[164] | 1 | /* des.h
|
---|
| 2 | *
|
---|
| 3 | * Copyright (C) 2015 wolfSSL Inc.
|
---|
| 4 | *
|
---|
| 5 | * This file is part of wolfSSL. (formerly known as wolfSSL)
|
---|
| 6 | *
|
---|
| 7 | * wolfSSL is free software; you can redistribute it and/or modify
|
---|
| 8 | * it under the terms of the GNU General Public License as published by
|
---|
| 9 | * the Free Software Foundation; either version 2 of the License, or
|
---|
| 10 | * (at your option) any later version.
|
---|
| 11 | *
|
---|
| 12 | * wolfSSL is distributed in the hope that it will be useful,
|
---|
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
| 15 | * GNU General Public License for more details.
|
---|
| 16 | *
|
---|
| 17 | * You should have received a copy of the GNU General Public License
|
---|
| 18 | * along with this program; if not, write to the Free Software
|
---|
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
---|
| 20 | */
|
---|
| 21 |
|
---|
| 22 |
|
---|
| 23 | /* des.h defines mini des openssl compatibility layer
|
---|
| 24 | *
|
---|
| 25 | */
|
---|
| 26 |
|
---|
| 27 |
|
---|
| 28 | #ifndef WOLFSSL_DES_H_
|
---|
| 29 | #define WOLFSSL_DES_H_
|
---|
| 30 |
|
---|
| 31 | #include <wolfssl/wolfcrypt/settings.h>
|
---|
| 32 |
|
---|
| 33 | #ifndef NO_DES3
|
---|
| 34 |
|
---|
| 35 | #ifdef WOLFSSL_PREFIX
|
---|
| 36 | #include "prefix_des.h"
|
---|
| 37 | #endif
|
---|
| 38 |
|
---|
| 39 |
|
---|
| 40 | #ifdef __cplusplus
|
---|
| 41 | extern "C" {
|
---|
| 42 | #endif
|
---|
| 43 |
|
---|
| 44 | typedef unsigned char WOLFSSL_DES_cblock[8];
|
---|
| 45 | typedef /* const */ WOLFSSL_DES_cblock WOLFSSL_const_DES_cblock;
|
---|
| 46 | typedef WOLFSSL_DES_cblock WOLFSSL_DES_key_schedule;
|
---|
| 47 |
|
---|
| 48 |
|
---|
| 49 | enum {
|
---|
| 50 | DES_ENCRYPT = 1,
|
---|
| 51 | DES_DECRYPT = 0
|
---|
| 52 | };
|
---|
| 53 |
|
---|
| 54 |
|
---|
| 55 | WOLFSSL_API void wolfSSL_DES_set_key_unchecked(WOLFSSL_const_DES_cblock*,
|
---|
| 56 | WOLFSSL_DES_key_schedule*);
|
---|
| 57 | WOLFSSL_API int wolfSSL_DES_key_sched(WOLFSSL_const_DES_cblock* key,
|
---|
| 58 | WOLFSSL_DES_key_schedule* schedule);
|
---|
| 59 | WOLFSSL_API void wolfSSL_DES_cbc_encrypt(const unsigned char* input,
|
---|
| 60 | unsigned char* output, long length,
|
---|
| 61 | WOLFSSL_DES_key_schedule* schedule, WOLFSSL_DES_cblock* ivec,
|
---|
| 62 | int enc);
|
---|
| 63 | WOLFSSL_API void wolfSSL_DES_ncbc_encrypt(const unsigned char* input,
|
---|
| 64 | unsigned char* output, long length,
|
---|
| 65 | WOLFSSL_DES_key_schedule* schedule,
|
---|
| 66 | WOLFSSL_DES_cblock* ivec, int enc);
|
---|
| 67 |
|
---|
| 68 | WOLFSSL_API void wolfSSL_DES_set_odd_parity(WOLFSSL_DES_cblock*);
|
---|
| 69 | WOLFSSL_API void wolfSSL_DES_ecb_encrypt(WOLFSSL_DES_cblock*, WOLFSSL_DES_cblock*,
|
---|
| 70 | WOLFSSL_DES_key_schedule*, int);
|
---|
| 71 |
|
---|
| 72 |
|
---|
| 73 | typedef WOLFSSL_DES_cblock DES_cblock;
|
---|
| 74 | typedef WOLFSSL_const_DES_cblock const_DES_cblock;
|
---|
| 75 | typedef WOLFSSL_DES_key_schedule DES_key_schedule;
|
---|
| 76 |
|
---|
| 77 | #define DES_set_key_unchecked wolfSSL_DES_set_key_unchecked
|
---|
| 78 | #define DES_key_sched wolfSSL_DES_key_sched
|
---|
| 79 | #define DES_cbc_encrypt wolfSSL_DES_cbc_encrypt
|
---|
| 80 | #define DES_ncbc_encrypt wolfSSL_DES_ncbc_encrypt
|
---|
| 81 | #define DES_set_odd_parity wolfSSL_DES_set_odd_parity
|
---|
| 82 | #define DES_ecb_encrypt wolfSSL_DES_ecb_encrypt
|
---|
| 83 | #define DES_ede3_cbc_encrypt(input, output, sz, ks1, ks2, ks3, ivec, enc) \
|
---|
| 84 | do { \
|
---|
| 85 | Des3 des; \
|
---|
| 86 | byte key[24];/* EDE uses 24 size key */ \
|
---|
| 87 | memcpy(key, (ks1), DES_BLOCK_SIZE); \
|
---|
| 88 | memcpy(&key[DES_BLOCK_SIZE], (ks2), DES_BLOCK_SIZE); \
|
---|
| 89 | memcpy(&key[DES_BLOCK_SIZE * 2], (ks3), DES_BLOCK_SIZE); \
|
---|
| 90 | if (enc) { \
|
---|
| 91 | wc_Des3_SetKey(&des, key, (const byte*)(ivec), DES_ENCRYPTION); \
|
---|
| 92 | wc_Des3_CbcEncrypt(&des, (output), (input), (sz)); \
|
---|
| 93 | } \
|
---|
| 94 | else { \
|
---|
| 95 | wc_Des3_SetKey(&des, key, (const byte*)(ivec), DES_ENCRYPTION); \
|
---|
| 96 | wc_Des3_CbcDecrypt(&des, (output), (input), (sz)); \
|
---|
| 97 | } \
|
---|
| 98 | } while(0)
|
---|
| 99 |
|
---|
| 100 | #ifdef __cplusplus
|
---|
| 101 | } /* extern "C" */
|
---|
| 102 | #endif
|
---|
| 103 |
|
---|
| 104 | #endif /* NO_DES3 */
|
---|
| 105 |
|
---|
| 106 | #endif /* WOLFSSL_DES_H_ */
|
---|