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diff --git a/external/crypto++-5.6.3/rijndael.h b/external/crypto++-5.6.3/rijndael.h
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+++ b/external/crypto++-5.6.3/rijndael.h
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+// rijndael.h - written and placed in the public domain by Wei Dai
+
+//! \file rijndael.h
+//! \brief Classes for Rijndael encryption algorithm
+//! \details All key sizes are supported. The library only provides Rijndael with 128-bit blocks,
+//!   and not 192-bit or 256-bit blocks
+
+#ifndef CRYPTOPP_RIJNDAEL_H
+#define CRYPTOPP_RIJNDAEL_H
+
+#include "seckey.h"
+#include "secblock.h"
+
+#if CRYPTOPP_BOOL_X32
+# define CRYPTOPP_DISABLE_RIJNDAEL_ASM
+#endif
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! \brief Rijndael block cipher information
+struct Rijndael_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
+{
+	CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return CRYPTOPP_RIJNDAEL_NAME;}
+};
+
+//! \brief Rijndael block cipher implementation details
+//! \sa <a href="http://www.weidai.com/scan-mirror/cs.html#Rijndael">Rijndael</a>
+class CRYPTOPP_DLL Rijndael : public Rijndael_Info, public BlockCipherDocumentation
+{
+	//! \brief Rijndael block cipher data processing functionss
+	//! \details Provides implementation common to encryption and decryption
+	class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Rijndael_Info>
+	{
+	public:
+		void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
+
+	protected:
+		static void FillEncTable();
+		static void FillDecTable();
+
+		// VS2005 workaround: have to put these on seperate lines, or error C2487 is triggered in DLL build
+		static const byte Se[256];
+		static const byte Sd[256];
+
+		static const word32 rcon[];
+
+		unsigned int m_rounds;
+		FixedSizeAlignedSecBlock<word32, 4*15> m_key;
+	};
+
+	//! \brief Rijndael block cipher data processing functions
+	//! \details Provides implementation for encryption transformation
+	class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base
+	{
+	public:
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+#if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86
+		size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
+#endif
+	};
+
+	//! \brief Rijndael block cipher data processing functions
+	//! \details Provides implementation for decryption transformation
+	class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Dec : public Base
+	{
+	public:
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE
+		size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
+#endif
+	};
+
+public:
+	typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+	typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef Rijndael::Encryption RijndaelEncryption;
+typedef Rijndael::Decryption RijndaelDecryption;
+
+NAMESPACE_END
+
+#endif