1/* 2 * crypt(3) implementation for uClibc 3 * 4 * The uClibc Library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * The GNU C Library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with the GNU C Library; if not, write to the Free 16 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 * 02111-1307 USA. 18 * 19 */ 20 21#ifndef _CRYPT_H 22#define _CRYPT_H 1 23 24#include <features.h> 25 26__BEGIN_DECLS 27 28/* Encrypt characters from KEY using salt to perturb the encryption method. 29 * If salt begins with "$1$", MD5 hashing is used instead of DES. */ 30extern char *crypt (const char *__key, const char *__salt) 31 __THROW __nonnull ((1, 2)); 32 33/* Setup DES tables according KEY. */ 34extern void setkey (const char *__key) __THROW __nonnull ((1)); 35 36/* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt 37 block in place. */ 38extern void encrypt (char *__block, int __edflag) __THROW __nonnull ((1)); 39 40__END_DECLS 41 42#endif /* crypt.h */ 43