src/basic/siphash24.h

   1 #pragma once
   2
   3 #include <inttypes.h>
   4 #include <stddef.h>
   5 #include <stdint.h>
   6 #include <string.h>
   7 #include <sys/types.h>
   8
   9 struct siphash {
  10         uint64_t v0;
  11         uint64_t v1;
  12         uint64_t v2;
  13         uint64_t v3;
  14         uint64_t padding;
  15         size_t inlen;
  16 };
  17
  18 void siphash24_init(struct siphash *state, const uint8_t k[static 16]);
  19 void siphash24_compress(const void *in, size_t inlen, struct siphash *state);
  20 #define siphash24_compress_byte(byte, state) siphash24_compress((const uint8_t[]) { (byte) }, 1, (state))
  21
  22 uint64_t siphash24_finalize(struct siphash *state);
  23
  24 uint64_t siphash24(const void *in, size_t inlen, const uint8_t k[static 16]);
  25
  26 static inline uint64_t siphash24_string(const char *s, const uint8_t k[static 16]) {
  27         return siphash24(s, strlen(s) + 1, k);
  28 }