1 
2 #include "crypto_generichash.h"
3 #include "randombytes.h"
4 
5 size_t
6 crypto_generichash_bytes_min(void)
7 {
8     return crypto_generichash_BYTES_MIN;
9 }
10 
11 size_t
12 crypto_generichash_bytes_max(void)
13 {
14     return crypto_generichash_BYTES_MAX;
15 }
16 
17 size_t
18 crypto_generichash_bytes(void)
19 {
20     return crypto_generichash_BYTES;
21 }
22 
23 size_t
24 crypto_generichash_keybytes_min(void)
25 {
26     return crypto_generichash_KEYBYTES_MIN;
27 }
28 
29 size_t
30 crypto_generichash_keybytes_max(void)
31 {
32     return crypto_generichash_KEYBYTES_MAX;
33 }
34 
35 size_t
36 crypto_generichash_keybytes(void)
37 {
38     return crypto_generichash_KEYBYTES;
39 }
40 
41 const char *
42 crypto_generichash_primitive(void)
43 {
44     return crypto_generichash_PRIMITIVE;
45 }
46 
47 size_t
48 crypto_generichash_statebytes(void)
49 {
50     return (sizeof(crypto_generichash_state) + (size_t) 63U) & ~(size_t) 63U;
51 }
52 
53 int
54 crypto_generichash(unsigned char *out, size_t outlen, const unsigned char *in,
55                    unsigned long long inlen, const unsigned char *key,
56                    size_t keylen)
57 {
58     return crypto_generichash_blake2b(out, outlen, in, inlen, key, keylen);
59 }
60 
61 int
62 crypto_generichash_init(crypto_generichash_state *state,
63                         const unsigned char *key,
64                         const size_t keylen, const size_t outlen)
65 {
66     return crypto_generichash_blake2b_init
67         ((crypto_generichash_blake2b_state *) state, key, keylen, outlen);
68 }
69 
70 int
71 crypto_generichash_update(crypto_generichash_state *state,
72                           const unsigned char *in,
73                           unsigned long long inlen)
74 {
75     return crypto_generichash_blake2b_update
76         ((crypto_generichash_blake2b_state *) state, in, inlen);
77 }
78 
79 int
80 crypto_generichash_final(crypto_generichash_state *state,
81                          unsigned char *out, const size_t outlen)
82 {
83     return crypto_generichash_blake2b_final
84         ((crypto_generichash_blake2b_state *) state, out, outlen);
85 }
86 
87 void
88 crypto_generichash_keygen(unsigned char k[crypto_generichash_KEYBYTES])
89 {
90     randombytes_buf(k, crypto_generichash_KEYBYTES);
91 }
92