Add the GOST 34.11 hash function. Pretty slow, but functional.

1 files changed, 41 insertions, 0 deletions

diff --git a/src/hash/gost_3411/gost_3411.h b/src/hash/gost_3411/gost_3411.h
new file mode 100644
index 000000000..c69555052
--- /dev/null
+++ b/src/hash/gost_3411/gost_3411.h
@@ -0,0 +1,41 @@
+/**
+* GOST 34.11
+* (C) 2009 Jack Lloyd
+*/
+
+#ifndef BOTAN_GOST_3411_H__
+#define BOTAN_GOST_3411_H__
+
+#include <botan/hash.h>
+#include <botan/gost_28147.h>
+
+namespace Botan {
+
+/**
+* GOST 34.11
+*/
+class BOTAN_DLL GOST_34_11 : public HashFunction
+   {
+   public:
+      void clear() throw();
+      std::string name() const { return "GOST-R-34.11-94" ; }
+      HashFunction* clone() const { return new GOST_34_11; }
+
+      GOST_34_11();
+   protected:
+      void compress_n(const byte input[], u32bit blocks);
+
+      void add_data(const byte[], u32bit);
+      void final_result(byte[]);
+
+      GOST_28147_89 cipher;
+      SecureBuffer<byte, 32> buffer;
+      SecureBuffer<byte, 32> sum;
+      SecureBuffer<byte, 32> hash;
+      u64bit count;
+      u32bit position;
+   };
+
+}
+
+#endif