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// Copyright (c) 2007-2009 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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//
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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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#include <e32base.h>
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#ifndef KEYASSOCIATION_H
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#define KEYASSOCIATION_H
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namespace StreamAccess
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{
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/**
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Defines the key association abstraction. In streaming protection, keys can be used slightly differently
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for different protection layers. In IPSec they are used as a part of SA (Security Associations), while in SRTP they
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are used as the Master Key - used for deriving the decryption and the authentication keys.
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*/
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class CKeyAssociation : public CBase
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{
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public:
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IMPORT_C virtual ~CKeyAssociation();
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};
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/**
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Defines a key association for the IPSec protocol.
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*/
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class CIpSecKeyAssociation : public CKeyAssociation
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{
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friend class CIpSecKeyStreamSink;
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public:
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/** Constructs a new key association for IPSec.
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@param aSpi The SPI (security parameter index) to be used.
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@param aEncryptionKey The encryption key to be used in this association. Please note that the ownership on aEncryptionKey is passed to the newly created object.
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@param aAuthenticationKey The authentication key to be used in this association. Please note that the ownership on aAuthenticationKey is passed to the newly created object.
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@leave One of the system-wide error codes.
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*/
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IMPORT_C static CIpSecKeyAssociation* NewL(TInt32 aSpi, HBufC8* aEncryptionKey, HBufC8* aAuthenticationKey);
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/**
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@see CIpSecKeyAssociation::NewL
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*/
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IMPORT_C static CIpSecKeyAssociation* NewLC(TInt32 aSpi, HBufC8* aEncryptionKey, HBufC8* aAuthenticationKey);
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private:
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TInt32 GetSpiL() const;
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const HBufC8* GetEncryptionKeyL() const;
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const HBufC8* GetAuthenticationKeyL() const;
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private:
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CIpSecKeyAssociation(TInt32 aSpi, HBufC8* aEncryptionKey, HBufC8* aAuthenticationKey);
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private:
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TInt32 iSpi;
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HBufC8 *iEncryptionKey;
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HBufC8 *iAuthenticationKey;
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};
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} // namespace StreamAccess
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#endif // KEYASSOCIATION_H
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