--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoservices/certificateandkeymgmt/pkcs7/cmscontentinfo.cpp	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,279 @@
+/*
+* 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: 
+*
+*/
+
+
+#include <cmscontentinfo.h>
+#include <asn1dec.h>
+#include <asn1enc.h> 
+#include "pkcs7asn1.h"
+#include "cmsutils.h"
+
+//
+//Implementation of CMS ContentInfo Identity
+//
+
+EXPORT_C CCmsContentInfo* CCmsContentInfo::NewLC(const TDesC8& aRawData)
+	{
+	CCmsContentInfo* self = new (ELeave) CCmsContentInfo();
+	CleanupStack::PushL(self);
+	self->ConstructL(aRawData);
+	return self;			
+	}
+
+EXPORT_C CCmsContentInfo* CCmsContentInfo::NewL(const TDesC8& aRawData)
+	{
+	CCmsContentInfo* self = NewLC(aRawData);
+	CleanupStack::Pop(self);
+	return self;			
+	}
+
+EXPORT_C CCmsContentInfo* CCmsContentInfo::NewL(TCmsContentInfoType aContentInfoType, const TDesC8& aContentData)
+	{
+	CCmsContentInfo* self = NewLC(aContentInfoType, aContentData);
+	CleanupStack::Pop(self);
+	return self;					
+	}
+
+EXPORT_C CCmsContentInfo* CCmsContentInfo::NewLC(TCmsContentInfoType aContentInfoType, const TDesC8& aContentData)
+	{
+	CCmsContentInfo* self = new (ELeave) CCmsContentInfo(aContentInfoType, aContentData);
+	CleanupStack::PushL(self);
+	return self;					
+	}
+	
+EXPORT_C CCmsContentInfo::~CCmsContentInfo()
+	{
+		
+	}
+CCmsContentInfo::CCmsContentInfo()
+	{
+	}
+
+CCmsContentInfo::CCmsContentInfo(TCmsContentInfoType aContentInfoType, const TDesC8& aContentData)
+:iContentType(aContentInfoType)
+	{
+	iContentData.Set(aContentData);
+	}
+
+void CCmsContentInfo::ConstructL(const TDesC8& aRawData)
+	{
+	const TInt minItems = 2;	// Must have OID
+	const TInt maxItems = 2;	// Must have data
+	CArrayPtr<TASN1DecGeneric>* contentInfo = PKCS7ASN1::DecodeSequenceLC(aRawData, minItems, maxItems);
+	
+	//Decode Content Type	
+	iContentType=(TCmsContentInfoType)(CmsUtils::DecodeContentTypeL(contentInfo->At(0)));
+
+	//Decode Content Data
+	const TASN1DecGeneric* contentInfoAt1 = contentInfo->At(1);
+	if ( contentInfoAt1->Tag() == 0 || contentInfoAt1->Class() == EContextSpecific )
+		{
+		TASN1DecGeneric decGen(contentInfoAt1->GetContentDER());
+		decGen.InitL();
+		if (iContentType==EContentTypeData)
+			{
+			if (decGen.Tag()!=EASN1OctetString || decGen.Class()!=EUniversal)
+				{
+				User::Leave(KErrArgument);	
+				}
+			else
+				{
+				iContentData.Set(decGen.GetContentDER());	
+				}
+			}
+		else
+			{
+			iContentData.Set(decGen.Encoding());				
+			}
+		}
+	else
+		{
+		User::Leave(KErrArgument);	
+		}
+		
+	CleanupStack::PopAndDestroy(contentInfo);
+	}
+	
+EXPORT_C CASN1EncSequence* CCmsContentInfo::EncodeASN1DERLC() const
+	{
+	// the root sequence contains the OID and the content data
+	CASN1EncSequence* root = CASN1EncSequence::NewLC();
+	
+	//Encode the OID
+	CASN1EncObjectIdentifier* oid = CmsUtils::EncodeContentTypeLC(iContentType);	 	
+	root->AddAndPopChildL(oid);
+
+	CASN1EncBase* enc(NULL);
+	if (iContentType==EContentTypeData)
+		{
+		enc=CASN1EncOctetString::NewL(iContentData);			
+		}
+	else
+		{
+		//Encode the  Content
+		//iContentData already encoded in sequence
+		//so just rebuild the structure
+		enc = CASN1EncEncoding::NewL(iContentData);
+		}
+	// Add [0] EXPLICT
+	CASN1EncExplicitTag* Enc=CASN1EncExplicitTag::NewLC(enc, 0);
+	root->AddAndPopChildL(Enc);					
+		
+	return root;
+	}
+
+EXPORT_C const TPtrC8 CCmsContentInfo::ContentData() const
+	{
+	return iContentData;	
+	}
+
+EXPORT_C TCmsContentInfoType CCmsContentInfo::ContentType() const
+	{
+	return iContentType;	
+	}
+
+	
+//	
+//Implementation of CMS EncapsulatedContentInfo Identity	
+//
+CEncapsulatedContentInfo* CEncapsulatedContentInfo::NewLC(const TDesC8& aRawData)
+	{
+	CEncapsulatedContentInfo* self = new (ELeave) CEncapsulatedContentInfo();
+	CleanupStack::PushL(self);
+	self->ConstructL(aRawData);
+	return self;			
+	}
+
+CEncapsulatedContentInfo* CEncapsulatedContentInfo::NewL(const TDesC8& aRawData)
+	{
+	CEncapsulatedContentInfo* self = NewLC(aRawData);
+	CleanupStack::Pop(self);
+	return self;			
+	}
+
+CEncapsulatedContentInfo* CEncapsulatedContentInfo::NewLC(TCmsContentInfoType aContentInfoType, TBool aIsEContentDataPresent, const TDesC8& aContentData)
+	{
+	CEncapsulatedContentInfo* self = new (ELeave) CEncapsulatedContentInfo(aContentInfoType, aIsEContentDataPresent, aContentData);
+	CleanupStack::PushL(self);
+	return self;					
+	}
+
+CEncapsulatedContentInfo* CEncapsulatedContentInfo::NewL(TCmsContentInfoType aContentInfoType, TBool aIsEContentDataPresent, const TDesC8& aContentData)
+	{
+	CEncapsulatedContentInfo* self = NewLC(aContentInfoType, aIsEContentDataPresent, aContentData);
+	CleanupStack::Pop(self);
+	return self;	
+	}
+
+CEncapsulatedContentInfo::CEncapsulatedContentInfo()
+	{
+	}
+
+CEncapsulatedContentInfo::CEncapsulatedContentInfo(TCmsContentInfoType aContentInfoType, TBool aIsEContentDataPresent, const TDesC8& aContentData)
+:iContentType(aContentInfoType),
+ iIsContentDataPresent(aIsEContentDataPresent)
+	{
+	if (aIsEContentDataPresent)
+		{
+		iContentData.Set(aContentData);			
+		}
+	}
+
+void CEncapsulatedContentInfo::ConstructL(const TDesC8& aRawData)
+	{	
+	const TInt minItems = 1;	// Must have OID
+	const TInt maxItems = 2;	// Must have data
+	CArrayPtr<TASN1DecGeneric>* contentInfo = PKCS7ASN1::DecodeSequenceLC(aRawData, minItems, maxItems);
+	
+	//Decode Content Type	
+	iContentType=(TCmsContentInfoType)(CmsUtils::DecodeContentTypeL(contentInfo->At(0)));
+	
+	//Decode Content Data
+	if(contentInfo->Count() == 2)
+		{
+		iIsContentDataPresent=ETrue;
+		const TASN1DecGeneric* contentInfoAt1 = contentInfo->At(1);
+		
+		//Decode [0] Explicit
+		if ( contentInfoAt1->Tag() == 0 || contentInfoAt1->Class() == EContextSpecific )
+			{
+			//Decode Wrapper Octet string	
+			TASN1DecGeneric decGen(contentInfoAt1->GetContentDER());
+			decGen.InitL();
+			if(decGen.Tag() == EASN1OctetString && decGen.Class() == EUniversal)
+				{
+				iContentData.Set(decGen.GetContentDER());
+				}
+			else
+				{
+				//Wrapper is not an Octect String
+				User::Leave(KErrArgument);
+				}			
+			}
+		else
+			{
+			//Not [0] Explicit
+			User::Leave(KErrArgument);
+			}
+		}
+	else
+		{
+		//No optional data
+		iContentData.Set(KNullDesC8());	
+		}
+	CleanupStack::PopAndDestroy(contentInfo);
+	}	
+	
+	
+CASN1EncSequence* CEncapsulatedContentInfo::EncodeASN1DERLC() const
+	{
+	// the root sequence contains the OID and the content data
+	CASN1EncSequence* root = CASN1EncSequence::NewLC();
+	
+	//Encode the OID
+	CASN1EncObjectIdentifier* oid = CmsUtils::EncodeContentTypeLC(iContentType);	 	
+	root->AddAndPopChildL(oid);
+	
+	//Encode the Content
+	if (iIsContentDataPresent)
+		{
+		//Wrapper Octect String
+		CASN1EncOctetString* octetString=CASN1EncOctetString::NewL(iContentData);
+		
+		// Add [0] EXPLICT
+		CASN1EncExplicitTag* Enc=CASN1EncExplicitTag::NewLC(octetString, 0);
+		root->AddAndPopChildL(Enc);		
+		}
+			
+	return root;
+	}
+
+
+EXPORT_C TBool CEncapsulatedContentInfo::IsContentDataPresent() const
+	{
+	return iIsContentDataPresent;	
+	}
+
+EXPORT_C const TPtrC8 CEncapsulatedContentInfo::ContentData() const
+	{
+	return iContentData;	
+	}
+
+EXPORT_C TCmsContentInfoType CEncapsulatedContentInfo::ContentType() const
+	{
+	return iContentType;	
+	}