/* * UFC-crypt: ultra fast crypt(3) implementation * * Copyright (C) 1991, 92, 93, 96, 97, 98, 2000 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 1.5 12/20/96 * */ #ifndef _CRYPT_H #define _CRYPT_H 1 #include <features.h> __BEGIN_DECLS /* Encrypt at most 8 characters from KEY using salt to perturb DES. */ extern char *crypt (__const char *__key, __const char *__salt); /* Setup DES tables according KEY. */ extern void setkey (__const char *__key); /* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt block in place. */ extern void encrypt (char *__block, int __edflag); #ifdef __USE_GNU /* Reentrant versions of the functions above. The additional argument points to a structure where the results are placed in. */ struct crypt_data { char keysched[16 * 8]; char sb0[32768]; char sb1[32768]; char sb2[32768]; char sb3[32768]; /* end-of-aligment-critical-data */ char crypt_3_buf[14]; char current_salt[2]; long int current_saltbits; int direction, initialized; }; extern char *crypt_r (__const char *__key, __const char *__salt, struct crypt_data * __restrict __data); extern void setkey_r (__const char *__key, struct crypt_data * __restrict __data); extern void encrypt_r (char *__block, int __edflag, struct crypt_data * __restrict __data); #endif __END_DECLS #endif /* crypt.h */