1 /* des.h 2 * 3 * Copyright (C) 2006-2021 wolfSSL Inc. 4 * 5 * This file is part of 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 02110-1335, USA 20 */ 21 22 23 24 /* des.h defines mini des openssl compatibility layer 25 * 26 */ 27 28 29 #ifndef WOLFSSL_DES_H_ 30 #define WOLFSSL_DES_H_ 31 32 #include <wolfssl/wolfcrypt/settings.h> 33 34 #ifndef NO_DES3 35 36 #ifdef WOLFSSL_PREFIX 37 #include "prefix_des.h" 38 #endif 39 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 typedef unsigned char WOLFSSL_DES_cblock[8]; 46 typedef /* const */ WOLFSSL_DES_cblock WOLFSSL_const_DES_cblock; 47 typedef WOLFSSL_DES_cblock WOLFSSL_DES_key_schedule; 48 typedef unsigned int WOLFSSL_DES_LONG; 49 50 51 enum { 52 DES_ENCRYPT = 1, 53 DES_DECRYPT = 0 54 }; 55 56 57 WOLFSSL_API int wolfSSL_DES_is_weak_key(WOLFSSL_const_DES_cblock* key); 58 WOLFSSL_API WOLFSSL_DES_LONG wolfSSL_DES_cbc_cksum(const unsigned char* in, 59 WOLFSSL_DES_cblock* out, long length, WOLFSSL_DES_key_schedule* sc, 60 WOLFSSL_const_DES_cblock* iv); 61 WOLFSSL_API int wolfSSL_DES_set_key(WOLFSSL_const_DES_cblock* myDes, 62 WOLFSSL_DES_key_schedule* key); 63 WOLFSSL_API int wolfSSL_DES_set_key_checked(WOLFSSL_const_DES_cblock* myDes, 64 WOLFSSL_DES_key_schedule* key); 65 WOLFSSL_API void wolfSSL_DES_set_key_unchecked(WOLFSSL_const_DES_cblock*, 66 WOLFSSL_DES_key_schedule*); 67 WOLFSSL_API int wolfSSL_DES_key_sched(WOLFSSL_const_DES_cblock* key, 68 WOLFSSL_DES_key_schedule* schedule); 69 WOLFSSL_API void wolfSSL_DES_cbc_encrypt(const unsigned char* input, 70 unsigned char* output, long length, 71 WOLFSSL_DES_key_schedule* schedule, WOLFSSL_DES_cblock* ivec, 72 int enc); 73 WOLFSSL_API void wolfSSL_DES_ede3_cbc_encrypt(const unsigned char* input, 74 unsigned char* output, long sz, 75 WOLFSSL_DES_key_schedule* ks1, 76 WOLFSSL_DES_key_schedule* ks2, 77 WOLFSSL_DES_key_schedule* ks3, 78 WOLFSSL_DES_cblock* ivec, int enc); 79 WOLFSSL_API void wolfSSL_DES_ncbc_encrypt(const unsigned char* input, 80 unsigned char* output, long length, 81 WOLFSSL_DES_key_schedule* schedule, 82 WOLFSSL_DES_cblock* ivec, int enc); 83 84 WOLFSSL_API void wolfSSL_DES_set_odd_parity(WOLFSSL_DES_cblock*); 85 WOLFSSL_API void wolfSSL_DES_ecb_encrypt(WOLFSSL_DES_cblock*, WOLFSSL_DES_cblock*, 86 WOLFSSL_DES_key_schedule*, int); 87 WOLFSSL_API int wolfSSL_DES_check_key_parity(WOLFSSL_DES_cblock*); 88 89 90 typedef WOLFSSL_DES_cblock DES_cblock; 91 typedef WOLFSSL_const_DES_cblock const_DES_cblock; 92 typedef WOLFSSL_DES_key_schedule DES_key_schedule; 93 typedef WOLFSSL_DES_LONG DES_LONG; 94 95 #define DES_check_key(x) /* Define WOLFSSL_CHECK_DESKEY to check key */ 96 #define DES_is_weak_key wolfSSL_DES_is_weak_key 97 #define DES_set_key wolfSSL_DES_set_key 98 #define DES_set_key_checked wolfSSL_DES_set_key_checked 99 #define DES_set_key_unchecked wolfSSL_DES_set_key_unchecked 100 #define DES_key_sched wolfSSL_DES_key_sched 101 #define DES_cbc_encrypt wolfSSL_DES_cbc_encrypt 102 #define DES_ncbc_encrypt wolfSSL_DES_ncbc_encrypt 103 #define DES_set_odd_parity wolfSSL_DES_set_odd_parity 104 #define DES_ecb_encrypt wolfSSL_DES_ecb_encrypt 105 #define DES_ede3_cbc_encrypt wolfSSL_DES_ede3_cbc_encrypt 106 #define DES_cbc_cksum wolfSSL_DES_cbc_cksum 107 #define DES_check_key_parity wolfSSL_DES_check_key_parity 108 109 #ifdef __cplusplus 110 } /* extern "C" */ 111 #endif 112 113 #endif /* NO_DES3 */ 114 115 #endif /* WOLFSSL_DES_H_ */ 116