glibc/sysdeps/generic/crypt.h
1996-11-15 04:08:00 +00:00

60 lines
1.8 KiB
C

/*
* UFC-crypt: ultra fast crypt(3) implementation
*
* Copyright (C) 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the GNU C Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* @(#)crypt.h 1.3 16 Sep 1996
*
*/
#ifndef _CRYPT_H
#define _CRYPT_H 1
#include <features.h>
__BEGIN_DECLS
struct crypt_data
{
char keysched[(16 * 8) / sizeof (char)];
char sb0[32768 / sizeof (char)];
char sb1[32768 / sizeof (char)];
char sb2[32768 / sizeof (char)];
char sb3[32768 / sizeof (char)];
/* end-of-aligment-critical-data */
char crypt_3_buf[14];
char current_salt[2];
long current_saltbits;
int direction, initialized;
};
/* Encrypt at most 8 characters from KEY using salt to perturb DES. */
extern char *crypt __P ((__const char *__key, __const char *__salt));
#ifdef __USE_REENTRANT
/* Reentrant versions of the functions above. The additional argument
points to a structure where the results are placed in. */
extern char *crypt_r __P ((__const char *__key, __const char *__salt,
struct crypt_data *__data));
#endif /* reentrant */
__END_DECLS
#endif /* crypt.h */