1#ifndef SHA256_GCRYPT_H
2#define SHA256_GCRYPT_H
3
4#include <gcrypt.h>
5
6#define SHA256_DIGEST_SIZE 32
7
8typedef gcry_md_hd_t gcrypt_SHA256_CTX;
9
10inline void gcrypt_SHA256_Init(gcrypt_SHA256_CTX *ctx)
11{
12 gcry_md_open(ctx, GCRY_MD_SHA256, 0);
13}
14
15inline void gcrypt_SHA256_Update(gcrypt_SHA256_CTX *ctx, const void *data, size_t len)
16{
17 gcry_md_write(*ctx, data, len);
18}
19
20inline void gcrypt_SHA256_Final(unsigned char *digest, gcrypt_SHA256_CTX *ctx)
21{
22 memcpy(digest, gcry_md_read(*ctx, GCRY_MD_SHA256), SHA256_DIGEST_SIZE);
23}
24
25#define platform_SHA256_CTX gcrypt_SHA256_CTX
26#define platform_SHA256_Init gcrypt_SHA256_Init
27#define platform_SHA256_Update gcrypt_SHA256_Update
28#define platform_SHA256_Final gcrypt_SHA256_Final
29
30#endif