along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#if HAVE_GCRYPT
#include <gcrypt.h>
-#include "hexdecoct.h"
#include "gcrypt-util.h"
+#include "hexdecoct.h"
void initialize_libgcrypt(bool secmem) {
const char *p;
p = gcry_check_version("1.4.5");
assert(p);
- /* Turn off "secmem". Clients which whish to make use of this
+ /* Turn off "secmem". Clients which wish to make use of this
* feature should initialize the library manually */
if (!secmem)
gcry_control(GCRYCTL_DISABLE_SECMEM);
gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
}
+
+int string_hashsum(const char *s, size_t len, int md_algorithm, char **out) {
+ gcry_md_hd_t md = NULL;
+ size_t hash_size;
+ void *hash;
+ char *enc;
+
+ initialize_libgcrypt(false);
+
+ hash_size = gcry_md_get_algo_dlen(md_algorithm);
+ assert(hash_size > 0);
+
+ gcry_md_open(&md, md_algorithm, 0);
+ if (!md)
+ return -EIO;
+
+ gcry_md_write(md, s, len);
+
+ hash = gcry_md_read(md, 0);
+ if (!hash)
+ return -EIO;
+
+ enc = hexmem(hash, hash_size);
+ if (!enc)
+ return -ENOMEM;
+
+ *out = enc;
+ return 0;
+}
+#endif