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cryptoservices/certificateandkeymgmt/inc/cmssignerinfo.h
changeset 8 35751d3474b7
parent 0 2c201484c85f 
--- a/cryptoservices/certificateandkeymgmt/inc/cmssignerinfo.h	Tue Jul 21 01:04:32 2009 +0100
+++ b/cryptoservices/certificateandkeymgmt/inc/cmssignerinfo.h	Thu Sep 10 14:01:51 2009 +0300
@@ -1,345 +1,363 @@
-/*
-* 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: 
-*
-*/
-
-
-
-
-/**
- @file
- @publishedPartner
- @released
-*/
-
-#ifndef CMSSIGNERINFO_H
-#define CMSSIGNERINFO_H
-
-#include <e32base.h>
-
-class CX509AlgorithmIdentifier;
-class CPKCS7IssuerAndSerialNumber;
-class CCmsSignerIdentifier;
-class CASN1EncSequence;
-class CX509Certificate;
-class CDSAPrivateKey;
-class CRSAPrivateKey;
-class CMessageDigest;
-class CASN1EncOctetString;
-class CASN1EncBase;
-
-
-/**
-Represents CMS signer information as defined in RFC2630.
-SignedAttributes and UnsignedAttributes are not supported.
-*/
-class CCmsSignerInfo : public CBase
-	{
-public:
-
-	/**
-	@internalComponent
-	
-	Creates a CMS signer info object as defined in RFC2630.
-	@param aDataToBeSigned The data content or its hash to be signed.
-	@param aIsHash Indicates whether the first parameter is a hash.
-	@param aKey The DSA private key used to sign.
-	@param aSignerIdentifier The signer identifier. Ownership of
-		the signer identifier is taken by this newly created signer info object.
-		If construction fails, ownership is not transferred. The user
-		needs to push aSignerIdentifier onto the cleanup stack before calling this
-		method, and pop it off the cleanup stack after successful construction.
-	@param aDigestAlgorithm	The digest algorithm used to create the hash.
-		Ownership of the digest algorithm instance is taken by
-		this newly created signer info object. If construction fails, ownership
-		is not transferred. The user needs to push aDigestAlgorithm onto the cleanup stack before
-		calling this method and pop it off the cleanup stack after successful construction.
-	@param aSignatureAlgorithm The signature algorithm to create the signature.
-		Ownership of the signature algorithm instance is taken by this
-		newly created signer info object. If construction fails, ownership is not transferred.
-		The user needs to push aDigestAlgorithm onto the cleanup stack before calling this
-		method and pop it off the cleanup stack after successful construction.
-	@return	The fully constructed object.
-	*/
-	static CCmsSignerInfo* NewL(const TDesC8& aDataToBeSigned,
-								TBool aIsHash,
-								const CDSAPrivateKey& aKey,
-								CCmsSignerIdentifier* aSignerIdentifier,
-								CX509AlgorithmIdentifier* aDigestAlgorithm,
-								CX509AlgorithmIdentifier* aSignatureAlgorithm);
-	/**
-	@internalComponent
-	
-	Creates a CMS signer info object as defined in RFC2630
-	and leaves it on the cleanup stack.
-	@param aDataToBeSigned The data content or its hash to be signed.
-	@param aIsHash Indicates whether the first parameter is a hash.
-	@param aKey The DSA private key used to sign.
-	@param aSignerIdentifier The signer identifier. Ownership of
-		the signer identifier is taken by this newly created signer info object.
-		If construction fails, ownership is not transferred. The user
-		needs to push aSignerIdentifier onto the cleanup stack before calling this
-		method, and pop it off the cleanup stack after successful construction.
-	@param aDigestAlgorithm	The digest algorithm used to create the hash.
-		Ownership of the digest algorithm instance is taken by
-		this newly created signer info object. If construction fails, ownership
-		is not transferred. The user needs to push aDigestAlgorithm onto the cleanup stack before
-		calling this method and pop it off the cleanup stack after successful construction.
-	@param aSignatureAlgorithm The signature algorithm to create the signature.
-		Ownership of the signature algorithm instance is taken by this
-		newly created signer info object. If construction fails, ownership is not transferred.
-		The user needs to push aDigestAlgorithm onto the cleanup stack before calling this
-		method and pop it off the cleanup stack after successful construction.
-	@return	The fully constructed object.
-	*/
-	static CCmsSignerInfo* NewLC(const TDesC8& aDataToBeSigned,
-								TBool aIsHash,
-								const CDSAPrivateKey& aKey,
-								CCmsSignerIdentifier* aSignerIdentifier,
-								CX509AlgorithmIdentifier* aDigestAlgorithm,
-								CX509AlgorithmIdentifier* aSignatureAlgorithm);
-	/**
-	@internalComponent
-	
-	Creates a CMS signer info object as defined in RFC2630.
-	@param aDataToBeSigned The data content or its hash to be signed.
-	@param aIsHash Indicates whether the first parameter is a hash.
-	@param aKey The RSA private key used to sign.
-	@param aSignerIdentifier The signer identifier. Ownership of
-		the signer identifier is taken by this newly created signer info object.
-		If construction fails, ownership is not transferred. The user
-		needs to push aSignerIdentifier onto the cleanup stack before calling this
-		method, and pop it off the cleanup stack after successful construction.
-	@param aDigestAlgorithm	The digest algorithm used to create the hash.
-		Ownership of the digest algorithm instance is taken by
-		this newly created signer info object. If construction fails, ownership
-		is not transferred. The user needs to push aDigestAlgorithm onto the cleanup stack before
-		calling this method and pop it off the cleanup stack after successful construction.
-	@param aSignatureAlgorithm The signature algorithm to create the signature.
-		Ownership of the signature algorithm instance is taken by this
-		newly created signer info object. If construction fails, ownership is not transferred.
-		The user needs to push aDigestAlgorithm onto the cleanup stack before calling this
-		method and pop it off the cleanup stack after successful construction.
-	@return	The fully constructed object.
-	*/
-	static CCmsSignerInfo* NewL(const TDesC8& aDataToBeSigned,
-								TBool aIsHash,
-								const CRSAPrivateKey& aKey,
-								CCmsSignerIdentifier* aSignerIdentifier,
-								CX509AlgorithmIdentifier* aDigestAlgorithm,
-								CX509AlgorithmIdentifier* aSignatureAlgorithm);
-	/**
-	@internalComponent
-	
-	Creates a CMS signer info object as defined in RFC2630
-	and leaves it on the cleanup stack.
-	@param aDataToBeSigned The data content or its hash to be signed.
-	@param aIsHash Indicates whether the first parameter is a hash.
-	@param aKey The RSA private key used to sign.
-	@param aSignerIdentifier The signer identifier. Ownership of
-		the signer identifier is taken by this newly created signer info object.
-		If construction fails, ownership is not transferred. The user
-		needs to push aSignerIdentifier onto the cleanup stack before calling this
-		method, and pop it off the cleanup stack after successful construction.
-	@param aDigestAlgorithm	The digest algorithm used to create the hash.
-		Ownership of the digest algorithm instance is taken by
-		this newly created signer info object. If construction fails, ownership
-		is not transferred. The user needs to push aDigestAlgorithm onto the cleanup stack before
-		calling this method and pop it off the cleanup stack after successful construction.
-	@param aSignatureAlgorithm The signature algorithm to create the signature.
-		Ownership of the signature algorithm instance is taken by this
-		newly created signer info object. If construction fails, ownership is not transferred.
-		The user needs to push aDigestAlgorithm onto the cleanup stack before calling this
-		method and pop it off the cleanup stack after successful construction.
-	@return	The fully constructed object.
-	*/										
-	static CCmsSignerInfo* NewLC(const TDesC8& aDataToBeSigned,
-								TBool aIsHash,
-								const CRSAPrivateKey& aKey,
-								CCmsSignerIdentifier* aSignerIdentifier,
-								CX509AlgorithmIdentifier* aDigestAlgorithm,
-								CX509AlgorithmIdentifier* aSignatureAlgorithm);
-								
-	/**
-	@internalComponent
-	
-	Creates a CMS signer info object as defined in RFC2630.
-	@param aRawData the encoded signer info.
-	@return	The fully constructed object.
-	*/
-	static CCmsSignerInfo* NewL(const TDesC8& aRawData);
-
-	/**
-	@internalComponent
-	
-	Creates a CMS signer info object as defined in RFC2630
-	and leaves it on the cleanup stack.
-	@param aRawData The encoded signer info.
-	@return	The fully constructed object.
-	*/
-	static CCmsSignerInfo* NewLC(const TDesC8& aRawData);	
-	virtual ~CCmsSignerInfo();
-
-	/**
-	Returns the version of the CMS signer info object.
-	@return	The version of the CMS signer info object.
-	*/
-	IMPORT_C TInt Version() const;
-	
-	/**
-	Returns	whether signed attributes are present or not.
-	@return Boolean indicating whether signed attributes are present or not.
-	*/
-	IMPORT_C TBool IsSignedAttributesPresent() const;
-
-	/**
-	Returns	whether unsigned attributes are present or not.
-	@return Boolean indicating whether unsigned attributes are present or not.
-	*/
-	IMPORT_C TBool IsUnsignedAttributesPresent() const;	
-	
-	/**
-	Returns the digest algorithm identifier.
-	@return The digest algorithm identifier reference.
-	*/
-	IMPORT_C const CX509AlgorithmIdentifier& DigestAlgorithm() const;
-
-	/**
-	Returns the signature algorithm identifier.
-	@return The signature algorithm identifier reference.
-	*/			
-	IMPORT_C const CX509AlgorithmIdentifier& SignatureAlgorithm() const;
-	
-	/**
-	Returns the signature value.
-	@return The signature value.
-	*/
-	IMPORT_C const TPtrC8 SignatureValue() const;
-
-	/**
-	Returns the signer identifier.
-	@return the signer identifier reference.
-	*/
-	IMPORT_C const CCmsSignerIdentifier& SignerIdentifier() const;
-
-	/**
-	@internalComponent
-
-	Creates the ASN.1 sequence of this CMS signed object and leaves it on the cleanup stack.
-	@return  ASN.1 sequence of this object.
-	*/
-	CASN1EncSequence* EncodeASN1DERLC() const;	
-	
-private:
-	/**
-	Constructor.
-	*/
-	CCmsSignerInfo();
-	
-
-private:
-	/**
-	second phase constructor
-	@param aDataToBeSigned the data or its hash
-	@param aIsHash a flag to represent if the first paramter is hash or data content
-	@param aKey the DSA private key used to create the signature.
-	@param aSignerIdentifier the signer identifier.
-	@param aDigestAlgorithm	the digest algorithm used to create hash.
-	@param aSignatureAlgorithm	the signature alogorithm to create signature
-	*/
-	void ConstructL(const TDesC8& aDataToBeSigned, 
-					TBool aIsHash, 
-					const CDSAPrivateKey& aKey,					
-					CCmsSignerIdentifier* aSignerIdentifier,
-					CX509AlgorithmIdentifier* aDigestAlgorithm,
-					CX509AlgorithmIdentifier* aSignatureAlgorithm);
-
-	/**
-	second phase constructor
-	@param aDataToBeSigned the data or its hash
-	@param aIsHash a flag to represent if the first paramter is hash or data content
-	@param aKey the RSA private key used to create the signature.
-	@param aSignerIdentifier the signer identifier.
-	@param aDigestAlgorithm	the digest algorithm used to create hash.
-	@param aSignatureAlgorithm	the signature alogorithm to create signature.	
-	*/	
-	void ConstructL(const TDesC8& aDataToBeSigned, 
-					TBool aIsHash, 
-					const CRSAPrivateKey& aKey,
-					CCmsSignerIdentifier* aSignerIdentifier,
-					CX509AlgorithmIdentifier* aDigestAlgorithm,
-					CX509AlgorithmIdentifier* aSignatureAlgorithm);
-	
-	/**
-	Second phase constructor
-	@param aRawData the encoded the CMS content info
-	*/		
-	void ConstructL(const TDesC8& aRawData);
-	
-	/**
-	Encode the signer identifier
-	@return encoding of the signer identifier
-	*/			
-	CASN1EncBase* EncodeSignerIdentifierLC() const;
-	
-	/**
-	Decode the signature
-	@param aRawData the encoded signature
-	*/
-	void DecodeEncryptedDigestL(const TDesC8& aRawData);
-	
-	/**
-	Decode the signer identifier
-	@param aRawData the encoded signer identifier
-	*/	
-	void DecodeSignerIdentifierL(const TDesC8& aRawData);
-	
-private:
-	/**
-	Represents if the Signed Attribute is present
-	*/
-	TBool iSignedAttributesPresent;
-	
-	/**
-	Represents if the Unsigned Attribute is present
-	*/	
-	TBool iUnsignedAttributesPresent;
-	
-	/**
-	The version of the signer info
-	*/
-	TInt iVersion;
-	
-	/**
-	the signer identifier
-	*/
-	CCmsSignerIdentifier* iSignerIdentifier;
-	
-	/**
-	The digest algorithm identifier
-	*/
-	CX509AlgorithmIdentifier* iDigestAlgorithm;
-	/**
-	The signature algorithm identifier
-	*/	
-	CX509AlgorithmIdentifier* iSignatureAlgorithm;
-		
-	/**
-	the signature value
-	*/
-	HBufC8* iSignatureValue;
-	};
-
-#endif
+/*
+* 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: 
+*
+*/
+
+
+/**
+ @file
+ @publishedPartner
+ @released
+*/
+
+#ifndef CMSSIGNERINFO_H
+#define CMSSIGNERINFO_H
+
+#include <e32base.h>
+
+class CX509AlgorithmIdentifier;
+class CPKCS7IssuerAndSerialNumber;
+class CCmsSignerIdentifier;
+class CASN1EncSequence;
+class CX509Certificate;
+class CDSAPrivateKey;
+class CRSAPrivateKey;
+class CMessageDigest;
+class CASN1EncOctetString;
+class CASN1EncBase;
+
+
+/**
+Represents CMS signer information as defined in RFC2630.
+SignedAttributes and UnsignedAttributes are not supported.
+*/
+class CCmsSignerInfo : public CBase
+	{
+public:
+
+	/**
+	@internalComponent
+	
+	Creates a CMS signer info object as defined in RFC2630.
+	@param aDataToBeSigned The data content or its hash to be signed.
+	@param aIsHash Indicates whether the first parameter is a hash.
+	@param aKey The DSA private key used to sign.
+	@param aSignerIdentifier The signer identifier. Ownership of
+		the signer identifier is taken by this newly created signer info object.
+		If construction fails, ownership is not transferred. The user
+		needs to push aSignerIdentifier onto the cleanup stack before calling this
+		method, and pop it off the cleanup stack after successful construction.
+	@param aDigestAlgorithm	The digest algorithm used to create the hash.
+		Ownership of the digest algorithm instance is taken by
+		this newly created signer info object. If construction fails, ownership
+		is not transferred. The user needs to push aDigestAlgorithm onto the cleanup stack before
+		calling this method and pop it off the cleanup stack after successful construction.
+	@param aSignatureAlgorithm The signature algorithm to create the signature.
+		Ownership of the signature algorithm instance is taken by this
+		newly created signer info object. If construction fails, ownership is not transferred.
+		The user needs to push aDigestAlgorithm onto the cleanup stack before calling this
+		method and pop it off the cleanup stack after successful construction.
+	@return	The fully constructed object.
+	*/
+	static CCmsSignerInfo* NewL(const TDesC8& aDataToBeSigned,
+								TBool aIsHash,
+								const CDSAPrivateKey& aKey,
+								CCmsSignerIdentifier* aSignerIdentifier,
+								CX509AlgorithmIdentifier* aDigestAlgorithm,
+								CX509AlgorithmIdentifier* aSignatureAlgorithm);
+	/**
+	@internalComponent
+	
+	Creates a CMS signer info object as defined in RFC2630
+	and leaves it on the cleanup stack.
+	@param aDataToBeSigned The data content or its hash to be signed.
+	@param aIsHash Indicates whether the first parameter is a hash.
+	@param aKey The DSA private key used to sign.
+	@param aSignerIdentifier The signer identifier. Ownership of
+		the signer identifier is taken by this newly created signer info object.
+		If construction fails, ownership is not transferred. The user
+		needs to push aSignerIdentifier onto the cleanup stack before calling this
+		method, and pop it off the cleanup stack after successful construction.
+	@param aDigestAlgorithm	The digest algorithm used to create the hash.
+		Ownership of the digest algorithm instance is taken by
+		this newly created signer info object. If construction fails, ownership
+		is not transferred. The user needs to push aDigestAlgorithm onto the cleanup stack before
+		calling this method and pop it off the cleanup stack after successful construction.
+	@param aSignatureAlgorithm The signature algorithm to create the signature.
+		Ownership of the signature algorithm instance is taken by this
+		newly created signer info object. If construction fails, ownership is not transferred.
+		The user needs to push aDigestAlgorithm onto the cleanup stack before calling this
+		method and pop it off the cleanup stack after successful construction.
+	@return	The fully constructed object.
+	*/
+	static CCmsSignerInfo* NewLC(const TDesC8& aDataToBeSigned,
+								TBool aIsHash,
+								const CDSAPrivateKey& aKey,
+								CCmsSignerIdentifier* aSignerIdentifier,
+								CX509AlgorithmIdentifier* aDigestAlgorithm,
+								CX509AlgorithmIdentifier* aSignatureAlgorithm);
+	/**
+	@internalComponent
+	
+	Creates a CMS signer info object as defined in RFC2630.
+	@param aDataToBeSigned The data content or its hash to be signed.
+	@param aIsHash Indicates whether the first parameter is a hash.
+	@param aKey The RSA private key used to sign.
+	@param aSignerIdentifier The signer identifier. Ownership of
+		the signer identifier is taken by this newly created signer info object.
+		If construction fails, ownership is not transferred. The user
+		needs to push aSignerIdentifier onto the cleanup stack before calling this
+		method, and pop it off the cleanup stack after successful construction.
+	@param aDigestAlgorithm	The digest algorithm used to create the hash.
+		Ownership of the digest algorithm instance is taken by
+		this newly created signer info object. If construction fails, ownership
+		is not transferred. The user needs to push aDigestAlgorithm onto the cleanup stack before
+		calling this method and pop it off the cleanup stack after successful construction.
+	@param aSignatureAlgorithm The signature algorithm to create the signature.
+		Ownership of the signature algorithm instance is taken by this
+		newly created signer info object. If construction fails, ownership is not transferred.
+		The user needs to push aDigestAlgorithm onto the cleanup stack before calling this
+		method and pop it off the cleanup stack after successful construction.
+	@return	The fully constructed object.
+	*/
+	static CCmsSignerInfo* NewL(const TDesC8& aDataToBeSigned,
+								TBool aIsHash,
+								const CRSAPrivateKey& aKey,
+								CCmsSignerIdentifier* aSignerIdentifier,
+								CX509AlgorithmIdentifier* aDigestAlgorithm,
+								CX509AlgorithmIdentifier* aSignatureAlgorithm);
+	/**
+	@internalComponent
+	
+	Creates a CMS signer info object as defined in RFC2630
+	and leaves it on the cleanup stack.
+	@param aDataToBeSigned The data content or its hash to be signed.
+	@param aIsHash Indicates whether the first parameter is a hash.
+	@param aKey The RSA private key used to sign.
+	@param aSignerIdentifier The signer identifier. Ownership of
+		the signer identifier is taken by this newly created signer info object.
+		If construction fails, ownership is not transferred. The user
+		needs to push aSignerIdentifier onto the cleanup stack before calling this
+		method, and pop it off the cleanup stack after successful construction.
+	@param aDigestAlgorithm	The digest algorithm used to create the hash.
+		Ownership of the digest algorithm instance is taken by
+		this newly created signer info object. If construction fails, ownership
+		is not transferred. The user needs to push aDigestAlgorithm onto the cleanup stack before
+		calling this method and pop it off the cleanup stack after successful construction.
+	@param aSignatureAlgorithm The signature algorithm to create the signature.
+		Ownership of the signature algorithm instance is taken by this
+		newly created signer info object. If construction fails, ownership is not transferred.
+		The user needs to push aDigestAlgorithm onto the cleanup stack before calling this
+		method and pop it off the cleanup stack after successful construction.
+	@return	The fully constructed object.
+	*/										
+	static CCmsSignerInfo* NewLC(const TDesC8& aDataToBeSigned,
+								TBool aIsHash,
+								const CRSAPrivateKey& aKey,
+								CCmsSignerIdentifier* aSignerIdentifier,
+								CX509AlgorithmIdentifier* aDigestAlgorithm,
+								CX509AlgorithmIdentifier* aSignatureAlgorithm);
+								
+	/**
+	@internalComponent
+	
+	Creates a CMS signer info object as defined in RFC2630.
+	@param aRawData the encoded signer info.
+	@return	The fully constructed object.
+	*/
+	static CCmsSignerInfo* NewL(const TDesC8& aRawData);
+
+	/**
+	@internalComponent
+	
+	Creates a CMS signer info object as defined in RFC2630
+	and leaves it on the cleanup stack.
+	@param aRawData The encoded signer info.
+	@return	The fully constructed object.
+	*/
+	static CCmsSignerInfo* NewLC(const TDesC8& aRawData);	
+	virtual ~CCmsSignerInfo();
+
+	/**
+	Returns the version of the CMS signer info object.
+	@return	The version of the CMS signer info object.
+	*/
+	IMPORT_C TInt Version() const;
+	
+	/**
+	Returns	whether signed attributes are present or not.
+	@return Boolean indicating whether signed attributes are present or not.
+	*/
+	IMPORT_C TBool IsSignedAttributesPresent() const;
+
+	/**
+	Returns	whether unsigned attributes are present or not.
+	@return Boolean indicating whether unsigned attributes are present or not.
+	*/
+	IMPORT_C TBool IsUnsignedAttributesPresent() const;	
+	
+	/**
+	Returns the digest algorithm identifier.
+	@return The digest algorithm identifier reference.
+	*/
+	IMPORT_C const CX509AlgorithmIdentifier& DigestAlgorithm() const;
+
+	/**
+	Returns the signature algorithm identifier.
+	@return The signature algorithm identifier reference.
+	*/			
+	IMPORT_C const CX509AlgorithmIdentifier& SignatureAlgorithm() const;
+	
+	/**
+	Returns the signature value.
+	@return The signature value.
+	*/
+	IMPORT_C const TPtrC8 SignatureValue() const;
+
+	/**
+	Returns the signer identifier.
+	@return the signer identifier reference.
+	*/
+	IMPORT_C const CCmsSignerIdentifier& SignerIdentifier() const;
+
+	/**
+	@internalComponent
+
+	Creates the ASN.1 sequence of this CMS signed object and leaves it on the cleanup stack.
+	@return  ASN.1 sequence of this object.
+	*/
+	CASN1EncSequence* EncodeASN1DERLC() const;	
+	
+private:
+	/**
+	Constructor.
+	*/
+	CCmsSignerInfo();
+	
+
+private:
+	/**
+	second phase constructor
+	@param aDataToBeSigned the data or its hash
+	@param aIsHash a flag to represent if the first paramter is hash or data content
+	@param aKey the DSA private key used to create the signature.
+	@param aSignerIdentifier the signer identifier.
+	@param aDigestAlgorithm	the digest algorithm used to create hash.
+	@param aSignatureAlgorithm	the signature alogorithm to create signature
+	*/
+	void ConstructL(const TDesC8& aDataToBeSigned, 
+					TBool aIsHash, 
+					const CDSAPrivateKey& aKey,					
+					CCmsSignerIdentifier* aSignerIdentifier,
+					CX509AlgorithmIdentifier* aDigestAlgorithm,
+					CX509AlgorithmIdentifier* aSignatureAlgorithm);
+
+	/**
+	second phase constructor
+	@param aDataToBeSigned the data or its hash
+	@param aIsHash a flag to represent if the first paramter is hash or data content
+	@param aKey the RSA private key used to create the signature.
+	@param aSignerIdentifier the signer identifier.
+	@param aDigestAlgorithm	the digest algorithm used to create hash.
+	@param aSignatureAlgorithm	the signature alogorithm to create signature.	
+	*/	
+	void ConstructL(const TDesC8& aDataToBeSigned, 
+					TBool aIsHash, 
+					const CRSAPrivateKey& aKey,
+					CCmsSignerIdentifier* aSignerIdentifier,
+					CX509AlgorithmIdentifier* aDigestAlgorithm,
+					CX509AlgorithmIdentifier* aSignatureAlgorithm);
+	
+	/**
+	Second phase constructor
+	@param aRawData the encoded the CMS content info
+	*/		
+	void ConstructL(const TDesC8& aRawData);
+	
+	/**
+	Encode the signer identifier
+	@return encoding of the signer identifier
+	*/			
+	CASN1EncBase* EncodeSignerIdentifierLC() const;
+	
+	/**
+	Decode the signature
+	@param aRawData the encoded signature
+	*/
+	void DecodeEncryptedDigestL(const TDesC8& aRawData);
+	
+	/**
+	Decode the signer identifier
+	@param aRawData the encoded signer identifier
+	*/	
+	void DecodeSignerIdentifierL(const TDesC8& aRawData);
+	
+private:
+	/**
+	Represents if the Signed Attribute is present
+	*/
+	TBool iSignedAttributesPresent;
+	
+	/**
+	Represents if the Unsigned Attribute is present
+	*/	
+	TBool iUnsignedAttributesPresent;
+	
+	/**
+	The version of the signer info
+	*/
+	TInt iVersion;
+	
+	/**
+	the signer identifier
+	*/
+	CCmsSignerIdentifier* iSignerIdentifier;
+	
+	/**
+	The digest algorithm identifier
+	*/
+	CX509AlgorithmIdentifier* iDigestAlgorithm;
+	/**
+	The signature algorithm identifier
+	*/	
+	CX509AlgorithmIdentifier* iSignatureAlgorithm;
+		
+	/**
+	the signature value
+	*/
+	HBufC8* iSignatureValue;
+	};
+
+#endif
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
FCL/sf/os/security