diff -r 491b3ed49290 -r 65326cf895ed deviceencryption/DevEncUi/src/DevEncUiFileManager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/deviceencryption/DevEncUi/src/DevEncUiFileManager.cpp	Wed Sep 01 12:31:07 2010 +0100
@@ -0,0 +1,176 @@
+/*
+* Copyright (c) 2005 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:  Implementation of CDevEncUiFileManager.
+*
+*/
+
+#include "DevEncLog.h"
+#include "DevEncUids.hrh"
+#include "DevEncUiFileManager.h"
+
+#include <pathinfo.h>
+#include <s32file.h>
+#include <s32std.h>
+
+// --------------------------------------------------------------------------
+// CDevEncUiFileManager::CDevEncUiFileManager()
+//
+// --------------------------------------------------------------------------
+void CDevEncUiFileManager::ConstructL()
+    {
+    User::LeaveIfError( iFs.Connect() );
+    }
+
+// --------------------------------------------------------------------------
+// CDevEncUiFileManager::CDevEncUiFileManager()
+//
+// --------------------------------------------------------------------------
+CDevEncUiFileManager::~CDevEncUiFileManager()
+    {
+    iFs.Close();
+    }
+
+// --------------------------------------------------------------------------
+// CDevEncUiFileManager::SaveKeyL()
+//
+// --------------------------------------------------------------------------
+void CDevEncUiFileManager::SaveKeyL( CFileStore* aStore,
+                                     const TDesC8& aPkcs5Key ) const
+    {
+    RStoreWriteStream write;
+    
+    aStore->SetTypeL( aStore->Layout() );
+    
+    //write the encryption key to a new stream
+    write.CreateLC( *aStore );
+    write << aPkcs5Key;
+    write.CommitL();
+    CleanupStack::PopAndDestroy(); //CreateLC()
+
+    aStore->Commit();
+    }
+
+// --------------------------------------------------------------------------
+// CDevEncUiFileManager::LoadKeyL()
+//
+// --------------------------------------------------------------------------
+void CDevEncUiFileManager::LoadKeyL( const TFileName& aFileName,
+                                     HBufC8*& aPkcs5Key )
+    {
+    DFLOG2( "CDevEncUiFileManager::LoadKeyL Filename %S", &aFileName );
+    //prepare to read the streams back in, creating a new TPBEncryptionData
+    RStoreReadStream read;
+     
+    // open the next PFS
+    CFileStore *store = CPermanentFileStore::OpenLC( iFs,
+                                                     aFileName,
+                                                     EFileRead );
+    
+    DFLOG("CPermanentFileStore::OpenLC passed");
+    
+    TStreamId dataStreamId( 1 ); // we know it was the first stream written
+    read.OpenLC( *store, dataStreamId );
+    DFLOG("RStoreReadStream::OpenLC passed");
+    //read in Encryption key
+    aPkcs5Key = HBufC8::NewL( read, KMaxTInt );
+    DFLOG("HBufC8::NewL passed");
+    CleanupStack::Pop(); // read
+    read.Close();
+    CleanupStack::PopAndDestroy( store );
+    }
+
+// --------------------------------------------------------------------------
+// CDevEncUiFileManager::OpenFileStore()
+//
+// --------------------------------------------------------------------------
+TInt CDevEncUiFileManager::OpenFileStore( const TDesC& aFilename,
+                                          CFileStore*& aStore )
+    {
+    // Leaves with KErrAlreadyExists if file exists from before
+    TInt error( KErrNone );
+    CFileStore* store( NULL );
+    TRAP( error, store = CPermanentFileStore::CreateL( iFs,
+                                                aFilename,
+                                                EFileRead | EFileWrite ) );
+    if ( !error )
+        {
+        aStore = store;
+        }
+    return error;
+    }
+
+// --------------------------------------------------------------------------
+// CDevEncUiFileManager::GetKeyListL()
+//
+// --------------------------------------------------------------------------
+void CDevEncUiFileManager::GetKeyListL( CDir*& aList )
+    {
+    // Construct file path
+    _LIT( KAsterisk, "*" );
+    _LIT( KDevEncKeyFileExtension, ".pk5");
+    
+    TBuf<KMaxFileName> filePath;
+    User::LeaveIfError( KeyFolder( filePath ) );
+    filePath.Append( KAsterisk );
+    filePath.Append( KDevEncKeyFileExtension );
+    
+    TInt error = iFs.GetDir( filePath,
+                    KEntryAttNormal, // Any file, not hidden and system files
+                    ESortByName,
+                    aList );
+    if ( error )
+        {
+        DFLOG2( "Could not get dir listing, error %d", error );
+        User::Leave( error );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CDevEncUiFileManager::DriveToChar()
+//
+// --------------------------------------------------------------------------
+TInt CDevEncUiFileManager::DriveToChar( TInt aDrive, TChar &aChar )
+    {
+    return iFs.DriveToChar( aDrive, aChar );
+    }
+
+// --------------------------------------------------------------------------
+// CDevEncUiFileManager::KeyFolder()
+//
+// --------------------------------------------------------------------------
+TInt CDevEncUiFileManager::KeyFolder( TDes& aResult )
+    {
+    DFLOG("KeyFolder()");
+    TInt result( KErrNone );
+    if ( !result )
+        {
+        DFLOG("1st Append");
+        aResult.Append( PathInfo::PhoneMemoryRootPath() );
+        DFLOG("2nd Append");
+        aResult.Append( PathInfo::OthersPath() );
+        }
+    DFLOG2( "CDevEncUiFileManager::KeyFolder %S", &aResult );
+    return result;
+    }
+
+// --------------------------------------------------------------------------
+// CDevEncUiFileManager::RemountMmc()
+//
+// --------------------------------------------------------------------------
+TInt CDevEncUiFileManager::RemountMmc()
+    {
+    return iFs.RemountDrive( /*EDriveE*/EDriveF );
+    }
+
+// End of file