Francois Berder / cyassl-lib

fork of cyassl-lib

Dependents:   TLS_cyassl TLS_cyassl

ctaocrypt/src/des3.c@4:f377303c41be, 2013-09-16 (annotated)

Committer:
feb11
Date:
Mon Sep 16 09:53:35 2013 +0000
Revision:
4:f377303c41be
Parent:
0:714293de3836 
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ashleymills 0:714293de3836 1 /* des3.c
ashleymills 0:714293de3836 2 *
ashleymills 0:714293de3836 3 * Copyright (C) 2006-2013 wolfSSL Inc.
ashleymills 0:714293de3836 4 *
ashleymills 0:714293de3836 5 * This file is part of CyaSSL.
ashleymills 0:714293de3836 6 *
ashleymills 0:714293de3836 7 * CyaSSL is free software; you can redistribute it and/or modify
ashleymills 0:714293de3836 8 * it under the terms of the GNU General Public License as published by
ashleymills 0:714293de3836 9 * the Free Software Foundation; either version 2 of the License, or
ashleymills 0:714293de3836 10 * (at your option) any later version.
ashleymills 0:714293de3836 11 *
ashleymills 0:714293de3836 12 * CyaSSL is distributed in the hope that it will be useful,
ashleymills 0:714293de3836 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ashleymills 0:714293de3836 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ashleymills 0:714293de3836 15 * GNU General Public License for more details.
ashleymills 0:714293de3836 16 *
ashleymills 0:714293de3836 17 * You should have received a copy of the GNU General Public License
ashleymills 0:714293de3836 18 * along with this program; if not, write to the Free Software
ashleymills 0:714293de3836 19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
ashleymills 0:714293de3836 20 */
ashleymills 0:714293de3836 21
ashleymills 0:714293de3836 22 #ifdef HAVE_CONFIG_H
ashleymills 0:714293de3836 23 #include <config.h>
ashleymills 0:714293de3836 24 #endif
ashleymills 0:714293de3836 25
ashleymills 0:714293de3836 26 #include <cyassl/ctaocrypt/settings.h>
ashleymills 0:714293de3836 27
ashleymills 0:714293de3836 28 #ifndef NO_DES3
ashleymills 0:714293de3836 29
ashleymills 0:714293de3836 30 #include <cyassl/ctaocrypt/des3.h>
ashleymills 0:714293de3836 31
ashleymills 0:714293de3836 32 #ifdef NO_INLINE
ashleymills 0:714293de3836 33 #include <cyassl/ctaocrypt/misc.h>
ashleymills 0:714293de3836 34 #else
ashleymills 0:714293de3836 35 #include <ctaocrypt/src/misc.c>
ashleymills 0:714293de3836 36 #endif
ashleymills 0:714293de3836 37
ashleymills 0:714293de3836 38
ashleymills 0:714293de3836 39 #ifdef HAVE_CAVIUM
ashleymills 0:714293de3836 40 static void Des3_CaviumSetKey(Des3* des3, const byte* key, const byte* iv);
ashleymills 0:714293de3836 41 static void Des3_CaviumCbcEncrypt(Des3* des3, byte* out, const byte* in,
ashleymills 0:714293de3836 42 word32 length);
ashleymills 0:714293de3836 43 static void Des3_CaviumCbcDecrypt(Des3* des3, byte* out, const byte* in,
ashleymills 0:714293de3836 44 word32 length);
ashleymills 0:714293de3836 45 #endif
ashleymills 0:714293de3836 46
ashleymills 0:714293de3836 47 #ifdef STM32F2_CRYPTO
ashleymills 0:714293de3836 48 /*
ashleymills 0:714293de3836 49 * STM32F2 hardware DES/3DES support through the STM32F2 standard
ashleymills 0:714293de3836 50 * peripheral library. Documentation located in STM32F2xx Standard
ashleymills 0:714293de3836 51 * Peripheral Library document (See note in README).
ashleymills 0:714293de3836 52 */
ashleymills 0:714293de3836 53 #include "stm32f2xx.h"
ashleymills 0:714293de3836 54 #include "stm32f2xx_cryp.h"
ashleymills 0:714293de3836 55
ashleymills 0:714293de3836 56 void Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
ashleymills 0:714293de3836 57 {
ashleymills 0:714293de3836 58 word32 *dkey = des->key;
ashleymills 0:714293de3836 59
ashleymills 0:714293de3836 60 XMEMCPY(dkey, key, 8);
ashleymills 0:714293de3836 61 ByteReverseWords(dkey, dkey, 8);
ashleymills 0:714293de3836 62
ashleymills 0:714293de3836 63 Des_SetIV(des, iv);
ashleymills 0:714293de3836 64 }
ashleymills 0:714293de3836 65
ashleymills 0:714293de3836 66 void Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
ashleymills 0:714293de3836 67 {
ashleymills 0:714293de3836 68 word32 *dkey1 = des->key[0];
ashleymills 0:714293de3836 69 word32 *dkey2 = des->key[1];
ashleymills 0:714293de3836 70 word32 *dkey3 = des->key[2];
ashleymills 0:714293de3836 71
ashleymills 0:714293de3836 72 XMEMCPY(dkey1, key, 8); /* set key 1 */
ashleymills 0:714293de3836 73 XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
ashleymills 0:714293de3836 74 XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
ashleymills 0:714293de3836 75
ashleymills 0:714293de3836 76 ByteReverseWords(dkey1, dkey1, 8);
ashleymills 0:714293de3836 77 ByteReverseWords(dkey2, dkey2, 8);
ashleymills 0:714293de3836 78 ByteReverseWords(dkey3, dkey3, 8);
ashleymills 0:714293de3836 79
ashleymills 0:714293de3836 80 Des3_SetIV(des, iv);
ashleymills 0:714293de3836 81 }
ashleymills 0:714293de3836 82
ashleymills 0:714293de3836 83 void DesCrypt(Des* des, byte* out, const byte* in, word32 sz,
ashleymills 0:714293de3836 84 int dir, int mode)
ashleymills 0:714293de3836 85 {
ashleymills 0:714293de3836 86 word32 *dkey, *iv;
ashleymills 0:714293de3836 87 CRYP_InitTypeDef DES_CRYP_InitStructure;
ashleymills 0:714293de3836 88 CRYP_KeyInitTypeDef DES_CRYP_KeyInitStructure;
ashleymills 0:714293de3836 89 CRYP_IVInitTypeDef DES_CRYP_IVInitStructure;
ashleymills 0:714293de3836 90
ashleymills 0:714293de3836 91 dkey = des->key;
ashleymills 0:714293de3836 92 iv = des->reg;
ashleymills 0:714293de3836 93
ashleymills 0:714293de3836 94 /* crypto structure initialization */
ashleymills 0:714293de3836 95 CRYP_KeyStructInit(&DES_CRYP_KeyInitStructure);
ashleymills 0:714293de3836 96 CRYP_StructInit(&DES_CRYP_InitStructure);
ashleymills 0:714293de3836 97 CRYP_IVStructInit(&DES_CRYP_IVInitStructure);
ashleymills 0:714293de3836 98
ashleymills 0:714293de3836 99 /* reset registers to their default values */
ashleymills 0:714293de3836 100 CRYP_DeInit();
ashleymills 0:714293de3836 101
ashleymills 0:714293de3836 102 /* set direction, mode, and datatype */
ashleymills 0:714293de3836 103 if (dir == DES_ENCRYPTION) {
ashleymills 0:714293de3836 104 DES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
ashleymills 0:714293de3836 105 } else { /* DES_DECRYPTION */
ashleymills 0:714293de3836 106 DES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
ashleymills 0:714293de3836 107 }
ashleymills 0:714293de3836 108
ashleymills 0:714293de3836 109 if (mode == DES_CBC) {
ashleymills 0:714293de3836 110 DES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_DES_CBC;
ashleymills 0:714293de3836 111 } else { /* DES_ECB */
ashleymills 0:714293de3836 112 DES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_DES_ECB;
ashleymills 0:714293de3836 113 }
ashleymills 0:714293de3836 114
ashleymills 0:714293de3836 115 DES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
ashleymills 0:714293de3836 116 CRYP_Init(&DES_CRYP_InitStructure);
ashleymills 0:714293de3836 117
ashleymills 0:714293de3836 118 /* load key into correct registers */
ashleymills 0:714293de3836 119 DES_CRYP_KeyInitStructure.CRYP_Key1Left = dkey[0];
ashleymills 0:714293de3836 120 DES_CRYP_KeyInitStructure.CRYP_Key1Right = dkey[1];
ashleymills 0:714293de3836 121 CRYP_KeyInit(&DES_CRYP_KeyInitStructure);
ashleymills 0:714293de3836 122
ashleymills 0:714293de3836 123 /* set iv */
ashleymills 0:714293de3836 124 ByteReverseWords(iv, iv, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 125 DES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
ashleymills 0:714293de3836 126 DES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
ashleymills 0:714293de3836 127 CRYP_IVInit(&DES_CRYP_IVInitStructure);
ashleymills 0:714293de3836 128
ashleymills 0:714293de3836 129 /* enable crypto processor */
ashleymills 0:714293de3836 130 CRYP_Cmd(ENABLE);
ashleymills 0:714293de3836 131
ashleymills 0:714293de3836 132 while (sz > 0)
ashleymills 0:714293de3836 133 {
ashleymills 0:714293de3836 134 /* flush IN/OUT FIFOs */
ashleymills 0:714293de3836 135 CRYP_FIFOFlush();
ashleymills 0:714293de3836 136
ashleymills 0:714293de3836 137 /* if input and output same will overwrite input iv */
ashleymills 0:714293de3836 138 XMEMCPY(des->tmp, in + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 139
ashleymills 0:714293de3836 140 CRYP_DataIn(*(uint32_t*)&in[0]);
ashleymills 0:714293de3836 141 CRYP_DataIn(*(uint32_t*)&in[4]);
ashleymills 0:714293de3836 142
ashleymills 0:714293de3836 143 /* wait until the complete message has been processed */
ashleymills 0:714293de3836 144 while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
ashleymills 0:714293de3836 145
ashleymills 0:714293de3836 146 *(uint32_t*)&out[0] = CRYP_DataOut();
ashleymills 0:714293de3836 147 *(uint32_t*)&out[4] = CRYP_DataOut();
ashleymills 0:714293de3836 148
ashleymills 0:714293de3836 149 /* store iv for next call */
ashleymills 0:714293de3836 150 XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 151
ashleymills 0:714293de3836 152 sz -= DES_BLOCK_SIZE;
ashleymills 0:714293de3836 153 in += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 154 out += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 155 }
ashleymills 0:714293de3836 156
ashleymills 0:714293de3836 157 /* disable crypto processor */
ashleymills 0:714293de3836 158 CRYP_Cmd(DISABLE);
ashleymills 0:714293de3836 159 }
ashleymills 0:714293de3836 160
ashleymills 0:714293de3836 161 void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
ashleymills 0:714293de3836 162 {
ashleymills 0:714293de3836 163 DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_CBC);
ashleymills 0:714293de3836 164 }
ashleymills 0:714293de3836 165
ashleymills 0:714293de3836 166 void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
ashleymills 0:714293de3836 167 {
ashleymills 0:714293de3836 168 DesCrypt(des, out, in, sz, DES_DECRYPTION, DES_CBC);
ashleymills 0:714293de3836 169 }
ashleymills 0:714293de3836 170
ashleymills 0:714293de3836 171 void Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
ashleymills 0:714293de3836 172 {
ashleymills 0:714293de3836 173 DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_ECB);
ashleymills 0:714293de3836 174 }
ashleymills 0:714293de3836 175
ashleymills 0:714293de3836 176 void Des3Crypt(Des3* des, byte* out, const byte* in, word32 sz,
ashleymills 0:714293de3836 177 int dir)
ashleymills 0:714293de3836 178 {
ashleymills 0:714293de3836 179 word32 *dkey1, *dkey2, *dkey3, *iv;
ashleymills 0:714293de3836 180 CRYP_InitTypeDef DES3_CRYP_InitStructure;
ashleymills 0:714293de3836 181 CRYP_KeyInitTypeDef DES3_CRYP_KeyInitStructure;
ashleymills 0:714293de3836 182 CRYP_IVInitTypeDef DES3_CRYP_IVInitStructure;
ashleymills 0:714293de3836 183
ashleymills 0:714293de3836 184 dkey1 = des->key[0];
ashleymills 0:714293de3836 185 dkey2 = des->key[1];
ashleymills 0:714293de3836 186 dkey3 = des->key[2];
ashleymills 0:714293de3836 187 iv = des->reg;
ashleymills 0:714293de3836 188
ashleymills 0:714293de3836 189 /* crypto structure initialization */
ashleymills 0:714293de3836 190 CRYP_KeyStructInit(&DES3_CRYP_KeyInitStructure);
ashleymills 0:714293de3836 191 CRYP_StructInit(&DES3_CRYP_InitStructure);
ashleymills 0:714293de3836 192 CRYP_IVStructInit(&DES3_CRYP_IVInitStructure);
ashleymills 0:714293de3836 193
ashleymills 0:714293de3836 194 /* reset registers to their default values */
ashleymills 0:714293de3836 195 CRYP_DeInit();
ashleymills 0:714293de3836 196
ashleymills 0:714293de3836 197 /* set direction, mode, and datatype */
ashleymills 0:714293de3836 198 if (dir == DES_ENCRYPTION) {
ashleymills 0:714293de3836 199 DES3_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
ashleymills 0:714293de3836 200 } else {
ashleymills 0:714293de3836 201 DES3_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
ashleymills 0:714293de3836 202 }
ashleymills 0:714293de3836 203
ashleymills 0:714293de3836 204 DES3_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_TDES_CBC;
ashleymills 0:714293de3836 205 DES3_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
ashleymills 0:714293de3836 206 CRYP_Init(&DES3_CRYP_InitStructure);
ashleymills 0:714293de3836 207
ashleymills 0:714293de3836 208 /* load key into correct registers */
ashleymills 0:714293de3836 209 DES3_CRYP_KeyInitStructure.CRYP_Key1Left = dkey1[0];
ashleymills 0:714293de3836 210 DES3_CRYP_KeyInitStructure.CRYP_Key1Right = dkey1[1];
ashleymills 0:714293de3836 211 DES3_CRYP_KeyInitStructure.CRYP_Key2Left = dkey2[0];
ashleymills 0:714293de3836 212 DES3_CRYP_KeyInitStructure.CRYP_Key2Right = dkey2[1];
ashleymills 0:714293de3836 213 DES3_CRYP_KeyInitStructure.CRYP_Key3Left = dkey3[0];
ashleymills 0:714293de3836 214 DES3_CRYP_KeyInitStructure.CRYP_Key3Right = dkey3[1];
ashleymills 0:714293de3836 215 CRYP_KeyInit(&DES3_CRYP_KeyInitStructure);
ashleymills 0:714293de3836 216
ashleymills 0:714293de3836 217 /* set iv */
ashleymills 0:714293de3836 218 ByteReverseWords(iv, iv, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 219 DES3_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
ashleymills 0:714293de3836 220 DES3_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
ashleymills 0:714293de3836 221 CRYP_IVInit(&DES3_CRYP_IVInitStructure);
ashleymills 0:714293de3836 222
ashleymills 0:714293de3836 223 /* enable crypto processor */
ashleymills 0:714293de3836 224 CRYP_Cmd(ENABLE);
ashleymills 0:714293de3836 225
ashleymills 0:714293de3836 226 while (sz > 0)
ashleymills 0:714293de3836 227 {
ashleymills 0:714293de3836 228 /* flush IN/OUT FIFOs */
ashleymills 0:714293de3836 229 CRYP_FIFOFlush();
ashleymills 0:714293de3836 230
ashleymills 0:714293de3836 231 CRYP_DataIn(*(uint32_t*)&in[0]);
ashleymills 0:714293de3836 232 CRYP_DataIn(*(uint32_t*)&in[4]);
ashleymills 0:714293de3836 233
ashleymills 0:714293de3836 234 /* wait until the complete message has been processed */
ashleymills 0:714293de3836 235 while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
ashleymills 0:714293de3836 236
ashleymills 0:714293de3836 237 *(uint32_t*)&out[0] = CRYP_DataOut();
ashleymills 0:714293de3836 238 *(uint32_t*)&out[4] = CRYP_DataOut();
ashleymills 0:714293de3836 239
ashleymills 0:714293de3836 240 /* store iv for next call */
ashleymills 0:714293de3836 241 XMEMCPY(des->reg, out + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 242
ashleymills 0:714293de3836 243 sz -= DES_BLOCK_SIZE;
ashleymills 0:714293de3836 244 in += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 245 out += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 246 }
ashleymills 0:714293de3836 247
ashleymills 0:714293de3836 248 /* disable crypto processor */
ashleymills 0:714293de3836 249 CRYP_Cmd(DISABLE);
ashleymills 0:714293de3836 250
ashleymills 0:714293de3836 251 }
ashleymills 0:714293de3836 252
ashleymills 0:714293de3836 253 void Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
ashleymills 0:714293de3836 254 {
ashleymills 0:714293de3836 255 Des3Crypt(des, out, in, sz, DES_ENCRYPTION);
ashleymills 0:714293de3836 256 }
ashleymills 0:714293de3836 257
ashleymills 0:714293de3836 258 void Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
ashleymills 0:714293de3836 259 {
ashleymills 0:714293de3836 260 Des3Crypt(des, out, in, sz, DES_DECRYPTION);
ashleymills 0:714293de3836 261 }
ashleymills 0:714293de3836 262
ashleymills 0:714293de3836 263 #else /* CTaoCrypt software implementation */
ashleymills 0:714293de3836 264
ashleymills 0:714293de3836 265 /* permuted choice table (key) */
ashleymills 0:714293de3836 266 static const byte pc1[] = {
ashleymills 0:714293de3836 267 57, 49, 41, 33, 25, 17, 9,
ashleymills 0:714293de3836 268 1, 58, 50, 42, 34, 26, 18,
ashleymills 0:714293de3836 269 10, 2, 59, 51, 43, 35, 27,
ashleymills 0:714293de3836 270 19, 11, 3, 60, 52, 44, 36,
ashleymills 0:714293de3836 271
ashleymills 0:714293de3836 272 63, 55, 47, 39, 31, 23, 15,
ashleymills 0:714293de3836 273 7, 62, 54, 46, 38, 30, 22,
ashleymills 0:714293de3836 274 14, 6, 61, 53, 45, 37, 29,
ashleymills 0:714293de3836 275 21, 13, 5, 28, 20, 12, 4
ashleymills 0:714293de3836 276 };
ashleymills 0:714293de3836 277
ashleymills 0:714293de3836 278 /* number left rotations of pc1 */
ashleymills 0:714293de3836 279 static const byte totrot[] = {
ashleymills 0:714293de3836 280 1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28
ashleymills 0:714293de3836 281 };
ashleymills 0:714293de3836 282
ashleymills 0:714293de3836 283 /* permuted choice key (table) */
ashleymills 0:714293de3836 284 static const byte pc2[] = {
ashleymills 0:714293de3836 285 14, 17, 11, 24, 1, 5,
ashleymills 0:714293de3836 286 3, 28, 15, 6, 21, 10,
ashleymills 0:714293de3836 287 23, 19, 12, 4, 26, 8,
ashleymills 0:714293de3836 288 16, 7, 27, 20, 13, 2,
ashleymills 0:714293de3836 289 41, 52, 31, 37, 47, 55,
ashleymills 0:714293de3836 290 30, 40, 51, 45, 33, 48,
ashleymills 0:714293de3836 291 44, 49, 39, 56, 34, 53,
ashleymills 0:714293de3836 292 46, 42, 50, 36, 29, 32
ashleymills 0:714293de3836 293 };
ashleymills 0:714293de3836 294
ashleymills 0:714293de3836 295 /* End of DES-defined tables */
ashleymills 0:714293de3836 296
ashleymills 0:714293de3836 297 /* bit 0 is left-most in byte */
ashleymills 0:714293de3836 298 static const int bytebit[] = {
ashleymills 0:714293de3836 299 0200,0100,040,020,010,04,02,01
ashleymills 0:714293de3836 300 };
ashleymills 0:714293de3836 301
ashleymills 0:714293de3836 302 const word32 Spbox[8][64] = {
ashleymills 0:714293de3836 303 {
ashleymills 0:714293de3836 304 0x01010400,0x00000000,0x00010000,0x01010404,
ashleymills 0:714293de3836 305 0x01010004,0x00010404,0x00000004,0x00010000,
ashleymills 0:714293de3836 306 0x00000400,0x01010400,0x01010404,0x00000400,
ashleymills 0:714293de3836 307 0x01000404,0x01010004,0x01000000,0x00000004,
ashleymills 0:714293de3836 308 0x00000404,0x01000400,0x01000400,0x00010400,
ashleymills 0:714293de3836 309 0x00010400,0x01010000,0x01010000,0x01000404,
ashleymills 0:714293de3836 310 0x00010004,0x01000004,0x01000004,0x00010004,
ashleymills 0:714293de3836 311 0x00000000,0x00000404,0x00010404,0x01000000,
ashleymills 0:714293de3836 312 0x00010000,0x01010404,0x00000004,0x01010000,
ashleymills 0:714293de3836 313 0x01010400,0x01000000,0x01000000,0x00000400,
ashleymills 0:714293de3836 314 0x01010004,0x00010000,0x00010400,0x01000004,
ashleymills 0:714293de3836 315 0x00000400,0x00000004,0x01000404,0x00010404,
ashleymills 0:714293de3836 316 0x01010404,0x00010004,0x01010000,0x01000404,
ashleymills 0:714293de3836 317 0x01000004,0x00000404,0x00010404,0x01010400,
ashleymills 0:714293de3836 318 0x00000404,0x01000400,0x01000400,0x00000000,
ashleymills 0:714293de3836 319 0x00010004,0x00010400,0x00000000,0x01010004},
ashleymills 0:714293de3836 320 {
ashleymills 0:714293de3836 321 0x80108020,0x80008000,0x00008000,0x00108020,
ashleymills 0:714293de3836 322 0x00100000,0x00000020,0x80100020,0x80008020,
ashleymills 0:714293de3836 323 0x80000020,0x80108020,0x80108000,0x80000000,
ashleymills 0:714293de3836 324 0x80008000,0x00100000,0x00000020,0x80100020,
ashleymills 0:714293de3836 325 0x00108000,0x00100020,0x80008020,0x00000000,
ashleymills 0:714293de3836 326 0x80000000,0x00008000,0x00108020,0x80100000,
ashleymills 0:714293de3836 327 0x00100020,0x80000020,0x00000000,0x00108000,
ashleymills 0:714293de3836 328 0x00008020,0x80108000,0x80100000,0x00008020,
ashleymills 0:714293de3836 329 0x00000000,0x00108020,0x80100020,0x00100000,
ashleymills 0:714293de3836 330 0x80008020,0x80100000,0x80108000,0x00008000,
ashleymills 0:714293de3836 331 0x80100000,0x80008000,0x00000020,0x80108020,
ashleymills 0:714293de3836 332 0x00108020,0x00000020,0x00008000,0x80000000,
ashleymills 0:714293de3836 333 0x00008020,0x80108000,0x00100000,0x80000020,
ashleymills 0:714293de3836 334 0x00100020,0x80008020,0x80000020,0x00100020,
ashleymills 0:714293de3836 335 0x00108000,0x00000000,0x80008000,0x00008020,
ashleymills 0:714293de3836 336 0x80000000,0x80100020,0x80108020,0x00108000},
ashleymills 0:714293de3836 337 {
ashleymills 0:714293de3836 338 0x00000208,0x08020200,0x00000000,0x08020008,
ashleymills 0:714293de3836 339 0x08000200,0x00000000,0x00020208,0x08000200,
ashleymills 0:714293de3836 340 0x00020008,0x08000008,0x08000008,0x00020000,
ashleymills 0:714293de3836 341 0x08020208,0x00020008,0x08020000,0x00000208,
ashleymills 0:714293de3836 342 0x08000000,0x00000008,0x08020200,0x00000200,
ashleymills 0:714293de3836 343 0x00020200,0x08020000,0x08020008,0x00020208,
ashleymills 0:714293de3836 344 0x08000208,0x00020200,0x00020000,0x08000208,
ashleymills 0:714293de3836 345 0x00000008,0x08020208,0x00000200,0x08000000,
ashleymills 0:714293de3836 346 0x08020200,0x08000000,0x00020008,0x00000208,
ashleymills 0:714293de3836 347 0x00020000,0x08020200,0x08000200,0x00000000,
ashleymills 0:714293de3836 348 0x00000200,0x00020008,0x08020208,0x08000200,
ashleymills 0:714293de3836 349 0x08000008,0x00000200,0x00000000,0x08020008,
ashleymills 0:714293de3836 350 0x08000208,0x00020000,0x08000000,0x08020208,
ashleymills 0:714293de3836 351 0x00000008,0x00020208,0x00020200,0x08000008,
ashleymills 0:714293de3836 352 0x08020000,0x08000208,0x00000208,0x08020000,
ashleymills 0:714293de3836 353 0x00020208,0x00000008,0x08020008,0x00020200},
ashleymills 0:714293de3836 354 {
ashleymills 0:714293de3836 355 0x00802001,0x00002081,0x00002081,0x00000080,
ashleymills 0:714293de3836 356 0x00802080,0x00800081,0x00800001,0x00002001,
ashleymills 0:714293de3836 357 0x00000000,0x00802000,0x00802000,0x00802081,
ashleymills 0:714293de3836 358 0x00000081,0x00000000,0x00800080,0x00800001,
ashleymills 0:714293de3836 359 0x00000001,0x00002000,0x00800000,0x00802001,
ashleymills 0:714293de3836 360 0x00000080,0x00800000,0x00002001,0x00002080,
ashleymills 0:714293de3836 361 0x00800081,0x00000001,0x00002080,0x00800080,
ashleymills 0:714293de3836 362 0x00002000,0x00802080,0x00802081,0x00000081,
ashleymills 0:714293de3836 363 0x00800080,0x00800001,0x00802000,0x00802081,
ashleymills 0:714293de3836 364 0x00000081,0x00000000,0x00000000,0x00802000,
ashleymills 0:714293de3836 365 0x00002080,0x00800080,0x00800081,0x00000001,
ashleymills 0:714293de3836 366 0x00802001,0x00002081,0x00002081,0x00000080,
ashleymills 0:714293de3836 367 0x00802081,0x00000081,0x00000001,0x00002000,
ashleymills 0:714293de3836 368 0x00800001,0x00002001,0x00802080,0x00800081,
ashleymills 0:714293de3836 369 0x00002001,0x00002080,0x00800000,0x00802001,
ashleymills 0:714293de3836 370 0x00000080,0x00800000,0x00002000,0x00802080},
ashleymills 0:714293de3836 371 {
ashleymills 0:714293de3836 372 0x00000100,0x02080100,0x02080000,0x42000100,
ashleymills 0:714293de3836 373 0x00080000,0x00000100,0x40000000,0x02080000,
ashleymills 0:714293de3836 374 0x40080100,0x00080000,0x02000100,0x40080100,
ashleymills 0:714293de3836 375 0x42000100,0x42080000,0x00080100,0x40000000,
ashleymills 0:714293de3836 376 0x02000000,0x40080000,0x40080000,0x00000000,
ashleymills 0:714293de3836 377 0x40000100,0x42080100,0x42080100,0x02000100,
ashleymills 0:714293de3836 378 0x42080000,0x40000100,0x00000000,0x42000000,
ashleymills 0:714293de3836 379 0x02080100,0x02000000,0x42000000,0x00080100,
ashleymills 0:714293de3836 380 0x00080000,0x42000100,0x00000100,0x02000000,
ashleymills 0:714293de3836 381 0x40000000,0x02080000,0x42000100,0x40080100,
ashleymills 0:714293de3836 382 0x02000100,0x40000000,0x42080000,0x02080100,
ashleymills 0:714293de3836 383 0x40080100,0x00000100,0x02000000,0x42080000,
ashleymills 0:714293de3836 384 0x42080100,0x00080100,0x42000000,0x42080100,
ashleymills 0:714293de3836 385 0x02080000,0x00000000,0x40080000,0x42000000,
ashleymills 0:714293de3836 386 0x00080100,0x02000100,0x40000100,0x00080000,
ashleymills 0:714293de3836 387 0x00000000,0x40080000,0x02080100,0x40000100},
ashleymills 0:714293de3836 388 {
ashleymills 0:714293de3836 389 0x20000010,0x20400000,0x00004000,0x20404010,
ashleymills 0:714293de3836 390 0x20400000,0x00000010,0x20404010,0x00400000,
ashleymills 0:714293de3836 391 0x20004000,0x00404010,0x00400000,0x20000010,
ashleymills 0:714293de3836 392 0x00400010,0x20004000,0x20000000,0x00004010,
ashleymills 0:714293de3836 393 0x00000000,0x00400010,0x20004010,0x00004000,
ashleymills 0:714293de3836 394 0x00404000,0x20004010,0x00000010,0x20400010,
ashleymills 0:714293de3836 395 0x20400010,0x00000000,0x00404010,0x20404000,
ashleymills 0:714293de3836 396 0x00004010,0x00404000,0x20404000,0x20000000,
ashleymills 0:714293de3836 397 0x20004000,0x00000010,0x20400010,0x00404000,
ashleymills 0:714293de3836 398 0x20404010,0x00400000,0x00004010,0x20000010,
ashleymills 0:714293de3836 399 0x00400000,0x20004000,0x20000000,0x00004010,
ashleymills 0:714293de3836 400 0x20000010,0x20404010,0x00404000,0x20400000,
ashleymills 0:714293de3836 401 0x00404010,0x20404000,0x00000000,0x20400010,
ashleymills 0:714293de3836 402 0x00000010,0x00004000,0x20400000,0x00404010,
ashleymills 0:714293de3836 403 0x00004000,0x00400010,0x20004010,0x00000000,
ashleymills 0:714293de3836 404 0x20404000,0x20000000,0x00400010,0x20004010},
ashleymills 0:714293de3836 405 {
ashleymills 0:714293de3836 406 0x00200000,0x04200002,0x04000802,0x00000000,
ashleymills 0:714293de3836 407 0x00000800,0x04000802,0x00200802,0x04200800,
ashleymills 0:714293de3836 408 0x04200802,0x00200000,0x00000000,0x04000002,
ashleymills 0:714293de3836 409 0x00000002,0x04000000,0x04200002,0x00000802,
ashleymills 0:714293de3836 410 0x04000800,0x00200802,0x00200002,0x04000800,
ashleymills 0:714293de3836 411 0x04000002,0x04200000,0x04200800,0x00200002,
ashleymills 0:714293de3836 412 0x04200000,0x00000800,0x00000802,0x04200802,
ashleymills 0:714293de3836 413 0x00200800,0x00000002,0x04000000,0x00200800,
ashleymills 0:714293de3836 414 0x04000000,0x00200800,0x00200000,0x04000802,
ashleymills 0:714293de3836 415 0x04000802,0x04200002,0x04200002,0x00000002,
ashleymills 0:714293de3836 416 0x00200002,0x04000000,0x04000800,0x00200000,
ashleymills 0:714293de3836 417 0x04200800,0x00000802,0x00200802,0x04200800,
ashleymills 0:714293de3836 418 0x00000802,0x04000002,0x04200802,0x04200000,
ashleymills 0:714293de3836 419 0x00200800,0x00000000,0x00000002,0x04200802,
ashleymills 0:714293de3836 420 0x00000000,0x00200802,0x04200000,0x00000800,
ashleymills 0:714293de3836 421 0x04000002,0x04000800,0x00000800,0x00200002},
ashleymills 0:714293de3836 422 {
ashleymills 0:714293de3836 423 0x10001040,0x00001000,0x00040000,0x10041040,
ashleymills 0:714293de3836 424 0x10000000,0x10001040,0x00000040,0x10000000,
ashleymills 0:714293de3836 425 0x00040040,0x10040000,0x10041040,0x00041000,
ashleymills 0:714293de3836 426 0x10041000,0x00041040,0x00001000,0x00000040,
ashleymills 0:714293de3836 427 0x10040000,0x10000040,0x10001000,0x00001040,
ashleymills 0:714293de3836 428 0x00041000,0x00040040,0x10040040,0x10041000,
ashleymills 0:714293de3836 429 0x00001040,0x00000000,0x00000000,0x10040040,
ashleymills 0:714293de3836 430 0x10000040,0x10001000,0x00041040,0x00040000,
ashleymills 0:714293de3836 431 0x00041040,0x00040000,0x10041000,0x00001000,
ashleymills 0:714293de3836 432 0x00000040,0x10040040,0x00001000,0x00041040,
ashleymills 0:714293de3836 433 0x10001000,0x00000040,0x10000040,0x10040000,
ashleymills 0:714293de3836 434 0x10040040,0x10000000,0x00040000,0x10001040,
ashleymills 0:714293de3836 435 0x00000000,0x10041040,0x00040040,0x10000040,
ashleymills 0:714293de3836 436 0x10040000,0x10001000,0x10001040,0x00000000,
ashleymills 0:714293de3836 437 0x10041040,0x00041000,0x00041000,0x00001040,
ashleymills 0:714293de3836 438 0x00001040,0x00040040,0x10000000,0x10041000}
ashleymills 0:714293de3836 439 };
ashleymills 0:714293de3836 440
ashleymills 0:714293de3836 441
ashleymills 0:714293de3836 442 static INLINE void IPERM(word32* left, word32* right)
ashleymills 0:714293de3836 443 {
ashleymills 0:714293de3836 444 word32 work;
ashleymills 0:714293de3836 445
ashleymills 0:714293de3836 446 *right = rotlFixed(*right, 4U);
ashleymills 0:714293de3836 447 work = (*left ^ *right) & 0xf0f0f0f0;
ashleymills 0:714293de3836 448 *left ^= work;
ashleymills 0:714293de3836 449
ashleymills 0:714293de3836 450 *right = rotrFixed(*right^work, 20U);
ashleymills 0:714293de3836 451 work = (*left ^ *right) & 0xffff0000;
ashleymills 0:714293de3836 452 *left ^= work;
ashleymills 0:714293de3836 453
ashleymills 0:714293de3836 454 *right = rotrFixed(*right^work, 18U);
ashleymills 0:714293de3836 455 work = (*left ^ *right) & 0x33333333;
ashleymills 0:714293de3836 456 *left ^= work;
ashleymills 0:714293de3836 457
ashleymills 0:714293de3836 458 *right = rotrFixed(*right^work, 6U);
ashleymills 0:714293de3836 459 work = (*left ^ *right) & 0x00ff00ff;
ashleymills 0:714293de3836 460 *left ^= work;
ashleymills 0:714293de3836 461
ashleymills 0:714293de3836 462 *right = rotlFixed(*right^work, 9U);
ashleymills 0:714293de3836 463 work = (*left ^ *right) & 0xaaaaaaaa;
ashleymills 0:714293de3836 464 *left = rotlFixed(*left^work, 1U);
ashleymills 0:714293de3836 465 *right ^= work;
ashleymills 0:714293de3836 466 }
ashleymills 0:714293de3836 467
ashleymills 0:714293de3836 468
ashleymills 0:714293de3836 469 static INLINE void FPERM(word32* left, word32* right)
ashleymills 0:714293de3836 470 {
ashleymills 0:714293de3836 471 word32 work;
ashleymills 0:714293de3836 472
ashleymills 0:714293de3836 473 *right = rotrFixed(*right, 1U);
ashleymills 0:714293de3836 474 work = (*left ^ *right) & 0xaaaaaaaa;
ashleymills 0:714293de3836 475 *right ^= work;
ashleymills 0:714293de3836 476
ashleymills 0:714293de3836 477 *left = rotrFixed(*left^work, 9U);
ashleymills 0:714293de3836 478 work = (*left ^ *right) & 0x00ff00ff;
ashleymills 0:714293de3836 479 *right ^= work;
ashleymills 0:714293de3836 480
ashleymills 0:714293de3836 481 *left = rotlFixed(*left^work, 6U);
ashleymills 0:714293de3836 482 work = (*left ^ *right) & 0x33333333;
ashleymills 0:714293de3836 483 *right ^= work;
ashleymills 0:714293de3836 484
ashleymills 0:714293de3836 485 *left = rotlFixed(*left^work, 18U);
ashleymills 0:714293de3836 486 work = (*left ^ *right) & 0xffff0000;
ashleymills 0:714293de3836 487 *right ^= work;
ashleymills 0:714293de3836 488
ashleymills 0:714293de3836 489 *left = rotlFixed(*left^work, 20U);
ashleymills 0:714293de3836 490 work = (*left ^ *right) & 0xf0f0f0f0;
ashleymills 0:714293de3836 491 *right ^= work;
ashleymills 0:714293de3836 492
ashleymills 0:714293de3836 493 *left = rotrFixed(*left^work, 4U);
ashleymills 0:714293de3836 494 }
ashleymills 0:714293de3836 495
ashleymills 0:714293de3836 496
ashleymills 0:714293de3836 497 static void DesSetKey(const byte* key, int dir, word32* out)
ashleymills 0:714293de3836 498 {
ashleymills 0:714293de3836 499 byte buffer[56+56+8];
ashleymills 0:714293de3836 500 byte *const pc1m = buffer; /* place to modify pc1 into */
ashleymills 0:714293de3836 501 byte *const pcr = pc1m + 56; /* place to rotate pc1 into */
ashleymills 0:714293de3836 502 byte *const ks = pcr + 56;
ashleymills 0:714293de3836 503 register int i,j,l;
ashleymills 0:714293de3836 504 int m;
ashleymills 0:714293de3836 505
ashleymills 0:714293de3836 506 for (j = 0; j < 56; j++) { /* convert pc1 to bits of key */
ashleymills 0:714293de3836 507 l = pc1[j] - 1; /* integer bit location */
ashleymills 0:714293de3836 508 m = l & 07; /* find bit */
ashleymills 0:714293de3836 509 pc1m[j] = (key[l >> 3] & /* find which key byte l is in */
ashleymills 0:714293de3836 510 bytebit[m]) /* and which bit of that byte */
ashleymills 0:714293de3836 511 ? 1 : 0; /* and store 1-bit result */
ashleymills 0:714293de3836 512 }
ashleymills 0:714293de3836 513 for (i = 0; i < 16; i++) { /* key chunk for each iteration */
ashleymills 0:714293de3836 514 XMEMSET(ks, 0, 8); /* Clear key schedule */
ashleymills 0:714293de3836 515 for (j = 0; j < 56; j++) /* rotate pc1 the right amount */
ashleymills 0:714293de3836 516 pcr[j] = pc1m[(l = j + totrot[i]) < (j < 28 ? 28 : 56) ? l: l-28];
ashleymills 0:714293de3836 517 /* rotate left and right halves independently */
ashleymills 0:714293de3836 518 for (j = 0; j < 48; j++){ /* select bits individually */
ashleymills 0:714293de3836 519 /* check bit that goes to ks[j] */
ashleymills 0:714293de3836 520 if (pcr[pc2[j] - 1]){
ashleymills 0:714293de3836 521 /* mask it in if it's there */
ashleymills 0:714293de3836 522 l= j % 6;
ashleymills 0:714293de3836 523 ks[j/6] |= bytebit[l] >> 2;
ashleymills 0:714293de3836 524 }
ashleymills 0:714293de3836 525 }
ashleymills 0:714293de3836 526 /* Now convert to odd/even interleaved form for use in F */
ashleymills 0:714293de3836 527 out[2*i] = ((word32)ks[0] << 24)
ashleymills 0:714293de3836 528 | ((word32)ks[2] << 16)
ashleymills 0:714293de3836 529 | ((word32)ks[4] << 8)
ashleymills 0:714293de3836 530 | ((word32)ks[6]);
ashleymills 0:714293de3836 531 out[2*i + 1] = ((word32)ks[1] << 24)
ashleymills 0:714293de3836 532 | ((word32)ks[3] << 16)
ashleymills 0:714293de3836 533 | ((word32)ks[5] << 8)
ashleymills 0:714293de3836 534 | ((word32)ks[7]);
ashleymills 0:714293de3836 535 }
ashleymills 0:714293de3836 536
ashleymills 0:714293de3836 537 /* reverse key schedule order */
ashleymills 0:714293de3836 538 if (dir == DES_DECRYPTION)
ashleymills 0:714293de3836 539 for (i = 0; i < 16; i += 2) {
ashleymills 0:714293de3836 540 word32 swap = out[i];
ashleymills 0:714293de3836 541 out[i] = out[DES_KS_SIZE - 2 - i];
ashleymills 0:714293de3836 542 out[DES_KS_SIZE - 2 - i] = swap;
ashleymills 0:714293de3836 543
ashleymills 0:714293de3836 544 swap = out[i + 1];
ashleymills 0:714293de3836 545 out[i + 1] = out[DES_KS_SIZE - 1 - i];
ashleymills 0:714293de3836 546 out[DES_KS_SIZE - 1 - i] = swap;
ashleymills 0:714293de3836 547 }
ashleymills 0:714293de3836 548
ashleymills 0:714293de3836 549 }
ashleymills 0:714293de3836 550
ashleymills 0:714293de3836 551
ashleymills 0:714293de3836 552 static INLINE int Reverse(int dir)
ashleymills 0:714293de3836 553 {
ashleymills 0:714293de3836 554 return !dir;
ashleymills 0:714293de3836 555 }
ashleymills 0:714293de3836 556
ashleymills 0:714293de3836 557
ashleymills 0:714293de3836 558 void Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
ashleymills 0:714293de3836 559 {
ashleymills 0:714293de3836 560 DesSetKey(key, dir, des->key);
ashleymills 0:714293de3836 561
ashleymills 0:714293de3836 562 Des_SetIV(des, iv);
ashleymills 0:714293de3836 563 }
ashleymills 0:714293de3836 564
ashleymills 0:714293de3836 565
ashleymills 0:714293de3836 566 void Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
ashleymills 0:714293de3836 567 {
ashleymills 0:714293de3836 568 #ifdef HAVE_CAVIUM
ashleymills 0:714293de3836 569 if (des->magic == CYASSL_3DES_CAVIUM_MAGIC)
ashleymills 0:714293de3836 570 return Des3_CaviumSetKey(des, key, iv);
ashleymills 0:714293de3836 571 #endif
ashleymills 0:714293de3836 572
ashleymills 0:714293de3836 573 DesSetKey(key + (dir == DES_ENCRYPTION ? 0 : 16), dir, des->key[0]);
ashleymills 0:714293de3836 574 DesSetKey(key + 8, Reverse(dir), des->key[1]);
ashleymills 0:714293de3836 575 DesSetKey(key + (dir == DES_DECRYPTION ? 0 : 16), dir, des->key[2]);
ashleymills 0:714293de3836 576
ashleymills 0:714293de3836 577 Des3_SetIV(des, iv);
ashleymills 0:714293de3836 578 }
ashleymills 0:714293de3836 579
ashleymills 0:714293de3836 580
ashleymills 0:714293de3836 581 static void DesRawProcessBlock(word32* lIn, word32* rIn, const word32* kptr)
ashleymills 0:714293de3836 582 {
ashleymills 0:714293de3836 583 word32 l = *lIn, r = *rIn, i;
ashleymills 0:714293de3836 584
ashleymills 0:714293de3836 585 for (i=0; i<8; i++)
ashleymills 0:714293de3836 586 {
ashleymills 0:714293de3836 587 word32 work = rotrFixed(r, 4U) ^ kptr[4*i+0];
ashleymills 0:714293de3836 588 l ^= Spbox[6][(work) & 0x3f]
ashleymills 0:714293de3836 589 ^ Spbox[4][(work >> 8) & 0x3f]
ashleymills 0:714293de3836 590 ^ Spbox[2][(work >> 16) & 0x3f]
ashleymills 0:714293de3836 591 ^ Spbox[0][(work >> 24) & 0x3f];
ashleymills 0:714293de3836 592 work = r ^ kptr[4*i+1];
ashleymills 0:714293de3836 593 l ^= Spbox[7][(work) & 0x3f]
ashleymills 0:714293de3836 594 ^ Spbox[5][(work >> 8) & 0x3f]
ashleymills 0:714293de3836 595 ^ Spbox[3][(work >> 16) & 0x3f]
ashleymills 0:714293de3836 596 ^ Spbox[1][(work >> 24) & 0x3f];
ashleymills 0:714293de3836 597
ashleymills 0:714293de3836 598 work = rotrFixed(l, 4U) ^ kptr[4*i+2];
ashleymills 0:714293de3836 599 r ^= Spbox[6][(work) & 0x3f]
ashleymills 0:714293de3836 600 ^ Spbox[4][(work >> 8) & 0x3f]
ashleymills 0:714293de3836 601 ^ Spbox[2][(work >> 16) & 0x3f]
ashleymills 0:714293de3836 602 ^ Spbox[0][(work >> 24) & 0x3f];
ashleymills 0:714293de3836 603 work = l ^ kptr[4*i+3];
ashleymills 0:714293de3836 604 r ^= Spbox[7][(work) & 0x3f]
ashleymills 0:714293de3836 605 ^ Spbox[5][(work >> 8) & 0x3f]
ashleymills 0:714293de3836 606 ^ Spbox[3][(work >> 16) & 0x3f]
ashleymills 0:714293de3836 607 ^ Spbox[1][(work >> 24) & 0x3f];
ashleymills 0:714293de3836 608 }
ashleymills 0:714293de3836 609
ashleymills 0:714293de3836 610 *lIn = l; *rIn = r;
ashleymills 0:714293de3836 611 }
ashleymills 0:714293de3836 612
ashleymills 0:714293de3836 613
ashleymills 0:714293de3836 614 static void DesProcessBlock(Des* des, const byte* in, byte* out)
ashleymills 0:714293de3836 615 {
ashleymills 0:714293de3836 616 word32 l, r;
ashleymills 0:714293de3836 617
ashleymills 0:714293de3836 618 XMEMCPY(&l, in, sizeof(l));
ashleymills 0:714293de3836 619 XMEMCPY(&r, in + sizeof(l), sizeof(r));
ashleymills 0:714293de3836 620 #ifdef LITTLE_ENDIAN_ORDER
ashleymills 0:714293de3836 621 l = ByteReverseWord32(l);
ashleymills 0:714293de3836 622 r = ByteReverseWord32(r);
ashleymills 0:714293de3836 623 #endif
ashleymills 0:714293de3836 624 IPERM(&l,&r);
ashleymills 0:714293de3836 625
ashleymills 0:714293de3836 626 DesRawProcessBlock(&l, &r, des->key);
ashleymills 0:714293de3836 627
ashleymills 0:714293de3836 628 FPERM(&l,&r);
ashleymills 0:714293de3836 629 #ifdef LITTLE_ENDIAN_ORDER
ashleymills 0:714293de3836 630 l = ByteReverseWord32(l);
ashleymills 0:714293de3836 631 r = ByteReverseWord32(r);
ashleymills 0:714293de3836 632 #endif
ashleymills 0:714293de3836 633 XMEMCPY(out, &r, sizeof(r));
ashleymills 0:714293de3836 634 XMEMCPY(out + sizeof(r), &l, sizeof(l));
ashleymills 0:714293de3836 635 }
ashleymills 0:714293de3836 636
ashleymills 0:714293de3836 637
ashleymills 0:714293de3836 638 static void Des3ProcessBlock(Des3* des, const byte* in, byte* out)
ashleymills 0:714293de3836 639 {
ashleymills 0:714293de3836 640 word32 l, r;
ashleymills 0:714293de3836 641
ashleymills 0:714293de3836 642 XMEMCPY(&l, in, sizeof(l));
ashleymills 0:714293de3836 643 XMEMCPY(&r, in + sizeof(l), sizeof(r));
ashleymills 0:714293de3836 644 #ifdef LITTLE_ENDIAN_ORDER
ashleymills 0:714293de3836 645 l = ByteReverseWord32(l);
ashleymills 0:714293de3836 646 r = ByteReverseWord32(r);
ashleymills 0:714293de3836 647 #endif
ashleymills 0:714293de3836 648 IPERM(&l,&r);
ashleymills 0:714293de3836 649
ashleymills 0:714293de3836 650 DesRawProcessBlock(&l, &r, des->key[0]);
ashleymills 0:714293de3836 651 DesRawProcessBlock(&r, &l, des->key[1]);
ashleymills 0:714293de3836 652 DesRawProcessBlock(&l, &r, des->key[2]);
ashleymills 0:714293de3836 653
ashleymills 0:714293de3836 654 FPERM(&l,&r);
ashleymills 0:714293de3836 655 #ifdef LITTLE_ENDIAN_ORDER
ashleymills 0:714293de3836 656 l = ByteReverseWord32(l);
ashleymills 0:714293de3836 657 r = ByteReverseWord32(r);
ashleymills 0:714293de3836 658 #endif
ashleymills 0:714293de3836 659 XMEMCPY(out, &r, sizeof(r));
ashleymills 0:714293de3836 660 XMEMCPY(out + sizeof(r), &l, sizeof(l));
ashleymills 0:714293de3836 661 }
ashleymills 0:714293de3836 662
ashleymills 0:714293de3836 663
ashleymills 0:714293de3836 664 void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
ashleymills 0:714293de3836 665 {
ashleymills 0:714293de3836 666 word32 blocks = sz / DES_BLOCK_SIZE;
ashleymills 0:714293de3836 667
ashleymills 0:714293de3836 668 while (blocks--) {
ashleymills 0:714293de3836 669 xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 670 DesProcessBlock(des, (byte*)des->reg, (byte*)des->reg);
ashleymills 0:714293de3836 671 XMEMCPY(out, des->reg, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 672
ashleymills 0:714293de3836 673 out += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 674 in += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 675 }
ashleymills 0:714293de3836 676 }
ashleymills 0:714293de3836 677
ashleymills 0:714293de3836 678
ashleymills 0:714293de3836 679 void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
ashleymills 0:714293de3836 680 {
ashleymills 0:714293de3836 681 word32 blocks = sz / DES_BLOCK_SIZE;
ashleymills 0:714293de3836 682 byte hold[DES_BLOCK_SIZE];
ashleymills 0:714293de3836 683
ashleymills 0:714293de3836 684 while (blocks--) {
ashleymills 0:714293de3836 685 XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 686 DesProcessBlock(des, (byte*)des->tmp, out);
ashleymills 0:714293de3836 687 xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 688
ashleymills 0:714293de3836 689 XMEMCPY(hold, des->reg, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 690 XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 691 XMEMCPY(des->tmp, hold, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 692
ashleymills 0:714293de3836 693 out += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 694 in += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 695 }
ashleymills 0:714293de3836 696 }
ashleymills 0:714293de3836 697
ashleymills 0:714293de3836 698
ashleymills 0:714293de3836 699 void Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
ashleymills 0:714293de3836 700 {
ashleymills 0:714293de3836 701 word32 blocks;
ashleymills 0:714293de3836 702
ashleymills 0:714293de3836 703 #ifdef HAVE_CAVIUM
ashleymills 0:714293de3836 704 if (des->magic == CYASSL_3DES_CAVIUM_MAGIC)
ashleymills 0:714293de3836 705 return Des3_CaviumCbcEncrypt(des, out, in, sz);
ashleymills 0:714293de3836 706 #endif
ashleymills 0:714293de3836 707
ashleymills 0:714293de3836 708 blocks = sz / DES_BLOCK_SIZE;
ashleymills 0:714293de3836 709 while (blocks--) {
ashleymills 0:714293de3836 710 xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 711 Des3ProcessBlock(des, (byte*)des->reg, (byte*)des->reg);
ashleymills 0:714293de3836 712 XMEMCPY(out, des->reg, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 713
ashleymills 0:714293de3836 714 out += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 715 in += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 716 }
ashleymills 0:714293de3836 717 }
ashleymills 0:714293de3836 718
ashleymills 0:714293de3836 719
ashleymills 0:714293de3836 720 void Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
ashleymills 0:714293de3836 721 {
ashleymills 0:714293de3836 722 word32 blocks;
ashleymills 0:714293de3836 723
ashleymills 0:714293de3836 724 #ifdef HAVE_CAVIUM
ashleymills 0:714293de3836 725 if (des->magic == CYASSL_3DES_CAVIUM_MAGIC)
ashleymills 0:714293de3836 726 return Des3_CaviumCbcDecrypt(des, out, in, sz);
ashleymills 0:714293de3836 727 #endif
ashleymills 0:714293de3836 728
ashleymills 0:714293de3836 729 blocks = sz / DES_BLOCK_SIZE;
ashleymills 0:714293de3836 730 while (blocks--) {
ashleymills 0:714293de3836 731 XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 732 Des3ProcessBlock(des, (byte*)des->tmp, out);
ashleymills 0:714293de3836 733 xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 734 XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 735
ashleymills 0:714293de3836 736 out += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 737 in += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 738 }
ashleymills 0:714293de3836 739 }
ashleymills 0:714293de3836 740
ashleymills 0:714293de3836 741 #ifdef CYASSL_DES_ECB
ashleymills 0:714293de3836 742
ashleymills 0:714293de3836 743 /* One block, compatibility only */
ashleymills 0:714293de3836 744 void Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
ashleymills 0:714293de3836 745 {
ashleymills 0:714293de3836 746 word32 blocks = sz / DES_BLOCK_SIZE;
ashleymills 0:714293de3836 747
ashleymills 0:714293de3836 748 while (blocks--) {
ashleymills 0:714293de3836 749 DesProcessBlock(des, in, out);
ashleymills 0:714293de3836 750
ashleymills 0:714293de3836 751 out += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 752 in += DES_BLOCK_SIZE;
ashleymills 0:714293de3836 753 }
ashleymills 0:714293de3836 754 }
ashleymills 0:714293de3836 755
ashleymills 0:714293de3836 756 #endif /* CYASSL_DES_ECB */
ashleymills 0:714293de3836 757
ashleymills 0:714293de3836 758 #endif /* STM32F2_CRYPTO */
ashleymills 0:714293de3836 759
ashleymills 0:714293de3836 760 void Des_SetIV(Des* des, const byte* iv)
ashleymills 0:714293de3836 761 {
ashleymills 0:714293de3836 762 if (des && iv)
ashleymills 0:714293de3836 763 XMEMCPY(des->reg, iv, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 764 }
ashleymills 0:714293de3836 765
ashleymills 0:714293de3836 766
ashleymills 0:714293de3836 767 void Des3_SetIV(Des3* des, const byte* iv)
ashleymills 0:714293de3836 768 {
ashleymills 0:714293de3836 769 if (des && iv)
ashleymills 0:714293de3836 770 XMEMCPY(des->reg, iv, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 771 }
ashleymills 0:714293de3836 772
ashleymills 0:714293de3836 773
ashleymills 0:714293de3836 774 #ifdef HAVE_CAVIUM
ashleymills 0:714293de3836 775
ashleymills 0:714293de3836 776 #include <cyassl/ctaocrypt/logging.h>
ashleymills 0:714293de3836 777 #include "cavium_common.h"
ashleymills 0:714293de3836 778
ashleymills 0:714293de3836 779 /* Initiliaze Des3 for use with Nitrox device */
ashleymills 0:714293de3836 780 int Des3_InitCavium(Des3* des3, int devId)
ashleymills 0:714293de3836 781 {
ashleymills 0:714293de3836 782 if (des3 == NULL)
ashleymills 0:714293de3836 783 return -1;
ashleymills 0:714293de3836 784
ashleymills 0:714293de3836 785 if (CspAllocContext(CONTEXT_SSL, &des3->contextHandle, devId) != 0)
ashleymills 0:714293de3836 786 return -1;
ashleymills 0:714293de3836 787
ashleymills 0:714293de3836 788 des3->devId = devId;
ashleymills 0:714293de3836 789 des3->magic = CYASSL_3DES_CAVIUM_MAGIC;
ashleymills 0:714293de3836 790
ashleymills 0:714293de3836 791 return 0;
ashleymills 0:714293de3836 792 }
ashleymills 0:714293de3836 793
ashleymills 0:714293de3836 794
ashleymills 0:714293de3836 795 /* Free Des3 from use with Nitrox device */
ashleymills 0:714293de3836 796 void Des3_FreeCavium(Des3* des3)
ashleymills 0:714293de3836 797 {
ashleymills 0:714293de3836 798 if (des3 == NULL)
ashleymills 0:714293de3836 799 return;
ashleymills 0:714293de3836 800
ashleymills 0:714293de3836 801 if (des3->magic != CYASSL_3DES_CAVIUM_MAGIC)
ashleymills 0:714293de3836 802 return;
ashleymills 0:714293de3836 803
ashleymills 0:714293de3836 804 CspFreeContext(CONTEXT_SSL, des3->contextHandle, des3->devId);
ashleymills 0:714293de3836 805 des3->magic = 0;
ashleymills 0:714293de3836 806 }
ashleymills 0:714293de3836 807
ashleymills 0:714293de3836 808
ashleymills 0:714293de3836 809 static void Des3_CaviumSetKey(Des3* des3, const byte* key, const byte* iv)
ashleymills 0:714293de3836 810 {
ashleymills 0:714293de3836 811 if (des3 == NULL)
ashleymills 0:714293de3836 812 return;
ashleymills 0:714293de3836 813
ashleymills 0:714293de3836 814 /* key[0] holds key, iv in reg */
ashleymills 0:714293de3836 815 XMEMCPY(des3->key[0], key, DES_BLOCK_SIZE*3);
ashleymills 0:714293de3836 816
ashleymills 0:714293de3836 817 Des3_SetIV(des3, iv);
ashleymills 0:714293de3836 818 }
ashleymills 0:714293de3836 819
ashleymills 0:714293de3836 820
ashleymills 0:714293de3836 821 static void Des3_CaviumCbcEncrypt(Des3* des3, byte* out, const byte* in,
ashleymills 0:714293de3836 822 word32 length)
ashleymills 0:714293de3836 823 {
ashleymills 0:714293de3836 824 word offset = 0;
ashleymills 0:714293de3836 825 word32 requestId;
ashleymills 0:714293de3836 826
ashleymills 0:714293de3836 827 while (length > CYASSL_MAX_16BIT) {
ashleymills 0:714293de3836 828 word16 slen = (word16)CYASSL_MAX_16BIT;
ashleymills 0:714293de3836 829 if (CspEncrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
ashleymills 0:714293de3836 830 CAVIUM_NO_UPDATE, slen, (byte*)in + offset,
ashleymills 0:714293de3836 831 out + offset, (byte*)des3->reg, (byte*)des3->key[0],
ashleymills 0:714293de3836 832 &requestId, des3->devId) != 0) {
ashleymills 0:714293de3836 833 CYASSL_MSG("Bad Cavium 3DES Cbc Encrypt");
ashleymills 0:714293de3836 834 }
ashleymills 0:714293de3836 835 length -= CYASSL_MAX_16BIT;
ashleymills 0:714293de3836 836 offset += CYASSL_MAX_16BIT;
ashleymills 0:714293de3836 837 XMEMCPY(des3->reg, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 838 }
ashleymills 0:714293de3836 839 if (length) {
ashleymills 0:714293de3836 840 word16 slen = (word16)length;
ashleymills 0:714293de3836 841
ashleymills 0:714293de3836 842 if (CspEncrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
ashleymills 0:714293de3836 843 CAVIUM_NO_UPDATE, slen, (byte*)in + offset,
ashleymills 0:714293de3836 844 out + offset, (byte*)des3->reg, (byte*)des3->key[0],
ashleymills 0:714293de3836 845 &requestId, des3->devId) != 0) {
ashleymills 0:714293de3836 846 CYASSL_MSG("Bad Cavium 3DES Cbc Encrypt");
ashleymills 0:714293de3836 847 }
ashleymills 0:714293de3836 848 XMEMCPY(des3->reg, out+offset+length - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 849 }
ashleymills 0:714293de3836 850 }
ashleymills 0:714293de3836 851
ashleymills 0:714293de3836 852 static void Des3_CaviumCbcDecrypt(Des3* des3, byte* out, const byte* in,
ashleymills 0:714293de3836 853 word32 length)
ashleymills 0:714293de3836 854 {
ashleymills 0:714293de3836 855 word32 requestId;
ashleymills 0:714293de3836 856 word offset = 0;
ashleymills 0:714293de3836 857
ashleymills 0:714293de3836 858 while (length > CYASSL_MAX_16BIT) {
ashleymills 0:714293de3836 859 word16 slen = (word16)CYASSL_MAX_16BIT;
ashleymills 0:714293de3836 860 XMEMCPY(des3->tmp, in + offset + slen - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 861 if (CspDecrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
ashleymills 0:714293de3836 862 CAVIUM_NO_UPDATE, slen, (byte*)in+offset, out+offset,
ashleymills 0:714293de3836 863 (byte*)des3->reg, (byte*)des3->key[0], &requestId,
ashleymills 0:714293de3836 864 des3->devId) != 0) {
ashleymills 0:714293de3836 865 CYASSL_MSG("Bad Cavium 3Des Decrypt");
ashleymills 0:714293de3836 866 }
ashleymills 0:714293de3836 867 length -= CYASSL_MAX_16BIT;
ashleymills 0:714293de3836 868 offset += CYASSL_MAX_16BIT;
ashleymills 0:714293de3836 869 XMEMCPY(des3->reg, des3->tmp, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 870 }
ashleymills 0:714293de3836 871 if (length) {
ashleymills 0:714293de3836 872 word16 slen = (word16)length;
ashleymills 0:714293de3836 873 XMEMCPY(des3->tmp, in + offset + slen - DES_BLOCK_SIZE,DES_BLOCK_SIZE);
ashleymills 0:714293de3836 874 if (CspDecrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
ashleymills 0:714293de3836 875 CAVIUM_NO_UPDATE, slen, (byte*)in+offset, out+offset,
ashleymills 0:714293de3836 876 (byte*)des3->reg, (byte*)des3->key[0], &requestId,
ashleymills 0:714293de3836 877 des3->devId) != 0) {
ashleymills 0:714293de3836 878 CYASSL_MSG("Bad Cavium 3Des Decrypt");
ashleymills 0:714293de3836 879 }
ashleymills 0:714293de3836 880 XMEMCPY(des3->reg, des3->tmp, DES_BLOCK_SIZE);
ashleymills 0:714293de3836 881 }
ashleymills 0:714293de3836 882 }
ashleymills 0:714293de3836 883
ashleymills 0:714293de3836 884 #endif /* HAVE_CAVIUM */
ashleymills 0:714293de3836 885
ashleymills 0:714293de3836 886 #endif /* NO_DES3 */