siphash.h

   1 #ifndef SIPHASH_H
   2 #define SIPHASH_H 1
   3 #include <stdlib.h>
   4 #ifdef HAVE_STDINT_H
   5 #include <stdint.h>
   6 #endif
   7 #ifdef HAVE_INTTYPES_H
   8 #include <inttypes.h>
   9 #endif
  10
  11 #ifndef HAVE_UINT64_T
  12 typedef struct {
  13     uint32_t u32[2];
  14 } sip_uint64_t;
  15 #define uint64_t sip_uint64_t
  16 #else
  17 typedef uint64_t sip_uint64_t;
  18 #endif
  19
  20 typedef struct {
  21     int c;
  22     int d;
  23     uint64_t v[4];
  24     uint8_t buf[sizeof(uint64_t)];
  25     uint8_t buflen;
  26     uint8_t msglen_byte;
  27 } sip_state;
  28
  29 typedef struct sip_interface_st sip_interface;
  30
  31 typedef struct {
  32     sip_state state[1];
  33     const sip_interface *methods;
  34 } sip_hash;
  35
  36 sip_hash *sip_hash_new(const uint8_t key[16], int c, int d);
  37 sip_hash *sip_hash_init(sip_hash *h, const uint8_t key[16], int c, int d);
  38 int sip_hash_update(sip_hash *h, const uint8_t *data, size_t len);
  39 int sip_hash_final(sip_hash *h, uint8_t **digest, size_t *len);
  40 int sip_hash_final_integer(sip_hash *h, uint64_t *digest);
  41 int sip_hash_digest(sip_hash *h, const uint8_t *data, size_t data_len, uint8_t **digest, size_t *digest_len);
  42 int sip_hash_digest_integer(sip_hash *h, const uint8_t *data, size_t data_len, uint64_t *digest);
  43 void sip_hash_free(sip_hash *h);
  44 void sip_hash_dump(sip_hash *h);
  45
  46 NO_SANITIZE("unsigned-integer-overflow", uint64_t sip_hash13(const uint8_t key[16], const uint8_t *data, size_t len));
  47
  48 #endif