diff -r f5050f1da672 -r 04becd199f91 javaextensions/satsa/crypto/src/stssymmetriccipher.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/javaextensions/satsa/crypto/src/stssymmetriccipher.h Tue Apr 27 16:30:29 2010 +0300 @@ -0,0 +1,98 @@ +/* +* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: Base class for cipher algorithms which implements + * CSymmetricCipher. + * +*/ + + +#ifndef STSSYMMETRICCIPHER_H +#define STSSYMMETRICCIPHER_H + +// INCLUDES +#include + +#include +#include "stscipher.h" + +using namespace std; + +// CONSTANTS +class CSymmetricCipher; +class CBlockTransformation; +class CPadding; + +namespace java +{ +namespace satsa +{ +// CLASS DECLARATION +/** + * Base class for cipher algorithms which implements CSymmetricCipher. + * For every algorithm key validity must be checked in the subclasses + * because initialization with wrong size key causes a panic. + * + */ +class STSSymmetricCipher: public STSCipher +{ +public: + // Constructors and destructor + + /** + * Destructor. + */ + ~STSSymmetricCipher(); + + static STSSymmetricCipher* Create(STSTransformation* aTransformation, + int* errCode); + +public: + // Functions from STSCipher + + jint DoInit(JNIEnv* aJni, const TCipherMode aMode, + const jstring aKeyAlgorithm, const jstring aKeyFormat, + const jbyteArray aKeyEncoded, const jbyteArray aParams); + + jint DoFinal(JNIEnv* aJni, jbyteArray aInput, jint aInputOffset, + jint aInputLength, jbyteArray aOutput, jint aOutputOffset); + + jint Update(JNIEnv* aJni, jbyteArray aInput, jint aInputOffset, + jint aInputLength, jbyteArray aOutput, jint aOutputOffset); + +protected: + + /** + * C++ default constructor. + */ + STSSymmetricCipher(); + + int Construct(STSTransformation* aTransformation); + +private: + + // Provides symmetric cipher functionality. + CSymmetricCipher* mCipher; + + // Bytes processed using Update method. Value is reset to 0 in Init + // method. + int mBytesProcessed; + + EVP_CIPHER_CTX *mCipherCtx; + const EVP_CIPHER *mCipherType; + +}; +} // namespace satsa +} // namespace java +#endif // STSSYMMETRICCIPHER_H +// End of File