--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/src/CCMSKeyIdentifier.cpp	Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,267 @@
+/*
+* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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 FILES
+#include    "CCMSKeyIdentifier.h"
+#include <asn1dec.h>
+#include <asn1enc.h>
+
+// CONSTANTS
+const TInt KMinNumberOfSubModules = 1;
+const TInt KMaxNumberOfSubModules = 3;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::CCMSKeyIdentifier
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSKeyIdentifier::CCMSKeyIdentifier()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CCMSKeyIdentifier::ConstructL(
+	const TDesC8& aKeyIdentifier )
+    {
+	SetKeyIdentifierL( aKeyIdentifier );
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CCMSKeyIdentifier::ConstructL(
+	const TDesC8& aKeyIdentifier,
+    const TTime& aDate )
+    {
+	SetKeyIdentifierL( aKeyIdentifier );
+    SetDateL( aDate );
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSKeyIdentifier* CCMSKeyIdentifier::NewL()
+	{
+	// creating with empty/default values
+	CCMSKeyIdentifier* self = NewL( KNullDesC8() );
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::NewL
+// Two-phased copy constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSKeyIdentifier* CCMSKeyIdentifier::NewL(
+    const TDesC8& aKeyIdentifier )
+	{
+    CCMSKeyIdentifier* self =
+    	new( ELeave ) CCMSKeyIdentifier();
+
+    CleanupStack::PushL( self );
+    self->ConstructL( aKeyIdentifier );
+    CleanupStack::Pop( self );
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::NewL
+// Two-phased copy constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSKeyIdentifier* CCMSKeyIdentifier::NewL(
+    const TDesC8& aKeyIdentifier,
+    const TTime& aDate )
+	{
+    CCMSKeyIdentifier* self =
+    	new( ELeave ) CCMSKeyIdentifier();
+
+    CleanupStack::PushL( self );
+    self->ConstructL( aKeyIdentifier, aDate );
+    CleanupStack::Pop( self );
+	return self;
+	}
+
+// Destructor
+CCMSKeyIdentifier::~CCMSKeyIdentifier()
+    {
+	delete iKeyIdentifier;
+	delete iDate;
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::DecodeL
+// Decrypts raw data to this instance
+// -----------------------------------------------------------------------------
+void CCMSKeyIdentifier::DecodeL( const TDesC8& aRawData )
+	{
+    CArrayPtr< TASN1DecGeneric >* itemsData =
+        DecodeSequenceLC( aRawData, KMinNumberOfSubModules,
+                          KMaxNumberOfSubModules );
+
+    DecodeArrayL( itemsData );
+
+    CleanupStack::PopAndDestroy( itemsData );
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::EncoderLC
+// Returns ASN1 encoder for this instance
+// -----------------------------------------------------------------------------
+
+CASN1EncBase* CCMSKeyIdentifier::EncoderLC() const
+	{
+    CASN1EncSequence* root = CASN1EncSequence::NewLC();
+
+    // encode the subjectKeyIdentifier
+    CASN1EncOctetString* subjectKeyIdentifier =
+        CASN1EncOctetString::NewLC( *iKeyIdentifier );
+    root->AddAndPopChildL( subjectKeyIdentifier );
+
+    // encode date if existing
+    if( iDate )
+        {
+        CASN1EncGeneralizedTime* date =
+            CASN1EncGeneralizedTime::NewLC( *iDate );
+        root->AddAndPopChildL( date );
+        }
+
+    return root;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::KeyIdentifier
+// Subject Key identifier getter
+// -----------------------------------------------------------------------------
+EXPORT_C const TDesC8&
+CCMSKeyIdentifier::KeyIdentifier() const
+	{
+	return *iKeyIdentifier;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::Date
+// Date getter
+// -----------------------------------------------------------------------------
+EXPORT_C const TTime* CCMSKeyIdentifier::Date() const
+	{
+	return iDate;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::SetKeyIdentifierL
+// KeyIdentifier setter
+// -----------------------------------------------------------------------------
+EXPORT_C void CCMSKeyIdentifier::SetKeyIdentifierL(
+	const TDesC8& aKeyIdentifier )
+	{
+    HBufC8* subjectKeyIdentifier = aKeyIdentifier.AllocL();
+    delete iKeyIdentifier;
+    iKeyIdentifier = subjectKeyIdentifier;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::SetDateL
+// Date setter
+// -----------------------------------------------------------------------------
+EXPORT_C void CCMSKeyIdentifier::SetDateL(
+	const TTime& aDate )
+	{
+    TTime* date = new( ELeave ) TTime( aDate );
+    delete iDate;
+    iDate = date;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::DecodeImplicitTagL
+// Decrypts raw data with implicit tag
+// -----------------------------------------------------------------------------
+void CCMSKeyIdentifier::DecodeImplicitTagL(
+    const TDesC8& aRawData,
+    const TTagType aImplicitTag )
+    {
+    CArrayPtr< TASN1DecGeneric >* items = NULL;
+
+    // Check the tag
+    TASN1DecGeneric decGen( aRawData );
+    decGen.InitL();
+    // Accept only given tag
+    if( decGen.Tag() != aImplicitTag )
+        {
+        User::Leave( KErrArgument );
+        }
+    TASN1DecSequence decSeq;
+    items = decSeq.DecodeDERLC( decGen );
+    TInt itemCount = items->Count();
+    if( ( itemCount > KMaxNumberOfSubModules ) ||
+        ( itemCount < KMinNumberOfSubModules ) )
+        {
+        User::Leave( KErrArgument );
+        }
+    DecodeArrayL( items );
+    CleanupStack::PopAndDestroy( items );
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyIdentifier::DecodeArrayL
+// Decodes data from an array of decoders
+// -----------------------------------------------------------------------------
+void CCMSKeyIdentifier::DecodeArrayL(
+    CArrayPtr< TASN1DecGeneric >* aItems )
+    {
+    // Caller should have made sure that there is at least one item
+    __ASSERT_DEBUG( ( aItems->Count() > 0 ), User::Invariant() );
+    
+    // decode subjectKeyIdentifier
+    TASN1DecGeneric gen( *aItems->At( 0 ) );
+    gen.InitL();
+    TASN1DecOctetString octetStringDecoder;
+    HBufC8* tmp =
+        octetStringDecoder.DecodeDERL( gen );
+    delete iKeyIdentifier;
+    iKeyIdentifier = tmp;
+
+    // decode date if exists
+    if( aItems->Count() > 1 )
+        {
+        TInt pos = 0;
+        TASN1DecGeneralizedTime dateDec;
+        TTime date = dateDec.DecodeDERL( aItems->At( 1 )->Encoding(), pos );
+        SetDateL( date );
+        }
+    else
+        {
+        delete iDate;
+        iDate = NULL;
+        }
+
+    // possible OtherKeyAttribute is not supported / ignored.
+    }
+
+//  End of File