sha1.h

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#ifndef SHA1_H
#define SHA1_H
 
/*
   SHA-1 in C
   By Steve Reid <steve@edmweb.com>
   100% Public Domain
 
   adopted for s/qmail (feh)
 */
 
#include <stdint.h>
/* SHA1 implementation */
 
#define SHA1_BLOCKSIZE  64
#define SHA1_DIGESTSIZE 20
 
typedef struct
{
  uint32_t state[5];
  uint32_t count[2];
  uint8_t buffer[SHA1_BLOCKSIZE];
} sha1_ctx;
 
void sha1_init(sha1_ctx *context);
void sha1_update(sha1_ctx *context, const uint8_t *data, uint32_t len);
void sha1_final(uint8_t hash[SHA1_DIGESTSIZE], sha1_ctx *context);
void sha1_transform(uint32_t state[5], const uint8_t buffer[SHA1_BLOCKSIZE]);
void sha1_hash(char *hash, const char *data, uint32_t len);
 
#endif /* SHA1_H */