Andrew's git / gitweb.git / sha256/gcrypt.h
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sha256 / gcrypt.hon commit diff-delta: set size out-parameter to 0 for NULL delta (e4b3690)
   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