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 */
73 typedef unsigned char des_cblock[8];
74 typedef unsigned char *des_cblocks; /* Unfortunately there's no way to say that
75 we want a multiple of 8 */
76 typedef struct des_ks_struct
80 /* make sure things are correct size on machines with
87 } des_key_schedule[16];
89 #define DES_KEY_SZ (sizeof(des_cblock))
90 #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
95 #define DES_CBC_MODE 0
96 #define DES_PCBC_MODE 1
98 #define des_ecb2_encrypt(i,o,k1,k2,e) \
99 des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
101 #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
102 des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
104 #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
105 des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
107 #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
108 des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
110 #define C_Block des_cblock
111 #define Key_schedule des_key_schedule
113 #define ENCRYPT DES_ENCRYPT
114 #define DECRYPT DES_DECRYPT
116 #define KEY_SZ DES_KEY_SZ
117 #define string_to_key des_string_to_key
118 #define read_pw_string des_read_pw_string
119 #define random_key des_random_key
120 #define pcbc_encrypt des_pcbc_encrypt
121 #define set_key des_set_key
122 #define key_sched des_key_sched
123 #define ecb_encrypt des_ecb_encrypt
124 #define cbc_encrypt des_cbc_encrypt
125 #define ncbc_encrypt des_ncbc_encrypt
126 #define xcbc_encrypt des_xcbc_encrypt
127 #define cbc_cksum des_cbc_cksum
128 #define quad_cksum des_quad_cksum
130 /* For compatibility with the MIT lib - eay 20/05/92 */
131 typedef des_key_schedule bit_64;
132 #define des_fixup_key_parity des_set_odd_parity
133 #define des_check_key_parity check_parity
135 extern int des_check_key; /* defaults to false */
136 extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
137 extern int des_set_weak_key_flag; /* set the weak key flag */
139 const char *des_options(void);
140 void des_ecb3_encrypt(const des_cblock input, des_cblock output,
141 des_key_schedule ks1,des_key_schedule ks2,
142 des_key_schedule ks3, int enc);
143 DES_LONG des_cbc_cksum(const unsigned char *input,des_cblock output,
144 long length,des_key_schedule schedule,
145 const des_cblock ivec);
146 void des_cbc_encrypt(const unsigned char *input,unsigned char *output,
147 long length,des_key_schedule schedule,des_cblock ivec,
149 void des_ncbc_encrypt(const unsigned char *input,unsigned char *output,
150 long length,des_key_schedule schedule,des_cblock ivec,
152 void des_xcbc_encrypt(const unsigned char *input,unsigned char *output,
153 long length,des_key_schedule schedule,des_cblock ivec,
154 const des_cblock inw,const des_cblock outw,int enc);
155 void des_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
156 long length,des_key_schedule schedule,des_cblock ivec,
158 void des_ecb_encrypt(const des_cblock input,des_cblock output,
159 des_key_schedule ks,int enc);
160 void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc);
161 void des_encrypt2(DES_LONG *data,des_key_schedule ks, int enc);
162 void des_encrypt3(DES_LONG *data, des_key_schedule ks1,
163 des_key_schedule ks2, des_key_schedule ks3);
164 void des_decrypt3(DES_LONG *data, des_key_schedule ks1,
165 des_key_schedule ks2, des_key_schedule ks3);
166 void des_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output,
168 des_key_schedule ks1,des_key_schedule ks2,
169 des_key_schedule ks3,des_cblock ivec,int enc);
170 void des_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out,
172 des_key_schedule ks1,des_key_schedule ks2,
173 des_key_schedule ks3,
174 des_cblock ivec1,des_cblock ivec2,
176 void des_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out,
177 long length,des_key_schedule ks1,
178 des_key_schedule ks2,des_key_schedule ks3,
179 des_cblock ivec,int *num,int enc);
180 void des_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out,
181 long length,des_key_schedule ks1,
182 des_key_schedule ks2,des_key_schedule ks3,
183 des_cblock ivec,int *num);
185 void des_xwhite_in2out(const des_cblock des_key,const des_cblock in_white,
186 des_cblock out_white);
188 int des_enc_read(int fd,void *buf,int len,des_key_schedule sched,
190 int des_enc_write(int fd,const void *buf,int len,des_key_schedule sched,
192 char *des_fcrypt(const char *buf,const char *salt, char *ret);
193 #if defined(PERL5) || defined(__FreeBSD__)
194 char *des_crypt(const char *buf,const char *salt);
196 /* some stupid compilers complain because I have declared char instead
198 #ifdef HEADER_DES_LOCL_H
199 char *crypt(const char *buf,const char *salt);
204 void des_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
205 long length,des_key_schedule schedule,des_cblock ivec);
206 void des_pcbc_encrypt(const unsigned char *input,unsigned char *output,
207 long length,des_key_schedule schedule,des_cblock ivec,
209 DES_LONG des_quad_cksum(const unsigned char *input,des_cblocks output,
210 long length,int out_count,des_cblock seed);
211 void des_random_seed(des_cblock key);
212 void des_random_key(des_cblock ret);
213 int des_read_password(des_cblock key,const char *prompt,int verify);
214 int des_read_2passwords(des_cblock key1,des_cblock key2,
215 const char *prompt,int verify);
216 int des_read_pw_string(char *buf,int length,const char *prompt,int verify);
217 void des_set_odd_parity(des_cblock key);
218 int des_is_weak_key(const des_cblock key);
219 int des_set_key(const des_cblock key,des_key_schedule schedule);
220 int des_key_sched(const des_cblock key,des_key_schedule schedule);
221 void des_string_to_key(const char *str,des_cblock key);
222 void des_string_to_2keys(const char *str,des_cblock key1,des_cblock key2);
223 void des_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length,
224 des_key_schedule schedule,des_cblock ivec,int *num,
226 void des_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length,
227 des_key_schedule schedule,des_cblock ivec,int *num);
228 int des_read_pw(char *buf,char *buff,int size,const char *prompt,int verify);
230 /* Extra functions from Mark Murray <mark@grondar.za> */
231 void des_cblock_print_file(const des_cblock cb, FILE *fp);
234 /* The following functions are not in the normal unix build or the
235 * SSLeay build. When using the SSLeay build, use RAND_seed()
236 * and RAND_bytes() instead. */
237 int des_new_random_key(des_cblock *key);
238 void des_init_random_number_generator(des_cblock *key);
239 void des_set_random_generator_seed(des_cblock *key);
240 void des_set_sequence_number(des_cblock new_sequence_number);
241 void des_generate_random_block(des_cblock *block);