os/security/crypto/weakcryptospi/source/spi/cryptomacapi.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200 (2014-06-10)
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 /*
     2 * Copyright (c) 2008-2009 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 Mac API implementation
    16 *
    17 */
    18 
    19 
    20 /**
    21  @file
    22 */
    23 
    24 #include <cryptospi/cryptomacapi.h>
    25 #include <cryptospi/macplugin.h>
    26 #include "legacyselector.h"
    27 
    28 using namespace CryptoSpi;
    29 
    30 
    31 EXPORT_C void CMacFactory::CreateMacL(CMac*& aMac,
    32 									  const TUid aAlgorithmUid,
    33 									  const CKey& aKey,
    34 		                              const CCryptoParams* aAlgorithmParams)
    35 	{
    36 	MPluginSelector* selector=reinterpret_cast<MPluginSelector *>(Dll::Tls());
    37 	if (selector)
    38 		{
    39 		selector->CreateMacL(aMac, aAlgorithmUid, aKey, aAlgorithmParams);
    40 		}
    41 	else
    42 		{
    43 		CLegacySelector* legacySelector=CLegacySelector::NewLC();
    44 		legacySelector->CreateMacL(aMac, aAlgorithmUid, aKey, aAlgorithmParams);
    45 		CleanupStack::PopAndDestroy(legacySelector); //selector	
    46 		}
    47 	}									
    48 
    49 CMac* CMac::NewL(MMac* aMac, TInt aHandle)
    50 	{
    51 	CMac* self = new (ELeave) CMac(aMac, aHandle); 		
    52 	return self;
    53 	}
    54 		
    55 CMac::CMac(MMac* aMac, TInt aHandle)
    56 : CCryptoBase(aMac, aHandle)
    57 	{
    58 	}
    59 
    60 EXPORT_C CMac::~CMac()
    61 	{
    62 	}
    63 
    64 /**
    65  * Following working methods delegate calls to the plug-in implementation 
    66  * of the requested MAC algorithm.
    67  */
    68 EXPORT_C TPtrC8 CMac::MacL(const TDesC8& aMessage)
    69 	{
    70 	return ((MMac*)iPlugin)->MacL(aMessage); 
    71 	}
    72 
    73 
    74 EXPORT_C void CMac::UpdateL(const TDesC8& aMessage)
    75 	{
    76 	((MMac*)iPlugin)->UpdateL(aMessage);
    77 	}
    78 
    79 EXPORT_C TPtrC8 CMac::FinalL(const TDesC8& aMessage)
    80 	{
    81 	return ((MMac*)iPlugin)->FinalL(aMessage);
    82 	}
    83 
    84 EXPORT_C void CMac::ReInitialiseAndSetKeyL(const CKey& aKey)
    85 	{
    86 	((MMac*)iPlugin)->ReInitialiseAndSetKeyL(aKey);	
    87 	}
    88 
    89 EXPORT_C CMac* CMac::ReplicateL()
    90 	{
    91 	MMac* plugin=((MMac*)iPlugin)->ReplicateL();
    92 	CleanupClosePushL(*plugin);
    93 	RLibrary lib;
    94 	lib.SetHandle(iLibHandle);
    95 	RLibrary duplib=lib;
    96 	User::LeaveIfError(duplib.Duplicate(RThread(), EOwnerProcess));
    97 	CleanupClosePushL(duplib);
    98 	CMac* self=new(ELeave) CMac(plugin, duplib.Handle());
    99 	CleanupStack::Pop(2, plugin); //duplib, plugin
   100 	return self;		
   101 	}
   102 
   103 EXPORT_C CMac* CMac::CopyL()
   104 	{
   105 	MMac* plugin=((MMac*)iPlugin)->CopyL();
   106 	CleanupClosePushL(*plugin);
   107 	RLibrary lib;
   108 	lib.SetHandle(iLibHandle);
   109 	RLibrary duplib=lib;
   110 	User::LeaveIfError(duplib.Duplicate(RThread(), EOwnerProcess));
   111 	CleanupClosePushL(duplib);
   112 	CMac* self=new(ELeave) CMac(plugin, duplib.Handle());
   113 	CleanupStack::Pop(2, plugin); //duplib, plugin
   114 	return self;			
   115 	}
   116 
   117 //
   118 // Asynchronous MAC interface implementation
   119 // (async not implemented, so no coverage)
   120 // Once we have a dedicated hardware plugin-dll
   121 // the following pre-processor conditions must be removed.
   122 //
   123 #ifdef _BullseyeCoverage
   124 #pragma suppress_warnings on
   125 #pragma BullseyeCoverage off
   126 #pragma suppress_warnings off
   127 #endif
   128 
   129 
   130 EXPORT_C void CMacFactory::CreateAsyncMacL(CAsyncMac*& aMac,
   131 									  const TUid aAlgorithmUid,
   132 									  const CKey& aKey,
   133 		                              const CCryptoParams* aAlgorithmParams)
   134 	{
   135 	MPluginSelector* selector=reinterpret_cast<MPluginSelector *>(Dll::Tls());
   136 	if (selector)
   137 		{
   138 		selector->CreateAsyncMacL(aMac, aAlgorithmUid, aKey, aAlgorithmParams);
   139 		}
   140 	else
   141 		{
   142 		CLegacySelector* legacySelector=CLegacySelector::NewLC();
   143 		legacySelector->CreateAsyncMacL(aMac, aAlgorithmUid, aKey, aAlgorithmParams);
   144 		CleanupStack::PopAndDestroy(legacySelector); //selector	
   145 		}
   146 	}									
   147 
   148 CAsyncMac* CAsyncMac::NewL(MAsyncMac* aMac, TInt aHandle)
   149 	{
   150 	CAsyncMac* self = new (ELeave) CAsyncMac(aMac, aHandle); 		
   151 	return self;
   152 	}
   153 		
   154 CAsyncMac::CAsyncMac(MAsyncMac* aMac, TInt aHandle)
   155 : CCryptoBase(aMac, aHandle)
   156 	{
   157 	}
   158 
   159 EXPORT_C CAsyncMac::~CAsyncMac()
   160 	{
   161 	}
   162 
   163 /**
   164  * Following asynchronous working methods delegate calls to the plug-in implementation 
   165  * of the requested MAC algorithm.
   166  */
   167 EXPORT_C TPtrC8 CAsyncMac::MacL(const TDesC8& aMessage, TRequestStatus& aStatus)
   168 	{
   169 	return ((MAsyncMac*)iPlugin)->MacL(aMessage, aStatus); 
   170 	}
   171 
   172 EXPORT_C void CAsyncMac::UpdateL(const TDesC8& aMessage, TRequestStatus& aStatus)
   173 	{
   174 	((MAsyncMac*)iPlugin)->UpdateL(aMessage, aStatus);
   175 	}
   176 
   177 EXPORT_C TPtrC8 CAsyncMac::FinalL(const TDesC8& aMessage, TRequestStatus& aStatus)
   178 	{
   179 	return ((MAsyncMac*)iPlugin)->FinalL(aMessage, aStatus);
   180 	}
   181 
   182 EXPORT_C void CAsyncMac::ReInitialiseAndSetKeyL(const CKey& aKey)
   183 	{
   184 	((MAsyncMac*)iPlugin)->ReInitialiseAndSetKeyL(aKey);	
   185 	}
   186 
   187 EXPORT_C CAsyncMac* CAsyncMac::ReplicateL()
   188 	{
   189 	MAsyncMac* plugin=((MAsyncMac*)iPlugin)->ReplicateL();
   190 	CleanupClosePushL(*plugin);
   191 	RLibrary lib;
   192 	lib.SetHandle(iLibHandle);
   193 	RLibrary duplib=lib;
   194 	User::LeaveIfError(duplib.Duplicate(RThread(), EOwnerProcess));
   195 	CleanupClosePushL(duplib);
   196 	CAsyncMac* self=new(ELeave) CAsyncMac(plugin, duplib.Handle());
   197 	CleanupStack::Pop(2, plugin); //duplib, plugin
   198 	return self;		
   199 	}
   200 
   201 EXPORT_C CAsyncMac* CAsyncMac::CopyL()
   202 	{
   203 	MAsyncMac* plugin=((MAsyncMac*)iPlugin)->CopyL();
   204 	CleanupClosePushL(*plugin);
   205 	RLibrary lib;
   206 	lib.SetHandle(iLibHandle);
   207 	RLibrary duplib=lib;
   208 	User::LeaveIfError(duplib.Duplicate(RThread(), EOwnerProcess));
   209 	CleanupClosePushL(duplib);
   210 	CAsyncMac* self=new(ELeave) CAsyncMac(plugin, duplib.Handle());
   211 	CleanupStack::Pop(2, plugin); //duplib, plugin
   212 	return self;			
   213 	}
   214 
   215 
   216 EXPORT_C void CAsyncMac::Cancel()
   217 	{
   218 	((MAsyncMac*)iPlugin)->Cancel();	
   219 	}