Nathen Gallardojohnson / WNCInterface

I added functionality to get the RSSI, BER, and Cell Neighbor for reporting connection issues to M2X

Dependencies:   WncControllerK64F

mbedtls/source/des.c@16:8a4105d407d3, 2016-11-14 (annotated)

Committer:
JMF
Date:
Mon Nov 14 21:15:42 2016 +0000
Revision:
16:8a4105d407d3
Parent:
12:0071cb144c7a 
updated to ensure it builds with TLS by correcting config defaults.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 12:0071cb144c7a 1 /*
JMF 12:0071cb144c7a 2 * FIPS-46-3 compliant Triple-DES implementation
JMF 12:0071cb144c7a 3 *
JMF 12:0071cb144c7a 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
JMF 12:0071cb144c7a 5 * SPDX-License-Identifier: Apache-2.0
JMF 12:0071cb144c7a 6 *
JMF 12:0071cb144c7a 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
JMF 12:0071cb144c7a 8 * not use this file except in compliance with the License.
JMF 12:0071cb144c7a 9 * You may obtain a copy of the License at
JMF 12:0071cb144c7a 10 *
JMF 12:0071cb144c7a 11 * http://www.apache.org/licenses/LICENSE-2.0
JMF 12:0071cb144c7a 12 *
JMF 12:0071cb144c7a 13 * Unless required by applicable law or agreed to in writing, software
JMF 12:0071cb144c7a 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
JMF 12:0071cb144c7a 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
JMF 12:0071cb144c7a 16 * See the License for the specific language governing permissions and
JMF 12:0071cb144c7a 17 * limitations under the License.
JMF 12:0071cb144c7a 18 *
JMF 12:0071cb144c7a 19 * This file is part of mbed TLS (https://tls.mbed.org)
JMF 12:0071cb144c7a 20 */
JMF 12:0071cb144c7a 21 /*
JMF 12:0071cb144c7a 22 * DES, on which TDES is based, was originally designed by Horst Feistel
JMF 12:0071cb144c7a 23 * at IBM in 1974, and was adopted as a standard by NIST (formerly NBS).
JMF 12:0071cb144c7a 24 *
JMF 12:0071cb144c7a 25 * http://csrc.nist.gov/publications/fips/fips46-3/fips46-3.pdf
JMF 12:0071cb144c7a 26 */
JMF 12:0071cb144c7a 27
JMF 12:0071cb144c7a 28 #if !defined(MBEDTLS_CONFIG_FILE)
JMF 12:0071cb144c7a 29 #include "mbedtls/config.h"
JMF 12:0071cb144c7a 30 #else
JMF 12:0071cb144c7a 31 #include MBEDTLS_CONFIG_FILE
JMF 12:0071cb144c7a 32 #endif
JMF 12:0071cb144c7a 33
JMF 12:0071cb144c7a 34 #if defined(MBEDTLS_DES_C)
JMF 12:0071cb144c7a 35
JMF 12:0071cb144c7a 36 #include "mbedtls/des.h"
JMF 12:0071cb144c7a 37
JMF 12:0071cb144c7a 38 #include <string.h>
JMF 12:0071cb144c7a 39
JMF 12:0071cb144c7a 40 #if defined(MBEDTLS_SELF_TEST)
JMF 12:0071cb144c7a 41 #if defined(MBEDTLS_PLATFORM_C)
JMF 12:0071cb144c7a 42 #include "mbedtls/platform.h"
JMF 12:0071cb144c7a 43 #else
JMF 12:0071cb144c7a 44 #include <stdio.h>
JMF 12:0071cb144c7a 45 #define mbedtls_printf pc.printf
JMF 12:0071cb144c7a 46 #endif /* MBEDTLS_PLATFORM_C */
JMF 12:0071cb144c7a 47 #endif /* MBEDTLS_SELF_TEST */
JMF 12:0071cb144c7a 48
JMF 12:0071cb144c7a 49
JMF 12:0071cb144c7a 50 #if !defined(MBEDTLS_DES_ALT)
JMF 12:0071cb144c7a 51
JMF 12:0071cb144c7a 52 /* Implementation that should never be optimized out by the compiler */
JMF 12:0071cb144c7a 53 static void mbedtls_zeroize( void *v, size_t n ) {
JMF 12:0071cb144c7a 54 volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
JMF 12:0071cb144c7a 55 }
JMF 12:0071cb144c7a 56
JMF 12:0071cb144c7a 57 /*
JMF 12:0071cb144c7a 58 * 32-bit integer manipulation macros (big endian)
JMF 12:0071cb144c7a 59 */
JMF 12:0071cb144c7a 60 #ifndef GET_UINT32_BE
JMF 12:0071cb144c7a 61 #define GET_UINT32_BE(n,b,i) \
JMF 12:0071cb144c7a 62 { \
JMF 12:0071cb144c7a 63 (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
JMF 12:0071cb144c7a 64 | ( (uint32_t) (b)[(i) + 1] << 16 ) \
JMF 12:0071cb144c7a 65 | ( (uint32_t) (b)[(i) + 2] << 8 ) \
JMF 12:0071cb144c7a 66 | ( (uint32_t) (b)[(i) + 3] ); \
JMF 12:0071cb144c7a 67 }
JMF 12:0071cb144c7a 68 #endif
JMF 12:0071cb144c7a 69
JMF 12:0071cb144c7a 70 #ifndef PUT_UINT32_BE
JMF 12:0071cb144c7a 71 #define PUT_UINT32_BE(n,b,i) \
JMF 12:0071cb144c7a 72 { \
JMF 12:0071cb144c7a 73 (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
JMF 12:0071cb144c7a 74 (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
JMF 12:0071cb144c7a 75 (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
JMF 12:0071cb144c7a 76 (b)[(i) + 3] = (unsigned char) ( (n) ); \
JMF 12:0071cb144c7a 77 }
JMF 12:0071cb144c7a 78 #endif
JMF 12:0071cb144c7a 79
JMF 12:0071cb144c7a 80 /*
JMF 12:0071cb144c7a 81 * Expanded DES S-boxes
JMF 12:0071cb144c7a 82 */
JMF 12:0071cb144c7a 83 static const uint32_t SB1[64] =
JMF 12:0071cb144c7a 84 {
JMF 12:0071cb144c7a 85 0x01010400, 0x00000000, 0x00010000, 0x01010404,
JMF 12:0071cb144c7a 86 0x01010004, 0x00010404, 0x00000004, 0x00010000,
JMF 12:0071cb144c7a 87 0x00000400, 0x01010400, 0x01010404, 0x00000400,
JMF 12:0071cb144c7a 88 0x01000404, 0x01010004, 0x01000000, 0x00000004,
JMF 12:0071cb144c7a 89 0x00000404, 0x01000400, 0x01000400, 0x00010400,
JMF 12:0071cb144c7a 90 0x00010400, 0x01010000, 0x01010000, 0x01000404,
JMF 12:0071cb144c7a 91 0x00010004, 0x01000004, 0x01000004, 0x00010004,
JMF 12:0071cb144c7a 92 0x00000000, 0x00000404, 0x00010404, 0x01000000,
JMF 12:0071cb144c7a 93 0x00010000, 0x01010404, 0x00000004, 0x01010000,
JMF 12:0071cb144c7a 94 0x01010400, 0x01000000, 0x01000000, 0x00000400,
JMF 12:0071cb144c7a 95 0x01010004, 0x00010000, 0x00010400, 0x01000004,
JMF 12:0071cb144c7a 96 0x00000400, 0x00000004, 0x01000404, 0x00010404,
JMF 12:0071cb144c7a 97 0x01010404, 0x00010004, 0x01010000, 0x01000404,
JMF 12:0071cb144c7a 98 0x01000004, 0x00000404, 0x00010404, 0x01010400,
JMF 12:0071cb144c7a 99 0x00000404, 0x01000400, 0x01000400, 0x00000000,
JMF 12:0071cb144c7a 100 0x00010004, 0x00010400, 0x00000000, 0x01010004
JMF 12:0071cb144c7a 101 };
JMF 12:0071cb144c7a 102
JMF 12:0071cb144c7a 103 static const uint32_t SB2[64] =
JMF 12:0071cb144c7a 104 {
JMF 12:0071cb144c7a 105 0x80108020, 0x80008000, 0x00008000, 0x00108020,
JMF 12:0071cb144c7a 106 0x00100000, 0x00000020, 0x80100020, 0x80008020,
JMF 12:0071cb144c7a 107 0x80000020, 0x80108020, 0x80108000, 0x80000000,
JMF 12:0071cb144c7a 108 0x80008000, 0x00100000, 0x00000020, 0x80100020,
JMF 12:0071cb144c7a 109 0x00108000, 0x00100020, 0x80008020, 0x00000000,
JMF 12:0071cb144c7a 110 0x80000000, 0x00008000, 0x00108020, 0x80100000,
JMF 12:0071cb144c7a 111 0x00100020, 0x80000020, 0x00000000, 0x00108000,
JMF 12:0071cb144c7a 112 0x00008020, 0x80108000, 0x80100000, 0x00008020,
JMF 12:0071cb144c7a 113 0x00000000, 0x00108020, 0x80100020, 0x00100000,
JMF 12:0071cb144c7a 114 0x80008020, 0x80100000, 0x80108000, 0x00008000,
JMF 12:0071cb144c7a 115 0x80100000, 0x80008000, 0x00000020, 0x80108020,
JMF 12:0071cb144c7a 116 0x00108020, 0x00000020, 0x00008000, 0x80000000,
JMF 12:0071cb144c7a 117 0x00008020, 0x80108000, 0x00100000, 0x80000020,
JMF 12:0071cb144c7a 118 0x00100020, 0x80008020, 0x80000020, 0x00100020,
JMF 12:0071cb144c7a 119 0x00108000, 0x00000000, 0x80008000, 0x00008020,
JMF 12:0071cb144c7a 120 0x80000000, 0x80100020, 0x80108020, 0x00108000
JMF 12:0071cb144c7a 121 };
JMF 12:0071cb144c7a 122
JMF 12:0071cb144c7a 123 static const uint32_t SB3[64] =
JMF 12:0071cb144c7a 124 {
JMF 12:0071cb144c7a 125 0x00000208, 0x08020200, 0x00000000, 0x08020008,
JMF 12:0071cb144c7a 126 0x08000200, 0x00000000, 0x00020208, 0x08000200,
JMF 12:0071cb144c7a 127 0x00020008, 0x08000008, 0x08000008, 0x00020000,
JMF 12:0071cb144c7a 128 0x08020208, 0x00020008, 0x08020000, 0x00000208,
JMF 12:0071cb144c7a 129 0x08000000, 0x00000008, 0x08020200, 0x00000200,
JMF 12:0071cb144c7a 130 0x00020200, 0x08020000, 0x08020008, 0x00020208,
JMF 12:0071cb144c7a 131 0x08000208, 0x00020200, 0x00020000, 0x08000208,
JMF 12:0071cb144c7a 132 0x00000008, 0x08020208, 0x00000200, 0x08000000,
JMF 12:0071cb144c7a 133 0x08020200, 0x08000000, 0x00020008, 0x00000208,
JMF 12:0071cb144c7a 134 0x00020000, 0x08020200, 0x08000200, 0x00000000,
JMF 12:0071cb144c7a 135 0x00000200, 0x00020008, 0x08020208, 0x08000200,
JMF 12:0071cb144c7a 136 0x08000008, 0x00000200, 0x00000000, 0x08020008,
JMF 12:0071cb144c7a 137 0x08000208, 0x00020000, 0x08000000, 0x08020208,
JMF 12:0071cb144c7a 138 0x00000008, 0x00020208, 0x00020200, 0x08000008,
JMF 12:0071cb144c7a 139 0x08020000, 0x08000208, 0x00000208, 0x08020000,
JMF 12:0071cb144c7a 140 0x00020208, 0x00000008, 0x08020008, 0x00020200
JMF 12:0071cb144c7a 141 };
JMF 12:0071cb144c7a 142
JMF 12:0071cb144c7a 143 static const uint32_t SB4[64] =
JMF 12:0071cb144c7a 144 {
JMF 12:0071cb144c7a 145 0x00802001, 0x00002081, 0x00002081, 0x00000080,
JMF 12:0071cb144c7a 146 0x00802080, 0x00800081, 0x00800001, 0x00002001,
JMF 12:0071cb144c7a 147 0x00000000, 0x00802000, 0x00802000, 0x00802081,
JMF 12:0071cb144c7a 148 0x00000081, 0x00000000, 0x00800080, 0x00800001,
JMF 12:0071cb144c7a 149 0x00000001, 0x00002000, 0x00800000, 0x00802001,
JMF 12:0071cb144c7a 150 0x00000080, 0x00800000, 0x00002001, 0x00002080,
JMF 12:0071cb144c7a 151 0x00800081, 0x00000001, 0x00002080, 0x00800080,
JMF 12:0071cb144c7a 152 0x00002000, 0x00802080, 0x00802081, 0x00000081,
JMF 12:0071cb144c7a 153 0x00800080, 0x00800001, 0x00802000, 0x00802081,
JMF 12:0071cb144c7a 154 0x00000081, 0x00000000, 0x00000000, 0x00802000,
JMF 12:0071cb144c7a 155 0x00002080, 0x00800080, 0x00800081, 0x00000001,
JMF 12:0071cb144c7a 156 0x00802001, 0x00002081, 0x00002081, 0x00000080,
JMF 12:0071cb144c7a 157 0x00802081, 0x00000081, 0x00000001, 0x00002000,
JMF 12:0071cb144c7a 158 0x00800001, 0x00002001, 0x00802080, 0x00800081,
JMF 12:0071cb144c7a 159 0x00002001, 0x00002080, 0x00800000, 0x00802001,
JMF 12:0071cb144c7a 160 0x00000080, 0x00800000, 0x00002000, 0x00802080
JMF 12:0071cb144c7a 161 };
JMF 12:0071cb144c7a 162
JMF 12:0071cb144c7a 163 static const uint32_t SB5[64] =
JMF 12:0071cb144c7a 164 {
JMF 12:0071cb144c7a 165 0x00000100, 0x02080100, 0x02080000, 0x42000100,
JMF 12:0071cb144c7a 166 0x00080000, 0x00000100, 0x40000000, 0x02080000,
JMF 12:0071cb144c7a 167 0x40080100, 0x00080000, 0x02000100, 0x40080100,
JMF 12:0071cb144c7a 168 0x42000100, 0x42080000, 0x00080100, 0x40000000,
JMF 12:0071cb144c7a 169 0x02000000, 0x40080000, 0x40080000, 0x00000000,
JMF 12:0071cb144c7a 170 0x40000100, 0x42080100, 0x42080100, 0x02000100,
JMF 12:0071cb144c7a 171 0x42080000, 0x40000100, 0x00000000, 0x42000000,
JMF 12:0071cb144c7a 172 0x02080100, 0x02000000, 0x42000000, 0x00080100,
JMF 12:0071cb144c7a 173 0x00080000, 0x42000100, 0x00000100, 0x02000000,
JMF 12:0071cb144c7a 174 0x40000000, 0x02080000, 0x42000100, 0x40080100,
JMF 12:0071cb144c7a 175 0x02000100, 0x40000000, 0x42080000, 0x02080100,
JMF 12:0071cb144c7a 176 0x40080100, 0x00000100, 0x02000000, 0x42080000,
JMF 12:0071cb144c7a 177 0x42080100, 0x00080100, 0x42000000, 0x42080100,
JMF 12:0071cb144c7a 178 0x02080000, 0x00000000, 0x40080000, 0x42000000,
JMF 12:0071cb144c7a 179 0x00080100, 0x02000100, 0x40000100, 0x00080000,
JMF 12:0071cb144c7a 180 0x00000000, 0x40080000, 0x02080100, 0x40000100
JMF 12:0071cb144c7a 181 };
JMF 12:0071cb144c7a 182
JMF 12:0071cb144c7a 183 static const uint32_t SB6[64] =
JMF 12:0071cb144c7a 184 {
JMF 12:0071cb144c7a 185 0x20000010, 0x20400000, 0x00004000, 0x20404010,
JMF 12:0071cb144c7a 186 0x20400000, 0x00000010, 0x20404010, 0x00400000,
JMF 12:0071cb144c7a 187 0x20004000, 0x00404010, 0x00400000, 0x20000010,
JMF 12:0071cb144c7a 188 0x00400010, 0x20004000, 0x20000000, 0x00004010,
JMF 12:0071cb144c7a 189 0x00000000, 0x00400010, 0x20004010, 0x00004000,
JMF 12:0071cb144c7a 190 0x00404000, 0x20004010, 0x00000010, 0x20400010,
JMF 12:0071cb144c7a 191 0x20400010, 0x00000000, 0x00404010, 0x20404000,
JMF 12:0071cb144c7a 192 0x00004010, 0x00404000, 0x20404000, 0x20000000,
JMF 12:0071cb144c7a 193 0x20004000, 0x00000010, 0x20400010, 0x00404000,
JMF 12:0071cb144c7a 194 0x20404010, 0x00400000, 0x00004010, 0x20000010,
JMF 12:0071cb144c7a 195 0x00400000, 0x20004000, 0x20000000, 0x00004010,
JMF 12:0071cb144c7a 196 0x20000010, 0x20404010, 0x00404000, 0x20400000,
JMF 12:0071cb144c7a 197 0x00404010, 0x20404000, 0x00000000, 0x20400010,
JMF 12:0071cb144c7a 198 0x00000010, 0x00004000, 0x20400000, 0x00404010,
JMF 12:0071cb144c7a 199 0x00004000, 0x00400010, 0x20004010, 0x00000000,
JMF 12:0071cb144c7a 200 0x20404000, 0x20000000, 0x00400010, 0x20004010
JMF 12:0071cb144c7a 201 };
JMF 12:0071cb144c7a 202
JMF 12:0071cb144c7a 203 static const uint32_t SB7[64] =
JMF 12:0071cb144c7a 204 {
JMF 12:0071cb144c7a 205 0x00200000, 0x04200002, 0x04000802, 0x00000000,
JMF 12:0071cb144c7a 206 0x00000800, 0x04000802, 0x00200802, 0x04200800,
JMF 12:0071cb144c7a 207 0x04200802, 0x00200000, 0x00000000, 0x04000002,
JMF 12:0071cb144c7a 208 0x00000002, 0x04000000, 0x04200002, 0x00000802,
JMF 12:0071cb144c7a 209 0x04000800, 0x00200802, 0x00200002, 0x04000800,
JMF 12:0071cb144c7a 210 0x04000002, 0x04200000, 0x04200800, 0x00200002,
JMF 12:0071cb144c7a 211 0x04200000, 0x00000800, 0x00000802, 0x04200802,
JMF 12:0071cb144c7a 212 0x00200800, 0x00000002, 0x04000000, 0x00200800,
JMF 12:0071cb144c7a 213 0x04000000, 0x00200800, 0x00200000, 0x04000802,
JMF 12:0071cb144c7a 214 0x04000802, 0x04200002, 0x04200002, 0x00000002,
JMF 12:0071cb144c7a 215 0x00200002, 0x04000000, 0x04000800, 0x00200000,
JMF 12:0071cb144c7a 216 0x04200800, 0x00000802, 0x00200802, 0x04200800,
JMF 12:0071cb144c7a 217 0x00000802, 0x04000002, 0x04200802, 0x04200000,
JMF 12:0071cb144c7a 218 0x00200800, 0x00000000, 0x00000002, 0x04200802,
JMF 12:0071cb144c7a 219 0x00000000, 0x00200802, 0x04200000, 0x00000800,
JMF 12:0071cb144c7a 220 0x04000002, 0x04000800, 0x00000800, 0x00200002
JMF 12:0071cb144c7a 221 };
JMF 12:0071cb144c7a 222
JMF 12:0071cb144c7a 223 static const uint32_t SB8[64] =
JMF 12:0071cb144c7a 224 {
JMF 12:0071cb144c7a 225 0x10001040, 0x00001000, 0x00040000, 0x10041040,
JMF 12:0071cb144c7a 226 0x10000000, 0x10001040, 0x00000040, 0x10000000,
JMF 12:0071cb144c7a 227 0x00040040, 0x10040000, 0x10041040, 0x00041000,
JMF 12:0071cb144c7a 228 0x10041000, 0x00041040, 0x00001000, 0x00000040,
JMF 12:0071cb144c7a 229 0x10040000, 0x10000040, 0x10001000, 0x00001040,
JMF 12:0071cb144c7a 230 0x00041000, 0x00040040, 0x10040040, 0x10041000,
JMF 12:0071cb144c7a 231 0x00001040, 0x00000000, 0x00000000, 0x10040040,
JMF 12:0071cb144c7a 232 0x10000040, 0x10001000, 0x00041040, 0x00040000,
JMF 12:0071cb144c7a 233 0x00041040, 0x00040000, 0x10041000, 0x00001000,
JMF 12:0071cb144c7a 234 0x00000040, 0x10040040, 0x00001000, 0x00041040,
JMF 12:0071cb144c7a 235 0x10001000, 0x00000040, 0x10000040, 0x10040000,
JMF 12:0071cb144c7a 236 0x10040040, 0x10000000, 0x00040000, 0x10001040,
JMF 12:0071cb144c7a 237 0x00000000, 0x10041040, 0x00040040, 0x10000040,
JMF 12:0071cb144c7a 238 0x10040000, 0x10001000, 0x10001040, 0x00000000,
JMF 12:0071cb144c7a 239 0x10041040, 0x00041000, 0x00041000, 0x00001040,
JMF 12:0071cb144c7a 240 0x00001040, 0x00040040, 0x10000000, 0x10041000
JMF 12:0071cb144c7a 241 };
JMF 12:0071cb144c7a 242
JMF 12:0071cb144c7a 243 /*
JMF 12:0071cb144c7a 244 * PC1: left and right halves bit-swap
JMF 12:0071cb144c7a 245 */
JMF 12:0071cb144c7a 246 static const uint32_t LHs[16] =
JMF 12:0071cb144c7a 247 {
JMF 12:0071cb144c7a 248 0x00000000, 0x00000001, 0x00000100, 0x00000101,
JMF 12:0071cb144c7a 249 0x00010000, 0x00010001, 0x00010100, 0x00010101,
JMF 12:0071cb144c7a 250 0x01000000, 0x01000001, 0x01000100, 0x01000101,
JMF 12:0071cb144c7a 251 0x01010000, 0x01010001, 0x01010100, 0x01010101
JMF 12:0071cb144c7a 252 };
JMF 12:0071cb144c7a 253
JMF 12:0071cb144c7a 254 static const uint32_t RHs[16] =
JMF 12:0071cb144c7a 255 {
JMF 12:0071cb144c7a 256 0x00000000, 0x01000000, 0x00010000, 0x01010000,
JMF 12:0071cb144c7a 257 0x00000100, 0x01000100, 0x00010100, 0x01010100,
JMF 12:0071cb144c7a 258 0x00000001, 0x01000001, 0x00010001, 0x01010001,
JMF 12:0071cb144c7a 259 0x00000101, 0x01000101, 0x00010101, 0x01010101,
JMF 12:0071cb144c7a 260 };
JMF 12:0071cb144c7a 261
JMF 12:0071cb144c7a 262 /*
JMF 12:0071cb144c7a 263 * Initial Permutation macro
JMF 12:0071cb144c7a 264 */
JMF 12:0071cb144c7a 265 #define DES_IP(X,Y) \
JMF 12:0071cb144c7a 266 { \
JMF 12:0071cb144c7a 267 T = ((X >> 4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T << 4); \
JMF 12:0071cb144c7a 268 T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16); \
JMF 12:0071cb144c7a 269 T = ((Y >> 2) ^ X) & 0x33333333; X ^= T; Y ^= (T << 2); \
JMF 12:0071cb144c7a 270 T = ((Y >> 8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T << 8); \
JMF 12:0071cb144c7a 271 Y = ((Y << 1) | (Y >> 31)) & 0xFFFFFFFF; \
JMF 12:0071cb144c7a 272 T = (X ^ Y) & 0xAAAAAAAA; Y ^= T; X ^= T; \
JMF 12:0071cb144c7a 273 X = ((X << 1) | (X >> 31)) & 0xFFFFFFFF; \
JMF 12:0071cb144c7a 274 }
JMF 12:0071cb144c7a 275
JMF 12:0071cb144c7a 276 /*
JMF 12:0071cb144c7a 277 * Final Permutation macro
JMF 12:0071cb144c7a 278 */
JMF 12:0071cb144c7a 279 #define DES_FP(X,Y) \
JMF 12:0071cb144c7a 280 { \
JMF 12:0071cb144c7a 281 X = ((X << 31) | (X >> 1)) & 0xFFFFFFFF; \
JMF 12:0071cb144c7a 282 T = (X ^ Y) & 0xAAAAAAAA; X ^= T; Y ^= T; \
JMF 12:0071cb144c7a 283 Y = ((Y << 31) | (Y >> 1)) & 0xFFFFFFFF; \
JMF 12:0071cb144c7a 284 T = ((Y >> 8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T << 8); \
JMF 12:0071cb144c7a 285 T = ((Y >> 2) ^ X) & 0x33333333; X ^= T; Y ^= (T << 2); \
JMF 12:0071cb144c7a 286 T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16); \
JMF 12:0071cb144c7a 287 T = ((X >> 4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T << 4); \
JMF 12:0071cb144c7a 288 }
JMF 12:0071cb144c7a 289
JMF 12:0071cb144c7a 290 /*
JMF 12:0071cb144c7a 291 * DES round macro
JMF 12:0071cb144c7a 292 */
JMF 12:0071cb144c7a 293 #define DES_ROUND(X,Y) \
JMF 12:0071cb144c7a 294 { \
JMF 12:0071cb144c7a 295 T = *SK++ ^ X; \
JMF 12:0071cb144c7a 296 Y ^= SB8[ (T ) & 0x3F ] ^ \
JMF 12:0071cb144c7a 297 SB6[ (T >> 8) & 0x3F ] ^ \
JMF 12:0071cb144c7a 298 SB4[ (T >> 16) & 0x3F ] ^ \
JMF 12:0071cb144c7a 299 SB2[ (T >> 24) & 0x3F ]; \
JMF 12:0071cb144c7a 300 \
JMF 12:0071cb144c7a 301 T = *SK++ ^ ((X << 28) | (X >> 4)); \
JMF 12:0071cb144c7a 302 Y ^= SB7[ (T ) & 0x3F ] ^ \
JMF 12:0071cb144c7a 303 SB5[ (T >> 8) & 0x3F ] ^ \
JMF 12:0071cb144c7a 304 SB3[ (T >> 16) & 0x3F ] ^ \
JMF 12:0071cb144c7a 305 SB1[ (T >> 24) & 0x3F ]; \
JMF 12:0071cb144c7a 306 }
JMF 12:0071cb144c7a 307
JMF 12:0071cb144c7a 308 #define SWAP(a,b) { uint32_t t = a; a = b; b = t; t = 0; }
JMF 12:0071cb144c7a 309
JMF 12:0071cb144c7a 310 void mbedtls_des_init( mbedtls_des_context *ctx )
JMF 12:0071cb144c7a 311 {
JMF 12:0071cb144c7a 312 memset( ctx, 0, sizeof( mbedtls_des_context ) );
JMF 12:0071cb144c7a 313 }
JMF 12:0071cb144c7a 314
JMF 12:0071cb144c7a 315 void mbedtls_des_free( mbedtls_des_context *ctx )
JMF 12:0071cb144c7a 316 {
JMF 12:0071cb144c7a 317 if( ctx == NULL )
JMF 12:0071cb144c7a 318 return;
JMF 12:0071cb144c7a 319
JMF 12:0071cb144c7a 320 mbedtls_zeroize( ctx, sizeof( mbedtls_des_context ) );
JMF 12:0071cb144c7a 321 }
JMF 12:0071cb144c7a 322
JMF 12:0071cb144c7a 323 void mbedtls_des3_init( mbedtls_des3_context *ctx )
JMF 12:0071cb144c7a 324 {
JMF 12:0071cb144c7a 325 memset( ctx, 0, sizeof( mbedtls_des3_context ) );
JMF 12:0071cb144c7a 326 }
JMF 12:0071cb144c7a 327
JMF 12:0071cb144c7a 328 void mbedtls_des3_free( mbedtls_des3_context *ctx )
JMF 12:0071cb144c7a 329 {
JMF 12:0071cb144c7a 330 if( ctx == NULL )
JMF 12:0071cb144c7a 331 return;
JMF 12:0071cb144c7a 332
JMF 12:0071cb144c7a 333 mbedtls_zeroize( ctx, sizeof( mbedtls_des3_context ) );
JMF 12:0071cb144c7a 334 }
JMF 12:0071cb144c7a 335
JMF 12:0071cb144c7a 336 static const unsigned char odd_parity_table[128] = { 1, 2, 4, 7, 8,
JMF 12:0071cb144c7a 337 11, 13, 14, 16, 19, 21, 22, 25, 26, 28, 31, 32, 35, 37, 38, 41, 42, 44,
JMF 12:0071cb144c7a 338 47, 49, 50, 52, 55, 56, 59, 61, 62, 64, 67, 69, 70, 73, 74, 76, 79, 81,
JMF 12:0071cb144c7a 339 82, 84, 87, 88, 91, 93, 94, 97, 98, 100, 103, 104, 107, 109, 110, 112,
JMF 12:0071cb144c7a 340 115, 117, 118, 121, 122, 124, 127, 128, 131, 133, 134, 137, 138, 140,
JMF 12:0071cb144c7a 341 143, 145, 146, 148, 151, 152, 155, 157, 158, 161, 162, 164, 167, 168,
JMF 12:0071cb144c7a 342 171, 173, 174, 176, 179, 181, 182, 185, 186, 188, 191, 193, 194, 196,
JMF 12:0071cb144c7a 343 199, 200, 203, 205, 206, 208, 211, 213, 214, 217, 218, 220, 223, 224,
JMF 12:0071cb144c7a 344 227, 229, 230, 233, 234, 236, 239, 241, 242, 244, 247, 248, 251, 253,
JMF 12:0071cb144c7a 345 254 };
JMF 12:0071cb144c7a 346
JMF 12:0071cb144c7a 347 void mbedtls_des_key_set_parity( unsigned char key[MBEDTLS_DES_KEY_SIZE] )
JMF 12:0071cb144c7a 348 {
JMF 12:0071cb144c7a 349 int i;
JMF 12:0071cb144c7a 350
JMF 12:0071cb144c7a 351 for( i = 0; i < MBEDTLS_DES_KEY_SIZE; i++ )
JMF 12:0071cb144c7a 352 key[i] = odd_parity_table[key[i] / 2];
JMF 12:0071cb144c7a 353 }
JMF 12:0071cb144c7a 354
JMF 12:0071cb144c7a 355 /*
JMF 12:0071cb144c7a 356 * Check the given key's parity, returns 1 on failure, 0 on SUCCESS
JMF 12:0071cb144c7a 357 */
JMF 12:0071cb144c7a 358 int mbedtls_des_key_check_key_parity( const unsigned char key[MBEDTLS_DES_KEY_SIZE] )
JMF 12:0071cb144c7a 359 {
JMF 12:0071cb144c7a 360 int i;
JMF 12:0071cb144c7a 361
JMF 12:0071cb144c7a 362 for( i = 0; i < MBEDTLS_DES_KEY_SIZE; i++ )
JMF 12:0071cb144c7a 363 if( key[i] != odd_parity_table[key[i] / 2] )
JMF 12:0071cb144c7a 364 return( 1 );
JMF 12:0071cb144c7a 365
JMF 12:0071cb144c7a 366 return( 0 );
JMF 12:0071cb144c7a 367 }
JMF 12:0071cb144c7a 368
JMF 12:0071cb144c7a 369 /*
JMF 12:0071cb144c7a 370 * Table of weak and semi-weak keys
JMF 12:0071cb144c7a 371 *
JMF 12:0071cb144c7a 372 * Source: http://en.wikipedia.org/wiki/Weak_key
JMF 12:0071cb144c7a 373 *
JMF 12:0071cb144c7a 374 * Weak:
JMF 12:0071cb144c7a 375 * Alternating ones + zeros (0x0101010101010101)
JMF 12:0071cb144c7a 376 * Alternating 'F' + 'E' (0xFEFEFEFEFEFEFEFE)
JMF 12:0071cb144c7a 377 * '0xE0E0E0E0F1F1F1F1'
JMF 12:0071cb144c7a 378 * '0x1F1F1F1F0E0E0E0E'
JMF 12:0071cb144c7a 379 *
JMF 12:0071cb144c7a 380 * Semi-weak:
JMF 12:0071cb144c7a 381 * 0x011F011F010E010E and 0x1F011F010E010E01
JMF 12:0071cb144c7a 382 * 0x01E001E001F101F1 and 0xE001E001F101F101
JMF 12:0071cb144c7a 383 * 0x01FE01FE01FE01FE and 0xFE01FE01FE01FE01
JMF 12:0071cb144c7a 384 * 0x1FE01FE00EF10EF1 and 0xE01FE01FF10EF10E
JMF 12:0071cb144c7a 385 * 0x1FFE1FFE0EFE0EFE and 0xFE1FFE1FFE0EFE0E
JMF 12:0071cb144c7a 386 * 0xE0FEE0FEF1FEF1FE and 0xFEE0FEE0FEF1FEF1
JMF 12:0071cb144c7a 387 *
JMF 12:0071cb144c7a 388 */
JMF 12:0071cb144c7a 389
JMF 12:0071cb144c7a 390 #define WEAK_KEY_COUNT 16
JMF 12:0071cb144c7a 391
JMF 12:0071cb144c7a 392 static const unsigned char weak_key_table[WEAK_KEY_COUNT][MBEDTLS_DES_KEY_SIZE] =
JMF 12:0071cb144c7a 393 {
JMF 12:0071cb144c7a 394 { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 },
JMF 12:0071cb144c7a 395 { 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE },
JMF 12:0071cb144c7a 396 { 0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E },
JMF 12:0071cb144c7a 397 { 0xE0, 0xE0, 0xE0, 0xE0, 0xF1, 0xF1, 0xF1, 0xF1 },
JMF 12:0071cb144c7a 398
JMF 12:0071cb144c7a 399 { 0x01, 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E },
JMF 12:0071cb144c7a 400 { 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E, 0x01 },
JMF 12:0071cb144c7a 401 { 0x01, 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1 },
JMF 12:0071cb144c7a 402 { 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1, 0x01 },
JMF 12:0071cb144c7a 403 { 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE },
JMF 12:0071cb144c7a 404 { 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01 },
JMF 12:0071cb144c7a 405 { 0x1F, 0xE0, 0x1F, 0xE0, 0x0E, 0xF1, 0x0E, 0xF1 },
JMF 12:0071cb144c7a 406 { 0xE0, 0x1F, 0xE0, 0x1F, 0xF1, 0x0E, 0xF1, 0x0E },
JMF 12:0071cb144c7a 407 { 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E, 0xFE },
JMF 12:0071cb144c7a 408 { 0xFE, 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E },
JMF 12:0071cb144c7a 409 { 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE },
JMF 12:0071cb144c7a 410 { 0xFE, 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1 }
JMF 12:0071cb144c7a 411 };
JMF 12:0071cb144c7a 412
JMF 12:0071cb144c7a 413 int mbedtls_des_key_check_weak( const unsigned char key[MBEDTLS_DES_KEY_SIZE] )
JMF 12:0071cb144c7a 414 {
JMF 12:0071cb144c7a 415 int i;
JMF 12:0071cb144c7a 416
JMF 12:0071cb144c7a 417 for( i = 0; i < WEAK_KEY_COUNT; i++ )
JMF 12:0071cb144c7a 418 if( memcmp( weak_key_table[i], key, MBEDTLS_DES_KEY_SIZE) == 0 )
JMF 12:0071cb144c7a 419 return( 1 );
JMF 12:0071cb144c7a 420
JMF 12:0071cb144c7a 421 return( 0 );
JMF 12:0071cb144c7a 422 }
JMF 12:0071cb144c7a 423
JMF 12:0071cb144c7a 424 #if !defined(MBEDTLS_DES_SETKEY_ALT)
JMF 12:0071cb144c7a 425 void mbedtls_des_setkey( uint32_t SK[32], const unsigned char key[MBEDTLS_DES_KEY_SIZE] )
JMF 12:0071cb144c7a 426 {
JMF 12:0071cb144c7a 427 int i;
JMF 12:0071cb144c7a 428 uint32_t X, Y, T;
JMF 12:0071cb144c7a 429
JMF 12:0071cb144c7a 430 GET_UINT32_BE( X, key, 0 );
JMF 12:0071cb144c7a 431 GET_UINT32_BE( Y, key, 4 );
JMF 12:0071cb144c7a 432
JMF 12:0071cb144c7a 433 /*
JMF 12:0071cb144c7a 434 * Permuted Choice 1
JMF 12:0071cb144c7a 435 */
JMF 12:0071cb144c7a 436 T = ((Y >> 4) ^ X) & 0x0F0F0F0F; X ^= T; Y ^= (T << 4);
JMF 12:0071cb144c7a 437 T = ((Y ) ^ X) & 0x10101010; X ^= T; Y ^= (T );
JMF 12:0071cb144c7a 438
JMF 12:0071cb144c7a 439 X = (LHs[ (X ) & 0xF] << 3) | (LHs[ (X >> 8) & 0xF ] << 2)
JMF 12:0071cb144c7a 440 | (LHs[ (X >> 16) & 0xF] << 1) | (LHs[ (X >> 24) & 0xF ] )
JMF 12:0071cb144c7a 441 | (LHs[ (X >> 5) & 0xF] << 7) | (LHs[ (X >> 13) & 0xF ] << 6)
JMF 12:0071cb144c7a 442 | (LHs[ (X >> 21) & 0xF] << 5) | (LHs[ (X >> 29) & 0xF ] << 4);
JMF 12:0071cb144c7a 443
JMF 12:0071cb144c7a 444 Y = (RHs[ (Y >> 1) & 0xF] << 3) | (RHs[ (Y >> 9) & 0xF ] << 2)
JMF 12:0071cb144c7a 445 | (RHs[ (Y >> 17) & 0xF] << 1) | (RHs[ (Y >> 25) & 0xF ] )
JMF 12:0071cb144c7a 446 | (RHs[ (Y >> 4) & 0xF] << 7) | (RHs[ (Y >> 12) & 0xF ] << 6)
JMF 12:0071cb144c7a 447 | (RHs[ (Y >> 20) & 0xF] << 5) | (RHs[ (Y >> 28) & 0xF ] << 4);
JMF 12:0071cb144c7a 448
JMF 12:0071cb144c7a 449 X &= 0x0FFFFFFF;
JMF 12:0071cb144c7a 450 Y &= 0x0FFFFFFF;
JMF 12:0071cb144c7a 451
JMF 12:0071cb144c7a 452 /*
JMF 12:0071cb144c7a 453 * calculate subkeys
JMF 12:0071cb144c7a 454 */
JMF 12:0071cb144c7a 455 for( i = 0; i < 16; i++ )
JMF 12:0071cb144c7a 456 {
JMF 12:0071cb144c7a 457 if( i < 2 || i == 8 || i == 15 )
JMF 12:0071cb144c7a 458 {
JMF 12:0071cb144c7a 459 X = ((X << 1) | (X >> 27)) & 0x0FFFFFFF;
JMF 12:0071cb144c7a 460 Y = ((Y << 1) | (Y >> 27)) & 0x0FFFFFFF;
JMF 12:0071cb144c7a 461 }
JMF 12:0071cb144c7a 462 else
JMF 12:0071cb144c7a 463 {
JMF 12:0071cb144c7a 464 X = ((X << 2) | (X >> 26)) & 0x0FFFFFFF;
JMF 12:0071cb144c7a 465 Y = ((Y << 2) | (Y >> 26)) & 0x0FFFFFFF;
JMF 12:0071cb144c7a 466 }
JMF 12:0071cb144c7a 467
JMF 12:0071cb144c7a 468 *SK++ = ((X << 4) & 0x24000000) | ((X << 28) & 0x10000000)
JMF 12:0071cb144c7a 469 | ((X << 14) & 0x08000000) | ((X << 18) & 0x02080000)
JMF 12:0071cb144c7a 470 | ((X << 6) & 0x01000000) | ((X << 9) & 0x00200000)
JMF 12:0071cb144c7a 471 | ((X >> 1) & 0x00100000) | ((X << 10) & 0x00040000)
JMF 12:0071cb144c7a 472 | ((X << 2) & 0x00020000) | ((X >> 10) & 0x00010000)
JMF 12:0071cb144c7a 473 | ((Y >> 13) & 0x00002000) | ((Y >> 4) & 0x00001000)
JMF 12:0071cb144c7a 474 | ((Y << 6) & 0x00000800) | ((Y >> 1) & 0x00000400)
JMF 12:0071cb144c7a 475 | ((Y >> 14) & 0x00000200) | ((Y ) & 0x00000100)
JMF 12:0071cb144c7a 476 | ((Y >> 5) & 0x00000020) | ((Y >> 10) & 0x00000010)
JMF 12:0071cb144c7a 477 | ((Y >> 3) & 0x00000008) | ((Y >> 18) & 0x00000004)
JMF 12:0071cb144c7a 478 | ((Y >> 26) & 0x00000002) | ((Y >> 24) & 0x00000001);
JMF 12:0071cb144c7a 479
JMF 12:0071cb144c7a 480 *SK++ = ((X << 15) & 0x20000000) | ((X << 17) & 0x10000000)
JMF 12:0071cb144c7a 481 | ((X << 10) & 0x08000000) | ((X << 22) & 0x04000000)
JMF 12:0071cb144c7a 482 | ((X >> 2) & 0x02000000) | ((X << 1) & 0x01000000)
JMF 12:0071cb144c7a 483 | ((X << 16) & 0x00200000) | ((X << 11) & 0x00100000)
JMF 12:0071cb144c7a 484 | ((X << 3) & 0x00080000) | ((X >> 6) & 0x00040000)
JMF 12:0071cb144c7a 485 | ((X << 15) & 0x00020000) | ((X >> 4) & 0x00010000)
JMF 12:0071cb144c7a 486 | ((Y >> 2) & 0x00002000) | ((Y << 8) & 0x00001000)
JMF 12:0071cb144c7a 487 | ((Y >> 14) & 0x00000808) | ((Y >> 9) & 0x00000400)
JMF 12:0071cb144c7a 488 | ((Y ) & 0x00000200) | ((Y << 7) & 0x00000100)
JMF 12:0071cb144c7a 489 | ((Y >> 7) & 0x00000020) | ((Y >> 3) & 0x00000011)
JMF 12:0071cb144c7a 490 | ((Y << 2) & 0x00000004) | ((Y >> 21) & 0x00000002);
JMF 12:0071cb144c7a 491 }
JMF 12:0071cb144c7a 492 }
JMF 12:0071cb144c7a 493 #endif /* !MBEDTLS_DES_SETKEY_ALT */
JMF 12:0071cb144c7a 494
JMF 12:0071cb144c7a 495 /*
JMF 12:0071cb144c7a 496 * DES key schedule (56-bit, encryption)
JMF 12:0071cb144c7a 497 */
JMF 12:0071cb144c7a 498 int mbedtls_des_setkey_enc( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] )
JMF 12:0071cb144c7a 499 {
JMF 12:0071cb144c7a 500 mbedtls_des_setkey( ctx->sk, key );
JMF 12:0071cb144c7a 501
JMF 12:0071cb144c7a 502 return( 0 );
JMF 12:0071cb144c7a 503 }
JMF 12:0071cb144c7a 504
JMF 12:0071cb144c7a 505 /*
JMF 12:0071cb144c7a 506 * DES key schedule (56-bit, decryption)
JMF 12:0071cb144c7a 507 */
JMF 12:0071cb144c7a 508 int mbedtls_des_setkey_dec( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] )
JMF 12:0071cb144c7a 509 {
JMF 12:0071cb144c7a 510 int i;
JMF 12:0071cb144c7a 511
JMF 12:0071cb144c7a 512 mbedtls_des_setkey( ctx->sk, key );
JMF 12:0071cb144c7a 513
JMF 12:0071cb144c7a 514 for( i = 0; i < 16; i += 2 )
JMF 12:0071cb144c7a 515 {
JMF 12:0071cb144c7a 516 SWAP( ctx->sk[i ], ctx->sk[30 - i] );
JMF 12:0071cb144c7a 517 SWAP( ctx->sk[i + 1], ctx->sk[31 - i] );
JMF 12:0071cb144c7a 518 }
JMF 12:0071cb144c7a 519
JMF 12:0071cb144c7a 520 return( 0 );
JMF 12:0071cb144c7a 521 }
JMF 12:0071cb144c7a 522
JMF 12:0071cb144c7a 523 static void des3_set2key( uint32_t esk[96],
JMF 12:0071cb144c7a 524 uint32_t dsk[96],
JMF 12:0071cb144c7a 525 const unsigned char key[MBEDTLS_DES_KEY_SIZE*2] )
JMF 12:0071cb144c7a 526 {
JMF 12:0071cb144c7a 527 int i;
JMF 12:0071cb144c7a 528
JMF 12:0071cb144c7a 529 mbedtls_des_setkey( esk, key );
JMF 12:0071cb144c7a 530 mbedtls_des_setkey( dsk + 32, key + 8 );
JMF 12:0071cb144c7a 531
JMF 12:0071cb144c7a 532 for( i = 0; i < 32; i += 2 )
JMF 12:0071cb144c7a 533 {
JMF 12:0071cb144c7a 534 dsk[i ] = esk[30 - i];
JMF 12:0071cb144c7a 535 dsk[i + 1] = esk[31 - i];
JMF 12:0071cb144c7a 536
JMF 12:0071cb144c7a 537 esk[i + 32] = dsk[62 - i];
JMF 12:0071cb144c7a 538 esk[i + 33] = dsk[63 - i];
JMF 12:0071cb144c7a 539
JMF 12:0071cb144c7a 540 esk[i + 64] = esk[i ];
JMF 12:0071cb144c7a 541 esk[i + 65] = esk[i + 1];
JMF 12:0071cb144c7a 542
JMF 12:0071cb144c7a 543 dsk[i + 64] = dsk[i ];
JMF 12:0071cb144c7a 544 dsk[i + 65] = dsk[i + 1];
JMF 12:0071cb144c7a 545 }
JMF 12:0071cb144c7a 546 }
JMF 12:0071cb144c7a 547
JMF 12:0071cb144c7a 548 /*
JMF 12:0071cb144c7a 549 * Triple-DES key schedule (112-bit, encryption)
JMF 12:0071cb144c7a 550 */
JMF 12:0071cb144c7a 551 int mbedtls_des3_set2key_enc( mbedtls_des3_context *ctx,
JMF 12:0071cb144c7a 552 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] )
JMF 12:0071cb144c7a 553 {
JMF 12:0071cb144c7a 554 uint32_t sk[96];
JMF 12:0071cb144c7a 555
JMF 12:0071cb144c7a 556 des3_set2key( ctx->sk, sk, key );
JMF 12:0071cb144c7a 557 mbedtls_zeroize( sk, sizeof( sk ) );
JMF 12:0071cb144c7a 558
JMF 12:0071cb144c7a 559 return( 0 );
JMF 12:0071cb144c7a 560 }
JMF 12:0071cb144c7a 561
JMF 12:0071cb144c7a 562 /*
JMF 12:0071cb144c7a 563 * Triple-DES key schedule (112-bit, decryption)
JMF 12:0071cb144c7a 564 */
JMF 12:0071cb144c7a 565 int mbedtls_des3_set2key_dec( mbedtls_des3_context *ctx,
JMF 12:0071cb144c7a 566 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] )
JMF 12:0071cb144c7a 567 {
JMF 12:0071cb144c7a 568 uint32_t sk[96];
JMF 12:0071cb144c7a 569
JMF 12:0071cb144c7a 570 des3_set2key( sk, ctx->sk, key );
JMF 12:0071cb144c7a 571 mbedtls_zeroize( sk, sizeof( sk ) );
JMF 12:0071cb144c7a 572
JMF 12:0071cb144c7a 573 return( 0 );
JMF 12:0071cb144c7a 574 }
JMF 12:0071cb144c7a 575
JMF 12:0071cb144c7a 576 static void des3_set3key( uint32_t esk[96],
JMF 12:0071cb144c7a 577 uint32_t dsk[96],
JMF 12:0071cb144c7a 578 const unsigned char key[24] )
JMF 12:0071cb144c7a 579 {
JMF 12:0071cb144c7a 580 int i;
JMF 12:0071cb144c7a 581
JMF 12:0071cb144c7a 582 mbedtls_des_setkey( esk, key );
JMF 12:0071cb144c7a 583 mbedtls_des_setkey( dsk + 32, key + 8 );
JMF 12:0071cb144c7a 584 mbedtls_des_setkey( esk + 64, key + 16 );
JMF 12:0071cb144c7a 585
JMF 12:0071cb144c7a 586 for( i = 0; i < 32; i += 2 )
JMF 12:0071cb144c7a 587 {
JMF 12:0071cb144c7a 588 dsk[i ] = esk[94 - i];
JMF 12:0071cb144c7a 589 dsk[i + 1] = esk[95 - i];
JMF 12:0071cb144c7a 590
JMF 12:0071cb144c7a 591 esk[i + 32] = dsk[62 - i];
JMF 12:0071cb144c7a 592 esk[i + 33] = dsk[63 - i];
JMF 12:0071cb144c7a 593
JMF 12:0071cb144c7a 594 dsk[i + 64] = esk[30 - i];
JMF 12:0071cb144c7a 595 dsk[i + 65] = esk[31 - i];
JMF 12:0071cb144c7a 596 }
JMF 12:0071cb144c7a 597 }
JMF 12:0071cb144c7a 598
JMF 12:0071cb144c7a 599 /*
JMF 12:0071cb144c7a 600 * Triple-DES key schedule (168-bit, encryption)
JMF 12:0071cb144c7a 601 */
JMF 12:0071cb144c7a 602 int mbedtls_des3_set3key_enc( mbedtls_des3_context *ctx,
JMF 12:0071cb144c7a 603 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] )
JMF 12:0071cb144c7a 604 {
JMF 12:0071cb144c7a 605 uint32_t sk[96];
JMF 12:0071cb144c7a 606
JMF 12:0071cb144c7a 607 des3_set3key( ctx->sk, sk, key );
JMF 12:0071cb144c7a 608 mbedtls_zeroize( sk, sizeof( sk ) );
JMF 12:0071cb144c7a 609
JMF 12:0071cb144c7a 610 return( 0 );
JMF 12:0071cb144c7a 611 }
JMF 12:0071cb144c7a 612
JMF 12:0071cb144c7a 613 /*
JMF 12:0071cb144c7a 614 * Triple-DES key schedule (168-bit, decryption)
JMF 12:0071cb144c7a 615 */
JMF 12:0071cb144c7a 616 int mbedtls_des3_set3key_dec( mbedtls_des3_context *ctx,
JMF 12:0071cb144c7a 617 const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] )
JMF 12:0071cb144c7a 618 {
JMF 12:0071cb144c7a 619 uint32_t sk[96];
JMF 12:0071cb144c7a 620
JMF 12:0071cb144c7a 621 des3_set3key( sk, ctx->sk, key );
JMF 12:0071cb144c7a 622 mbedtls_zeroize( sk, sizeof( sk ) );
JMF 12:0071cb144c7a 623
JMF 12:0071cb144c7a 624 return( 0 );
JMF 12:0071cb144c7a 625 }
JMF 12:0071cb144c7a 626
JMF 12:0071cb144c7a 627 /*
JMF 12:0071cb144c7a 628 * DES-ECB block encryption/decryption
JMF 12:0071cb144c7a 629 */
JMF 12:0071cb144c7a 630 #if !defined(MBEDTLS_DES_CRYPT_ECB_ALT)
JMF 12:0071cb144c7a 631 int mbedtls_des_crypt_ecb( mbedtls_des_context *ctx,
JMF 12:0071cb144c7a 632 const unsigned char input[8],
JMF 12:0071cb144c7a 633 unsigned char output[8] )
JMF 12:0071cb144c7a 634 {
JMF 12:0071cb144c7a 635 int i;
JMF 12:0071cb144c7a 636 uint32_t X, Y, T, *SK;
JMF 12:0071cb144c7a 637
JMF 12:0071cb144c7a 638 SK = ctx->sk;
JMF 12:0071cb144c7a 639
JMF 12:0071cb144c7a 640 GET_UINT32_BE( X, input, 0 );
JMF 12:0071cb144c7a 641 GET_UINT32_BE( Y, input, 4 );
JMF 12:0071cb144c7a 642
JMF 12:0071cb144c7a 643 DES_IP( X, Y );
JMF 12:0071cb144c7a 644
JMF 12:0071cb144c7a 645 for( i = 0; i < 8; i++ )
JMF 12:0071cb144c7a 646 {
JMF 12:0071cb144c7a 647 DES_ROUND( Y, X );
JMF 12:0071cb144c7a 648 DES_ROUND( X, Y );
JMF 12:0071cb144c7a 649 }
JMF 12:0071cb144c7a 650
JMF 12:0071cb144c7a 651 DES_FP( Y, X );
JMF 12:0071cb144c7a 652
JMF 12:0071cb144c7a 653 PUT_UINT32_BE( Y, output, 0 );
JMF 12:0071cb144c7a 654 PUT_UINT32_BE( X, output, 4 );
JMF 12:0071cb144c7a 655
JMF 12:0071cb144c7a 656 return( 0 );
JMF 12:0071cb144c7a 657 }
JMF 12:0071cb144c7a 658 #endif /* !MBEDTLS_DES_CRYPT_ECB_ALT */
JMF 12:0071cb144c7a 659
JMF 12:0071cb144c7a 660 #if defined(MBEDTLS_CIPHER_MODE_CBC)
JMF 12:0071cb144c7a 661 /*
JMF 12:0071cb144c7a 662 * DES-CBC buffer encryption/decryption
JMF 12:0071cb144c7a 663 */
JMF 12:0071cb144c7a 664 int mbedtls_des_crypt_cbc( mbedtls_des_context *ctx,
JMF 12:0071cb144c7a 665 int mode,
JMF 12:0071cb144c7a 666 size_t length,
JMF 12:0071cb144c7a 667 unsigned char iv[8],
JMF 12:0071cb144c7a 668 const unsigned char *input,
JMF 12:0071cb144c7a 669 unsigned char *output )
JMF 12:0071cb144c7a 670 {
JMF 12:0071cb144c7a 671 int i;
JMF 12:0071cb144c7a 672 unsigned char temp[8];
JMF 12:0071cb144c7a 673
JMF 12:0071cb144c7a 674 if( length % 8 )
JMF 12:0071cb144c7a 675 return( MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH );
JMF 12:0071cb144c7a 676
JMF 12:0071cb144c7a 677 if( mode == MBEDTLS_DES_ENCRYPT )
JMF 12:0071cb144c7a 678 {
JMF 12:0071cb144c7a 679 while( length > 0 )
JMF 12:0071cb144c7a 680 {
JMF 12:0071cb144c7a 681 for( i = 0; i < 8; i++ )
JMF 12:0071cb144c7a 682 output[i] = (unsigned char)( input[i] ^ iv[i] );
JMF 12:0071cb144c7a 683
JMF 12:0071cb144c7a 684 mbedtls_des_crypt_ecb( ctx, output, output );
JMF 12:0071cb144c7a 685 memcpy( iv, output, 8 );
JMF 12:0071cb144c7a 686
JMF 12:0071cb144c7a 687 input += 8;
JMF 12:0071cb144c7a 688 output += 8;
JMF 12:0071cb144c7a 689 length -= 8;
JMF 12:0071cb144c7a 690 }
JMF 12:0071cb144c7a 691 }
JMF 12:0071cb144c7a 692 else /* MBEDTLS_DES_DECRYPT */
JMF 12:0071cb144c7a 693 {
JMF 12:0071cb144c7a 694 while( length > 0 )
JMF 12:0071cb144c7a 695 {
JMF 12:0071cb144c7a 696 memcpy( temp, input, 8 );
JMF 12:0071cb144c7a 697 mbedtls_des_crypt_ecb( ctx, input, output );
JMF 12:0071cb144c7a 698
JMF 12:0071cb144c7a 699 for( i = 0; i < 8; i++ )
JMF 12:0071cb144c7a 700 output[i] = (unsigned char)( output[i] ^ iv[i] );
JMF 12:0071cb144c7a 701
JMF 12:0071cb144c7a 702 memcpy( iv, temp, 8 );
JMF 12:0071cb144c7a 703
JMF 12:0071cb144c7a 704 input += 8;
JMF 12:0071cb144c7a 705 output += 8;
JMF 12:0071cb144c7a 706 length -= 8;
JMF 12:0071cb144c7a 707 }
JMF 12:0071cb144c7a 708 }
JMF 12:0071cb144c7a 709
JMF 12:0071cb144c7a 710 return( 0 );
JMF 12:0071cb144c7a 711 }
JMF 12:0071cb144c7a 712 #endif /* MBEDTLS_CIPHER_MODE_CBC */
JMF 12:0071cb144c7a 713
JMF 12:0071cb144c7a 714 /*
JMF 12:0071cb144c7a 715 * 3DES-ECB block encryption/decryption
JMF 12:0071cb144c7a 716 */
JMF 12:0071cb144c7a 717 #if !defined(MBEDTLS_DES3_CRYPT_ECB_ALT)
JMF 12:0071cb144c7a 718 int mbedtls_des3_crypt_ecb( mbedtls_des3_context *ctx,
JMF 12:0071cb144c7a 719 const unsigned char input[8],
JMF 12:0071cb144c7a 720 unsigned char output[8] )
JMF 12:0071cb144c7a 721 {
JMF 12:0071cb144c7a 722 int i;
JMF 12:0071cb144c7a 723 uint32_t X, Y, T, *SK;
JMF 12:0071cb144c7a 724
JMF 12:0071cb144c7a 725 SK = ctx->sk;
JMF 12:0071cb144c7a 726
JMF 12:0071cb144c7a 727 GET_UINT32_BE( X, input, 0 );
JMF 12:0071cb144c7a 728 GET_UINT32_BE( Y, input, 4 );
JMF 12:0071cb144c7a 729
JMF 12:0071cb144c7a 730 DES_IP( X, Y );
JMF 12:0071cb144c7a 731
JMF 12:0071cb144c7a 732 for( i = 0; i < 8; i++ )
JMF 12:0071cb144c7a 733 {
JMF 12:0071cb144c7a 734 DES_ROUND( Y, X );
JMF 12:0071cb144c7a 735 DES_ROUND( X, Y );
JMF 12:0071cb144c7a 736 }
JMF 12:0071cb144c7a 737
JMF 12:0071cb144c7a 738 for( i = 0; i < 8; i++ )
JMF 12:0071cb144c7a 739 {
JMF 12:0071cb144c7a 740 DES_ROUND( X, Y );
JMF 12:0071cb144c7a 741 DES_ROUND( Y, X );
JMF 12:0071cb144c7a 742 }
JMF 12:0071cb144c7a 743
JMF 12:0071cb144c7a 744 for( i = 0; i < 8; i++ )
JMF 12:0071cb144c7a 745 {
JMF 12:0071cb144c7a 746 DES_ROUND( Y, X );
JMF 12:0071cb144c7a 747 DES_ROUND( X, Y );
JMF 12:0071cb144c7a 748 }
JMF 12:0071cb144c7a 749
JMF 12:0071cb144c7a 750 DES_FP( Y, X );
JMF 12:0071cb144c7a 751
JMF 12:0071cb144c7a 752 PUT_UINT32_BE( Y, output, 0 );
JMF 12:0071cb144c7a 753 PUT_UINT32_BE( X, output, 4 );
JMF 12:0071cb144c7a 754
JMF 12:0071cb144c7a 755 return( 0 );
JMF 12:0071cb144c7a 756 }
JMF 12:0071cb144c7a 757 #endif /* !MBEDTLS_DES3_CRYPT_ECB_ALT */
JMF 12:0071cb144c7a 758
JMF 12:0071cb144c7a 759 #if defined(MBEDTLS_CIPHER_MODE_CBC)
JMF 12:0071cb144c7a 760 /*
JMF 12:0071cb144c7a 761 * 3DES-CBC buffer encryption/decryption
JMF 12:0071cb144c7a 762 */
JMF 12:0071cb144c7a 763 int mbedtls_des3_crypt_cbc( mbedtls_des3_context *ctx,
JMF 12:0071cb144c7a 764 int mode,
JMF 12:0071cb144c7a 765 size_t length,
JMF 12:0071cb144c7a 766 unsigned char iv[8],
JMF 12:0071cb144c7a 767 const unsigned char *input,
JMF 12:0071cb144c7a 768 unsigned char *output )
JMF 12:0071cb144c7a 769 {
JMF 12:0071cb144c7a 770 int i;
JMF 12:0071cb144c7a 771 unsigned char temp[8];
JMF 12:0071cb144c7a 772
JMF 12:0071cb144c7a 773 if( length % 8 )
JMF 12:0071cb144c7a 774 return( MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH );
JMF 12:0071cb144c7a 775
JMF 12:0071cb144c7a 776 if( mode == MBEDTLS_DES_ENCRYPT )
JMF 12:0071cb144c7a 777 {
JMF 12:0071cb144c7a 778 while( length > 0 )
JMF 12:0071cb144c7a 779 {
JMF 12:0071cb144c7a 780 for( i = 0; i < 8; i++ )
JMF 12:0071cb144c7a 781 output[i] = (unsigned char)( input[i] ^ iv[i] );
JMF 12:0071cb144c7a 782
JMF 12:0071cb144c7a 783 mbedtls_des3_crypt_ecb( ctx, output, output );
JMF 12:0071cb144c7a 784 memcpy( iv, output, 8 );
JMF 12:0071cb144c7a 785
JMF 12:0071cb144c7a 786 input += 8;
JMF 12:0071cb144c7a 787 output += 8;
JMF 12:0071cb144c7a 788 length -= 8;
JMF 12:0071cb144c7a 789 }
JMF 12:0071cb144c7a 790 }
JMF 12:0071cb144c7a 791 else /* MBEDTLS_DES_DECRYPT */
JMF 12:0071cb144c7a 792 {
JMF 12:0071cb144c7a 793 while( length > 0 )
JMF 12:0071cb144c7a 794 {
JMF 12:0071cb144c7a 795 memcpy( temp, input, 8 );
JMF 12:0071cb144c7a 796 mbedtls_des3_crypt_ecb( ctx, input, output );
JMF 12:0071cb144c7a 797
JMF 12:0071cb144c7a 798 for( i = 0; i < 8; i++ )
JMF 12:0071cb144c7a 799 output[i] = (unsigned char)( output[i] ^ iv[i] );
JMF 12:0071cb144c7a 800
JMF 12:0071cb144c7a 801 memcpy( iv, temp, 8 );
JMF 12:0071cb144c7a 802
JMF 12:0071cb144c7a 803 input += 8;
JMF 12:0071cb144c7a 804 output += 8;
JMF 12:0071cb144c7a 805 length -= 8;
JMF 12:0071cb144c7a 806 }
JMF 12:0071cb144c7a 807 }
JMF 12:0071cb144c7a 808
JMF 12:0071cb144c7a 809 return( 0 );
JMF 12:0071cb144c7a 810 }
JMF 12:0071cb144c7a 811 #endif /* MBEDTLS_CIPHER_MODE_CBC */
JMF 12:0071cb144c7a 812
JMF 12:0071cb144c7a 813 #endif /* !MBEDTLS_DES_ALT */
JMF 12:0071cb144c7a 814
JMF 12:0071cb144c7a 815 #if defined(MBEDTLS_SELF_TEST)
JMF 12:0071cb144c7a 816 /*
JMF 12:0071cb144c7a 817 * DES and 3DES test vectors from:
JMF 12:0071cb144c7a 818 *
JMF 12:0071cb144c7a 819 * http://csrc.nist.gov/groups/STM/cavp/documents/des/tripledes-vectors.zip
JMF 12:0071cb144c7a 820 */
JMF 12:0071cb144c7a 821 static const unsigned char des3_test_keys[24] =
JMF 12:0071cb144c7a 822 {
JMF 12:0071cb144c7a 823 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
JMF 12:0071cb144c7a 824 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01,
JMF 12:0071cb144c7a 825 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23
JMF 12:0071cb144c7a 826 };
JMF 12:0071cb144c7a 827
JMF 12:0071cb144c7a 828 static const unsigned char des3_test_buf[8] =
JMF 12:0071cb144c7a 829 {
JMF 12:0071cb144c7a 830 0x4E, 0x6F, 0x77, 0x20, 0x69, 0x73, 0x20, 0x74
JMF 12:0071cb144c7a 831 };
JMF 12:0071cb144c7a 832
JMF 12:0071cb144c7a 833 static const unsigned char des3_test_ecb_dec[3][8] =
JMF 12:0071cb144c7a 834 {
JMF 12:0071cb144c7a 835 { 0xCD, 0xD6, 0x4F, 0x2F, 0x94, 0x27, 0xC1, 0x5D },
JMF 12:0071cb144c7a 836 { 0x69, 0x96, 0xC8, 0xFA, 0x47, 0xA2, 0xAB, 0xEB },
JMF 12:0071cb144c7a 837 { 0x83, 0x25, 0x39, 0x76, 0x44, 0x09, 0x1A, 0x0A }
JMF 12:0071cb144c7a 838 };
JMF 12:0071cb144c7a 839
JMF 12:0071cb144c7a 840 static const unsigned char des3_test_ecb_enc[3][8] =
JMF 12:0071cb144c7a 841 {
JMF 12:0071cb144c7a 842 { 0x6A, 0x2A, 0x19, 0xF4, 0x1E, 0xCA, 0x85, 0x4B },
JMF 12:0071cb144c7a 843 { 0x03, 0xE6, 0x9F, 0x5B, 0xFA, 0x58, 0xEB, 0x42 },
JMF 12:0071cb144c7a 844 { 0xDD, 0x17, 0xE8, 0xB8, 0xB4, 0x37, 0xD2, 0x32 }
JMF 12:0071cb144c7a 845 };
JMF 12:0071cb144c7a 846
JMF 12:0071cb144c7a 847 #if defined(MBEDTLS_CIPHER_MODE_CBC)
JMF 12:0071cb144c7a 848 static const unsigned char des3_test_iv[8] =
JMF 12:0071cb144c7a 849 {
JMF 12:0071cb144c7a 850 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF,
JMF 12:0071cb144c7a 851 };
JMF 12:0071cb144c7a 852
JMF 12:0071cb144c7a 853 static const unsigned char des3_test_cbc_dec[3][8] =
JMF 12:0071cb144c7a 854 {
JMF 12:0071cb144c7a 855 { 0x12, 0x9F, 0x40, 0xB9, 0xD2, 0x00, 0x56, 0xB3 },
JMF 12:0071cb144c7a 856 { 0x47, 0x0E, 0xFC, 0x9A, 0x6B, 0x8E, 0xE3, 0x93 },
JMF 12:0071cb144c7a 857 { 0xC5, 0xCE, 0xCF, 0x63, 0xEC, 0xEC, 0x51, 0x4C }
JMF 12:0071cb144c7a 858 };
JMF 12:0071cb144c7a 859
JMF 12:0071cb144c7a 860 static const unsigned char des3_test_cbc_enc[3][8] =
JMF 12:0071cb144c7a 861 {
JMF 12:0071cb144c7a 862 { 0x54, 0xF1, 0x5A, 0xF6, 0xEB, 0xE3, 0xA4, 0xB4 },
JMF 12:0071cb144c7a 863 { 0x35, 0x76, 0x11, 0x56, 0x5F, 0xA1, 0x8E, 0x4D },
JMF 12:0071cb144c7a 864 { 0xCB, 0x19, 0x1F, 0x85, 0xD1, 0xED, 0x84, 0x39 }
JMF 12:0071cb144c7a 865 };
JMF 12:0071cb144c7a 866 #endif /* MBEDTLS_CIPHER_MODE_CBC */
JMF 12:0071cb144c7a 867
JMF 12:0071cb144c7a 868 /*
JMF 12:0071cb144c7a 869 * Checkup routine
JMF 12:0071cb144c7a 870 */
JMF 12:0071cb144c7a 871 int mbedtls_des_self_test( int verbose )
JMF 12:0071cb144c7a 872 {
JMF 12:0071cb144c7a 873 int i, j, u, v, ret = 0;
JMF 12:0071cb144c7a 874 mbedtls_des_context ctx;
JMF 12:0071cb144c7a 875 mbedtls_des3_context ctx3;
JMF 12:0071cb144c7a 876 unsigned char buf[8];
JMF 12:0071cb144c7a 877 #if defined(MBEDTLS_CIPHER_MODE_CBC)
JMF 12:0071cb144c7a 878 unsigned char prv[8];
JMF 12:0071cb144c7a 879 unsigned char iv[8];
JMF 12:0071cb144c7a 880 #endif
JMF 12:0071cb144c7a 881
JMF 12:0071cb144c7a 882 mbedtls_des_init( &ctx );
JMF 12:0071cb144c7a 883 mbedtls_des3_init( &ctx3 );
JMF 12:0071cb144c7a 884 /*
JMF 12:0071cb144c7a 885 * ECB mode
JMF 12:0071cb144c7a 886 */
JMF 12:0071cb144c7a 887 for( i = 0; i < 6; i++ )
JMF 12:0071cb144c7a 888 {
JMF 12:0071cb144c7a 889 u = i >> 1;
JMF 12:0071cb144c7a 890 v = i & 1;
JMF 12:0071cb144c7a 891
JMF 12:0071cb144c7a 892 if( verbose != 0 )
JMF 12:0071cb144c7a 893 mbedtls_printf( " DES%c-ECB-%3d (%s): ",
JMF 12:0071cb144c7a 894 ( u == 0 ) ? ' ' : '3', 56 + u * 56,
JMF 12:0071cb144c7a 895 ( v == MBEDTLS_DES_DECRYPT ) ? "dec" : "enc" );
JMF 12:0071cb144c7a 896
JMF 12:0071cb144c7a 897 memcpy( buf, des3_test_buf, 8 );
JMF 12:0071cb144c7a 898
JMF 12:0071cb144c7a 899 switch( i )
JMF 12:0071cb144c7a 900 {
JMF 12:0071cb144c7a 901 case 0:
JMF 12:0071cb144c7a 902 mbedtls_des_setkey_dec( &ctx, des3_test_keys );
JMF 12:0071cb144c7a 903 break;
JMF 12:0071cb144c7a 904
JMF 12:0071cb144c7a 905 case 1:
JMF 12:0071cb144c7a 906 mbedtls_des_setkey_enc( &ctx, des3_test_keys );
JMF 12:0071cb144c7a 907 break;
JMF 12:0071cb144c7a 908
JMF 12:0071cb144c7a 909 case 2:
JMF 12:0071cb144c7a 910 mbedtls_des3_set2key_dec( &ctx3, des3_test_keys );
JMF 12:0071cb144c7a 911 break;
JMF 12:0071cb144c7a 912
JMF 12:0071cb144c7a 913 case 3:
JMF 12:0071cb144c7a 914 mbedtls_des3_set2key_enc( &ctx3, des3_test_keys );
JMF 12:0071cb144c7a 915 break;
JMF 12:0071cb144c7a 916
JMF 12:0071cb144c7a 917 case 4:
JMF 12:0071cb144c7a 918 mbedtls_des3_set3key_dec( &ctx3, des3_test_keys );
JMF 12:0071cb144c7a 919 break;
JMF 12:0071cb144c7a 920
JMF 12:0071cb144c7a 921 case 5:
JMF 12:0071cb144c7a 922 mbedtls_des3_set3key_enc( &ctx3, des3_test_keys );
JMF 12:0071cb144c7a 923 break;
JMF 12:0071cb144c7a 924
JMF 12:0071cb144c7a 925 default:
JMF 12:0071cb144c7a 926 return( 1 );
JMF 12:0071cb144c7a 927 }
JMF 12:0071cb144c7a 928
JMF 12:0071cb144c7a 929 for( j = 0; j < 10000; j++ )
JMF 12:0071cb144c7a 930 {
JMF 12:0071cb144c7a 931 if( u == 0 )
JMF 12:0071cb144c7a 932 mbedtls_des_crypt_ecb( &ctx, buf, buf );
JMF 12:0071cb144c7a 933 else
JMF 12:0071cb144c7a 934 mbedtls_des3_crypt_ecb( &ctx3, buf, buf );
JMF 12:0071cb144c7a 935 }
JMF 12:0071cb144c7a 936
JMF 12:0071cb144c7a 937 if( ( v == MBEDTLS_DES_DECRYPT &&
JMF 12:0071cb144c7a 938 memcmp( buf, des3_test_ecb_dec[u], 8 ) != 0 ) ||
JMF 12:0071cb144c7a 939 ( v != MBEDTLS_DES_DECRYPT &&
JMF 12:0071cb144c7a 940 memcmp( buf, des3_test_ecb_enc[u], 8 ) != 0 ) )
JMF 12:0071cb144c7a 941 {
JMF 12:0071cb144c7a 942 if( verbose != 0 )
JMF 12:0071cb144c7a 943 mbedtls_printf( "failed\n" );
JMF 12:0071cb144c7a 944
JMF 12:0071cb144c7a 945 ret = 1;
JMF 12:0071cb144c7a 946 goto exit;
JMF 12:0071cb144c7a 947 }
JMF 12:0071cb144c7a 948
JMF 12:0071cb144c7a 949 if( verbose != 0 )
JMF 12:0071cb144c7a 950 mbedtls_printf( "passed\n" );
JMF 12:0071cb144c7a 951 }
JMF 12:0071cb144c7a 952
JMF 12:0071cb144c7a 953 if( verbose != 0 )
JMF 12:0071cb144c7a 954 mbedtls_printf( "\n" );
JMF 12:0071cb144c7a 955
JMF 12:0071cb144c7a 956 #if defined(MBEDTLS_CIPHER_MODE_CBC)
JMF 12:0071cb144c7a 957 /*
JMF 12:0071cb144c7a 958 * CBC mode
JMF 12:0071cb144c7a 959 */
JMF 12:0071cb144c7a 960 for( i = 0; i < 6; i++ )
JMF 12:0071cb144c7a 961 {
JMF 12:0071cb144c7a 962 u = i >> 1;
JMF 12:0071cb144c7a 963 v = i & 1;
JMF 12:0071cb144c7a 964
JMF 12:0071cb144c7a 965 if( verbose != 0 )
JMF 12:0071cb144c7a 966 mbedtls_printf( " DES%c-CBC-%3d (%s): ",
JMF 12:0071cb144c7a 967 ( u == 0 ) ? ' ' : '3', 56 + u * 56,
JMF 12:0071cb144c7a 968 ( v == MBEDTLS_DES_DECRYPT ) ? "dec" : "enc" );
JMF 12:0071cb144c7a 969
JMF 12:0071cb144c7a 970 memcpy( iv, des3_test_iv, 8 );
JMF 12:0071cb144c7a 971 memcpy( prv, des3_test_iv, 8 );
JMF 12:0071cb144c7a 972 memcpy( buf, des3_test_buf, 8 );
JMF 12:0071cb144c7a 973
JMF 12:0071cb144c7a 974 switch( i )
JMF 12:0071cb144c7a 975 {
JMF 12:0071cb144c7a 976 case 0:
JMF 12:0071cb144c7a 977 mbedtls_des_setkey_dec( &ctx, des3_test_keys );
JMF 12:0071cb144c7a 978 break;
JMF 12:0071cb144c7a 979
JMF 12:0071cb144c7a 980 case 1:
JMF 12:0071cb144c7a 981 mbedtls_des_setkey_enc( &ctx, des3_test_keys );
JMF 12:0071cb144c7a 982 break;
JMF 12:0071cb144c7a 983
JMF 12:0071cb144c7a 984 case 2:
JMF 12:0071cb144c7a 985 mbedtls_des3_set2key_dec( &ctx3, des3_test_keys );
JMF 12:0071cb144c7a 986 break;
JMF 12:0071cb144c7a 987
JMF 12:0071cb144c7a 988 case 3:
JMF 12:0071cb144c7a 989 mbedtls_des3_set2key_enc( &ctx3, des3_test_keys );
JMF 12:0071cb144c7a 990 break;
JMF 12:0071cb144c7a 991
JMF 12:0071cb144c7a 992 case 4:
JMF 12:0071cb144c7a 993 mbedtls_des3_set3key_dec( &ctx3, des3_test_keys );
JMF 12:0071cb144c7a 994 break;
JMF 12:0071cb144c7a 995
JMF 12:0071cb144c7a 996 case 5:
JMF 12:0071cb144c7a 997 mbedtls_des3_set3key_enc( &ctx3, des3_test_keys );
JMF 12:0071cb144c7a 998 break;
JMF 12:0071cb144c7a 999
JMF 12:0071cb144c7a 1000 default:
JMF 12:0071cb144c7a 1001 return( 1 );
JMF 12:0071cb144c7a 1002 }
JMF 12:0071cb144c7a 1003
JMF 12:0071cb144c7a 1004 if( v == MBEDTLS_DES_DECRYPT )
JMF 12:0071cb144c7a 1005 {
JMF 12:0071cb144c7a 1006 for( j = 0; j < 10000; j++ )
JMF 12:0071cb144c7a 1007 {
JMF 12:0071cb144c7a 1008 if( u == 0 )
JMF 12:0071cb144c7a 1009 mbedtls_des_crypt_cbc( &ctx, v, 8, iv, buf, buf );
JMF 12:0071cb144c7a 1010 else
JMF 12:0071cb144c7a 1011 mbedtls_des3_crypt_cbc( &ctx3, v, 8, iv, buf, buf );
JMF 12:0071cb144c7a 1012 }
JMF 12:0071cb144c7a 1013 }
JMF 12:0071cb144c7a 1014 else
JMF 12:0071cb144c7a 1015 {
JMF 12:0071cb144c7a 1016 for( j = 0; j < 10000; j++ )
JMF 12:0071cb144c7a 1017 {
JMF 12:0071cb144c7a 1018 unsigned char tmp[8];
JMF 12:0071cb144c7a 1019
JMF 12:0071cb144c7a 1020 if( u == 0 )
JMF 12:0071cb144c7a 1021 mbedtls_des_crypt_cbc( &ctx, v, 8, iv, buf, buf );
JMF 12:0071cb144c7a 1022 else
JMF 12:0071cb144c7a 1023 mbedtls_des3_crypt_cbc( &ctx3, v, 8, iv, buf, buf );
JMF 12:0071cb144c7a 1024
JMF 12:0071cb144c7a 1025 memcpy( tmp, prv, 8 );
JMF 12:0071cb144c7a 1026 memcpy( prv, buf, 8 );
JMF 12:0071cb144c7a 1027 memcpy( buf, tmp, 8 );
JMF 12:0071cb144c7a 1028 }
JMF 12:0071cb144c7a 1029
JMF 12:0071cb144c7a 1030 memcpy( buf, prv, 8 );
JMF 12:0071cb144c7a 1031 }
JMF 12:0071cb144c7a 1032
JMF 12:0071cb144c7a 1033 if( ( v == MBEDTLS_DES_DECRYPT &&
JMF 12:0071cb144c7a 1034 memcmp( buf, des3_test_cbc_dec[u], 8 ) != 0 ) ||
JMF 12:0071cb144c7a 1035 ( v != MBEDTLS_DES_DECRYPT &&
JMF 12:0071cb144c7a 1036 memcmp( buf, des3_test_cbc_enc[u], 8 ) != 0 ) )
JMF 12:0071cb144c7a 1037 {
JMF 12:0071cb144c7a 1038 if( verbose != 0 )
JMF 12:0071cb144c7a 1039 mbedtls_printf( "failed\n" );
JMF 12:0071cb144c7a 1040
JMF 12:0071cb144c7a 1041 ret = 1;
JMF 12:0071cb144c7a 1042 goto exit;
JMF 12:0071cb144c7a 1043 }
JMF 12:0071cb144c7a 1044
JMF 12:0071cb144c7a 1045 if( verbose != 0 )
JMF 12:0071cb144c7a 1046 mbedtls_printf( "passed\n" );
JMF 12:0071cb144c7a 1047 }
JMF 12:0071cb144c7a 1048 #endif /* MBEDTLS_CIPHER_MODE_CBC */
JMF 12:0071cb144c7a 1049
JMF 12:0071cb144c7a 1050 if( verbose != 0 )
JMF 12:0071cb144c7a 1051 mbedtls_printf( "\n" );
JMF 12:0071cb144c7a 1052
JMF 12:0071cb144c7a 1053 exit:
JMF 12:0071cb144c7a 1054 mbedtls_des_free( &ctx );
JMF 12:0071cb144c7a 1055 mbedtls_des3_free( &ctx3 );
JMF 12:0071cb144c7a 1056
JMF 12:0071cb144c7a 1057 return( ret );
JMF 12:0071cb144c7a 1058 }
JMF 12:0071cb144c7a 1059
JMF 12:0071cb144c7a 1060 #endif /* MBEDTLS_SELF_TEST */
JMF 12:0071cb144c7a 1061
JMF 12:0071cb144c7a 1062 #endif /* MBEDTLS_DES_C */