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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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*
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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 __PKCS12KDF_H__
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#define __PKCS12KDF_H__
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#include <e32std.h>
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class PKCS12KDF
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/**
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Namespace class contains static functions which
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are used to generate a key for PKCS#12 operations.
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See Section B from PKCS 12 v1.0.
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*/
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{
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public:
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enum TIDByteType
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/**
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ID byte value used to generate (en|de)cryption key,
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IV, or MAC key. See SB.3 of spec.
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*/
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{
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/** Generates a key for (en|de)cryption. */
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EIDByteEncryptKey = 1,
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/** Generates an initialization vector. */
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EIDByteIV = 2,
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/** Generates a key for MAC-ing. */
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EIDByteMACKey = 3
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};
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public:
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IMPORT_C static void DeriveKeyL(
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TDes8& aKey, TIDByteType aIDType,
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const TDesC8& aPasswd, const TDesC8& aSalt, const TUint aIterations);
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IMPORT_C static HBufC8* GeneratePasswordLC(const TDesC& aDes);
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private:
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static void Process6cL(TDes8& Ij, const TDesC8& B, TInt v);
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#ifdef _DEBUG
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enum TPanic
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{
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EDKEmptyPswd = 0x10, EDKOddPswdByteCount, EDKBadNullTerminator
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};
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static void Panic(TPanic aPanic);
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#endif
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// not implemented - prevents instantiation
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PKCS12KDF();
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};
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#endif // #ifndef __PKCS12KDF_H__
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