1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/cryptoplugins/cryptospiplugins/test/h4drv/crypto_h4_plugin/rijndaelimpl.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,143 @@
     1.4 +/*
     1.5 +* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +*
    1.19 +*/
    1.20 +
    1.21 +
    1.22 +/**
    1.23 + @file
    1.24 + @internalComponent
    1.25 + @released
    1.26 +*/
    1.27 +#include "rijndaelimpl.h"
    1.28 +#include "keys.h"
    1.29 +#include "pluginconfig.h"
    1.30 +
    1.31 +using namespace HwCrypto;
    1.32 +
    1.33 +const TUint KAESKeyBytes128 = 16;
    1.34 +const TUint KAESKeyBytes192 = 24;
    1.35 +const TUint KAESKeyBytes256 = 32;
    1.36 +const TUint KAESBlockBytes = 16;
    1.37 +
    1.38 +_LIT(KLddFileName,"cryptoldd.ldd");
    1.39 +_LIT(KPddFileName,"crypto.h4.pdd");
    1.40 +
    1.41 +
    1.42 +/* CRijndaelmpl*/
    1.43 +CH4RijndaelImpl::CH4RijndaelImpl(
    1.44 +	TUid aCryptoMode,
    1.45 +	TUid aOperationMode,
    1.46 +	TUid aPadding) :
    1.47 +	CH4CipherImpl(KAESBlockBytes, aCryptoMode, aOperationMode, aPadding)
    1.48 +	{
    1.49 +	}
    1.50 +
    1.51 +CH4RijndaelImpl* CH4RijndaelImpl::NewL(const CKey& aKey, TUid aCryptoMode,	TUid aOperationMode, TUid aPadding)
    1.52 +	{
    1.53 +	CH4RijndaelImpl* self = CH4RijndaelImpl::NewLC(aKey, aCryptoMode, aOperationMode, aPadding);
    1.54 +	CleanupStack::Pop(self);
    1.55 +	return self;
    1.56 +	}
    1.57 +	
    1.58 +CH4RijndaelImpl* CH4RijndaelImpl::NewLC(const CKey& aKey, TUid aCryptoMode, TUid aOperationMode, TUid aPadding)
    1.59 +	{
    1.60 +	CH4RijndaelImpl* self = new(ELeave) CH4RijndaelImpl(aCryptoMode, aOperationMode, aPadding);
    1.61 +	CleanupStack::PushL(self);
    1.62 +	self->ConstructL(aKey);
    1.63 +	return self;
    1.64 +	}
    1.65 +		
    1.66 +CH4RijndaelImpl::~CH4RijndaelImpl()
    1.67 +	{
    1.68 +	iDriver.Close();
    1.69 +	}
    1.70 +	
    1.71 +void CH4RijndaelImpl::ConstructL(const CKey& aKey)
    1.72 +	{
    1.73 +	// Load PDD
    1.74 +    TInt r = User::LoadPhysicalDevice(KPddFileName);
    1.75 +	if((r != KErrNone) && (r != KErrAlreadyExists)) User::Leave(r);
    1.76 +
    1.77 +	// Load LDD
    1.78 +    r = User::LoadLogicalDevice(KLddFileName);
    1.79 +	if((r != KErrNone) && (r != KErrAlreadyExists)) User::Leave(r);
    1.80 +
    1.81 +
    1.82 +	CH4CipherImpl::ConstructL(aKey);			
    1.83 +	}
    1.84 +
    1.85 +TUid CH4RijndaelImpl::ImplementationUid() const
    1.86 +	{
    1.87 +	return KCryptoPluginAesUid;
    1.88 +	}
    1.89 +
    1.90 +const CExtendedCharacteristics* CH4RijndaelImpl::GetExtendedCharacteristicsL()
    1.91 +	{
    1.92 +	return StaticGetExtendedCharacteristicsL();
    1.93 +	}
    1.94 +
    1.95 +CExtendedCharacteristics* CH4RijndaelImpl::StaticGetExtendedCharacteristicsL()
    1.96 +	{
    1.97 +	// All Symbian software plug-ins have unlimited concurrency, cannot be reserved
    1.98 +	// for exclusive use and are not CERTIFIED to be standards compliant.
    1.99 +	return CExtendedCharacteristics::NewL(KMaxTInt, EFalse);
   1.100 +	}
   1.101 +
   1.102 +	
   1.103 +TBool CH4RijndaelImpl::IsValidKeyLength(TInt aKeyBytes) const
   1.104 +	{
   1.105 +	switch(aKeyBytes)
   1.106 +		{
   1.107 +		case KAESKeyBytes128:
   1.108 +		case KAESKeyBytes192:
   1.109 +		case KAESKeyBytes256:
   1.110 +			return ETrue;
   1.111 +		default:
   1.112 +			return EFalse;
   1.113 +		}			
   1.114 +	}
   1.115 +
   1.116 +void CH4RijndaelImpl::DoSetupL()
   1.117 +	{
   1.118 +	iDriver.Close();
   1.119 +	User::LeaveIfError(iDriver.Open());
   1.120 +
   1.121 +	TBool encrypt = (iCryptoMode.iUid == KCryptoModeEncrypt);
   1.122 +	RCryptoDriver::TChainingMode chainingMode = (iOperationMode.iUid == KOperationModeCBC) ? (RCryptoDriver::ECbcMode) : (RCryptoDriver::EEcbMode);
   1.123 +	User::LeaveIfError(iDriver.SetAesConfig(encrypt, chainingMode, iKey->Des(), iIv));
   1.124 +	}
   1.125 +
   1.126 +void CH4RijndaelImpl::DoWriteL(const TUint8* aBuffer, TUint aNumBytes)
   1.127 +	{
   1.128 +	TPtrC8 ptr(aBuffer, aNumBytes);
   1.129 +
   1.130 +    TRequestStatus status;
   1.131 +	iDriver.AesWrite(status, ptr);
   1.132 +	User::WaitForRequest(status);
   1.133 +	User::LeaveIfError(status.Int());
   1.134 +	}
   1.135 +
   1.136 +void CH4RijndaelImpl::DoReadL(TDes8 &aBuffer, TUint32 aLength)
   1.137 +	{
   1.138 +    TRequestStatus status;
   1.139 +	iDriver.AesRead(status, aBuffer, aLength);
   1.140 +	User::WaitForRequest(status);
   1.141 +	User::LeaveIfError(status.Int());
   1.142 +	}
   1.143 +
   1.144 +
   1.145 +	
   1.146 +// End of file