1 files changed, 43 insertions, 0 deletions
diff --git a/src/lib/hash.c b/src/lib/hash.c
new file mode 100644
index 00000000..f4fd75ea
--- /dev/null
+++ b/src/lib/hash.c
@@ -0,0 +1,43 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2017
+ *
+ * Hashing
+ *
+ *    Dimitri Staessens <[email protected]>
+ *    Sander Vrijders   <[email protected]>
+ *
+ * This implementation is adapted and redistributed from the RHASH
+ * project
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2.1 as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <ouroboros/config.h>
+#include <ouroboros/hash.h>
+
+#include <string.h>
+
+void get_hash(uint8_t      buf[],
+              const char * name)
+{
+        /* currently we only support 256 bit SHA-3 */
+        struct sha3_ctx ctx;
+
+        rhash_sha3_256_init(&ctx);
+
+        rhash_sha3_update(&ctx, name, strlen(name));
+
+        rhash_sha3_final(&ctx, buf);
+}