1 #ifndef crypto_onetimeauth_poly1305_H
2 #define crypto_onetimeauth_poly1305_H
3 
4 #ifdef __cplusplus
5 # ifdef __GNUC__
6 #  pragma GCC diagnostic ignored "-Wlong-long"
7 # endif
8 extern "C" {
9 #endif
10 
11 #include <stdint.h>
12 #include <stdio.h>
13 #include <stdlib.h>
14 
15 #include <sys/types.h>
16 
17 #include "export.h"
18 
19 typedef struct CRYPTO_ALIGN(16) crypto_onetimeauth_poly1305_state {
20     unsigned char opaque[256];
21 } crypto_onetimeauth_poly1305_state;
22 
23 SODIUM_EXPORT
24 size_t crypto_onetimeauth_poly1305_statebytes(void);
25 
26 #define crypto_onetimeauth_poly1305_BYTES 16U
27 SODIUM_EXPORT
28 size_t crypto_onetimeauth_poly1305_bytes(void);
29 
30 #define crypto_onetimeauth_poly1305_KEYBYTES 32U
31 SODIUM_EXPORT
32 size_t crypto_onetimeauth_poly1305_keybytes(void);
33 
34 SODIUM_EXPORT
35 int crypto_onetimeauth_poly1305(unsigned char *out,
36                                 const unsigned char *in,
37                                 unsigned long long inlen,
38                                 const unsigned char *k)
39             __attribute__ ((nonnull(1, 4)));
40 
41 SODIUM_EXPORT
42 int crypto_onetimeauth_poly1305_verify(const unsigned char *h,
43                                        const unsigned char *in,
44                                        unsigned long long inlen,
45                                        const unsigned char *k)
46             __attribute__ ((warn_unused_result)) __attribute__ ((nonnull(1, 4)));
47 
48 SODIUM_EXPORT
49 int crypto_onetimeauth_poly1305_init(crypto_onetimeauth_poly1305_state *state,
50                                      const unsigned char *key)
51             __attribute__ ((nonnull));
52 
53 SODIUM_EXPORT
54 int crypto_onetimeauth_poly1305_update(crypto_onetimeauth_poly1305_state *state,
55                                        const unsigned char *in,
56                                        unsigned long long inlen)
57             __attribute__ ((nonnull(1)));
58 
59 SODIUM_EXPORT
60 int crypto_onetimeauth_poly1305_final(crypto_onetimeauth_poly1305_state *state,
61                                       unsigned char *out)
62             __attribute__ ((nonnull));
63 
64 SODIUM_EXPORT
65 void crypto_onetimeauth_poly1305_keygen(unsigned char k[crypto_onetimeauth_poly1305_KEYBYTES])
66             __attribute__ ((nonnull));
67 
68 #ifdef __cplusplus
69 }
70 #endif
71 
72 #endif
73