--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayerprotocols/pppnif/SPPP/chapmd5.cpp	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,121 @@
+// Copyright (c) 2003-2009 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:
+// Authentication Protocol with MD5 (CHAP with MD5) - RFC 1994.
+// 
+//
+
+/**
+ @file
+ @brief Source file for the implementation of PPP Challenge Handshake
+ @internalComponent
+*/
+
+#include "chapmd5.h"
+// use CMD5
+#include <hash.h>
+#include "PPPConfig.h"
+
+CPppChapMd5::CPppChapMd5()
+/**
+   Constructor. 
+   @internalComponent
+*/
+	{
+	}
+
+CPppChapMd5::~CPppChapMd5()
+/**
+   Destructor.
+   @internalComponent
+*/
+	{
+#ifdef _UNICODE
+	delete iUserName;
+#endif
+
+	delete iMd5;
+	}
+
+
+void CPppChapMd5::InitL(CPppLcp* aLcp)
+/**
+   @copydoc CPppChap::InitL(CPppLcp*)
+   @see CPppChap::InitL(CPppLcp*)
+   @internalComponent
+*/
+	{
+	CPppChap::InitL(aLcp);
+	iMd5 = CMD5::NewL();
+	}
+
+
+void CPppChapMd5::MakeResponseL(TUint8 /*aChallengeId*/, 
+				const TDesC8& aChallengeValue, 
+				TPtrC8& aResponseValue, 
+				TPtrC8& aResponseName)
+/**
+   @copydoc CPppChap::MakeResponseL(TUint8, const TDesC8&, TPtrC8&,
+   TPtrC8&)
+   @see CPppChap::MakeResponseL(TUint8, const TDesC8&, TPtrC8&,
+   TPtrC8&)
+   @internalComponent
+*/
+	{
+	ASSERT(aChallengeValue.Length() >= KPppChapMinValueSize);
+
+    const CCredentialsConfig* credentials = iPppLcp->GetCredentials();
+	const TDesC& username = credentials->GetUserName();
+
+	__ASSERT_ALWAYS(username.Length() <= 
+				KMaxTInt16 - 
+				KPppChapCodeFieldSize -
+				KPppChapIdFieldSize - 
+				KPppChapLengthFieldSize -
+				KPppChapValueSizeFieldSize -
+				aResponseValue.Length(), 
+			User::Leave(KErrTooBig));
+
+#ifdef _UNICODE
+	delete iUserName;
+	iUserName=0;
+	iUserName = HBufC8::NewL(username.Length());
+	iUserName->Des().Copy(username);
+ 	aResponseName.Set(*iUserName);
+
+	const TDesC& pwd=credentials->GetPassword();
+	HBufC8& password = *HBufC8::NewLC(pwd.Length());
+ 	password.Des().Copy(pwd);
+#else //! _UNICODE
+	aResponseName.Set(username);
+	const TDesC& password = credentials->GetPassword();
+#endif //! _UNICODE
+
+	iMd5->Update(TPtrC8(&iCurrentId, KPppChapIdFieldSize));
+	iMd5->Update(password);
+	aResponseValue.Set(iMd5->Final(aChallengeValue));
+
+#ifdef _UNICODE
+	CleanupStack::PopAndDestroy(&password);
+#endif // _UNICODE
+
+	ASSERT(aResponseValue.Length() == KPppChapMd5ValueSize);
+	ASSERT(aResponseName.Length() >= KPppChapMinNameSize &&
+		   aResponseName.Length() <= 
+		   KMaxTInt16 - 
+		   KPppChapCodeFieldSize -
+		   KPppChapIdFieldSize - 
+		   KPppChapLengthFieldSize -
+		   KPppChapValueSizeFieldSize -
+		   aResponseValue.Length());
+	}