[164] | 1 | /* des3.h
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| 2 | *
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| 3 | * Copyright (C) 2006-2015 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL. (formerly known as CyaSSL)
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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| 20 | */
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| 21 |
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| 22 | #ifndef WOLF_CRYPT_DES3_H
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| 23 | #define WOLF_CRYPT_DES3_H
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| 24 |
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| 25 | #include <wolfssl/wolfcrypt/types.h>
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| 26 |
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| 27 | #ifndef NO_DES3
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| 28 |
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| 29 | #ifdef HAVE_FIPS
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| 30 | /* included for fips @wc_fips */
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| 31 | #include <cyassl/ctaocrypt/des3.h>
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| 32 | #endif
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| 33 |
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| 34 | #ifdef __cplusplus
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| 35 | extern "C" {
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| 36 | #endif
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| 37 |
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| 38 | #ifndef HAVE_FIPS /* to avoid redifinition of macros */
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| 39 | #define WOLFSSL_3DES_CAVIUM_MAGIC 0xBEEF0003
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| 40 |
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| 41 | enum {
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| 42 | DES_ENC_TYPE = 2, /* cipher unique type */
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| 43 | DES3_ENC_TYPE = 3, /* cipher unique type */
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| 44 | DES_BLOCK_SIZE = 8,
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| 45 | DES_KS_SIZE = 32,
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| 46 |
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| 47 | DES_ENCRYPTION = 0,
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| 48 | DES_DECRYPTION = 1
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| 49 | };
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| 50 |
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| 51 | #define DES_IVLEN 8
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| 52 | #define DES_KEYLEN 8
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| 53 | #define DES3_IVLEN 8
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| 54 | #define DES3_KEYLEN 24
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| 55 |
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| 56 |
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| 57 | #ifdef STM32F2_CRYPTO
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| 58 | enum {
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| 59 | DES_CBC = 0,
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| 60 | DES_ECB = 1
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| 61 | };
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| 62 | #endif
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| 63 |
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| 64 |
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| 65 | /* DES encryption and decryption */
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| 66 | typedef struct Des {
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| 67 | word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
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| 68 | word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */
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| 69 | word32 key[DES_KS_SIZE];
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| 70 | } Des;
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| 71 |
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| 72 |
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| 73 | /* DES3 encryption and decryption */
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| 74 | typedef struct Des3 {
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| 75 | word32 key[3][DES_KS_SIZE];
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| 76 | word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
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| 77 | word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */
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| 78 | #ifdef HAVE_CAVIUM
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| 79 | int devId; /* nitrox device id */
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| 80 | word32 magic; /* using cavium magic */
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| 81 | word64 contextHandle; /* nitrox context memory handle */
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| 82 | #endif
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| 83 | } Des3;
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| 84 | #endif /* HAVE_FIPS */
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| 85 |
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| 86 | WOLFSSL_API int wc_Des_SetKey(Des* des, const byte* key,
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| 87 | const byte* iv, int dir);
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| 88 | WOLFSSL_API void wc_Des_SetIV(Des* des, const byte* iv);
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| 89 | WOLFSSL_API int wc_Des_CbcEncrypt(Des* des, byte* out,
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| 90 | const byte* in, word32 sz);
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| 91 | WOLFSSL_API int wc_Des_CbcDecrypt(Des* des, byte* out,
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| 92 | const byte* in, word32 sz);
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| 93 | WOLFSSL_API int wc_Des_EcbEncrypt(Des* des, byte* out,
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| 94 | const byte* in, word32 sz);
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| 95 |
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| 96 | WOLFSSL_API int wc_Des3_SetKey(Des3* des, const byte* key,
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| 97 | const byte* iv,int dir);
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| 98 | WOLFSSL_API int wc_Des3_SetIV(Des3* des, const byte* iv);
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| 99 | WOLFSSL_API int wc_Des3_CbcEncrypt(Des3* des, byte* out,
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| 100 | const byte* in,word32 sz);
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| 101 | WOLFSSL_API int wc_Des3_CbcDecrypt(Des3* des, byte* out,
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| 102 | const byte* in,word32 sz);
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| 103 |
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| 104 | #ifdef HAVE_CAVIUM
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| 105 | WOLFSSL_API int wc_Des3_InitCavium(Des3*, int);
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| 106 | WOLFSSL_API void wc_Des3_FreeCavium(Des3*);
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| 107 | #endif
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| 108 |
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| 109 | #ifdef __cplusplus
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| 110 | } /* extern "C" */
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| 111 | #endif
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| 112 |
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| 113 | #endif /* NO_DES3 */
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| 114 | #endif /* WOLF_CRYPT_DES3_H */
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| 115 |
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