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diff --git a/mysql/extra/yassl/taocrypt/include/arc4.hpp b/mysql/extra/yassl/taocrypt/include/arc4.hpp
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+++ b/mysql/extra/yassl/taocrypt/include/arc4.hpp
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+/*
+   Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+   MA  02110-1301  USA.
+*/
+
+/* arc4.hpp defines ARC4
+*/
+
+
+#ifndef TAO_CRYPT_ARC4_HPP
+#define TAO_CRYPT_ARC4_HPP
+
+#include "misc.hpp"
+
+namespace TaoCrypt {
+
+
+// ARC4 encryption and decryption
+class ARC4 {
+public:
+    enum { STATE_SIZE = 256 };
+
+    typedef ARC4 Encryption;
+    typedef ARC4 Decryption;
+
+    ARC4() {}
+
+    void Process(byte*, const byte*, word32);
+    void SetKey(const byte*, word32);
+private:
+    byte x_;
+    byte y_;
+    byte state_[STATE_SIZE];
+
+    ARC4(const ARC4&);                  // hide copy
+    const ARC4 operator=(const ARC4&);  // and assign
+
+    void AsmProcess(byte*, const byte*, word32);
+};
+
+} // namespace
+
+
+#endif // TAO_CRYPT_ARC4_HPP
+