PostgreSQL Source Code  git master
px-crypt.h
Go to the documentation of this file.
1 /*
2  * px-crypt.h
3  * Header file for px_crypt().
4  *
5  * Copyright (c) 2001 Marko Kreen
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * contrib/pgcrypto/px-crypt.h
30  */
31 
32 #ifndef _PX_CRYPT_H
33 #define _PX_CRYPT_H
34 
35 /* max room for result */
36 #define PX_MAX_CRYPT 128
37 
38 /* max salt returned by gen_salt() */
39 #define PX_MAX_SALT_LEN 128
40 
41 /* default rounds for xdes salt */
42 /* NetBSD bin/passwd/local_passwd.c has (29 * 25)*/
43 #define PX_XDES_ROUNDS (29 * 25)
44 
45 /* default for blowfish salt */
46 #define PX_BF_ROUNDS 6
47 
48 /*
49  * main interface
50  */
51 char *px_crypt(const char *psw, const char *salt, char *buf, unsigned buflen);
52 int px_gen_salt(const char *salt_type, char *dst, int rounds);
53 
54 /*
55  * internal functions
56  */
57 
58 /* crypt-gensalt.c */
59 char *_crypt_gensalt_traditional_rn(unsigned long count,
60  const char *input, int size, char *output, int output_size);
61 char *_crypt_gensalt_extended_rn(unsigned long count,
62  const char *input, int size, char *output, int output_size);
63 char *_crypt_gensalt_md5_rn(unsigned long count,
64  const char *input, int size, char *output, int output_size);
65 char *_crypt_gensalt_blowfish_rn(unsigned long count,
66  const char *input, int size, char *output, int output_size);
67 
68 /* disable 'extended DES crypt' */
69 /* #define DISABLE_XDES */
70 
71 /* crypt-blowfish.c */
72 char *_crypt_blowfish_rn(const char *key, const char *setting,
73  char *output, int size);
74 
75 /* crypt-des.c */
76 char *px_crypt_des(const char *key, const char *setting);
77 
78 /* crypt-md5.c */
79 char *px_crypt_md5(const char *pw, const char *salt,
80  char *dst, unsigned dstlen);
81 
82 #endif /* _PX_CRYPT_H */
output
static void output(uint64 loop_count)
Definition: pg_test_timing.c:171
_crypt_gensalt_traditional_rn
char * _crypt_gensalt_traditional_rn(unsigned long count, const char *input, int size, char *output, int output_size)
Definition: crypt-gensalt.c:25
_crypt_gensalt_md5_rn
char * _crypt_gensalt_md5_rn(unsigned long count, const char *input, int size, char *output, int output_size)
Definition: crypt-gensalt.c:79
px_crypt_des
char * px_crypt_des(const char *key, const char *setting)
Definition: crypt-des.c:651
_crypt_blowfish_rn
char * _crypt_blowfish_rn(const char *key, const char *setting, char *output, int size)
Definition: crypt-blowfish.c:580
buf
static char * buf
Definition: pg_test_fsync.c:67
_crypt_gensalt_blowfish_rn
char * _crypt_gensalt_blowfish_rn(unsigned long count, const char *input, int size, char *output, int output_size)
Definition: crypt-gensalt.c:161
_crypt_gensalt_extended_rn
char * _crypt_gensalt_extended_rn(unsigned long count, const char *input, int size, char *output, int output_size)
Definition: crypt-gensalt.c:43
px_gen_salt
int px_gen_salt(const char *salt_type, char *dst, int rounds)
Definition: px-crypt.c:134
px_crypt
char * px_crypt(const char *psw, const char *salt, char *buf, unsigned buflen)
Definition: px-crypt.c:92
px_crypt_md5
char * px_crypt_md5(const char *pw, const char *salt, char *dst, unsigned dstlen)
Definition: crypt-md5.c:34