1/* 2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10#ifndef OPENSSL_DES_H 11# define OPENSSL_DES_H 12# pragma once 13 14# include <openssl/macros.h> 15# ifndef OPENSSL_NO_DEPRECATED_3_0 16# define HEADER_DES_H 17# endif 18 19# include <openssl/opensslconf.h> 20 21# ifndef OPENSSL_NO_DES 22# ifdef __cplusplus 23extern "C" { 24# endif 25# include <openssl/e_os2.h> 26 27# ifndef OPENSSL_NO_DEPRECATED_3_0 28typedef unsigned int DES_LONG; 29 30# ifdef OPENSSL_BUILD_SHLIBCRYPTO 31# undef OPENSSL_EXTERN 32# define OPENSSL_EXTERN OPENSSL_EXPORT 33# endif 34 35typedef unsigned char DES_cblock[8]; 36typedef /* const */ unsigned char const_DES_cblock[8]; 37/* 38 * With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * and 39 * const_DES_cblock * are incompatible pointer types. 40 */ 41 42typedef struct DES_ks { 43 union { 44 DES_cblock cblock; 45 /* 46 * make sure things are correct size on machines with 8 byte longs 47 */ 48 DES_LONG deslong[2]; 49 } ks[16]; 50} DES_key_schedule; 51 52# define DES_KEY_SZ (sizeof(DES_cblock)) 53# define DES_SCHEDULE_SZ (sizeof(DES_key_schedule)) 54 55# define DES_ENCRYPT 1 56# define DES_DECRYPT 0 57 58# define DES_CBC_MODE 0 59# define DES_PCBC_MODE 1 60 61# define DES_ecb2_encrypt(i,o,k1,k2,e) \ 62 DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) 63 64# define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ 65 DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) 66 67# define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ 68 DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) 69 70# define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ 71 DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) 72 73# define DES_fixup_key_parity DES_set_odd_parity 74# endif 75# ifndef OPENSSL_NO_DEPRECATED_3_0 76OSSL_DEPRECATEDIN_3_0 const char *DES_options(void); 77OSSL_DEPRECATEDIN_3_0 78void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output, 79 DES_key_schedule *ks1, DES_key_schedule *ks2, 80 DES_key_schedule *ks3, int enc); 81OSSL_DEPRECATEDIN_3_0 82DES_LONG DES_cbc_cksum(const unsigned char *input, DES_cblock *output, 83 long length, DES_key_schedule *schedule, 84 const_DES_cblock *ivec); 85# endif 86/* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */ 87# ifndef OPENSSL_NO_DEPRECATED_3_0 88OSSL_DEPRECATEDIN_3_0 89void DES_cbc_encrypt(const unsigned char *input, unsigned char *output, 90 long length, DES_key_schedule *schedule, DES_cblock *ivec, 91 int enc); 92OSSL_DEPRECATEDIN_3_0 93void DES_ncbc_encrypt(const unsigned char *input, unsigned char *output, 94 long length, DES_key_schedule *schedule, DES_cblock *ivec, 95 int enc); 96OSSL_DEPRECATEDIN_3_0 97void DES_xcbc_encrypt(const unsigned char *input, unsigned char *output, 98 long length, DES_key_schedule *schedule, DES_cblock *ivec, 99 const_DES_cblock *inw, const_DES_cblock *outw, int enc); 100OSSL_DEPRECATEDIN_3_0 101void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits, 102 long length, DES_key_schedule *schedule, DES_cblock *ivec, 103 int enc); 104OSSL_DEPRECATEDIN_3_0 105void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output, 106 DES_key_schedule *ks, int enc); 107# endif 108 109/* 110 * This is the DES encryption function that gets called by just about every 111 * other DES routine in the library. You should not use this function except 112 * to implement 'modes' of DES. I say this because the functions that call 113 * this routine do the conversion from 'char *' to long, and this needs to be 114 * done to make sure 'non-aligned' memory access do not occur. The 115 * characters are loaded 'little endian'. Data is a pointer to 2 unsigned 116 * long's and ks is the DES_key_schedule to use. enc, is non zero specifies 117 * encryption, zero if decryption. 118 */ 119# ifndef OPENSSL_NO_DEPRECATED_3_0 120OSSL_DEPRECATEDIN_3_0 121void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc); 122# endif 123 124/* 125 * This functions is the same as DES_encrypt1() except that the DES initial 126 * permutation (IP) and final permutation (FP) have been left out. As for 127 * DES_encrypt1(), you should not use this function. It is used by the 128 * routines in the library that implement triple DES. IP() DES_encrypt2() 129 * DES_encrypt2() DES_encrypt2() FP() is the same as DES_encrypt1() 130 * DES_encrypt1() DES_encrypt1() except faster :-). 131 */ 132# ifndef OPENSSL_NO_DEPRECATED_3_0 133OSSL_DEPRECATEDIN_3_0 134void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc); 135OSSL_DEPRECATEDIN_3_0 136void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1, DES_key_schedule *ks2, 137 DES_key_schedule *ks3); 138OSSL_DEPRECATEDIN_3_0 139void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1, DES_key_schedule *ks2, 140 DES_key_schedule *ks3); 141OSSL_DEPRECATEDIN_3_0 142void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output, 143 long length, DES_key_schedule *ks1, 144 DES_key_schedule *ks2, DES_key_schedule *ks3, 145 DES_cblock *ivec, int enc); 146OSSL_DEPRECATEDIN_3_0 147void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out, 148 long length, DES_key_schedule *ks1, 149 DES_key_schedule *ks2, DES_key_schedule *ks3, 150 DES_cblock *ivec, int *num, int enc); 151OSSL_DEPRECATEDIN_3_0 152void DES_ede3_cfb_encrypt(const unsigned char *in, unsigned char *out, 153 int numbits, long length, DES_key_schedule *ks1, 154 DES_key_schedule *ks2, DES_key_schedule *ks3, 155 DES_cblock *ivec, int enc); 156OSSL_DEPRECATEDIN_3_0 157void DES_ede3_ofb64_encrypt(const unsigned char *in, unsigned char *out, 158 long length, DES_key_schedule *ks1, 159 DES_key_schedule *ks2, DES_key_schedule *ks3, 160 DES_cblock *ivec, int *num); 161OSSL_DEPRECATEDIN_3_0 162char *DES_fcrypt(const char *buf, const char *salt, char *ret); 163OSSL_DEPRECATEDIN_3_0 164char *DES_crypt(const char *buf, const char *salt); 165OSSL_DEPRECATEDIN_3_0 166void DES_ofb_encrypt(const unsigned char *in, unsigned char *out, int numbits, 167 long length, DES_key_schedule *schedule, DES_cblock *ivec); 168OSSL_DEPRECATEDIN_3_0 169void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output, 170 long length, DES_key_schedule *schedule, 171 DES_cblock *ivec, int enc); 172OSSL_DEPRECATEDIN_3_0 173DES_LONG DES_quad_cksum(const unsigned char *input, DES_cblock output[], 174 long length, int out_count, DES_cblock *seed); 175OSSL_DEPRECATEDIN_3_0 int DES_random_key(DES_cblock *ret); 176OSSL_DEPRECATEDIN_3_0 void DES_set_odd_parity(DES_cblock *key); 177OSSL_DEPRECATEDIN_3_0 int DES_check_key_parity(const_DES_cblock *key); 178OSSL_DEPRECATEDIN_3_0 int DES_is_weak_key(const_DES_cblock *key); 179# endif 180/* 181 * DES_set_key (= set_key = DES_key_sched = key_sched) calls 182 * DES_set_key_checked 183 */ 184# ifndef OPENSSL_NO_DEPRECATED_3_0 185OSSL_DEPRECATEDIN_3_0 186int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule); 187OSSL_DEPRECATEDIN_3_0 188int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule); 189OSSL_DEPRECATEDIN_3_0 190int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule); 191OSSL_DEPRECATEDIN_3_0 192void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule); 193OSSL_DEPRECATEDIN_3_0 void DES_string_to_key(const char *str, DES_cblock *key); 194OSSL_DEPRECATEDIN_3_0 195void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2); 196OSSL_DEPRECATEDIN_3_0 197void DES_cfb64_encrypt(const unsigned char *in, unsigned char *out, 198 long length, DES_key_schedule *schedule, 199 DES_cblock *ivec, int *num, int enc); 200OSSL_DEPRECATEDIN_3_0 201void DES_ofb64_encrypt(const unsigned char *in, unsigned char *out, 202 long length, DES_key_schedule *schedule, 203 DES_cblock *ivec, int *num); 204# endif 205 206# ifdef __cplusplus 207} 208# endif 209# endif 210 211#endif 212