include/crypt.h

   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. */
  30 extern char *crypt (const char *__key, const char *__salt)
  31      __THROW __nonnull ((1, 2));
  32
  33 /* Setup DES tables according KEY.  */
  34 extern 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.  */
  38 extern void encrypt (char *__block, int __edflag) __THROW __nonnull ((1));
  39
  40 __END_DECLS
  41
  42 #endif  /* crypt.h */