1 files changed, 52 insertions, 0 deletions
diff --git a/src/block/threefish/threefish.h b/src/block/threefish/threefish.h
new file mode 100644
index 000000000..8fa758b12
--- /dev/null
+++ b/src/block/threefish/threefish.h
@@ -0,0 +1,52 @@
+/*
+* Threefish
+* (C) 2013 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_THREEFISH_H__
+#define BOTAN_THREEFISH_H__
+
+#include <botan/transform.h>
+
+namespace Botan {
+
+/**
+* Threefish-512
+*/
+class BOTAN_DLL Threefish_512 : public Transformation
+   {
+   public:
+      secure_vector<byte> start(const byte tweak[], size_t tweak_len) override;
+
+      void update(secure_vector<byte>& blocks, size_t offset) override;
+
+      void finish(secure_vector<byte>& final_block, size_t offset) override;
+
+      size_t output_length(size_t input_length) const override;
+
+      size_t update_granularity() const override;
+
+      size_t minimum_final_size() const override;
+
+      size_t default_nonce_size() const override;
+
+      bool valid_nonce_length(size_t nonce_len) const override;
+
+      Key_Length_Specification key_spec() const override;
+
+      std::string name() const { return "Threefish-512"; }
+
+      void clear();
+
+   private:
+      void key_schedule(const byte key[], size_t key_len) override;
+
+      secure_vector<u64bit> m_T;
+      secure_vector<u64bit> m_K;
+   };
+
+}
+
+#endif