crypto/weakcrypto/source/padding/pkcs7.cpp
branchRCL_3
changeset 62 a71299154b21
parent 61 641f389e9157
child 63 94225563cd41
--- a/crypto/weakcrypto/source/padding/pkcs7.cpp	Tue Aug 31 17:00:08 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,89 +0,0 @@
-/*
-* 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 the License "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 <e32base.h>
-#include <padding.h>
-#include <securityerr.h>
-#include <cryptopanic.h>
-
-/* CPaddingPKCS7 */
-EXPORT_C CPaddingPKCS7* CPaddingPKCS7::NewL(TInt aBlockBytes)
-	{
-	__ASSERT_ALWAYS(aBlockBytes > 0, User::Leave(KErrArgument));
-	return new(ELeave)CPaddingPKCS7(aBlockBytes);
-	}
-
-EXPORT_C CPaddingPKCS7* CPaddingPKCS7::NewLC(TInt aBlockBytes)
-	{
-	CPaddingPKCS7* self = CPaddingPKCS7::NewL(aBlockBytes);
-	CleanupStack::PushL(self);
-	return self;
-	}
-
-EXPORT_C CPaddingPKCS7::CPaddingPKCS7(TInt aBlockBytes):CPadding(aBlockBytes)
-	{
-	}
-
-void CPaddingPKCS7::DoPadL(const TDesC8& aInput,TDes8& aOutput)
-	{
-	TInt paddingBytes = BlockSize()-(aInput.Length()%BlockSize());		
-	aOutput.Append(aInput);
-	aOutput.SetLength(aOutput.Length()+paddingBytes);
-	for (TInt i=1;i<=paddingBytes;i++)
-		{
-		aOutput[aOutput.Length()-i]=(TUint8)(paddingBytes);
-		}
-	}
-
-void CPaddingPKCS7::UnPadL(const TDesC8& aInput,TDes8& aOutput)
-	{
-	TUint inputLen = aInput.Length();
- 	TUint paddingLen = (TUint)(aInput[inputLen - 1]);
-
-	if (paddingLen > inputLen)
- 		{
- 		User::Leave(KErrInvalidPadding);
- 		}
-   
-	TInt outlen = aInput.Length() - paddingLen;
-
-	__ASSERT_DEBUG(aOutput.MaxLength() >= outlen, User::Panic(KCryptoPanic, ECryptoPanicOutputDescriptorOverflow));
-
-	aOutput.Append(aInput.Left(outlen));
-	for (TInt i=outlen;i<inputLen;i++)
-		{
-		//All padding bytes must equal the length of padding expected
-		if (aInput[i]!=paddingLen)
-			{
-			User::Leave(KErrInvalidPadding);
-			}
-		}
-	}
-
-TInt CPaddingPKCS7::MinPaddingLength(void) const
-	{
-	//if aInputBytes is 1 less than the blocksize then we get 1 byte of padding
-	return 1;
-	}
-
-TInt CPaddingPKCS7::MaxPaddedLength(TInt aInputBytes) const
-	{
-	TUint padBytes = BlockSize() - (aInputBytes % BlockSize());
-	return padBytes + aInputBytes;
-	}
-