--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/store/UCRYPT/UE_STRM.CPP	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,378 @@
+// Copyright (c) 1998-2009 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 "UE_STD.H"
+
+#include <pbe.h>
+
+#define PBEDATA_NO_EXPORTED_CONSTRUCTORS
+#include <pbedata.h>
+
+
+
+
+
+EXPORT_C void RDecryptStream::OpenL(RReadStream& aHost,const CPBEncryptionBase& aKey)
+/**
+Open a decrypting read stream to aHost.
+Prepares the source stream owned by the specified read stream interface object for 
+reading through a decrypting filter.
+@publishedPartner
+@leave KErrNoMemory
+@param aHost The read stream interface object for the source stream. 
+This function does not take ownership of the source stream.
+@param aKey A Password Based Encryption object for encryption handling.
+*/
+	{
+	CPBDecryptor* decryptor = aKey.NewDecryptLC();
+	iFilter.SetL(aHost.Source(),decryptor,iFilter.ERead);
+	CleanupStack::Pop(decryptor);
+	RReadStream::Attach(&iFilter);
+	}
+
+EXPORT_C void RDecryptStream::OpenLC(RReadStream& aHost,const CPBEncryptionBase& aKey)
+/**
+Open a decrypting read stream to aHost.
+Prepares the source stream owned by the specified read stream interface object for 
+reading through a decrypting filter, and puts a cleanup item onto the cleanup stack.
+@publishedPartner
+@leave KErrNoMemory
+@param aHost The read stream interface object for the source stream. 
+This function does not take ownership of the source stream.
+@param aKey A Password Based Encryption object for encryption handling.
+*/	
+{
+	OpenL(aHost,aKey);
+	PushL();
+	}
+
+EXPORT_C void RDecryptStream::AttachL(RReadStream& aHost,const CPBEncryptionBase& aKey)
+/**
+Attach a decrypting read stream to aHost.
+Takes ownership of the source stream owned by the specified read stream interface object, 
+and prepares the stream for reading through a decrypting filter.
+@publishedPartner
+@leave KErrNoMemory
+@param aHost The read stream interface object for the source stream.
+@param aKey A Password Based Encryption object for encryption handling.
+*/	{
+	AttachLC(aHost,aKey);
+	CleanupStack::Pop();
+	}
+
+EXPORT_C void RDecryptStream::AttachLC(RReadStream& aHost,const CPBEncryptionBase& aKey)
+/**
+Attach a decrypting read stream to aHost.
+Takes ownership of the source stream owned by the specified read stream interface object, 
+prepares the stream for reading through a decrypting filter, and puts a cleanup item onto the cleanup stack.
+@publishedPartner
+@leave KErrNoMemory
+@param aHost The read stream interface object for the source stream.
+@param aKey A Password Based Encryption object for encryption handling.
+*/	{
+	MStreamBuf* host=aHost.Source();
+	aHost=RReadStream();
+	RReadStream::Attach(host);		// initial cleanup via this
+	PushL();
+
+	CPBDecryptor* decryptor = aKey.NewDecryptLC();
+	iFilter.SetL(host,decryptor,iFilter.ERead|iFilter.EAttached);
+	CleanupStack::Pop(decryptor);
+	
+	RReadStream::Attach(&iFilter);
+	}
+
+//////////////////////////////////////////////////////////////////////////////
+
+
+
+
+
+EXPORT_C void REncryptStream::OpenL(RWriteStream& aHost,const CPBEncryptionBase& aKey)
+/**
+Open an encrypting write stream over aHost.
+Prepares the target stream owned by the specified write stream interface object for 
+writing through an encrypting filter.
+@publishedPartner
+@leave KErrNoMemory
+@param aHost The write stream interface object for the target stream. The function does not take ownership of the target stream.
+@param aKey A Password Based Encryption object for encryption handling.
+*/
+	{
+	CPBEncryptor* encryptor = aKey.NewEncryptLC();
+	iFilter.SetL(aHost.Sink(),encryptor,iFilter.EWrite);
+	CleanupStack::Pop(encryptor);
+	RWriteStream::Attach(&iFilter);
+    }
+
+EXPORT_C void REncryptStream::OpenLC(RWriteStream& aHost,const CPBEncryptionBase& aKey)
+/**
+Open an encrypting write stream over aHost.
+Prepares the target stream owned by the specified write stream interface object for 
+writing through an encrypting filter and puts a cleanup item onto the cleanup stack.
+@publishedPartner
+@leave KErrNoMemory
+@param aHost The write stream interface object for the target stream. The function does not take ownership of the target stream.
+@param aKey A Password Based Encryption object for encryption handling.
+*/
+	{
+	OpenL(aHost,aKey);
+	PushL();
+	}
+
+EXPORT_C void REncryptStream::AttachL(RWriteStream& aHost,const CPBEncryptionBase& aKey)
+/**
+Attach an encrypting write stream to aHost.
+Takes ownership of the target stream owned by the specified write stream interface object, 
+and prepares the stream for writing through an encrypting filter.
+@publishedPartner
+@leave KErrNoMemory
+@param aHost The write stream interface object for the target stream
+@param aKey A Password Based Encryption object for encryption handling.
+*/
+	{
+	AttachLC(aHost,aKey);
+	CleanupStack::Pop();
+	}
+
+EXPORT_C void REncryptStream::AttachLC(RWriteStream& aHost,const CPBEncryptionBase& aKey)
+/**
+Attach an encrypting write stream to aHost.
+Takes ownership of the target stream owned by the specified write stream interface object, 
+prepares the stream for writing through an encrypting filter, and puts a cleanup item onto the cleanup stack.
+@publishedPartner
+@leave KErrNoMemory
+@param aHost The write stream interface object for the target stream
+@param aKey A Password Based Encryption object for encryption handling.
+*/
+	{
+	MStreamBuf* host=aHost.Sink();
+	aHost=RWriteStream();
+	RWriteStream::Attach(host);		// initial cleanup via this
+	PushL();
+
+	CPBEncryptor* encryptor = aKey.NewEncryptLC();
+	iFilter.SetL(host,encryptor,iFilter.EWrite|iFilter.EAttached);
+	CleanupStack::Pop(encryptor);
+	
+	RWriteStream::Attach(&iFilter);
+	}
+
+/////////////////////////////////////////////////////////////////////////
+// PBE data methods that depend on store, prevents static dependency
+/////////////////////////////////////////////////////////////////////////
+
+// CPBEncryptionData
+
+// HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
+// This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
+CPBEncryptionData::CPBEncryptionData(void)
+	{
+	}
+
+// HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
+// This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
+CPBEncryptionData::~CPBEncryptionData(void)
+	{
+	delete iParms;
+	delete iAuth;
+	}
+
+EXPORT_C CPBEncryptionData* CPBEncryptionData::NewL(RReadStream& aStream)
+	{
+	CPBEncryptionData* self = NewLC(aStream);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+EXPORT_C CPBEncryptionData* CPBEncryptionData::NewLC(RReadStream& aStream)
+	{
+	CPBEncryptionData* self = new(ELeave)CPBEncryptionData();
+	CleanupStack::PushL(self);
+	self->ConstructL(aStream);
+	return self;
+	}
+
+void CPBEncryptionData::ConstructL(RReadStream& aStream)
+	{
+	iAuth = CPBAuthData::NewL(aStream);
+	iParms = CPBEncryptParms::NewL(aStream);
+	}
+
+EXPORT_C void CPBEncryptionData::ExternalizeL(RWriteStream& aStream) const
+	{
+	iAuth->ExternalizeL(aStream);
+	iParms->ExternalizeL(aStream);
+	}
+
+// CPBEncryptParms
+
+// HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
+// This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
+CPBEncryptParms::CPBEncryptParms()
+	{
+	}
+
+// HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
+// This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
+CPBEncryptParms::~CPBEncryptParms()
+	{
+#ifdef SYMBIAN_PKCS12
+	delete iData;
+#endif	// #ifdef SYMBIAN_PKCS12
+	delete iSalt;
+	delete iIV;
+	}
+
+EXPORT_C CPBEncryptParms* CPBEncryptParms::NewL(RReadStream& aStream)
+	{
+	CPBEncryptParms* self = NewLC(aStream);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+EXPORT_C CPBEncryptParms* CPBEncryptParms::NewLC(RReadStream& aStream)
+	{
+	CPBEncryptParms* self = new(ELeave)CPBEncryptParms();
+	CleanupStack::PushL(self);
+	self->ConstructL(aStream);
+	return self;
+	}
+
+#ifdef SYMBIAN_PKCS12
+
+void CPBEncryptParms::ConstructL(RReadStream& aStream) 
+	{
+	iData = new(ELeave) TParamsData;
+	
+	TCardinality cipher;
+	aStream >> cipher;
+	TInt32 cipherInt32 = (TInt32) cipher;
+	iData->iCipher = (TPBECipher)(cipherInt32 & ~KBit16);
+	
+	// if bit 16 of the stored cipher is set, then a KDF
+	// follows.  (This preserves data compatability.)
+	if ((cipherInt32 & KBit16) == 0)
+		iData->iKdf = EKdfPkcs5;
+	else
+		{
+		TInt32 kdf;
+		aStream >> kdf;
+		iData->iKdf = (TKdf) kdf;
+		}
+
+	iSalt = HBufC8::NewL(aStream, KMaxTInt);
+
+	TCardinality iterations;
+	aStream >> iterations;
+	iIterations = iterations;
+
+	iIV = HBufC8::NewL(aStream, KMaxTInt);
+	}
+
+#else
+
+void CPBEncryptParms::ConstructL(RReadStream& aStream) 
+	{
+	TCardinality cipher;
+	aStream >> cipher;
+	iCipher = (TPBECipher)((TUint)(cipher));
+
+	iSalt = HBufC8::NewL(aStream, KMaxTInt);
+
+	TCardinality iterations;
+	aStream >> iterations;
+	iIterations = iterations;
+
+	iIV = HBufC8::NewL(aStream, KMaxTInt);
+	}
+
+#endif	// #else #ifdef SYMBIAN_PKCS12
+
+#ifdef SYMBIAN_PKCS12
+
+EXPORT_C void CPBEncryptParms::ExternalizeL(RWriteStream& aStream) const
+	{
+	TUint32 cipherInt32 = iData->iCipher;
+	if (iData->iKdf != EKdfPkcs5)
+		cipherInt32 |= KBit16;
+	aStream << TCardinality(cipherInt32);
+	
+	if (iData->iKdf != EKdfPkcs5)
+		aStream << (TInt32) iData->iKdf;
+	
+	aStream << *iSalt;
+	aStream << TCardinality(iIterations);
+	aStream << *iIV;
+	}
+
+#else
+
+EXPORT_C void CPBEncryptParms::ExternalizeL(RWriteStream& aStream) const
+	{
+	aStream << TCardinality((TUint)iCipher);
+	aStream << *iSalt;
+	aStream << TCardinality(iIterations);
+	aStream << *iIV;
+	}
+
+#endif	// #else #ifdef SYMBIAN_PKCS12
+
+// CPBAuthData
+
+// HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
+// This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
+CPBAuthData::CPBAuthData()
+	{
+	}
+
+// HPRE-5TDFK2: Remove Store/estor.dll dependency on Cryptography/pbe.dll
+// This method is DUPLICATED in common/generic/security/crypto/source/pbe/pbedata.cpp
+CPBAuthData::~CPBAuthData()
+	{
+	delete iAuthKey;
+	delete iSalt;
+	}
+
+EXPORT_C CPBAuthData* CPBAuthData::NewL(RReadStream& aStream)
+	{
+	CPBAuthData* self = NewLC(aStream);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+EXPORT_C CPBAuthData* CPBAuthData::NewLC(RReadStream& aStream)
+	{
+	CPBAuthData* self = new(ELeave)CPBAuthData();
+	CleanupStack::PushL(self);
+	self->ConstructL(aStream);
+	return self;
+	}
+
+void CPBAuthData::ConstructL(RReadStream& aStream)
+	{
+	iAuthKey = HBufC8::NewL(aStream, KMaxTInt);
+	iSalt = HBufC8::NewL(aStream, KMaxTInt);
+	TCardinality iterations;
+	aStream >> iterations;
+	iIterations = iterations;
+	}
+
+EXPORT_C void CPBAuthData::ExternalizeL(RWriteStream& aStream) const
+	{
+	aStream << *iAuthKey;
+	aStream << *iSalt;
+	aStream << TCardinality(iIterations);
+	}