libsodium (1.0.19)
1 #ifndef crypto_sign_H
2 #define crypto_sign_H
3
4 /*
5 * THREAD SAFETY: crypto_sign_keypair() is thread-safe,
6 * provided that sodium_init() was called before.
7 *
8 * Other functions, including crypto_sign_seed_keypair() are always thread-safe.
9 */
10
11 #include <stddef.h>
12
13 #include "crypto_sign_ed25519.h"
14 #include "export.h"
15
16 #ifdef __cplusplus
17 # ifdef __GNUC__
18 # pragma GCC diagnostic ignored "-Wlong-long"
19 # endif
20 extern "C" {
21 #endif
22
23 typedef crypto_sign_ed25519ph_state crypto_sign_state;
24
25 SODIUM_EXPORT
26 size_t crypto_sign_statebytes(void);
27
28 #define crypto_sign_BYTES crypto_sign_ed25519_BYTES
29 SODIUM_EXPORT
30 size_t crypto_sign_bytes(void);
31
32 #define crypto_sign_SEEDBYTES crypto_sign_ed25519_SEEDBYTES
33 SODIUM_EXPORT
34 size_t crypto_sign_seedbytes(void);
35
36 #define crypto_sign_PUBLICKEYBYTES crypto_sign_ed25519_PUBLICKEYBYTES
37 SODIUM_EXPORT
38 size_t crypto_sign_publickeybytes(void);
39
40 #define crypto_sign_SECRETKEYBYTES crypto_sign_ed25519_SECRETKEYBYTES
41 SODIUM_EXPORT
42 size_t crypto_sign_secretkeybytes(void);
43
44 #define crypto_sign_MESSAGEBYTES_MAX crypto_sign_ed25519_MESSAGEBYTES_MAX
45 SODIUM_EXPORT
46 size_t crypto_sign_messagebytes_max(void);
47
48 #define crypto_sign_PRIMITIVE "ed25519"
49 SODIUM_EXPORT
50 const char *crypto_sign_primitive(void);
51
52 SODIUM_EXPORT
53 int crypto_sign_seed_keypair(unsigned char *pk, unsigned char *sk,
54 const unsigned char *seed)
55 __attribute__ ((nonnull));
56
57 SODIUM_EXPORT
58 int crypto_sign_keypair(unsigned char *pk, unsigned char *sk)
59 __attribute__ ((nonnull));
60
61 SODIUM_EXPORT
62 int crypto_sign(unsigned char *sm, unsigned long long *smlen_p,
63 const unsigned char *m, unsigned long long mlen,
64 const unsigned char *sk) __attribute__ ((nonnull(1, 5)));
65
66 SODIUM_EXPORT
67 int crypto_sign_open(unsigned char *m, unsigned long long *mlen_p,
68 const unsigned char *sm, unsigned long long smlen,
69 const unsigned char *pk)
70 __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(3, 5)));
71
72 SODIUM_EXPORT
73 int crypto_sign_detached(unsigned char *sig, unsigned long long *siglen_p,
74 const unsigned char *m, unsigned long long mlen,
75 const unsigned char *sk) __attribute__ ((nonnull(1, 5)));
76
77 SODIUM_EXPORT
78 int crypto_sign_verify_detached(const unsigned char *sig,
79 const unsigned char *m,
80 unsigned long long mlen,
81 const unsigned char *pk)
82 __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(1, 4)));
83
84 SODIUM_EXPORT
85 int crypto_sign_init(crypto_sign_state *state);
86
87 SODIUM_EXPORT
88 int crypto_sign_update(crypto_sign_state *state,
89 const unsigned char *m, unsigned long long mlen)
90 __attribute__ ((nonnull(1)));
91
92 SODIUM_EXPORT
93 int crypto_sign_final_create(crypto_sign_state *state, unsigned char *sig,
94 unsigned long long *siglen_p,
95 const unsigned char *sk)
96 __attribute__ ((nonnull(1, 2, 4)));
97
98 SODIUM_EXPORT
99 int crypto_sign_final_verify(crypto_sign_state *state, const unsigned char *sig,
100 const unsigned char *pk)
101 __attribute__ ((warn_unused_result)) __attribute__ ((nonnull));
102
103 #ifdef __cplusplus
104 }
105 #endif
106
107 #endif
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