root/crypto/des.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. des_key_schedule

    1 /*      $OpenBSD: des.h,v 1.3 2005/06/13 10:56:44 hshoexer Exp $        */
    2 
    3 /* lib/des/des.h */
    4 /* Copyright (C) 1995 Eric Young (eay@mincom.oz.au)
    5  * All rights reserved.
    6  * 
    7  * This file is part of an SSL implementation written
    8  * by Eric Young (eay@mincom.oz.au).
    9  * The implementation was written so as to conform with Netscapes SSL
   10  * specification.  This library and applications are
   11  * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
   12  * as long as the following conditions are aheared to.
   13  * 
   14  * Copyright remains Eric Young's, and as such any Copyright notices in
   15  * the code are not to be removed.  If this code is used in a product,
   16  * Eric Young should be given attribution as the author of the parts used.
   17  * This can be in the form of a textual message at program startup or
   18  * in documentation (online or textual) provided with the package.
   19  * 
   20  * Redistribution and use in source and binary forms, with or without
   21  * modification, are permitted provided that the following conditions
   22  * are met:
   23  * 1. Redistributions of source code must retain the copyright
   24  *    notice, this list of conditions and the following disclaimer.
   25  * 2. Redistributions in binary form must reproduce the above copyright
   26  *    notice, this list of conditions and the following disclaimer in the
   27  *    documentation and/or other materials provided with the distribution.
   28  * 3. All advertising materials mentioning features or use of this software
   29  *    must display the following acknowledgement:
   30  *    This product includes software developed by Eric Young (eay@mincom.oz.au)
   31  * 
   32  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
   33  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   34  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   35  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   36  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   40  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   41  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   42  * SUCH DAMAGE.
   43  * 
   44  * The licence and distribution terms for any publically available version or
   45  * derivative of this code cannot be changed.  i.e. this code cannot simply be
   46  * copied and put under another distribution licence
   47  * [including the GNU Public Licence.]
   48  */
   49 
   50 #ifndef HEADER_DES_H
   51 #define HEADER_DES_H
   52 
   53 #include <sys/types.h>
   54 #ifndef _KERNEL
   55 #include <stdio.h>
   56 #endif
   57 
   58 typedef unsigned char des_cblock[8];
   59 typedef struct des_ks_struct
   60         {
   61         union   {
   62                 des_cblock _;
   63                 /* make sure things are correct size on machines with
   64                  * 8 byte longs */
   65                 int32_t pad[2];
   66                 } ks;
   67 #undef _
   68 #define _       ks._
   69         } des_key_schedule[16];
   70 
   71 #define DES_KEY_SZ      (sizeof(des_cblock))
   72 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
   73 
   74 #define DES_ENCRYPT     1
   75 #define DES_DECRYPT     0
   76 
   77 #define DES_CBC_MODE    0
   78 #define DES_PCBC_MODE   1
   79 
   80 #define des_ecb2_encrypt(i,o,k1,k2,e) \
   81         des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
   82 
   83 #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
   84         des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
   85 
   86 #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
   87         des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
   88 
   89 #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
   90         des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
   91 
   92 #define C_Block des_cblock
   93 #define Key_schedule des_key_schedule
   94 #define ENCRYPT DES_ENCRYPT
   95 #define DECRYPT DES_DECRYPT
   96 #define KEY_SZ DES_KEY_SZ
   97 #define string_to_key des_string_to_key
   98 #define read_pw_string des_read_pw_string
   99 #define random_key des_random_key
  100 #define pcbc_encrypt des_pcbc_encrypt
  101 #define set_key des_set_key
  102 #define key_sched des_key_sched
  103 #define ecb_encrypt des_ecb_encrypt
  104 #define cbc_encrypt des_cbc_encrypt
  105 #define ncbc_encrypt des_ncbc_encrypt
  106 #define cbc_cksum des_cbc_cksum
  107 #define quad_cksum des_quad_cksum
  108 
  109 /* For compatibility with the MIT lib - eay 20/05/92 */
  110 typedef struct des_key_schedule bit_64;
  111 #define des_fixup_key_parity des_set_odd_parity
  112 #define des_check_key_parity check_parity
  113 
  114 extern int des_check_key;       /* defaults to false */
  115 extern int des_rw_mode;         /* defaults to DES_PCBC_MODE */
  116 
  117 /* The next line is used to disable full ANSI prototypes, if your
  118  * compiler has problems with the prototypes, make sure this line always
  119  * evaluates to true :-) */
  120 #if defined(__STDC__)
  121 #undef PROTO
  122 #define PROTO
  123 #endif
  124 #ifdef PROTO
  125 void des_ecb3_encrypt(des_cblock *input,des_cblock *output,
  126         des_key_schedule ks1,des_key_schedule ks2,
  127         des_key_schedule ks3, int enc);
  128 u_int32_t des_cbc_cksum(des_cblock *input,des_cblock *output,
  129         long length,des_key_schedule schedule,des_cblock *ivec);
  130 void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
  131         des_key_schedule schedule,des_cblock *ivec,int enc);
  132 void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
  133         des_key_schedule schedule,des_cblock *ivec,int enc);
  134 void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
  135         des_key_schedule sk1,des_key_schedule sk2,
  136         des_cblock *ivec1,des_cblock *ivec2,int enc);
  137 void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
  138         long length,des_key_schedule schedule,des_cblock *ivec,int enc);
  139 void des_ecb_encrypt(des_cblock *input,des_cblock *output,
  140         des_key_schedule ks,int enc);
  141 void des_encrypt(u_int32_t *data,des_key_schedule ks, int enc);
  142 void des_encrypt2(u_int32_t *data,des_key_schedule ks, int enc);
  143 void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output, 
  144         long length, des_key_schedule ks1, des_key_schedule ks2, 
  145         des_key_schedule ks3, des_cblock *ivec, int enc);
  146 void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
  147         long length, des_key_schedule ks1, des_key_schedule ks2,
  148         des_key_schedule ks3, des_cblock *ivec, int *num, int encrypt);
  149 void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
  150         long length, des_key_schedule ks1, des_key_schedule ks2,
  151         des_key_schedule ks3, des_cblock *ivec, int *num);
  152 
  153 int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
  154         des_cblock *iv);
  155 int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
  156         des_cblock *iv);
  157 #ifdef PERL5
  158 char *des_crypt(const char *buf,const char *salt);
  159 #else
  160 /* some stupid compilers complain because I have declared char instead
  161  * of const char */
  162 #ifdef HEADER_DES_LOCL_H
  163 char *crypt(const char *buf,const char *salt);
  164 #else
  165 char *crypt();
  166 #endif
  167 #endif
  168 void des_ofb_encrypt(unsigned char *in,unsigned char *out,
  169         int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
  170 void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
  171         des_key_schedule schedule,des_cblock *ivec,int enc);
  172 u_int32_t des_quad_cksum(des_cblock *input,des_cblock *output,
  173         long length,int out_count,des_cblock *seed);
  174 void des_random_seed(des_cblock key);
  175 void des_random_key(des_cblock ret);
  176 int des_read_password(des_cblock *key,char *prompt,int verify);
  177 int des_read_2passwords(des_cblock *key1,des_cblock *key2,
  178         char *prompt,int verify);
  179 int des_read_pw_string(char *buf,int length,char *prompt,int verify);
  180 void des_set_odd_parity(des_cblock *key);
  181 int des_is_weak_key(des_cblock *key);
  182 int des_set_key(des_cblock *key,des_key_schedule schedule);
  183 int des_key_sched(des_cblock *key,des_key_schedule schedule);
  184 void des_string_to_key(char *str,des_cblock *key);
  185 void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
  186 void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
  187         des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
  188 void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
  189         des_key_schedule schedule, des_cblock *ivec, int *num);
  190 
  191 /*
  192  * Extra functions from Mark Murray <mark@grondar.za>
  193  * The following functions are not in the normal unix build or the
  194  * SSLeay build.  When using the SSLeay build, use RAND_seed()
  195  * and RAND_bytes() instead.
  196  */
  197 int des_new_random_key(des_cblock *key);
  198 void des_init_random_number_generator(des_cblock *key);
  199 void des_set_random_generator_seed(des_cblock *key);
  200 void des_set_sequence_number(des_cblock new_sequence_number);
  201 void des_generate_random_block(des_cblock *block);
  202 
  203 #else
  204 
  205 void des_ecb3_encrypt();
  206 u_int32_t des_cbc_cksum();
  207 void des_cbc_encrypt();
  208 void des_ncbc_encrypt();
  209 void des_3cbc_encrypt();
  210 void des_cfb_encrypt();
  211 void des_ede3_cfb64_encrypt();
  212 void des_ede3_ofb64_encrypt();
  213 void des_ecb_encrypt();
  214 void des_encrypt();
  215 void des_encrypt2();
  216 void des_ede3_cbc_encrypt();
  217 int des_enc_read();
  218 int des_enc_write();
  219 #ifdef PERL5
  220 char *des_crypt();
  221 #else
  222 char *crypt();
  223 #endif
  224 void des_ofb_encrypt();
  225 void des_pcbc_encrypt();
  226 u_int32_t des_quad_cksum();
  227 void des_random_seed();
  228 void des_random_key();
  229 int des_read_password();
  230 int des_read_2passwords();
  231 int des_read_pw_string();
  232 void des_set_odd_parity();
  233 int des_is_weak_key();
  234 int des_set_key();
  235 int des_key_sched();
  236 void des_string_to_key();
  237 void des_string_to_2keys();
  238 void des_cfb64_encrypt();
  239 void des_ofb64_encrypt();
  240 
  241 /*
  242  * Extra functions from Mark Murray <mark@grondar.za>
  243  * The following functions are not in the normal unix build or the
  244  * SSLeay build.  When using the SSLeay build, use RAND_seed()
  245  * and RAND_bytes() instead.
  246  */
  247 int des_new_random_key();
  248 void des_init_random_number_generator();
  249 void des_set_random_generator_seed();
  250 void des_set_sequence_number();
  251 void des_generate_random_block();
  252 
  253 #endif
  254 #endif

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