1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/security/cryptoservices/certificateandkeymgmt/pkcs8recog/pkcs8recog.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,113 @@
1.4 +/*
1.5 +* Copyright (c) 1998-2009 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 +*/
1.25 +
1.26 +#include <asnpkcs.h>
1.27 +#include <ecom/ecom.h>
1.28 +#include <ecom/implementationproxy.h>
1.29 +
1.30 +#include "pkcs8recog.h"
1.31 +
1.32 +const TInt KRecognizerValue = 0x1020361C;
1.33 +const TUid KUidMimeRecognizer = {KRecognizerValue};
1.34 +
1.35 +_LIT8(KDataTypePkcs8KeyPair, "application/pkcs8");
1.36 +_LIT8(KDataTypePkcs8EncryptedKeyPair, "application/pkcs8-encrypted");
1.37 +
1.38 +const TInt KSupportedDataTypesNumber = 2;
1.39 +
1.40 +
1.41 +// ----------------------------------------------------------------------------
1.42 +// CApaPkcs8Recognizer
1.43 +//
1.44 +
1.45 +CApaPkcs8Recognizer::CApaPkcs8Recognizer()
1.46 + : CApaDataRecognizerType(KUidMimeRecognizer, CApaDataRecognizerType::ENormal)
1.47 + {
1.48 + iCountDataTypes = KSupportedDataTypesNumber;
1.49 + }
1.50 +
1.51 +TUint CApaPkcs8Recognizer::PreferredBufSize()
1.52 + {
1.53 + return Max(KIsPKCS8DataMinLength, KIsEncryptedPKCS8DataMinLength);
1.54 + }
1.55 +
1.56 +TDataType CApaPkcs8Recognizer::SupportedDataTypeL(TInt aIndex) const
1.57 + {
1.58 + __ASSERT_DEBUG(aIndex >= 0 && aIndex < KSupportedDataTypesNumber,
1.59 + User::Panic(_L("PKCS8RECOG"), 0));
1.60 + switch (aIndex)
1.61 + {
1.62 + case 0:
1.63 + return TDataType(KDataTypePkcs8KeyPair);
1.64 +
1.65 + case 1:
1.66 + return TDataType(KDataTypePkcs8EncryptedKeyPair);
1.67 +
1.68 + // Used to prevent warning about return paths not all returning a value
1.69 + default:
1.70 + return TDataType(KDataTypePkcs8KeyPair);
1.71 + }
1.72 + }
1.73 +
1.74 +void CApaPkcs8Recognizer::DoRecognizeL(const TDesC& /*aName*/, const TDesC8& aBuffer)
1.75 + {
1.76 + // Ensure length is sufficient for checking type pkcs8
1.77 + if (aBuffer.Size() >= KIsPKCS8DataMinLength)
1.78 + {
1.79 + if (TASN1DecPKCS8::IsPKCS8Data(aBuffer))
1.80 + {
1.81 + iDataType = TDataType(KDataTypePkcs8KeyPair);
1.82 + iConfidence = ECertain;
1.83 + return;
1.84 + }
1.85 + }
1.86 +
1.87 + // Ensure length is sufficient for checking type pkcs8-encrypted
1.88 + if (aBuffer.Size() >= KIsEncryptedPKCS8DataMinLength)
1.89 + {
1.90 + if (TASN1DecPKCS8::IsEncryptedPKCS8Data(aBuffer))
1.91 + {
1.92 + iDataType = TDataType(KDataTypePkcs8EncryptedKeyPair);
1.93 + iConfidence = ECertain;
1.94 + return;
1.95 + }
1.96 + }
1.97 +
1.98 + // type not recognized
1.99 + }
1.100 +
1.101 +CApaDataRecognizerType* CApaPkcs8Recognizer::CreateRecognizerL()
1.102 + {
1.103 + return new (ELeave) CApaPkcs8Recognizer();
1.104 + }
1.105 +
1.106 +const TImplementationProxy ImplementationTable[] =
1.107 + {
1.108 + IMPLEMENTATION_PROXY_ENTRY(0x1020361B, CApaPkcs8Recognizer::CreateRecognizerL)
1.109 + };
1.110 +
1.111 +EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
1.112 + {
1.113 + aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
1.114 + return ImplementationTable;
1.115 + }
1.116 +