Ruby  3.4.0dev (2024-11-05 revision 348a53415339076afc4a02fcd09f3ae36e9c4c61)
siphash.h (348a53415339076afc4a02fcd09f3ae36e9c4c61)
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
int len
Length of the buffer.
Definition: io.h:8