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
12typedef struct {
13    uint32_t u32[2];
14} sip_uint64_t;
15#define uint64_t sip_uint64_t
16#else
17typedef uint64_t sip_uint64_t;
18#endif
19
20typedef 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
29typedef struct sip_interface_st sip_interface;
30
31typedef struct {
32    sip_state state[1];
33    const sip_interface *methods;
34} sip_hash;
35
36sip_hash *sip_hash_new(const uint8_t key[16], int c, int d);
37sip_hash *sip_hash_init(sip_hash *h, const uint8_t key[16], int c, int d);
38int sip_hash_update(sip_hash *h, const uint8_t *data, size_t len);
39int sip_hash_final(sip_hash *h, uint8_t **digest, size_t *len);
40int sip_hash_final_integer(sip_hash *h, uint64_t *digest);
41int sip_hash_digest(sip_hash *h, const uint8_t *data, size_t data_len, uint8_t **digest, size_t *digest_len);
42int sip_hash_digest_integer(sip_hash *h, const uint8_t *data, size_t data_len, uint64_t *digest);
43void sip_hash_free(sip_hash *h);
44void sip_hash_dump(sip_hash *h);
45
46uint64_t sip_hash24(const uint8_t key[16], const uint8_t *data, size_t len);
47
48#endif
49