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external/crypto++-5.6.3/wake.h

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+// wake.h - written and placed in the public domain by Wei Dai
+
+//! \file wake.h
+//! \brief Classes for WAKE stream cipher
+
+#ifndef CRYPTOPP_WAKE_H
+#define CRYPTOPP_WAKE_H
+
+#include "seckey.h"
+#include "secblock.h"
+#include "strciphr.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+template <class B = BigEndian>
+struct WAKE_OFB_Info : public FixedKeyLength<32>
+{
+	static const char *StaticAlgorithmName() {return B::ToEnum() == LITTLE_ENDIAN_ORDER ? "WAKE-OFB-LE" : "WAKE-OFB-BE";}
+};
+
+class CRYPTOPP_NO_VTABLE WAKE_Base
+{
+protected:
+	word32 M(word32 x, word32 y);
+	void GenKey(word32 k0, word32 k1, word32 k2, word32 k3);
+
+	word32 t[257];
+	word32 r3, r4, r5, r6;
+};
+
+template <class B = BigEndian>
+class CRYPTOPP_NO_VTABLE WAKE_Policy : public AdditiveCipherConcretePolicy<word32, 1, 64>, protected WAKE_Base
+{
+protected:
+	void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
+	// OFB
+	void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
+	bool CipherIsRandomAccess() const {return false;}
+};
+
+//! WAKE-OFB
+template <class B = BigEndian>
+struct WAKE_OFB : public WAKE_OFB_Info<B>, public SymmetricCipherDocumentation
+{
+	typedef SymmetricCipherFinal<ConcretePolicyHolder<WAKE_Policy<B>, AdditiveCipherTemplate<> >,  WAKE_OFB_Info<B> > Encryption;
+	typedef Encryption Decryption;
+};
+
+/*
+template <class B = BigEndian>
+class WAKE_ROFB_Policy : public WAKE_Policy<B>
+{
+protected:
+	void Iterate(KeystreamOperation operation, byte *output, const byte *input, unsigned int iterationCount);
+};
+
+template <class B = BigEndian>
+struct WAKE_ROFB : public WAKE_Info<B>
+{
+	typedef SymmetricCipherTemplate<ConcretePolicyHolder<AdditiveCipherTemplate<>, WAKE_ROFB_Policy<B> > > Encryption;
+	typedef Encryption Decryption;
+};
+*/
+
+NAMESPACE_END
+
+#endif