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; see the file COPYING.LIB.  If
  16  * not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef _CRYPT_H
  20 #define _CRYPT_H        1
  21
  22 #include <features.h>
  23
  24 __BEGIN_DECLS
  25
  26 /* Encrypt characters from KEY using salt to perturb the encryption method.
  27  * If salt begins with "$1$", MD5 hashing is used instead of DES. */
  28 extern char *crypt (const char *__key, const char *__salt)
  29      __THROW __nonnull ((1, 2));
  30
  31 /* Setup DES tables according KEY.  */
  32 extern void setkey (const char *__key) __THROW __nonnull ((1));
  33
  34 /* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
  35    block in place.  */
  36 extern void encrypt (char *__block, int __edflag) __THROW __nonnull ((1));
  37
  38 __END_DECLS
  39
  40 #endif  /* crypt.h */