1 /* lib/des/des.h */ 2 /* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au) 3 * All rights reserved. 4 * 5 * This file is part of an SSL implementation written 6 * by Eric Young (eay@mincom.oz.au). 7 * The implementation was written so as to conform with Netscapes SSL 8 * specification. This library and applications are 9 * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE 10 * as long as the following conditions are aheared to. 11 * 12 * Copyright remains Eric Young's, and as such any Copyright notices in 13 * the code are not to be removed. If this code is used in a product, 14 * Eric Young should be given attribution as the author of the parts used. 15 * This can be in the form of a textual message at program startup or 16 * in documentation (online or textual) provided with the package. 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions 20 * are met: 21 * 1. Redistributions of source code must retain the copyright 22 * notice, this list of conditions and the following disclaimer. 23 * 2. Redistributions in binary form must reproduce the above copyright 24 * notice, this list of conditions and the following disclaimer in the 25 * documentation and/or other materials provided with the distribution. 26 * 3. All advertising materials mentioning features or use of this software 27 * must display the following acknowledgement: 28 * This product includes software developed by Eric Young (eay@mincom.oz.au) 29 * 30 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 33 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 40 * SUCH DAMAGE. 41 * 42 * The licence and distribution terms for any publically available version or 43 * derivative of this code cannot be changed. i.e. this code cannot simply be 44 * copied and put under another distribution licence 45 * [including the GNU Public Licence.] 46 * 47 * $FreeBSD$ 48 */ 49 50 #ifndef HEADER_DES_H 51 #define HEADER_DES_H 52 53 #ifdef __cplusplus 54 extern "C" { 55 #endif 56 57 /* If this is set to 'unsigned int' on a DEC Alpha, this gives about a 58 * %20 speed up (longs are 8 bytes, int's are 4). */ 59 #ifndef DES_LONG 60 #define DES_LONG unsigned long 61 #endif 62 63 typedef unsigned char des_cblock[8]; 64 typedef struct des_ks_struct 65 { 66 union { 67 des_cblock _; 68 /* make sure things are correct size on machines with 69 * 8 byte longs */ 70 DES_LONG pad[2]; 71 } ks; 72 #undef _ 73 #define _ ks._ 74 } des_key_schedule[16]; 75 76 #define DES_KEY_SZ (sizeof(des_cblock)) 77 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule)) 78 79 #define DES_ENCRYPT 1 80 #define DES_DECRYPT 0 81 82 #define DES_CBC_MODE 0 83 #define DES_PCBC_MODE 1 84 85 #define des_ecb2_encrypt(i,o,k1,k2,e) \ 86 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e)) 87 88 #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \ 89 des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e)) 90 91 #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \ 92 des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e)) 93 94 #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \ 95 des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n)) 96 97 #define C_Block des_cblock 98 #define Key_schedule des_key_schedule 99 #ifdef KERBEROS 100 #define ENCRYPT DES_ENCRYPT 101 #define DECRYPT DES_DECRYPT 102 #endif 103 #define KEY_SZ DES_KEY_SZ 104 #define string_to_key des_string_to_key 105 #define read_pw_string des_read_pw_string 106 #define random_key des_random_key 107 #define pcbc_encrypt des_pcbc_encrypt 108 #define set_key des_set_key 109 #define key_sched des_key_sched 110 #define ecb_encrypt des_ecb_encrypt 111 #define cbc_encrypt des_cbc_encrypt 112 #define ncbc_encrypt des_ncbc_encrypt 113 #define xcbc_encrypt des_xcbc_encrypt 114 #define cbc_cksum des_cbc_cksum 115 #define quad_cksum des_quad_cksum 116 117 /* For compatibility with the MIT lib - eay 20/05/92 */ 118 typedef des_key_schedule bit_64; 119 #define des_fixup_key_parity des_set_odd_parity 120 #define des_check_key_parity check_parity 121 122 extern int des_check_key; /* defaults to false */ 123 extern int des_rw_mode; /* defaults to DES_PCBC_MODE */ 124 125 /* The next line is used to disable full ANSI prototypes, if your 126 * compiler has problems with the prototypes, make sure this line always 127 * evaluates to true :-) */ 128 #if defined(MSDOS) || defined(__STDC__) 129 #undef NOPROTO 130 #endif 131 #ifndef NOPROTO 132 char *des_options(void); 133 void des_ecb3_encrypt(des_cblock *input,des_cblock *output, 134 des_key_schedule ks1,des_key_schedule ks2, 135 des_key_schedule ks3, int enc); 136 DES_LONG des_cbc_cksum(des_cblock *input,des_cblock *output, 137 long length,des_key_schedule schedule,des_cblock *ivec); 138 /* 139 void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length, 140 des_key_schedule schedule,des_cblock *ivec,int enc); 141 */ 142 void des_cbc_encrypt(struct mbuf *, size_t, size_t, 143 des_key_schedule schedule,des_cblock *ivec, int enc); 144 void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length, 145 des_key_schedule schedule,des_cblock *ivec,int enc); 146 void des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length, 147 des_key_schedule schedule,des_cblock *ivec, 148 des_cblock *inw,des_cblock *outw,int enc); 149 void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length, 150 des_key_schedule sk1,des_key_schedule sk2, 151 des_cblock *ivec1,des_cblock *ivec2,int enc); 152 extern void des_3cbc_process(struct mbuf *, size_t, size_t, 153 des_key_schedule *schedule, des_cblock *ivec, int mode); 154 void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits, 155 long length,des_key_schedule schedule,des_cblock *ivec,int enc); 156 void des_ecb_encrypt(des_cblock *input,des_cblock *output, 157 des_key_schedule ks,int enc); 158 void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc); 159 void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc); 160 void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output, 161 long length, des_key_schedule ks1, des_key_schedule ks2, 162 des_key_schedule ks3, des_cblock *ivec, int enc); 163 void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out, 164 long length, des_key_schedule ks1, des_key_schedule ks2, 165 des_key_schedule ks3, des_cblock *ivec, int *num, int encrypt); 166 void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out, 167 long length, des_key_schedule ks1, des_key_schedule ks2, 168 des_key_schedule ks3, des_cblock *ivec, int *num); 169 170 int des_enc_read(int fd,char *buf,int len,des_key_schedule sched, 171 des_cblock *iv); 172 int des_enc_write(int fd,char *buf,int len,des_key_schedule sched, 173 des_cblock *iv); 174 #ifdef PERL5 175 char *des_crypt(const char *buf,const char *salt); 176 #else 177 /* some stupid compilers complain because I have declared char instead 178 * of const char */ 179 #if 1 180 char *crypt(const char *buf,const char *salt); 181 #else 182 char *crypt(); 183 #endif 184 #endif 185 void des_ofb_encrypt(unsigned char *in,unsigned char *out, 186 int numbits,long length,des_key_schedule schedule,des_cblock *ivec); 187 void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length, 188 des_key_schedule schedule,des_cblock *ivec,int enc); 189 DES_LONG des_quad_cksum(des_cblock *input,des_cblock *output, 190 long length,int out_count,des_cblock *seed); 191 void des_random_seed(des_cblock key); 192 void des_random_key(des_cblock ret); 193 int des_read_password(des_cblock *key,char *prompt,int verify); 194 int des_read_2passwords(des_cblock *key1,des_cblock *key2, 195 char *prompt,int verify); 196 int des_read_pw_string(char *buf,int length,char *prompt,int verify); 197 void des_set_odd_parity(des_cblock *key); 198 int des_is_weak_key(des_cblock *key); 199 int des_set_key(des_cblock *key,des_key_schedule schedule); 200 int des_key_sched(des_cblock *key,des_key_schedule schedule); 201 void des_string_to_key(char *str,des_cblock *key); 202 void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2); 203 void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length, 204 des_key_schedule schedule, des_cblock *ivec, int *num, int enc); 205 void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length, 206 des_key_schedule schedule, des_cblock *ivec, int *num); 207 208 /* Extra functions from Mark Murray <mark@grondar.za> */ 209 /* 210 void des_cblock_print_file(des_cblock *cb, FILE *fp); 211 */ 212 /* The following functions are not in the normal unix build or the 213 * SSLeay build. When using the SSLeay build, use RAND_seed() 214 * and RAND_bytes() instead. */ 215 int des_new_random_key(des_cblock *key); 216 void des_init_random_number_generator(des_cblock *key); 217 void des_set_random_generator_seed(des_cblock *key); 218 void des_set_sequence_number(des_cblock new_sequence_number); 219 void des_generate_random_block(des_cblock *block); 220 221 #else 222 223 char *des_options(); 224 void des_ecb3_encrypt(); 225 DES_LONG des_cbc_cksum(); 226 void des_cbc_encrypt(); 227 void des_ncbc_encrypt(); 228 void des_xcbc_encrypt(); 229 void des_3cbc_encrypt(); 230 void des_cfb_encrypt(); 231 void des_ede3_cfb64_encrypt(); 232 void des_ede3_ofb64_encrypt(); 233 void des_ecb_encrypt(); 234 void des_encrypt(); 235 void des_encrypt2(); 236 void des_ede3_cbc_encrypt(); 237 int des_enc_read(); 238 int des_enc_write(); 239 #ifdef PERL5 240 char *des_crypt(); 241 #else 242 char *crypt(); 243 #endif 244 void des_ofb_encrypt(); 245 void des_pcbc_encrypt(); 246 DES_LONG des_quad_cksum(); 247 void des_random_seed(); 248 void des_random_key(); 249 int des_read_password(); 250 int des_read_2passwords(); 251 int des_read_pw_string(); 252 void des_set_odd_parity(); 253 int des_is_weak_key(); 254 int des_set_key(); 255 int des_key_sched(); 256 void des_string_to_key(); 257 void des_string_to_2keys(); 258 void des_cfb64_encrypt(); 259 void des_ofb64_encrypt(); 260 261 /* Extra functions from Mark Murray <mark@grondar.za> */ 262 void des_cblock_print_file(); 263 /* The following functions are not in the normal unix build or the 264 * SSLeay build. When using the SSLeay build, use RAND_seed() 265 * and RAND_bytes() instead. */ 266 #ifdef FreeBSD 267 int des_new_random_key(); 268 void des_init_random_number_generator(); 269 void des_set_random_generator_seed(); 270 void des_set_sequence_number(); 271 void des_generate_random_block(); 272 #endif 273 274 #endif 275 276 #ifdef __cplusplus 277 } 278 #endif 279 280 #endif 281