Source

lrc / src / strategies / cryptopp / authenc.h

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File src/strategies/cryptopp/authenc.h

-#ifndef CRYPTOPP_AUTHENC_H
-#define CRYPTOPP_AUTHENC_H
-
-#include "cryptlib.h"
-#include "secblock.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-//! .
-class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE AuthenticatedSymmetricCipherBase : public AuthenticatedSymmetricCipher
-{
-public:
-	AuthenticatedSymmetricCipherBase() : m_state(State_Start) {}
-
-	bool IsRandomAccess() const {return false;}
-	bool IsSelfInverting() const {return true;}
-	void UncheckedSetKey(const byte *,unsigned int,const CryptoPP::NameValuePairs &) {assert(false);}
-
-	void SetKey(const byte *userKey, size_t keylength, const NameValuePairs &params);
-	void Restart() {if (m_state > State_KeySet) m_state = State_KeySet;}
-	void Resynchronize(const byte *iv, int length=-1);
-	void Update(const byte *input, size_t length);
-	void ProcessData(byte *outString, const byte *inString, size_t length);
-	void TruncatedFinal(byte *mac, size_t macSize);
-
-protected:
-	void AuthenticateData(const byte *data, size_t len);
-	const SymmetricCipher & GetSymmetricCipher() const {return const_cast<AuthenticatedSymmetricCipherBase *>(this)->AccessSymmetricCipher();};
-
-	virtual SymmetricCipher & AccessSymmetricCipher() =0;
-	virtual bool AuthenticationIsOnPlaintext() const =0;
-	virtual unsigned int AuthenticationBlockSize() const =0;
-	virtual void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs &params) =0;
-	virtual void Resync(const byte *iv, size_t len) =0;
-	virtual size_t AuthenticateBlocks(const byte *data, size_t len) =0;
-	virtual void AuthenticateLastHeaderBlock() =0;
-	virtual void AuthenticateLastConfidentialBlock() {}
-	virtual void AuthenticateLastFooterBlock(byte *mac, size_t macSize) =0;
-
-	enum State {State_Start, State_KeySet, State_IVSet, State_AuthUntransformed, State_AuthTransformed, State_AuthFooter};
-	State m_state;
-	unsigned int m_bufferedDataLength;
-	lword m_totalHeaderLength, m_totalMessageLength, m_totalFooterLength;
-	AlignedSecByteBlock m_buffer;
-};
-
-NAMESPACE_END
-
-#endif
+#ifndef CRYPTOPP_AUTHENC_H
+#define CRYPTOPP_AUTHENC_H
+
+#include "cryptlib.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! .
+class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE AuthenticatedSymmetricCipherBase : public AuthenticatedSymmetricCipher
+{
+public:
+	AuthenticatedSymmetricCipherBase() : m_state(State_Start) {}
+
+	bool IsRandomAccess() const {return false;}
+	bool IsSelfInverting() const {return true;}
+	void UncheckedSetKey(const byte *,unsigned int,const CryptoPP::NameValuePairs &) {assert(false);}
+
+	void SetKey(const byte *userKey, size_t keylength, const NameValuePairs &params);
+	void Restart() {if (m_state > State_KeySet) m_state = State_KeySet;}
+	void Resynchronize(const byte *iv, int length=-1);
+	void Update(const byte *input, size_t length);
+	void ProcessData(byte *outString, const byte *inString, size_t length);
+	void TruncatedFinal(byte *mac, size_t macSize);
+
+protected:
+	void AuthenticateData(const byte *data, size_t len);
+	const SymmetricCipher & GetSymmetricCipher() const {return const_cast<AuthenticatedSymmetricCipherBase *>(this)->AccessSymmetricCipher();};
+
+	virtual SymmetricCipher & AccessSymmetricCipher() =0;
+	virtual bool AuthenticationIsOnPlaintext() const =0;
+	virtual unsigned int AuthenticationBlockSize() const =0;
+	virtual void SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs &params) =0;
+	virtual void Resync(const byte *iv, size_t len) =0;
+	virtual size_t AuthenticateBlocks(const byte *data, size_t len) =0;
+	virtual void AuthenticateLastHeaderBlock() =0;
+	virtual void AuthenticateLastConfidentialBlock() {}
+	virtual void AuthenticateLastFooterBlock(byte *mac, size_t macSize) =0;
+
+	enum State {State_Start, State_KeySet, State_IVSet, State_AuthUntransformed, State_AuthTransformed, State_AuthFooter};
+	State m_state;
+	unsigned int m_bufferedDataLength;
+	lword m_totalHeaderLength, m_totalMessageLength, m_totalFooterLength;
+	AlignedSecByteBlock m_buffer;
+};
+
+NAMESPACE_END
+
+#endif