crypt.h 1.4 KB

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  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. #ifndef _CRYPT_H
  19. #define _CRYPT_H 1
  20. #include <features.h>
  21. __BEGIN_DECLS
  22. /* Encrypt characters from KEY using salt to perturb the encryption method.
  23. * If salt begins with "$1$", MD5 hashing is used instead of DES. */
  24. extern char *crypt (const char *__key, const char *__salt)
  25. __THROW __nonnull ((1, 2));
  26. /* Setup DES tables according KEY. */
  27. extern void setkey (const char *__key) __THROW __nonnull ((1));
  28. /* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
  29. block in place. */
  30. extern void encrypt (char *__block, int __edflag) __THROW __nonnull ((1));
  31. __END_DECLS
  32. #endif /* crypt.h */