crc32/crc32.h

   1 /*
   2  * This is a tiny implementation of CRC-32.
   3  *
   4  * Written by Solar Designer <solar at openwall.com> in 1998, revised in
   5  * 2005 for use in John the Ripper, and placed in the public domain.
   6  * There's absolutely no warranty.
   7  */
   8
   9 #ifndef _JOHN_CRC32_H
  10 #define _JOHN_CRC32_H
  11
  12 typedef unsigned int crc32_t;
  13
  14 extern void crc32_init(crc32_t *value);
  15 #define crc32_start crc32_init
  16
  17 extern void crc32_update(crc32_t *value, const void *data, const unsigned int size);
  18 #define crc32_process crc32_update
  19
  20 extern void crc32_final(crc32_t *value, unsigned char *out);
  21 #define crc32_finish
  22
  23 extern void crc32_final2(crc32_t *value, unsigned char *out);
  24 #define crc32_finish2
  25
  26 #endif