os/security/cryptoplugins/cryptospiplugins/test/dummyecchwplugin/src/dummyeccimpl.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/security/cryptoplugins/cryptospiplugins/test/dummyecchwplugin/src/dummyeccimpl.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,189 @@
1.4 +/*
1.5 +* Copyright (c) 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 +#include "dummyeccimpl.h"
1.23 +
1.24 +#include <e32def.h>
1.25 +#include <cryptospi/cryptospidef.h>
1.26 +#include "keys.h"
1.27 +#include <cryptospi/plugincharacteristics.h>
1.28 +#include "pluginconfig.h"
1.29 +#include "cryptospihai.h"
1.30 +
1.31 +using namespace DummyEccHwCrypto;
1.32 +using namespace CryptoSpiHai;
1.33 +
1.34 +/**
1.35 + * These are just randomly selected numbers. There is no logic behind
1.36 + * their values.
1.37 + */
1.38 +const TInt KMaxOutputLength = 50;
1.39 +const TInt KMaxInputLength = 50;
1.40 +
1.41 +CDummyECCCipherImpl* CDummyECCCipherImpl::NewL(const CKey& aKey,
1.42 + TUid aCryptoMode, TUid aPaddingMode)
1.43 + {
1.44 + CDummyECCCipherImpl* self = CDummyECCCipherImpl::NewLC(aKey, aCryptoMode,
1.45 + aPaddingMode);
1.46 + CleanupStack::Pop(self);
1.47 + return self;
1.48 + }
1.49 +
1.50 +CDummyECCCipherImpl* CDummyECCCipherImpl::NewLC(const CKey& aKey,
1.51 + TUid aCryptoMode, TUid aPaddingMode)
1.52 + {
1.53 + CDummyECCCipherImpl* self = new (ELeave) CDummyECCCipherImpl(aCryptoMode,
1.54 + aPaddingMode);
1.55 + CleanupStack::PushL(self);
1.56 + self->ConstructL(aKey);
1.57 + return self;
1.58 + }
1.59 +
1.60 +CDummyECCCipherImpl::CDummyECCCipherImpl(TUid aCryptoMode, TUid aPaddingMode) :
1.61 + iCryptoMode(aCryptoMode), iPaddingMode(aPaddingMode)
1.62 + {
1.63 + }
1.64 +
1.65 +void CDummyECCCipherImpl::ConstructL(const CKey& aKey)
1.66 + {
1.67 + SetKeyL(aKey);
1.68 + }
1.69 +
1.70 +// MPlugin Interface Start
1.71 +void CDummyECCCipherImpl::Close()
1.72 + {
1.73 + delete this;
1.74 + }
1.75 +
1.76 +void CDummyECCCipherImpl::Reset()
1.77 + {
1.78 + }
1.79 +
1.80 +void CDummyECCCipherImpl::GetCharacteristicsL(
1.81 + const TCharacteristics*& aPluginCharacteristics)
1.82 + {
1.83 + TInt numCiphers = sizeof(KAsymmetricCipherCharacteristics)
1.84 + / sizeof(TAsymmetricCipherCharacteristics*);
1.85 + TInt32 implUid = ImplementationUid().iUid;
1.86 + for (TInt i = 0; i < numCiphers; ++i)
1.87 + {
1.88 + if (KAsymmetricCipherCharacteristics[i]->cmn.iImplementationUID
1.89 + == implUid)
1.90 + {
1.91 + aPluginCharacteristics = KAsymmetricCipherCharacteristics[i];
1.92 + break;
1.93 + }
1.94 + }
1.95 + }
1.96 +
1.97 +const CExtendedCharacteristics* CDummyECCCipherImpl::GetExtendedCharacteristicsL()
1.98 + {
1.99 + // All Symbian software plug-ins have unlimited concurrency, cannot be reserved
1.100 + // for exclusive use and are not CERTIFIED to be standards compliant.
1.101 + return CExtendedCharacteristics::NewL(KMaxTInt, EFalse);
1.102 + }
1.103 +
1.104 +TAny* CDummyECCCipherImpl::GetExtension(TUid /* aExtensionId */)
1.105 + {
1.106 + return 0;
1.107 + }
1.108 +// End of MPlugin Interface
1.109 +
1.110 +// MAsymmetricCipherBase Interface
1.111 +void CDummyECCCipherImpl::SetKeyL(const CKey& aKey)
1.112 + {
1.113 + // delete any previous key and recreate the key
1.114 + delete iKey;
1.115 + iKey = NULL;
1.116 + iKey = CKey::NewL(aKey);
1.117 + }
1.118 +
1.119 +void CDummyECCCipherImpl::SetCryptoModeL(TUid aCryptoMode)
1.120 + {
1.121 + switch (aCryptoMode.iUid)
1.122 + {
1.123 + case KCryptoModeEncrypt:
1.124 + case KCryptoModeDecrypt:
1.125 + break;
1.126 + default:
1.127 + User::Leave(KErrNotSupported);
1.128 + }
1.129 + iCryptoMode = aCryptoMode;
1.130 + }
1.131 +
1.132 +void CDummyECCCipherImpl::SetPaddingModeL(TUid /* aPaddingMode */)
1.133 + {
1.134 + User::Leave(KErrNotSupported);
1.135 + }
1.136 +
1.137 +TInt CDummyECCCipherImpl::GetMaximumInputLengthL() const
1.138 + {
1.139 + return KMaxInputLength;
1.140 + }
1.141 +
1.142 +TInt CDummyECCCipherImpl::GetMaximumOutputLengthL() const
1.143 + {
1.144 + return KMaxOutputLength;
1.145 + }
1.146 +// End of MAsymmetricCipherBase Interface
1.147 +
1.148 +// MAsymmetricCipher Interface
1.149 +void CDummyECCCipherImpl::ProcessL(const TDesC8& aInput, TDes8& aOutput)
1.150 + {
1.151 + if (iCryptoMode.iUid == KCryptoModeEncrypt)
1.152 + {
1.153 + EncryptL(aInput, aOutput);
1.154 + }
1.155 + else
1.156 + {
1.157 + DecryptL(aInput, aOutput);
1.158 + }
1.159 + }
1.160 +
1.161 +TUid CDummyECCCipherImpl::ImplementationUid() const
1.162 + {
1.163 + return KCryptoPluginEccCipherUid;
1.164 + }
1.165 +
1.166 +CDummyECCCipherImpl::~CDummyECCCipherImpl()
1.167 + {
1.168 + delete iKey;
1.169 + }
1.170 +
1.171 +void CDummyECCCipherImpl::EncryptL(const TDesC8& /* aInput */, TDes8& /* aOuput */)
1.172 + {
1.173 + User::Leave(KErrNotSupported);
1.174 + }
1.175 +
1.176 +void CDummyECCCipherImpl::DecryptL(const TDesC8& aInput, TDes8& aOutput)
1.177 + {
1.178 + if (iKey->IsPresent(KPassedHandleToKeyUid))
1.179 + {
1.180 + const TInt& keyHandle = iKey->GetTIntL(KPassedHandleToKeyUid);
1.181 +
1.182 + // Invoke the Spi HAI to perform the operation
1.183 + CCryptoSpiHai::DecryptL(keyHandle, aInput, aOutput);
1.184 + }
1.185 + else
1.186 + {
1.187 + User::Leave(KErrNotSupported);
1.188 + }
1.189 + }
1.190 +// End of file
1.191 +
1.192 +