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git.ipfire.org Git - thirdparty/openssl.git/blob - include/openssl/des.h
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 # define OPENSSL_DES_H
13 # include <openssl/opensslconf.h>
15 # ifndef OPENSSL_NO_DES
19 # include <openssl/e_os2.h>
21 typedef unsigned int DES_LONG
;
23 # ifdef OPENSSL_BUILD_SHLIBCRYPTO
24 # undef OPENSSL_EXTERN
25 # define OPENSSL_EXTERN OPENSSL_EXPORT
28 typedef unsigned char DES_cblock
[8];
29 typedef /* const */ unsigned char const_DES_cblock
[8];
31 * With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * and
32 * const_DES_cblock * are incompatible pointer types.
35 typedef struct DES_ks
{
39 * make sure things are correct size on machines with 8 byte longs
45 # define DES_KEY_SZ (sizeof(DES_cblock))
46 # define DES_SCHEDULE_SZ (sizeof(DES_key_schedule))
48 # define DES_ENCRYPT 1
49 # define DES_DECRYPT 0
51 # define DES_CBC_MODE 0
52 # define DES_PCBC_MODE 1
54 # define DES_ecb2_encrypt(i,o,k1,k2,e) \
55 DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
57 # define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
58 DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
60 # define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
61 DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
63 # define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
64 DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
66 const char *DES_options(void);
67 void DES_ecb3_encrypt(const_DES_cblock
*input
, DES_cblock
*output
,
68 DES_key_schedule
*ks1
, DES_key_schedule
*ks2
,
69 DES_key_schedule
*ks3
, int enc
);
70 DES_LONG
DES_cbc_cksum(const unsigned char *input
, DES_cblock
*output
,
71 long length
, DES_key_schedule
*schedule
,
72 const_DES_cblock
*ivec
);
73 /* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */
74 void DES_cbc_encrypt(const unsigned char *input
, unsigned char *output
,
75 long length
, DES_key_schedule
*schedule
,
76 DES_cblock
*ivec
, int enc
);
77 void DES_ncbc_encrypt(const unsigned char *input
, unsigned char *output
,
78 long length
, DES_key_schedule
*schedule
,
79 DES_cblock
*ivec
, int enc
);
80 void DES_xcbc_encrypt(const unsigned char *input
, unsigned char *output
,
81 long length
, DES_key_schedule
*schedule
,
82 DES_cblock
*ivec
, const_DES_cblock
*inw
,
83 const_DES_cblock
*outw
, int enc
);
84 void DES_cfb_encrypt(const unsigned char *in
, unsigned char *out
, int numbits
,
85 long length
, DES_key_schedule
*schedule
,
86 DES_cblock
*ivec
, int enc
);
87 void DES_ecb_encrypt(const_DES_cblock
*input
, DES_cblock
*output
,
88 DES_key_schedule
*ks
, int enc
);
91 * This is the DES encryption function that gets called by just about every
92 * other DES routine in the library. You should not use this function except
93 * to implement 'modes' of DES. I say this because the functions that call
94 * this routine do the conversion from 'char *' to long, and this needs to be
95 * done to make sure 'non-aligned' memory access do not occur. The
96 * characters are loaded 'little endian'. Data is a pointer to 2 unsigned
97 * long's and ks is the DES_key_schedule to use. enc, is non zero specifies
98 * encryption, zero if decryption.
100 void DES_encrypt1(DES_LONG
*data
, DES_key_schedule
*ks
, int enc
);
103 * This functions is the same as DES_encrypt1() except that the DES initial
104 * permutation (IP) and final permutation (FP) have been left out. As for
105 * DES_encrypt1(), you should not use this function. It is used by the
106 * routines in the library that implement triple DES. IP() DES_encrypt2()
107 * DES_encrypt2() DES_encrypt2() FP() is the same as DES_encrypt1()
108 * DES_encrypt1() DES_encrypt1() except faster :-).
110 void DES_encrypt2(DES_LONG
*data
, DES_key_schedule
*ks
, int enc
);
112 void DES_encrypt3(DES_LONG
*data
, DES_key_schedule
*ks1
,
113 DES_key_schedule
*ks2
, DES_key_schedule
*ks3
);
114 void DES_decrypt3(DES_LONG
*data
, DES_key_schedule
*ks1
,
115 DES_key_schedule
*ks2
, DES_key_schedule
*ks3
);
116 void DES_ede3_cbc_encrypt(const unsigned char *input
, unsigned char *output
,
118 DES_key_schedule
*ks1
, DES_key_schedule
*ks2
,
119 DES_key_schedule
*ks3
, DES_cblock
*ivec
, int enc
);
120 void DES_ede3_cfb64_encrypt(const unsigned char *in
, unsigned char *out
,
121 long length
, DES_key_schedule
*ks1
,
122 DES_key_schedule
*ks2
, DES_key_schedule
*ks3
,
123 DES_cblock
*ivec
, int *num
, int enc
);
124 void DES_ede3_cfb_encrypt(const unsigned char *in
, unsigned char *out
,
125 int numbits
, long length
, DES_key_schedule
*ks1
,
126 DES_key_schedule
*ks2
, DES_key_schedule
*ks3
,
127 DES_cblock
*ivec
, int enc
);
128 void DES_ede3_ofb64_encrypt(const unsigned char *in
, unsigned char *out
,
129 long length
, DES_key_schedule
*ks1
,
130 DES_key_schedule
*ks2
, DES_key_schedule
*ks3
,
131 DES_cblock
*ivec
, int *num
);
132 char *DES_fcrypt(const char *buf
, const char *salt
, char *ret
);
133 char *DES_crypt(const char *buf
, const char *salt
);
134 void DES_ofb_encrypt(const unsigned char *in
, unsigned char *out
, int numbits
,
135 long length
, DES_key_schedule
*schedule
,
137 void DES_pcbc_encrypt(const unsigned char *input
, unsigned char *output
,
138 long length
, DES_key_schedule
*schedule
,
139 DES_cblock
*ivec
, int enc
);
140 DES_LONG
DES_quad_cksum(const unsigned char *input
, DES_cblock output
[],
141 long length
, int out_count
, DES_cblock
*seed
);
142 int DES_random_key(DES_cblock
*ret
);
143 void DES_set_odd_parity(DES_cblock
*key
);
144 int DES_check_key_parity(const_DES_cblock
*key
);
145 int DES_is_weak_key(const_DES_cblock
*key
);
147 * DES_set_key (= set_key = DES_key_sched = key_sched) calls
148 * DES_set_key_checked
150 int DES_set_key(const_DES_cblock
*key
, DES_key_schedule
*schedule
);
151 int DES_key_sched(const_DES_cblock
*key
, DES_key_schedule
*schedule
);
152 int DES_set_key_checked(const_DES_cblock
*key
, DES_key_schedule
*schedule
);
153 void DES_set_key_unchecked(const_DES_cblock
*key
, DES_key_schedule
*schedule
);
154 void DES_string_to_key(const char *str
, DES_cblock
*key
);
155 void DES_string_to_2keys(const char *str
, DES_cblock
*key1
, DES_cblock
*key2
);
156 void DES_cfb64_encrypt(const unsigned char *in
, unsigned char *out
,
157 long length
, DES_key_schedule
*schedule
,
158 DES_cblock
*ivec
, int *num
, int enc
);
159 void DES_ofb64_encrypt(const unsigned char *in
, unsigned char *out
,
160 long length
, DES_key_schedule
*schedule
,
161 DES_cblock
*ivec
, int *num
);
163 # define DES_fixup_key_parity DES_set_odd_parity