crypto/weakcryptospi/inc/pbedata.h
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/*
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* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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* ** IMPORTANT ** PublishedPartner API's in this file are published to 3rd party developers via the 
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* Symbian website. Changes to these API's should be treated as PublishedAll API changes and the Security TA should be consulted.
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*
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*/
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/**
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 @file
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 @publishedPartner
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 @released
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*/
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#ifndef __PBEDATA_H__
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#define __PBEDATA_H__
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#include <s32strm.h>
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#include <pbe.h>
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/**
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 * Contains the Password Based Encryption parameters.
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 * An object of this class can be input for CPBEncryptElement or CPBEncryptSet objects.
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 *
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 * @since v7.0s
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 */
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class CPBEncryptParms : public CBase
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	{
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public:
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	enum TKdf
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	/**
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		Key derivation function.
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		This does not affect the authentication key,
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		which always uses PKCS#5.
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	 */
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		{
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		EKdfPkcs5,
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		EKdfPkcs12
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		};
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	/**
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	 * Creates a new CPBEncryptParms object.
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	 *
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	 * @param aCipher		The cipher to use
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	 * @param aSalt			The salt
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	 * @param aIV			The Initialization Vector
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	 * @param aIterations	The number of iterations of the PBE algorithm
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	 * @return				A pointer to the new CPBEncryptParms object
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	 */
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	IMPORT_C static CPBEncryptParms* NewL(TPBECipher aCipher,
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		const TDesC8& aSalt, const TDesC8& aIV, TUint aIterations);
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	/**
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	 * Creates a new CPBEncryptParms object and puts a pointer to it onto the cleanup stack.
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	 *
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	 * @param aCipher		The cipher to use
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	 * @param aSalt			The salt
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	 * @param aIV			The Initialization Vector
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	 * @param aIterations	The number of iterations of the PBE algorithm
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	 * @return				A pointer to the new CPBEncryptParms object
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	 */
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	IMPORT_C static CPBEncryptParms* NewLC(TPBECipher aCipher,
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		const TDesC8& aSalt, const TDesC8& aIV, TUint aIterations);
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	/**
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	 * Creates a new CPBEncryptParms object from an existing object.
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	 *
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	 * @param aParms		The existing encryption parameters object
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	 * @return				A pointer to the new CPBEncryptParms object
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	 */
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	IMPORT_C static CPBEncryptParms* NewL(const CPBEncryptParms& aParms);
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	/**
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	 * Creates a new CPBEncryptParms object from an existing object
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	 * and puts a pointer to it onto the cleanup stack.
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	 *
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	 * @param aParms		The existing encryption parameters object
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	 * @return				A pointer to the new CPBEncryptParms object
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	 */
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	IMPORT_C static CPBEncryptParms* NewLC(const CPBEncryptParms& aParms);
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	/**
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	 * Internalizes encryption parameter data from a read stream.
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	 *
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	 * @param aStream	The read stream to be internalized
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	 * @return			A pointer to the new CPBEncryptParms object
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	 * 
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	 */
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	IMPORT_C static CPBEncryptParms* NewL(RReadStream& aStream);
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	/**
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	 * Internalizes encryption parameter data from a read stream, and 
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	 * puts a pointer to the new object onto the cleanup stack.
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	 *
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	 * @param aStream	The read stream to be internalized
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	 * @return			A pointer to the new CPBEncryptParms object
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	 */
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	IMPORT_C static CPBEncryptParms* NewLC(RReadStream& aStream);
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	/**
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	 * Gets the PBE cipher
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	 *
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	 * @return	The cipher to use
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	 */
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	IMPORT_C TPBECipher Cipher() const;
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	/**
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		Gets the key derivation function (KDF.)
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		@return The key derivation function (KDF) which
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			transforms the password into an encryption key.
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	 */
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	IMPORT_C TKdf Kdf() const;
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	/**
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	 * Gets the PBE salt
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	 *
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	 * @return	The salt
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	 */
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	IMPORT_C TPtrC8 Salt() const;
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	/**
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	 * Gets the number of iterations for the PKCS#5 algorithm.
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	 *
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	 * @return	The number of iterations
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	 */
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	IMPORT_C TInt Iterations() const;
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	/**
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	 * Gets the PBE Initialization Vector
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	 *
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	 * @return	The IV
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	 */
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	IMPORT_C TPtrC8 IV() const;
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	IMPORT_C void SetIV(const TDesC8& aNewIv);
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	/**
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	 * Externalizes the encryption parameters into a write stream.
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	 *
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	 * @param aStream	The stream to write to
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	 */
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	IMPORT_C void ExternalizeL(RWriteStream& aStream) const;
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	IMPORT_C static CPBEncryptParms* NewL();
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	IMPORT_C static CPBEncryptParms* NewLC();
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	IMPORT_C void SetCipher(TPBECipher aCipher);
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   /**
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    * Replace the current cipher.  This function resizes the
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    * IV and replaces its existing contents.
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    *	
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    * @param aCipher	New cipher.
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    * @leave			System wide error code.
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    */
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	inline void SetCipherL(TPBECipher aCipher)
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		{
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		SetCipher(aCipher);
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		}
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	IMPORT_C void SetKdf(TKdf aKdf);
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	IMPORT_C void ResizeSaltL(TInt aNewLen);
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	IMPORT_C void SetIterations(TInt aIterCount);
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	/** Destructor */
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	virtual ~CPBEncryptParms(void);
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	/** @internalAll */
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	void DeriveKeyL(const TDesC8& aPassword, TDes8& aKeyBuf) const;
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protected:	
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#ifdef PBEDATA_NO_EXPORTED_CONSTRUCTORS
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	/** @internalAll */
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	CPBEncryptParms(void);
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#else
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	/** Constructor */
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	IMPORT_C CPBEncryptParms(void);
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#endif
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	/** @internalAll */
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	void ConstructL();
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	/** @internalAll*/
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	void ConstructL(TPBECipher aCipher, const TDesC8& aSalt,
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		const TDesC8& aIV, TUint aIterations);
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	/** @internalAll*/
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	void ConstructL(const CPBEncryptParms& aParms);
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	/** @internalAll*/
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	void ConstructL(RReadStream& aStream);
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private:
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	CPBEncryptParms(const CPBEncryptParms&);
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	CPBEncryptParms& operator= (const CPBEncryptParms&);
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private:
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	class TParamsData
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	/**
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		This class contains multiple objects.  Its
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		pointer is stored in CPBEncryptParms to preserve
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		BC, because CPBEncryptParms has an exported,
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		protected constructor.
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	 */
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		{
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	public:
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		TPBECipher iCipher;
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		/**
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			The password is processed with this function
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			to generate the encryption key.
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		 */
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		TKdf iKdf;
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		};
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	TParamsData* iData;
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	HBufC8* iSalt;
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	HBufC8* iIV;
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	TUint iIterations;
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	};
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/**
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 * Contains the password based authentication data.
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 * Used to check the passphrase when decrypting.
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 *
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 * @since v7.0s
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 */
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class CPBAuthData : public CBase
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	{
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public:
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	/**
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	 * Derives an authentication key.
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	 *
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	 * @param aPassword		The user's initial password
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	 * @param aSalt			The salt
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	 * @param aKeySize		The key size
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	 * @param aIterations	The number of iterations of the PBE algorithm
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	 * @return				A pointer to the new CPBAuthData object
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	 */
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	IMPORT_C static CPBAuthData* NewL(const TDesC8& aPassword, 
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		const TDesC8& aSalt, TUint aKeySize, TUint aIterations);
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	/**
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	 * Derives an authentication key.
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	 *
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	 * The returned pointer is put onto the cleanup stack.
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	 *
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	 * @param aPassword		The user's initial password
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	 * @param aSalt			The salt
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	 * @param aKeySize		The key size
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	 * @param aIterations	The number of iterations of the PBE algorithm
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	 * @return				A pointer to the new CPBAuthData object
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	 */
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	IMPORT_C static CPBAuthData* NewLC(const TDesC8& aPassword, 
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		const TDesC8& aSalt, TUint aKeySize, TUint aIterations);
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	/**
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	 * Creates a new CPBAuthData object from an existing authentication key.
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	 *
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	 * @param aData	The existing CPBAuthData object
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	 * @return		A pointer to the new CPBAuthData object
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	 */
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	IMPORT_C static CPBAuthData* NewL(const CPBAuthData& aData);
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	/**
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	 * Creates a new CPBAuthData object from an existing authentication key.
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	 *
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	 * The returned pointer is put onto the cleanup stack.
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	 *
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	 * @param aData	The existing CPBAuthData object
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	 * @return		A pointer to the new CPBAuthData object
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	 */
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	IMPORT_C static CPBAuthData* NewLC(const CPBAuthData& aData);
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	/**
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	 * Creates a new CPBAuthData object from an existing authentication key
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	 * by internalizing the authentication data from a read stream.
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	 *
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	 * @param aStream	The stream to read from
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	 * @return			A pointer to the new CPBAuthData object
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	 */
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	IMPORT_C static CPBAuthData* NewL(RReadStream& aStream);
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	/**
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	 * Creates a new CPBAuthData object from an existing authentication key
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	 * by internalizing the authentication data from a read stream.
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	 *
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	 * The returned pointer is put onto the cleanup stack.
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	 *
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	 * @param aStream	The stream to read from
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	 * @return			A pointer to the new CPBAuthData object
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	 */
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	IMPORT_C static CPBAuthData* NewLC(RReadStream& aStream);
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	/**
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	 * Gets the authentication key
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	 *
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	 * @return	The key
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	 */
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	IMPORT_C TPtrC8 Key() const;
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   307
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	/**
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	 * Gets the salt used for the authentication 
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	 *
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	 * @return	The salt
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	 */
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	IMPORT_C TPtrC8 Salt() const;
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   314
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	/**
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	 * Gets the number of iterations of the hashing algorithm.
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	 *
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	 * @return	The number of iterations
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	 */
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	IMPORT_C TInt Iterations() const;
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   321
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	/**
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	 * Tests whether two authentication keys are identical 
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	 *
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	 * @param aAuth	The authentication data object which holds the key to be tested
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	 * @return		ETrue, if they are identical; EFalse, otherwise
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	 */
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	IMPORT_C TBool operator==(const CPBAuthData& aAuth) const;
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   329
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	/**
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	 * Externalizes the encryption parameters into a write stream.
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	 *
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	 * @param aStream	The stream to write to
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	 */
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	IMPORT_C void ExternalizeL(RWriteStream& aStream) const;
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	/** Destructor */
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	virtual ~CPBAuthData(void);
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protected:
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#ifdef PBEDATA_NO_EXPORTED_CONSTRUCTORS
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	CPBAuthData(void);
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#else
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	/** Constructor */
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	IMPORT_C CPBAuthData(void);
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#endif
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
	/** @internalAll */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
	void ConstructL(const TDesC8& aPassword, const TDesC8& aSalt,
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
		TUint aKeySize, TUint aIterations);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
	/** @internalAll */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
	void ConstructL(const CPBAuthData& aData);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
	/** @internalAll */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
	void ConstructL(RReadStream& aStream);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
private:
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
	CPBAuthData(const CPBAuthData&);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
	CPBAuthData& operator= (const CPBAuthData&);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
private:
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
	HBufC8* iAuthKey;
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
	HBufC8* iSalt;
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
	TUint iIterations;
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
	};
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
/** 
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
 * Represents the information needed to decrypt encrypted data given the correct password.  
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
 * Contains the authentication key, and the parameters used to derive the encryption key.
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
 * A CPBEncryptionData object needs to be stored to recover any data for later use.
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
 * @see CPBEncryptParms
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
 * @see CPBAuthData
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
 * @since v7.0s
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
 */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
class CPBEncryptionData : public CBase
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
	{
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
public:
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
	/**
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
	 * Creates a new CPBEncryptionData object 
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
	 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
	 * @param aPassword		The user's initial password
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
	 * @param aCipher		The cipher to use
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
	 * @param aAuthSalt		The salt used for the authentication
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
	 * @param aEncryptSalt	The salt used for the encryption
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
	 * @param aIV			The Initialization Vector
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
	 * @param aIterations	The number of iterations of the PBE algorithm
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
	 * @return				A pointer to the new CPBEncryptionData object
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
	 */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
	IMPORT_C static CPBEncryptionData* NewL(const TDesC8& aPassword,
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
		TPBECipher aCipher, const TDesC8& aAuthSalt, 
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
		const TDesC8& aEncryptSalt, const TDesC8& aIV, TUint aIterations);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
	/**
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
	 * Creates a new CPBEncryptionData object 
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
	 * and puts a pointer to it onto the cleanup stack.
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
	 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
	 * @param aPassword		The user's initial password
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
	 * @param aCipher		The cipher to use
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
	 * @param aAuthSalt		The salt used for the authentication
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
	 * @param aEncryptSalt	The salt used for the encryption
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
	 * @param aIV			The Initialization Vector
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
	 * @param aIterations	The number of iterations of the PBE algorithm
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
	 * @return				A pointer to the new CPBEncryptionData object
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
	 */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
	IMPORT_C static CPBEncryptionData* NewLC(const TDesC8& aPassword,
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
		TPBECipher aCipher, const TDesC8& aAuthSalt, 
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
		const TDesC8& aEncryptSalt, const TDesC8& aIV, TUint aIterations);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
	/**
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
	 * Creates a new CPBEncryptionData from an existing one.
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
	 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
	 * @param aData	The existing CPBEncryptionData object
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
	 * @return		A pointer to the new CPBEncryptionData object
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
	 */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
	IMPORT_C static CPBEncryptionData* NewL(const CPBEncryptionData& aData);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
	/**
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
	 * Creates a new CPBEncryptionData from an existing one,
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
	 * and puts a pointer to it onto the cleanup stack.
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
	 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
	 * @param aData	The existing CPBEncryptionData object
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
	 * @return		A pointer to the new CPBEncryptionData object
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
	 */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
	IMPORT_C static CPBEncryptionData* NewLC(const CPBEncryptionData& aData);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
	/**
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
	 * Internalizes the encryption data from a read stream.
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
	 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
	 * @param aStream	The stream to read from
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
	 * @return			A pointer to the new CPBEncryptionData object
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
	 */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
	IMPORT_C static CPBEncryptionData* NewL(RReadStream& aStream);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
	/**
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
	 * Internalizes the encryption data from a read stream,
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
	 * and puts a pointer to it onto the cleanup stack.
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
	 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
	 * @param aStream	The stream to read from
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
	 * @return			A pointer to the new CPBEncryptionData object
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
	 */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
	IMPORT_C static CPBEncryptionData* NewLC(RReadStream& aStream);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
	IMPORT_C static CPBEncryptionData* NewL(
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
		const TDesC8& aPassword, const TDesC8& aAuthSalt,
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
		const CPBEncryptParms& aParms);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
	/**
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
	 * Returns the encryption parameter object.
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
	 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
	 * @return	The CPBEncryptParms object
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
	 */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
	IMPORT_C const CPBEncryptParms& EncryptParms() const;
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
	/**
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
	 * Returns the authentication data object.
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
	 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
	 * @return	The CPBAuthData object
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
	 */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
	IMPORT_C const CPBAuthData& AuthData() const;
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
	/**
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
	 * Externalizes the encryption data into a write stream.
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
	 *
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
	 * @param aStream	The stream to write to
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
	 */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
	IMPORT_C void ExternalizeL(RWriteStream& aStream) const;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
	/** Destructor */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
	virtual ~CPBEncryptionData(void);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
protected:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
#ifdef PBEDATA_NO_EXPORTED_CONSTRUCTORS
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
	CPBEncryptionData(void);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
#else
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
	/** Constructor */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
	IMPORT_C CPBEncryptionData(void);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
#endif
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
	/** @internalAll */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
	void ConstructL(const TDesC8& aPassword, TPBECipher aCipher,
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
		const TDesC8& aAuthSalt, const TDesC8& aEncryptSalt, const TDesC8& aIV,
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
		TUint aIterations);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
	/** @internalAll */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
	void ConstructL(const CPBEncryptionData& aData);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
	/** @internalAll */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
	void ConstructL(
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
		const TDesC8& aPassword, const TDesC8& aAuthSalt,
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
		const CPBEncryptParms& aParms);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
	/** @internalAll */
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
	void ConstructL(RReadStream& aStream);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
private:
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
	CPBEncryptionData(const CPBEncryptionData&);
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
	CPBEncryptionData& operator= (const CPBEncryptionData&);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
private:
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
	CPBEncryptParms* iParms;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
	CPBAuthData* iAuth;
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
	};
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
35751d3474b7 Revision: 200935
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
#endif