1#ifndef SHA256_GCRYPT_H
   2#define SHA256_GCRYPT_H
   3#include <gcrypt.h>
   5#define SHA256_DIGEST_SIZE 32
   7typedef gcry_md_hd_t gcrypt_SHA256_CTX;
   9inline void gcrypt_SHA256_Init(gcrypt_SHA256_CTX *ctx)
  11{
  12        gcry_md_open(ctx, GCRY_MD_SHA256, 0);
  13}
  14inline void gcrypt_SHA256_Update(gcrypt_SHA256_CTX *ctx, const void *data, size_t len)
  16{
  17        gcry_md_write(*ctx, data, len);
  18}
  19inline 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#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#endif