2 * UFC-crypt: ultra fast crypt(3) implementation
4 * Copyright (C) 1991-1993,1996-1998,2000,2004,2012
5 * Free Software Foundation, Inc.
7 * The GNU C Library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with the GNU C Library; if not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 * @(#)crypt.h 1.5 12/20/96
33 /* Encrypt at most 8 characters from KEY using salt to perturb DES. */
34 extern char *crypt (const char *__key, const char *__salt)
35 __THROW __nonnull ((1, 2));
37 /* Setup DES tables according KEY. */
38 extern void setkey (const char *__key) __THROW __nonnull ((1));
40 /* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
42 extern void encrypt (char *__block, int __edflag) __THROW __nonnull ((1));
45 /* Reentrant versions of the functions above. The additional argument
46 points to a structure where the results are placed in. */
49 char keysched[16 * 8];
54 /* end-of-aligment-critical-data */
57 long int current_saltbits;
58 int direction, initialized;
61 extern char *crypt_r (const char *__key, const char *__salt,
62 struct crypt_data * __restrict __data)
63 __THROW __nonnull ((1, 2, 3));
65 extern void setkey_r (const char *__key,
66 struct crypt_data * __restrict __data)
67 __THROW __nonnull ((1, 2));
69 extern void encrypt_r (char *__block, int __edflag,
70 struct crypt_data * __restrict __data)
71 __THROW __nonnull ((1, 3));