15 void siphash_init(struct siphash *state, const uint8_t k[16]);
16 void siphash24_compress(const void *in, size_t inlen, struct siphash *state);
17 uint64_t siphash24_finalize(struct siphash *state);
19 void siphash24(uint8_t out[8], const void *in, size_t inlen, const uint8_t k[16]);