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highwayhash/c/highwayhash.h  view on Meta::CPAN

/*////////////////////////////////////////////////////////////////////////////*/
/* Cat API: allows appending with multiple calls                              */
/*////////////////////////////////////////////////////////////////////////////*/

typedef struct {
  HighwayHashState state;
  uint8_t packet[32];
  int num;
} HighwayHashCat;

/* Allocates new state for a new streaming hash computation */
void HighwayHashCatStart(const uint64_t key[4], HighwayHashCat* state);

void HighwayHashCatAppend(const uint8_t* bytes, size_t num,
                          HighwayHashCat* state);

/* Computes final hash value */
uint64_t HighwayHashCatFinish64(const HighwayHashCat* state);
void HighwayHashCatFinish128(const HighwayHashCat* state, uint64_t hash[2]);
void HighwayHashCatFinish256(const HighwayHashCat* state, uint64_t hash[4]);