--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/src/CCMSKeyTransRecipientInfo.cpp Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,373 @@
+/*
+* 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 "CCMSKeyTransRecipientInfo.h"
+#include "CCMSIssuerAndSerialNumber.h"
+#include "CCMSX509AlgorithmIdentifier.h"
+#include <asn1dec.h>
+#include <asn1enc.h>
+
+// CONSTANTS
+const TInt KNumberOfSubModules = 4;
+const TTagType KSubjectKeyIdentifierTag = 0;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::CCMSKeyTransRecipientInfo
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSKeyTransRecipientInfo::CCMSKeyTransRecipientInfo( TInt aVersion)
+ : CCMSRecipientInfo( aVersion )
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CCMSKeyTransRecipientInfo::ConstructL(
+ const CCMSIssuerAndSerialNumber& aIssuerAndSerialNumber,
+ const CCMSX509AlgorithmIdentifier& aKeyEncryptionAlgorithm,
+ const TDesC8& aEncryptedKey )
+ {
+ BaseConstructL( aKeyEncryptionAlgorithm );
+ SetIssuerAndSerialNumberL( aIssuerAndSerialNumber );
+ SetEncryptedKeyL( aEncryptedKey );
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CCMSKeyTransRecipientInfo::ConstructL(
+ const TDesC8& aSubjectKeyIdentifier,
+ const CCMSX509AlgorithmIdentifier& aKeyEncryptionAlgorithm,
+ const TDesC8& aEncryptedKey )
+ {
+ BaseConstructL( aKeyEncryptionAlgorithm );
+ SetSubjectKeyIdentifierL( aSubjectKeyIdentifier );
+ SetEncryptedKeyL( aEncryptedKey );
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSKeyTransRecipientInfo* CCMSKeyTransRecipientInfo::NewLC()
+ {
+ // creating with empty/default values
+ CCMSKeyTransRecipientInfo* self =
+ new( ELeave ) CCMSKeyTransRecipientInfo(
+ KCMSKeyTransRecipientInfoSubjectKeyIdentifierVersion );
+ CleanupStack::PushL( self );
+ CCMSX509AlgorithmIdentifier* algorithmIdentifier =
+ CCMSX509AlgorithmIdentifier::NewL();
+ CleanupStack::PushL( algorithmIdentifier );
+ self->ConstructL( KNullDesC8(), *algorithmIdentifier, KNullDesC8() );
+ CleanupStack::PopAndDestroy( algorithmIdentifier );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSKeyTransRecipientInfo* CCMSKeyTransRecipientInfo::NewL()
+ {
+ // creating with empty/default values
+ CCMSKeyTransRecipientInfo* self = NewLC();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSKeyTransRecipientInfo* CCMSKeyTransRecipientInfo::NewL(
+ const CCMSIssuerAndSerialNumber& aIssuerAndSerialNumber,
+ const CCMSX509AlgorithmIdentifier& aKeyEncryptionAlgorithm,
+ const TDesC8& aEncryptedKey )
+ {
+ CCMSKeyTransRecipientInfo* self =
+ new( ELeave ) CCMSKeyTransRecipientInfo(
+ KCMSKeyTransRecipientInfoIssuerAndSerialNumberVersion );
+
+ CleanupStack::PushL( self );
+ self->ConstructL( aIssuerAndSerialNumber, aKeyEncryptionAlgorithm,
+ aEncryptedKey );
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSKeyTransRecipientInfo* CCMSKeyTransRecipientInfo::NewLC(
+ const TDesC8& aSubjectKeyIdentifier,
+ const CCMSX509AlgorithmIdentifier& aKeyEncryptionAlgorithm,
+ const TDesC8& aEncryptedKey )
+ {
+ CCMSKeyTransRecipientInfo* self =
+ new( ELeave ) CCMSKeyTransRecipientInfo(
+ KCMSKeyTransRecipientInfoSubjectKeyIdentifierVersion );
+
+ CleanupStack::PushL( self );
+ self->ConstructL( aSubjectKeyIdentifier, aKeyEncryptionAlgorithm,
+ aEncryptedKey );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSKeyTransRecipientInfo* CCMSKeyTransRecipientInfo::NewL(
+ const TDesC8& aSubjectKeyIdentifier,
+ const CCMSX509AlgorithmIdentifier& aKeyEncryptionAlgorithm,
+ const TDesC8& aEncryptedKey )
+ {
+ CCMSKeyTransRecipientInfo* self =
+ NewLC( aSubjectKeyIdentifier, aKeyEncryptionAlgorithm, aEncryptedKey );
+
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+
+// Destructor
+CCMSKeyTransRecipientInfo::~CCMSKeyTransRecipientInfo()
+ {
+ delete iEncryptedKey;
+ delete iIssuerAndSerialNumber;
+ delete iSubjectKeyIdentifier;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::DecodeL
+// Decrypts raw data to this instance
+// -----------------------------------------------------------------------------
+void CCMSKeyTransRecipientInfo::DecodeL( const TDesC8& aRawData )
+ {
+ CArrayPtr< TASN1DecGeneric >* itemsData =
+ DecodeSequenceLC( aRawData, KNumberOfSubModules, KNumberOfSubModules );
+
+ // Decode version
+ TASN1DecGeneric versionDec( *itemsData->At( 0 ) );
+ versionDec.InitL();
+ TASN1DecInteger intDecoder;
+ TInt version = intDecoder.DecodeDERShortL( versionDec );
+
+ // decode rid RecipientIdentifier
+ TASN1DecOctetString octetStringDecoder;
+ TASN1DecGeneric ridDec( *itemsData->At( 1 ) );
+ HBufC8* keyIdentifier = NULL;
+ CCMSIssuerAndSerialNumber* issuer = NULL;
+ switch( version )
+ {
+ case KCMSKeyTransRecipientInfoSubjectKeyIdentifierVersion:
+ {
+ if( ridDec.Tag() != KSubjectKeyIdentifierTag )
+ {
+ User::Leave( KErrArgument );
+ }
+ TInt pos = 0;
+ keyIdentifier = octetStringDecoder.DecodeDERL(
+ ridDec.GetContentDER(), pos );
+ CleanupStack::PushL( keyIdentifier );
+ break;
+ }
+ case KCMSKeyTransRecipientInfoIssuerAndSerialNumberVersion:
+ {
+ issuer = CCMSIssuerAndSerialNumber::NewL();
+ CleanupStack::PushL( issuer );
+ issuer->DecodeL( ridDec.Encoding() );
+ break;
+ }
+ default:
+ {
+ User::Leave( KErrArgument );
+ }
+ }
+
+ // decode keyEncryptionAlgorithm
+ CCMSX509AlgorithmIdentifier* algId = CCMSX509AlgorithmIdentifier::NewL();
+ CleanupStack::PushL( algId );
+ algId->DecodeL( itemsData->At( 2 )->Encoding() );
+
+ // decode encryptedKey
+ TASN1DecGeneric keyDecoder( *itemsData->At( 3 ) );
+ keyDecoder.InitL();
+ HBufC8* tmp = octetStringDecoder.DecodeDERL( keyDecoder );
+
+ // now we have created all new members, so we can change state
+ iVersion = version;
+ delete iSubjectKeyIdentifier;
+ iSubjectKeyIdentifier = keyIdentifier;
+ delete iIssuerAndSerialNumber;
+ iIssuerAndSerialNumber = issuer;
+ delete iKeyEncryptionAlgorithm;
+ iKeyEncryptionAlgorithm = algId;
+ delete iEncryptedKey;
+ iEncryptedKey = tmp;
+ CleanupStack::Pop( 2 ); // keyIdentifier/issuer, algId
+ CleanupStack::PopAndDestroy( itemsData );
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::EncoderLC
+// Returns ASN1 encoder for this instance
+// -----------------------------------------------------------------------------
+
+CASN1EncBase* CCMSKeyTransRecipientInfo::EncoderLC() const
+ {
+ CASN1EncSequence* root = CASN1EncSequence::NewLC();
+
+ // encode version
+ AddVersionL( root );
+
+ // encode rid RecipientIdentifier
+ if( iIssuerAndSerialNumber )
+ {
+ // encode issuerAndSerialNumber
+ HBufC8* encodedIssuer = NULL;
+ iIssuerAndSerialNumber->EncodeL( encodedIssuer );
+ CleanupStack::PushL( encodedIssuer );
+ CASN1EncEncoding* issuer = CASN1EncEncoding::NewLC( *encodedIssuer );
+ root->AddAndPopChildL( issuer );
+ CleanupStack::PopAndDestroy( encodedIssuer );
+ }
+ else
+ {
+ // encode subjectKeyIdentifier [0] SubjectKeyIdentifier
+ CASN1EncOctetString* subjectKeyIdentifier =
+ CASN1EncOctetString::NewL( *iSubjectKeyIdentifier );
+ CASN1EncExplicitTag* taggedIdentifier =
+ CASN1EncExplicitTag::NewLC( subjectKeyIdentifier, KSubjectKeyIdentifierTag );
+ root->AddAndPopChildL( taggedIdentifier );
+ }
+
+ // encode keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier
+ AddKeyEncryptionAlgorithmL( root );
+
+ // encode encryptedKey
+ CASN1EncOctetString* encryptedKey =
+ CASN1EncOctetString::NewLC( *iEncryptedKey );
+ root->AddAndPopChildL( encryptedKey );
+
+ return root;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::TaggedEncoderLC
+// Returns ASN1 encoder for this instance
+// -----------------------------------------------------------------------------
+CASN1EncBase* CCMSKeyTransRecipientInfo::TaggedEncoderLC() const
+ {
+ return EncoderLC();
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::EncryptedKey
+// EncryptedKey getter
+// -----------------------------------------------------------------------------
+EXPORT_C const TDesC8&
+CCMSKeyTransRecipientInfo::EncryptedKey() const
+ {
+ return *iEncryptedKey;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::IssuerAndSerialNumber
+// IssuerAndSerialNumber getter
+// -----------------------------------------------------------------------------
+EXPORT_C const CCMSIssuerAndSerialNumber*
+CCMSKeyTransRecipientInfo::IssuerAndSerialNumber() const
+ {
+ return iIssuerAndSerialNumber;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::SubjectKeyIdentifier
+// SubjectKeyIdentifier getter
+// -----------------------------------------------------------------------------
+EXPORT_C const TDesC8*
+CCMSKeyTransRecipientInfo::SubjectKeyIdentifier() const
+ {
+ return iSubjectKeyIdentifier;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::SetEncryptedKeyL
+// EncryptedKey setter
+// -----------------------------------------------------------------------------
+EXPORT_C void CCMSKeyTransRecipientInfo::SetEncryptedKeyL(
+ const TDesC8& aEncryptedKey )
+ {
+ HBufC8* encryptedKey = aEncryptedKey.AllocL();
+ delete iEncryptedKey;
+ iEncryptedKey = encryptedKey;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::SetIssuerAndSerialNumberL
+// IssuerAndSerialNumber setter, deletes also SubjectKeyIdentifier and
+// sets version to KVersionIssuerAndSerialNumber
+// -----------------------------------------------------------------------------
+EXPORT_C void CCMSKeyTransRecipientInfo::SetIssuerAndSerialNumberL(
+ const CCMSIssuerAndSerialNumber& aIssuerAndSerialNumber )
+ {
+ CCMSIssuerAndSerialNumber* issuer = CCMSIssuerAndSerialNumber::NewL(
+ aIssuerAndSerialNumber.IssuerName(),
+ aIssuerAndSerialNumber.SerialNumber() );
+ delete iSubjectKeyIdentifier;
+ iSubjectKeyIdentifier = NULL;
+ delete iIssuerAndSerialNumber;
+ iIssuerAndSerialNumber = issuer;
+ iVersion = KCMSKeyTransRecipientInfoIssuerAndSerialNumberVersion;
+ }
+
+// -----------------------------------------------------------------------------
+// CCMSKeyTransRecipientInfo::SetSubjectKeyIdentifierL
+// SubjectKeyIdentifier setter. Copies parameters, deletes also
+// IssuerAndSerialNumber and set version to KVersionSubjectKeyIdentifier
+// -----------------------------------------------------------------------------
+EXPORT_C void CCMSKeyTransRecipientInfo::SetSubjectKeyIdentifierL(
+ const TDesC8& aSubjectKeyIdentifier )
+ {
+ HBufC8* identifier = aSubjectKeyIdentifier.AllocL();
+ delete iIssuerAndSerialNumber;
+ iIssuerAndSerialNumber = NULL;
+ delete iSubjectKeyIdentifier;
+ iSubjectKeyIdentifier = identifier;
+ iVersion = KCMSKeyTransRecipientInfoSubjectKeyIdentifierVersion;
+ }
+
+// End of File