1#ifndef crypto_hash_sha512_H
2#define crypto_hash_sha512_H
3
4/*
5 * WARNING: Unless you absolutely need to use SHA512 for interoperatibility,
6 * purposes, you might want to consider crypto_generichash() instead.
7 * Unlike SHA512, crypto_generichash() is not vulnerable to length
8 * extension attacks.
9 */
10
11#include <stddef.h>
12#include <stdint.h>
13#include <stdlib.h>
14
15#include "export.h"
16
17#ifdef __cplusplus
18# ifdef __GNUC__
19#  pragma GCC diagnostic ignored "-Wlong-long"
20# endif
21extern "C" {
22#endif
23
24typedef struct crypto_hash_sha512_state {
25    uint64_t state[8];
26    uint64_t count[2];
27    uint8_t  buf[128];
28} crypto_hash_sha512_state;
29
30SODIUM_EXPORT
31size_t crypto_hash_sha512_statebytes(void);
32
33#define crypto_hash_sha512_BYTES 64U
34SODIUM_EXPORT
35size_t crypto_hash_sha512_bytes(void);
36
37SODIUM_EXPORT
38int crypto_hash_sha512(unsigned char *out, const unsigned char *in,
39                       unsigned long long inlen);
40
41SODIUM_EXPORT
42int crypto_hash_sha512_init(crypto_hash_sha512_state *state);
43
44SODIUM_EXPORT
45int crypto_hash_sha512_update(crypto_hash_sha512_state *state,
46                              const unsigned char *in,
47                              unsigned long long inlen);
48
49SODIUM_EXPORT
50int crypto_hash_sha512_final(crypto_hash_sha512_state *state,
51                             unsigned char *out);
52
53#ifdef __cplusplus
54}
55#endif
56
57#endif
58