wolf SSL / wolfSSL

wolfSSL SSL/TLS library, support up to TLS1.3

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wolfcrypt/src/des3.c@0:d92f9d21154c, 2015-06-26 (annotated)

Committer:
wolfSSL
Date:
Fri Jun 26 00:39:20 2015 +0000
Revision:
0:d92f9d21154c
wolfSSL 3.6.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 0:d92f9d21154c 1 /* des3.c
wolfSSL 0:d92f9d21154c 2 *
wolfSSL 0:d92f9d21154c 3 * Copyright (C) 2006-2015 wolfSSL Inc.
wolfSSL 0:d92f9d21154c 4 *
wolfSSL 0:d92f9d21154c 5 * This file is part of wolfSSL. (formerly known as CyaSSL)
wolfSSL 0:d92f9d21154c 6 *
wolfSSL 0:d92f9d21154c 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 0:d92f9d21154c 8 * it under the terms of the GNU General Public License as published by
wolfSSL 0:d92f9d21154c 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 0:d92f9d21154c 10 * (at your option) any later version.
wolfSSL 0:d92f9d21154c 11 *
wolfSSL 0:d92f9d21154c 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 0:d92f9d21154c 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 0:d92f9d21154c 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 0:d92f9d21154c 15 * GNU General Public License for more details.
wolfSSL 0:d92f9d21154c 16 *
wolfSSL 0:d92f9d21154c 17 * You should have received a copy of the GNU General Public License
wolfSSL 0:d92f9d21154c 18 * along with this program; if not, write to the Free Software
wolfSSL 0:d92f9d21154c 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
wolfSSL 0:d92f9d21154c 20 */
wolfSSL 0:d92f9d21154c 21
wolfSSL 0:d92f9d21154c 22 #ifdef HAVE_CONFIG_H
wolfSSL 0:d92f9d21154c 23 #include <config.h>
wolfSSL 0:d92f9d21154c 24 #endif
wolfSSL 0:d92f9d21154c 25
wolfSSL 0:d92f9d21154c 26 #include <wolfssl/wolfcrypt/settings.h>
wolfSSL 0:d92f9d21154c 27
wolfSSL 0:d92f9d21154c 28 #ifndef NO_DES3
wolfSSL 0:d92f9d21154c 29
wolfSSL 0:d92f9d21154c 30 #include <wolfssl/wolfcrypt/des3.h>
wolfSSL 0:d92f9d21154c 31
wolfSSL 0:d92f9d21154c 32 #ifdef HAVE_FIPS
wolfSSL 0:d92f9d21154c 33 #ifdef HAVE_CAVIUM
wolfSSL 0:d92f9d21154c 34 static int wc_Des3_CaviumSetKey(Des3* des3, const byte* key, const byte* iv);
wolfSSL 0:d92f9d21154c 35 static int wc_Des3_CaviumCbcEncrypt(Des3* des3, byte* out, const byte* in,
wolfSSL 0:d92f9d21154c 36 word32 length);
wolfSSL 0:d92f9d21154c 37 static int wc_Des3_CaviumCbcDecrypt(Des3* des3, byte* out, const byte* in,
wolfSSL 0:d92f9d21154c 38 word32 length);
wolfSSL 0:d92f9d21154c 39 #endif
wolfSSL 0:d92f9d21154c 40
wolfSSL 0:d92f9d21154c 41 int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 42 {
wolfSSL 0:d92f9d21154c 43 return Des_SetKey(des, key, iv, dir);
wolfSSL 0:d92f9d21154c 44 }
wolfSSL 0:d92f9d21154c 45
wolfSSL 0:d92f9d21154c 46
wolfSSL 0:d92f9d21154c 47 int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 48 {
wolfSSL 0:d92f9d21154c 49 return Des3_SetKey_fips(des, key, iv, dir);
wolfSSL 0:d92f9d21154c 50 }
wolfSSL 0:d92f9d21154c 51
wolfSSL 0:d92f9d21154c 52
wolfSSL 0:d92f9d21154c 53 int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 54 {
wolfSSL 0:d92f9d21154c 55 return Des_CbcEncrypt(des, out, in, sz);
wolfSSL 0:d92f9d21154c 56 }
wolfSSL 0:d92f9d21154c 57
wolfSSL 0:d92f9d21154c 58
wolfSSL 0:d92f9d21154c 59 int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 60 {
wolfSSL 0:d92f9d21154c 61 return Des_CbcDecrypt(des, out, in, sz);
wolfSSL 0:d92f9d21154c 62 }
wolfSSL 0:d92f9d21154c 63
wolfSSL 0:d92f9d21154c 64
wolfSSL 0:d92f9d21154c 65 int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 66 {
wolfSSL 0:d92f9d21154c 67 return Des3_CbcEncrypt_fips(des, out, in, sz);
wolfSSL 0:d92f9d21154c 68 }
wolfSSL 0:d92f9d21154c 69
wolfSSL 0:d92f9d21154c 70
wolfSSL 0:d92f9d21154c 71 int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 72 {
wolfSSL 0:d92f9d21154c 73 return Des3_CbcDecrypt_fips(des, out, in, sz);
wolfSSL 0:d92f9d21154c 74 }
wolfSSL 0:d92f9d21154c 75
wolfSSL 0:d92f9d21154c 76
wolfSSL 0:d92f9d21154c 77 #ifdef WOLFSSL_DES_ECB
wolfSSL 0:d92f9d21154c 78
wolfSSL 0:d92f9d21154c 79 /* One block, compatibility only */
wolfSSL 0:d92f9d21154c 80 int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 81 {
wolfSSL 0:d92f9d21154c 82 return Des_EcbEncrypt(des, out, in, sz);
wolfSSL 0:d92f9d21154c 83 }
wolfSSL 0:d92f9d21154c 84
wolfSSL 0:d92f9d21154c 85 #endif /* WOLFSSL_DES_ECB */
wolfSSL 0:d92f9d21154c 86
wolfSSL 0:d92f9d21154c 87
wolfSSL 0:d92f9d21154c 88 void wc_Des_SetIV(Des* des, const byte* iv)
wolfSSL 0:d92f9d21154c 89 {
wolfSSL 0:d92f9d21154c 90 Des_SetIV(des, iv);
wolfSSL 0:d92f9d21154c 91 }
wolfSSL 0:d92f9d21154c 92
wolfSSL 0:d92f9d21154c 93
wolfSSL 0:d92f9d21154c 94 int wc_Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
wolfSSL 0:d92f9d21154c 95 const byte* key, const byte* iv)
wolfSSL 0:d92f9d21154c 96 {
wolfSSL 0:d92f9d21154c 97 return Des_CbcDecryptWithKey(out, in, sz, key, iv);
wolfSSL 0:d92f9d21154c 98 }
wolfSSL 0:d92f9d21154c 99
wolfSSL 0:d92f9d21154c 100
wolfSSL 0:d92f9d21154c 101 int wc_Des3_SetIV(Des3* des, const byte* iv)
wolfSSL 0:d92f9d21154c 102 {
wolfSSL 0:d92f9d21154c 103 return Des3_SetIV_fips(des, iv);
wolfSSL 0:d92f9d21154c 104 }
wolfSSL 0:d92f9d21154c 105
wolfSSL 0:d92f9d21154c 106
wolfSSL 0:d92f9d21154c 107 int wc_Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
wolfSSL 0:d92f9d21154c 108 const byte* key, const byte* iv)
wolfSSL 0:d92f9d21154c 109 {
wolfSSL 0:d92f9d21154c 110 return Des3_CbcDecryptWithKey(out, in, sz, key, iv);
wolfSSL 0:d92f9d21154c 111 }
wolfSSL 0:d92f9d21154c 112
wolfSSL 0:d92f9d21154c 113
wolfSSL 0:d92f9d21154c 114 #ifdef HAVE_CAVIUM
wolfSSL 0:d92f9d21154c 115
wolfSSL 0:d92f9d21154c 116 /* Initiliaze Des3 for use with Nitrox device */
wolfSSL 0:d92f9d21154c 117 int wc_Des3_InitCavium(Des3* des3, int devId)
wolfSSL 0:d92f9d21154c 118 {
wolfSSL 0:d92f9d21154c 119 return Des3_InitCavium(des3, devId);
wolfSSL 0:d92f9d21154c 120 }
wolfSSL 0:d92f9d21154c 121
wolfSSL 0:d92f9d21154c 122
wolfSSL 0:d92f9d21154c 123 /* Free Des3 from use with Nitrox device */
wolfSSL 0:d92f9d21154c 124 void wc_Des3_FreeCavium(Des3* des3)
wolfSSL 0:d92f9d21154c 125 {
wolfSSL 0:d92f9d21154c 126 Des3_FreeCavium(des3);
wolfSSL 0:d92f9d21154c 127 }
wolfSSL 0:d92f9d21154c 128
wolfSSL 0:d92f9d21154c 129
wolfSSL 0:d92f9d21154c 130 #endif /* HAVE_CAVIUM */
wolfSSL 0:d92f9d21154c 131 #else /* build without fips */
wolfSSL 0:d92f9d21154c 132
wolfSSL 0:d92f9d21154c 133 #if defined(WOLFSSL_TI_CRYPT)
wolfSSL 0:d92f9d21154c 134 #include <wolfcrypt/src/port/ti/ti-des3.c>
wolfSSL 0:d92f9d21154c 135 #else
wolfSSL 0:d92f9d21154c 136
wolfSSL 0:d92f9d21154c 137 #include <wolfssl/wolfcrypt/error-crypt.h>
wolfSSL 0:d92f9d21154c 138 #include <wolfssl/wolfcrypt/logging.h>
wolfSSL 0:d92f9d21154c 139
wolfSSL 0:d92f9d21154c 140 #ifdef NO_INLINE
wolfSSL 0:d92f9d21154c 141 #include <wolfssl/wolfcrypt/misc.h>
wolfSSL 0:d92f9d21154c 142 #else
wolfSSL 0:d92f9d21154c 143 #include <wolfcrypt/src/misc.c>
wolfSSL 0:d92f9d21154c 144 #endif
wolfSSL 0:d92f9d21154c 145
wolfSSL 0:d92f9d21154c 146
wolfSSL 0:d92f9d21154c 147 #ifdef HAVE_CAVIUM
wolfSSL 0:d92f9d21154c 148 static int wc_Des3_CaviumSetKey(Des3* des3, const byte* key, const byte* iv);
wolfSSL 0:d92f9d21154c 149 static int wc_Des3_CaviumCbcEncrypt(Des3* des3, byte* out, const byte* in,
wolfSSL 0:d92f9d21154c 150 word32 length);
wolfSSL 0:d92f9d21154c 151 static int wc_Des3_CaviumCbcDecrypt(Des3* des3, byte* out, const byte* in,
wolfSSL 0:d92f9d21154c 152 word32 length);
wolfSSL 0:d92f9d21154c 153 #endif
wolfSSL 0:d92f9d21154c 154
wolfSSL 0:d92f9d21154c 155
wolfSSL 0:d92f9d21154c 156
wolfSSL 0:d92f9d21154c 157
wolfSSL 0:d92f9d21154c 158 #ifdef STM32F2_CRYPTO
wolfSSL 0:d92f9d21154c 159 /*
wolfSSL 0:d92f9d21154c 160 * STM32F2 hardware DES/3DES support through the STM32F2 standard
wolfSSL 0:d92f9d21154c 161 * peripheral library. Documentation located in STM32F2xx Standard
wolfSSL 0:d92f9d21154c 162 * Peripheral Library document (See note in README).
wolfSSL 0:d92f9d21154c 163 */
wolfSSL 0:d92f9d21154c 164 #include "stm32f2xx.h"
wolfSSL 0:d92f9d21154c 165 #include "stm32f2xx_cryp.h"
wolfSSL 0:d92f9d21154c 166
wolfSSL 0:d92f9d21154c 167 int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 168 {
wolfSSL 0:d92f9d21154c 169 word32 *dkey = des->key;
wolfSSL 0:d92f9d21154c 170
wolfSSL 0:d92f9d21154c 171 XMEMCPY(dkey, key, 8);
wolfSSL 0:d92f9d21154c 172 ByteReverseWords(dkey, dkey, 8);
wolfSSL 0:d92f9d21154c 173
wolfSSL 0:d92f9d21154c 174 wc_Des_SetIV(des, iv);
wolfSSL 0:d92f9d21154c 175
wolfSSL 0:d92f9d21154c 176 return 0;
wolfSSL 0:d92f9d21154c 177 }
wolfSSL 0:d92f9d21154c 178
wolfSSL 0:d92f9d21154c 179 int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 180 {
wolfSSL 0:d92f9d21154c 181 word32 *dkey1 = des->key[0];
wolfSSL 0:d92f9d21154c 182 word32 *dkey2 = des->key[1];
wolfSSL 0:d92f9d21154c 183 word32 *dkey3 = des->key[2];
wolfSSL 0:d92f9d21154c 184
wolfSSL 0:d92f9d21154c 185 XMEMCPY(dkey1, key, 8); /* set key 1 */
wolfSSL 0:d92f9d21154c 186 XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
wolfSSL 0:d92f9d21154c 187 XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
wolfSSL 0:d92f9d21154c 188
wolfSSL 0:d92f9d21154c 189 ByteReverseWords(dkey1, dkey1, 8);
wolfSSL 0:d92f9d21154c 190 ByteReverseWords(dkey2, dkey2, 8);
wolfSSL 0:d92f9d21154c 191 ByteReverseWords(dkey3, dkey3, 8);
wolfSSL 0:d92f9d21154c 192
wolfSSL 0:d92f9d21154c 193 return wc_Des3_SetIV(des, iv);
wolfSSL 0:d92f9d21154c 194 }
wolfSSL 0:d92f9d21154c 195
wolfSSL 0:d92f9d21154c 196 void DesCrypt(Des* des, byte* out, const byte* in, word32 sz,
wolfSSL 0:d92f9d21154c 197 int dir, int mode)
wolfSSL 0:d92f9d21154c 198 {
wolfSSL 0:d92f9d21154c 199 word32 *dkey, *iv;
wolfSSL 0:d92f9d21154c 200 CRYP_InitTypeDef DES_CRYP_InitStructure;
wolfSSL 0:d92f9d21154c 201 CRYP_KeyInitTypeDef DES_CRYP_KeyInitStructure;
wolfSSL 0:d92f9d21154c 202 CRYP_IVInitTypeDef DES_CRYP_IVInitStructure;
wolfSSL 0:d92f9d21154c 203
wolfSSL 0:d92f9d21154c 204 dkey = des->key;
wolfSSL 0:d92f9d21154c 205 iv = des->reg;
wolfSSL 0:d92f9d21154c 206
wolfSSL 0:d92f9d21154c 207 /* crypto structure initialization */
wolfSSL 0:d92f9d21154c 208 CRYP_KeyStructInit(&DES_CRYP_KeyInitStructure);
wolfSSL 0:d92f9d21154c 209 CRYP_StructInit(&DES_CRYP_InitStructure);
wolfSSL 0:d92f9d21154c 210 CRYP_IVStructInit(&DES_CRYP_IVInitStructure);
wolfSSL 0:d92f9d21154c 211
wolfSSL 0:d92f9d21154c 212 /* reset registers to their default values */
wolfSSL 0:d92f9d21154c 213 CRYP_DeInit();
wolfSSL 0:d92f9d21154c 214
wolfSSL 0:d92f9d21154c 215 /* set direction, mode, and datatype */
wolfSSL 0:d92f9d21154c 216 if (dir == DES_ENCRYPTION) {
wolfSSL 0:d92f9d21154c 217 DES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
wolfSSL 0:d92f9d21154c 218 } else { /* DES_DECRYPTION */
wolfSSL 0:d92f9d21154c 219 DES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
wolfSSL 0:d92f9d21154c 220 }
wolfSSL 0:d92f9d21154c 221
wolfSSL 0:d92f9d21154c 222 if (mode == DES_CBC) {
wolfSSL 0:d92f9d21154c 223 DES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_DES_CBC;
wolfSSL 0:d92f9d21154c 224 } else { /* DES_ECB */
wolfSSL 0:d92f9d21154c 225 DES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_DES_ECB;
wolfSSL 0:d92f9d21154c 226 }
wolfSSL 0:d92f9d21154c 227
wolfSSL 0:d92f9d21154c 228 DES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
wolfSSL 0:d92f9d21154c 229 CRYP_Init(&DES_CRYP_InitStructure);
wolfSSL 0:d92f9d21154c 230
wolfSSL 0:d92f9d21154c 231 /* load key into correct registers */
wolfSSL 0:d92f9d21154c 232 DES_CRYP_KeyInitStructure.CRYP_Key1Left = dkey[0];
wolfSSL 0:d92f9d21154c 233 DES_CRYP_KeyInitStructure.CRYP_Key1Right = dkey[1];
wolfSSL 0:d92f9d21154c 234 CRYP_KeyInit(&DES_CRYP_KeyInitStructure);
wolfSSL 0:d92f9d21154c 235
wolfSSL 0:d92f9d21154c 236 /* set iv */
wolfSSL 0:d92f9d21154c 237 ByteReverseWords(iv, iv, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 238 DES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
wolfSSL 0:d92f9d21154c 239 DES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
wolfSSL 0:d92f9d21154c 240 CRYP_IVInit(&DES_CRYP_IVInitStructure);
wolfSSL 0:d92f9d21154c 241
wolfSSL 0:d92f9d21154c 242 /* enable crypto processor */
wolfSSL 0:d92f9d21154c 243 CRYP_Cmd(ENABLE);
wolfSSL 0:d92f9d21154c 244
wolfSSL 0:d92f9d21154c 245 while (sz > 0)
wolfSSL 0:d92f9d21154c 246 {
wolfSSL 0:d92f9d21154c 247 /* flush IN/OUT FIFOs */
wolfSSL 0:d92f9d21154c 248 CRYP_FIFOFlush();
wolfSSL 0:d92f9d21154c 249
wolfSSL 0:d92f9d21154c 250 /* if input and output same will overwrite input iv */
wolfSSL 0:d92f9d21154c 251 XMEMCPY(des->tmp, in + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 252
wolfSSL 0:d92f9d21154c 253 CRYP_DataIn(*(uint32_t*)&in[0]);
wolfSSL 0:d92f9d21154c 254 CRYP_DataIn(*(uint32_t*)&in[4]);
wolfSSL 0:d92f9d21154c 255
wolfSSL 0:d92f9d21154c 256 /* wait until the complete message has been processed */
wolfSSL 0:d92f9d21154c 257 while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
wolfSSL 0:d92f9d21154c 258
wolfSSL 0:d92f9d21154c 259 *(uint32_t*)&out[0] = CRYP_DataOut();
wolfSSL 0:d92f9d21154c 260 *(uint32_t*)&out[4] = CRYP_DataOut();
wolfSSL 0:d92f9d21154c 261
wolfSSL 0:d92f9d21154c 262 /* store iv for next call */
wolfSSL 0:d92f9d21154c 263 XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 264
wolfSSL 0:d92f9d21154c 265 sz -= DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 266 in += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 267 out += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 268 }
wolfSSL 0:d92f9d21154c 269
wolfSSL 0:d92f9d21154c 270 /* disable crypto processor */
wolfSSL 0:d92f9d21154c 271 CRYP_Cmd(DISABLE);
wolfSSL 0:d92f9d21154c 272 }
wolfSSL 0:d92f9d21154c 273
wolfSSL 0:d92f9d21154c 274 int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 275 {
wolfSSL 0:d92f9d21154c 276 DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_CBC);
wolfSSL 0:d92f9d21154c 277 return 0;
wolfSSL 0:d92f9d21154c 278 }
wolfSSL 0:d92f9d21154c 279
wolfSSL 0:d92f9d21154c 280 int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 281 {
wolfSSL 0:d92f9d21154c 282 DesCrypt(des, out, in, sz, DES_DECRYPTION, DES_CBC);
wolfSSL 0:d92f9d21154c 283 return 0;
wolfSSL 0:d92f9d21154c 284 }
wolfSSL 0:d92f9d21154c 285
wolfSSL 0:d92f9d21154c 286 int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 287 {
wolfSSL 0:d92f9d21154c 288 DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_ECB);
wolfSSL 0:d92f9d21154c 289 return 0;
wolfSSL 0:d92f9d21154c 290 }
wolfSSL 0:d92f9d21154c 291
wolfSSL 0:d92f9d21154c 292 void Des3Crypt(Des3* des, byte* out, const byte* in, word32 sz,
wolfSSL 0:d92f9d21154c 293 int dir)
wolfSSL 0:d92f9d21154c 294 {
wolfSSL 0:d92f9d21154c 295 word32 *dkey1, *dkey2, *dkey3, *iv;
wolfSSL 0:d92f9d21154c 296 CRYP_InitTypeDef DES3_CRYP_InitStructure;
wolfSSL 0:d92f9d21154c 297 CRYP_KeyInitTypeDef DES3_CRYP_KeyInitStructure;
wolfSSL 0:d92f9d21154c 298 CRYP_IVInitTypeDef DES3_CRYP_IVInitStructure;
wolfSSL 0:d92f9d21154c 299
wolfSSL 0:d92f9d21154c 300 dkey1 = des->key[0];
wolfSSL 0:d92f9d21154c 301 dkey2 = des->key[1];
wolfSSL 0:d92f9d21154c 302 dkey3 = des->key[2];
wolfSSL 0:d92f9d21154c 303 iv = des->reg;
wolfSSL 0:d92f9d21154c 304
wolfSSL 0:d92f9d21154c 305 /* crypto structure initialization */
wolfSSL 0:d92f9d21154c 306 CRYP_KeyStructInit(&DES3_CRYP_KeyInitStructure);
wolfSSL 0:d92f9d21154c 307 CRYP_StructInit(&DES3_CRYP_InitStructure);
wolfSSL 0:d92f9d21154c 308 CRYP_IVStructInit(&DES3_CRYP_IVInitStructure);
wolfSSL 0:d92f9d21154c 309
wolfSSL 0:d92f9d21154c 310 /* reset registers to their default values */
wolfSSL 0:d92f9d21154c 311 CRYP_DeInit();
wolfSSL 0:d92f9d21154c 312
wolfSSL 0:d92f9d21154c 313 /* set direction, mode, and datatype */
wolfSSL 0:d92f9d21154c 314 if (dir == DES_ENCRYPTION) {
wolfSSL 0:d92f9d21154c 315 DES3_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
wolfSSL 0:d92f9d21154c 316 } else {
wolfSSL 0:d92f9d21154c 317 DES3_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
wolfSSL 0:d92f9d21154c 318 }
wolfSSL 0:d92f9d21154c 319
wolfSSL 0:d92f9d21154c 320 DES3_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_TDES_CBC;
wolfSSL 0:d92f9d21154c 321 DES3_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
wolfSSL 0:d92f9d21154c 322 CRYP_Init(&DES3_CRYP_InitStructure);
wolfSSL 0:d92f9d21154c 323
wolfSSL 0:d92f9d21154c 324 /* load key into correct registers */
wolfSSL 0:d92f9d21154c 325 DES3_CRYP_KeyInitStructure.CRYP_Key1Left = dkey1[0];
wolfSSL 0:d92f9d21154c 326 DES3_CRYP_KeyInitStructure.CRYP_Key1Right = dkey1[1];
wolfSSL 0:d92f9d21154c 327 DES3_CRYP_KeyInitStructure.CRYP_Key2Left = dkey2[0];
wolfSSL 0:d92f9d21154c 328 DES3_CRYP_KeyInitStructure.CRYP_Key2Right = dkey2[1];
wolfSSL 0:d92f9d21154c 329 DES3_CRYP_KeyInitStructure.CRYP_Key3Left = dkey3[0];
wolfSSL 0:d92f9d21154c 330 DES3_CRYP_KeyInitStructure.CRYP_Key3Right = dkey3[1];
wolfSSL 0:d92f9d21154c 331 CRYP_KeyInit(&DES3_CRYP_KeyInitStructure);
wolfSSL 0:d92f9d21154c 332
wolfSSL 0:d92f9d21154c 333 /* set iv */
wolfSSL 0:d92f9d21154c 334 ByteReverseWords(iv, iv, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 335 DES3_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
wolfSSL 0:d92f9d21154c 336 DES3_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
wolfSSL 0:d92f9d21154c 337 CRYP_IVInit(&DES3_CRYP_IVInitStructure);
wolfSSL 0:d92f9d21154c 338
wolfSSL 0:d92f9d21154c 339 /* enable crypto processor */
wolfSSL 0:d92f9d21154c 340 CRYP_Cmd(ENABLE);
wolfSSL 0:d92f9d21154c 341
wolfSSL 0:d92f9d21154c 342 while (sz > 0)
wolfSSL 0:d92f9d21154c 343 {
wolfSSL 0:d92f9d21154c 344 /* flush IN/OUT FIFOs */
wolfSSL 0:d92f9d21154c 345 CRYP_FIFOFlush();
wolfSSL 0:d92f9d21154c 346
wolfSSL 0:d92f9d21154c 347 CRYP_DataIn(*(uint32_t*)&in[0]);
wolfSSL 0:d92f9d21154c 348 CRYP_DataIn(*(uint32_t*)&in[4]);
wolfSSL 0:d92f9d21154c 349
wolfSSL 0:d92f9d21154c 350 /* wait until the complete message has been processed */
wolfSSL 0:d92f9d21154c 351 while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
wolfSSL 0:d92f9d21154c 352
wolfSSL 0:d92f9d21154c 353 *(uint32_t*)&out[0] = CRYP_DataOut();
wolfSSL 0:d92f9d21154c 354 *(uint32_t*)&out[4] = CRYP_DataOut();
wolfSSL 0:d92f9d21154c 355
wolfSSL 0:d92f9d21154c 356 /* store iv for next call */
wolfSSL 0:d92f9d21154c 357 XMEMCPY(des->reg, out + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 358
wolfSSL 0:d92f9d21154c 359 sz -= DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 360 in += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 361 out += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 362 }
wolfSSL 0:d92f9d21154c 363
wolfSSL 0:d92f9d21154c 364 /* disable crypto processor */
wolfSSL 0:d92f9d21154c 365 CRYP_Cmd(DISABLE);
wolfSSL 0:d92f9d21154c 366
wolfSSL 0:d92f9d21154c 367 }
wolfSSL 0:d92f9d21154c 368
wolfSSL 0:d92f9d21154c 369 int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 370 {
wolfSSL 0:d92f9d21154c 371 Des3Crypt(des, out, in, sz, DES_ENCRYPTION);
wolfSSL 0:d92f9d21154c 372 return 0;
wolfSSL 0:d92f9d21154c 373 }
wolfSSL 0:d92f9d21154c 374
wolfSSL 0:d92f9d21154c 375 int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 376 {
wolfSSL 0:d92f9d21154c 377 Des3Crypt(des, out, in, sz, DES_DECRYPTION);
wolfSSL 0:d92f9d21154c 378 return 0;
wolfSSL 0:d92f9d21154c 379 }
wolfSSL 0:d92f9d21154c 380
wolfSSL 0:d92f9d21154c 381 #elif defined(HAVE_COLDFIRE_SEC)
wolfSSL 0:d92f9d21154c 382
wolfSSL 0:d92f9d21154c 383 #include <wolfssl/ctaocrypt/types.h>
wolfSSL 0:d92f9d21154c 384
wolfSSL 0:d92f9d21154c 385 #include "sec.h"
wolfSSL 0:d92f9d21154c 386 #include "mcf5475_sec.h"
wolfSSL 0:d92f9d21154c 387 #include "mcf5475_siu.h"
wolfSSL 0:d92f9d21154c 388
wolfSSL 0:d92f9d21154c 389 #if defined (HAVE_THREADX)
wolfSSL 0:d92f9d21154c 390 #include "memory_pools.h"
wolfSSL 0:d92f9d21154c 391 extern TX_BYTE_POOL mp_ncached; /* Non Cached memory pool */
wolfSSL 0:d92f9d21154c 392 #endif
wolfSSL 0:d92f9d21154c 393
wolfSSL 0:d92f9d21154c 394 #define DES_BUFFER_SIZE (DES_BLOCK_SIZE * 64)
wolfSSL 0:d92f9d21154c 395 static unsigned char *desBuffIn = NULL ;
wolfSSL 0:d92f9d21154c 396 static unsigned char *desBuffOut = NULL ;
wolfSSL 0:d92f9d21154c 397 static byte *secIV ;
wolfSSL 0:d92f9d21154c 398 static byte *secKey ;
wolfSSL 0:d92f9d21154c 399 static volatile SECdescriptorType *secDesc ;
wolfSSL 0:d92f9d21154c 400
wolfSSL 0:d92f9d21154c 401 static wolfSSL_Mutex Mutex_DesSEC ;
wolfSSL 0:d92f9d21154c 402
wolfSSL 0:d92f9d21154c 403 #define SEC_DESC_DES_CBC_ENCRYPT 0x20500010
wolfSSL 0:d92f9d21154c 404 #define SEC_DESC_DES_CBC_DECRYPT 0x20400010
wolfSSL 0:d92f9d21154c 405 #define SEC_DESC_DES3_CBC_ENCRYPT 0x20700010
wolfSSL 0:d92f9d21154c 406 #define SEC_DESC_DES3_CBC_DECRYPT 0x20600010
wolfSSL 0:d92f9d21154c 407
wolfSSL 0:d92f9d21154c 408 #define DES_IVLEN 8
wolfSSL 0:d92f9d21154c 409 #define DES_KEYLEN 8
wolfSSL 0:d92f9d21154c 410 #define DES3_IVLEN 8
wolfSSL 0:d92f9d21154c 411 #define DES3_KEYLEN 24
wolfSSL 0:d92f9d21154c 412
wolfSSL 0:d92f9d21154c 413 extern volatile unsigned char __MBAR[];
wolfSSL 0:d92f9d21154c 414
wolfSSL 0:d92f9d21154c 415 static void wc_Des_Cbc(byte* out, const byte* in, word32 sz,
wolfSSL 0:d92f9d21154c 416 byte *key, byte *iv, word32 desc)
wolfSSL 0:d92f9d21154c 417 {
wolfSSL 0:d92f9d21154c 418 #ifdef DEBUG_WOLFSSL
wolfSSL 0:d92f9d21154c 419 int ret ; int stat1,stat2 ;
wolfSSL 0:d92f9d21154c 420 #endif
wolfSSL 0:d92f9d21154c 421 int size ;
wolfSSL 0:d92f9d21154c 422 volatile int v ;
wolfSSL 0:d92f9d21154c 423
wolfSSL 0:d92f9d21154c 424 LockMutex(&Mutex_DesSEC) ;
wolfSSL 0:d92f9d21154c 425
wolfSSL 0:d92f9d21154c 426 secDesc->length1 = 0x0;
wolfSSL 0:d92f9d21154c 427 secDesc->pointer1 = NULL;
wolfSSL 0:d92f9d21154c 428 if((desc==SEC_DESC_DES_CBC_ENCRYPT)||(desc==SEC_DESC_DES_CBC_DECRYPT)){
wolfSSL 0:d92f9d21154c 429 secDesc->length2 = DES_IVLEN ;
wolfSSL 0:d92f9d21154c 430 secDesc->length3 = DES_KEYLEN ;
wolfSSL 0:d92f9d21154c 431 } else {
wolfSSL 0:d92f9d21154c 432 secDesc->length2 = DES3_IVLEN ;
wolfSSL 0:d92f9d21154c 433 secDesc->length3 = DES3_KEYLEN ;
wolfSSL 0:d92f9d21154c 434 }
wolfSSL 0:d92f9d21154c 435 secDesc->pointer2 = secIV ;
wolfSSL 0:d92f9d21154c 436 secDesc->pointer3 = secKey;
wolfSSL 0:d92f9d21154c 437 secDesc->pointer4 = desBuffIn ;
wolfSSL 0:d92f9d21154c 438 secDesc->pointer5 = desBuffOut ;
wolfSSL 0:d92f9d21154c 439 secDesc->length6 = 0;
wolfSSL 0:d92f9d21154c 440 secDesc->pointer6 = NULL;
wolfSSL 0:d92f9d21154c 441 secDesc->length7 = 0x0;
wolfSSL 0:d92f9d21154c 442 secDesc->pointer7 = NULL;
wolfSSL 0:d92f9d21154c 443 secDesc->nextDescriptorPtr = NULL ;
wolfSSL 0:d92f9d21154c 444
wolfSSL 0:d92f9d21154c 445 while(sz) {
wolfSSL 0:d92f9d21154c 446 XMEMCPY(secIV, iv, secDesc->length2) ;
wolfSSL 0:d92f9d21154c 447 if((sz%DES_BUFFER_SIZE) == sz) {
wolfSSL 0:d92f9d21154c 448 size = sz ;
wolfSSL 0:d92f9d21154c 449 sz = 0 ;
wolfSSL 0:d92f9d21154c 450 } else {
wolfSSL 0:d92f9d21154c 451 size = DES_BUFFER_SIZE ;
wolfSSL 0:d92f9d21154c 452 sz -= DES_BUFFER_SIZE ;
wolfSSL 0:d92f9d21154c 453 }
wolfSSL 0:d92f9d21154c 454
wolfSSL 0:d92f9d21154c 455 XMEMCPY(desBuffIn, in, size) ;
wolfSSL 0:d92f9d21154c 456 XMEMCPY(secKey, key, secDesc->length3) ;
wolfSSL 0:d92f9d21154c 457
wolfSSL 0:d92f9d21154c 458 secDesc->header = desc ;
wolfSSL 0:d92f9d21154c 459 secDesc->length4 = size;
wolfSSL 0:d92f9d21154c 460 secDesc->length5 = size;
wolfSSL 0:d92f9d21154c 461 /* Point SEC to the location of the descriptor */
wolfSSL 0:d92f9d21154c 462 MCF_SEC_FR0 = (uint32)secDesc;
wolfSSL 0:d92f9d21154c 463 /* Initialize SEC and wait for encryption to complete */
wolfSSL 0:d92f9d21154c 464 MCF_SEC_CCCR0 = 0x0000001a;
wolfSSL 0:d92f9d21154c 465 /* poll SISR to determine when channel is complete */
wolfSSL 0:d92f9d21154c 466 v=0 ;
wolfSSL 0:d92f9d21154c 467 while((secDesc->header>> 24) != 0xff) {
wolfSSL 0:d92f9d21154c 468 if(v++ > 1000)break ;
wolfSSL 0:d92f9d21154c 469 }
wolfSSL 0:d92f9d21154c 470
wolfSSL 0:d92f9d21154c 471 #ifdef DEBUG_WOLFSSL
wolfSSL 0:d92f9d21154c 472 ret = MCF_SEC_SISRH;
wolfSSL 0:d92f9d21154c 473 stat1 = MCF_SEC_DSR ;
wolfSSL 0:d92f9d21154c 474 stat2 = MCF_SEC_DISR ;
wolfSSL 0:d92f9d21154c 475 if(ret & 0xe0000000) {
wolfSSL 0:d92f9d21154c 476 /* db_printf("Des_Cbc(%x):ISRH=%08x, DSR=%08x, DISR=%08x\n", desc, ret, stat1, stat2) ; */
wolfSSL 0:d92f9d21154c 477 }
wolfSSL 0:d92f9d21154c 478 #endif
wolfSSL 0:d92f9d21154c 479
wolfSSL 0:d92f9d21154c 480 XMEMCPY(out, desBuffOut, size) ;
wolfSSL 0:d92f9d21154c 481
wolfSSL 0:d92f9d21154c 482 if((desc==SEC_DESC_DES3_CBC_ENCRYPT)||(desc==SEC_DESC_DES_CBC_ENCRYPT)) {
wolfSSL 0:d92f9d21154c 483 XMEMCPY((void*)iv, (void*)&(out[size-secDesc->length2]), secDesc->length2) ;
wolfSSL 0:d92f9d21154c 484 } else {
wolfSSL 0:d92f9d21154c 485 XMEMCPY((void*)iv, (void*)&(in[size-secDesc->length2]), secDesc->length2) ;
wolfSSL 0:d92f9d21154c 486 }
wolfSSL 0:d92f9d21154c 487
wolfSSL 0:d92f9d21154c 488 in += size ;
wolfSSL 0:d92f9d21154c 489 out += size ;
wolfSSL 0:d92f9d21154c 490
wolfSSL 0:d92f9d21154c 491 }
wolfSSL 0:d92f9d21154c 492 UnLockMutex(&Mutex_DesSEC) ;
wolfSSL 0:d92f9d21154c 493
wolfSSL 0:d92f9d21154c 494 }
wolfSSL 0:d92f9d21154c 495
wolfSSL 0:d92f9d21154c 496
wolfSSL 0:d92f9d21154c 497 int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 498 {
wolfSSL 0:d92f9d21154c 499 wc_Des_Cbc(out, in, sz, (byte *)des->key, (byte *)des->reg, SEC_DESC_DES_CBC_ENCRYPT) ;
wolfSSL 0:d92f9d21154c 500 return 0;
wolfSSL 0:d92f9d21154c 501 }
wolfSSL 0:d92f9d21154c 502
wolfSSL 0:d92f9d21154c 503 int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 504 {
wolfSSL 0:d92f9d21154c 505 wc_Des_Cbc(out, in, sz, (byte *)des->key, (byte *)des->reg, SEC_DESC_DES_CBC_DECRYPT) ;
wolfSSL 0:d92f9d21154c 506 return 0;
wolfSSL 0:d92f9d21154c 507 }
wolfSSL 0:d92f9d21154c 508
wolfSSL 0:d92f9d21154c 509 int wc_Des3_CbcEncrypt(Des3* des3, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 510 {
wolfSSL 0:d92f9d21154c 511 wc_Des_Cbc(out, in, sz, (byte *)des3->key, (byte *)des3->reg, SEC_DESC_DES3_CBC_ENCRYPT) ;
wolfSSL 0:d92f9d21154c 512 return 0;
wolfSSL 0:d92f9d21154c 513 }
wolfSSL 0:d92f9d21154c 514
wolfSSL 0:d92f9d21154c 515
wolfSSL 0:d92f9d21154c 516 int wc_Des3_CbcDecrypt(Des3* des3, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 517 {
wolfSSL 0:d92f9d21154c 518 wc_Des_Cbc(out, in, sz, (byte *)des3->key, (byte *)des3->reg, SEC_DESC_DES3_CBC_DECRYPT) ;
wolfSSL 0:d92f9d21154c 519 return 0;
wolfSSL 0:d92f9d21154c 520 }
wolfSSL 0:d92f9d21154c 521
wolfSSL 0:d92f9d21154c 522 static void setParity(byte *buf, int len)
wolfSSL 0:d92f9d21154c 523 {
wolfSSL 0:d92f9d21154c 524 int i, j ;
wolfSSL 0:d92f9d21154c 525 byte v ;
wolfSSL 0:d92f9d21154c 526 int bits ;
wolfSSL 0:d92f9d21154c 527
wolfSSL 0:d92f9d21154c 528 for(i=0; i<len; i++)
wolfSSL 0:d92f9d21154c 529 {
wolfSSL 0:d92f9d21154c 530 v = buf[i] >> 1 ;
wolfSSL 0:d92f9d21154c 531 buf[i] = v << 1 ;
wolfSSL 0:d92f9d21154c 532 bits = 0 ;
wolfSSL 0:d92f9d21154c 533 for(j=0; j<7; j++)
wolfSSL 0:d92f9d21154c 534 {
wolfSSL 0:d92f9d21154c 535 bits += (v&0x1) ;
wolfSSL 0:d92f9d21154c 536 v = v >> 1 ;
wolfSSL 0:d92f9d21154c 537 }
wolfSSL 0:d92f9d21154c 538 buf[i] |= (1 - (bits&0x1)) ;
wolfSSL 0:d92f9d21154c 539 }
wolfSSL 0:d92f9d21154c 540
wolfSSL 0:d92f9d21154c 541 }
wolfSSL 0:d92f9d21154c 542
wolfSSL 0:d92f9d21154c 543
wolfSSL 0:d92f9d21154c 544 int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 545 {
wolfSSL 0:d92f9d21154c 546 if(desBuffIn == NULL) {
wolfSSL 0:d92f9d21154c 547 #if defined (HAVE_THREADX)
wolfSSL 0:d92f9d21154c 548 int s1, s2, s3, s4, s5 ;
wolfSSL 0:d92f9d21154c 549 s5 = tx_byte_allocate(&mp_ncached,(void *)&secDesc,
wolfSSL 0:d92f9d21154c 550 sizeof(SECdescriptorType), TX_NO_WAIT);
wolfSSL 0:d92f9d21154c 551 s1 = tx_byte_allocate(&mp_ncached,(void *)&desBuffIn, DES_BUFFER_SIZE, TX_NO_WAIT);
wolfSSL 0:d92f9d21154c 552 s2 = tx_byte_allocate(&mp_ncached,(void *)&desBuffOut, DES_BUFFER_SIZE, TX_NO_WAIT);
wolfSSL 0:d92f9d21154c 553 /* Don't know des or des3 to be used. Allocate larger buffers */
wolfSSL 0:d92f9d21154c 554 s3 = tx_byte_allocate(&mp_ncached,(void *)&secKey, DES3_KEYLEN,TX_NO_WAIT);
wolfSSL 0:d92f9d21154c 555 s4 = tx_byte_allocate(&mp_ncached,(void *)&secIV, DES3_IVLEN, TX_NO_WAIT);
wolfSSL 0:d92f9d21154c 556 #else
wolfSSL 0:d92f9d21154c 557 #warning "Allocate non-Cache buffers"
wolfSSL 0:d92f9d21154c 558 #endif
wolfSSL 0:d92f9d21154c 559
wolfSSL 0:d92f9d21154c 560 InitMutex(&Mutex_DesSEC) ;
wolfSSL 0:d92f9d21154c 561 }
wolfSSL 0:d92f9d21154c 562
wolfSSL 0:d92f9d21154c 563 XMEMCPY(des->key, key, DES_KEYLEN);
wolfSSL 0:d92f9d21154c 564 setParity((byte *)des->key, DES_KEYLEN) ;
wolfSSL 0:d92f9d21154c 565
wolfSSL 0:d92f9d21154c 566 if (iv) {
wolfSSL 0:d92f9d21154c 567 XMEMCPY(des->reg, iv, DES_IVLEN);
wolfSSL 0:d92f9d21154c 568 } else {
wolfSSL 0:d92f9d21154c 569 XMEMSET(des->reg, 0x0, DES_IVLEN) ;
wolfSSL 0:d92f9d21154c 570 }
wolfSSL 0:d92f9d21154c 571 return 0;
wolfSSL 0:d92f9d21154c 572 }
wolfSSL 0:d92f9d21154c 573
wolfSSL 0:d92f9d21154c 574 int wc_Des3_SetKey(Des3* des3, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 575 {
wolfSSL 0:d92f9d21154c 576
wolfSSL 0:d92f9d21154c 577 if(desBuffIn == NULL) {
wolfSSL 0:d92f9d21154c 578 #if defined (HAVE_THREADX)
wolfSSL 0:d92f9d21154c 579 int s1, s2, s3, s4, s5 ;
wolfSSL 0:d92f9d21154c 580 s5 = tx_byte_allocate(&mp_ncached,(void *)&secDesc,
wolfSSL 0:d92f9d21154c 581 sizeof(SECdescriptorType), TX_NO_WAIT);
wolfSSL 0:d92f9d21154c 582 s1 = tx_byte_allocate(&mp_ncached,(void *)&desBuffIn, DES_BUFFER_SIZE, TX_NO_WAIT);
wolfSSL 0:d92f9d21154c 583 s2 = tx_byte_allocate(&mp_ncached,(void *)&desBuffOut, DES_BUFFER_SIZE, TX_NO_WAIT);
wolfSSL 0:d92f9d21154c 584 s3 = tx_byte_allocate(&mp_ncached,(void *)&secKey, DES3_KEYLEN,TX_NO_WAIT);
wolfSSL 0:d92f9d21154c 585 s4 = tx_byte_allocate(&mp_ncached,(void *)&secIV, DES3_IVLEN, TX_NO_WAIT);
wolfSSL 0:d92f9d21154c 586 #else
wolfSSL 0:d92f9d21154c 587 #warning "Allocate non-Cache buffers"
wolfSSL 0:d92f9d21154c 588 #endif
wolfSSL 0:d92f9d21154c 589
wolfSSL 0:d92f9d21154c 590 InitMutex(&Mutex_DesSEC) ;
wolfSSL 0:d92f9d21154c 591 }
wolfSSL 0:d92f9d21154c 592
wolfSSL 0:d92f9d21154c 593 XMEMCPY(des3->key[0], key, DES3_KEYLEN);
wolfSSL 0:d92f9d21154c 594 setParity((byte *)des3->key[0], DES3_KEYLEN) ;
wolfSSL 0:d92f9d21154c 595
wolfSSL 0:d92f9d21154c 596 if (iv) {
wolfSSL 0:d92f9d21154c 597 XMEMCPY(des3->reg, iv, DES3_IVLEN);
wolfSSL 0:d92f9d21154c 598 } else {
wolfSSL 0:d92f9d21154c 599 XMEMSET(des3->reg, 0x0, DES3_IVLEN) ;
wolfSSL 0:d92f9d21154c 600 }
wolfSSL 0:d92f9d21154c 601 return 0;
wolfSSL 0:d92f9d21154c 602
wolfSSL 0:d92f9d21154c 603 }
wolfSSL 0:d92f9d21154c 604
wolfSSL 0:d92f9d21154c 605 #elif defined FREESCALE_MMCAU
wolfSSL 0:d92f9d21154c 606 /*
wolfSSL 0:d92f9d21154c 607 * Freescale mmCAU hardware DES/3DES support through the CAU/mmCAU library.
wolfSSL 0:d92f9d21154c 608 * Documentation located in ColdFire/ColdFire+ CAU and Kinetis mmCAU
wolfSSL 0:d92f9d21154c 609 * Software Library User Guide (See note in README).
wolfSSL 0:d92f9d21154c 610 */
wolfSSL 0:d92f9d21154c 611 #include "cau_api.h"
wolfSSL 0:d92f9d21154c 612
wolfSSL 0:d92f9d21154c 613 const unsigned char parityLookup[128] =
wolfSSL 0:d92f9d21154c 614 {
wolfSSL 0:d92f9d21154c 615 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,
wolfSSL 0:d92f9d21154c 616 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
wolfSSL 0:d92f9d21154c 617 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
wolfSSL 0:d92f9d21154c 618 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0
wolfSSL 0:d92f9d21154c 619 };
wolfSSL 0:d92f9d21154c 620
wolfSSL 0:d92f9d21154c 621 int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 622 {
wolfSSL 0:d92f9d21154c 623 int i = 0;
wolfSSL 0:d92f9d21154c 624 byte* dkey = (byte*)des->key;
wolfSSL 0:d92f9d21154c 625
wolfSSL 0:d92f9d21154c 626 XMEMCPY(dkey, key, 8);
wolfSSL 0:d92f9d21154c 627
wolfSSL 0:d92f9d21154c 628 wc_Des_SetIV(des, iv);
wolfSSL 0:d92f9d21154c 629
wolfSSL 0:d92f9d21154c 630 /* fix key parity, if needed */
wolfSSL 0:d92f9d21154c 631 for (i = 0; i < 8; i++) {
wolfSSL 0:d92f9d21154c 632 dkey[i] = ((dkey[i] & 0xFE) | parityLookup[dkey[i] >> 1]);
wolfSSL 0:d92f9d21154c 633 }
wolfSSL 0:d92f9d21154c 634
wolfSSL 0:d92f9d21154c 635 return 0;
wolfSSL 0:d92f9d21154c 636 }
wolfSSL 0:d92f9d21154c 637
wolfSSL 0:d92f9d21154c 638 int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 639 {
wolfSSL 0:d92f9d21154c 640 int i = 0, ret = 0;
wolfSSL 0:d92f9d21154c 641 byte* dkey1 = (byte*)des->key[0];
wolfSSL 0:d92f9d21154c 642 byte* dkey2 = (byte*)des->key[1];
wolfSSL 0:d92f9d21154c 643 byte* dkey3 = (byte*)des->key[2];
wolfSSL 0:d92f9d21154c 644
wolfSSL 0:d92f9d21154c 645 XMEMCPY(dkey1, key, 8); /* set key 1 */
wolfSSL 0:d92f9d21154c 646 XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
wolfSSL 0:d92f9d21154c 647 XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
wolfSSL 0:d92f9d21154c 648
wolfSSL 0:d92f9d21154c 649 ret = wc_Des3_SetIV(des, iv);
wolfSSL 0:d92f9d21154c 650 if (ret != 0)
wolfSSL 0:d92f9d21154c 651 return ret;
wolfSSL 0:d92f9d21154c 652
wolfSSL 0:d92f9d21154c 653 /* fix key parity if needed */
wolfSSL 0:d92f9d21154c 654 for (i = 0; i < 8; i++)
wolfSSL 0:d92f9d21154c 655 dkey1[i] = ((dkey1[i] & 0xFE) | parityLookup[dkey1[i] >> 1]);
wolfSSL 0:d92f9d21154c 656
wolfSSL 0:d92f9d21154c 657 for (i = 0; i < 8; i++)
wolfSSL 0:d92f9d21154c 658 dkey2[i] = ((dkey2[i] & 0xFE) | parityLookup[dkey2[i] >> 1]);
wolfSSL 0:d92f9d21154c 659
wolfSSL 0:d92f9d21154c 660 for (i = 0; i < 8; i++)
wolfSSL 0:d92f9d21154c 661 dkey3[i] = ((dkey3[i] & 0xFE) | parityLookup[dkey3[i] >> 1]);
wolfSSL 0:d92f9d21154c 662
wolfSSL 0:d92f9d21154c 663 return ret;
wolfSSL 0:d92f9d21154c 664 }
wolfSSL 0:d92f9d21154c 665
wolfSSL 0:d92f9d21154c 666 int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 667 {
wolfSSL 0:d92f9d21154c 668 int i;
wolfSSL 0:d92f9d21154c 669 int offset = 0;
wolfSSL 0:d92f9d21154c 670 int len = sz;
wolfSSL 0:d92f9d21154c 671 byte *iv;
wolfSSL 0:d92f9d21154c 672 byte temp_block[DES_BLOCK_SIZE];
wolfSSL 0:d92f9d21154c 673
wolfSSL 0:d92f9d21154c 674 iv = (byte*)des->reg;
wolfSSL 0:d92f9d21154c 675
wolfSSL 0:d92f9d21154c 676 if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
wolfSSL 0:d92f9d21154c 677 WOLFSSL_MSG("Bad cau_des_encrypt alignment");
wolfSSL 0:d92f9d21154c 678 return BAD_ALIGN_E;
wolfSSL 0:d92f9d21154c 679 }
wolfSSL 0:d92f9d21154c 680
wolfSSL 0:d92f9d21154c 681 while (len > 0)
wolfSSL 0:d92f9d21154c 682 {
wolfSSL 0:d92f9d21154c 683 XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 684
wolfSSL 0:d92f9d21154c 685 /* XOR block with IV for CBC */
wolfSSL 0:d92f9d21154c 686 for (i = 0; i < DES_BLOCK_SIZE; i++)
wolfSSL 0:d92f9d21154c 687 temp_block[i] ^= iv[i];
wolfSSL 0:d92f9d21154c 688
wolfSSL 0:d92f9d21154c 689 cau_des_encrypt(temp_block, (byte*)des->key, out + offset);
wolfSSL 0:d92f9d21154c 690
wolfSSL 0:d92f9d21154c 691 len -= DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 692 offset += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 693
wolfSSL 0:d92f9d21154c 694 /* store IV for next block */
wolfSSL 0:d92f9d21154c 695 XMEMCPY(iv, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 696 }
wolfSSL 0:d92f9d21154c 697
wolfSSL 0:d92f9d21154c 698 return 0;
wolfSSL 0:d92f9d21154c 699 }
wolfSSL 0:d92f9d21154c 700
wolfSSL 0:d92f9d21154c 701 int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 702 {
wolfSSL 0:d92f9d21154c 703 int i;
wolfSSL 0:d92f9d21154c 704 int offset = 0;
wolfSSL 0:d92f9d21154c 705 int len = sz;
wolfSSL 0:d92f9d21154c 706 byte* iv;
wolfSSL 0:d92f9d21154c 707 byte temp_block[DES_BLOCK_SIZE];
wolfSSL 0:d92f9d21154c 708
wolfSSL 0:d92f9d21154c 709 iv = (byte*)des->reg;
wolfSSL 0:d92f9d21154c 710
wolfSSL 0:d92f9d21154c 711 if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
wolfSSL 0:d92f9d21154c 712 WOLFSSL_MSG("Bad cau_des_decrypt alignment");
wolfSSL 0:d92f9d21154c 713 return BAD_ALIGN_E;
wolfSSL 0:d92f9d21154c 714 }
wolfSSL 0:d92f9d21154c 715
wolfSSL 0:d92f9d21154c 716 while (len > 0)
wolfSSL 0:d92f9d21154c 717 {
wolfSSL 0:d92f9d21154c 718 XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 719
wolfSSL 0:d92f9d21154c 720 cau_des_decrypt(in + offset, (byte*)des->key, out + offset);
wolfSSL 0:d92f9d21154c 721
wolfSSL 0:d92f9d21154c 722 /* XOR block with IV for CBC */
wolfSSL 0:d92f9d21154c 723 for (i = 0; i < DES_BLOCK_SIZE; i++)
wolfSSL 0:d92f9d21154c 724 (out + offset)[i] ^= iv[i];
wolfSSL 0:d92f9d21154c 725
wolfSSL 0:d92f9d21154c 726 /* store IV for next block */
wolfSSL 0:d92f9d21154c 727 XMEMCPY(iv, temp_block, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 728
wolfSSL 0:d92f9d21154c 729 len -= DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 730 offset += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 731 }
wolfSSL 0:d92f9d21154c 732
wolfSSL 0:d92f9d21154c 733 return 0;
wolfSSL 0:d92f9d21154c 734 }
wolfSSL 0:d92f9d21154c 735
wolfSSL 0:d92f9d21154c 736 int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 737 {
wolfSSL 0:d92f9d21154c 738 int i;
wolfSSL 0:d92f9d21154c 739 int offset = 0;
wolfSSL 0:d92f9d21154c 740 int len = sz;
wolfSSL 0:d92f9d21154c 741
wolfSSL 0:d92f9d21154c 742 byte *iv;
wolfSSL 0:d92f9d21154c 743 byte temp_block[DES_BLOCK_SIZE];
wolfSSL 0:d92f9d21154c 744
wolfSSL 0:d92f9d21154c 745 iv = (byte*)des->reg;
wolfSSL 0:d92f9d21154c 746
wolfSSL 0:d92f9d21154c 747 if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
wolfSSL 0:d92f9d21154c 748 WOLFSSL_MSG("Bad 3ede cau_des_encrypt alignment");
wolfSSL 0:d92f9d21154c 749 return BAD_ALIGN_E;
wolfSSL 0:d92f9d21154c 750 }
wolfSSL 0:d92f9d21154c 751
wolfSSL 0:d92f9d21154c 752 while (len > 0)
wolfSSL 0:d92f9d21154c 753 {
wolfSSL 0:d92f9d21154c 754 XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 755
wolfSSL 0:d92f9d21154c 756 /* XOR block with IV for CBC */
wolfSSL 0:d92f9d21154c 757 for (i = 0; i < DES_BLOCK_SIZE; i++)
wolfSSL 0:d92f9d21154c 758 temp_block[i] ^= iv[i];
wolfSSL 0:d92f9d21154c 759
wolfSSL 0:d92f9d21154c 760 cau_des_encrypt(temp_block , (byte*)des->key[0], out + offset);
wolfSSL 0:d92f9d21154c 761 cau_des_decrypt(out + offset, (byte*)des->key[1], out + offset);
wolfSSL 0:d92f9d21154c 762 cau_des_encrypt(out + offset, (byte*)des->key[2], out + offset);
wolfSSL 0:d92f9d21154c 763
wolfSSL 0:d92f9d21154c 764 len -= DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 765 offset += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 766
wolfSSL 0:d92f9d21154c 767 /* store IV for next block */
wolfSSL 0:d92f9d21154c 768 XMEMCPY(iv, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 769 }
wolfSSL 0:d92f9d21154c 770
wolfSSL 0:d92f9d21154c 771 return 0;
wolfSSL 0:d92f9d21154c 772 }
wolfSSL 0:d92f9d21154c 773
wolfSSL 0:d92f9d21154c 774 int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 775 {
wolfSSL 0:d92f9d21154c 776 int i;
wolfSSL 0:d92f9d21154c 777 int offset = 0;
wolfSSL 0:d92f9d21154c 778 int len = sz;
wolfSSL 0:d92f9d21154c 779
wolfSSL 0:d92f9d21154c 780 byte* iv;
wolfSSL 0:d92f9d21154c 781 byte temp_block[DES_BLOCK_SIZE];
wolfSSL 0:d92f9d21154c 782
wolfSSL 0:d92f9d21154c 783 iv = (byte*)des->reg;
wolfSSL 0:d92f9d21154c 784
wolfSSL 0:d92f9d21154c 785 if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
wolfSSL 0:d92f9d21154c 786 WOLFSSL_MSG("Bad 3ede cau_des_decrypt alignment");
wolfSSL 0:d92f9d21154c 787 return BAD_ALIGN_E;
wolfSSL 0:d92f9d21154c 788 }
wolfSSL 0:d92f9d21154c 789
wolfSSL 0:d92f9d21154c 790 while (len > 0)
wolfSSL 0:d92f9d21154c 791 {
wolfSSL 0:d92f9d21154c 792 XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 793
wolfSSL 0:d92f9d21154c 794 cau_des_decrypt(in + offset , (byte*)des->key[2], out + offset);
wolfSSL 0:d92f9d21154c 795 cau_des_encrypt(out + offset, (byte*)des->key[1], out + offset);
wolfSSL 0:d92f9d21154c 796 cau_des_decrypt(out + offset, (byte*)des->key[0], out + offset);
wolfSSL 0:d92f9d21154c 797
wolfSSL 0:d92f9d21154c 798 /* XOR block with IV for CBC */
wolfSSL 0:d92f9d21154c 799 for (i = 0; i < DES_BLOCK_SIZE; i++)
wolfSSL 0:d92f9d21154c 800 (out + offset)[i] ^= iv[i];
wolfSSL 0:d92f9d21154c 801
wolfSSL 0:d92f9d21154c 802 /* store IV for next block */
wolfSSL 0:d92f9d21154c 803 XMEMCPY(iv, temp_block, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 804
wolfSSL 0:d92f9d21154c 805 len -= DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 806 offset += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 807 }
wolfSSL 0:d92f9d21154c 808
wolfSSL 0:d92f9d21154c 809 return 0;
wolfSSL 0:d92f9d21154c 810 }
wolfSSL 0:d92f9d21154c 811
wolfSSL 0:d92f9d21154c 812
wolfSSL 0:d92f9d21154c 813 #elif defined(WOLFSSL_PIC32MZ_CRYPT)
wolfSSL 0:d92f9d21154c 814
wolfSSL 0:d92f9d21154c 815 #include "wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h"
wolfSSL 0:d92f9d21154c 816
wolfSSL 0:d92f9d21154c 817 void wc_Des_SetIV(Des* des, const byte* iv);
wolfSSL 0:d92f9d21154c 818 int wc_Des3_SetIV(Des3* des, const byte* iv);
wolfSSL 0:d92f9d21154c 819
wolfSSL 0:d92f9d21154c 820 int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 821 {
wolfSSL 0:d92f9d21154c 822 word32 *dkey = des->key ;
wolfSSL 0:d92f9d21154c 823 word32 *dreg = des->reg ;
wolfSSL 0:d92f9d21154c 824
wolfSSL 0:d92f9d21154c 825 XMEMCPY((byte *)dkey, (byte *)key, 8);
wolfSSL 0:d92f9d21154c 826 ByteReverseWords(dkey, dkey, 8);
wolfSSL 0:d92f9d21154c 827 XMEMCPY((byte *)dreg, (byte *)iv, 8);
wolfSSL 0:d92f9d21154c 828 ByteReverseWords(dreg, dreg, 8);
wolfSSL 0:d92f9d21154c 829
wolfSSL 0:d92f9d21154c 830 return 0;
wolfSSL 0:d92f9d21154c 831 }
wolfSSL 0:d92f9d21154c 832
wolfSSL 0:d92f9d21154c 833 int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 834 {
wolfSSL 0:d92f9d21154c 835 word32 *dkey1 = des->key[0];
wolfSSL 0:d92f9d21154c 836 word32 *dreg = des->reg ;
wolfSSL 0:d92f9d21154c 837
wolfSSL 0:d92f9d21154c 838 XMEMCPY(dkey1, key, 24);
wolfSSL 0:d92f9d21154c 839 ByteReverseWords(dkey1, dkey1, 24);
wolfSSL 0:d92f9d21154c 840 XMEMCPY(dreg, iv, 8);
wolfSSL 0:d92f9d21154c 841 ByteReverseWords(dreg, dreg, 8) ;
wolfSSL 0:d92f9d21154c 842
wolfSSL 0:d92f9d21154c 843 return 0;
wolfSSL 0:d92f9d21154c 844 }
wolfSSL 0:d92f9d21154c 845
wolfSSL 0:d92f9d21154c 846 void DesCrypt(word32 *key, word32 *iv, byte* out, const byte* in, word32 sz,
wolfSSL 0:d92f9d21154c 847 int dir, int algo, int cryptoalgo)
wolfSSL 0:d92f9d21154c 848 {
wolfSSL 0:d92f9d21154c 849 securityAssociation *sa_p ;
wolfSSL 0:d92f9d21154c 850 bufferDescriptor *bd_p ;
wolfSSL 0:d92f9d21154c 851 const byte *in_p, *in_l ;
wolfSSL 0:d92f9d21154c 852 byte *out_p, *out_l ;
wolfSSL 0:d92f9d21154c 853 volatile securityAssociation sa __attribute__((aligned (8)));
wolfSSL 0:d92f9d21154c 854 volatile bufferDescriptor bd __attribute__((aligned (8)));
wolfSSL 0:d92f9d21154c 855 volatile int k ;
wolfSSL 0:d92f9d21154c 856
wolfSSL 0:d92f9d21154c 857 /* get uncached address */
wolfSSL 0:d92f9d21154c 858
wolfSSL 0:d92f9d21154c 859 in_l = in;
wolfSSL 0:d92f9d21154c 860 out_l = out ;
wolfSSL 0:d92f9d21154c 861 sa_p = KVA0_TO_KVA1(&sa) ;
wolfSSL 0:d92f9d21154c 862 bd_p = KVA0_TO_KVA1(&bd) ;
wolfSSL 0:d92f9d21154c 863 in_p = KVA0_TO_KVA1(in_l) ;
wolfSSL 0:d92f9d21154c 864 out_p= KVA0_TO_KVA1(out_l);
wolfSSL 0:d92f9d21154c 865
wolfSSL 0:d92f9d21154c 866 if(PIC32MZ_IF_RAM(in_p))
wolfSSL 0:d92f9d21154c 867 XMEMCPY((void *)in_p, (void *)in, sz);
wolfSSL 0:d92f9d21154c 868 XMEMSET((void *)out_p, 0, sz);
wolfSSL 0:d92f9d21154c 869
wolfSSL 0:d92f9d21154c 870 /* Set up the Security Association */
wolfSSL 0:d92f9d21154c 871 XMEMSET((byte *)KVA0_TO_KVA1(&sa), 0, sizeof(sa));
wolfSSL 0:d92f9d21154c 872 sa_p->SA_CTRL.ALGO = algo ;
wolfSSL 0:d92f9d21154c 873 sa_p->SA_CTRL.LNC = 1;
wolfSSL 0:d92f9d21154c 874 sa_p->SA_CTRL.LOADIV = 1;
wolfSSL 0:d92f9d21154c 875 sa_p->SA_CTRL.FB = 1;
wolfSSL 0:d92f9d21154c 876 sa_p->SA_CTRL.ENCTYPE = dir ; /* Encryption/Decryption */
wolfSSL 0:d92f9d21154c 877 sa_p->SA_CTRL.CRYPTOALGO = cryptoalgo;
wolfSSL 0:d92f9d21154c 878 sa_p->SA_CTRL.KEYSIZE = 1 ; /* KEY is 192 bits */
wolfSSL 0:d92f9d21154c 879 XMEMCPY((byte *)KVA0_TO_KVA1(&sa.SA_ENCKEY[algo==PIC32_ALGO_TDES ? 2 : 6]),
wolfSSL 0:d92f9d21154c 880 (byte *)key, algo==PIC32_ALGO_TDES ? 24 : 8);
wolfSSL 0:d92f9d21154c 881 XMEMCPY((byte *)KVA0_TO_KVA1(&sa.SA_ENCIV[2]), (byte *)iv, 8);
wolfSSL 0:d92f9d21154c 882
wolfSSL 0:d92f9d21154c 883 XMEMSET((byte *)KVA0_TO_KVA1(&bd), 0, sizeof(bd));
wolfSSL 0:d92f9d21154c 884 /* Set up the Buffer Descriptor */
wolfSSL 0:d92f9d21154c 885 bd_p->BD_CTRL.BUFLEN = sz;
wolfSSL 0:d92f9d21154c 886 bd_p->BD_CTRL.LIFM = 1;
wolfSSL 0:d92f9d21154c 887 bd_p->BD_CTRL.SA_FETCH_EN = 1;
wolfSSL 0:d92f9d21154c 888 bd_p->BD_CTRL.LAST_BD = 1;
wolfSSL 0:d92f9d21154c 889 bd_p->BD_CTRL.DESC_EN = 1;
wolfSSL 0:d92f9d21154c 890
wolfSSL 0:d92f9d21154c 891 bd_p->SA_ADDR = (unsigned int)KVA_TO_PA(&sa) ; /* (unsigned int)sa_p; */
wolfSSL 0:d92f9d21154c 892 bd_p->SRCADDR = (unsigned int)KVA_TO_PA(in) ; /* (unsigned int)in_p; */
wolfSSL 0:d92f9d21154c 893 bd_p->DSTADDR = (unsigned int)KVA_TO_PA(out); /* (unsigned int)out_p; */
wolfSSL 0:d92f9d21154c 894 bd_p->NXTPTR = (unsigned int)KVA_TO_PA(&bd);
wolfSSL 0:d92f9d21154c 895 bd_p->MSGLEN = sz ;
wolfSSL 0:d92f9d21154c 896
wolfSSL 0:d92f9d21154c 897 /* Fire in the hole! */
wolfSSL 0:d92f9d21154c 898 CECON = 1 << 6;
wolfSSL 0:d92f9d21154c 899 while (CECON);
wolfSSL 0:d92f9d21154c 900
wolfSSL 0:d92f9d21154c 901 /* Run the engine */
wolfSSL 0:d92f9d21154c 902 CEBDPADDR = (unsigned int)KVA_TO_PA(&bd) ; /* (unsigned int)bd_p ; */
wolfSSL 0:d92f9d21154c 903 CEINTEN = 0x07;
wolfSSL 0:d92f9d21154c 904 CECON = 0x27;
wolfSSL 0:d92f9d21154c 905
wolfSSL 0:d92f9d21154c 906 WAIT_ENGINE ;
wolfSSL 0:d92f9d21154c 907
wolfSSL 0:d92f9d21154c 908 if((cryptoalgo == PIC32_CRYPTOALGO_CBC) ||
wolfSSL 0:d92f9d21154c 909 (cryptoalgo == PIC32_CRYPTOALGO_TCBC)||
wolfSSL 0:d92f9d21154c 910 (cryptoalgo == PIC32_CRYPTOALGO_RCBC)) {
wolfSSL 0:d92f9d21154c 911 /* set iv for the next call */
wolfSSL 0:d92f9d21154c 912 if(dir == PIC32_ENCRYPTION) {
wolfSSL 0:d92f9d21154c 913 XMEMCPY((void *)iv, (void*)&(out_p[sz-DES_IVLEN]), DES_IVLEN) ;
wolfSSL 0:d92f9d21154c 914 } else {
wolfSSL 0:d92f9d21154c 915 ByteReverseWords((word32*)iv, (word32 *)&(in_p[sz-DES_IVLEN]),
wolfSSL 0:d92f9d21154c 916 DES_IVLEN);
wolfSSL 0:d92f9d21154c 917 }
wolfSSL 0:d92f9d21154c 918
wolfSSL 0:d92f9d21154c 919 }
wolfSSL 0:d92f9d21154c 920
wolfSSL 0:d92f9d21154c 921 ByteReverseWords((word32*)out, (word32 *)KVA0_TO_KVA1(out), sz);
wolfSSL 0:d92f9d21154c 922 }
wolfSSL 0:d92f9d21154c 923
wolfSSL 0:d92f9d21154c 924 int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 925 {
wolfSSL 0:d92f9d21154c 926 DesCrypt(des->key, des->reg, out, in, sz,
wolfSSL 0:d92f9d21154c 927 PIC32_ENCRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_CBC );
wolfSSL 0:d92f9d21154c 928 return 0;
wolfSSL 0:d92f9d21154c 929 }
wolfSSL 0:d92f9d21154c 930
wolfSSL 0:d92f9d21154c 931 int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 932 {
wolfSSL 0:d92f9d21154c 933 DesCrypt(des->key, des->reg, out, in, sz,
wolfSSL 0:d92f9d21154c 934 PIC32_DECRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_CBC);
wolfSSL 0:d92f9d21154c 935 return 0;
wolfSSL 0:d92f9d21154c 936 }
wolfSSL 0:d92f9d21154c 937
wolfSSL 0:d92f9d21154c 938 int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 939 {
wolfSSL 0:d92f9d21154c 940 DesCrypt(des->key[0], des->reg, out, in, sz,
wolfSSL 0:d92f9d21154c 941 PIC32_ENCRYPTION, PIC32_ALGO_TDES, PIC32_CRYPTOALGO_TCBC);
wolfSSL 0:d92f9d21154c 942 return 0;
wolfSSL 0:d92f9d21154c 943 }
wolfSSL 0:d92f9d21154c 944
wolfSSL 0:d92f9d21154c 945 int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 946 {
wolfSSL 0:d92f9d21154c 947 DesCrypt(des->key[0], des->reg, out, in, sz,
wolfSSL 0:d92f9d21154c 948 PIC32_DECRYPTION, PIC32_ALGO_TDES, PIC32_CRYPTOALGO_TCBC);
wolfSSL 0:d92f9d21154c 949 return 0;
wolfSSL 0:d92f9d21154c 950 }
wolfSSL 0:d92f9d21154c 951
wolfSSL 0:d92f9d21154c 952 #else /* CTaoCrypt software implementation */
wolfSSL 0:d92f9d21154c 953
wolfSSL 0:d92f9d21154c 954 /* permuted choice table (key) */
wolfSSL 0:d92f9d21154c 955 static const byte pc1[] = {
wolfSSL 0:d92f9d21154c 956 57, 49, 41, 33, 25, 17, 9,
wolfSSL 0:d92f9d21154c 957 1, 58, 50, 42, 34, 26, 18,
wolfSSL 0:d92f9d21154c 958 10, 2, 59, 51, 43, 35, 27,
wolfSSL 0:d92f9d21154c 959 19, 11, 3, 60, 52, 44, 36,
wolfSSL 0:d92f9d21154c 960
wolfSSL 0:d92f9d21154c 961 63, 55, 47, 39, 31, 23, 15,
wolfSSL 0:d92f9d21154c 962 7, 62, 54, 46, 38, 30, 22,
wolfSSL 0:d92f9d21154c 963 14, 6, 61, 53, 45, 37, 29,
wolfSSL 0:d92f9d21154c 964 21, 13, 5, 28, 20, 12, 4
wolfSSL 0:d92f9d21154c 965 };
wolfSSL 0:d92f9d21154c 966
wolfSSL 0:d92f9d21154c 967 /* number left rotations of pc1 */
wolfSSL 0:d92f9d21154c 968 static const byte totrot[] = {
wolfSSL 0:d92f9d21154c 969 1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28
wolfSSL 0:d92f9d21154c 970 };
wolfSSL 0:d92f9d21154c 971
wolfSSL 0:d92f9d21154c 972 /* permuted choice key (table) */
wolfSSL 0:d92f9d21154c 973 static const byte pc2[] = {
wolfSSL 0:d92f9d21154c 974 14, 17, 11, 24, 1, 5,
wolfSSL 0:d92f9d21154c 975 3, 28, 15, 6, 21, 10,
wolfSSL 0:d92f9d21154c 976 23, 19, 12, 4, 26, 8,
wolfSSL 0:d92f9d21154c 977 16, 7, 27, 20, 13, 2,
wolfSSL 0:d92f9d21154c 978 41, 52, 31, 37, 47, 55,
wolfSSL 0:d92f9d21154c 979 30, 40, 51, 45, 33, 48,
wolfSSL 0:d92f9d21154c 980 44, 49, 39, 56, 34, 53,
wolfSSL 0:d92f9d21154c 981 46, 42, 50, 36, 29, 32
wolfSSL 0:d92f9d21154c 982 };
wolfSSL 0:d92f9d21154c 983
wolfSSL 0:d92f9d21154c 984 /* End of DES-defined tables */
wolfSSL 0:d92f9d21154c 985
wolfSSL 0:d92f9d21154c 986 /* bit 0 is left-most in byte */
wolfSSL 0:d92f9d21154c 987 static const int bytebit[] = {
wolfSSL 0:d92f9d21154c 988 0200,0100,040,020,010,04,02,01
wolfSSL 0:d92f9d21154c 989 };
wolfSSL 0:d92f9d21154c 990
wolfSSL 0:d92f9d21154c 991 static const word32 Spbox[8][64] = {
wolfSSL 0:d92f9d21154c 992 {
wolfSSL 0:d92f9d21154c 993 0x01010400,0x00000000,0x00010000,0x01010404,
wolfSSL 0:d92f9d21154c 994 0x01010004,0x00010404,0x00000004,0x00010000,
wolfSSL 0:d92f9d21154c 995 0x00000400,0x01010400,0x01010404,0x00000400,
wolfSSL 0:d92f9d21154c 996 0x01000404,0x01010004,0x01000000,0x00000004,
wolfSSL 0:d92f9d21154c 997 0x00000404,0x01000400,0x01000400,0x00010400,
wolfSSL 0:d92f9d21154c 998 0x00010400,0x01010000,0x01010000,0x01000404,
wolfSSL 0:d92f9d21154c 999 0x00010004,0x01000004,0x01000004,0x00010004,
wolfSSL 0:d92f9d21154c 1000 0x00000000,0x00000404,0x00010404,0x01000000,
wolfSSL 0:d92f9d21154c 1001 0x00010000,0x01010404,0x00000004,0x01010000,
wolfSSL 0:d92f9d21154c 1002 0x01010400,0x01000000,0x01000000,0x00000400,
wolfSSL 0:d92f9d21154c 1003 0x01010004,0x00010000,0x00010400,0x01000004,
wolfSSL 0:d92f9d21154c 1004 0x00000400,0x00000004,0x01000404,0x00010404,
wolfSSL 0:d92f9d21154c 1005 0x01010404,0x00010004,0x01010000,0x01000404,
wolfSSL 0:d92f9d21154c 1006 0x01000004,0x00000404,0x00010404,0x01010400,
wolfSSL 0:d92f9d21154c 1007 0x00000404,0x01000400,0x01000400,0x00000000,
wolfSSL 0:d92f9d21154c 1008 0x00010004,0x00010400,0x00000000,0x01010004},
wolfSSL 0:d92f9d21154c 1009 {
wolfSSL 0:d92f9d21154c 1010 0x80108020,0x80008000,0x00008000,0x00108020,
wolfSSL 0:d92f9d21154c 1011 0x00100000,0x00000020,0x80100020,0x80008020,
wolfSSL 0:d92f9d21154c 1012 0x80000020,0x80108020,0x80108000,0x80000000,
wolfSSL 0:d92f9d21154c 1013 0x80008000,0x00100000,0x00000020,0x80100020,
wolfSSL 0:d92f9d21154c 1014 0x00108000,0x00100020,0x80008020,0x00000000,
wolfSSL 0:d92f9d21154c 1015 0x80000000,0x00008000,0x00108020,0x80100000,
wolfSSL 0:d92f9d21154c 1016 0x00100020,0x80000020,0x00000000,0x00108000,
wolfSSL 0:d92f9d21154c 1017 0x00008020,0x80108000,0x80100000,0x00008020,
wolfSSL 0:d92f9d21154c 1018 0x00000000,0x00108020,0x80100020,0x00100000,
wolfSSL 0:d92f9d21154c 1019 0x80008020,0x80100000,0x80108000,0x00008000,
wolfSSL 0:d92f9d21154c 1020 0x80100000,0x80008000,0x00000020,0x80108020,
wolfSSL 0:d92f9d21154c 1021 0x00108020,0x00000020,0x00008000,0x80000000,
wolfSSL 0:d92f9d21154c 1022 0x00008020,0x80108000,0x00100000,0x80000020,
wolfSSL 0:d92f9d21154c 1023 0x00100020,0x80008020,0x80000020,0x00100020,
wolfSSL 0:d92f9d21154c 1024 0x00108000,0x00000000,0x80008000,0x00008020,
wolfSSL 0:d92f9d21154c 1025 0x80000000,0x80100020,0x80108020,0x00108000},
wolfSSL 0:d92f9d21154c 1026 {
wolfSSL 0:d92f9d21154c 1027 0x00000208,0x08020200,0x00000000,0x08020008,
wolfSSL 0:d92f9d21154c 1028 0x08000200,0x00000000,0x00020208,0x08000200,
wolfSSL 0:d92f9d21154c 1029 0x00020008,0x08000008,0x08000008,0x00020000,
wolfSSL 0:d92f9d21154c 1030 0x08020208,0x00020008,0x08020000,0x00000208,
wolfSSL 0:d92f9d21154c 1031 0x08000000,0x00000008,0x08020200,0x00000200,
wolfSSL 0:d92f9d21154c 1032 0x00020200,0x08020000,0x08020008,0x00020208,
wolfSSL 0:d92f9d21154c 1033 0x08000208,0x00020200,0x00020000,0x08000208,
wolfSSL 0:d92f9d21154c 1034 0x00000008,0x08020208,0x00000200,0x08000000,
wolfSSL 0:d92f9d21154c 1035 0x08020200,0x08000000,0x00020008,0x00000208,
wolfSSL 0:d92f9d21154c 1036 0x00020000,0x08020200,0x08000200,0x00000000,
wolfSSL 0:d92f9d21154c 1037 0x00000200,0x00020008,0x08020208,0x08000200,
wolfSSL 0:d92f9d21154c 1038 0x08000008,0x00000200,0x00000000,0x08020008,
wolfSSL 0:d92f9d21154c 1039 0x08000208,0x00020000,0x08000000,0x08020208,
wolfSSL 0:d92f9d21154c 1040 0x00000008,0x00020208,0x00020200,0x08000008,
wolfSSL 0:d92f9d21154c 1041 0x08020000,0x08000208,0x00000208,0x08020000,
wolfSSL 0:d92f9d21154c 1042 0x00020208,0x00000008,0x08020008,0x00020200},
wolfSSL 0:d92f9d21154c 1043 {
wolfSSL 0:d92f9d21154c 1044 0x00802001,0x00002081,0x00002081,0x00000080,
wolfSSL 0:d92f9d21154c 1045 0x00802080,0x00800081,0x00800001,0x00002001,
wolfSSL 0:d92f9d21154c 1046 0x00000000,0x00802000,0x00802000,0x00802081,
wolfSSL 0:d92f9d21154c 1047 0x00000081,0x00000000,0x00800080,0x00800001,
wolfSSL 0:d92f9d21154c 1048 0x00000001,0x00002000,0x00800000,0x00802001,
wolfSSL 0:d92f9d21154c 1049 0x00000080,0x00800000,0x00002001,0x00002080,
wolfSSL 0:d92f9d21154c 1050 0x00800081,0x00000001,0x00002080,0x00800080,
wolfSSL 0:d92f9d21154c 1051 0x00002000,0x00802080,0x00802081,0x00000081,
wolfSSL 0:d92f9d21154c 1052 0x00800080,0x00800001,0x00802000,0x00802081,
wolfSSL 0:d92f9d21154c 1053 0x00000081,0x00000000,0x00000000,0x00802000,
wolfSSL 0:d92f9d21154c 1054 0x00002080,0x00800080,0x00800081,0x00000001,
wolfSSL 0:d92f9d21154c 1055 0x00802001,0x00002081,0x00002081,0x00000080,
wolfSSL 0:d92f9d21154c 1056 0x00802081,0x00000081,0x00000001,0x00002000,
wolfSSL 0:d92f9d21154c 1057 0x00800001,0x00002001,0x00802080,0x00800081,
wolfSSL 0:d92f9d21154c 1058 0x00002001,0x00002080,0x00800000,0x00802001,
wolfSSL 0:d92f9d21154c 1059 0x00000080,0x00800000,0x00002000,0x00802080},
wolfSSL 0:d92f9d21154c 1060 {
wolfSSL 0:d92f9d21154c 1061 0x00000100,0x02080100,0x02080000,0x42000100,
wolfSSL 0:d92f9d21154c 1062 0x00080000,0x00000100,0x40000000,0x02080000,
wolfSSL 0:d92f9d21154c 1063 0x40080100,0x00080000,0x02000100,0x40080100,
wolfSSL 0:d92f9d21154c 1064 0x42000100,0x42080000,0x00080100,0x40000000,
wolfSSL 0:d92f9d21154c 1065 0x02000000,0x40080000,0x40080000,0x00000000,
wolfSSL 0:d92f9d21154c 1066 0x40000100,0x42080100,0x42080100,0x02000100,
wolfSSL 0:d92f9d21154c 1067 0x42080000,0x40000100,0x00000000,0x42000000,
wolfSSL 0:d92f9d21154c 1068 0x02080100,0x02000000,0x42000000,0x00080100,
wolfSSL 0:d92f9d21154c 1069 0x00080000,0x42000100,0x00000100,0x02000000,
wolfSSL 0:d92f9d21154c 1070 0x40000000,0x02080000,0x42000100,0x40080100,
wolfSSL 0:d92f9d21154c 1071 0x02000100,0x40000000,0x42080000,0x02080100,
wolfSSL 0:d92f9d21154c 1072 0x40080100,0x00000100,0x02000000,0x42080000,
wolfSSL 0:d92f9d21154c 1073 0x42080100,0x00080100,0x42000000,0x42080100,
wolfSSL 0:d92f9d21154c 1074 0x02080000,0x00000000,0x40080000,0x42000000,
wolfSSL 0:d92f9d21154c 1075 0x00080100,0x02000100,0x40000100,0x00080000,
wolfSSL 0:d92f9d21154c 1076 0x00000000,0x40080000,0x02080100,0x40000100},
wolfSSL 0:d92f9d21154c 1077 {
wolfSSL 0:d92f9d21154c 1078 0x20000010,0x20400000,0x00004000,0x20404010,
wolfSSL 0:d92f9d21154c 1079 0x20400000,0x00000010,0x20404010,0x00400000,
wolfSSL 0:d92f9d21154c 1080 0x20004000,0x00404010,0x00400000,0x20000010,
wolfSSL 0:d92f9d21154c 1081 0x00400010,0x20004000,0x20000000,0x00004010,
wolfSSL 0:d92f9d21154c 1082 0x00000000,0x00400010,0x20004010,0x00004000,
wolfSSL 0:d92f9d21154c 1083 0x00404000,0x20004010,0x00000010,0x20400010,
wolfSSL 0:d92f9d21154c 1084 0x20400010,0x00000000,0x00404010,0x20404000,
wolfSSL 0:d92f9d21154c 1085 0x00004010,0x00404000,0x20404000,0x20000000,
wolfSSL 0:d92f9d21154c 1086 0x20004000,0x00000010,0x20400010,0x00404000,
wolfSSL 0:d92f9d21154c 1087 0x20404010,0x00400000,0x00004010,0x20000010,
wolfSSL 0:d92f9d21154c 1088 0x00400000,0x20004000,0x20000000,0x00004010,
wolfSSL 0:d92f9d21154c 1089 0x20000010,0x20404010,0x00404000,0x20400000,
wolfSSL 0:d92f9d21154c 1090 0x00404010,0x20404000,0x00000000,0x20400010,
wolfSSL 0:d92f9d21154c 1091 0x00000010,0x00004000,0x20400000,0x00404010,
wolfSSL 0:d92f9d21154c 1092 0x00004000,0x00400010,0x20004010,0x00000000,
wolfSSL 0:d92f9d21154c 1093 0x20404000,0x20000000,0x00400010,0x20004010},
wolfSSL 0:d92f9d21154c 1094 {
wolfSSL 0:d92f9d21154c 1095 0x00200000,0x04200002,0x04000802,0x00000000,
wolfSSL 0:d92f9d21154c 1096 0x00000800,0x04000802,0x00200802,0x04200800,
wolfSSL 0:d92f9d21154c 1097 0x04200802,0x00200000,0x00000000,0x04000002,
wolfSSL 0:d92f9d21154c 1098 0x00000002,0x04000000,0x04200002,0x00000802,
wolfSSL 0:d92f9d21154c 1099 0x04000800,0x00200802,0x00200002,0x04000800,
wolfSSL 0:d92f9d21154c 1100 0x04000002,0x04200000,0x04200800,0x00200002,
wolfSSL 0:d92f9d21154c 1101 0x04200000,0x00000800,0x00000802,0x04200802,
wolfSSL 0:d92f9d21154c 1102 0x00200800,0x00000002,0x04000000,0x00200800,
wolfSSL 0:d92f9d21154c 1103 0x04000000,0x00200800,0x00200000,0x04000802,
wolfSSL 0:d92f9d21154c 1104 0x04000802,0x04200002,0x04200002,0x00000002,
wolfSSL 0:d92f9d21154c 1105 0x00200002,0x04000000,0x04000800,0x00200000,
wolfSSL 0:d92f9d21154c 1106 0x04200800,0x00000802,0x00200802,0x04200800,
wolfSSL 0:d92f9d21154c 1107 0x00000802,0x04000002,0x04200802,0x04200000,
wolfSSL 0:d92f9d21154c 1108 0x00200800,0x00000000,0x00000002,0x04200802,
wolfSSL 0:d92f9d21154c 1109 0x00000000,0x00200802,0x04200000,0x00000800,
wolfSSL 0:d92f9d21154c 1110 0x04000002,0x04000800,0x00000800,0x00200002},
wolfSSL 0:d92f9d21154c 1111 {
wolfSSL 0:d92f9d21154c 1112 0x10001040,0x00001000,0x00040000,0x10041040,
wolfSSL 0:d92f9d21154c 1113 0x10000000,0x10001040,0x00000040,0x10000000,
wolfSSL 0:d92f9d21154c 1114 0x00040040,0x10040000,0x10041040,0x00041000,
wolfSSL 0:d92f9d21154c 1115 0x10041000,0x00041040,0x00001000,0x00000040,
wolfSSL 0:d92f9d21154c 1116 0x10040000,0x10000040,0x10001000,0x00001040,
wolfSSL 0:d92f9d21154c 1117 0x00041000,0x00040040,0x10040040,0x10041000,
wolfSSL 0:d92f9d21154c 1118 0x00001040,0x00000000,0x00000000,0x10040040,
wolfSSL 0:d92f9d21154c 1119 0x10000040,0x10001000,0x00041040,0x00040000,
wolfSSL 0:d92f9d21154c 1120 0x00041040,0x00040000,0x10041000,0x00001000,
wolfSSL 0:d92f9d21154c 1121 0x00000040,0x10040040,0x00001000,0x00041040,
wolfSSL 0:d92f9d21154c 1122 0x10001000,0x00000040,0x10000040,0x10040000,
wolfSSL 0:d92f9d21154c 1123 0x10040040,0x10000000,0x00040000,0x10001040,
wolfSSL 0:d92f9d21154c 1124 0x00000000,0x10041040,0x00040040,0x10000040,
wolfSSL 0:d92f9d21154c 1125 0x10040000,0x10001000,0x10001040,0x00000000,
wolfSSL 0:d92f9d21154c 1126 0x10041040,0x00041000,0x00041000,0x00001040,
wolfSSL 0:d92f9d21154c 1127 0x00001040,0x00040040,0x10000000,0x10041000}
wolfSSL 0:d92f9d21154c 1128 };
wolfSSL 0:d92f9d21154c 1129
wolfSSL 0:d92f9d21154c 1130
wolfSSL 0:d92f9d21154c 1131 static INLINE void IPERM(word32* left, word32* right)
wolfSSL 0:d92f9d21154c 1132 {
wolfSSL 0:d92f9d21154c 1133 word32 work;
wolfSSL 0:d92f9d21154c 1134
wolfSSL 0:d92f9d21154c 1135 *right = rotlFixed(*right, 4U);
wolfSSL 0:d92f9d21154c 1136 work = (*left ^ *right) & 0xf0f0f0f0;
wolfSSL 0:d92f9d21154c 1137 *left ^= work;
wolfSSL 0:d92f9d21154c 1138
wolfSSL 0:d92f9d21154c 1139 *right = rotrFixed(*right^work, 20U);
wolfSSL 0:d92f9d21154c 1140 work = (*left ^ *right) & 0xffff0000;
wolfSSL 0:d92f9d21154c 1141 *left ^= work;
wolfSSL 0:d92f9d21154c 1142
wolfSSL 0:d92f9d21154c 1143 *right = rotrFixed(*right^work, 18U);
wolfSSL 0:d92f9d21154c 1144 work = (*left ^ *right) & 0x33333333;
wolfSSL 0:d92f9d21154c 1145 *left ^= work;
wolfSSL 0:d92f9d21154c 1146
wolfSSL 0:d92f9d21154c 1147 *right = rotrFixed(*right^work, 6U);
wolfSSL 0:d92f9d21154c 1148 work = (*left ^ *right) & 0x00ff00ff;
wolfSSL 0:d92f9d21154c 1149 *left ^= work;
wolfSSL 0:d92f9d21154c 1150
wolfSSL 0:d92f9d21154c 1151 *right = rotlFixed(*right^work, 9U);
wolfSSL 0:d92f9d21154c 1152 work = (*left ^ *right) & 0xaaaaaaaa;
wolfSSL 0:d92f9d21154c 1153 *left = rotlFixed(*left^work, 1U);
wolfSSL 0:d92f9d21154c 1154 *right ^= work;
wolfSSL 0:d92f9d21154c 1155 }
wolfSSL 0:d92f9d21154c 1156
wolfSSL 0:d92f9d21154c 1157
wolfSSL 0:d92f9d21154c 1158 static INLINE void FPERM(word32* left, word32* right)
wolfSSL 0:d92f9d21154c 1159 {
wolfSSL 0:d92f9d21154c 1160 word32 work;
wolfSSL 0:d92f9d21154c 1161
wolfSSL 0:d92f9d21154c 1162 *right = rotrFixed(*right, 1U);
wolfSSL 0:d92f9d21154c 1163 work = (*left ^ *right) & 0xaaaaaaaa;
wolfSSL 0:d92f9d21154c 1164 *right ^= work;
wolfSSL 0:d92f9d21154c 1165
wolfSSL 0:d92f9d21154c 1166 *left = rotrFixed(*left^work, 9U);
wolfSSL 0:d92f9d21154c 1167 work = (*left ^ *right) & 0x00ff00ff;
wolfSSL 0:d92f9d21154c 1168 *right ^= work;
wolfSSL 0:d92f9d21154c 1169
wolfSSL 0:d92f9d21154c 1170 *left = rotlFixed(*left^work, 6U);
wolfSSL 0:d92f9d21154c 1171 work = (*left ^ *right) & 0x33333333;
wolfSSL 0:d92f9d21154c 1172 *right ^= work;
wolfSSL 0:d92f9d21154c 1173
wolfSSL 0:d92f9d21154c 1174 *left = rotlFixed(*left^work, 18U);
wolfSSL 0:d92f9d21154c 1175 work = (*left ^ *right) & 0xffff0000;
wolfSSL 0:d92f9d21154c 1176 *right ^= work;
wolfSSL 0:d92f9d21154c 1177
wolfSSL 0:d92f9d21154c 1178 *left = rotlFixed(*left^work, 20U);
wolfSSL 0:d92f9d21154c 1179 work = (*left ^ *right) & 0xf0f0f0f0;
wolfSSL 0:d92f9d21154c 1180 *right ^= work;
wolfSSL 0:d92f9d21154c 1181
wolfSSL 0:d92f9d21154c 1182 *left = rotrFixed(*left^work, 4U);
wolfSSL 0:d92f9d21154c 1183 }
wolfSSL 0:d92f9d21154c 1184
wolfSSL 0:d92f9d21154c 1185
wolfSSL 0:d92f9d21154c 1186 static int DesSetKey(const byte* key, int dir, word32* out)
wolfSSL 0:d92f9d21154c 1187 {
wolfSSL 0:d92f9d21154c 1188 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 0:d92f9d21154c 1189 byte* buffer = (byte*)XMALLOC(56+56+8, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 0:d92f9d21154c 1190
wolfSSL 0:d92f9d21154c 1191 if (buffer == NULL)
wolfSSL 0:d92f9d21154c 1192 return MEMORY_E;
wolfSSL 0:d92f9d21154c 1193 #else
wolfSSL 0:d92f9d21154c 1194 byte buffer[56+56+8];
wolfSSL 0:d92f9d21154c 1195 #endif
wolfSSL 0:d92f9d21154c 1196
wolfSSL 0:d92f9d21154c 1197 {
wolfSSL 0:d92f9d21154c 1198 byte* const pc1m = buffer; /* place to modify pc1 into */
wolfSSL 0:d92f9d21154c 1199 byte* const pcr = pc1m + 56; /* place to rotate pc1 into */
wolfSSL 0:d92f9d21154c 1200 byte* const ks = pcr + 56;
wolfSSL 0:d92f9d21154c 1201 register int i, j, l;
wolfSSL 0:d92f9d21154c 1202 int m;
wolfSSL 0:d92f9d21154c 1203
wolfSSL 0:d92f9d21154c 1204 for (j = 0; j < 56; j++) { /* convert pc1 to bits of key */
wolfSSL 0:d92f9d21154c 1205 l = pc1[j] - 1; /* integer bit location */
wolfSSL 0:d92f9d21154c 1206 m = l & 07; /* find bit */
wolfSSL 0:d92f9d21154c 1207 pc1m[j] = (key[l >> 3] & /* find which key byte l is in */
wolfSSL 0:d92f9d21154c 1208 bytebit[m]) /* and which bit of that byte */
wolfSSL 0:d92f9d21154c 1209 ? 1 : 0; /* and store 1-bit result */
wolfSSL 0:d92f9d21154c 1210 }
wolfSSL 0:d92f9d21154c 1211
wolfSSL 0:d92f9d21154c 1212 for (i = 0; i < 16; i++) { /* key chunk for each iteration */
wolfSSL 0:d92f9d21154c 1213 XMEMSET(ks, 0, 8); /* Clear key schedule */
wolfSSL 0:d92f9d21154c 1214
wolfSSL 0:d92f9d21154c 1215 for (j = 0; j < 56; j++) /* rotate pc1 the right amount */
wolfSSL 0:d92f9d21154c 1216 pcr[j] =
wolfSSL 0:d92f9d21154c 1217 pc1m[(l = j + totrot[i]) < (j < 28 ? 28 : 56) ? l : l-28];
wolfSSL 0:d92f9d21154c 1218
wolfSSL 0:d92f9d21154c 1219 /* rotate left and right halves independently */
wolfSSL 0:d92f9d21154c 1220 for (j = 0; j < 48; j++) { /* select bits individually */
wolfSSL 0:d92f9d21154c 1221 if (pcr[pc2[j] - 1]) { /* check bit that goes to ks[j] */
wolfSSL 0:d92f9d21154c 1222 l= j % 6; /* mask it in if it's there */
wolfSSL 0:d92f9d21154c 1223 ks[j/6] |= bytebit[l] >> 2;
wolfSSL 0:d92f9d21154c 1224 }
wolfSSL 0:d92f9d21154c 1225 }
wolfSSL 0:d92f9d21154c 1226
wolfSSL 0:d92f9d21154c 1227 /* Now convert to odd/even interleaved form for use in F */
wolfSSL 0:d92f9d21154c 1228 out[2*i] = ((word32) ks[0] << 24)
wolfSSL 0:d92f9d21154c 1229 | ((word32) ks[2] << 16)
wolfSSL 0:d92f9d21154c 1230 | ((word32) ks[4] << 8)
wolfSSL 0:d92f9d21154c 1231 | ((word32) ks[6]);
wolfSSL 0:d92f9d21154c 1232
wolfSSL 0:d92f9d21154c 1233 out[2*i + 1] = ((word32) ks[1] << 24)
wolfSSL 0:d92f9d21154c 1234 | ((word32) ks[3] << 16)
wolfSSL 0:d92f9d21154c 1235 | ((word32) ks[5] << 8)
wolfSSL 0:d92f9d21154c 1236 | ((word32) ks[7]);
wolfSSL 0:d92f9d21154c 1237 }
wolfSSL 0:d92f9d21154c 1238
wolfSSL 0:d92f9d21154c 1239 /* reverse key schedule order */
wolfSSL 0:d92f9d21154c 1240 if (dir == DES_DECRYPTION) {
wolfSSL 0:d92f9d21154c 1241 for (i = 0; i < 16; i += 2) {
wolfSSL 0:d92f9d21154c 1242 word32 swap = out[i];
wolfSSL 0:d92f9d21154c 1243 out[i] = out[DES_KS_SIZE - 2 - i];
wolfSSL 0:d92f9d21154c 1244 out[DES_KS_SIZE - 2 - i] = swap;
wolfSSL 0:d92f9d21154c 1245
wolfSSL 0:d92f9d21154c 1246 swap = out[i + 1];
wolfSSL 0:d92f9d21154c 1247 out[i + 1] = out[DES_KS_SIZE - 1 - i];
wolfSSL 0:d92f9d21154c 1248 out[DES_KS_SIZE - 1 - i] = swap;
wolfSSL 0:d92f9d21154c 1249 }
wolfSSL 0:d92f9d21154c 1250 }
wolfSSL 0:d92f9d21154c 1251
wolfSSL 0:d92f9d21154c 1252 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 0:d92f9d21154c 1253 XFREE(buffer, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 0:d92f9d21154c 1254 #endif
wolfSSL 0:d92f9d21154c 1255 }
wolfSSL 0:d92f9d21154c 1256
wolfSSL 0:d92f9d21154c 1257 return 0;
wolfSSL 0:d92f9d21154c 1258 }
wolfSSL 0:d92f9d21154c 1259
wolfSSL 0:d92f9d21154c 1260
wolfSSL 0:d92f9d21154c 1261 static INLINE int Reverse(int dir)
wolfSSL 0:d92f9d21154c 1262 {
wolfSSL 0:d92f9d21154c 1263 return !dir;
wolfSSL 0:d92f9d21154c 1264 }
wolfSSL 0:d92f9d21154c 1265
wolfSSL 0:d92f9d21154c 1266
wolfSSL 0:d92f9d21154c 1267 int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 1268 {
wolfSSL 0:d92f9d21154c 1269 wc_Des_SetIV(des, iv);
wolfSSL 0:d92f9d21154c 1270
wolfSSL 0:d92f9d21154c 1271 return DesSetKey(key, dir, des->key);
wolfSSL 0:d92f9d21154c 1272 }
wolfSSL 0:d92f9d21154c 1273
wolfSSL 0:d92f9d21154c 1274
wolfSSL 0:d92f9d21154c 1275 int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
wolfSSL 0:d92f9d21154c 1276 {
wolfSSL 0:d92f9d21154c 1277 int ret;
wolfSSL 0:d92f9d21154c 1278
wolfSSL 0:d92f9d21154c 1279 #ifdef HAVE_CAVIUM
wolfSSL 0:d92f9d21154c 1280 if (des->magic == WOLFSSL_3DES_CAVIUM_MAGIC)
wolfSSL 0:d92f9d21154c 1281 return wc_Des3_CaviumSetKey(des, key, iv);
wolfSSL 0:d92f9d21154c 1282 #endif
wolfSSL 0:d92f9d21154c 1283
wolfSSL 0:d92f9d21154c 1284 ret = DesSetKey(key + (dir == DES_ENCRYPTION ? 0:16), dir, des->key[0]);
wolfSSL 0:d92f9d21154c 1285 if (ret != 0)
wolfSSL 0:d92f9d21154c 1286 return ret;
wolfSSL 0:d92f9d21154c 1287
wolfSSL 0:d92f9d21154c 1288 ret = DesSetKey(key + 8, Reverse(dir), des->key[1]);
wolfSSL 0:d92f9d21154c 1289 if (ret != 0)
wolfSSL 0:d92f9d21154c 1290 return ret;
wolfSSL 0:d92f9d21154c 1291
wolfSSL 0:d92f9d21154c 1292 ret = DesSetKey(key + (dir == DES_DECRYPTION ? 0:16), dir, des->key[2]);
wolfSSL 0:d92f9d21154c 1293 if (ret != 0)
wolfSSL 0:d92f9d21154c 1294 return ret;
wolfSSL 0:d92f9d21154c 1295
wolfSSL 0:d92f9d21154c 1296 return wc_Des3_SetIV(des, iv);
wolfSSL 0:d92f9d21154c 1297 }
wolfSSL 0:d92f9d21154c 1298
wolfSSL 0:d92f9d21154c 1299
wolfSSL 0:d92f9d21154c 1300 static void DesRawProcessBlock(word32* lIn, word32* rIn, const word32* kptr)
wolfSSL 0:d92f9d21154c 1301 {
wolfSSL 0:d92f9d21154c 1302 word32 l = *lIn, r = *rIn, i;
wolfSSL 0:d92f9d21154c 1303
wolfSSL 0:d92f9d21154c 1304 for (i=0; i<8; i++)
wolfSSL 0:d92f9d21154c 1305 {
wolfSSL 0:d92f9d21154c 1306 word32 work = rotrFixed(r, 4U) ^ kptr[4*i+0];
wolfSSL 0:d92f9d21154c 1307 l ^= Spbox[6][(work) & 0x3f]
wolfSSL 0:d92f9d21154c 1308 ^ Spbox[4][(work >> 8) & 0x3f]
wolfSSL 0:d92f9d21154c 1309 ^ Spbox[2][(work >> 16) & 0x3f]
wolfSSL 0:d92f9d21154c 1310 ^ Spbox[0][(work >> 24) & 0x3f];
wolfSSL 0:d92f9d21154c 1311 work = r ^ kptr[4*i+1];
wolfSSL 0:d92f9d21154c 1312 l ^= Spbox[7][(work) & 0x3f]
wolfSSL 0:d92f9d21154c 1313 ^ Spbox[5][(work >> 8) & 0x3f]
wolfSSL 0:d92f9d21154c 1314 ^ Spbox[3][(work >> 16) & 0x3f]
wolfSSL 0:d92f9d21154c 1315 ^ Spbox[1][(work >> 24) & 0x3f];
wolfSSL 0:d92f9d21154c 1316
wolfSSL 0:d92f9d21154c 1317 work = rotrFixed(l, 4U) ^ kptr[4*i+2];
wolfSSL 0:d92f9d21154c 1318 r ^= Spbox[6][(work) & 0x3f]
wolfSSL 0:d92f9d21154c 1319 ^ Spbox[4][(work >> 8) & 0x3f]
wolfSSL 0:d92f9d21154c 1320 ^ Spbox[2][(work >> 16) & 0x3f]
wolfSSL 0:d92f9d21154c 1321 ^ Spbox[0][(work >> 24) & 0x3f];
wolfSSL 0:d92f9d21154c 1322 work = l ^ kptr[4*i+3];
wolfSSL 0:d92f9d21154c 1323 r ^= Spbox[7][(work) & 0x3f]
wolfSSL 0:d92f9d21154c 1324 ^ Spbox[5][(work >> 8) & 0x3f]
wolfSSL 0:d92f9d21154c 1325 ^ Spbox[3][(work >> 16) & 0x3f]
wolfSSL 0:d92f9d21154c 1326 ^ Spbox[1][(work >> 24) & 0x3f];
wolfSSL 0:d92f9d21154c 1327 }
wolfSSL 0:d92f9d21154c 1328
wolfSSL 0:d92f9d21154c 1329 *lIn = l; *rIn = r;
wolfSSL 0:d92f9d21154c 1330 }
wolfSSL 0:d92f9d21154c 1331
wolfSSL 0:d92f9d21154c 1332
wolfSSL 0:d92f9d21154c 1333 static void DesProcessBlock(Des* des, const byte* in, byte* out)
wolfSSL 0:d92f9d21154c 1334 {
wolfSSL 0:d92f9d21154c 1335 word32 l, r;
wolfSSL 0:d92f9d21154c 1336
wolfSSL 0:d92f9d21154c 1337 XMEMCPY(&l, in, sizeof(l));
wolfSSL 0:d92f9d21154c 1338 XMEMCPY(&r, in + sizeof(l), sizeof(r));
wolfSSL 0:d92f9d21154c 1339 #ifdef LITTLE_ENDIAN_ORDER
wolfSSL 0:d92f9d21154c 1340 l = ByteReverseWord32(l);
wolfSSL 0:d92f9d21154c 1341 r = ByteReverseWord32(r);
wolfSSL 0:d92f9d21154c 1342 #endif
wolfSSL 0:d92f9d21154c 1343 IPERM(&l,&r);
wolfSSL 0:d92f9d21154c 1344
wolfSSL 0:d92f9d21154c 1345 DesRawProcessBlock(&l, &r, des->key);
wolfSSL 0:d92f9d21154c 1346
wolfSSL 0:d92f9d21154c 1347 FPERM(&l,&r);
wolfSSL 0:d92f9d21154c 1348 #ifdef LITTLE_ENDIAN_ORDER
wolfSSL 0:d92f9d21154c 1349 l = ByteReverseWord32(l);
wolfSSL 0:d92f9d21154c 1350 r = ByteReverseWord32(r);
wolfSSL 0:d92f9d21154c 1351 #endif
wolfSSL 0:d92f9d21154c 1352 XMEMCPY(out, &r, sizeof(r));
wolfSSL 0:d92f9d21154c 1353 XMEMCPY(out + sizeof(r), &l, sizeof(l));
wolfSSL 0:d92f9d21154c 1354 }
wolfSSL 0:d92f9d21154c 1355
wolfSSL 0:d92f9d21154c 1356
wolfSSL 0:d92f9d21154c 1357 static void Des3ProcessBlock(Des3* des, const byte* in, byte* out)
wolfSSL 0:d92f9d21154c 1358 {
wolfSSL 0:d92f9d21154c 1359 word32 l, r;
wolfSSL 0:d92f9d21154c 1360
wolfSSL 0:d92f9d21154c 1361 XMEMCPY(&l, in, sizeof(l));
wolfSSL 0:d92f9d21154c 1362 XMEMCPY(&r, in + sizeof(l), sizeof(r));
wolfSSL 0:d92f9d21154c 1363 #ifdef LITTLE_ENDIAN_ORDER
wolfSSL 0:d92f9d21154c 1364 l = ByteReverseWord32(l);
wolfSSL 0:d92f9d21154c 1365 r = ByteReverseWord32(r);
wolfSSL 0:d92f9d21154c 1366 #endif
wolfSSL 0:d92f9d21154c 1367 IPERM(&l,&r);
wolfSSL 0:d92f9d21154c 1368
wolfSSL 0:d92f9d21154c 1369 DesRawProcessBlock(&l, &r, des->key[0]);
wolfSSL 0:d92f9d21154c 1370 DesRawProcessBlock(&r, &l, des->key[1]);
wolfSSL 0:d92f9d21154c 1371 DesRawProcessBlock(&l, &r, des->key[2]);
wolfSSL 0:d92f9d21154c 1372
wolfSSL 0:d92f9d21154c 1373 FPERM(&l,&r);
wolfSSL 0:d92f9d21154c 1374 #ifdef LITTLE_ENDIAN_ORDER
wolfSSL 0:d92f9d21154c 1375 l = ByteReverseWord32(l);
wolfSSL 0:d92f9d21154c 1376 r = ByteReverseWord32(r);
wolfSSL 0:d92f9d21154c 1377 #endif
wolfSSL 0:d92f9d21154c 1378 XMEMCPY(out, &r, sizeof(r));
wolfSSL 0:d92f9d21154c 1379 XMEMCPY(out + sizeof(r), &l, sizeof(l));
wolfSSL 0:d92f9d21154c 1380 }
wolfSSL 0:d92f9d21154c 1381
wolfSSL 0:d92f9d21154c 1382
wolfSSL 0:d92f9d21154c 1383 int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 1384 {
wolfSSL 0:d92f9d21154c 1385 word32 blocks = sz / DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1386
wolfSSL 0:d92f9d21154c 1387 while (blocks--) {
wolfSSL 0:d92f9d21154c 1388 xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1389 DesProcessBlock(des, (byte*)des->reg, (byte*)des->reg);
wolfSSL 0:d92f9d21154c 1390 XMEMCPY(out, des->reg, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1391
wolfSSL 0:d92f9d21154c 1392 out += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1393 in += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1394 }
wolfSSL 0:d92f9d21154c 1395 return 0;
wolfSSL 0:d92f9d21154c 1396 }
wolfSSL 0:d92f9d21154c 1397
wolfSSL 0:d92f9d21154c 1398
wolfSSL 0:d92f9d21154c 1399 int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 1400 {
wolfSSL 0:d92f9d21154c 1401 word32 blocks = sz / DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1402 byte hold[DES_BLOCK_SIZE];
wolfSSL 0:d92f9d21154c 1403
wolfSSL 0:d92f9d21154c 1404 while (blocks--) {
wolfSSL 0:d92f9d21154c 1405 XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1406 DesProcessBlock(des, (byte*)des->tmp, out);
wolfSSL 0:d92f9d21154c 1407 xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1408
wolfSSL 0:d92f9d21154c 1409 XMEMCPY(hold, des->reg, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1410 XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1411 XMEMCPY(des->tmp, hold, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1412
wolfSSL 0:d92f9d21154c 1413 out += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1414 in += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1415 }
wolfSSL 0:d92f9d21154c 1416 return 0;
wolfSSL 0:d92f9d21154c 1417 }
wolfSSL 0:d92f9d21154c 1418
wolfSSL 0:d92f9d21154c 1419
wolfSSL 0:d92f9d21154c 1420 int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 1421 {
wolfSSL 0:d92f9d21154c 1422 word32 blocks;
wolfSSL 0:d92f9d21154c 1423
wolfSSL 0:d92f9d21154c 1424 #ifdef HAVE_CAVIUM
wolfSSL 0:d92f9d21154c 1425 if (des->magic == WOLFSSL_3DES_CAVIUM_MAGIC)
wolfSSL 0:d92f9d21154c 1426 return wc_Des3_CaviumCbcEncrypt(des, out, in, sz);
wolfSSL 0:d92f9d21154c 1427 #endif
wolfSSL 0:d92f9d21154c 1428
wolfSSL 0:d92f9d21154c 1429 blocks = sz / DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1430 while (blocks--) {
wolfSSL 0:d92f9d21154c 1431 xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1432 Des3ProcessBlock(des, (byte*)des->reg, (byte*)des->reg);
wolfSSL 0:d92f9d21154c 1433 XMEMCPY(out, des->reg, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1434
wolfSSL 0:d92f9d21154c 1435 out += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1436 in += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1437 }
wolfSSL 0:d92f9d21154c 1438 return 0;
wolfSSL 0:d92f9d21154c 1439 }
wolfSSL 0:d92f9d21154c 1440
wolfSSL 0:d92f9d21154c 1441
wolfSSL 0:d92f9d21154c 1442 int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 1443 {
wolfSSL 0:d92f9d21154c 1444 word32 blocks;
wolfSSL 0:d92f9d21154c 1445
wolfSSL 0:d92f9d21154c 1446 #ifdef HAVE_CAVIUM
wolfSSL 0:d92f9d21154c 1447 if (des->magic == WOLFSSL_3DES_CAVIUM_MAGIC)
wolfSSL 0:d92f9d21154c 1448 return wc_Des3_CaviumCbcDecrypt(des, out, in, sz);
wolfSSL 0:d92f9d21154c 1449 #endif
wolfSSL 0:d92f9d21154c 1450
wolfSSL 0:d92f9d21154c 1451 blocks = sz / DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1452 while (blocks--) {
wolfSSL 0:d92f9d21154c 1453 XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1454 Des3ProcessBlock(des, (byte*)des->tmp, out);
wolfSSL 0:d92f9d21154c 1455 xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1456 XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1457
wolfSSL 0:d92f9d21154c 1458 out += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1459 in += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1460 }
wolfSSL 0:d92f9d21154c 1461 return 0;
wolfSSL 0:d92f9d21154c 1462 }
wolfSSL 0:d92f9d21154c 1463
wolfSSL 0:d92f9d21154c 1464 #ifdef WOLFSSL_DES_ECB
wolfSSL 0:d92f9d21154c 1465
wolfSSL 0:d92f9d21154c 1466 /* One block, compatibility only */
wolfSSL 0:d92f9d21154c 1467 int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
wolfSSL 0:d92f9d21154c 1468 {
wolfSSL 0:d92f9d21154c 1469 word32 blocks = sz / DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1470
wolfSSL 0:d92f9d21154c 1471 while (blocks--) {
wolfSSL 0:d92f9d21154c 1472 DesProcessBlock(des, in, out);
wolfSSL 0:d92f9d21154c 1473
wolfSSL 0:d92f9d21154c 1474 out += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1475 in += DES_BLOCK_SIZE;
wolfSSL 0:d92f9d21154c 1476 }
wolfSSL 0:d92f9d21154c 1477 return 0;
wolfSSL 0:d92f9d21154c 1478 }
wolfSSL 0:d92f9d21154c 1479
wolfSSL 0:d92f9d21154c 1480 #endif /* WOLFSSL_DES_ECB */
wolfSSL 0:d92f9d21154c 1481
wolfSSL 0:d92f9d21154c 1482 #endif /* STM32F2_CRYPTO */
wolfSSL 0:d92f9d21154c 1483
wolfSSL 0:d92f9d21154c 1484 void wc_Des_SetIV(Des* des, const byte* iv)
wolfSSL 0:d92f9d21154c 1485 {
wolfSSL 0:d92f9d21154c 1486 if (des && iv)
wolfSSL 0:d92f9d21154c 1487 XMEMCPY(des->reg, iv, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1488 else if (des)
wolfSSL 0:d92f9d21154c 1489 XMEMSET(des->reg, 0, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1490 }
wolfSSL 0:d92f9d21154c 1491
wolfSSL 0:d92f9d21154c 1492
wolfSSL 0:d92f9d21154c 1493 int wc_Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
wolfSSL 0:d92f9d21154c 1494 const byte* key, const byte* iv)
wolfSSL 0:d92f9d21154c 1495 {
wolfSSL 0:d92f9d21154c 1496 int ret = 0;
wolfSSL 0:d92f9d21154c 1497 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 0:d92f9d21154c 1498 Des* des = NULL;
wolfSSL 0:d92f9d21154c 1499 #else
wolfSSL 0:d92f9d21154c 1500 Des des[1];
wolfSSL 0:d92f9d21154c 1501 #endif
wolfSSL 0:d92f9d21154c 1502
wolfSSL 0:d92f9d21154c 1503 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 0:d92f9d21154c 1504 des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 0:d92f9d21154c 1505 if (des == NULL)
wolfSSL 0:d92f9d21154c 1506 return MEMORY_E;
wolfSSL 0:d92f9d21154c 1507 #endif
wolfSSL 0:d92f9d21154c 1508
wolfSSL 0:d92f9d21154c 1509 ret = wc_Des_SetKey(des, key, iv, DES_DECRYPTION);
wolfSSL 0:d92f9d21154c 1510 if (ret == 0)
wolfSSL 0:d92f9d21154c 1511 ret = wc_Des_CbcDecrypt(des, out, in, sz);
wolfSSL 0:d92f9d21154c 1512
wolfSSL 0:d92f9d21154c 1513 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 0:d92f9d21154c 1514 XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 0:d92f9d21154c 1515 #endif
wolfSSL 0:d92f9d21154c 1516
wolfSSL 0:d92f9d21154c 1517 return ret;
wolfSSL 0:d92f9d21154c 1518 }
wolfSSL 0:d92f9d21154c 1519
wolfSSL 0:d92f9d21154c 1520
wolfSSL 0:d92f9d21154c 1521 int wc_Des3_SetIV(Des3* des, const byte* iv)
wolfSSL 0:d92f9d21154c 1522 {
wolfSSL 0:d92f9d21154c 1523 if (des && iv)
wolfSSL 0:d92f9d21154c 1524 XMEMCPY(des->reg, iv, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1525 else if (des)
wolfSSL 0:d92f9d21154c 1526 XMEMSET(des->reg, 0, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1527
wolfSSL 0:d92f9d21154c 1528 return 0;
wolfSSL 0:d92f9d21154c 1529 }
wolfSSL 0:d92f9d21154c 1530
wolfSSL 0:d92f9d21154c 1531
wolfSSL 0:d92f9d21154c 1532 int wc_Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
wolfSSL 0:d92f9d21154c 1533 const byte* key, const byte* iv)
wolfSSL 0:d92f9d21154c 1534 {
wolfSSL 0:d92f9d21154c 1535 int ret = 0;
wolfSSL 0:d92f9d21154c 1536 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 0:d92f9d21154c 1537 Des3* des3 = NULL;
wolfSSL 0:d92f9d21154c 1538 #else
wolfSSL 0:d92f9d21154c 1539 Des3 des3[1];
wolfSSL 0:d92f9d21154c 1540 #endif
wolfSSL 0:d92f9d21154c 1541
wolfSSL 0:d92f9d21154c 1542 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 0:d92f9d21154c 1543 des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 0:d92f9d21154c 1544 if (des3 == NULL)
wolfSSL 0:d92f9d21154c 1545 return MEMORY_E;
wolfSSL 0:d92f9d21154c 1546 #endif
wolfSSL 0:d92f9d21154c 1547
wolfSSL 0:d92f9d21154c 1548 ret = wc_Des3_SetKey(des3, key, iv, DES_DECRYPTION);
wolfSSL 0:d92f9d21154c 1549 if (ret == 0)
wolfSSL 0:d92f9d21154c 1550 ret = wc_Des3_CbcDecrypt(des3, out, in, sz);
wolfSSL 0:d92f9d21154c 1551
wolfSSL 0:d92f9d21154c 1552 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 0:d92f9d21154c 1553 XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 0:d92f9d21154c 1554 #endif
wolfSSL 0:d92f9d21154c 1555
wolfSSL 0:d92f9d21154c 1556 return ret;
wolfSSL 0:d92f9d21154c 1557 }
wolfSSL 0:d92f9d21154c 1558
wolfSSL 0:d92f9d21154c 1559
wolfSSL 0:d92f9d21154c 1560 #ifdef HAVE_CAVIUM
wolfSSL 0:d92f9d21154c 1561
wolfSSL 0:d92f9d21154c 1562 #include "cavium_common.h"
wolfSSL 0:d92f9d21154c 1563
wolfSSL 0:d92f9d21154c 1564 /* Initiliaze Des3 for use with Nitrox device */
wolfSSL 0:d92f9d21154c 1565 int wc_Des3_InitCavium(Des3* des3, int devId)
wolfSSL 0:d92f9d21154c 1566 {
wolfSSL 0:d92f9d21154c 1567 if (des3 == NULL)
wolfSSL 0:d92f9d21154c 1568 return -1;
wolfSSL 0:d92f9d21154c 1569
wolfSSL 0:d92f9d21154c 1570 if (CspAllocContext(CONTEXT_SSL, &des3->contextHandle, devId) != 0)
wolfSSL 0:d92f9d21154c 1571 return -1;
wolfSSL 0:d92f9d21154c 1572
wolfSSL 0:d92f9d21154c 1573 des3->devId = devId;
wolfSSL 0:d92f9d21154c 1574 des3->magic = WOLFSSL_3DES_CAVIUM_MAGIC;
wolfSSL 0:d92f9d21154c 1575
wolfSSL 0:d92f9d21154c 1576 return 0;
wolfSSL 0:d92f9d21154c 1577 }
wolfSSL 0:d92f9d21154c 1578
wolfSSL 0:d92f9d21154c 1579
wolfSSL 0:d92f9d21154c 1580 /* Free Des3 from use with Nitrox device */
wolfSSL 0:d92f9d21154c 1581 void wc_Des3_FreeCavium(Des3* des3)
wolfSSL 0:d92f9d21154c 1582 {
wolfSSL 0:d92f9d21154c 1583 if (des3 == NULL)
wolfSSL 0:d92f9d21154c 1584 return;
wolfSSL 0:d92f9d21154c 1585
wolfSSL 0:d92f9d21154c 1586 if (des3->magic != WOLFSSL_3DES_CAVIUM_MAGIC)
wolfSSL 0:d92f9d21154c 1587 return;
wolfSSL 0:d92f9d21154c 1588
wolfSSL 0:d92f9d21154c 1589 CspFreeContext(CONTEXT_SSL, des3->contextHandle, des3->devId);
wolfSSL 0:d92f9d21154c 1590 des3->magic = 0;
wolfSSL 0:d92f9d21154c 1591 }
wolfSSL 0:d92f9d21154c 1592
wolfSSL 0:d92f9d21154c 1593
wolfSSL 0:d92f9d21154c 1594 static int wc_Des3_CaviumSetKey(Des3* des3, const byte* key, const byte* iv)
wolfSSL 0:d92f9d21154c 1595 {
wolfSSL 0:d92f9d21154c 1596 if (des3 == NULL)
wolfSSL 0:d92f9d21154c 1597 return -1;
wolfSSL 0:d92f9d21154c 1598
wolfSSL 0:d92f9d21154c 1599 /* key[0] holds key, iv in reg */
wolfSSL 0:d92f9d21154c 1600 XMEMCPY(des3->key[0], key, DES_BLOCK_SIZE*3);
wolfSSL 0:d92f9d21154c 1601
wolfSSL 0:d92f9d21154c 1602 return wc_Des3_SetIV(des3, iv);
wolfSSL 0:d92f9d21154c 1603 }
wolfSSL 0:d92f9d21154c 1604
wolfSSL 0:d92f9d21154c 1605
wolfSSL 0:d92f9d21154c 1606 static int wc_Des3_CaviumCbcEncrypt(Des3* des3, byte* out, const byte* in,
wolfSSL 0:d92f9d21154c 1607 word32 length)
wolfSSL 0:d92f9d21154c 1608 {
wolfSSL 0:d92f9d21154c 1609 wolfssl_word offset = 0;
wolfSSL 0:d92f9d21154c 1610 word32 requestId;
wolfSSL 0:d92f9d21154c 1611
wolfSSL 0:d92f9d21154c 1612 while (length > WOLFSSL_MAX_16BIT) {
wolfSSL 0:d92f9d21154c 1613 word16 slen = (word16)WOLFSSL_MAX_16BIT;
wolfSSL 0:d92f9d21154c 1614 if (CspEncrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
wolfSSL 0:d92f9d21154c 1615 CAVIUM_NO_UPDATE, slen, (byte*)in + offset,
wolfSSL 0:d92f9d21154c 1616 out + offset, (byte*)des3->reg, (byte*)des3->key[0],
wolfSSL 0:d92f9d21154c 1617 &requestId, des3->devId) != 0) {
wolfSSL 0:d92f9d21154c 1618 WOLFSSL_MSG("Bad Cavium 3DES Cbc Encrypt");
wolfSSL 0:d92f9d21154c 1619 return -1;
wolfSSL 0:d92f9d21154c 1620 }
wolfSSL 0:d92f9d21154c 1621 length -= WOLFSSL_MAX_16BIT;
wolfSSL 0:d92f9d21154c 1622 offset += WOLFSSL_MAX_16BIT;
wolfSSL 0:d92f9d21154c 1623 XMEMCPY(des3->reg, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1624 }
wolfSSL 0:d92f9d21154c 1625 if (length) {
wolfSSL 0:d92f9d21154c 1626 word16 slen = (word16)length;
wolfSSL 0:d92f9d21154c 1627
wolfSSL 0:d92f9d21154c 1628 if (CspEncrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
wolfSSL 0:d92f9d21154c 1629 CAVIUM_NO_UPDATE, slen, (byte*)in + offset,
wolfSSL 0:d92f9d21154c 1630 out + offset, (byte*)des3->reg, (byte*)des3->key[0],
wolfSSL 0:d92f9d21154c 1631 &requestId, des3->devId) != 0) {
wolfSSL 0:d92f9d21154c 1632 WOLFSSL_MSG("Bad Cavium 3DES Cbc Encrypt");
wolfSSL 0:d92f9d21154c 1633 return -1;
wolfSSL 0:d92f9d21154c 1634 }
wolfSSL 0:d92f9d21154c 1635 XMEMCPY(des3->reg, out+offset+length - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1636 }
wolfSSL 0:d92f9d21154c 1637 return 0;
wolfSSL 0:d92f9d21154c 1638 }
wolfSSL 0:d92f9d21154c 1639
wolfSSL 0:d92f9d21154c 1640 static int wc_Des3_CaviumCbcDecrypt(Des3* des3, byte* out, const byte* in,
wolfSSL 0:d92f9d21154c 1641 word32 length)
wolfSSL 0:d92f9d21154c 1642 {
wolfSSL 0:d92f9d21154c 1643 word32 requestId;
wolfSSL 0:d92f9d21154c 1644 wolfssl_word offset = 0;
wolfSSL 0:d92f9d21154c 1645
wolfSSL 0:d92f9d21154c 1646 while (length > WOLFSSL_MAX_16BIT) {
wolfSSL 0:d92f9d21154c 1647 word16 slen = (word16)WOLFSSL_MAX_16BIT;
wolfSSL 0:d92f9d21154c 1648 XMEMCPY(des3->tmp, in + offset + slen - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1649 if (CspDecrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
wolfSSL 0:d92f9d21154c 1650 CAVIUM_NO_UPDATE, slen, (byte*)in+offset, out+offset,
wolfSSL 0:d92f9d21154c 1651 (byte*)des3->reg, (byte*)des3->key[0], &requestId,
wolfSSL 0:d92f9d21154c 1652 des3->devId) != 0) {
wolfSSL 0:d92f9d21154c 1653 WOLFSSL_MSG("Bad Cavium 3Des Decrypt");
wolfSSL 0:d92f9d21154c 1654 return -1;
wolfSSL 0:d92f9d21154c 1655 }
wolfSSL 0:d92f9d21154c 1656 length -= WOLFSSL_MAX_16BIT;
wolfSSL 0:d92f9d21154c 1657 offset += WOLFSSL_MAX_16BIT;
wolfSSL 0:d92f9d21154c 1658 XMEMCPY(des3->reg, des3->tmp, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1659 }
wolfSSL 0:d92f9d21154c 1660 if (length) {
wolfSSL 0:d92f9d21154c 1661 word16 slen = (word16)length;
wolfSSL 0:d92f9d21154c 1662 XMEMCPY(des3->tmp, in + offset + slen - DES_BLOCK_SIZE,DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1663 if (CspDecrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
wolfSSL 0:d92f9d21154c 1664 CAVIUM_NO_UPDATE, slen, (byte*)in+offset, out+offset,
wolfSSL 0:d92f9d21154c 1665 (byte*)des3->reg, (byte*)des3->key[0], &requestId,
wolfSSL 0:d92f9d21154c 1666 des3->devId) != 0) {
wolfSSL 0:d92f9d21154c 1667 WOLFSSL_MSG("Bad Cavium 3Des Decrypt");
wolfSSL 0:d92f9d21154c 1668 return -1;
wolfSSL 0:d92f9d21154c 1669 }
wolfSSL 0:d92f9d21154c 1670 XMEMCPY(des3->reg, des3->tmp, DES_BLOCK_SIZE);
wolfSSL 0:d92f9d21154c 1671 }
wolfSSL 0:d92f9d21154c 1672 return 0;
wolfSSL 0:d92f9d21154c 1673 }
wolfSSL 0:d92f9d21154c 1674
wolfSSL 0:d92f9d21154c 1675 #endif /* HAVE_CAVIUM */
wolfSSL 0:d92f9d21154c 1676 #endif /* WOLFSSL_TI_CRYPT */
wolfSSL 0:d92f9d21154c 1677 #endif /* HAVE_FIPS */
wolfSSL 0:d92f9d21154c 1678 #endif /* NO_DES3 */
wolfSSL 0:d92f9d21154c 1679