1 files changed, 39 insertions, 0 deletions
diff --git a/lib/hash/has160/has160.h b/lib/hash/has160/has160.h
new file mode 100644
index 000000000..9947d9580
--- /dev/null
+++ b/lib/hash/has160/has160.h
@@ -0,0 +1,39 @@
+/*
+* HAS-160
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_HAS_160_H__
+#define BOTAN_HAS_160_H__
+
+#include <botan/mdx_hash.h>
+
+namespace Botan {
+
+/**
+* HAS-160, a Korean hash function standardized in
+* TTAS.KO-12.0011/R1. Used in conjuction with KCDSA
+*/
+class BOTAN_DLL HAS_160 : public MDx_HashFunction
+   {
+   public:
+      std::string name() const { return "HAS-160"; }
+      size_t output_length() const { return 20; }
+      HashFunction* clone() const { return new HAS_160; }
+
+      void clear();
+
+      HAS_160() : MDx_HashFunction(64, false, true), X(20), digest(5)
+         { clear(); }
+   private:
+      void compress_n(const byte[], size_t blocks);
+      void copy_out(byte[]);
+
+      secure_vector<u32bit> X, digest;
+   };
+
+}
+
+#endif