1#ifndef crypto_generichash_blake2b_H
2#define crypto_generichash_blake2b_H
3
4#include <stddef.h>
5#include <stdint.h>
6#include <stdlib.h>
7
8#include "export.h"
9
10#ifdef __cplusplus
11# ifdef __GNUC__
12#  pragma GCC diagnostic ignored "-Wlong-long"
13# endif
14extern "C" {
15#endif
16
17#if defined(__IBMC__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
18# pragma pack(1)
19#else
20# pragma pack(push, 1)
21#endif
22
23typedef struct CRYPTO_ALIGN(64) crypto_generichash_blake2b_state {
24    uint64_t h[8];
25    uint64_t t[2];
26    uint64_t f[2];
27    uint8_t  buf[2 * 128];
28    size_t   buflen;
29    uint8_t  last_node;
30} crypto_generichash_blake2b_state;
31
32#if defined(__IBMC__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
33# pragma pack()
34#else
35# pragma pack(pop)
36#endif
37
38#define crypto_generichash_blake2b_BYTES_MIN     16U
39SODIUM_EXPORT
40size_t crypto_generichash_blake2b_bytes_min(void);
41
42#define crypto_generichash_blake2b_BYTES_MAX     64U
43SODIUM_EXPORT
44size_t crypto_generichash_blake2b_bytes_max(void);
45
46#define crypto_generichash_blake2b_BYTES         32U
47SODIUM_EXPORT
48size_t crypto_generichash_blake2b_bytes(void);
49
50#define crypto_generichash_blake2b_KEYBYTES_MIN  16U
51SODIUM_EXPORT
52size_t crypto_generichash_blake2b_keybytes_min(void);
53
54#define crypto_generichash_blake2b_KEYBYTES_MAX  64U
55SODIUM_EXPORT
56size_t crypto_generichash_blake2b_keybytes_max(void);
57
58#define crypto_generichash_blake2b_KEYBYTES      32U
59SODIUM_EXPORT
60size_t crypto_generichash_blake2b_keybytes(void);
61
62#define crypto_generichash_blake2b_SALTBYTES     16U
63SODIUM_EXPORT
64size_t crypto_generichash_blake2b_saltbytes(void);
65
66#define crypto_generichash_blake2b_PERSONALBYTES 16U
67SODIUM_EXPORT
68size_t crypto_generichash_blake2b_personalbytes(void);
69
70SODIUM_EXPORT
71size_t crypto_generichash_blake2b_statebytes(void);
72
73SODIUM_EXPORT
74int crypto_generichash_blake2b(unsigned char *out, size_t outlen,
75                               const unsigned char *in,
76                               unsigned long long inlen,
77                               const unsigned char *key, size_t keylen);
78
79SODIUM_EXPORT
80int crypto_generichash_blake2b_salt_personal(unsigned char *out, size_t outlen,
81                                             const unsigned char *in,
82                                             unsigned long long inlen,
83                                             const unsigned char *key,
84                                             size_t keylen,
85                                             const unsigned char *salt,
86                                             const unsigned char *personal);
87
88SODIUM_EXPORT
89int crypto_generichash_blake2b_init(crypto_generichash_blake2b_state *state,
90                                    const unsigned char *key,
91                                    const size_t keylen, const size_t outlen);
92
93SODIUM_EXPORT
94int crypto_generichash_blake2b_init_salt_personal(crypto_generichash_blake2b_state *state,
95                                                  const unsigned char *key,
96                                                  const size_t keylen, const size_t outlen,
97                                                  const unsigned char *salt,
98                                                  const unsigned char *personal);
99
100SODIUM_EXPORT
101int crypto_generichash_blake2b_update(crypto_generichash_blake2b_state *state,
102                                      const unsigned char *in,
103                                      unsigned long long inlen);
104
105SODIUM_EXPORT
106int crypto_generichash_blake2b_final(crypto_generichash_blake2b_state *state,
107                                     unsigned char *out,
108                                     const size_t outlen);
109
110SODIUM_EXPORT
111void crypto_generichash_blake2b_keygen(unsigned char k[crypto_generichash_blake2b_KEYBYTES]);
112
113#ifdef __cplusplus
114}
115#endif
116
117#endif
118