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
14 extern "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 
23 typedef 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
39 SODIUM_EXPORT
40 size_t crypto_generichash_blake2b_bytes_min(void);
41 
42 #define crypto_generichash_blake2b_BYTES_MAX     64U
43 SODIUM_EXPORT
44 size_t crypto_generichash_blake2b_bytes_max(void);
45 
46 #define crypto_generichash_blake2b_BYTES         32U
47 SODIUM_EXPORT
48 size_t crypto_generichash_blake2b_bytes(void);
49 
50 #define crypto_generichash_blake2b_KEYBYTES_MIN  16U
51 SODIUM_EXPORT
52 size_t crypto_generichash_blake2b_keybytes_min(void);
53 
54 #define crypto_generichash_blake2b_KEYBYTES_MAX  64U
55 SODIUM_EXPORT
56 size_t crypto_generichash_blake2b_keybytes_max(void);
57 
58 #define crypto_generichash_blake2b_KEYBYTES      32U
59 SODIUM_EXPORT
60 size_t crypto_generichash_blake2b_keybytes(void);
61 
62 #define crypto_generichash_blake2b_SALTBYTES     16U
63 SODIUM_EXPORT
64 size_t crypto_generichash_blake2b_saltbytes(void);
65 
66 #define crypto_generichash_blake2b_PERSONALBYTES 16U
67 SODIUM_EXPORT
68 size_t crypto_generichash_blake2b_personalbytes(void);
69 
70 SODIUM_EXPORT
71 size_t crypto_generichash_blake2b_statebytes(void);
72 
73 SODIUM_EXPORT
74 int 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 
79 SODIUM_EXPORT
80 int 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 
88 SODIUM_EXPORT
89 int crypto_generichash_blake2b_init(crypto_generichash_blake2b_state *state,
90                                     const unsigned char *key,
91                                     const size_t keylen, const size_t outlen);
92 
93 SODIUM_EXPORT
94 int 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 
100 SODIUM_EXPORT
101 int crypto_generichash_blake2b_update(crypto_generichash_blake2b_state *state,
102                                       const unsigned char *in,
103                                       unsigned long long inlen);
104 
105 SODIUM_EXPORT
106 int crypto_generichash_blake2b_final(crypto_generichash_blake2b_state *state,
107                                      unsigned char *out,
108                                      const size_t outlen);
109 
110 SODIUM_EXPORT
111 void crypto_generichash_blake2b_keygen(unsigned char k[crypto_generichash_blake2b_KEYBYTES]);
112 
113 #ifdef __cplusplus
114 }
115 #endif
116 
117 #endif
118