1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
#include <assert.h>
#include <limits.h>
#include <stdint.h>
#include "blake2.h"
#include "crypto_generichash_blake2b.h"
#include "private/implementations.h"
int
crypto_generichash_blake2b(unsigned char *out, size_t outlen,
const unsigned char *in, unsigned long long inlen,
const unsigned char *key, size_t keylen)
{
if (outlen <= 0U || outlen > BLAKE2B_OUTBYTES ||
keylen > BLAKE2B_KEYBYTES || inlen > UINT64_MAX) {
return -1;
}
assert(outlen <= UINT8_MAX);
assert(keylen <= UINT8_MAX);
return blake2b((uint8_t *) out, in, key, (uint8_t) outlen, (uint64_t) inlen,
(uint8_t) keylen);
}
int
crypto_generichash_blake2b_salt_personal(
unsigned char *out, size_t outlen, const unsigned char *in,
unsigned long long inlen, const unsigned char *key, size_t keylen,
const unsigned char *salt, const unsigned char *personal)
{
if (outlen <= 0U || outlen > BLAKE2B_OUTBYTES ||
keylen > BLAKE2B_KEYBYTES || inlen > UINT64_MAX) {
return -1;
}
assert(outlen <= UINT8_MAX);
assert(keylen <= UINT8_MAX);
return blake2b_salt_personal((uint8_t *) out, in, key, (uint8_t) outlen,
(uint64_t) inlen, (uint8_t) keylen, salt,
personal);
}
int
crypto_generichash_blake2b_init(crypto_generichash_blake2b_state *state,
const unsigned char *key, const size_t keylen,
const size_t outlen)
{
if (outlen <= 0U || outlen > BLAKE2B_OUTBYTES ||
keylen > BLAKE2B_KEYBYTES) {
return -1;
}
assert(outlen <= UINT8_MAX);
assert(keylen <= UINT8_MAX);
if (key == NULL || keylen <= 0U) {
if (blake2b_init(state, (uint8_t) outlen) != 0) {
return -1; /* LCOV_EXCL_LINE */
}
} else if (blake2b_init_key(state, (uint8_t) outlen, key,
(uint8_t) keylen) != 0) {
return -1; /* LCOV_EXCL_LINE */
}
return 0;
}
int
crypto_generichash_blake2b_init_salt_personal(
crypto_generichash_blake2b_state *state, const unsigned char *key,
const size_t keylen, const size_t outlen, const unsigned char *salt,
const unsigned char *personal)
{
if (outlen <= 0U || outlen > BLAKE2B_OUTBYTES ||
keylen > BLAKE2B_KEYBYTES) {
return -1;
}
assert(outlen <= UINT8_MAX);
assert(keylen <= UINT8_MAX);
if (key == NULL || keylen <= 0U) {
if (blake2b_init_salt_personal(state, (uint8_t) outlen, salt,
personal) != 0) {
return -1; /* LCOV_EXCL_LINE */
}
} else if (blake2b_init_key_salt_personal(state, (uint8_t) outlen, key,
(uint8_t) keylen, salt,
personal) != 0) {
return -1; /* LCOV_EXCL_LINE */
}
return 0;
}
int
crypto_generichash_blake2b_update(crypto_generichash_blake2b_state *state,
const unsigned char *in,
unsigned long long inlen)
{
return blake2b_update(state, (const uint8_t *) in, (uint64_t) inlen);
}
int
crypto_generichash_blake2b_final(crypto_generichash_blake2b_state *state,
unsigned char *out, const size_t outlen)
{
assert(outlen <= UINT8_MAX);
return blake2b_final(state, (uint8_t *) out, (uint8_t) outlen);
}
int
_crypto_generichash_blake2b_pick_best_implementation(void)
{
return blake2b_pick_best_implementation();
}
|
