--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/source/asymmetric/dsashim.h Fri Nov 06 13:21:00 2009 +0200
@@ -0,0 +1,138 @@
+/*
+* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* DSA shim classes definition
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+#ifndef __DSASHIM_H__
+#define __DSASHIM_H__
+
+#include <asymmetric.h>
+
+namespace CryptoSpi
+ {
+ class CSigner;
+ class CVerifier;
+ class CKey;
+ }
+
+NONSHARABLE_CLASS(CDsaSignerShim) : public CDSASigner
+{
+public:
+ /**
+ Creates an CDsaSignerShim object which has the same interface
+ as CDSASigner but delegates all work to a Crypto SPI plug-in.
+
+ @param aKey The signing key
+ @return A pointer to a CDsaSignerShim instance
+ */
+ static CDsaSignerShim* NewL(const CDSAPrivateKey& aKey);
+
+ /**
+ Creates an CDsaSignerShim object which has the same interface
+ as CDSASigner but delegates all work to a Crypto SPI plug-in.
+
+ A pointer to the new object is placed on the cleanup stack
+
+ @param aKey The signing key
+ @return A pointer to a CDsaSignerShim instance
+ */
+ static CDsaSignerShim* NewLC(const CDSAPrivateKey& aKey);
+
+ /**
+ Digitally signs the specified input message
+ Note that in order to be interoperable and compliant with the DSS, aInput
+ must be the result of a SHA-1 hash.
+
+ @param aInput A SHA-1 hash of the message to sign
+ @return A pointer to a new CSignature object
+ @panic ECryptoPanicInputTooLarge If aInput is larger than MaxInputLength(),
+ which is likely to happen if the caller
+ has passed in something that has not been hashed.
+ */
+ virtual CDSASignature* SignL(const TDesC8& aInput) const;
+
+ //From MSignatureSystem
+ virtual TInt MaxInputLength() const;
+
+ /// Destructor
+ ~CDsaSignerShim();
+
+private:
+ /// Constructor
+ CDsaSignerShim(const CDSAPrivateKey& aKey);
+ void ConstructL(const CDSAPrivateKey& aKey);
+
+private:
+ /// SPI delegate
+ CryptoSpi::CSigner* iSignerImpl;
+
+ /// SPI requires all key to passed as key-objects
+ CryptoSpi::CKey* iKey;
+};
+
+NONSHARABLE_CLASS(CDsaVerifierShim) : public CDSAVerifier
+{
+public:
+ /**
+ Creates an CDsaVerifierShim object which has the same interface
+ as CDSAVerifier but delegates all work to a Crypto SPI plug-in.
+
+ @param aKey The verification key
+ @return A pointer to a CDsaVerifierShim instance
+ */
+ static CDsaVerifierShim* NewL(const CDSAPublicKey& aKey);
+
+ /**
+ Creates an CDsaVerifierShim object which has the same interface
+ as CDSAVerifier but delegates all work to a Crypto SPI plug-in.
+
+ A pointer to the new object is placed on the cleanup stack
+
+ @param aKey The verification key
+ @return A pointer to a CDsaVerifierShim instance
+ */
+ static CDsaVerifierShim* NewLC(const CDSAPublicKey& aKey);
+
+ //From CVerifier
+ virtual TBool VerifyL(const TDesC8& aInput, const CDSASignature& aSignature) const;
+
+ //From MSignatureSystem
+ virtual TInt MaxInputLength() const;
+
+ // Destructor
+ ~CDsaVerifierShim();
+
+private:
+ // Constructor
+ CDsaVerifierShim(const CDSAPublicKey& aKey);
+ void ConstructL(const CDSAPublicKey& aKey);
+
+private:
+ /// SPI delegate
+ CryptoSpi::CVerifier* iVerifierImpl;
+
+ /// SPI requires all key to passed as key-objects
+ CryptoSpi::CKey* iKey;
+};
+
+#endif // __DSASHIM_H__