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
30 /* Encrypt characters from KEY using salt to perturb the encryption method.
31 * If salt begins with "$1$", md5 hashing is used instead of DES. */
32 extern char *crypt (const char *__key, const char *__salt);
34 /* Setup DES tables according KEY. */
35 extern void setkey (const char *__key);
37 /* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
39 extern void encrypt (char *__block, int __edflag);
42 /* Reentrant versions of the functions above. The additional argument
43 points to a structure where the results are placed in. */
45 unsigned char b_data[64];
49 /* Stuff used by the des based routines */
51 /* Stuff used by the md5 based routines */
57 extern char *crypt_r (const char *__key, const char *__salt,
58 struct crypt_data * __data);
60 extern void setkey_r (const char *__key,
61 struct crypt_data * __data);
63 extern void encrypt_r (char *__block, int __edflag,
64 struct crypt_data * __data);