sl@0: /*
sl@0: * Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /**
sl@0:  @file 
sl@0:  @publishedAll
sl@0:  @released
sl@0: */
sl@0:  
sl@0: #ifndef __SIGNED_H__
sl@0: #define __SIGNED_H__
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <e32std.h>
sl@0: #include <s32std.h>
sl@0: #include <securitydefs.h>
sl@0: 
sl@0: class CRSAPublicKey;
sl@0: class CDSAPublicKey;
sl@0: class CDSASignature;
sl@0: class CDSAParameters;
sl@0: 
sl@0: /**  Enumerates the identity of the algorithm.
sl@0:  *
sl@0:  */
sl@0: enum TAlgorithmId
sl@0: 	{
sl@0: 	/** An RSA algorithm. */
sl@0: 	ERSA,
sl@0: 	/** A DSA algorithm. */
sl@0: 	EDSA,
sl@0: 	/** A DH algorithm. */
sl@0: 	EDH,
sl@0: 	/** A MD2 algorithm. */
sl@0: 	EMD2,
sl@0: 	/** A MD5 algorithm. */
sl@0: 	EMD5,
sl@0: 	/** A SHA-1 algorithm. */
sl@0: 	ESHA1,
sl@0: 	/** A SHA-224 algorithm. */
sl@0: 	ESHA224,
sl@0: 	/** A SHA-256 algorithm. */
sl@0: 	ESHA256,
sl@0: 	/** A SHA-384 algorithm. */
sl@0: 	ESHA384,
sl@0: 	/** A SHA-512 algorithm. */
sl@0: 	ESHA512
sl@0: 	};
sl@0: 
sl@0: class CValidityPeriod : public CBase
sl@0: /** The period for which the certificate is valid. 
sl@0: * 
sl@0: * @since v6.0 */
sl@0: 	{
sl@0: public:
sl@0: 	/** Tests whether the specified date and time is within the validity period.
sl@0: 	* 
sl@0: 	* @param aTime	The date and time to be tested.
sl@0: 	* @return 		ETrue, if the date and time is within the validity period;
sl@0: 	* 				EFalse, otherwise. */
sl@0: 	IMPORT_C TBool Valid(const TTime& aTime) const;
sl@0: 
sl@0: 	/** Gets the start of the validity period.
sl@0: 	* 
sl@0: 	* @return	The start date and time. */
sl@0: 	IMPORT_C const TTime& Start() const;
sl@0: 
sl@0: 	/** Gets the end of the validity period.
sl@0: 	* 
sl@0: 	* @return	The end date and time. */
sl@0: 	IMPORT_C const TTime& Finish() const;
sl@0: 
sl@0: 	/** Copy constructor.
sl@0: 	* 
sl@0: 	* @param aValidityPeriod	The validity period object to be copied. */
sl@0: 	IMPORT_C CValidityPeriod(const CValidityPeriod& aValidityPeriod);
sl@0: 
sl@0: protected:
sl@0: 	/** Default constructor. */
sl@0: 	IMPORT_C CValidityPeriod();
sl@0: 
sl@0: 	/** The start time of the validity period. */
sl@0: 	TTime iStart;
sl@0: 
sl@0: 	/** The end time of the validity period. */
sl@0: 	TTime iFinish;
sl@0: 	};
sl@0: 
sl@0: class CAlgorithmIdentifier : public CBase
sl@0: /** Contains an algorithm ID and any encoded parameters required by that algorithm.
sl@0: * 
sl@0: * An object of this type creates and owns a heap descriptor to contain the encoded 
sl@0: * parameters. 
sl@0: * 
sl@0: * @since v6.0 */
sl@0: 	{
sl@0: public:
sl@0: 	/** Creates a new algorithm ID object copied from an existing object.	
sl@0: 	* 
sl@0: 	* @param aAlgorithmIdentifier	The algorithm ID object to be copied. 
sl@0: 	* @return 						A pointer to the new algorithm ID object. */
sl@0: 	IMPORT_C static CAlgorithmIdentifier* NewL(const CAlgorithmIdentifier& aAlgorithmIdentifier);
sl@0: 
sl@0: 	/** Creates a new algorithm ID object copied from an existing object, and puts 
sl@0: 	* a pointer to the new object onto the cleanup stack.
sl@0: 	* 
sl@0: 	* @param aAlgorithmIdentifier	The algorithm ID object to be copied. 
sl@0: 	* @return 						A pointer to the new algorithm ID object. */
sl@0: 	IMPORT_C static CAlgorithmIdentifier* NewLC(const CAlgorithmIdentifier& aAlgorithmIdentifier);
sl@0: 
sl@0: 	/** Creates a new algorithm ID object.
sl@0: 	* 
sl@0: 	* @param aAlgorithmId	The algorithm ID.
sl@0: 	* @param aEncodedParams	The encoded parameters.
sl@0: 	* @return 				A pointer to the new algorithm ID object. */
sl@0: 	IMPORT_C static CAlgorithmIdentifier* NewL(TAlgorithmId& aAlgorithmId, const TDesC8& aEncodedParams);
sl@0: 
sl@0: 	/** Creates a new algorithm ID object, and puts a pointer to the new object onto 
sl@0: 	* the cleanup stack.
sl@0: 	* 
sl@0: 	* @param aAlgorithmId	The algorithm ID.
sl@0: 	* @param aEncodedParams	The encoded parameters.
sl@0: 	* @return 				A pointer to the new algorithm ID object. */
sl@0: 	IMPORT_C static CAlgorithmIdentifier* NewLC(TAlgorithmId& aAlgorithmId, const TDesC8& aEncodedParams);
sl@0: 	
sl@0: 	/** Tests whether this algorithm identifier object is equal to the specified algorithm 
sl@0: 	* identifier object. 
sl@0: 	* 
sl@0: 	* @param aAlgorithmIdentifier	The algorithm identifier object to be compared.
sl@0: 	* @return 						ETrue, if this algorithm identifier object is equal to the specified 
sl@0: 	* 								algorithm identifier object; EFalse otherwise. */
sl@0: 	IMPORT_C TBool operator == (const CAlgorithmIdentifier& aAlgorithmIdentifier) const;
sl@0: 	
sl@0: 	/** Gets the algorithm identifier.
sl@0: 	* 
sl@0: 	* @return	The algorithm identifier. */
sl@0: 	IMPORT_C TAlgorithmId Algorithm() const;	//ID for the algorithm
sl@0: 	
sl@0: 	/** Gets the encoded parameters for the algorithm identifier.
sl@0: 	* 
sl@0: 	* Note that this object owns the heap descriptor that owns the encoded parameters.
sl@0: 	* 
sl@0: 	* @return 	The encoded parameters. */
sl@0: 	IMPORT_C TPtrC8 EncodedParams() const;				//the encoded parameters
sl@0: 	
sl@0: 	/** Destructor.
sl@0: 	*
sl@0: 	* Frees all resources owned by the object. */
sl@0: 	IMPORT_C ~CAlgorithmIdentifier();
sl@0: 
sl@0: protected:
sl@0: 	/** Default constructor. */
sl@0: 	IMPORT_C CAlgorithmIdentifier();
sl@0: 
sl@0: 	/** Constructor taking the specified parameters.
sl@0: 	* 
sl@0: 	* @param aAlgorithmId	The algorithm ID. */
sl@0: 	IMPORT_C CAlgorithmIdentifier(TAlgorithmId& aAlgorithmId);
sl@0: 	
sl@0: 	/** Second-phase constructor taking an existing algorithm identifier object.
sl@0: 	* 
sl@0: 	* @param aAlgorithmIdentifier	The algorithm identifier object. */
sl@0: 	IMPORT_C virtual void ConstructL(const CAlgorithmIdentifier& aAlgorithmIdentifier);
sl@0: 	
sl@0: 	/** Second-phase constructor taking encoded parameters.
sl@0: 	* 
sl@0: 	* @param aEncodedParams	The encoded parameters. */
sl@0: 	IMPORT_C virtual void ConstructL(const TDesC8& aEncodedParams);
sl@0: 	
sl@0: 	/** The algorithm ID. */
sl@0: 	TAlgorithmId iAlgorithmId;
sl@0: 	
sl@0: 	/** The encoded parameters for the algorithm ID. */
sl@0: 	HBufC8* iEncodedParams;
sl@0: 	};
sl@0: 
sl@0: class CSigningAlgorithmIdentifier : public CBase
sl@0: /** Contains two CAlgorithmIdentifier objects for comparison purposes.
sl@0: * 
sl@0: * Implements an equality operator. 
sl@0: * 
sl@0: * @since v6.0 */
sl@0: 	{
sl@0: public:
sl@0: 	/** Constructs a new Signing Algorithm Identifier object, copying an existing Signing 
sl@0: 	* Algorithm Identifier object.
sl@0: 	* 
sl@0: 	* @param aSigningAlgorithmIdentifier	The Signing Algorithm Identifier object.
sl@0: 	* @return								The new Signing Algorithm Identifier object. */
sl@0: 	IMPORT_C static CSigningAlgorithmIdentifier* NewL(const CSigningAlgorithmIdentifier& aSigningAlgorithmIdentifier);
sl@0: 	
sl@0: 	/** Constructs a new Signing Algorithm Identifier object, copying an existing Signing 
sl@0: 	* Algorithm Identifier object, and puts a pointer to it onto the cleanup stack.
sl@0: 	* 
sl@0: 	* @param aSigningAlgorithmIdentifier	The Signing Algorithm Identifier object.
sl@0: 	* @return 								The new Signing Algorithm Identifier object. */
sl@0: 	IMPORT_C static CSigningAlgorithmIdentifier* NewLC(const CSigningAlgorithmIdentifier& aSigningAlgorithmIdentifier);
sl@0: 	
sl@0: 	/** Tests whether the Signing Algorithm Identifier object is equal to the specified 
sl@0: 	* Signing Algorithm Identifier object.
sl@0: 	* 
sl@0: 	* @param aSigningAlgorithmIdentifier  The Signing Algorithm Identifier object to be compared.
sl@0: 	* @return 							  ETrue, if this object's Signing Algorithm Identifier value 
sl@0: 	* 									  is equal to the specified Signing Algorithm Identifier 
sl@0: 	*									  object's value; EFalse, otherwise. */
sl@0: 	IMPORT_C TBool operator == (const CSigningAlgorithmIdentifier& aSigningAlgorithmIdentifier) const;
sl@0: 	
sl@0: 	/** Gets the signature ID of the asymmetric algorithm.
sl@0: 	* 
sl@0: 	* @return	The signature ID of the asymmetric algorithm. */
sl@0: 	IMPORT_C const CAlgorithmIdentifier& AsymmetricAlgorithm() const;
sl@0: 	
sl@0: 	/** Gets the signature ID of the digest algorithm.
sl@0: 	* 
sl@0: 	* @return	The signature ID of the digest algorithm. */
sl@0: 	IMPORT_C const CAlgorithmIdentifier& DigestAlgorithm() const;
sl@0: 	
sl@0: 	/** Destructor.
sl@0: 	* 
sl@0: 	* Frees all resources owned by the object, prior to its destruction. */
sl@0: 	IMPORT_C ~CSigningAlgorithmIdentifier();
sl@0: 
sl@0: protected:
sl@0: 	/** Second-phase constructor.
sl@0: 	 * @internalAll
sl@0: 	 */
sl@0: 	void ConstructL(const CSigningAlgorithmIdentifier& aSigningAlgorithmIdentifier);
sl@0: 	
sl@0: 	/** The signature ID of the asymmetric algorithm. */
sl@0: 	CAlgorithmIdentifier* iAsymmetricAlgorithm;
sl@0: 
sl@0: 	/** The signature ID of the digest algorithm. */
sl@0: 	CAlgorithmIdentifier* iDigestAlgorithm;
sl@0: 	};
sl@0: 
sl@0: class CSubjectPublicKeyInfo : public CBase
sl@0: /** A base class for a container that holds information about a subject public key.
sl@0: * 
sl@0: * It contains the algorithm ID, the encoded public key and the encoded parameters. 
sl@0: * 
sl@0: * @since v6.0 
sl@0: */
sl@0: //algorithm ID + encoded public key + encoded parameters
sl@0: 	{
sl@0: public:
sl@0: 	/** Creates a new subject public key object copied from an existing object.	
sl@0: 	* 
sl@0: 	* @param aSubjectPublicKeyInfo 	The subject public key object to be copied.
sl@0: 	* @return 						A pointer to the new public key object. */
sl@0: 	IMPORT_C static CSubjectPublicKeyInfo* NewL(const CSubjectPublicKeyInfo& aSubjectPublicKeyInfo);
sl@0: 	
sl@0: 	/** Creates a new subject public key object copied from an existing object and 
sl@0: 	* puts a pointer to the new object onto the cleanup stack.	
sl@0: 	* 
sl@0: 	* @param aSubjectPublicKeyInfo 	The subject public key object to be copied.
sl@0: 	* @return 						A pointer to the new public key object. */
sl@0: 	IMPORT_C static CSubjectPublicKeyInfo* NewLC(const CSubjectPublicKeyInfo& aSubjectPublicKeyInfo);
sl@0: 	
sl@0: 	/** Gets the algorithm ID.
sl@0: 	* 
sl@0: 	* @return	The algorithm ID. */
sl@0: 	IMPORT_C TAlgorithmId AlgorithmId() const;
sl@0: 	
sl@0: 	/** Gets the encoded parameters required by the algorithm.	
sl@0: 	* 
sl@0: 	* @return	A non-modifiable pointer descriptor representing the encoded parameters. */
sl@0: 	IMPORT_C const TPtrC8 EncodedParams() const;
sl@0: 	
sl@0: 	/** Gets the encoded public key data.
sl@0: 	* 
sl@0: 	* @return 	A non-modifiable pointer descriptor representing the encoded public 
sl@0: 	* 			key data. */
sl@0: 	IMPORT_C const TPtrC8 KeyData() const;
sl@0: 	
sl@0: 	/** Destructor.
sl@0: 	*
sl@0: 	* Frees all resources owned by the object. */
sl@0: 	IMPORT_C ~CSubjectPublicKeyInfo();
sl@0: protected:
sl@0: 	/** Second-phase constructor.
sl@0: 	* 
sl@0: 	* @param aSubjectPublicKeyInfo	The subject public key object to be copied. */
sl@0: 	IMPORT_C virtual void ConstructL(const CSubjectPublicKeyInfo& aSubjectPublicKeyInfo);
sl@0: 	
sl@0: 	/** The algorithm ID. */
sl@0: 	CAlgorithmIdentifier* iAlgId;
sl@0: 	
sl@0: 	/** A heap descriptor representing the encoded key data. */
sl@0: 	HBufC8* iEncodedKeyData;
sl@0: 	};
sl@0: 
sl@0: class CRSASignatureResult : public CBase
sl@0: /** The RSA public key algorithm signature result.
sl@0: * 
sl@0: * Derived classes:
sl@0: * @li CWTLSRSASignatureResult
sl@0: * @li CPKCS1SignatureResult.
sl@0: *
sl@0: * @see TKeyFactory::RSASignatureResultL()
sl@0: *
sl@0: * @since v6.0 */
sl@0: 	{
sl@0: public:
sl@0: 	/** Tests whether the signature result is valid.
sl@0: 	* 
sl@0: 	* @param aResult	The signature result.
sl@0: 	* @return			ETrue if the signature result is valid, otherwise EFalse. */
sl@0: 	IMPORT_C virtual TBool VerifyL(const TDesC8& aResult) = 0;
sl@0: 	
sl@0: 	/** Destructor.
sl@0: 	*
sl@0: 	* Frees all resources owned by the object. */
sl@0: 	IMPORT_C ~CRSASignatureResult();
sl@0: protected:
sl@0: 	/** Compares this RSA Signature Result object with the specified RSA Signature 
sl@0: 	* Result object for equality.
sl@0: 	*
sl@0: 	* @param aResult 	The RSA Signature Result object to be compared.
sl@0: 	* @return 			ETrue, if they are the same; EFalse, otherwise. */
sl@0: 	IMPORT_C TBool operator == (const CRSASignatureResult& aResult) const;
sl@0: 	
sl@0: 	/** The digest algorithm ID. */
sl@0: 	CAlgorithmIdentifier* iDigestAlgorithm;
sl@0: 	
sl@0: 	/** A heap descriptor representing the digest algorithm. */
sl@0: 	HBufC8* iDigest;
sl@0: 	};
sl@0: 
sl@0: //signed object
sl@0: class TKeyFactory
sl@0: /** Constructs the public key objects used for signature verification from their 
sl@0: * encoded binary form. 
sl@0: * 
sl@0: * @since v6.0 */
sl@0: 	{
sl@0: public:
sl@0: 	/** Gets the RSA public key.
sl@0: 	* 
sl@0: 	* @param aEncoding 	A non-modifiable descriptor representing the entire encoding.
sl@0: 	* @return 			The RSA Public key. */
sl@0: 	virtual CRSAPublicKey* RSAPublicKeyL(const TDesC8& aEncoding) const = 0;
sl@0: 	
sl@0: 	/** Gets the RSA signature result.
sl@0: 	* 
sl@0: 	* @param aDigestAlgorithm 	The algorithm ID.
sl@0: 	* @param aDigest 			A non-modifiable descriptor representing the digest algorithm.
sl@0: 	* @return 					The RSA signature result. */
sl@0: 	virtual CRSASignatureResult* RSASignatureResultL(const CAlgorithmIdentifier& aDigestAlgorithm, TDesC8& aDigest) const = 0;
sl@0: 	
sl@0: 	/** Gets the DSA public key.
sl@0: 	* 
sl@0: 	* @param aParams 	The DSA parameters
sl@0: 	* @param aEncoding 	A non-modifiable descriptor representing the entire encoding.
sl@0: 	* @return 			The DSA public key. */
sl@0: 	virtual CDSAPublicKey* DSAPublicKeyL(const CDSAParameters& aParams, const TDesC8& aEncoding) const = 0;
sl@0: 	
sl@0: 	/** Gets the digital DSA signature given an encoding key.
sl@0: 	* 
sl@0: 	* @param aEncoding 	A non-modifiable descriptor representing the entire encoding.
sl@0: 	* @return 			The DSA signature. */
sl@0: 	virtual CDSASignature* DSASignatureL(const TDesC8& aEncoding) const = 0;
sl@0: 	
sl@0: 	/** Gets the DSA parameters.
sl@0: 	* 
sl@0: 	* @param aEncoding 	A non-modifiable descriptor representing the entire encoding.
sl@0: 	* @return 			The DSA parameters. */
sl@0: 	virtual CDSAParameters* DSAParametersL(const TDesC8& aEncoding) const = 0;
sl@0: 	//	New function for TKeyFactory API
sl@0: 	virtual CDSAPublicKey* DSAPublicKeyL(const TDesC8& aParamsEncoding, const TDesC8& aEncoding) const = 0;
sl@0: 	};
sl@0: 
sl@0: class CSigningKeyParameters : public CBase
sl@0: /** Contains the parameter information required by some signing algorithms.
sl@0: * 
sl@0: * The DSA signing algorithm needs parameters as well as a key. Currently, this 
sl@0: * class only contains DSA parameters. 
sl@0: * 
sl@0: * @since v6.0 */
sl@0: 	{
sl@0: public:
sl@0: 	/** Creates a new signing key parameters object.
sl@0: 	* 
sl@0: 	* @return	A pointer to the new signing key parameters object. */
sl@0: 	IMPORT_C static CSigningKeyParameters* NewL();
sl@0: 	
sl@0: 	/** Creates a new signing key parameters object and puts a pointer to the new object 
sl@0: 	* onto the cleanup stack.
sl@0: 	* 
sl@0: 	* @return	A pointer to the new signing key parameters object. */
sl@0: 	IMPORT_C static CSigningKeyParameters* NewLC();
sl@0: 	
sl@0: 	/** Creates a new signing key parameters object copied from an existing object.
sl@0: 	* 
sl@0: 	* @param aParameters 	The signing key parameters object to be copied.
sl@0: 	* @return 				A pointer to the new parameters object. */
sl@0: 	IMPORT_C static CSigningKeyParameters* NewL(const CSigningKeyParameters& aParameters);
sl@0: 	
sl@0: 	/** Creates a new signing key parameters object copied from an existing object 
sl@0: 	* and puts a pointer to the new object onto the cleanup stack.
sl@0: 	* 
sl@0: 	* @param aParameters  The signing key parameters object to be copied.
sl@0: 	* @return 			  A pointer to the new signing key parameters object. */
sl@0: 	IMPORT_C static CSigningKeyParameters* NewLC(const CSigningKeyParameters& aParameters);
sl@0: 	
sl@0: 	/** Destructor.
sl@0: 	* 
sl@0: 	* Frees all resources owned by the object. */
sl@0: 	IMPORT_C ~CSigningKeyParameters();
sl@0: 	
sl@0: 	/** Sets the DSA parameters.
sl@0: 	* 
sl@0: 	* @param aParams	The DSA parameters. */
sl@0: 	IMPORT_C void SetDSAParamsL(const CDSAParameters& aParams);
sl@0: 	
sl@0: 	/** Gets the DSA parameters.
sl@0: 	* 
sl@0: 	* @return	The DSA parameters. 
sl@0: 	* @internalAll
sl@0: 	*/
sl@0: 	const CDSAParameters* DSAParams() const;
sl@0: private:
sl@0: 	CSigningKeyParameters();
sl@0: 	void ConstructL(const CSigningKeyParameters& aParameters);
sl@0: 	CDSAParameters* iDSAParams;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: class CSignedObject : public CBase
sl@0: /** Base class for certificates. 
sl@0: * 
sl@0: * @since v6.0 */
sl@0: 	{
sl@0: public:	
sl@0: 	/** Verifies a signature using the specified encoded key.
sl@0: 	* 
sl@0: 	* @param aEncodedKey 	The encoded key. 
sl@0: 	* @return 				ETrue if the signature is valid, otherwise EFalse. */
sl@0: 	IMPORT_C TBool VerifySignatureL(const TDesC8& aEncodedKey) const;
sl@0: 	
sl@0: 	/** Verifies a signature using the specified encoded key and hash.
sl@0: 	* 
sl@0: 	* @param aEncodedKey 	The encoded key. 
sl@0: 	* @param aHash			The hash of the data to be validated.
sl@0: 	* @return 				ETrue if the signature is valid, otherwise EFalse. */
sl@0: 	IMPORT_C TBool VerifySignatureL(const TDesC8& aEncodedKey, const TDesC8& aHash) const;	
sl@0: 	
sl@0: 	/** Gets the digital signature.
sl@0: 	* 
sl@0: 	* @return	A non-modifiable pointer descriptor representing the digital signature. */
sl@0: 	IMPORT_C const TPtrC8 Signature() const;
sl@0: 	
sl@0: 	/** Gets the signed data.
sl@0: 	* 
sl@0: 	* @return	A non-modifiable pointer descriptor representing the signed data. */
sl@0: 	IMPORT_C virtual const TPtrC8 SignedDataL() const = 0;
sl@0: 	
sl@0: 	/** Gets the fingerprint.
sl@0: 	* 
sl@0: 	* The fingerprint returned is the SHA1 hash of the encoding of the entire object.
sl@0: 	* 
sl@0: 	* @return	A non-modifiable pointer descriptor representing the finger print. */
sl@0: 	IMPORT_C const TPtrC8 Fingerprint() const;
sl@0: 	
sl@0: 	/** Gets the entire encoding.
sl@0: 	* 
sl@0: 	* @return	A non-modifiable pointer descriptor representing the entire encoding. */
sl@0: 	IMPORT_C const TPtrC8 Encoding() const;
sl@0: 	
sl@0: 	/** Gets the signing algorithm ID used.
sl@0: 	* 
sl@0: 	* @return	The signing algorithm ID. */
sl@0: 	IMPORT_C const CSigningAlgorithmIdentifier& SigningAlgorithm() const;
sl@0: 	
sl@0: 	/** Externalises the encoding of the entire object to a write stream.
sl@0: 	* 
sl@0: 	* The fingerprint and the signed data can be regenerated after restoration.
sl@0: 	* 
sl@0: 	* The presence of this function means that the standard templated operator<<() 
sl@0: 	* can be used to externalise objects of this class.
sl@0: 	* 
sl@0: 	* @param aStream	Stream to which the object should be externalised. */
sl@0: 	IMPORT_C virtual void ExternalizeL(RWriteStream& aStream) const;
sl@0: 	
sl@0: 	/** Internalises the encoded object from a read stream.
sl@0: 	
sl@0: 	* The class makes use of a specification-specific parser class for extracting 
sl@0: 	* the various elements, that is provided by a subclass of CSignedObject. For 
sl@0: 	* this reason this function is pure virtual.
sl@0: 	* 
sl@0: 	* The presence of this function means that the standard templated operator>>() 
sl@0: 	* can be used to internalise objects of this class.
sl@0: 	* 
sl@0: 	* @param aStream	Stream from which the contents of the field should be internalised. */
sl@0: 	IMPORT_C virtual void InternalizeL(RReadStream& aStream) = 0;
sl@0: 	
sl@0: 	/** Sets the signing key parameters.
sl@0: 	* 
sl@0: 	* @param aParameters	The signing key parameters. */
sl@0: 	IMPORT_C void SetParametersL(const CSigningKeyParameters& aParameters);
sl@0: 	
sl@0: 	/** Gets the encoded data for the specified encoded data element, in the (to be 
sl@0: 	* signed) tbsCertificate data structure, of the signed object.
sl@0: 	* 
sl@0: 	* @param aIndex	The encoded data element position in the tbsCertificate data 
sl@0: 	* 				structure. See the enumeration: CX509Certificate::Anonymous.
sl@0: 	* @return 		The encoded data for the specified data element of the signed object. */
sl@0: 	IMPORT_C virtual const TPtrC8* DataElementEncoding(const TUint aIndex) const = 0;
sl@0: 	
sl@0: 	/** Destructor.
sl@0: 	* 
sl@0: 	* Frees all resources owned by the object. */
sl@0: 	IMPORT_C ~CSignedObject();
sl@0: 
sl@0: protected:
sl@0: 	/** Verifies a RSA signature using the specified encoded key.
sl@0: 	* 
sl@0: 	* @param aEncodedKey 	The encoded key. 
sl@0: 	* @return 				ETrue if the signature is valid, otherwise EFalse. 
sl@0: 	* @internalAll
sl@0: 	*/
sl@0: 	TBool VerifyRSASignatureL(const TDesC8& aEncodedKey) const;
sl@0: 	
sl@0: 	/** @internalAll */	
sl@0: 	TBool VerifyRSASignatureL(const TDesC8& aEncodedKey, const TDesC8& aHash) const;
sl@0: 	
sl@0: 	/** A pointer to a key factory object. */
sl@0: 	TKeyFactory* iKeyFactory;
sl@0: 	
sl@0: 	/** A heap descriptor representing the entire encoding. */
sl@0: 	HBufC8* iEncoding;
sl@0: 	
sl@0: 	/** The digital signature. */
sl@0: 	HBufC8* iSignature;
sl@0: 	
sl@0: 	/** The fingerprint.
sl@0: 	* 
sl@0: 	* The SHA1 hash of the encoding of the entire object. */
sl@0: 	HBufC8* iFingerprint;
sl@0: 	
sl@0: 	/** The signing key parameters */
sl@0: 	CSigningKeyParameters* iParameters;
sl@0: 	
sl@0: 	/** The signing algorithm ID. */
sl@0: 	CSigningAlgorithmIdentifier* iSigningAlgorithm;
sl@0: 	};
sl@0: 
sl@0: class CCertificate : public CSignedObject
sl@0: /** A data structure that binds a public key to a given individual.
sl@0: * 
sl@0: * A certificate is a signed object, and adds a serial number, a validity period 
sl@0: * and a subject public key.
sl@0: * 
sl@0: * This is a base class for classes that implement certificates of particular types. 
sl@0: * 
sl@0: * @since v6.0 */
sl@0: 	{
sl@0: public:
sl@0: 	/** Destructor.
sl@0: 	* 
sl@0: 	* Frees all resources owned by the object. */
sl@0: 	IMPORT_C ~CCertificate();
sl@0: 	
sl@0: 	/** Gets the subject public key information.
sl@0: 	* 
sl@0: 	* @return	The subject public key information. */
sl@0: 	IMPORT_C const CSubjectPublicKeyInfo& PublicKey() const;
sl@0: 	
sl@0: 	/** Gets the serial number.
sl@0: 	* 
sl@0: 	* @return	A non-modifiable pointer descriptor representing the serial number. */
sl@0: 	IMPORT_C const TPtrC8 SerialNumber() const;
sl@0: 	
sl@0: 	/** Gets the validity period.
sl@0: 	* 
sl@0: 	* @return	The validity period. */
sl@0: 	IMPORT_C const CValidityPeriod& ValidityPeriod() const;
sl@0: 	
sl@0: 	/** Tests whether a certificate is self-signed.
sl@0: 	* 
sl@0: 	* @return	ETrue, if it is self-signed; EFalse, otherwise. */
sl@0: 	IMPORT_C virtual TBool IsSelfSignedL() const = 0;
sl@0: 	
sl@0: 	/** Gets the subject.
sl@0: 	* 
sl@0: 	* @return	A heap descriptor representing the subject. */
sl@0: 	IMPORT_C virtual HBufC* SubjectL() const = 0;
sl@0: 	
sl@0: 	/** Gets the issuer.
sl@0: 	* 
sl@0: 	* @return	A heap descriptor representing the issuer. */
sl@0: 	IMPORT_C virtual HBufC* IssuerL() const = 0;
sl@0: 	
sl@0: 	/** Gets the key identifier.
sl@0: 	* 
sl@0: 	* @return	The key identifier. */
sl@0: 	IMPORT_C virtual TKeyIdentifier KeyIdentifierL() const;
sl@0: 
sl@0: protected:
sl@0: 	/** The serial number. */
sl@0: 	HBufC8* iSerialNumber;
sl@0: 
sl@0: 	/** The validity period. */
sl@0: 	CValidityPeriod* iValidityPeriod;
sl@0: 
sl@0: 	/** The subject public key information. */
sl@0: 	CSubjectPublicKeyInfo* iSubjectPublicKeyInfo;
sl@0: 	};
sl@0: 
sl@0: #endif