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/*
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* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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/**
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@file
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@publishedPartner
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@released
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*/
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#ifndef CMSCONTENTINFO_H
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#define CMSCONTENTINFO_H
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#include "cmsdefs.h"
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class CASN1EncSequence;
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/**
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The RFC2630 EncapsulatedContentInfo entity.
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This class provides details about the Content Type in the Content Info,
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provides access to the Content Data when the Content Type is Data and
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provides access to the entire ContentInfo sequence.
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*/
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class CEncapsulatedContentInfo : public CBase
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{
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public:
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/**
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* @internalComponent
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*
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* Creates an EncapsulatedContentInfo as defined in RFC2630.
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* @param aRawData the encoded encapsulated data.
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* @return The fully constructed object
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**/
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static CEncapsulatedContentInfo* NewL(const TDesC8& aRawData);
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/**
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* @internalComponent
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*
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* Creates an EncapsulatedContentInfo as defined in RFC2630, and leaves the instance on the cleanup stack.
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* @param aRawData The encoded encapsulated data.
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* @return The fully constructed object.
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**/
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static CEncapsulatedContentInfo* NewLC(const TDesC8& aRawData);
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/**
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* @internalComponent
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*
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* Creates an EncapsulatedContentInfo as defined in RFC2630.
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* @param aContentInfoType The type of the encapsulated content.
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* @param aIsEContentDataPresent Indicates whether the encapsulated data is present.
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* @param aContentData The encapsulated data.
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* @return The fully constructed object.
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**/
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static CEncapsulatedContentInfo* NewL(TCmsContentInfoType aContentInfoType, TBool aIsEContentDataPresent, const TDesC8& aContentData);
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/**
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* @internalComponent
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*
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* Creates an EncapsulatedContentInfo as defined in RFC2630, and leaves the instance on the cleanup stack.
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* @param aContentInfoType The type of the encapsulated content.
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* @param aIsEContentDataPresent Indicates whether the encapsulated data is present.
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* @param aContentData The encapsulated data.
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* @return The fully constructed object
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**/
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static CEncapsulatedContentInfo* NewLC(TCmsContentInfoType aContentInfoType, TBool aIsEContentDataPresent, const TDesC8& aContentData);
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/**
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* @internalComponent
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*
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* Creates the DER sequence of the ContentInfo and leaves the DER sequence on the cleanup stack.
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* @return The ASN.1 sequence of the ContentInfo.
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**/
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CASN1EncSequence* EncodeASN1DERLC() const;
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/**
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Provides information about the ContentType in the ContentInfo sequence.
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It returns the last number in the ObjectIdentifier.
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@return The ContentType. This is:
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- 1 for Data
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- 2 for SignedData
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- 3 for EnvelopedData
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- 5 for DigestedData
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- 6 for EncryptedData
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*/
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IMPORT_C TCmsContentInfoType ContentType() const;
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/**
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Returns whether the ContentInfo is present or not.
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ContentData present in EncapsulatedContentInfo is OPTIONAL.
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@return A boolean value that indicates whether or not the ContentInfo is present.
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*/
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IMPORT_C TBool IsContentDataPresent() const;
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/**
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Provides access to the Content Data present in CMS. ContentData present
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in EncapsulatedContentInfo is OPTIONAL. The client has to check for
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data length 0 or if the data content is present in case there is no ContentData.
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@return The ContentData.
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*/
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IMPORT_C const TPtrC8 ContentData() const;
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private:
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/*
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Constuctor and second phase constructor.
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*/
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CEncapsulatedContentInfo();
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CEncapsulatedContentInfo(TCmsContentInfoType aContentInfoType, TBool aIsEContentDataPresent, const TDesC8& aContentData);
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void ConstructL(const TDesC8& aRawData);
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private:
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/**
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The Type of the ContentInfo
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*/
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TCmsContentInfoType iContentType;
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/**
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Represents whether the Content is present or not.
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*/
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TBool iIsContentDataPresent;
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/**
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The Content Data.
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*/
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TPtrC8 iContentData;
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};
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/**
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The RFC2630 ContentInfo entity.
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This class provides details about the content type in the ContentInfo,
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provides access to the content data when the content type is Data and
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provides access to the entire ContentInfo sequence.
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At present, only data content type and signed data type are supported.
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*/
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class CCmsContentInfo : public CBase
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{
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public:
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/**
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Creates a ContentInfo as defined in RFC2630.
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@param aRawData The encoded encapsulated data.
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@return The fully constructed object.
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*/
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IMPORT_C static CCmsContentInfo* NewL(const TDesC8& aRawData);
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/**
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Creates a ContentInfo as defined in RFC2630,
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and leaves the instance on the cleanup stack.
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@param aRawData The encoded encapsulated data.
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@return The fully constructed object.
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*/
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IMPORT_C static CCmsContentInfo* NewLC(const TDesC8& aRawData);
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/**
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Creates a ContentInfo as defined in RFC2630.
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@param aContentInfoType The type of the encapsulated content.
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@param aContentData The encapsulated data.
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@return The fully constructed object.
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*/
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IMPORT_C static CCmsContentInfo* NewL(TCmsContentInfoType aContentInfoType, const TDesC8& aContentData);
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/**
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Creates a ContentInfo as defined in RFC2630 and leaves the object on the cleanup stack.
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@param aContentInfoType The type of the encapsulated content.
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@param aContentData The encapsulated data.
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@return The fully constructed object.
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*/
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IMPORT_C static CCmsContentInfo* NewLC(TCmsContentInfoType aContentInfoType, const TDesC8& aContentData);
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/**
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Creates the DER sequence of the ContentInfo and leaves the DER sequence on the cleanup stack.
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@return The ASN.1 sequence of the ContentInfo.
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*/
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IMPORT_C CASN1EncSequence* EncodeASN1DERLC() const;
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/**
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Destructor
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*/
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IMPORT_C ~CCmsContentInfo();
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/**
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Provides the information about the ContentType in the ContentInfo sequence.
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It returns the last number in the Object Identifier.
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@return The ContentType. This is:
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- 1 for Data
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- 2 for SignedData
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- 3 for EnvelopedData
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- 5 for DigestedData
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- 6 for EncryptedData
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*/
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IMPORT_C TCmsContentInfoType ContentType() const;
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/**
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Provides access to the content data.
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@return The content data.
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*/
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IMPORT_C const TPtrC8 ContentData() const;
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private:
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/**
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default constructor
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*/
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CCmsContentInfo();
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/**
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constructor to build the CMS content info from the given parameters
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@param aContentInfoType the type of data contained in the CMS content info
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@param aContentData the descriptor which contains the encoded CMS oject
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*/
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CCmsContentInfo(TCmsContentInfoType aContentInfoType, const TDesC8& aContentData);
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/**
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constructor to build the CMS content info from the raw data.
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@param aContentInfoType the type of data contained in the CMS content info
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@param aContentData the descriptor which contains the encoded CMS oject
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*/
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void ConstructL(const TDesC8& aRawData);
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private:
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/**
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The Type of the ContentInfo
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*/
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TCmsContentInfoType iContentType;
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/**
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The Content Data
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*/
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TPtrC8 iContentData;
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};
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#endif // CMSCONTENTINFO_H
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