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/*
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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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#include "keyconverter.h"
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#include <cryptospi/cryptoparams.h>
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#include <cryptospi/cryptospidef.h>
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#include "keys.h"
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#include "keypair.h"
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using namespace CryptoSpi;
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/* CKeyConverter */
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CKey* KeyConverter::CreateKeyL(const CDHPrivateKey& aPrivateKey)
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{
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/*
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* setup key attributes
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*/
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TKeyProperty keyProperty;
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keyProperty.iAlgorithmUid = KDHAgreementUid;
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/*
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* extract key parameters from the compatibility dh key object
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*/
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CCryptoParams* keyParameters = CCryptoParams::NewLC();
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keyParameters->AddL(aPrivateKey.N(), KDhKeyParameterNUid);
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keyParameters->AddL(aPrivateKey.G(), KDhKeyParameterGUid);
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keyParameters->AddL(aPrivateKey.x(), KDhKeyParameterxUid);
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/*
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* create a CKey from the parameters
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*/
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CKey* newPrivateKey = CKey::NewL(keyProperty, *keyParameters);
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CleanupStack::PopAndDestroy(1, keyParameters);
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return newPrivateKey;
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}
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CKey* KeyConverter::CreateKeyL(const CDHPublicKey& aPublicKey)
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{
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/*
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* setup key attributes
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*/
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TKeyProperty keyProperty;
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keyProperty.iAlgorithmUid = KDHAgreementUid;
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/*
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* extract key parameters from the compatibility dh key object
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*/
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CCryptoParams* keyParameters = CCryptoParams::NewLC();
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keyParameters->AddL(aPublicKey.N(), KDhKeyParameterNUid);
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keyParameters->AddL(aPublicKey.G(), KDhKeyParameterGUid);
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keyParameters->AddL(aPublicKey.X(), KDhKeyParameterXUid);
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/*
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* create a CKey from the parameters
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*/
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CKey* newPublicKey = CKey::NewL(keyProperty, *keyParameters);
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CleanupStack::PopAndDestroy(1, keyParameters);
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return newPublicKey;
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}
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CKey* KeyConverter::CreateKeyL(const CDSAPrivateKey& aPrivateKey)
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{
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TKeyProperty keyProperty = {KDsaSignerUid, KNullUid, KDsaPrivateKeyUid, KNonEmbeddedKeyUid};
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CCryptoParams* keyParameters = CCryptoParams::NewLC();
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keyParameters->AddL(aPrivateKey.P(), KDsaKeyParameterPUid);
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keyParameters->AddL(aPrivateKey.Q(), KDsaKeyParameterQUid);
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keyParameters->AddL(aPrivateKey.G(), KDsaKeyParameterGUid);
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keyParameters->AddL(aPrivateKey.X(), KDsaKeyParameterXUid);
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CKey* newPrivateKey = CKey::NewL(keyProperty, *keyParameters);
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CleanupStack::PopAndDestroy(keyParameters);
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return newPrivateKey;
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}
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CKey* KeyConverter::CreateKeyL(const CDSAPublicKey& aPublicKey)
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{
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TKeyProperty keyProperty = {KDsaSignerUid, KNullUid, KDsaPublicKeyUid, KNonEmbeddedKeyUid};
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CCryptoParams* keyParameters = CCryptoParams::NewLC();
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keyParameters->AddL(aPublicKey.P(), KDsaKeyParameterPUid);
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keyParameters->AddL(aPublicKey.Q(), KDsaKeyParameterQUid);
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keyParameters->AddL(aPublicKey.G(), KDsaKeyParameterGUid);
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keyParameters->AddL(aPublicKey.Y(), KDsaKeyParameterYUid);
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CKey* newPublicKey = CKey::NewL(keyProperty, *keyParameters);
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CleanupStack::PopAndDestroy(keyParameters);
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return newPublicKey;
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}
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// RSA convertors ///////////////////////////////////////////////////////////////////////////
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CKey* KeyConverter::CreateKeyL(const CRSAPrivateKeyCRT& aPrivateKey)
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{
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TKeyProperty keyProperty = {KRsaCipherUid,
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NULL,
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KRsaPrivateKeyCRTUid,
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KNonEmbeddedKeyUid };
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CCryptoParams* keyParameters = CCryptoParams::NewLC();
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keyParameters->AddL(aPrivateKey.N(), KRsaKeyParameterNUid);
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keyParameters->AddL(aPrivateKey.P(), KRsaKeyParameterPUid);
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keyParameters->AddL(aPrivateKey.Q(), KRsaKeyParameterQUid);
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keyParameters->AddL(aPrivateKey.QInv(), KRsaKeyParameterQInvUid);
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keyParameters->AddL(aPrivateKey.DP(), KRsaKeyParameterDPUid);
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keyParameters->AddL(aPrivateKey.DQ(), KRsaKeyParameterDQUid);
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CKey* newPrivateKey = CKey::NewL(keyProperty, *keyParameters);
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CleanupStack::PopAndDestroy(keyParameters);
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return newPrivateKey;
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}
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CKey* KeyConverter::CreateKeyL(const CRSAPrivateKeyStandard& aPrivateKey)
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{
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TKeyProperty keyProperty = {KRsaCipherUid,
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NULL,
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KRsaPrivateKeyStandardUid,
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KNonEmbeddedKeyUid };
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CCryptoParams* keyParameters = CCryptoParams::NewLC();
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keyParameters->AddL(aPrivateKey.N(), KRsaKeyParameterNUid);
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keyParameters->AddL(aPrivateKey.D(), KRsaKeyParameterDUid);
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CKey* newPrivateKey = CKey::NewL(keyProperty, *keyParameters);
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CleanupStack::PopAndDestroy(keyParameters);
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return newPrivateKey;
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}
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CKey* KeyConverter::CreateKeyL(const CRSAPublicKey& aPublicKey)
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{
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TKeyProperty keyProperty = {KRsaCipherUid,
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NULL,
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KRsaPublicKeyUid,
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KNonEmbeddedKeyUid };
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CCryptoParams* keyParameters = CCryptoParams::NewLC();
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keyParameters->AddL(aPublicKey.N(), KRsaKeyParameterNUid);
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keyParameters->AddL(aPublicKey.E(), KRsaKeyParameterEUid);
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CKey* newPublicKey = CKey::NewL(keyProperty, *keyParameters);
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CleanupStack::PopAndDestroy(keyParameters);
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return newPublicKey;
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}
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CKey* KeyConverter::CreateKeyL(const CRSAPrivateKey& aPrivateKey)
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{
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// Determine which type of private key
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if (aPrivateKey.PrivateKeyType() == EStandard)
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{
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const CRSAPrivateKeyStandard* stdKey = static_cast<const CRSAPrivateKeyStandard*>(&aPrivateKey);
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return KeyConverter::CreateKeyL(*stdKey);
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}
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else if (aPrivateKey.PrivateKeyType() == EStandardCRT)
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{
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const CRSAPrivateKeyCRT* crtKey = static_cast<const CRSAPrivateKeyCRT*>(&aPrivateKey);
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return KeyConverter::CreateKeyL(*crtKey);
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}
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return NULL; // Keep the compiler happy
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}
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// Methods which are not supported or not exposed out of library can be excluded from the coverage.
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#ifdef _BullseyeCoverage
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#pragma suppress_warnings on
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#pragma BullseyeCoverage off
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#pragma suppress_warnings off
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#endif
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CKeyPair* KeyConverter::CreateKeyPairL(const CDSAKeyPair& /*aKeyPair*/)
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{
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return NULL;
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}
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CKeyPair* KeyConverter::CreateKeyPairL(const CRSAKeyPair& aKeyPair)
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{
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CKey* newPrivateKey = KeyConverter::CreateKeyL(aKeyPair.PrivateKey());
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CleanupStack::PushL(newPrivateKey);
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CKey* newPublicKey = KeyConverter::CreateKeyL(aKeyPair.PublicKey());
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CleanupStack::PushL(newPublicKey);
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CKeyPair* newKeyPair = CKeyPair::NewL(newPublicKey, newPrivateKey);
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CleanupStack::Pop(2, newPrivateKey);
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return newKeyPair;
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}
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CKeyPair* KeyConverter::CreateKeyPairL(const CDHKeyPair& aKeyPair)
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{
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CKey* newPrivateKey = KeyConverter::CreateKeyL(aKeyPair.PrivateKey());
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CleanupStack::PushL(newPrivateKey);
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CKey* newPublicKey = KeyConverter::CreateKeyL(aKeyPair.PublicKey());
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CleanupStack::PushL(newPublicKey);
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CKeyPair* newKeyPair = CKeyPair::NewL(newPublicKey, newPrivateKey);
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CleanupStack::Pop(2, newPrivateKey);
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return newKeyPair;
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}
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