sl@0: // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "UE_STD.H"
sl@0: 
sl@0: #include <pbe.h>
sl@0: 
sl@0: #define PBEDATA_NO_EXPORTED_CONSTRUCTORS
sl@0: #include <pbedata.h>
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: EXPORT_C void RDecryptStream::OpenL(RReadStream& aHost,const CPBEncryptionBase& aKey)
sl@0: /**
sl@0: Open a decrypting read stream to aHost.
sl@0: Prepares the source stream owned by the specified read stream interface object for 
sl@0: reading through a decrypting filter.
sl@0: @publishedPartner
sl@0: @leave KErrNoMemory
sl@0: @param aHost The read stream interface object for the source stream. 
sl@0: This function does not take ownership of the source stream.
sl@0: @param aKey A Password Based Encryption object for encryption handling.
sl@0: */
sl@0: 	{
sl@0: 	CPBDecryptor* decryptor = aKey.NewDecryptLC();
sl@0: 	iFilter.SetL(aHost.Source(),decryptor,iFilter.ERead);
sl@0: 	CleanupStack::Pop(decryptor);
sl@0: 	RReadStream::Attach(&iFilter);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void RDecryptStream::OpenLC(RReadStream& aHost,const CPBEncryptionBase& aKey)
sl@0: /**
sl@0: Open a decrypting read stream to aHost.
sl@0: Prepares the source stream owned by the specified read stream interface object for 
sl@0: reading through a decrypting filter, and puts a cleanup item onto the cleanup stack.
sl@0: @publishedPartner
sl@0: @leave KErrNoMemory
sl@0: @param aHost The read stream interface object for the source stream. 
sl@0: This function does not take ownership of the source stream.
sl@0: @param aKey A Password Based Encryption object for encryption handling.
sl@0: */	
sl@0: {
sl@0: 	OpenL(aHost,aKey);
sl@0: 	PushL();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void RDecryptStream::AttachL(RReadStream& aHost,const CPBEncryptionBase& aKey)
sl@0: /**
sl@0: Attach a decrypting read stream to aHost.
sl@0: Takes ownership of the source stream owned by the specified read stream interface object, 
sl@0: and prepares the stream for reading through a decrypting filter.
sl@0: @publishedPartner
sl@0: @leave KErrNoMemory
sl@0: @param aHost The read stream interface object for the source stream.
sl@0: @param aKey A Password Based Encryption object for encryption handling.
sl@0: */	{
sl@0: 	AttachLC(aHost,aKey);
sl@0: 	CleanupStack::Pop();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void RDecryptStream::AttachLC(RReadStream& aHost,const CPBEncryptionBase& aKey)
sl@0: /**
sl@0: Attach a decrypting read stream to aHost.
sl@0: Takes ownership of the source stream owned by the specified read stream interface object, 
sl@0: prepares the stream for reading through a decrypting filter, and puts a cleanup item onto the cleanup stack.
sl@0: @publishedPartner
sl@0: @leave KErrNoMemory
sl@0: @param aHost The read stream interface object for the source stream.
sl@0: @param aKey A Password Based Encryption object for encryption handling.
sl@0: */	{
sl@0: 	MStreamBuf* host=aHost.Source();
sl@0: 	aHost=RReadStream();
sl@0: 	RReadStream::Attach(host);		// initial cleanup via this
sl@0: 	PushL();
sl@0: 
sl@0: 	CPBDecryptor* decryptor = aKey.NewDecryptLC();
sl@0: 	iFilter.SetL(host,decryptor,iFilter.ERead|iFilter.EAttached);
sl@0: 	CleanupStack::Pop(decryptor);
sl@0: 	
sl@0: 	RReadStream::Attach(&iFilter);
sl@0: 	}
sl@0: 
sl@0: //////////////////////////////////////////////////////////////////////////////
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: EXPORT_C void REncryptStream::OpenL(RWriteStream& aHost,const CPBEncryptionBase& aKey)
sl@0: /**
sl@0: Open an encrypting write stream over aHost.
sl@0: Prepares the target stream owned by the specified write stream interface object for 
sl@0: writing through an encrypting filter.
sl@0: @publishedPartner
sl@0: @leave KErrNoMemory
sl@0: @param aHost The write stream interface object for the target stream. The function does not take ownership of the target stream.
sl@0: @param aKey A Password Based Encryption object for encryption handling.
sl@0: */
sl@0: 	{
sl@0: 	CPBEncryptor* encryptor = aKey.NewEncryptLC();
sl@0: 	iFilter.SetL(aHost.Sink(),encryptor,iFilter.EWrite);
sl@0: 	CleanupStack::Pop(encryptor);
sl@0: 	RWriteStream::Attach(&iFilter);
sl@0:     }
sl@0: 
sl@0: EXPORT_C void REncryptStream::OpenLC(RWriteStream& aHost,const CPBEncryptionBase& aKey)
sl@0: /**
sl@0: Open an encrypting write stream over aHost.
sl@0: Prepares the target stream owned by the specified write stream interface object for 
sl@0: writing through an encrypting filter and puts a cleanup item onto the cleanup stack.
sl@0: @publishedPartner
sl@0: @leave KErrNoMemory
sl@0: @param aHost The write stream interface object for the target stream. The function does not take ownership of the target stream.
sl@0: @param aKey A Password Based Encryption object for encryption handling.
sl@0: */
sl@0: 	{
sl@0: 	OpenL(aHost,aKey);
sl@0: 	PushL();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void REncryptStream::AttachL(RWriteStream& aHost,const CPBEncryptionBase& aKey)
sl@0: /**
sl@0: Attach an encrypting write stream to aHost.
sl@0: Takes ownership of the target stream owned by the specified write stream interface object, 
sl@0: and prepares the stream for writing through an encrypting filter.
sl@0: @publishedPartner
sl@0: @leave KErrNoMemory
sl@0: @param aHost The write stream interface object for the target stream
sl@0: @param aKey A Password Based Encryption object for encryption handling.
sl@0: */
sl@0: 	{
sl@0: 	AttachLC(aHost,aKey);
sl@0: 	CleanupStack::Pop();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void REncryptStream::AttachLC(RWriteStream& aHost,const CPBEncryptionBase& aKey)
sl@0: /**
sl@0: Attach an encrypting write stream to aHost.
sl@0: Takes ownership of the target stream owned by the specified write stream interface object, 
sl@0: prepares the stream for writing through an encrypting filter, and puts a cleanup item onto the cleanup stack.
sl@0: @publishedPartner
sl@0: @leave KErrNoMemory
sl@0: @param aHost The write stream interface object for the target stream
sl@0: @param aKey A Password Based Encryption object for encryption handling.
sl@0: */
sl@0: 	{
sl@0: 	MStreamBuf* host=aHost.Sink();
sl@0: 	aHost=RWriteStream();
sl@0: 	RWriteStream::Attach(host);		// initial cleanup via this
sl@0: 	PushL();
sl@0: 
sl@0: 	CPBEncryptor* encryptor = aKey.NewEncryptLC();
sl@0: 	iFilter.SetL(host,encryptor,iFilter.EWrite|iFilter.EAttached);
sl@0: 	CleanupStack::Pop(encryptor);
sl@0: 	
sl@0: 	RWriteStream::Attach(&iFilter);
sl@0: 	}
sl@0: 
sl@0: /////////////////////////////////////////////////////////////////////////
sl@0: // PBE data methods that depend on store, prevents static dependency
sl@0: /////////////////////////////////////////////////////////////////////////
sl@0: 
sl@0: // CPBEncryptionData
sl@0: 
sl@0: // HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
sl@0: // This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
sl@0: CPBEncryptionData::CPBEncryptionData(void)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: // HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
sl@0: // This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
sl@0: CPBEncryptionData::~CPBEncryptionData(void)
sl@0: 	{
sl@0: 	delete iParms;
sl@0: 	delete iAuth;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPBEncryptionData* CPBEncryptionData::NewL(RReadStream& aStream)
sl@0: 	{
sl@0: 	CPBEncryptionData* self = NewLC(aStream);
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPBEncryptionData* CPBEncryptionData::NewLC(RReadStream& aStream)
sl@0: 	{
sl@0: 	CPBEncryptionData* self = new(ELeave)CPBEncryptionData();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aStream);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: void CPBEncryptionData::ConstructL(RReadStream& aStream)
sl@0: 	{
sl@0: 	iAuth = CPBAuthData::NewL(aStream);
sl@0: 	iParms = CPBEncryptParms::NewL(aStream);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CPBEncryptionData::ExternalizeL(RWriteStream& aStream) const
sl@0: 	{
sl@0: 	iAuth->ExternalizeL(aStream);
sl@0: 	iParms->ExternalizeL(aStream);
sl@0: 	}
sl@0: 
sl@0: // CPBEncryptParms
sl@0: 
sl@0: // HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
sl@0: // This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
sl@0: CPBEncryptParms::CPBEncryptParms()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: // HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
sl@0: // This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
sl@0: CPBEncryptParms::~CPBEncryptParms()
sl@0: 	{
sl@0: #ifdef SYMBIAN_PKCS12
sl@0: 	delete iData;
sl@0: #endif	// #ifdef SYMBIAN_PKCS12
sl@0: 	delete iSalt;
sl@0: 	delete iIV;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPBEncryptParms* CPBEncryptParms::NewL(RReadStream& aStream)
sl@0: 	{
sl@0: 	CPBEncryptParms* self = NewLC(aStream);
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPBEncryptParms* CPBEncryptParms::NewLC(RReadStream& aStream)
sl@0: 	{
sl@0: 	CPBEncryptParms* self = new(ELeave)CPBEncryptParms();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aStream);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: #ifdef SYMBIAN_PKCS12
sl@0: 
sl@0: void CPBEncryptParms::ConstructL(RReadStream& aStream) 
sl@0: 	{
sl@0: 	iData = new(ELeave) TParamsData;
sl@0: 	
sl@0: 	TCardinality cipher;
sl@0: 	aStream >> cipher;
sl@0: 	TInt32 cipherInt32 = (TInt32) cipher;
sl@0: 	iData->iCipher = (TPBECipher)(cipherInt32 & ~KBit16);
sl@0: 	
sl@0: 	// if bit 16 of the stored cipher is set, then a KDF
sl@0: 	// follows.  (This preserves data compatability.)
sl@0: 	if ((cipherInt32 & KBit16) == 0)
sl@0: 		iData->iKdf = EKdfPkcs5;
sl@0: 	else
sl@0: 		{
sl@0: 		TInt32 kdf;
sl@0: 		aStream >> kdf;
sl@0: 		iData->iKdf = (TKdf) kdf;
sl@0: 		}
sl@0: 
sl@0: 	iSalt = HBufC8::NewL(aStream, KMaxTInt);
sl@0: 
sl@0: 	TCardinality iterations;
sl@0: 	aStream >> iterations;
sl@0: 	iIterations = iterations;
sl@0: 
sl@0: 	iIV = HBufC8::NewL(aStream, KMaxTInt);
sl@0: 	}
sl@0: 
sl@0: #else
sl@0: 
sl@0: void CPBEncryptParms::ConstructL(RReadStream& aStream) 
sl@0: 	{
sl@0: 	TCardinality cipher;
sl@0: 	aStream >> cipher;
sl@0: 	iCipher = (TPBECipher)((TUint)(cipher));
sl@0: 
sl@0: 	iSalt = HBufC8::NewL(aStream, KMaxTInt);
sl@0: 
sl@0: 	TCardinality iterations;
sl@0: 	aStream >> iterations;
sl@0: 	iIterations = iterations;
sl@0: 
sl@0: 	iIV = HBufC8::NewL(aStream, KMaxTInt);
sl@0: 	}
sl@0: 
sl@0: #endif	// #else #ifdef SYMBIAN_PKCS12
sl@0: 
sl@0: #ifdef SYMBIAN_PKCS12
sl@0: 
sl@0: EXPORT_C void CPBEncryptParms::ExternalizeL(RWriteStream& aStream) const
sl@0: 	{
sl@0: 	TUint32 cipherInt32 = iData->iCipher;
sl@0: 	if (iData->iKdf != EKdfPkcs5)
sl@0: 		cipherInt32 |= KBit16;
sl@0: 	aStream << TCardinality(cipherInt32);
sl@0: 	
sl@0: 	if (iData->iKdf != EKdfPkcs5)
sl@0: 		aStream << (TInt32) iData->iKdf;
sl@0: 	
sl@0: 	aStream << *iSalt;
sl@0: 	aStream << TCardinality(iIterations);
sl@0: 	aStream << *iIV;
sl@0: 	}
sl@0: 
sl@0: #else
sl@0: 
sl@0: EXPORT_C void CPBEncryptParms::ExternalizeL(RWriteStream& aStream) const
sl@0: 	{
sl@0: 	aStream << TCardinality((TUint)iCipher);
sl@0: 	aStream << *iSalt;
sl@0: 	aStream << TCardinality(iIterations);
sl@0: 	aStream << *iIV;
sl@0: 	}
sl@0: 
sl@0: #endif	// #else #ifdef SYMBIAN_PKCS12
sl@0: 
sl@0: // CPBAuthData
sl@0: 
sl@0: // HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
sl@0: // This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
sl@0: CPBAuthData::CPBAuthData()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: // HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
sl@0: // This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
sl@0: CPBAuthData::~CPBAuthData()
sl@0: 	{
sl@0: 	delete iAuthKey;
sl@0: 	delete iSalt;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPBAuthData* CPBAuthData::NewL(RReadStream& aStream)
sl@0: 	{
sl@0: 	CPBAuthData* self = NewLC(aStream);
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPBAuthData* CPBAuthData::NewLC(RReadStream& aStream)
sl@0: 	{
sl@0: 	CPBAuthData* self = new(ELeave)CPBAuthData();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aStream);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: void CPBAuthData::ConstructL(RReadStream& aStream)
sl@0: 	{
sl@0: 	iAuthKey = HBufC8::NewL(aStream, KMaxTInt);
sl@0: 	iSalt = HBufC8::NewL(aStream, KMaxTInt);
sl@0: 	TCardinality iterations;
sl@0: 	aStream >> iterations;
sl@0: 	iIterations = iterations;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CPBAuthData::ExternalizeL(RWriteStream& aStream) const
sl@0: 	{
sl@0: 	aStream << *iAuthKey;
sl@0: 	aStream << *iSalt;
sl@0: 	aStream << TCardinality(iIterations);
sl@0: 	}