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externals/cryptopp/mars.h

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+// mars.h - originally written and placed in the public domain by Wei Dai
+
+/// \file mars.h
+/// \brief Classes for the MARS block cipher (IBM AES submission)
+/// \since Crypto++ 3.0
+
+#ifndef CRYPTOPP_MARS_H
+#define CRYPTOPP_MARS_H
+
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+/// \brief MARS block cipher information
+/// \since Crypto++ 3.0
+struct MARS_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 56, 8>
+{
+	CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MARS";}
+};
+
+/// \brief MARS block cipher
+/// \sa <a href="http://www.cryptopp.com/wiki/MARS">MARS</a>
+/// \since Crypto++ 3.0
+class MARS : public MARS_Info, public BlockCipherDocumentation
+{
+	class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<MARS_Info>
+	{
+	public:
+		void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
+
+	protected:
+		static const word32 Sbox[512];
+
+		FixedSizeSecBlock<word32, 40> m_k;
+	};
+
+	class CRYPTOPP_NO_VTABLE Enc : public Base
+	{
+	public:
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+	};
+
+	class CRYPTOPP_NO_VTABLE Dec : public Base
+	{
+	public:
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+	};
+
+public:
+	typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+	typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef MARS::Encryption MARSEncryption;
+typedef MARS::Decryption MARSDecryption;
+
+NAMESPACE_END
+
+#endif