--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/source/asymmetric/rsashim.h Fri Nov 06 13:21:00 2009 +0200
@@ -0,0 +1,238 @@
+/*
+* 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:
+* RSA shim classes definition
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+#ifndef __RSASHIM_H__
+#define __RSASHIM_H__
+
+#include <asymmetric.h>
+
+namespace CryptoSpi
+ {
+ class CAsymmetricCipher;
+ class CKey;
+ class CSigner;
+ class CVerifier;
+ }
+
+NONSHARABLE_CLASS(CRSAPKCS1v15EncryptorShim) : public CRSAPKCS1v15Encryptor
+{
+public:
+ /**
+ Creates an RSAPKCS1v15EncryptorShim object which has the same interface
+ as CRSAPKCS1v15Encryptor but delegates all work to a Crypto SPI plug-in.
+
+ @param aKey The encryption key
+ @return A pointer to a CRSAPKCS1v15EncryptorShim instance
+ */
+ static CRSAPKCS1v15EncryptorShim* NewL(const CRSAPublicKey& aKey);
+
+ /**
+ Creates an RSAPKCS1v15EncryptorShim object which has the same interface
+ as CRSAPKCS1v15Encryptor 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 encryption key
+ @return A pointer to a CRSAPKCS1v15EncryptorShim instance
+ */
+ static CRSAPKCS1v15EncryptorShim* NewLC(const CRSAPublicKey& aKey);
+
+ // From CRSAPKCS1v15Encryptor
+ void EncryptL(const TDesC8& aInput, TDes8& aOutput) const;
+ TInt MaxInputLength(void) const;
+ TInt MaxOutputLength(void) const;
+
+ /// Destructor
+ ~CRSAPKCS1v15EncryptorShim();
+
+private:
+ /// Constructor
+ CRSAPKCS1v15EncryptorShim(const CRSAPublicKey& aKey);
+ void ConstructL(const CRSAPublicKey& aKey);
+
+private:
+ /// SPI delegate
+ CryptoSpi::CAsymmetricCipher* iAsymmetricCipherImpl;
+
+ /// SPI requires all key to passed as key-objects
+ CryptoSpi::CKey* iKey;
+};
+
+NONSHARABLE_CLASS(CRSAPKCS1v15DecryptorShim) : public CRSAPKCS1v15Decryptor
+{
+public:
+ /**
+ Creates an RSAPKCS1v15DecryptorShim object which has the same interface
+ as CRSAPKCS1v15Decryptor but delegates all work to a Crypto SPI plug-in.
+
+ @param aKey The decryption key
+ @return A pointer to a CRSAPKCS1v15DecryptorShim instance
+ */
+ static CRSAPKCS1v15DecryptorShim* NewL(const CRSAPrivateKey& aKey);
+
+ /**
+ Creates an RSAPKCS1v15EncryptorShim object which has the same interface
+ as CRSAPKCS1v15Decryptor 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 decryption key
+ @return A pointer to a CRSAPKCS1v15DecryptorShim instance
+ */
+ static CRSAPKCS1v15DecryptorShim* NewLC(const CRSAPrivateKey& aKey);
+
+ // From CRSAPKCS1v15Decryptor
+ void DecryptL(const TDesC8& aInput, TDes8& aOutput) const;
+ TInt MaxInputLength(void) const;
+ TInt MaxOutputLength(void) const;
+
+ /// Destructor
+ ~CRSAPKCS1v15DecryptorShim();
+
+private:
+ /// Constructor
+ CRSAPKCS1v15DecryptorShim(const CRSAPrivateKey& aKey);
+ void ConstructL(const CRSAPrivateKey& aKey);
+
+private:
+ /// SPI delegate
+ CryptoSpi::CAsymmetricCipher* iAsymmetricCipherImpl;
+
+ /// SPI requires all key to passed as key-objects
+ CryptoSpi::CKey* iKey;
+};
+
+NONSHARABLE_CLASS(CRSAPKCS1v15SignerShim) : public CRSAPKCS1v15Signer
+ {
+public:
+ /**
+ Creates a new CRSAPKCS1v15SignerShim object which has the same interface
+ as CRSAPKCS1v15Signer but delegates all work to a Crypto SPI plug-in.
+
+ @param aKey The RSA private key to be used for signing
+ @return A pointer to a CRSAPKCS1v15SignerShim instance
+ @leave KErrKeySize If the key length is too small
+ */
+ static CRSAPKCS1v15SignerShim* NewL(const CRSAPrivateKey& aKey);
+
+ /**
+ Creates a new CRSAPKCS1v15SignerShim object which has the same interface
+ as CRSAPKCS1v15Signer but delegates all work to a Crypto SPI plug-in.
+
+ @param aKey The RSA private key to be used for signing
+ @return A pointer to a CRSAPKCS1v15SignerShim instance
+ @leave KErrKeySize If the key length is too small
+ */
+ static CRSAPKCS1v15SignerShim* NewLC(const CRSAPrivateKey& aKey);
+
+ // From CRSAPKCS1v15Signer
+ virtual CRSASignature* SignL(const TDesC8& aInput) const;
+ virtual TInt MaxInputLength(void) const;
+ virtual TInt MaxOutputLength(void) const;
+ /** The destructor frees all resources owned by the object, prior to its destruction.*/
+ ~CRSAPKCS1v15SignerShim(void);
+protected:
+
+ CRSAPKCS1v15SignerShim(const CRSAPrivateKey& aKey);
+ void ConstructL(const CRSAPrivateKey& aKey);
+
+protected:
+ /// SPI delegate
+ CryptoSpi::CSigner* iSignerImpl;
+
+ /// SPI requires all key to passed as key-objects
+ CryptoSpi::CKey* iKey;
+private:
+ CRSAPKCS1v15SignerShim(const CRSAPKCS1v15SignerShim&);
+ CRSAPKCS1v15SignerShim& operator=(const CRSAPKCS1v15SignerShim&);
+ };
+
+/**
+* This class verifies RSA signatures given a message and its supposed
+* signature. It follows the RSA PKCS#1 v1.5 with PKCS#1 v1.5 padding specification
+* with the following exception: the VerifyL() function does <b>not</b> hash or
+* in any way manipulate the input data before checking. Thus in order to verify
+* RSA signatures in PKCS#1 v1.5 format, the input data needs to follow PKCS#1 v1.5
+* specification, i.e. be ASN.1 encoded and prefixed by ASN.1 encoded digestId.
+*
+* @internalComponent
+* @released
+*/
+NONSHARABLE_CLASS(CRSAPKCS1v15VerifierShim) : public CRSAPKCS1v15Verifier
+ {
+public:
+ /**
+ @internalComponent
+
+ Creates a new CRSAPKCS1v15VerifierShim object which has the same interface
+ as CRSAPKCS1v15Verifier but delegates all work to a Crypto SPI plug-in.
+
+ @param aKey The RSA public key to be used for verifying
+ @return A pointer to a CRSAPKCS1v15VerifierShim instance
+ @leave KErrKeySize If the key length is too small
+ */
+ static CRSAPKCS1v15VerifierShim* NewL(const CRSAPublicKey& aKey);
+
+ /**
+ @internalComponent
+
+ Creates a new CRSAPKCS1v15VerifierShim object which has the same interface
+ as CRSAPKCS1v15Verifier but delegates all work to a Crypto SPI plug-in.
+
+ The returned pointer is put onto the cleanup stack.
+
+ @param aKey The RSA public key to be used for verifying
+ @return A pointer to a CRSAPKCS1v15VerifierShim instance
+
+ @leave KErrKeySize If the key length is too small
+ */
+ static CRSAPKCS1v15VerifierShim* NewLC(const CRSAPublicKey& aKey);
+
+ // CRSAPKCS1v15Verifier
+ virtual TInt MaxInputLength(void) const;
+ virtual TInt MaxOutputLength(void) const;
+
+ // RSAVerifier
+ virtual TBool VerifyL(const TDesC8& aInput, const CRSASignature& aSignature) const;
+ virtual HBufC8* InverseSignLC(const CRSASignature& aSignature) const;
+
+ /** The destructor frees all resources owned by the object, prior to its destruction. */
+ virtual ~CRSAPKCS1v15VerifierShim(void);
+protected:
+ CRSAPKCS1v15VerifierShim(const CRSAPublicKey& aKey);
+ void ConstructL(const CRSAPublicKey& aKey);
+
+protected:
+ /// SPI delegate
+ CryptoSpi::CVerifier* iVerifierImpl;
+
+ /// SPI requires all key to passed as key-objects
+ CryptoSpi::CKey* iKey;
+private:
+ CRSAPKCS1v15VerifierShim(const CRSAPKCS1v15VerifierShim&);
+ CRSAPKCS1v15VerifierShim& operator=(const CRSAPKCS1v15VerifierShim&);
+ };
+
+#endif // __RSASHIM_H__