libsodium (1.0.19)
1 #ifndef crypto_secretbox_xchacha20poly1305_H
2 #define crypto_secretbox_xchacha20poly1305_H
3
4 #include <stddef.h>
5 #include "crypto_stream_xchacha20.h"
6 #include "export.h"
7
8 #ifdef __cplusplus
9 # ifdef __GNUC__
10 # pragma GCC diagnostic ignored "-Wlong-long"
11 # endif
12 extern "C" {
13 #endif
14
15 #define crypto_secretbox_xchacha20poly1305_KEYBYTES 32U
16 SODIUM_EXPORT
17 size_t crypto_secretbox_xchacha20poly1305_keybytes(void);
18
19 #define crypto_secretbox_xchacha20poly1305_NONCEBYTES 24U
20 SODIUM_EXPORT
21 size_t crypto_secretbox_xchacha20poly1305_noncebytes(void);
22
23 #define crypto_secretbox_xchacha20poly1305_MACBYTES 16U
24 SODIUM_EXPORT
25 size_t crypto_secretbox_xchacha20poly1305_macbytes(void);
26
27 #define crypto_secretbox_xchacha20poly1305_MESSAGEBYTES_MAX \
28 (crypto_stream_xchacha20_MESSAGEBYTES_MAX - crypto_secretbox_xchacha20poly1305_MACBYTES)
29 SODIUM_EXPORT
30 size_t crypto_secretbox_xchacha20poly1305_messagebytes_max(void);
31
32 SODIUM_EXPORT
33 int crypto_secretbox_xchacha20poly1305_easy(unsigned char *c,
34 const unsigned char *m,
35 unsigned long long mlen,
36 const unsigned char *n,
37 const unsigned char *k)
38 __attribute__ ((nonnull(1, 4, 5)));
39
40 SODIUM_EXPORT
41 int crypto_secretbox_xchacha20poly1305_open_easy(unsigned char *m,
42 const unsigned char *c,
43 unsigned long long clen,
44 const unsigned char *n,
45 const unsigned char *k)
46 __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 4, 5)));
47
48 SODIUM_EXPORT
49 int crypto_secretbox_xchacha20poly1305_detached(unsigned char *c,
50 unsigned char *mac,
51 const unsigned char *m,
52 unsigned long long mlen,
53 const unsigned char *n,
54 const unsigned char *k)
55 __attribute__ ((nonnull(1, 2, 5, 6)));
56
57 SODIUM_EXPORT
58 int crypto_secretbox_xchacha20poly1305_open_detached(unsigned char *m,
59 const unsigned char *c,
60 const unsigned char *mac,
61 unsigned long long clen,
62 const unsigned char *n,
63 const unsigned char *k)
64 __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 3, 5, 6)));
65
66 #ifdef __cplusplus
67 }
68 #endif
69
70 #endif