Remove cryptoppwin submodule (#754)

third_party/cryptoppwin/include/cryptopp/tea.h

@@ -0,0 +1,161 @@
+// tea.h - originally written and placed in the public domain by Wei Dai
+
+/// \file tea.h
+/// \brief Classes for the TEA, BTEA and XTEA block ciphers
+
+#ifndef CRYPTOPP_TEA_H
+#define CRYPTOPP_TEA_H
+
+#include "seckey.h"
+#include "secblock.h"
+#include "misc.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+/// \brief TEA block cipher information
+struct TEA_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public VariableRounds<32>
+{
+	/// \brief The algorithm name
+	/// \return the algorithm name
+	/// \details StaticAlgorithmName returns the algorithm's name as a static
+	///   member function.
+	CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "TEA";}
+};
+
+/// \brief TEA block cipher
+/// \sa <a href="http://www.cryptopp.com/wiki/TEA">TEA</a>
+class TEA : public TEA_Info, public BlockCipherDocumentation
+{
+	/// \brief TEA block cipher default operation
+	class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<TEA_Info>
+	{
+	public:
+		void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
+
+	protected:
+		FixedSizeSecBlock<word32, 4> m_k;
+		word32 m_limit;
+	};
+
+	/// \brief TEA block cipher encryption operation
+	class CRYPTOPP_NO_VTABLE Enc : public Base
+	{
+	public:
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+	};
+
+	/// \brief TEA block cipher decryption operation
+	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 TEA::Encryption TEAEncryption;
+typedef TEA::Decryption TEADecryption;
+
+/// \brief XTEA block cipher information
+struct XTEA_Info : public FixedBlockSize<8>, public FixedKeyLength<16>, public VariableRounds<32>
+{
+	/// \brief The algorithm name
+	/// \return the algorithm name
+	/// \details StaticAlgorithmName returns the algorithm's name as a static
+	///   member function.
+	CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "XTEA";}
+};
+
+/// \brief XTEA block cipher
+/// \sa <a href="http://www.cryptopp.com/wiki/TEA">XTEA</a>
+class XTEA : public XTEA_Info, public BlockCipherDocumentation
+{
+	/// \brief XTEA block cipher default operation
+	class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<XTEA_Info>
+	{
+	public:
+		void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
+
+	protected:
+		FixedSizeSecBlock<word32, 4> m_k;
+		word32 m_limit;
+	};
+
+	/// \brief XTEA block cipher encryption operation
+	class CRYPTOPP_NO_VTABLE Enc : public Base
+	{
+	public:
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+	};
+
+	/// \brief XTEA block cipher decryption operation
+	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;
+};
+
+/// \brief BTEA block cipher information
+struct BTEA_Info : public FixedKeyLength<16>
+{
+	/// \brief The algorithm name
+	/// \return the algorithm name
+	/// \details StaticAlgorithmName returns the algorithm's name as a static
+	///   member function.
+	CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "BTEA";}
+};
+
+/// \brief BTEA block cipher
+/// \details Corrected Block TEA as described in "xxtea". This class hasn't been tested yet.
+/// \sa <A HREF="http://www.movable-type.co.uk/scripts/xxtea.pdf">Correction to xtea</A> and
+///   <a href="http://www.cryptopp.com/wiki/TEA">Corrected Block TEA</a>.
+class BTEA : public BTEA_Info, public BlockCipherDocumentation
+{
+	/// \brief BTEA block cipher default operation
+	class CRYPTOPP_NO_VTABLE Base : public AlgorithmImpl<SimpleKeyingInterfaceImpl<BlockCipher, BTEA_Info>, BTEA_Info>
+	{
+	public:
+		void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params)
+		{
+			CRYPTOPP_UNUSED(length), CRYPTOPP_UNUSED(params);
+			m_blockSize = params.GetIntValueWithDefault("BlockSize", 60*4);
+			GetUserKey(BIG_ENDIAN_ORDER, m_k.begin(), 4, key, KEYLENGTH);
+		}
+
+		unsigned int BlockSize() const {return m_blockSize;}
+
+	protected:
+		FixedSizeSecBlock<word32, 4> m_k;
+		unsigned int m_blockSize;
+	};
+
+	/// \brief BTEA block cipher encryption operation
+	class CRYPTOPP_NO_VTABLE Enc : public Base
+	{
+	public:
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+	};
+
+	/// \brief BTEA block cipher decryption operation
+	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;
+};
+
+NAMESPACE_END
+
+#endif