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/*
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* Copyright (c) 2006-2010 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 "rsashim.h"
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#include <cryptospi/cryptoasymmetriccipherapi.h>
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#include <cryptospi/cryptosignatureapi.h>
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#include <cryptospi/cryptospidef.h>
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#include "keyconverter.h"
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#include <cryptospi/keys.h>
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#include "../common/inlines.h"
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using namespace CryptoSpi;
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// CRSAPKCS1v15EncryptorShim ////////////////////////////////////////////////////////
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CRSAPKCS1v15EncryptorShim* CRSAPKCS1v15EncryptorShim::NewL(const CRSAPublicKey& aKey)
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{
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CRSAPKCS1v15EncryptorShim* self = CRSAPKCS1v15EncryptorShim::NewLC(aKey);
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CleanupStack::Pop(self);
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return self;
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}
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CRSAPKCS1v15EncryptorShim* CRSAPKCS1v15EncryptorShim::NewLC(const CRSAPublicKey& aKey)
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{
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CRSAPKCS1v15EncryptorShim* self = new (ELeave) CRSAPKCS1v15EncryptorShim(aKey);
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CleanupStack::PushL(self);
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self->ConstructL(aKey);
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return self;
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}
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CRSAPKCS1v15EncryptorShim::CRSAPKCS1v15EncryptorShim(const CRSAPublicKey& aKey)
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: CRSAPKCS1v15Encryptor(aKey)
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{
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}
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CRSAPKCS1v15EncryptorShim::~CRSAPKCS1v15EncryptorShim()
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{
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delete iAsymmetricCipherImpl;
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delete iKey;
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}
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void CRSAPKCS1v15EncryptorShim::ConstructL(const CRSAPublicKey& aKey)
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{
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iKey = KeyConverter::CreateKeyL(aKey);
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CAsymmetricCipherFactory::CreateAsymmetricCipherL(
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iAsymmetricCipherImpl,
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KRsaCipherUid,
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*iKey,
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KCryptoModeEncryptUid,
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KPaddingModePkcs1_v1_5_EncryptionUid,
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NULL);
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}
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void CRSAPKCS1v15EncryptorShim::EncryptL(const TDesC8& aInput, TDes8& aOutput) const
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{
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iAsymmetricCipherImpl->ProcessL(aInput, aOutput);
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}
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TInt CRSAPKCS1v15EncryptorShim::MaxInputLength(void) const
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{
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TInt maxInputLength=0;
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TRAPD(err, maxInputLength=iAsymmetricCipherImpl->GetMaximumInputLengthL())
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if (err==KErrNone)
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{
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return maxInputLength;
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}
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else
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{
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return err;
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}
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}
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TInt CRSAPKCS1v15EncryptorShim::MaxOutputLength(void) const
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{
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TInt maxOutputLength=0;
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TRAPD(err, maxOutputLength=iAsymmetricCipherImpl->GetMaximumOutputLengthL())
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if (err==KErrNone)
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{
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return maxOutputLength;
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}
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else
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{
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return err;
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}
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}
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// CRSAPKCS1v15DecryptorShim ////////////////////////////////////////////////////////
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CRSAPKCS1v15DecryptorShim* CRSAPKCS1v15DecryptorShim::NewL(const CRSAPrivateKey& aKey)
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{
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CRSAPKCS1v15DecryptorShim* self = CRSAPKCS1v15DecryptorShim::NewLC(aKey);
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CleanupStack::Pop(self);
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return self;
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}
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CRSAPKCS1v15DecryptorShim* CRSAPKCS1v15DecryptorShim::NewLC(const CRSAPrivateKey& aKey)
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{
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CRSAPKCS1v15DecryptorShim* self = new (ELeave) CRSAPKCS1v15DecryptorShim(aKey);
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CleanupStack::PushL(self);
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self->ConstructL(aKey);
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return self;
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}
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CRSAPKCS1v15DecryptorShim::CRSAPKCS1v15DecryptorShim(const CRSAPrivateKey& aKey)
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: CRSAPKCS1v15Decryptor(aKey)
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{
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}
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CRSAPKCS1v15DecryptorShim::~CRSAPKCS1v15DecryptorShim()
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{
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delete iAsymmetricCipherImpl;
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delete iKey;
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}
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void CRSAPKCS1v15DecryptorShim::ConstructL(const CRSAPrivateKey& aKey)
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{
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iKey = KeyConverter::CreateKeyL(aKey);
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CAsymmetricCipherFactory::CreateAsymmetricCipherL(
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iAsymmetricCipherImpl,
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KRsaCipherUid,
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*iKey,
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KCryptoModeDecryptUid,
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KPaddingModePkcs1_v1_5_EncryptionUid,
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NULL);
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}
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void CRSAPKCS1v15DecryptorShim::DecryptL(const TDesC8& aInput, TDes8& aOutput) const
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{
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iAsymmetricCipherImpl->ProcessL(aInput, aOutput);
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}
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TInt CRSAPKCS1v15DecryptorShim::MaxInputLength(void) const
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{
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TInt maxInputLength=0;
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TRAPD(err, maxInputLength=iAsymmetricCipherImpl->GetMaximumInputLengthL())
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if (err==KErrNone)
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{
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return maxInputLength;
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}
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else
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{
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return err;
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}
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}
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TInt CRSAPKCS1v15DecryptorShim::MaxOutputLength(void) const
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{
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TInt maxOutputLength=0;
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TRAPD(err, maxOutputLength=iAsymmetricCipherImpl->GetMaximumOutputLengthL())
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if (err==KErrNone)
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{
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return maxOutputLength;
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}
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else
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{
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return err;
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}
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}
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// CRSAPKCS1v15SignerShim ////////////////////////////////////////////////////////
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CRSAPKCS1v15SignerShim* CRSAPKCS1v15SignerShim::NewL(const CRSAPrivateKey& aKey)
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{
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CRSAPKCS1v15SignerShim* self = CRSAPKCS1v15SignerShim::NewLC(aKey);
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CleanupStack::Pop(self);
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return self;
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}
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CRSAPKCS1v15SignerShim* CRSAPKCS1v15SignerShim::NewLC(const CRSAPrivateKey& aKey)
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{
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CRSAPKCS1v15SignerShim* self = new (ELeave) CRSAPKCS1v15SignerShim(aKey);
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CleanupStack::PushL(self);
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self->ConstructL(aKey);
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return self;
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}
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CRSASignature* CRSAPKCS1v15SignerShim::SignL(const TDesC8& aInput) const
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{
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//Sign the input data
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CCryptoParams* signature = CCryptoParams::NewLC();
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iSignerImpl->SignL(aInput, *signature);
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//Retrieve the S in RSA signature from the array
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const TInteger& cS=signature->GetBigIntL(KRsaSignatureParameterSUid);
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//Make copies of the RSA signature
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RInteger s=RInteger::NewL(cS);
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CleanupClosePushL(s);
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//Create the RSA signature object, the ownership of s is transfered to rsaSig
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CRSASignature* rsaSig=CRSASignature::NewL(s);
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//Cleanup
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CleanupStack::Pop(&s);
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CleanupStack::PopAndDestroy(signature);
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return rsaSig;
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}
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TInt CRSAPKCS1v15SignerShim::MaxInputLength(void) const
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{
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TInt maxInputLength=0;
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TRAPD(err, maxInputLength=iSignerImpl->GetMaximumInputLengthL())
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if (err==KErrNone)
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{
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return maxInputLength;
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}
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else
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{
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return err;
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}
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}
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TInt CRSAPKCS1v15SignerShim::MaxOutputLength(void) const
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{
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TInt maxOutputLength=0;
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TRAPD(err, maxOutputLength=iSignerImpl->GetMaximumOutputLengthL())
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if (err==KErrNone)
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{
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return maxOutputLength;
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}
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else
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{
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return err;
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}
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}
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CRSAPKCS1v15SignerShim::~CRSAPKCS1v15SignerShim(void)
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{
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delete iSignerImpl;
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delete iKey;
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}
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CRSAPKCS1v15SignerShim::CRSAPKCS1v15SignerShim(const CRSAPrivateKey& aKey)
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: CRSAPKCS1v15Signer(aKey)
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{
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}
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void CRSAPKCS1v15SignerShim::ConstructL(const CRSAPrivateKey& aKey)
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{
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iKey = KeyConverter::CreateKeyL(aKey);
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CSignatureFactory::CreateSignerL(
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iSignerImpl,
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KRsaSignerUid,
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*iKey,
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KPaddingModePkcs1_v1_5_SignatureUid,
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NULL);
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}
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// CRSAPKCS1v15VerifierShim ////////////////////////////////////////////////////////
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CRSAPKCS1v15VerifierShim* CRSAPKCS1v15VerifierShim::NewL(const CRSAPublicKey& aKey)
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{
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CRSAPKCS1v15VerifierShim* self = CRSAPKCS1v15VerifierShim::NewLC(aKey);
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CleanupStack::Pop(self);
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return self;
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}
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CRSAPKCS1v15VerifierShim* CRSAPKCS1v15VerifierShim::NewLC(const CRSAPublicKey& aKey)
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{
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CRSAPKCS1v15VerifierShim* self = new (ELeave) CRSAPKCS1v15VerifierShim(aKey);
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CleanupStack::PushL(self);
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self->ConstructL(aKey);
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return self;
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}
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TBool CRSAPKCS1v15VerifierShim::VerifyL(const TDesC8& aInput, const CRSASignature& aSignature) const
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{
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//create the array format rsa signature for the new crypto spi
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CCryptoParams* rsaSig = CCryptoParams::NewLC();
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rsaSig->AddL(aSignature.S(), KRsaSignatureParameterSUid);
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//pass the signature and input to crypto spi to be verified
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TBool verificationResult = EFalse;
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290 |
iVerifierImpl->VerifyL(aInput, *rsaSig, verificationResult);
|
|
sl@0
|
291 |
|
|
sl@0
|
292 |
//Cleanup the array
|
|
sl@0
|
293 |
CleanupStack::PopAndDestroy(rsaSig);
|
|
sl@0
|
294 |
return verificationResult;
|
|
sl@0
|
295 |
}
|
|
sl@0
|
296 |
|
|
sl@0
|
297 |
HBufC8* CRSAPKCS1v15VerifierShim::InverseSignLC(const CRSASignature& aSignature) const
|
|
sl@0
|
298 |
{
|
|
sl@0
|
299 |
//create the array format rsa signature for the new crypto spi
|
|
sl@0
|
300 |
CCryptoParams* rsaSig = CCryptoParams::NewLC();
|
|
sl@0
|
301 |
|
|
sl@0
|
302 |
rsaSig->AddL(aSignature.S(), KRsaSignatureParameterSUid);
|
|
sl@0
|
303 |
|
|
sl@0
|
304 |
//pass the signature and input to crypto spi to be verified
|
|
sl@0
|
305 |
HBufC8* output = NULL;
|
|
sl@0
|
306 |
iVerifierImpl->InverseSignL(output, *rsaSig);
|
|
sl@0
|
307 |
|
|
sl@0
|
308 |
//Cleanup the array
|
|
sl@0
|
309 |
CleanupStack::PopAndDestroy(rsaSig);
|
|
sl@0
|
310 |
|
|
sl@0
|
311 |
// leave output on the cleanup stack
|
|
sl@0
|
312 |
CleanupStack::PushL(output);
|
|
sl@0
|
313 |
return output;
|
|
sl@0
|
314 |
}
|
|
sl@0
|
315 |
|
|
sl@0
|
316 |
TInt CRSAPKCS1v15VerifierShim::MaxInputLength(void) const
|
|
sl@0
|
317 |
{
|
|
sl@0
|
318 |
TInt maxInputLength=0;
|
|
sl@0
|
319 |
TRAPD(err, maxInputLength=iVerifierImpl->GetMaximumInputLengthL())
|
|
sl@0
|
320 |
if (err==KErrNone)
|
|
sl@0
|
321 |
{
|
|
sl@0
|
322 |
return maxInputLength;
|
|
sl@0
|
323 |
}
|
|
sl@0
|
324 |
else
|
|
sl@0
|
325 |
{
|
|
sl@0
|
326 |
return err;
|
|
sl@0
|
327 |
}
|
|
sl@0
|
328 |
}
|
|
sl@0
|
329 |
|
|
sl@0
|
330 |
TInt CRSAPKCS1v15VerifierShim::MaxOutputLength(void) const
|
|
sl@0
|
331 |
{
|
|
sl@0
|
332 |
TInt maxOutputLength=0;
|
|
sl@0
|
333 |
TRAPD(err, maxOutputLength=iVerifierImpl->GetMaximumOutputLengthL())
|
|
sl@0
|
334 |
if (err==KErrNone)
|
|
sl@0
|
335 |
{
|
|
sl@0
|
336 |
return maxOutputLength;
|
|
sl@0
|
337 |
}
|
|
sl@0
|
338 |
else
|
|
sl@0
|
339 |
{
|
|
sl@0
|
340 |
return err;
|
|
sl@0
|
341 |
}
|
|
sl@0
|
342 |
}
|
|
sl@0
|
343 |
|
|
sl@0
|
344 |
CRSAPKCS1v15VerifierShim::~CRSAPKCS1v15VerifierShim(void)
|
|
sl@0
|
345 |
{
|
|
sl@0
|
346 |
delete iVerifierImpl;
|
|
sl@0
|
347 |
delete iKey;
|
|
sl@0
|
348 |
}
|
|
sl@0
|
349 |
|
|
sl@0
|
350 |
CRSAPKCS1v15VerifierShim::CRSAPKCS1v15VerifierShim(const CRSAPublicKey& aKey)
|
|
sl@0
|
351 |
: CRSAPKCS1v15Verifier(aKey)
|
|
sl@0
|
352 |
{
|
|
sl@0
|
353 |
}
|
|
sl@0
|
354 |
|
|
sl@0
|
355 |
void CRSAPKCS1v15VerifierShim::ConstructL(const CRSAPublicKey& aKey)
|
|
sl@0
|
356 |
{
|
|
sl@0
|
357 |
iKey = KeyConverter::CreateKeyL(aKey);
|
|
sl@0
|
358 |
CSignatureFactory::CreateVerifierL(
|
|
sl@0
|
359 |
iVerifierImpl,
|
|
sl@0
|
360 |
KRsaVerifierUid,
|
|
sl@0
|
361 |
*iKey,
|
|
sl@0
|
362 |
KPaddingModePkcs1_v1_5_SignatureUid,
|
|
sl@0
|
363 |
NULL);
|
|
sl@0
|
364 |
}
|
|
sl@0
|
365 |
|