1 files changed, 57 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/block/threefish_512/threefish_512.h b/comm/third_party/botan/src/lib/block/threefish_512/threefish_512.h
new file mode 100644
index 0000000000..f3adf71a92
--- /dev/null
+++ b/comm/third_party/botan/src/lib/block/threefish_512/threefish_512.h
@@ -0,0 +1,57 @@
+/*
+* Threefish-512
+* (C) 2013,2014 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_THREEFISH_512_H_
+#define BOTAN_THREEFISH_512_H_
+
+#include <botan/block_cipher.h>
+
+BOTAN_FUTURE_INTERNAL_HEADER(threefish_512.h)
+
+namespace Botan {
+
+/**
+* Threefish-512
+*/
+class BOTAN_PUBLIC_API(2,0) Threefish_512 final :
+   public Block_Cipher_Fixed_Params<64, 64, 0, 1, Tweakable_Block_Cipher>
+   {
+   public:
+      void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
+      void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
+
+      void set_tweak(const uint8_t tweak[], size_t len) override;
+
+      void clear() override;
+      std::string provider() const override;
+      std::string name() const override { return "Threefish-512"; }
+      BlockCipher* clone() const override { return new Threefish_512; }
+      size_t parallelism() const override;
+
+   private:
+
+#if defined(BOTAN_HAS_THREEFISH_512_AVX2)
+      void avx2_encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
+      void avx2_decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const;
+#endif
+
+      void key_schedule(const uint8_t key[], size_t key_len) override;
+
+      // Interface for Skein
+      friend class Skein_512;
+
+      void skein_feedfwd(const secure_vector<uint64_t>& M,
+                         const secure_vector<uint64_t>& T);
+
+      // Private data
+      secure_vector<uint64_t> m_T;
+      secure_vector<uint64_t> m_K;
+   };
+
+}
+
+#endif