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 
56 SODIUM_EXPORT
57 int crypto_sign_keypair(unsigned char *pk, unsigned char *sk);
58 
59 SODIUM_EXPORT
60 int crypto_sign(unsigned char *sm, unsigned long long *smlen_p,
61                 const unsigned char *m, unsigned long long mlen,
62                 const unsigned char *sk);
63 
64 SODIUM_EXPORT
65 int crypto_sign_open(unsigned char *m, unsigned long long *mlen_p,
66                      const unsigned char *sm, unsigned long long smlen,
67                      const unsigned char *pk)
68             __attribute__ ((warn_unused_result));
69 
70 SODIUM_EXPORT
71 int crypto_sign_detached(unsigned char *sig, unsigned long long *siglen_p,
72                          const unsigned char *m, unsigned long long mlen,
73                          const unsigned char *sk);
74 
75 SODIUM_EXPORT
76 int crypto_sign_verify_detached(const unsigned char *sig,
77                                 const unsigned char *m,
78                                 unsigned long long mlen,
79                                 const unsigned char *pk)
80             __attribute__ ((warn_unused_result));
81 
82 SODIUM_EXPORT
83 int crypto_sign_init(crypto_sign_state *state);
84 
85 SODIUM_EXPORT
86 int crypto_sign_update(crypto_sign_state *state,
87                        const unsigned char *m, unsigned long long mlen);
88 
89 SODIUM_EXPORT
90 int crypto_sign_final_create(crypto_sign_state *state, unsigned char *sig,
91                              unsigned long long *siglen_p,
92                              const unsigned char *sk);
93 
94 SODIUM_EXPORT
95 int crypto_sign_final_verify(crypto_sign_state *state, unsigned char *sig,
96                              const unsigned char *pk)
97             __attribute__ ((warn_unused_result));
98 
99 #ifdef __cplusplus
100 }
101 #endif
102 
103 #endif
104