source: lab.git/Dev/utvpn/utvpn-unix-v101-7101-public/src/Mayaqua/openssl/des.h @ 072e48b

trunk
Last change on this file since 072e48b was a1bae3e, checked in by mitty <mitty@…>, 12 years ago
  • copy vendor drop to trunk

git-svn-id: https://lab.mitty.jp/svn/lab/trunk@147 7d2118f6-f56c-43e7-95a2-4bb3031d96e7

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File size: 10.7 KB
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1/* crypto/des/des.h */
2/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
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@cryptsoft.com).
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@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)"
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_NEW_DES_H
60#define HEADER_NEW_DES_H
61
62#include <openssl/e_os2.h>  /* OPENSSL_EXTERN, OPENSSL_NO_DES,
63                   DES_LONG (via openssl/opensslconf.h */
64
65#ifdef OPENSSL_NO_DES
66#error DES is disabled.
67#endif
68
69#ifdef OPENSSL_BUILD_SHLIBCRYPTO
70# undef OPENSSL_EXTERN
71# define OPENSSL_EXTERN OPENSSL_EXPORT
72#endif
73
74#ifdef  __cplusplus
75extern "C" {
76#endif
77
78typedef unsigned char DES_cblock[8];
79typedef /* const */ unsigned char const_DES_cblock[8];
80/* With "const", gcc 2.8.1 on Solaris thinks that DES_cblock *
81 * and const_DES_cblock * are incompatible pointer types. */
82
83typedef struct DES_ks
84    {
85    union
86    {
87    DES_cblock cblock;
88    /* make sure things are correct size on machines with
89     * 8 byte longs */
90    DES_LONG deslong[2];
91    } ks[16];
92    } DES_key_schedule;
93
94#ifndef OPENSSL_DISABLE_OLD_DES_SUPPORT
95# ifndef OPENSSL_ENABLE_OLD_DES_SUPPORT
96#  define OPENSSL_ENABLE_OLD_DES_SUPPORT
97# endif
98#endif
99
100#ifdef OPENSSL_ENABLE_OLD_DES_SUPPORT
101# include <openssl/des_old.h>
102#endif
103
104#define DES_KEY_SZ  (sizeof(DES_cblock))
105#define DES_SCHEDULE_SZ (sizeof(DES_key_schedule))
106
107#define DES_ENCRYPT 1
108#define DES_DECRYPT 0
109
110#define DES_CBC_MODE    0
111#define DES_PCBC_MODE   1
112
113#define DES_ecb2_encrypt(i,o,k1,k2,e) \
114    DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
115
116#define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
117    DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
118
119#define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
120    DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
121
122#define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
123    DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
124
125OPENSSL_DECLARE_GLOBAL(int,DES_check_key);  /* defaults to false */
126#define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key)
127OPENSSL_DECLARE_GLOBAL(int,DES_rw_mode);    /* defaults to DES_PCBC_MODE */
128#define DES_rw_mode OPENSSL_GLOBAL_REF(DES_rw_mode)
129
130const char *DES_options(void);
131void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
132              DES_key_schedule *ks1,DES_key_schedule *ks2,
133              DES_key_schedule *ks3, int enc);
134DES_LONG DES_cbc_cksum(const unsigned char *input,DES_cblock *output,
135               long length,DES_key_schedule *schedule,
136               const_DES_cblock *ivec);
137/* DES_cbc_encrypt does not update the IV!  Use DES_ncbc_encrypt instead. */
138void DES_cbc_encrypt(const unsigned char *input,unsigned char *output,
139             long length,DES_key_schedule *schedule,DES_cblock *ivec,
140             int enc);
141void DES_ncbc_encrypt(const unsigned char *input,unsigned char *output,
142              long length,DES_key_schedule *schedule,DES_cblock *ivec,
143              int enc);
144void DES_xcbc_encrypt(const unsigned char *input,unsigned char *output,
145              long length,DES_key_schedule *schedule,DES_cblock *ivec,
146              const_DES_cblock *inw,const_DES_cblock *outw,int enc);
147void DES_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
148             long length,DES_key_schedule *schedule,DES_cblock *ivec,
149             int enc);
150void DES_ecb_encrypt(const_DES_cblock *input,DES_cblock *output,
151             DES_key_schedule *ks,int enc);
152
153/*  This is the DES encryption function that gets called by just about
154    every other DES routine in the library.  You should not use this
155    function except to implement 'modes' of DES.  I say this because the
156    functions that call this routine do the conversion from 'char *' to
157    long, and this needs to be done to make sure 'non-aligned' memory
158    access do not occur.  The characters are loaded 'little endian'.
159    Data is a pointer to 2 unsigned long's and ks is the
160    DES_key_schedule to use.  enc, is non zero specifies encryption,
161    zero if decryption. */
162void DES_encrypt1(DES_LONG *data,DES_key_schedule *ks, int enc);
163
164/*  This functions is the same as DES_encrypt1() except that the DES
165    initial permutation (IP) and final permutation (FP) have been left
166    out.  As for DES_encrypt1(), you should not use this function.
167    It is used by the routines in the library that implement triple DES.
168    IP() DES_encrypt2() DES_encrypt2() DES_encrypt2() FP() is the same
169    as DES_encrypt1() DES_encrypt1() DES_encrypt1() except faster :-). */
170void DES_encrypt2(DES_LONG *data,DES_key_schedule *ks, int enc);
171
172void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1,
173          DES_key_schedule *ks2, DES_key_schedule *ks3);
174void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1,
175          DES_key_schedule *ks2, DES_key_schedule *ks3);
176void DES_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output, 
177              long length,
178              DES_key_schedule *ks1,DES_key_schedule *ks2,
179              DES_key_schedule *ks3,DES_cblock *ivec,int enc);
180void DES_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out,
181               long length,
182               DES_key_schedule *ks1,DES_key_schedule *ks2,
183               DES_key_schedule *ks3,
184               DES_cblock *ivec1,DES_cblock *ivec2,
185               int enc);
186void DES_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out,
187                long length,DES_key_schedule *ks1,
188                DES_key_schedule *ks2,DES_key_schedule *ks3,
189                DES_cblock *ivec,int *num,int enc);
190void DES_ede3_cfb_encrypt(const unsigned char *in,unsigned char *out,
191              int numbits,long length,DES_key_schedule *ks1,
192              DES_key_schedule *ks2,DES_key_schedule *ks3,
193              DES_cblock *ivec,int enc);
194void DES_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out,
195                long length,DES_key_schedule *ks1,
196                DES_key_schedule *ks2,DES_key_schedule *ks3,
197                DES_cblock *ivec,int *num);
198
199void DES_xwhite_in2out(const_DES_cblock *DES_key,const_DES_cblock *in_white,
200               DES_cblock *out_white);
201
202int DES_enc_read(int fd,void *buf,int len,DES_key_schedule *sched,
203         DES_cblock *iv);
204int DES_enc_write(int fd,const void *buf,int len,DES_key_schedule *sched,
205          DES_cblock *iv);
206char *DES_fcrypt(const char *buf,const char *salt, char *ret);
207char *DES_crypt(const char *buf,const char *salt);
208void DES_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
209             long length,DES_key_schedule *schedule,DES_cblock *ivec);
210void DES_pcbc_encrypt(const unsigned char *input,unsigned char *output,
211              long length,DES_key_schedule *schedule,DES_cblock *ivec,
212              int enc);
213DES_LONG DES_quad_cksum(const unsigned char *input,DES_cblock output[],
214            long length,int out_count,DES_cblock *seed);
215int DES_random_key(DES_cblock *ret);
216void DES_set_odd_parity(DES_cblock *key);
217int DES_check_key_parity(const_DES_cblock *key);
218int DES_is_weak_key(const_DES_cblock *key);
219/* DES_set_key (= set_key = DES_key_sched = key_sched) calls
220 * DES_set_key_checked if global variable DES_check_key is set,
221 * DES_set_key_unchecked otherwise. */
222int DES_set_key(const_DES_cblock *key,DES_key_schedule *schedule);
223int DES_key_sched(const_DES_cblock *key,DES_key_schedule *schedule);
224int DES_set_key_checked(const_DES_cblock *key,DES_key_schedule *schedule);
225void DES_set_key_unchecked(const_DES_cblock *key,DES_key_schedule *schedule);
226void DES_string_to_key(const char *str,DES_cblock *key);
227void DES_string_to_2keys(const char *str,DES_cblock *key1,DES_cblock *key2);
228void DES_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length,
229               DES_key_schedule *schedule,DES_cblock *ivec,int *num,
230               int enc);
231void DES_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length,
232               DES_key_schedule *schedule,DES_cblock *ivec,int *num);
233
234int DES_read_password(DES_cblock *key, const char *prompt, int verify);
235int DES_read_2passwords(DES_cblock *key1, DES_cblock *key2, const char *prompt,
236    int verify);
237
238#define DES_fixup_key_parity DES_set_odd_parity
239
240#ifdef  __cplusplus
241}
242#endif
243
244#endif
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