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 */ 83