sha256/gcrypt.h

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