--- a/crypto/weakcrypto/source/asymmetric/rsadecryptor.cpp Tue Aug 31 17:00:08 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,98 +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 <asymmetric.h>
-#include <asymmetrickeys.h>
-#include <bigint.h>
-#include <cryptostrength.h>
-#include <securityerr.h>
-#include <cryptopanic.h>
-#include "rsafunction.h"
-
-/* CRSAPKCS1v15Decryptor */
-
-EXPORT_C CRSAPKCS1v15Decryptor* CRSAPKCS1v15Decryptor::NewL(
- const CRSAPrivateKey& aKey)
- {
- CRSAPKCS1v15Decryptor* self = NewLC(aKey);
- CleanupStack::Pop(self);
- return self;
- }
-
-EXPORT_C CRSAPKCS1v15Decryptor* CRSAPKCS1v15Decryptor::NewLC(
- const CRSAPrivateKey& aKey)
- {
- CRSAPKCS1v15Decryptor* self = new(ELeave) CRSAPKCS1v15Decryptor(aKey);
- CleanupStack::PushL(self);
- self->ConstructL();
- return self;
- }
-
-TInt CRSAPKCS1v15Decryptor::MaxInputLength(void) const
- {
- return iPrivateKey.N().ByteCount();
- }
-
-TInt CRSAPKCS1v15Decryptor::MaxOutputLength(void) const
- {
- return MaxInputLength() - iPadding->MinPaddingLength();
- }
-
-void CRSAPKCS1v15Decryptor::DecryptL(const TDesC8& aInput,
- TDes8& aOutput)const
- {
- __ASSERT_DEBUG(aOutput.MaxLength() >= MaxOutputLength(), User::Panic(KCryptoPanic, ECryptoPanicOutputDescriptorOverflow));
- __ASSERT_DEBUG(aInput.Length() <= MaxInputLength(), User::Panic(KCryptoPanic, ECryptoPanicInputTooLarge));
-
- RInteger input = RInteger::NewL(aInput);
- CleanupStack::PushL(input);
-
- RInteger output;
-
- RSAFunction::DecryptL(iPrivateKey, input, output);
- CleanupStack::PushL(output);
-
- TPtrC8 ptr = *(output.BufferLC());
- iPadding->UnPadL(ptr, aOutput);
-
- CleanupStack::PopAndDestroy(3, &input); //BufferLC(), output, input
- }
-
-CRSAPKCS1v15Decryptor::CRSAPKCS1v15Decryptor(const CRSAPrivateKey& aKey)
- : iPrivateKey(aKey)
- {
- }
-
-void CRSAPKCS1v15Decryptor::ConstructL(void)
- {
- iPadding = CPaddingPKCS1Encryption::NewL(MaxInputLength());
-
- // Check if MaxInputLength() makes sense, if not the key length must
- // be too small
- if(MaxOutputLength() <= 0)
- {
- User::Leave(KErrKeySize);
- }
-
- TCrypto::IsAsymmetricWeakEnoughL(iPrivateKey.N().BitCount());
- }
-
-CRSAPKCS1v15Decryptor::~CRSAPKCS1v15Decryptor(void)
- {
- delete iPadding;
- }