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
|
/* eddsa.h
Copyright (C) 2014 Niels Möller
This file is part of GNU Nettle.
GNU Nettle is free software: you can redistribute it and/or
modify it under the terms of either:
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your
option) any later version.
or
* the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.
or both in parallel, as here.
GNU Nettle is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see http://www.gnu.org/licenses/.
*/
#ifndef NETTLE_EDDSA_H
#define NETTLE_EDDSA_H
#include "nettle-types.h"
#include "bignum.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Name mangling */
#define ed25519_sha512_set_private_key nettle_ed25519_sha512_set_private_key
#define ed25519_sha512_public_key nettle_ed25519_sha512_public_key
#define ed25519_sha512_sign nettle_ed25519_sha512_sign
#define ed25519_sha512_verify nettle_ed25519_sha512_verify
#define _eddsa_compress _nettle_eddsa_compress
#define _eddsa_compress_itch _nettle_eddsa_compress_itch
#define _eddsa_decompress _nettle_eddsa_decompress
#define _eddsa_decompress_itch _nettle_eddsa_decompress_itch
#define _eddsa_hash _nettle_eddsa_hash
#define _eddsa_expand_key _nettle_eddsa_expand_key
#define _eddsa_sign _nettle_eddsa_sign
#define _eddsa_sign_itch _nettle_eddsa_sign_itch
#define _eddsa_verify _nettle_eddsa_verify
#define _eddsa_verify_itch _nettle_eddsa_verify_itch
#define _eddsa_public_key_itch _nettle_eddsa_public_key_itch
#define _eddsa_public_key _nettle_eddsa_public_key
#define ED25519_KEY_SIZE 32
#define ED25519_SIGNATURE_SIZE 64
void
ed25519_sha512_public_key (uint8_t *pub, const uint8_t *priv);
void
ed25519_sha512_sign (const uint8_t *pub,
const uint8_t *priv,
size_t length, const uint8_t *msg,
uint8_t *signature);
int
ed25519_sha512_verify (const uint8_t *pub,
size_t length, const uint8_t *msg,
const uint8_t *signature);
/* Low-level internal functions */
struct ecc_curve;
struct ecc_modulo;
mp_size_t
_eddsa_compress_itch (const struct ecc_curve *ecc);
void
_eddsa_compress (const struct ecc_curve *ecc, uint8_t *r, mp_limb_t *p,
mp_limb_t *scratch);
mp_size_t
_eddsa_decompress_itch (const struct ecc_curve *ecc);
int
_eddsa_decompress (const struct ecc_curve *ecc, mp_limb_t *p,
const uint8_t *cp,
mp_limb_t *scratch);
void
_eddsa_hash (const struct ecc_modulo *m,
mp_limb_t *rp, const uint8_t *digest);
mp_size_t
_eddsa_sign_itch (const struct ecc_curve *ecc);
void
_eddsa_sign (const struct ecc_curve *ecc,
const struct nettle_hash *H,
const uint8_t *pub,
void *ctx,
const mp_limb_t *k2,
size_t length,
const uint8_t *msg,
uint8_t *signature,
mp_limb_t *scratch);
mp_size_t
_eddsa_verify_itch (const struct ecc_curve *ecc);
int
_eddsa_verify (const struct ecc_curve *ecc,
const struct nettle_hash *H,
const uint8_t *pub,
const mp_limb_t *A,
void *ctx,
size_t length,
const uint8_t *msg,
const uint8_t *signature,
mp_limb_t *scratch);
void
_eddsa_expand_key (const struct ecc_curve *ecc,
const struct nettle_hash *H,
void *ctx,
const uint8_t *key,
uint8_t *digest,
mp_limb_t *k2);
mp_size_t
_eddsa_public_key_itch (const struct ecc_curve *ecc);
void
_eddsa_public_key (const struct ecc_curve *ecc,
const mp_limb_t *k, uint8_t *pub, mp_limb_t *scratch);
#ifdef __cplusplus
}
#endif
#endif /* NETTLE_EDDSA_H */
|
