| /* |
| * UFC-crypt: ultra fast crypt(3) implementation |
| * |
| * Copyright (C) 1991,92,93,96,97,98,2000,2004 Free Software Foundation, Inc. |
| * |
| * The GNU C Library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * The GNU C 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with the GNU C Library; 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) |
| __THROW __nonnull ((1, 2)); |
| |
| /* Setup DES tables according KEY. */ |
| extern void setkey (__const char *__key) __THROW __nonnull ((1)); |
| |
| /* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt |
| block in place. */ |
| extern void encrypt (char *__block, int __edflag) __THROW __nonnull ((1)); |
| |
| #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) |
| __THROW __nonnull ((1, 2, 3)); |
| |
| extern void setkey_r (__const char *__key, |
| struct crypt_data * __restrict __data) |
| __THROW __nonnull ((1, 2)); |
| |
| extern void encrypt_r (char *__block, int __edflag, |
| struct crypt_data * __restrict __data) |
| __THROW __nonnull ((1, 3)); |
| #endif |
| |
| __END_DECLS |
| |
| #endif /* crypt.h */ |
