input++;
maclobdell 0:f7c60d3e7b8a 945 *output++ = (unsigned char)( c ^ iv[n] );
maclobdell 0:f7c60d3e7b8a 946 iv[n] = (unsigned char) c;
maclobdell 0:f7c60d3e7b8a 947
maclobdell 0:f7c60d3e7b8a 948 n = ( n + 1 ) & 0x0F;
maclobdell 0:f7c60d3e7b8a 949 }
maclobdell 0:f7c60d3e7b8a 950 }
maclobdell 0:f7c60d3e7b8a 951 else
maclobdell 0:f7c60d3e7b8a 952 {
maclobdell 0:f7c60d3e7b8a 953 while( length-- )
maclobdell 0:f7c60d3e7b8a 954 {
maclobdell 0:f7c60d3e7b8a 955 if( n == 0 )
maclobdell 0:f7c60d3e7b8a 956 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
maclobdell 0:f7c60d3e7b8a 957
maclobdell 0:f7c60d3e7b8a 958 iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
maclobdell 0:f7c60d3e7b8a 959
maclobdell 0:f7c60d3e7b8a 960 n = ( n + 1 ) & 0x0F;
maclobdell 0:f7c60d3e7b8a 961 }
maclobdell 0:f7c60d3e7b8a 962 }
maclobdell 0:f7c60d3e7b8a 963
maclobdell 0:f7c60d3e7b8a 964 *iv_off = n;
maclobdell 0:f7c60d3e7b8a 965
maclobdell 0:f7c60d3e7b8a 966 return( 0 );
maclobdell 0:f7c60d3e7b8a 967 }
maclobdell 0:f7c60d3e7b8a 968
maclobdell 0:f7c60d3e7b8a 969 /*
maclobdell 0:f7c60d3e7b8a 970 * AES-CFB8 buffer encryption/decryption
maclobdell 0:f7c60d3e7b8a 971 */
maclobdell 0:f7c60d3e7b8a 972 int mbedtls_aes_crypt_cfb8( mbedtls_aes_context *ctx,
maclobdell 0:f7c60d3e7b8a 973 int mode,
maclobdell 0:f7c60d3e7b8a 974 size_t length,
maclobdell 0:f7c60d3e7b8a 975 unsigned char iv[16],
maclobdell 0:f7c60d3e7b8a 976 const unsigned char *input,
maclobdell 0:f7c60d3e7b8a 977 unsigned char *output )
maclobdell 0:f7c60d3e7b8a 978 {
maclobdell 0:f7c60d3e7b8a 979 unsigned char c;
maclobdell 0:f7c60d3e7b8a 980 unsigned char ov[17];
maclobdell 0:f7c60d3e7b8a 981
maclobdell 0:f7c60d3e7b8a 982 while( length-- )
maclobdell 0:f7c60d3e7b8a 983 {
maclobdell 0:f7c60d3e7b8a 984 memcpy( ov, iv, 16 );
maclobdell 0:f7c60d3e7b8a 985 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, iv, iv );
maclobdell 0:f7c60d3e7b8a 986
maclobdell 0:f7c60d3e7b8a 987 if( mode == MBEDTLS_AES_DECRYPT )
maclobdell 0:f7c60d3e7b8a 988 ov[16] = *input;
maclobdell 0:f7c60d3e7b8a 989
maclobdell 0:f7c60d3e7b8a 990 c = *output++ = (unsigned char)( iv[0] ^ *input++ );
maclobdell 0:f7c60d3e7b8a 991
maclobdell 0:f7c60d3e7b8a 992 if( mode == MBEDTLS_AES_ENCRYPT )
maclobdell 0:f7c60d3e7b8a 993 ov[16] = c;
maclobdell 0:f7c60d3e7b8a 994
maclobdell 0:f7c60d3e7b8a 995 memcpy( iv, ov + 1, 16 );
maclobdell 0:f7c60d3e7b8a 996 }
maclobdell 0:f7c60d3e7b8a 997
maclobdell 0:f7c60d3e7b8a 998 return( 0 );
maclobdell 0:f7c60d3e7b8a 999 }
maclobdell 0:f7c60d3e7b8a 1000 #endif /*MBEDTLS_CIPHER_MODE_CFB */
maclobdell 0:f7c60d3e7b8a 1001
maclobdell 0:f7c60d3e7b8a 1002 #if defined(MBEDTLS_CIPHER_MODE_CTR)
maclobdell 0:f7c60d3e7b8a 1003 /*
maclobdell 0:f7c60d3e7b8a 1004 * AES-CTR buffer encryption/decryption
maclobdell 0:f7c60d3e7b8a 1005 */
maclobdell 0:f7c60d3e7b8a 1006 int mbedtls_aes_crypt_ctr( mbedtls_aes_context *ctx,
maclobdell 0:f7c60d3e7b8a 1007 size_t length,
maclobdell 0:f7c60d3e7b8a 1008 size_t *nc_off,
maclobdell 0:f7c60d3e7b8a 1009 unsigned char nonce_counter[16],
maclobdell 0:f7c60d3e7b8a 1010 unsigned char stream_block[16],
maclobdell 0:f7c60d3e7b8a 1011 const unsigned char *input,
maclobdell 0:f7c60d3e7b8a 1012 unsigned char *output )
maclobdell 0:f7c60d3e7b8a 1013 {
maclobdell 0:f7c60d3e7b8a 1014 int c, i;
maclobdell 0:f7c60d3e7b8a 1015 size_t n = *nc_off;
maclobdell 0:f7c60d3e7b8a 1016
maclobdell 0:f7c60d3e7b8a 1017 while( length-- )
maclobdell 0:f7c60d3e7b8a 1018 {
maclobdell 0:f7c60d3e7b8a 1019 if( n == 0 ) {
maclobdell 0:f7c60d3e7b8a 1020 mbedtls_aes_crypt_ecb( ctx, MBEDTLS_AES_ENCRYPT, nonce_counter, stream_block );
maclobdell 0:f7c60d3e7b8a 1021
maclobdell 0:f7c60d3e7b8a 1022 for( i = 16; i > 0; i-- )
maclobdell 0:f7c60d3e7b8a 1023 if( ++nonce_counter[i - 1] != 0 )
maclobdell 0:f7c60d3e7b8a 1024 break;
maclobdell 0:f7c60d3e7b8a 1025 }
maclobdell 0:f7c60d3e7b8a 1026 c = *input++;
maclobdell 0:f7c60d3e7b8a 1027 *output++ = (unsigned char)( c ^ stream_block[n] );
maclobdell 0:f7c60d3e7b8a 1028
maclobdell 0:f7c60d3e7b8a 1029 n = ( n + 1 ) & 0x0F;
maclobdell 0:f7c60d3e7b8a 1030 }
maclobdell 0:f7c60d3e7b8a 1031
maclobdell 0:f7c60d3e7b8a 1032 *nc_off = n;
maclobdell 0:f7c60d3e7b8a 1033
maclobdell 0:f7c60d3e7b8a 1034 return( 0 );
maclobdell 0:f7c60d3e7b8a 1035 }
maclobdell 0:f7c60d3e7b8a 1036 #endif /* MBEDTLS_CIPHER_MODE_CTR */
maclobdell 0:f7c60d3e7b8a 1037
maclobdell 0:f7c60d3e7b8a 1038 #endif /* !MBEDTLS_AES_ALT */
maclobdell 0:f7c60d3e7b8a 1039
maclobdell 0:f7c60d3e7b8a 1040 #if defined(MBEDTLS_SELF_TEST)
maclobdell 0:f7c60d3e7b8a 1041 /*
maclobdell 0:f7c60d3e7b8a 1042 * AES test vectors from:
maclobdell 0:f7c60d3e7b8a 1043 *
maclobdell 0:f7c60d3e7b8a 1044 * http://csrc.nist.gov/archive/aes/rijndael/rijndael-vals.zip
maclobdell 0:f7c60d3e7b8a 1045 */
maclobdell 0:f7c60d3e7b8a 1046 static const unsigned char aes_test_ecb_dec[3][16] =
maclobdell 0:f7c60d3e7b8a 1047 {
maclobdell 0:f7c60d3e7b8a 1048 { 0x44, 0x41, 0x6A, 0xC2, 0xD1, 0xF5, 0x3C, 0x58,
maclobdell 0:f7c60d3e7b8a 1049 0x33, 0x03, 0x91, 0x7E, 0x6B, 0xE9, 0xEB, 0xE0 },
maclobdell 0:f7c60d3e7b8a 1050 { 0x48, 0xE3, 0x1E, 0x9E, 0x25, 0x67, 0x18, 0xF2,
maclobdell 0:f7c60d3e7b8a 1051 0x92, 0x29, 0x31, 0x9C, 0x19, 0xF1, 0x5B, 0xA4 },
maclobdell 0:f7c60d3e7b8a 1052 { 0x05, 0x8C, 0xCF, 0xFD, 0xBB, 0xCB, 0x38, 0x2D,
maclobdell 0:f7c60d3e7b8a 1053 0x1F, 0x6F, 0x56, 0x58, 0x5D, 0x8A, 0x4A, 0xDE }
maclobdell 0:f7c60d3e7b8a 1054 };
maclobdell 0:f7c60d3e7b8a 1055
maclobdell 0:f7c60d3e7b8a 1056 static const unsigned char aes_test_ecb_enc[3][16] =
maclobdell 0:f7c60d3e7b8a 1057 {
maclobdell 0:f7c60d3e7b8a 1058 { 0xC3, 0x4C, 0x05, 0x2C, 0xC0, 0xDA, 0x8D, 0x73,
maclobdell 0:f7c60d3e7b8a 1059 0x45, 0x1A, 0xFE, 0x5F, 0x03, 0xBE, 0x29, 0x7F },
maclobdell 0:f7c60d3e7b8a 1060 { 0xF3, 0xF6, 0x75, 0x2A, 0xE8, 0xD7, 0x83, 0x11,
maclobdell 0:f7c60d3e7b8a 1061 0x38, 0xF0, 0x41, 0x56, 0x06, 0x31, 0xB1, 0x14 },
maclobdell 0:f7c60d3e7b8a 1062 { 0x8B, 0x79, 0xEE, 0xCC, 0x93, 0xA0, 0xEE, 0x5D,
maclobdell 0:f7c60d3e7b8a 1063 0xFF, 0x30, 0xB4, 0xEA, 0x21, 0x63, 0x6D, 0xA4 }
maclobdell 0:f7c60d3e7b8a 1064 };
maclobdell 0:f7c60d3e7b8a 1065
maclobdell 0:f7c60d3e7b8a 1066 #if defined(MBEDTLS_CIPHER_MODE_CBC)
maclobdell 0:f7c60d3e7b8a 1067 static const unsigned char aes_test_cbc_dec[3][16] =
maclobdell 0:f7c60d3e7b8a 1068 {
maclobdell 0:f7c60d3e7b8a 1069 { 0xFA, 0xCA, 0x37, 0xE0, 0xB0, 0xC8, 0x53, 0x73,
maclobdell 0:f7c60d3e7b8a 1070 0xDF, 0x70, 0x6E, 0x73, 0xF7, 0xC9, 0xAF, 0x86 },
maclobdell 0:f7c60d3e7b8a 1071 { 0x5D, 0xF6, 0x78, 0xDD, 0x17, 0xBA, 0x4E, 0x75,
maclobdell 0:f7c60d3e7b8a 1072 0xB6, 0x17, 0x68, 0xC6, 0xAD, 0xEF, 0x7C, 0x7B },
maclobdell 0:f7c60d3e7b8a 1073 { 0x48, 0x04, 0xE1, 0x81, 0x8F, 0xE6, 0x29, 0x75,
maclobdell 0:f7c60d3e7b8a 1074 0x19, 0xA3, 0xE8, 0x8C, 0x57, 0x31, 0x04, 0x13 }
maclobdell 0:f7c60d3e7b8a 1075 };
maclobdell 0:f7c60d3e7b8a 1076
maclobdell 0:f7c60d3e7b8a 1077 static const unsigned char aes_test_cbc_enc[3][16] =
maclobdell 0:f7c60d3e7b8a 1078 {
maclobdell 0:f7c60d3e7b8a 1079 { 0x8A, 0x05, 0xFC, 0x5E, 0x09, 0x5A, 0xF4, 0x84,
maclobdell 0:f7c60d3e7b8a 1080 0x8A, 0x08, 0xD3, 0x28, 0xD3, 0x68, 0x8E, 0x3D },
maclobdell 0:f7c60d3e7b8a 1081 { 0x7B, 0xD9, 0x66, 0xD5, 0x3A, 0xD8, 0xC1, 0xBB,
maclobdell 0:f7c60d3e7b8a 1082 0x85, 0xD2, 0xAD, 0xFA, 0xE8, 0x7B, 0xB1, 0x04 },
maclobdell 0:f7c60d3e7b8a 1083 { 0xFE, 0x3C, 0x53, 0x65, 0x3E, 0x2F, 0x45, 0xB5,
maclobdell 0:f7c60d3e7b8a 1084 0x6F, 0xCD, 0x88, 0xB2, 0xCC, 0x89, 0x8F, 0xF0 }
maclobdell 0:f7c60d3e7b8a 1085 };
maclobdell 0:f7c60d3e7b8a 1086 #endif /* MBEDTLS_CIPHER_MODE_CBC */
maclobdell 0:f7c60d3e7b8a 1087
maclobdell 0:f7c60d3e7b8a 1088 #if defined(MBEDTLS_CIPHER_MODE_CFB)
maclobdell 0:f7c60d3e7b8a 1089 /*
maclobdell 0:f7c60d3e7b8a 1090 * AES-CFB128 test vectors from:
maclobdell 0:f7c60d3e7b8a 1091 *
maclobdell 0:f7c60d3e7b8a 1092 * http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
maclobdell 0:f7c60d3e7b8a 1093 */
maclobdell 0:f7c60d3e7b8a 1094 static const unsigned char aes_test_cfb128_key[3][32] =
maclobdell 0:f7c60d3e7b8a 1095 {
maclobdell 0:f7c60d3e7b8a 1096 { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
maclobdell 0:f7c60d3e7b8a 1097 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C },
maclobdell 0:f7c60d3e7b8a 1098 { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
maclobdell 0:f7c60d3e7b8a 1099 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
maclobdell 0:f7c60d3e7b8a 1100 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B },
maclobdell 0:f7c60d3e7b8a 1101 { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
maclobdell 0:f7c60d3e7b8a 1102 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
maclobdell 0:f7c60d3e7b8a 1103 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
maclobdell 0:f7c60d3e7b8a 1104 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
maclobdell 0:f7c60d3e7b8a 1105 };
maclobdell 0:f7c60d3e7b8a 1106
maclobdell 0:f7c60d3e7b8a 1107 static const unsigned char aes_test_cfb128_iv[16] =
maclobdell 0:f7c60d3e7b8a 1108 {
maclobdell 0:f7c60d3e7b8a 1109 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
maclobdell 0:f7c60d3e7b8a 1110 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
maclobdell 0:f7c60d3e7b8a 1111 };
maclobdell 0:f7c60d3e7b8a 1112
maclobdell 0:f7c60d3e7b8a 1113 static const unsigned char aes_test_cfb128_pt[64] =
maclobdell 0:f7c60d3e7b8a 1114 {
maclobdell 0:f7c60d3e7b8a 1115 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
maclobdell 0:f7c60d3e7b8a 1116 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A,
maclobdell 0:f7c60d3e7b8a 1117 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
maclobdell 0:f7c60d3e7b8a 1118 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51,
maclobdell 0:f7c60d3e7b8a 1119 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
maclobdell 0:f7c60d3e7b8a 1120 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF,
maclobdell 0:f7c60d3e7b8a 1121 0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17,
maclobdell 0:f7c60d3e7b8a 1122 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10
maclobdell 0:f7c60d3e7b8a 1123 };
maclobdell 0:f7c60d3e7b8a 1124
maclobdell 0:f7c60d3e7b8a 1125 static const unsigned char aes_test_cfb128_ct[3][64] =
maclobdell 0:f7c60d3e7b8a 1126 {
maclobdell 0:f7c60d3e7b8a 1127 { 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20,
maclobdell 0:f7c60d3e7b8a 1128 0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A,
maclobdell 0:f7c60d3e7b8a 1129 0xC8, 0xA6, 0x45, 0x37, 0xA0, 0xB3, 0xA9, 0x3F,
maclobdell 0:f7c60d3e7b8a 1130 0xCD, 0xE3, 0xCD, 0xAD, 0x9F, 0x1C, 0xE5, 0x8B,
maclobdell 0:f7c60d3e7b8a 1131 0x26, 0x75, 0x1F, 0x67, 0xA3, 0xCB, 0xB1, 0x40,
maclobdell 0:f7c60d3e7b8a 1132 0xB1, 0x80, 0x8C, 0xF1, 0x87, 0xA4, 0xF4, 0xDF,
maclobdell 0:f7c60d3e7b8a 1133 0xC0, 0x4B, 0x05, 0x35, 0x7C, 0x5D, 0x1C, 0x0E,
maclobdell 0:f7c60d3e7b8a 1134 0xEA, 0xC4, 0xC6, 0x6F, 0x9F, 0xF7, 0xF2, 0xE6 },
maclobdell 0:f7c60d3e7b8a 1135 { 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB,
maclobdell 0:f7c60d3e7b8a 1136 0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74,
maclobdell 0:f7c60d3e7b8a 1137 0x67, 0xCE, 0x7F, 0x7F, 0x81, 0x17, 0x36, 0x21,
maclobdell 0:f7c60d3e7b8a 1138 0x96, 0x1A, 0x2B, 0x70, 0x17, 0x1D, 0x3D, 0x7A,
maclobdell 0:f7c60d3e7b8a 1139 0x2E, 0x1E, 0x8A, 0x1D, 0xD5, 0x9B, 0x88, 0xB1,
maclobdell 0:f7c60d3e7b8a 1140 0xC8, 0xE6, 0x0F, 0xED, 0x1E, 0xFA, 0xC4, 0xC9,
maclobdell 0:f7c60d3e7b8a 1141 0xC0, 0x5F, 0x9F, 0x9C, 0xA9, 0x83, 0x4F, 0xA0,
maclobdell 0:f7c60d3e7b8a 1142 0x42, 0xAE, 0x8F, 0xBA, 0x58, 0x4B, 0x09, 0xFF },
maclobdell 0:f7c60d3e7b8a 1143 { 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B,
maclobdell 0:f7c60d3e7b8a 1144 0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60,
maclobdell 0:f7c60d3e7b8a 1145 0x39, 0xFF, 0xED, 0x14, 0x3B, 0x28, 0xB1, 0xC8,
maclobdell 0:f7c60d3e7b8a 1146 0x32, 0x11, 0x3C, 0x63, 0x31, 0xE5, 0x40, 0x7B,
maclobdell 0:f7c60d3e7b8a 1147 0xDF, 0x10, 0x13, 0x24, 0x15, 0xE5, 0x4B, 0x92,
maclobdell 0:f7c60d3e7b8a 1148 0xA1, 0x3E, 0xD0, 0xA8, 0x26, 0x7A, 0xE2, 0xF9,
maclobdell 0:f7c60d3e7b8a 1149 0x75, 0xA3, 0x85, 0x74, 0x1A, 0xB9, 0xCE, 0xF8,
maclobdell 0:f7c60d3e7b8a 1150 0x20, 0x31, 0x62, 0x3D, 0x55, 0xB1, 0xE4, 0x71 }
maclobdell 0:f7c60d3e7b8a 1151 };
maclobdell 0:f7c60d3e7b8a 1152 #endif /* MBEDTLS_CIPHER_MODE_CFB */
maclobdell 0:f7c60d3e7b8a 1153
maclobdell 0:f7c60d3e7b8a 1154 #if defined(MBEDTLS_CIPHER_MODE_CTR)
maclobdell 0:f7c60d3e7b8a 1155 /*
maclobdell 0:f7c60d3e7b8a 1156 * AES-CTR test vectors from:
maclobdell 0:f7c60d3e7b8a 1157 *
maclobdell 0:f7c60d3e7b8a 1158 * http://www.faqs.org/rfcs/rfc3686.html
maclobdell 0:f7c60d3e7b8a 1159 */
maclobdell 0:f7c60d3e7b8a 1160
maclobdell 0:f7c60d3e7b8a 1161 static const unsigned char aes_test_ctr_key[3][16] =
maclobdell 0:f7c60d3e7b8a 1162 {
maclobdell 0:f7c60d3e7b8a 1163 { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC,
maclobdell 0:f7c60d3e7b8a 1164 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E },
maclobdell 0:f7c60d3e7b8a 1165 { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7,
maclobdell 0:f7c60d3e7b8a 1166 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 },
maclobdell 0:f7c60d3e7b8a 1167 { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8,
maclobdell 0:f7c60d3e7b8a 1168 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC }
maclobdell 0:f7c60d3e7b8a 1169 };
maclobdell 0:f7c60d3e7b8a 1170
maclobdell 0:f7c60d3e7b8a 1171 static const unsigned char aes_test_ctr_nonce_counter[3][16] =
maclobdell 0:f7c60d3e7b8a 1172 {
maclobdell 0:f7c60d3e7b8a 1173 { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
maclobdell 0:f7c60d3e7b8a 1174 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
maclobdell 0:f7c60d3e7b8a 1175 { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59,
maclobdell 0:f7c60d3e7b8a 1176 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 },
maclobdell 0:f7c60d3e7b8a 1177 { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F,
maclobdell 0:f7c60d3e7b8a 1178 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 }
maclobdell 0:f7c60d3e7b8a 1179 };
maclobdell 0:f7c60d3e7b8a 1180
maclobdell 0:f7c60d3e7b8a 1181 static const unsigned char aes_test_ctr_pt[3][48] =
maclobdell 0:f7c60d3e7b8a 1182 {
maclobdell 0:f7c60d3e7b8a 1183 { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62,
maclobdell 0:f7c60d3e7b8a 1184 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 },
maclobdell 0:f7c60d3e7b8a 1185
maclobdell 0:f7c60d3e7b8a 1186 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
maclobdell 0:f7c60d3e7b8a 1187 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
maclobdell 0:f7c60d3e7b8a 1188 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
maclobdell 0:f7c60d3e7b8a 1189 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
maclobdell 0:f7c60d3e7b8a 1190
maclobdell 0:f7c60d3e7b8a 1191 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
maclobdell 0:f7c60d3e7b8a 1192 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
maclobdell 0:f7c60d3e7b8a 1193 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
maclobdell 0:f7c60d3e7b8a 1194 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
maclobdell 0:f7c60d3e7b8a 1195 0x20, 0x21, 0x22, 0x23 }
maclobdell 0:f7c60d3e7b8a 1196 };
maclobdell 0:f7c60d3e7b8a 1197
maclobdell 0:f7c60d3e7b8a 1198 static const unsigned char aes_test_ctr_ct[3][48] =
maclobdell 0:f7c60d3e7b8a 1199 {
maclobdell 0:f7c60d3e7b8a 1200 { 0xE4, 0x09, 0x5D, 0x4F, 0xB7, 0xA7, 0xB3, 0x79,
maclobdell 0:f7c60d3e7b8a 1201 0x2D, 0x61, 0x75, 0xA3, 0x26, 0x13, 0x11, 0xB8 },
maclobdell 0:f7c60d3e7b8a 1202 { 0x51, 0x04, 0xA1, 0x06, 0x16, 0x8A, 0x72, 0xD9,
maclobdell 0:f7c60d3e7b8a 1203 0x79, 0x0D, 0x41, 0xEE, 0x8E, 0xDA, 0xD3, 0x88,
maclobdell 0:f7c60d3e7b8a 1204 0xEB, 0x2E, 0x1E, 0xFC, 0x46, 0xDA, 0x57, 0xC8,
maclobdell 0:f7c60d3e7b8a 1205 0xFC, 0xE6, 0x30, 0xDF, 0x91, 0x41, 0xBE, 0x28 },
maclobdell 0:f7c60d3e7b8a 1206 { 0xC1, 0xCF, 0x48, 0xA8, 0x9F, 0x2F, 0xFD, 0xD9,
maclobdell 0:f7c60d3e7b8a 1207 0xCF, 0x46, 0x52, 0xE9, 0xEF, 0xDB, 0x72, 0xD7,
maclobdell 0:f7c60d3e7b8a 1208 0x45, 0x40, 0xA4, 0x2B, 0xDE, 0x6D, 0x78, 0x36,
maclobdell 0:f7c60d3e7b8a 1209 0xD5, 0x9A, 0x5C, 0xEA, 0xAE, 0xF3, 0x10, 0x53,
maclobdell 0:f7c60d3e7b8a 1210 0x25, 0xB2, 0x07, 0x2F }
maclobdell 0:f7c60d3e7b8a 1211 };
maclobdell 0:f7c60d3e7b8a 1212
maclobdell 0:f7c60d3e7b8a 1213 static const int aes_test_ctr_len[3] =
maclobdell 0:f7c60d3e7b8a 1214 { 16, 32, 36 };
maclobdell 0:f7c60d3e7b8a 1215 #endif /* MBEDTLS_CIPHER_MODE_CTR */
maclobdell 0:f7c60d3e7b8a 1216
maclobdell 0:f7c60d3e7b8a 1217 /*
maclobdell 0:f7c60d3e7b8a 1218 * Checkup routine
maclobdell 0:f7c60d3e7b8a 1219 */
maclobdell 0:f7c60d3e7b8a 1220 int mbedtls_aes_self_test( int verbose )
maclobdell 0:f7c60d3e7b8a 1221 {
maclobdell 0:f7c60d3e7b8a 1222 int ret = 0, i, j, u, v;
maclobdell 0:f7c60d3e7b8a 1223 unsigned char key[32];
maclobdell 0:f7c60d3e7b8a 1224 unsigned char buf[64];
maclobdell 0:f7c60d3e7b8a 1225 unsigned char iv[16];
maclobdell 0:f7c60d3e7b8a 1226 #if defined(MBEDTLS_CIPHER_MODE_CBC)
maclobdell 0:f7c60d3e7b8a 1227 unsigned char prv[16];
maclobdell 0:f7c60d3e7b8a 1228 #endif
maclobdell 0:f7c60d3e7b8a 1229 #if defined(MBEDTLS_CIPHER_MODE_CTR) || defined(MBEDTLS_CIPHER_MODE_CFB)
maclobdell 0:f7c60d3e7b8a 1230 size_t offset;
maclobdell 0:f7c60d3e7b8a 1231 #endif
maclobdell 0:f7c60d3e7b8a 1232 #if defined(MBEDTLS_CIPHER_MODE_CTR)
maclobdell 0:f7c60d3e7b8a 1233 int len;
maclobdell 0:f7c60d3e7b8a 1234 unsigned char nonce_counter[16];
maclobdell 0:f7c60d3e7b8a 1235 unsigned char stream_block[16];
maclobdell 0:f7c60d3e7b8a 1236 #endif
maclobdell 0:f7c60d3e7b8a 1237 mbedtls_aes_context ctx;
maclobdell 0:f7c60d3e7b8a 1238
maclobdell 0:f7c60d3e7b8a 1239 memset( key, 0, 32 );
maclobdell 0:f7c60d3e7b8a 1240 mbedtls_aes_init( &ctx );
maclobdell 0:f7c60d3e7b8a 1241
maclobdell 0:f7c60d3e7b8a 1242 /*
maclobdell 0:f7c60d3e7b8a 1243 * ECB mode
maclobdell 0:f7c60d3e7b8a 1244 */
maclobdell 0:f7c60d3e7b8a 1245 for( i = 0; i < 6; i++ )
maclobdell 0:f7c60d3e7b8a 1246 {
maclobdell 0:f7c60d3e7b8a 1247 u = i >> 1;
maclobdell 0:f7c60d3e7b8a 1248 v = i & 1;
maclobdell 0:f7c60d3e7b8a 1249
maclobdell 0:f7c60d3e7b8a 1250 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1251 mbedtls_printf( " AES-ECB-%3d (%s): ", 128 + u * 64,
maclobdell 0:f7c60d3e7b8a 1252 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
maclobdell 0:f7c60d3e7b8a 1253
maclobdell 0:f7c60d3e7b8a 1254 memset( buf, 0, 16 );
maclobdell 0:f7c60d3e7b8a 1255
maclobdell 0:f7c60d3e7b8a 1256 if( v == MBEDTLS_AES_DECRYPT )
maclobdell 0:f7c60d3e7b8a 1257 {
maclobdell 0:f7c60d3e7b8a 1258 mbedtls_aes_setkey_dec( &ctx, key, 128 + u * 64 );
maclobdell 0:f7c60d3e7b8a 1259
maclobdell 0:f7c60d3e7b8a 1260 for( j = 0; j < 10000; j++ )
maclobdell 0:f7c60d3e7b8a 1261 mbedtls_aes_crypt_ecb( &ctx, v, buf, buf );
maclobdell 0:f7c60d3e7b8a 1262
maclobdell 0:f7c60d3e7b8a 1263 if( memcmp( buf, aes_test_ecb_dec[u], 16 ) != 0 )
maclobdell 0:f7c60d3e7b8a 1264 {
maclobdell 0:f7c60d3e7b8a 1265 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1266 mbedtls_printf( "failed\n" );
maclobdell 0:f7c60d3e7b8a 1267
maclobdell 0:f7c60d3e7b8a 1268 ret = 1;
maclobdell 0:f7c60d3e7b8a 1269 goto exit;
maclobdell 0:f7c60d3e7b8a 1270 }
maclobdell 0:f7c60d3e7b8a 1271 }
maclobdell 0:f7c60d3e7b8a 1272 else
maclobdell 0:f7c60d3e7b8a 1273 {
maclobdell 0:f7c60d3e7b8a 1274 mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
maclobdell 0:f7c60d3e7b8a 1275
maclobdell 0:f7c60d3e7b8a 1276 for( j = 0; j < 10000; j++ )
maclobdell 0:f7c60d3e7b8a 1277 mbedtls_aes_crypt_ecb( &ctx, v, buf, buf );
maclobdell 0:f7c60d3e7b8a 1278
maclobdell 0:f7c60d3e7b8a 1279 if( memcmp( buf, aes_test_ecb_enc[u], 16 ) != 0 )
maclobdell 0:f7c60d3e7b8a 1280 {
maclobdell 0:f7c60d3e7b8a 1281 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1282 mbedtls_printf( "failed\n" );
maclobdell 0:f7c60d3e7b8a 1283
maclobdell 0:f7c60d3e7b8a 1284 ret = 1;
maclobdell 0:f7c60d3e7b8a 1285 goto exit;
maclobdell 0:f7c60d3e7b8a 1286 }
maclobdell 0:f7c60d3e7b8a 1287 }
maclobdell 0:f7c60d3e7b8a 1288
maclobdell 0:f7c60d3e7b8a 1289 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1290 mbedtls_printf( "passed\n" );
maclobdell 0:f7c60d3e7b8a 1291 }
maclobdell 0:f7c60d3e7b8a 1292
maclobdell 0:f7c60d3e7b8a 1293 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1294 mbedtls_printf( "\n" );
maclobdell 0:f7c60d3e7b8a 1295
maclobdell 0:f7c60d3e7b8a 1296 #if defined(MBEDTLS_CIPHER_MODE_CBC)
maclobdell 0:f7c60d3e7b8a 1297 /*
maclobdell 0:f7c60d3e7b8a 1298 * CBC mode
maclobdell 0:f7c60d3e7b8a 1299 */
maclobdell 0:f7c60d3e7b8a 1300 for( i = 0; i < 6; i++ )
maclobdell 0:f7c60d3e7b8a 1301 {
maclobdell 0:f7c60d3e7b8a 1302 u = i >> 1;
maclobdell 0:f7c60d3e7b8a 1303 v = i & 1;
maclobdell 0:f7c60d3e7b8a 1304
maclobdell 0:f7c60d3e7b8a 1305 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1306 mbedtls_printf( " AES-CBC-%3d (%s): ", 128 + u * 64,
maclobdell 0:f7c60d3e7b8a 1307 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
maclobdell 0:f7c60d3e7b8a 1308
maclobdell 0:f7c60d3e7b8a 1309 memset( iv , 0, 16 );
maclobdell 0:f7c60d3e7b8a 1310 memset( prv, 0, 16 );
maclobdell 0:f7c60d3e7b8a 1311 memset( buf, 0, 16 );
maclobdell 0:f7c60d3e7b8a 1312
maclobdell 0:f7c60d3e7b8a 1313 if( v == MBEDTLS_AES_DECRYPT )
maclobdell 0:f7c60d3e7b8a 1314 {
maclobdell 0:f7c60d3e7b8a 1315 mbedtls_aes_setkey_dec( &ctx, key, 128 + u * 64 );
maclobdell 0:f7c60d3e7b8a 1316
maclobdell 0:f7c60d3e7b8a 1317 for( j = 0; j < 10000; j++ )
maclobdell 0:f7c60d3e7b8a 1318 mbedtls_aes_crypt_cbc( &ctx, v, 16, iv, buf, buf );
maclobdell 0:f7c60d3e7b8a 1319
maclobdell 0:f7c60d3e7b8a 1320 if( memcmp( buf, aes_test_cbc_dec[u], 16 ) != 0 )
maclobdell 0:f7c60d3e7b8a 1321 {
maclobdell 0:f7c60d3e7b8a 1322 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1323 mbedtls_printf( "failed\n" );
maclobdell 0:f7c60d3e7b8a 1324
maclobdell 0:f7c60d3e7b8a 1325 ret = 1;
maclobdell 0:f7c60d3e7b8a 1326 goto exit;
maclobdell 0:f7c60d3e7b8a 1327 }
maclobdell 0:f7c60d3e7b8a 1328 }
maclobdell 0:f7c60d3e7b8a 1329 else
maclobdell 0:f7c60d3e7b8a 1330 {
maclobdell 0:f7c60d3e7b8a 1331 mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
maclobdell 0:f7c60d3e7b8a 1332
maclobdell 0:f7c60d3e7b8a 1333 for( j = 0; j < 10000; j++ )
maclobdell 0:f7c60d3e7b8a 1334 {
maclobdell 0:f7c60d3e7b8a 1335 unsigned char tmp[16];
maclobdell 0:f7c60d3e7b8a 1336
maclobdell 0:f7c60d3e7b8a 1337 mbedtls_aes_crypt_cbc( &ctx, v, 16, iv, buf, buf );
maclobdell 0:f7c60d3e7b8a 1338
maclobdell 0:f7c60d3e7b8a 1339 memcpy( tmp, prv, 16 );
maclobdell 0:f7c60d3e7b8a 1340 memcpy( prv, buf, 16 );
maclobdell 0:f7c60d3e7b8a 1341 memcpy( buf, tmp, 16 );
maclobdell 0:f7c60d3e7b8a 1342 }
maclobdell 0:f7c60d3e7b8a 1343
maclobdell 0:f7c60d3e7b8a 1344 if( memcmp( prv, aes_test_cbc_enc[u], 16 ) != 0 )
maclobdell 0:f7c60d3e7b8a 1345 {
maclobdell 0:f7c60d3e7b8a 1346 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1347 mbedtls_printf( "failed\n" );
maclobdell 0:f7c60d3e7b8a 1348
maclobdell 0:f7c60d3e7b8a 1349 ret = 1;
maclobdell 0:f7c60d3e7b8a 1350 goto exit;
maclobdell 0:f7c60d3e7b8a 1351 }
maclobdell 0:f7c60d3e7b8a 1352 }
maclobdell 0:f7c60d3e7b8a 1353
maclobdell 0:f7c60d3e7b8a 1354 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1355 mbedtls_printf( "passed\n" );
maclobdell 0:f7c60d3e7b8a 1356 }
maclobdell 0:f7c60d3e7b8a 1357
maclobdell 0:f7c60d3e7b8a 1358 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1359 mbedtls_printf( "\n" );
maclobdell 0:f7c60d3e7b8a 1360 #endif /* MBEDTLS_CIPHER_MODE_CBC */
maclobdell 0:f7c60d3e7b8a 1361
maclobdell 0:f7c60d3e7b8a 1362 #if defined(MBEDTLS_CIPHER_MODE_CFB)
maclobdell 0:f7c60d3e7b8a 1363 /*
maclobdell 0:f7c60d3e7b8a 1364 * CFB128 mode
maclobdell 0:f7c60d3e7b8a 1365 */
maclobdell 0:f7c60d3e7b8a 1366 for( i = 0; i < 6; i++ )
maclobdell 0:f7c60d3e7b8a 1367 {
maclobdell 0:f7c60d3e7b8a 1368 u = i >> 1;
maclobdell 0:f7c60d3e7b8a 1369 v = i & 1;
maclobdell 0:f7c60d3e7b8a 1370
maclobdell 0:f7c60d3e7b8a 1371 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1372 mbedtls_printf( " AES-CFB128-%3d (%s): ", 128 + u * 64,
maclobdell 0:f7c60d3e7b8a 1373 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
maclobdell 0:f7c60d3e7b8a 1374
maclobdell 0:f7c60d3e7b8a 1375 memcpy( iv, aes_test_cfb128_iv, 16 );
maclobdell 0:f7c60d3e7b8a 1376 memcpy( key, aes_test_cfb128_key[u], 16 + u * 8 );
maclobdell 0:f7c60d3e7b8a 1377
maclobdell 0:f7c60d3e7b8a 1378 offset = 0;
maclobdell 0:f7c60d3e7b8a 1379 mbedtls_aes_setkey_enc( &ctx, key, 128 + u * 64 );
maclobdell 0:f7c60d3e7b8a 1380
maclobdell 0:f7c60d3e7b8a 1381 if( v == MBEDTLS_AES_DECRYPT )
maclobdell 0:f7c60d3e7b8a 1382 {
maclobdell 0:f7c60d3e7b8a 1383 memcpy( buf, aes_test_cfb128_ct[u], 64 );
maclobdell 0:f7c60d3e7b8a 1384 mbedtls_aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
maclobdell 0:f7c60d3e7b8a 1385
maclobdell 0:f7c60d3e7b8a 1386 if( memcmp( buf, aes_test_cfb128_pt, 64 ) != 0 )
maclobdell 0:f7c60d3e7b8a 1387 {
maclobdell 0:f7c60d3e7b8a 1388 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1389 mbedtls_printf( "failed\n" );
maclobdell 0:f7c60d3e7b8a 1390
maclobdell 0:f7c60d3e7b8a 1391 ret = 1;
maclobdell 0:f7c60d3e7b8a 1392 goto exit;
maclobdell 0:f7c60d3e7b8a 1393 }
maclobdell 0:f7c60d3e7b8a 1394 }
maclobdell 0:f7c60d3e7b8a 1395 else
maclobdell 0:f7c60d3e7b8a 1396 {
maclobdell 0:f7c60d3e7b8a 1397 memcpy( buf, aes_test_cfb128_pt, 64 );
maclobdell 0:f7c60d3e7b8a 1398 mbedtls_aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
maclobdell 0:f7c60d3e7b8a 1399
maclobdell 0:f7c60d3e7b8a 1400 if( memcmp( buf, aes_test_cfb128_ct[u], 64 ) != 0 )
maclobdell 0:f7c60d3e7b8a 1401 {
maclobdell 0:f7c60d3e7b8a 1402 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1403 mbedtls_printf( "failed\n" );
maclobdell 0:f7c60d3e7b8a 1404
maclobdell 0:f7c60d3e7b8a 1405 ret = 1;
maclobdell 0:f7c60d3e7b8a 1406 goto exit;
maclobdell 0:f7c60d3e7b8a 1407 }
maclobdell 0:f7c60d3e7b8a 1408 }
maclobdell 0:f7c60d3e7b8a 1409
maclobdell 0:f7c60d3e7b8a 1410 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1411 mbedtls_printf( "passed\n" );
maclobdell 0:f7c60d3e7b8a 1412 }
maclobdell 0:f7c60d3e7b8a 1413
maclobdell 0:f7c60d3e7b8a 1414 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1415 mbedtls_printf( "\n" );
maclobdell 0:f7c60d3e7b8a 1416 #endif /* MBEDTLS_CIPHER_MODE_CFB */
maclobdell 0:f7c60d3e7b8a 1417
maclobdell 0:f7c60d3e7b8a 1418 #if defined(MBEDTLS_CIPHER_MODE_CTR)
maclobdell 0:f7c60d3e7b8a 1419 /*
maclobdell 0:f7c60d3e7b8a 1420 * CTR mode
maclobdell 0:f7c60d3e7b8a 1421 */
maclobdell 0:f7c60d3e7b8a 1422 for( i = 0; i < 6; i++ )
maclobdell 0:f7c60d3e7b8a 1423 {
maclobdell 0:f7c60d3e7b8a 1424 u = i >> 1;
maclobdell 0:f7c60d3e7b8a 1425 v = i & 1;
maclobdell 0:f7c60d3e7b8a 1426
maclobdell 0:f7c60d3e7b8a 1427 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1428 mbedtls_printf( " AES-CTR-128 (%s): ",
maclobdell 0:f7c60d3e7b8a 1429 ( v == MBEDTLS_AES_DECRYPT ) ? "dec" : "enc" );
maclobdell 0:f7c60d3e7b8a 1430
maclobdell 0:f7c60d3e7b8a 1431 memcpy( nonce_counter, aes_test_ctr_nonce_counter[u], 16 );
maclobdell 0:f7c60d3e7b8a 1432 memcpy( key, aes_test_ctr_key[u], 16 );
maclobdell 0:f7c60d3e7b8a 1433
maclobdell 0:f7c60d3e7b8a 1434 offset = 0;
maclobdell 0:f7c60d3e7b8a 1435 mbedtls_aes_setkey_enc( &ctx, key, 128 );
maclobdell 0:f7c60d3e7b8a 1436
maclobdell 0:f7c60d3e7b8a 1437 if( v == MBEDTLS_AES_DECRYPT )
maclobdell 0:f7c60d3e7b8a 1438 {
maclobdell 0:f7c60d3e7b8a 1439 len = aes_test_ctr_len[u];
maclobdell 0:f7c60d3e7b8a 1440 memcpy( buf, aes_test_ctr_ct[u], len );
maclobdell 0:f7c60d3e7b8a 1441
maclobdell 0:f7c60d3e7b8a 1442 mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
maclobdell 0:f7c60d3e7b8a 1443 buf, buf );
maclobdell 0:f7c60d3e7b8a 1444
maclobdell 0:f7c60d3e7b8a 1445 if( memcmp( buf, aes_test_ctr_pt[u], len ) != 0 )
maclobdell 0:f7c60d3e7b8a 1446 {
maclobdell 0:f7c60d3e7b8a 1447 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1448 mbedtls_printf( "failed\n" );
maclobdell 0:f7c60d3e7b8a 1449
maclobdell 0:f7c60d3e7b8a 1450 ret = 1;
maclobdell 0:f7c60d3e7b8a 1451 goto exit;
maclobdell 0:f7c60d3e7b8a 1452 }
maclobdell 0:f7c60d3e7b8a 1453 }
maclobdell 0:f7c60d3e7b8a 1454 else
maclobdell 0:f7c60d3e7b8a 1455 {
maclobdell 0:f7c60d3e7b8a 1456 len = aes_test_ctr_len[u];
maclobdell 0:f7c60d3e7b8a 1457 memcpy( buf, aes_test_ctr_pt[u], len );
maclobdell 0:f7c60d3e7b8a 1458
maclobdell 0:f7c60d3e7b8a 1459 mbedtls_aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
maclobdell 0:f7c60d3e7b8a 1460 buf, buf );
maclobdell 0:f7c60d3e7b8a 1461
maclobdell 0:f7c60d3e7b8a 1462 if( memcmp( buf, aes_test_ctr_ct[u], len ) != 0 )
maclobdell 0:f7c60d3e7b8a 1463 {
maclobdell 0:f7c60d3e7b8a 1464 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1465 mbedtls_printf( "failed\n" );
maclobdell 0:f7c60d3e7b8a 1466
maclobdell 0:f7c60d3e7b8a 1467 ret = 1;
maclobdell 0:f7c60d3e7b8a 1468 goto exit;
maclobdell 0:f7c60d3e7b8a 1469 }
maclobdell 0:f7c60d3e7b8a 1470 }
maclobdell 0:f7c60d3e7b8a 1471
maclobdell 0:f7c60d3e7b8a 1472 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1473 mbedtls_printf( "passed\n" );
maclobdell 0:f7c60d3e7b8a 1474 }
maclobdell 0:f7c60d3e7b8a 1475
maclobdell 0:f7c60d3e7b8a 1476 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 1477 mbedtls_printf( "\n" );
maclobdell 0:f7c60d3e7b8a 1478 #endif /* MBEDTLS_CIPHER_MODE_CTR */
maclobdell 0:f7c60d3e7b8a 1479
maclobdell 0:f7c60d3e7b8a 1480 ret = 0;
maclobdell 0:f7c60d3e7b8a 1481
maclobdell 0:f7c60d3e7b8a 1482 exit:
maclobdell 0:f7c60d3e7b8a 1483 mbedtls_aes_free( &ctx );
maclobdell 0:f7c60d3e7b8a 1484
maclobdell 0:f7c60d3e7b8a 1485 return( ret );
maclobdell 0:f7c60d3e7b8a 1486 }
maclobdell 0:f7c60d3e7b8a 1487
maclobdell 0:f7c60d3e7b8a 1488 #endif /* MBEDTLS_SELF_TEST */
maclobdell 0:f7c60d3e7b8a 1489
maclobdell 0:f7c60d3e7b8a 1490 #endif /* MBEDTLS_AES_C */