1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/cryptoservices/certificateandkeymgmt/asn1/encenc.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,122 @@
     1.4 +/*
     1.5 +* Copyright (c) 2005-2009 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 <e32std.h>
    1.27 +#include <e32def.h>
    1.28 +#include <asn1enc.h>
    1.29 +#include <asn1dec.h>
    1.30 +
    1.31 +EXPORT_C CASN1EncEncoding::~CASN1EncEncoding()
    1.32 +	{
    1.33 +	delete iContents;
    1.34 +	}
    1.35 +
    1.36 +// Set arbitrary initial values for tag type and class because they will be 
    1.37 +// inited in ConstructL().
    1.38 +EXPORT_C CASN1EncEncoding::CASN1EncEncoding() : 
    1.39 +	CASN1EncBase(EASN1EOC, EUniversal)
    1.40 +	{
    1.41 +	}
    1.42 +
    1.43 +EXPORT_C CASN1EncEncoding* CASN1EncEncoding::NewLC(const TDesC8& aEncoding)
    1.44 +	{
    1.45 +	CASN1EncEncoding* self = new (ELeave) CASN1EncEncoding;
    1.46 +	CleanupStack::PushL(self);
    1.47 +	self->ConstructL(aEncoding);
    1.48 +	return self;
    1.49 +	}
    1.50 +
    1.51 +EXPORT_C CASN1EncEncoding* CASN1EncEncoding::NewL(const TDesC8& aEncoding)
    1.52 +	{
    1.53 +	CASN1EncEncoding* self = NewLC(aEncoding);
    1.54 +	CleanupStack::Pop(self);
    1.55 +	return self;
    1.56 +	}
    1.57 +
    1.58 +EXPORT_C CASN1EncEncoding* CASN1EncEncoding::NewLC(const TDesC8& aEncoding, TTagType aType, TASN1Class aClass)
    1.59 +	{
    1.60 +	CASN1EncEncoding* self = new (ELeave) CASN1EncEncoding;
    1.61 +	CleanupStack::PushL(self);
    1.62 +	self->ConstructL(aEncoding, aType, aClass);
    1.63 +	return self;		
    1.64 +	}
    1.65 +
    1.66 +void CASN1EncEncoding::ConstructL(const TDesC8& aEncoding)
    1.67 +	{
    1.68 +	// Use decoder to get information about the outer wrapper of the passed 
    1.69 +	// encoding.
    1.70 +	TASN1DecGeneric decoder(aEncoding);
    1.71 +	decoder.InitL();
    1.72 +	iClass = decoder.Class();
    1.73 +	iTag = decoder.Tag();
    1.74 +	// Set this information so that the base class knows how to write 
    1.75 +	// DER encoding.
    1.76 +	SetTag(iTag, iClass);
    1.77 +	// Copy just the contents of the passed encoding.
    1.78 +	iContents = decoder.GetContentDER().AllocL();
    1.79 +	// Save this for base class writing functions.
    1.80 +	iContentsLengthDER = iContents->Length();
    1.81 +	// This is base class' method which initializes length of length 
    1.82 +	// encoding for proper DER writing.
    1.83 +	CalculateLengthLengthDER();
    1.84 +	}
    1.85 +
    1.86 +void CASN1EncEncoding::ConstructL(const TDesC8& aEncoding, TTagType aType, TASN1Class aClass)
    1.87 +	{
    1.88 +	// Use decoder to get information about the outer wrapper of the passed 
    1.89 +	// encoding.
    1.90 +	TASN1DecGeneric decoder(aEncoding);
    1.91 +	decoder.InitL();
    1.92 +	iClass = aClass;
    1.93 +	iTag = aType;
    1.94 +	// Set this information so that the base class knows how to write 
    1.95 +	// DER encoding.
    1.96 +	SetTag(aType, aClass);
    1.97 +	// Copy just the contents of the passed encoding.
    1.98 +	iContents = decoder.GetContentDER().AllocL();
    1.99 +	// Save this for base class writing functions.
   1.100 +	iContentsLengthDER = iContents->Length();
   1.101 +	// This is base class' method which initializes length of length 
   1.102 +	// encoding for proper DER writing.
   1.103 +	CalculateLengthLengthDER();
   1.104 +	}
   1.105 +
   1.106 +
   1.107 +// This method is not called but is necessary because it overrides a 
   1.108 +// pure virtual function of the base class. The variable is properly 
   1.109 +// initialized in ConstructL().
   1.110 +void CASN1EncEncoding::CalculateContentsLengthDER()
   1.111 +	{
   1.112 +	iContentsLengthDER = iContents->Length();
   1.113 +	}
   1.114 +
   1.115 +TBool CASN1EncEncoding::IsConstructed() const
   1.116 +	{
   1.117 +	return ETrue;
   1.118 +	}
   1.119 +
   1.120 +// When this method is called by the base class write helper, the tag 
   1.121 +// and length are already written.
   1.122 +void CASN1EncEncoding::WriteContentsDERL(TDes8& aBuf) const
   1.123 +	{
   1.124 +	aBuf.Copy(*iContents);
   1.125 +	}