wsockd/sha1.h

   1 /*
   2  * Based on the SHA-1 C implementation by Steve Reid <steve@edmweb.com>
   3  * 100% Public Domain
   4  */
   5
   6 #ifndef SHA1_H
   7 #define SHA1_H
   8
   9 #include <stddef.h>
  10 #include <stdint.h>
  11
  12 #define SHA1_BLOCK_LENGTH 64
  13 #define SHA1_DIGEST_LENGTH 20
  14
  15 typedef struct {
  16         uint32_t state[5];
  17         uint64_t count;
  18         uint8_t buffer[SHA1_BLOCK_LENGTH];
  19 } SHA1;
  20
  21 void sha1_init(SHA1 *sha1);
  22 void sha1_update(SHA1 *sha1, const uint8_t *data, size_t length);
  23 void sha1_final(SHA1 *sha1, uint8_t digest[SHA1_DIGEST_LENGTH]);
  24
  25 #endif // SHA1_H