crypto/heimdal-0.6.3/lib/des/des.h

   1 /* crypto/des/des.h */
   2 /* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
   3  * All rights reserved.
   4  *
   5  * This package is 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  *
   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@mincom.oz.au).
  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@mincom.oz.au)"
  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@mincom.oz.au)"
  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
  63 extern "C" {
  64 #endif
  65
  66 #include <stdio.h>
  67
  68 #ifndef DES_LIB_FUNCTION
  69 #if defined(__BORLANDC__)
  70 #define DES_LIB_FUNCTION /* not-ready-definition-yet */
  71 #elif defined(_MSC_VER)
  72 #define DES_LIB_FUNCTION /* not-ready-definition-yet2 */
  73 #else
  74 #define DES_LIB_FUNCTION
  75 #endif
  76 #endif
  77
  78 /* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
  79  * %20 speed up (longs are 8 bytes, int's are 4). */
  80 #ifndef DES_LONG
  81 #if defined(__alpha) || defined(__sparcv9) || defined(__sparc_v9__) || _MIPS_SZLONG == 64
  82 #define DES_LONG unsigned int
  83 #else /* Not a 64 bit machine */
  84 #define DES_LONG unsigned long
  85 #endif
  86 #endif
  87
  88 typedef unsigned char des_cblock[8];
  89 typedef struct des_ks_struct
  90         {
  91         union   {
  92                 des_cblock _;
  93                 /* make sure things are correct size on machines with
  94                  * 8 byte longs */
  95                 DES_LONG pad[2];
  96                 } ks;
  97 #undef _
  98 #define _       ks._
  99         } des_key_schedule[16];
 100
 101 #define DES_KEY_SZ      (sizeof(des_cblock))
 102 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
 103
 104 #define DES_ENCRYPT     1
 105 #define DES_DECRYPT     0
 106
 107 #define DES_CBC_MODE    0
 108 #define DES_PCBC_MODE   1
 109
 110 #define des_ecb2_encrypt(i,o,k1,k2,e) \
 111         des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
 112
 113 #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
 114         des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
 115
 116 #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
 117         des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
 118
 119 #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
 120         des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
 121
 122 #define C_Block des_cblock
 123 #define Key_schedule des_key_schedule
 124 #ifdef KERBEROS
 125 #define ENCRYPT DES_ENCRYPT
 126 #define DECRYPT DES_DECRYPT
 127 #endif
 128 #define KEY_SZ DES_KEY_SZ
 129 #define string_to_key des_string_to_key
 130 #define read_pw_string des_read_pw_string
 131 #define random_key des_random_key
 132 #define pcbc_encrypt des_pcbc_encrypt
 133 #define set_key des_set_key
 134 #define key_sched des_key_sched
 135 #define ecb_encrypt des_ecb_encrypt
 136 #define cbc_encrypt des_cbc_encrypt
 137 #define ncbc_encrypt des_ncbc_encrypt
 138 #define xcbc_encrypt des_xcbc_encrypt
 139 #define cbc_cksum des_cbc_cksum
 140 #define quad_cksum des_quad_cksum
 141
 142 /* For compatibility with the MIT lib - eay 20/05/92 */
 143 typedef des_key_schedule bit_64;
 144 #define des_fixup_key_parity des_set_odd_parity
 145 #define des_check_key_parity check_parity
 146
 147 extern int des_check_key;       /* defaults to false */
 148 extern int des_rw_mode;         /* defaults to DES_PCBC_MODE */
 149
 150 #ifdef cplusplus
 151 extern "C" {
 152 #endif
 153
 154 /* The next line is used to disable full ANSI prototypes, if your
 155  * compiler has problems with the prototypes, make sure this line always
 156  * evaluates to true :-) */
 157 #if defined(MSDOS) || defined(__STDC__)
 158 #undef NOPROTO
 159 #endif
 160 #ifndef NOPROTO
 161 char *DES_LIB_FUNCTION des_options(void);
 162 void DES_LIB_FUNCTION des_ecb3_encrypt(des_cblock *input,des_cblock *output,
 163         des_key_schedule ks1,des_key_schedule ks2,
 164         des_key_schedule ks3, int enc);
 165 DES_LONG DES_LIB_FUNCTION des_cbc_cksum(des_cblock *input,des_cblock *output,
 166         long length,des_key_schedule schedule,des_cblock *ivec);
 167 void DES_LIB_FUNCTION des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
 168         des_key_schedule schedule,des_cblock *ivec,int enc);
 169 void DES_LIB_FUNCTION des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
 170         des_key_schedule schedule,des_cblock *ivec,int enc);
 171 void DES_LIB_FUNCTION des_xcbc_encrypt(des_cblock *input,des_cblock *output,long length,
 172         des_key_schedule schedule,des_cblock *ivec,
 173         des_cblock *inw,des_cblock *outw,int enc);
 174 void DES_LIB_FUNCTION des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
 175         des_key_schedule sk1,des_key_schedule sk2,
 176         des_cblock *ivec1,des_cblock *ivec2,int enc);
 177 void DES_LIB_FUNCTION des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
 178         long length,des_key_schedule schedule,des_cblock *ivec,int enc);
 179 void DES_LIB_FUNCTION des_ecb_encrypt(des_cblock *input,des_cblock *output,
 180         des_key_schedule ks,int enc);
 181 void DES_LIB_FUNCTION des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
 182 void DES_LIB_FUNCTION des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
 183 void DES_LIB_FUNCTION des_encrypt3(DES_LONG *data, des_key_schedule ks1,
 184         des_key_schedule ks2, des_key_schedule ks3);
 185 void DES_LIB_FUNCTION des_decrypt3(DES_LONG *data, des_key_schedule ks1,
 186         des_key_schedule ks2, des_key_schedule ks3);
 187 void DES_LIB_FUNCTION des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
 188         long length, des_key_schedule ks1, des_key_schedule ks2,
 189         des_key_schedule ks3, des_cblock *ivec, int enc);
 190 void DES_LIB_FUNCTION des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
 191         long length, des_key_schedule ks1, des_key_schedule ks2,
 192         des_key_schedule ks3, des_cblock *ivec, int *num, int encrypt);
 193 void DES_LIB_FUNCTION des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
 194         long length, des_key_schedule ks1, des_key_schedule ks2,
 195         des_key_schedule ks3, des_cblock *ivec, int *num);
 196
 197 int DES_LIB_FUNCTION des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
 198         des_cblock *iv);
 199 int DES_LIB_FUNCTION des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
 200         des_cblock *iv);
 201 char *DES_LIB_FUNCTION des_fcrypt(const char *buf,const char *salt, char *ret);
 202 #ifdef PERL5
 203 char *des_crypt(const char *buf,const char *salt);
 204 #else
 205 /* some stupid compilers complain because I have declared char instead
 206  * of const char */
 207 #ifdef HEADER_DES_LOCL_H
 208 char *DES_LIB_FUNCTION crypt(const char *buf,const char *salt);
 209 #else
 210 char *crypt();
 211 #endif
 212 #endif
 213 void DES_LIB_FUNCTION des_ofb_encrypt(unsigned char *in,unsigned char *out,
 214         int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
 215 void DES_LIB_FUNCTION des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
 216         des_key_schedule schedule,des_cblock *ivec,int enc);
 217 DES_LONG DES_LIB_FUNCTION des_quad_cksum(des_cblock *input,des_cblock *output,
 218         long length,int out_count,des_cblock *seed);
 219 void DES_LIB_FUNCTION des_random_seed(des_cblock key);
 220 void DES_LIB_FUNCTION des_random_key(des_cblock ret);
 221 int DES_LIB_FUNCTION des_read_password(des_cblock *key,char *prompt,int verify);
 222 int DES_LIB_FUNCTION des_read_2passwords(des_cblock *key1,des_cblock *key2,
 223         char *prompt,int verify);
 224 int DES_LIB_FUNCTION des_read_pw_string(char *buf,int length,char *prompt,int verify);
 225 void DES_LIB_FUNCTION des_set_odd_parity(des_cblock *key);
 226 int DES_LIB_FUNCTION des_is_weak_key(des_cblock *key);
 227 int DES_LIB_FUNCTION des_set_key(des_cblock *key,des_key_schedule schedule);
 228 int DES_LIB_FUNCTION des_key_sched(des_cblock *key,des_key_schedule schedule);
 229 void DES_LIB_FUNCTION des_string_to_key(char *str,des_cblock *key);
 230 void DES_LIB_FUNCTION des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
 231 void DES_LIB_FUNCTION des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
 232         des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
 233 void DES_LIB_FUNCTION des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
 234         des_key_schedule schedule, des_cblock *ivec, int *num);
 235
 236 /* Extra functions from Mark Murray <mark@grondar.za> */
 237 void DES_LIB_FUNCTION des_cblock_print_file(des_cblock *cb, FILE *fp);
 238 /* The following functions are not in the normal unix build or the
 239  * SSLeay build.  When using the SSLeay build, use RAND_seed()
 240  * and RAND_bytes() instead. */
 241 int DES_LIB_FUNCTION des_new_random_key(des_cblock *key);
 242 void DES_LIB_FUNCTION des_init_random_number_generator(des_cblock *key);
 243 void DES_LIB_FUNCTION des_set_random_generator_seed(des_cblock *key);
 244 void DES_LIB_FUNCTION des_set_sequence_number(des_cblock new_sequence_number);
 245 void DES_LIB_FUNCTION des_generate_random_block(des_cblock *block);
 246 void DES_LIB_FUNCTION des_rand_data(unsigned char *data, int size);
 247
 248 #else
 249
 250 char *des_options();
 251 void des_ecb3_encrypt();
 252 DES_LONG des_cbc_cksum();
 253 void des_cbc_encrypt();
 254 void des_ncbc_encrypt();
 255 void des_xcbc_encrypt();
 256 void des_3cbc_encrypt();
 257 void des_cfb_encrypt();
 258 void des_ede3_cfb64_encrypt();
 259 void des_ede3_ofb64_encrypt();
 260 void des_ecb_encrypt();
 261 void des_encrypt();
 262 void des_encrypt2();
 263 void des_encrypt3();
 264 void des_decrypt3();
 265 void des_ede3_cbc_encrypt();
 266 int des_enc_read();
 267 int des_enc_write();
 268 char *des_fcrypt();
 269 #ifdef PERL5
 270 char *des_crypt();
 271 #else
 272 char *crypt();
 273 #endif
 274 void des_ofb_encrypt();
 275 void des_pcbc_encrypt();
 276 DES_LONG des_quad_cksum();
 277 void des_random_seed();
 278 void des_random_key();
 279 int des_read_password();
 280 int des_read_2passwords();
 281 int des_read_pw_string();
 282 void des_set_odd_parity();
 283 int des_is_weak_key();
 284 int des_set_key();
 285 int des_key_sched();
 286 void des_string_to_key();
 287 void des_string_to_2keys();
 288 void des_cfb64_encrypt();
 289 void des_ofb64_encrypt();
 290
 291 /* Extra functions from Mark Murray <mark@grondar.za> */
 292 void des_cblock_print_file();
 293 /* The following functions are not in the normal unix build or the
 294  * SSLeay build.  When using the SSLeay build, use RAND_seed()
 295  * and RAND_bytes() instead. */
 296 int des_new_random_key();
 297 void des_init_random_number_generator();
 298 void des_set_random_generator_seed();
 299 void des_set_sequence_number();
 300 void des_generate_random_block();
 301 void des_rand_data();
 302
 303 #endif
 304
 305 #ifdef __cplusplus
 306 }
 307 #endif
 308
 309 #endif