2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
67 #error DES is disabled.
71 #include <openssl/opensslconf.h> /* DES_LONG */
72 #include <openssl/e_os2.h> /* OPENSSL_EXTERN */
75 #undef des_init_random_number_generator
76 #define des_init_random_number_generator des_init_random_num_generator
79 typedef unsigned char des_cblock[8];
80 typedef const unsigned char const_des_cblock[8];
82 typedef struct des_ks_struct
86 /* make sure things are correct size on machines with
91 # error "_ is defined, but some strange definition the DES library cannot handle that."
95 } des_key_schedule[16];
97 #define DES_KEY_SZ (sizeof(des_cblock))
98 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
100 #define DES_ENCRYPT 1
101 #define DES_DECRYPT 0
103 #define DES_CBC_MODE 0
104 #define DES_PCBC_MODE 1
106 #define des_ecb2_encrypt(i,o,k1,k2,e) \
107 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
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))
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))
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))
118 #define C_Block des_cblock
119 #define Key_schedule des_key_schedule
121 #define ENCRYPT DES_ENCRYPT
122 #define DECRYPT DES_DECRYPT
124 #define KEY_SZ DES_KEY_SZ
125 #define string_to_key des_string_to_key
126 #define read_pw_string des_read_pw_string
127 #define random_key des_random_key
128 #define pcbc_encrypt des_pcbc_encrypt
129 #define set_key des_set_key
130 #define key_sched des_key_sched
131 #define ecb_encrypt des_ecb_encrypt
132 #define cbc_encrypt des_cbc_encrypt
133 #define ncbc_encrypt des_ncbc_encrypt
134 #define xcbc_encrypt des_xcbc_encrypt
135 #define cbc_cksum des_cbc_cksum
136 #define quad_cksum des_quad_cksum
138 /* For compatibility with the MIT lib - eay 20/05/92 */
139 typedef des_key_schedule bit_64;
140 #define des_fixup_key_parity des_set_odd_parity
141 #define des_check_key_parity check_parity
143 OPENSSL_EXTERN int des_check_key; /* defaults to false */
144 OPENSSL_EXTERN int des_rw_mode; /* defaults to DES_PCBC_MODE */
145 OPENSSL_EXTERN int des_set_weak_key_flag; /* set the weak key flag */
147 const char *des_options(void);
148 void des_ecb3_encrypt(const_des_cblock *input, des_cblock *output,
149 des_key_schedule ks1,des_key_schedule ks2,
150 des_key_schedule ks3, int enc);
151 DES_LONG des_cbc_cksum(const unsigned char *input,des_cblock *output,
152 long length,des_key_schedule schedule,
153 const_des_cblock *ivec);
154 void des_cbc_encrypt(const unsigned char *input,unsigned char *output,
155 long length,des_key_schedule schedule,des_cblock *ivec,
157 void des_ncbc_encrypt(const unsigned char *input,unsigned char *output,
158 long length,des_key_schedule schedule,des_cblock *ivec,
160 void des_xcbc_encrypt(const unsigned char *input,unsigned char *output,
161 long length,des_key_schedule schedule,des_cblock *ivec,
162 const_des_cblock *inw,const_des_cblock *outw,int enc);
163 void des_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
164 long length,des_key_schedule schedule,des_cblock *ivec,
166 void des_ecb_encrypt(const_des_cblock *input,des_cblock *output,
167 des_key_schedule ks,int enc);
168 void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
169 void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
170 void des_encrypt3(DES_LONG *data, des_key_schedule ks1,
171 des_key_schedule ks2, des_key_schedule ks3);
172 void des_decrypt3(DES_LONG *data, des_key_schedule ks1,
173 des_key_schedule ks2, des_key_schedule ks3);
174 void des_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output,
176 des_key_schedule ks1,des_key_schedule ks2,
177 des_key_schedule ks3,des_cblock *ivec,int enc);
178 void des_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out,
180 des_key_schedule ks1,des_key_schedule ks2,
181 des_key_schedule ks3,
182 des_cblock *ivec1,des_cblock *ivec2,
184 void des_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out,
185 long length,des_key_schedule ks1,
186 des_key_schedule ks2,des_key_schedule ks3,
187 des_cblock *ivec,int *num,int enc);
188 void des_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out,
189 long length,des_key_schedule ks1,
190 des_key_schedule ks2,des_key_schedule ks3,
191 des_cblock *ivec,int *num);
193 void des_xwhite_in2out(const_des_cblock *des_key,const_des_cblock *in_white,
194 des_cblock *out_white);
196 int des_enc_read(int fd,void *buf,int len,des_key_schedule sched,
198 int des_enc_write(int fd,const void *buf,int len,des_key_schedule sched,
200 char *des_fcrypt(const char *buf,const char *salt, char *ret);
201 #if defined(PERL5) || defined(__FreeBSD__)
202 char *des_crypt(const char *buf,const char *salt);
204 /* some stupid compilers complain because I have declared char instead
206 #ifdef HEADER_DES_LOCL_H
207 char *crypt(const char *buf,const char *salt);
212 void des_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
213 long length,des_key_schedule schedule,des_cblock *ivec);
214 void des_pcbc_encrypt(const unsigned char *input,unsigned char *output,
215 long length,des_key_schedule schedule,des_cblock *ivec,
217 DES_LONG des_quad_cksum(const unsigned char *input,des_cblock output[],
218 long length,int out_count,des_cblock *seed);
219 void des_random_seed(des_cblock *key);
220 void des_random_key(des_cblock *ret);
221 int des_read_password(des_cblock *key,const char *prompt,int verify);
222 int des_read_2passwords(des_cblock *key1,des_cblock *key2,
223 const char *prompt,int verify);
224 int des_read_pw_string(char *buf,int length,const char *prompt,int verify);
225 void des_set_odd_parity(des_cblock *key);
226 int des_is_weak_key(const_des_cblock *key);
227 int des_set_key(const_des_cblock *key,des_key_schedule schedule);
228 int des_key_sched(const_des_cblock *key,des_key_schedule schedule);
229 void des_string_to_key(const char *str,des_cblock *key);
230 void des_string_to_2keys(const char *str,des_cblock *key1,des_cblock *key2);
231 void des_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length,
232 des_key_schedule schedule,des_cblock *ivec,int *num,
234 void des_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length,
235 des_key_schedule schedule,des_cblock *ivec,int *num);
236 int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify);
238 /* Extra functions from Mark Murray <mark@grondar.za> */
239 void des_cblock_print_file(const_des_cblock *cb, FILE *fp);
242 /* The following functions are not in the normal unix build or the
243 * SSLeay build. When using the SSLeay build, use RAND_seed()
244 * and RAND_bytes() instead. */
245 int des_new_random_key(des_cblock *key);
246 void des_init_random_number_generator(des_cblock *key);
247 void des_set_random_generator_seed(des_cblock *key);
248 void des_set_sequence_number(des_cblock new_sequence_number);
249 void des_generate_random_block(des_cblock *block);