]>
Commit | Line | Data |
---|---|---|
448e7440 ZJS |
1 | /* SPDX-License-Identifier: CC0-1.0 */ |
2 | ||
9bf3b535 LP |
3 | #pragma once |
4 | ||
5 | #include <inttypes.h> | |
11c3a366 TA |
6 | #include <stddef.h> |
7 | #include <stdint.h> | |
9bf3b535 LP |
8 | #include <sys/types.h> |
9 | ||
0b71a7e0 | 10 | #include "string-util.h" |
c2911d48 ZJS |
11 | #include "time-util.h" |
12 | ||
7c57f504 | 13 | struct siphash { |
6059dab8 LP |
14 | uint64_t v0; |
15 | uint64_t v1; | |
16 | uint64_t v2; | |
17 | uint64_t v3; | |
18 | uint64_t padding; | |
19 | size_t inlen; | |
7c57f504 TG |
20 | }; |
21 | ||
3042bbeb | 22 | void siphash24_init(struct siphash *state, const uint8_t k[static 16]); |
7c57f504 | 23 | void siphash24_compress(const void *in, size_t inlen, struct siphash *state); |
d5115566 | 24 | #define siphash24_compress_byte(byte, state) siphash24_compress((const uint8_t[]) { (byte) }, 1, (state)) |
c01a5c05 YW |
25 | #define siphash24_compress_typesafe(in, state) \ |
26 | siphash24_compress(&(in), sizeof(typeof(in)), (state)) | |
d5115566 | 27 | |
6c04fccb | 28 | static inline void siphash24_compress_boolean(bool in, struct siphash *state) { |
c01a5c05 | 29 | siphash24_compress_byte(in, state); |
6c04fccb YW |
30 | } |
31 | ||
c2911d48 | 32 | static inline void siphash24_compress_usec_t(usec_t in, struct siphash *state) { |
8722c7e7 | 33 | uint64_t u = htole64(in); |
c01a5c05 | 34 | siphash24_compress_typesafe(u, state); |
c2911d48 ZJS |
35 | } |
36 | ||
0b71a7e0 YW |
37 | static inline void siphash24_compress_safe(const void *in, size_t inlen, struct siphash *state) { |
38 | if (inlen == 0) | |
1c568d65 YW |
39 | return; |
40 | ||
0b71a7e0 YW |
41 | siphash24_compress(in, inlen, state); |
42 | } | |
43 | ||
44 | static inline void siphash24_compress_string(const char *in, struct siphash *state) { | |
45 | siphash24_compress_safe(in, strlen_ptr(in), state); | |
1c568d65 YW |
46 | } |
47 | ||
933f9cae | 48 | uint64_t siphash24_finalize(struct siphash *state); |
7c57f504 | 49 | |
3042bbeb | 50 | uint64_t siphash24(const void *in, size_t inlen, const uint8_t k[static 16]); |
a53f90ca | 51 | |
3042bbeb | 52 | static inline uint64_t siphash24_string(const char *s, const uint8_t k[static 16]) { |
a53f90ca LP |
53 | return siphash24(s, strlen(s) + 1, k); |
54 | } |