src/basic/gcrypt-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 /***
   4   Copyright © 2016 Zbigniew Jędrzejewski-Szmek
   5 ***/
   6
   7 #pragma once
   8
   9 #include <errno.h>
  10 #include <stdbool.h>
  11 #include <stddef.h>
  12
  13 #if HAVE_GCRYPT
  14 #include <gcrypt.h>
  15
  16 #include "macro.h"
  17
  18 void initialize_libgcrypt(bool secmem);
  19 int string_hashsum(const char *s, size_t len, int md_algorithm, char **out);
  20
  21 DEFINE_TRIVIAL_CLEANUP_FUNC(gcry_md_hd_t, gcry_md_close);
  22 #endif
  23
  24 static inline int string_hashsum_sha224(const char *s, size_t len, char **out) {
  25 #if HAVE_GCRYPT
  26         return string_hashsum(s, len, GCRY_MD_SHA224, out);
  27 #else
  28         return -EOPNOTSUPP;
  29 #endif
  30 }
  31
  32 static inline int string_hashsum_sha256(const char *s, size_t len, char **out) {
  33 #if HAVE_GCRYPT
  34         return string_hashsum(s, len, GCRY_MD_SHA256, out);
  35 #else
  36         return -EOPNOTSUPP;
  37 #endif
  38 }