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externals/cryptopp/aria.h

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+// aria.h - written and placed in the public domain by Jeffrey Walton
+
+/// \file aria.h
+/// \brief Classes for the ARIA block cipher
+/// \details The Crypto++ ARIA implementation is based on the 32-bit implementation by Aaram Yun
+///   from the National Security Research Institute, KOREA. Aaram Yun's implementation is based on
+///   the 8-bit implementation by Jin Hong. The source files are available in ARIA.zip from the Korea
+///   Internet & Security Agency website.
+/// \sa <A HREF="http://tools.ietf.org/html/rfc5794">RFC 5794, A Description of the ARIA Encryption Algorithm</A>,
+///   <A HREF="http://seed.kisa.or.kr/iwt/ko/bbs/EgovReferenceList.do?bbsId=BBSMSTR_000000000002">Korea
+///   Internet & Security Agency homepage</A>
+
+#ifndef CRYPTOPP_ARIA_H
+#define CRYPTOPP_ARIA_H
+
+#include "config.h"
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+/// \brief ARIA block cipher information
+/// \since Crypto++ 6.0
+struct ARIA_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
+{
+	CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "ARIA";}
+};
+
+/// \brief ARIA block cipher
+/// \details The Crypto++ ARIA implementation is based on the 32-bit implementation by Aaram Yun
+///   from the National Security Research Institute, KOREA. Aaram Yun's implementation is based on
+///   the 8-bit implementation by Jin Hong. The source files are available in ARIA.zip from the Korea
+///   Internet & Security Agency website.
+/// \sa <A HREF="http://tools.ietf.org/html/rfc5794">RFC 5794, A Description of the ARIA Encryption Algorithm</A>,
+///   <A HREF="http://seed.kisa.or.kr/iwt/ko/bbs/EgovReferenceList.do?bbsId=BBSMSTR_000000000002">Korea
+///   Internet & Security Agency homepage</A>
+/// \sa <a href="http://www.cryptopp.com/wiki/ARIA">ARIA</a>
+/// \since Crypto++ 6.0
+class ARIA : public ARIA_Info, public BlockCipherDocumentation
+{
+public:
+	class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<ARIA_Info>
+	{
+	public:
+		Base() : m_rounds(0) {}
+
+	protected:
+		void UncheckedSetKey(const byte *key, unsigned int keylen, const NameValuePairs &params);
+		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+
+	private:
+		// Reference implementation allocates a table of 17 round keys.
+		typedef SecBlock<byte, AllocatorWithCleanup<byte, true> >     AlignedByteBlock;
+		typedef SecBlock<word32, AllocatorWithCleanup<word32, true> > AlignedWordBlock;
+
+		AlignedWordBlock  m_rk;  // round keys
+		AlignedWordBlock  m_w;   // w0, w1, w2, w3, t and u
+		unsigned int m_rounds;
+	};
+
+public:
+	typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
+	typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
+};
+
+typedef ARIA::Encryption ARIAEncryption;
+typedef ARIA::Decryption ARIADecryption;
+
+NAMESPACE_END
+
+#endif