scamac_hash.h

#ifndef SCAMAC_HASH_H 
#define SCAMAC_HASH_H 

#include <inttypes.h>

#include "scamac_error.h"

struct scamac_md5_state_st {
  uint64_t n; // number of bytes processed
  uint32_t a[4];
  uint32_t rem[16]; // remaining bits of incomplete chunk, at most 16 uint32_t
};

typedef struct scamac_md5_state_st ScamacHashState;

ScamacErrorCode scamac_hash_init   (ScamacHashState * st);
ScamacErrorCode scamac_hash_process(ScamacHashState * st, int nb, const uint8_t *data);
ScamacErrorCode scamac_hash_finish (ScamacHashState * st);
ScamacErrorCode scamac_hash_digest (const ScamacHashState * st, uint32_t digest[4]);

          void scamac_print_digest(uint32_t digest[4]);

#endif /* SCAMAC_HASH_H */