2 * UFC-crypt: ultra fast crypt(3) implementation
4 * Copyright (C) 1991, 92, 93, 96, 97, 98, 2000 Free Software Foundation, Inc.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with the GNU C Library; see the file COPYING.LIB. If not,
18 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
21 * @(#)crypt.h 1.5 12/20/96
32 /* Encrypt characters from KEY using salt to perturb the encryption method.
33 * If salt begins with "$1$", md5 hashing is used instead of DES. */
34 extern char *crypt (const char *__key, const char *__salt);
36 /* Setup DES tables according KEY. */
37 extern void setkey (const char *__key);
39 /* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
41 extern void encrypt (char *__block, int __edflag);
44 /* Reentrant versions of the functions above. The additional argument
45 points to a structure where the results are placed in. */
47 unsigned char b_data[64];
50 unsigned char o_data[64];
54 /* Stuff used by the des based routines */
56 const struct ordering *EP;
57 /* Stuff used by the md5 based routines */
62 extern char *crypt_r (const char *__key, const char *__salt,
63 struct crypt_data * __data);
65 extern void setkey_r (const char *__key,
66 struct crypt_data * __data);
68 extern void encrypt_r (char *__block, int __edflag,
69 struct crypt_data * __data);