des.h revision 55715
1/* crypto/des/des.h */ 2/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59#ifndef HEADER_DES_H 60#define HEADER_DES_H 61 62#ifdef __cplusplus 63extern "C" { 64#endif 65 66#ifdef NO_DES 67#error DES is disabled. 68#endif 69 70#ifdef _KERBEROS_DES_H 71#error <openssl/des.h> replaces <kerberos/des.h>. 72#endif 73 74#include <stdio.h> 75#include <openssl/opensslconf.h> /* DES_LONG */ 76#include <openssl/e_os2.h> /* OPENSSL_EXTERN */ 77 78typedef unsigned char des_cblock[8]; 79typedef /* const */ unsigned char const_des_cblock[8]; 80/* With "const", gcc 2.8.1 on Solaris thinks that des_cblock * 81 * and const_des_cblock * are incompatible pointer types. 82 * I haven't seen that warning on other systems ... I'll look 83 * what the standard says. */ 84 85 86typedef struct des_ks_struct 87 { 88 union { 89 des_cblock cblock; 90 /* make sure things are correct size on machines with 91 * 8 byte longs */ 92 DES_LONG deslong[2]; 93 } ks; 94 int weak_key; 95 } des_key_schedule[16]; 96 97#define DES_KEY_SZ (sizeof(des_cblock)) 98#define DES_SCHEDULE_SZ (sizeof(des_key_schedule)) 99 100#define DES_ENCRYPT 1 101#define DES_DECRYPT 0 102 103#define DES_CBC_MODE 0 104#define DES_PCBC_MODE 1 105 106#define des_ecb2_encrypt(i,o,k1,k2,e) \ 107 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) 108 109#define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ 110 des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) 111 112#define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ 113 des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) 114 115#define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ 116 des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) 117 118OPENSSL_EXTERN int des_check_key; /* defaults to false */ 119OPENSSL_EXTERN int des_rw_mode; /* defaults to DES_PCBC_MODE */ 120OPENSSL_EXTERN int des_set_weak_key_flag; /* set the weak key flag */ 121 122const char *des_options(void); 123void des_ecb3_encrypt(const_des_cblock *input, des_cblock *output, 124 des_key_schedule ks1,des_key_schedule ks2, 125 des_key_schedule ks3, int enc); 126DES_LONG des_cbc_cksum(const unsigned char *input,des_cblock *output, 127 long length,des_key_schedule schedule, 128 const_des_cblock *ivec); 129/* des_cbc_encrypt does not update the IV! Use des_ncbc_encrypt instead. */ 130void des_cbc_encrypt(const unsigned char *input,unsigned char *output, 131 long length,des_key_schedule schedule,des_cblock *ivec, 132 int enc); 133void des_ncbc_encrypt(const unsigned char *input,unsigned char *output, 134 long length,des_key_schedule schedule,des_cblock *ivec, 135 int enc); 136void des_xcbc_encrypt(const unsigned char *input,unsigned char *output, 137 long length,des_key_schedule schedule,des_cblock *ivec, 138 const_des_cblock *inw,const_des_cblock *outw,int enc); 139void des_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits, 140 long length,des_key_schedule schedule,des_cblock *ivec, 141 int enc); 142void des_ecb_encrypt(const_des_cblock *input,des_cblock *output, 143 des_key_schedule ks,int enc); 144void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc); 145void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc); 146void des_encrypt3(DES_LONG *data, des_key_schedule ks1, 147 des_key_schedule ks2, des_key_schedule ks3); 148void des_decrypt3(DES_LONG *data, des_key_schedule ks1, 149 des_key_schedule ks2, des_key_schedule ks3); 150void des_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output, 151 long length, 152 des_key_schedule ks1,des_key_schedule ks2, 153 des_key_schedule ks3,des_cblock *ivec,int enc); 154void des_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out, 155 long length, 156 des_key_schedule ks1,des_key_schedule ks2, 157 des_key_schedule ks3, 158 des_cblock *ivec1,des_cblock *ivec2, 159 int enc); 160void des_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out, 161 long length,des_key_schedule ks1, 162 des_key_schedule ks2,des_key_schedule ks3, 163 des_cblock *ivec,int *num,int enc); 164void des_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out, 165 long length,des_key_schedule ks1, 166 des_key_schedule ks2,des_key_schedule ks3, 167 des_cblock *ivec,int *num); 168 169void des_xwhite_in2out(const_des_cblock *des_key,const_des_cblock *in_white, 170 des_cblock *out_white); 171 172int des_enc_read(int fd,void *buf,int len,des_key_schedule sched, 173 des_cblock *iv); 174int des_enc_write(int fd,const void *buf,int len,des_key_schedule sched, 175 des_cblock *iv); 176char *des_fcrypt(const char *buf,const char *salt, char *ret); 177char *des_crypt(const char *buf,const char *salt); 178#if !defined(PERL5) && !defined(__FreeBSD__) && !defined(NeXT) 179char *crypt(const char *buf,const char *salt); 180#endif 181void des_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits, 182 long length,des_key_schedule schedule,des_cblock *ivec); 183void des_pcbc_encrypt(const unsigned char *input,unsigned char *output, 184 long length,des_key_schedule schedule,des_cblock *ivec, 185 int enc); 186DES_LONG des_quad_cksum(const unsigned char *input,des_cblock output[], 187 long length,int out_count,des_cblock *seed); 188void des_random_seed(des_cblock *key); 189void des_random_key(des_cblock *ret); 190int des_read_password(des_cblock *key,const char *prompt,int verify); 191int des_read_2passwords(des_cblock *key1,des_cblock *key2, 192 const char *prompt,int verify); 193int des_read_pw_string(char *buf,int length,const char *prompt,int verify); 194void des_set_odd_parity(des_cblock *key); 195int des_is_weak_key(const_des_cblock *key); 196int des_set_key(const_des_cblock *key,des_key_schedule schedule); 197int des_key_sched(const_des_cblock *key,des_key_schedule schedule); 198void des_string_to_key(const char *str,des_cblock *key); 199void des_string_to_2keys(const char *str,des_cblock *key1,des_cblock *key2); 200void des_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length, 201 des_key_schedule schedule,des_cblock *ivec,int *num, 202 int enc); 203void des_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length, 204 des_key_schedule schedule,des_cblock *ivec,int *num); 205int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify); 206 207/* Extra functions from Mark Murray <mark@grondar.za> */ 208void des_cblock_print_file(const_des_cblock *cb, FILE *fp); 209 210/* The following definitions provide compatibility with the MIT Kerberos 211 * library. The des_key_schedule structure is not binary compatible. */ 212 213#define _KERBEROS_DES_H 214 215#define KRBDES_ENCRYPT DES_ENCRYPT 216#define KRBDES_DECRYPT DES_DECRYPT 217 218#ifdef KERBEROS 219# define ENCRYPT DES_ENCRYPT 220# define DECRYPT DES_DECRYPT 221#endif 222 223#ifndef NCOMPAT 224# define C_Block des_cblock 225# define Key_schedule des_key_schedule 226# define KEY_SZ DES_KEY_SZ 227# define string_to_key des_string_to_key 228# define read_pw_string des_read_pw_string 229# define random_key des_random_key 230# define pcbc_encrypt des_pcbc_encrypt 231# define set_key des_set_key 232# define key_sched des_key_sched 233# define ecb_encrypt des_ecb_encrypt 234# define cbc_encrypt des_cbc_encrypt 235# define ncbc_encrypt des_ncbc_encrypt 236# define xcbc_encrypt des_xcbc_encrypt 237# define cbc_cksum des_cbc_cksum 238# define quad_cksum des_quad_cksum 239#endif 240 241typedef des_key_schedule bit_64; 242#define des_fixup_key_parity des_set_odd_parity 243#define des_check_key_parity check_parity 244 245#ifdef __cplusplus 246} 247#endif 248 249#endif 250