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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/* See LICENSE file for copyright and license details. */
#ifndef LIBBLAKE_H
#define LIBBLAKE_H
#include <stddef.h>
#include <stdint.h>
#if defined(__GNUC__)
# define LIBBLAKE_PURE__ __attribute__((__pure__))
# define LIBBLAKE_CONST__ __attribute__((__const__))
#else
# define LIBBLAKE_PURE__
# define LIBBLAKE_CONST__
#endif
void libblake_encode_hex(const void *data, size_t n, char out[/* static n * 2 + 1 */], int uppercase);
size_t libblake_decode_hex(const char *data, size_t n, void *out, int *validp);
#define LIBBLAKE_BLAKE224_OUTPUT_SIZE (224 / 8)
#define LIBBLAKE_BLAKE256_OUTPUT_SIZE (256 / 8)
#define LIBBLAKE_BLAKE384_OUTPUT_SIZE (384 / 8)
#define LIBBLAKE_BLAKE512_OUTPUT_SIZE (512 / 8)
struct libblake_blakes_state {
uint_least32_t h[8];
uint_least32_t s[4];
uint_least32_t t[2];
};
struct libblake_blakeb_state {
uint_least64_t h[8];
uint_least64_t s[4];
uint_least64_t t[2];
};
struct libblake_blake224_state { struct libblake_blakes_state s; };
struct libblake_blake256_state { struct libblake_blakes_state s; };
struct libblake_blake384_state { struct libblake_blakeb_state b; };
struct libblake_blake512_state { struct libblake_blakeb_state b; };
void libblake_blake224_init(struct libblake_blake224_state *state);
void libblake_blake224_init2(struct libblake_blake224_state *state, uint_least8_t salt[16]);
size_t libblake_blake224_update(struct libblake_blake224_state *state, const void *data, size_t len);
void libblake_blake224_digest(struct libblake_blake224_state *state, void *data, size_t len, size_t bits,
const char *suffix, unsigned char output[static LIBBLAKE_BLAKE224_OUTPUT_SIZE]);
LIBBLAKE_PURE__ size_t libblake_blake224_digest_get_required_input_size(size_t len, size_t bits, const char *suffix);
void libblake_blake256_init(struct libblake_blake256_state *state);
void libblake_blake256_init2(struct libblake_blake256_state *state, uint_least8_t salt[16]);
size_t libblake_blake256_update(struct libblake_blake256_state *state, const void *data, size_t len);
void libblake_blake256_digest(struct libblake_blake256_state *state, void *data, size_t len, size_t bits,
const char *suffix, unsigned char output[static LIBBLAKE_BLAKE256_OUTPUT_SIZE]);
LIBBLAKE_PURE__ size_t libblake_blake256_digest_get_required_input_size(size_t len, size_t bits, const char *suffix);
void libblake_blake384_init(struct libblake_blake384_state *state);
void libblake_blake384_init2(struct libblake_blake384_state *state, uint_least8_t salt[32]);
size_t libblake_blake384_update(struct libblake_blake384_state *state, const void *data, size_t len);
void libblake_blake384_digest(struct libblake_blake384_state *state, void *data, size_t len, size_t bits,
const char *suffix, unsigned char output[static LIBBLAKE_BLAKE384_OUTPUT_SIZE]);
LIBBLAKE_PURE__ size_t libblake_blake384_digest_get_required_input_size(size_t len, size_t bits, const char *suffix);
void libblake_blake512_init(struct libblake_blake512_state *state);
void libblake_blake512_init2(struct libblake_blake512_state *state, uint_least8_t salt[32]);
size_t libblake_blake512_update(struct libblake_blake512_state *state, const void *data, size_t len);
void libblake_blake512_digest(struct libblake_blake512_state *state, void *data, size_t len, size_t bits,
const char *suffix, unsigned char output[static LIBBLAKE_BLAKE512_OUTPUT_SIZE]);
LIBBLAKE_PURE__ size_t libblake_blake512_digest_get_required_input_size(size_t len, size_t bits, const char *suffix);
struct libblake_blake2s_params {
uint_least8_t digest_len; /* in bytes, [1, 32] */
uint_least8_t key_len; /* in bytes, [0, 32] */
uint_least8_t fanout; /* normally 1 */
uint_least8_t depth; /* normally 1 */
uint_least32_t leaf_len; /* normally 0 */
uint_least64_t node_offset; /* (48-bits) normally 0 */
uint_least8_t node_depth; /* normally 0 */
uint_least8_t inner_len; /* normally 0 */
uint_least8_t salt[8];
uint_least8_t pepper[8];
};
struct libblake_blake2b_params {
uint_least8_t digest_len; /* in bytes, [1, 64] */
uint_least8_t key_len; /* in bytes, [0, 64] */
uint_least8_t fanout; /* normally 1 */
uint_least8_t depth; /* normally 1 */
uint_least32_t leaf_len; /* normally 0 */
uint_least64_t node_offset; /* normally 0 */
uint_least8_t node_depth; /* normally 0 */
uint_least8_t inner_len; /* normally 0 */
uint_least8_t salt[16];
uint_least8_t pepper[16];
};
struct libblake_blake2xs_params {
uint_least8_t digest_len; /* in bytes, [1, 32] */
uint_least8_t key_len; /* in bytes, [0, 32] */
uint_least8_t fanout; /* normally 1 */
uint_least8_t depth; /* normally 1 */
uint_least32_t leaf_len; /* normally 0 */
uint_least32_t node_offset; /* normally 0 */
uint_least16_t xof_len; /* max if not known in advance */
uint_least8_t node_depth; /* normally 0 */
uint_least8_t inner_len; /* normally 0 */
uint_least8_t salt[8];
uint_least8_t pepper[8];
};
struct libblake_blake2xb_params {
uint_least8_t digest_len; /* in bytes, [1, 64] */
uint_least8_t key_len; /* in bytes, [0, 64] */
uint_least8_t fanout; /* normally 1 */
uint_least8_t depth; /* normally 1 */
uint_least32_t leaf_len; /* normally 0 */
uint_least32_t node_offset; /* normally 0 */
uint_least32_t xof_len; /* max if not known in advance */
uint_least8_t node_depth; /* normally 0 */
uint_least8_t inner_len; /* normally 0 */
uint_least8_t salt[16];
uint_least8_t pepper[16];
};
struct libblake_blake2s_state {
uint_least32_t h[8];
uint_least32_t t[2];
uint_least32_t f[2];
};
struct libblake_blake2b_state {
uint_least64_t h[8];
uint_least64_t t[2];
uint_least64_t f[2];
};
struct libblake_blake2xs_state {
struct libblake_blake2s_state b2s;
struct libblake_blake2xs_params xof_params;
unsigned char intermediate[64];
};
struct libblake_blake2xb_state {
struct libblake_blake2b_state b2b;
struct libblake_blake2xb_params xof_params;
unsigned char intermediate[128];
};
void libblake_blake2s_init(struct libblake_blake2s_state *state, const struct libblake_blake2s_params *params,
const unsigned char *key /* append null bytes until 64 bytes; if key is used */);
size_t libblake_blake2s_update(struct libblake_blake2s_state *state, const void *data, size_t len);
void libblake_blake2s_digest(struct libblake_blake2s_state *state, void *data, size_t len, int last_node /* normally 0 */,
size_t output_len, unsigned char output[static output_len]);
LIBBLAKE_CONST__ size_t libblake_blake2s_digest_get_required_input_size(size_t len);
void libblake_blake2b_init(struct libblake_blake2b_state *state, const struct libblake_blake2b_params *params,
const unsigned char *key /* append null bytes until 128 bytes; if key is used */);
size_t libblake_blake2b_update(struct libblake_blake2b_state *state, const void *data, size_t len);
void libblake_blake2b_digest(struct libblake_blake2b_state *state, void *data, size_t len, int last_node /* normally 0 */,
size_t output_len, unsigned char output[static output_len]);
LIBBLAKE_CONST__ size_t libblake_blake2b_digest_get_required_input_size(size_t len);
void libblake_blake2xs_init(struct libblake_blake2xs_state *state, const struct libblake_blake2xs_params *params,
const unsigned char *key /* append null bytes until 64 bytes; if key is used */);
inline size_t libblake_blake2xs_update(struct libblake_blake2xs_state *state, const void *data, size_t len) {
return libblake_blake2s_update(&state->b2s, data, len);
}
inline void libblake_blake2xs_predigest(struct libblake_blake2xs_state *state, void *data, size_t len, int last_node) {
libblake_blake2s_digest(&state->b2s, data, len, last_node, (size_t)state->xof_params.digest_len, state->intermediate);
}
LIBBLAKE_PURE__ inline size_t libblake_blake2xs_predigest_get_required_input_size(const struct libblake_blake2xs_state *state) {
return libblake_blake2s_digest_get_required_input_size((size_t)state->xof_params.digest_len);
}
void libblake_blake2xs_digest(const struct libblake_blake2xs_state *state,
uint_least32_t i /* start 0, increase by 1 until i * 32 >= desired hash length */,
uint_least8_t len /* desired hash MIN(length - i * 32, 32) */,
unsigned char output[static len] /* output for hash offset by i * 32 */);
void libblake_blake2xb_init(struct libblake_blake2xb_state *state, const struct libblake_blake2xb_params *params,
const unsigned char *key /* append null bytes until 128 bytes; if key is used */);
inline size_t libblake_blake2xb_update(struct libblake_blake2xb_state *state, const void *data, size_t len) {
return libblake_blake2b_update(&state->b2b, data, len);
}
inline void libblake_blake2xb_predigest(struct libblake_blake2xb_state *state, void *data, size_t len, int last_node) {
libblake_blake2b_digest(&state->b2b, data, len, last_node, state->xof_params.digest_len, state->intermediate);
}
LIBBLAKE_PURE__ inline size_t libblake_blake2xb_predigest_get_required_input_size(const struct libblake_blake2xb_state *state) {
return libblake_blake2b_digest_get_required_input_size((size_t)state->xof_params.digest_len);
}
void libblake_blake2xb_digest(const struct libblake_blake2xb_state *state,
uint_least32_t i /* start 0, increase by 1 until i * 64 >= desired hash length */,
uint_least8_t len /* desired hash MIN(length - i * 64, 64) */,
unsigned char output[static len] /* output for hash offset by i * 64 */);
#endif
|
