crypto/weakcryptospi/source/spi/cryptoasymmetriccipherapi.cpp
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     1 /*
       
     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: 
       
    15 * crypto asymmetric cipher API implementation
       
    16 * crypto asymmetric cipher API implementation
       
    17 *
       
    18 */
       
    19 
       
    20 
       
    21 /**
       
    22  @file
       
    23 */
       
    24 
       
    25 #include "cryptoasymmetriccipherapi.h"
       
    26 #include "asymmetriccipherplugin.h"
       
    27 #include "legacyselector.h"
       
    28 
       
    29 using namespace CryptoSpi;
       
    30 
       
    31 
       
    32 //
       
    33 // Implementation of Asymmetric Cipher base class
       
    34 //
       
    35 CAsymmetricCipherBase::CAsymmetricCipherBase(MAsymmetricCipherBase* aAsymmetricCipher, TInt aHandle)
       
    36 : CCryptoBase(aAsymmetricCipher, aHandle)
       
    37 	{
       
    38 	}
       
    39 	
       
    40 CAsymmetricCipherBase::~CAsymmetricCipherBase()
       
    41 	{		
       
    42 	}
       
    43 
       
    44 EXPORT_C void CAsymmetricCipherBase::SetKeyL(const CKey& aKey)
       
    45 	{
       
    46 	MAsymmetricCipherBase* ptr=static_cast<MAsymmetricCipherBase*>(iPlugin);
       
    47 	ptr->SetKeyL(aKey);		
       
    48 	}
       
    49 
       
    50 EXPORT_C void CAsymmetricCipherBase::SetCryptoModeL(TUid aCryptoMode)
       
    51 	{
       
    52 	MAsymmetricCipherBase* ptr=static_cast<MAsymmetricCipherBase*>(iPlugin);
       
    53 	ptr->SetCryptoModeL(aCryptoMode);		
       
    54 	}
       
    55 
       
    56 EXPORT_C void CAsymmetricCipherBase::SetPaddingModeL(TUid aPaddingMode)
       
    57 	{
       
    58 	MAsymmetricCipherBase* ptr=static_cast<MAsymmetricCipherBase*>(iPlugin);
       
    59 	ptr->SetPaddingModeL(aPaddingMode);
       
    60 	}
       
    61 
       
    62 EXPORT_C TInt CAsymmetricCipherBase::GetMaximumInputLengthL()
       
    63 	{
       
    64 	MAsymmetricCipherBase* ptr=static_cast<MAsymmetricCipherBase*>(iPlugin);
       
    65 	return ptr->GetMaximumInputLengthL();
       
    66 	}
       
    67 
       
    68 EXPORT_C TInt CAsymmetricCipherBase::GetMaximumOutputLengthL()
       
    69 	{
       
    70 	MAsymmetricCipherBase* ptr=static_cast<MAsymmetricCipherBase*>(iPlugin);
       
    71 	return ptr->GetMaximumOutputLengthL();				
       
    72 	}
       
    73 
       
    74 
       
    75 //
       
    76 // Implementation of Synchronous Asymmetric Cipher 
       
    77 //
       
    78 CAsymmetricCipher* CAsymmetricCipher::NewL(MAsymmetricCipher* aAsymmetricCipher, TInt aHandle)
       
    79 	{
       
    80 	CAsymmetricCipher* self=new(ELeave) CAsymmetricCipher(aAsymmetricCipher, aHandle);
       
    81 	return self;				
       
    82 	}
       
    83 
       
    84 CAsymmetricCipher::CAsymmetricCipher(MAsymmetricCipher* aAsymmetricCipher, TInt aHandle)
       
    85 : CAsymmetricCipherBase(aAsymmetricCipher, aHandle)
       
    86 	{
       
    87 	}
       
    88 
       
    89 EXPORT_C CAsymmetricCipher::~CAsymmetricCipher()
       
    90 	{
       
    91 	}
       
    92 
       
    93 EXPORT_C void CAsymmetricCipher::ProcessL(const TDesC8& aInput, TDes8& aOutput)
       
    94 	{
       
    95 	MAsymmetricCipher* ptr=static_cast<MAsymmetricCipher*>(iPlugin);
       
    96 	ptr->ProcessL(aInput, aOutput);						
       
    97 	}
       
    98 
       
    99 //
       
   100 // Implementation of Asymmetric Cipher Factory
       
   101 //
       
   102 EXPORT_C void CAsymmetricCipherFactory::CreateAsymmetricCipherL(CAsymmetricCipher*& aCipher,
       
   103 																TUid aAlgorithmUid,
       
   104 																const CKey& aKey,
       
   105 																TUid aCryptoMode,
       
   106 																TUid aPaddingMode,
       
   107 																const CCryptoParams* aAlgorithmParams)
       
   108 												
       
   109 	{
       
   110 	MPluginSelector* selector=reinterpret_cast<MPluginSelector *>(Dll::Tls());
       
   111 	if (selector)
       
   112 		{
       
   113 		selector->CreateAsymmetricCipherL(aCipher, aAlgorithmUid, aKey, aCryptoMode, aPaddingMode, aAlgorithmParams);
       
   114 		}
       
   115 	else
       
   116 		{
       
   117 		CLegacySelector* legacySelector=CLegacySelector::NewLC();
       
   118 		legacySelector->CreateAsymmetricCipherL(aCipher, aAlgorithmUid, aKey, aCryptoMode, aPaddingMode, aAlgorithmParams);
       
   119 		CleanupStack::PopAndDestroy(legacySelector); //legacySelector
       
   120 		}
       
   121 	}
       
   122 
       
   123 
       
   124 //
       
   125 // Implementation of Asynchronous Asymmetric Cipher 
       
   126 // (async methods not implemented, so no coverage)
       
   127 //
       
   128 
       
   129 #ifdef _BullseyeCoverage
       
   130 #pragma suppress_warnings on
       
   131 #pragma BullseyeCoverage off
       
   132 #pragma suppress_warnings off
       
   133 #endif
       
   134 
       
   135 CAsyncAsymmetricCipher* CAsyncAsymmetricCipher::NewL(MAsyncAsymmetricCipher* aAsyncAsymmetricCipher, TInt aHandle)
       
   136 	{
       
   137 	CAsyncAsymmetricCipher* self=new(ELeave) CAsyncAsymmetricCipher(aAsyncAsymmetricCipher, aHandle);
       
   138 	return self;						
       
   139 	}
       
   140 
       
   141 CAsyncAsymmetricCipher::CAsyncAsymmetricCipher(MAsyncAsymmetricCipher* aAsyncAsymmetricCipher, TInt aHandle)
       
   142 :CAsymmetricCipherBase(aAsyncAsymmetricCipher, aHandle)
       
   143 	{
       
   144 		
       
   145 	}
       
   146 
       
   147 EXPORT_C CAsyncAsymmetricCipher::~CAsyncAsymmetricCipher()
       
   148 	{
       
   149 		
       
   150 	}
       
   151 
       
   152 EXPORT_C void CAsyncAsymmetricCipher::ProcessL(const TDesC8& aInput, TDes8& aOutput, TRequestStatus& aRequestStatus)
       
   153 	{
       
   154 	MAsyncAsymmetricCipher* ptr=static_cast<MAsyncAsymmetricCipher*>(iPlugin);
       
   155 	ptr->ProcessL(aInput, aOutput, aRequestStatus);								
       
   156 	}
       
   157 
       
   158 EXPORT_C void CAsyncAsymmetricCipher::Cancel()
       
   159 	{
       
   160 	MAsyncAsymmetricCipher* ptr=static_cast<MAsyncAsymmetricCipher*>(iPlugin);
       
   161 	ptr->Cancel();		
       
   162 	}
       
   163 
       
   164 EXPORT_C void CAsymmetricCipherFactory::CreateAsyncAsymmetricCipherL(CAsyncAsymmetricCipher*& aCipher,
       
   165 																	TUid aAlgorithmUid,
       
   166 																	const CKey& aKey,
       
   167 																	TUid aCryptoMode,
       
   168 																	TUid aPaddingMode,
       
   169 																	const CCryptoParams* aAlgorithmParams)
       
   170 	{
       
   171 	MPluginSelector* selector=reinterpret_cast<MPluginSelector *>(Dll::Tls());
       
   172 	if (selector)
       
   173 		{
       
   174 		selector->CreateAsyncAsymmetricCipherL(aCipher, aAlgorithmUid, aKey, aCryptoMode, aPaddingMode, aAlgorithmParams);
       
   175 		}
       
   176 	else
       
   177 		{
       
   178 		CLegacySelector* legacySelector=CLegacySelector::NewLC();
       
   179 		legacySelector->CreateAsyncAsymmetricCipherL(aCipher, aAlgorithmUid, aKey, aCryptoMode, aPaddingMode, aAlgorithmParams);
       
   180 		CleanupStack::PopAndDestroy(legacySelector); //legacySelector
       
   181 		}
       
   182 	}
       
   183