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/*
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* Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <x520ava.h>
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#include "X500dec.h"
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#include <asn1enc.h>
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#include <asn1dec.h>
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EXPORT_C CX520AttributeTypeAndValue* CX520AttributeTypeAndValue::NewL(const CX520AttributeTypeAndValue& aPair)
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{
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CX520AttributeTypeAndValue* self = CX520AttributeTypeAndValue::NewLC(aPair);
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CleanupStack::Pop();//self
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return self;
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}
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EXPORT_C CX520AttributeTypeAndValue* CX520AttributeTypeAndValue::NewLC(const CX520AttributeTypeAndValue& aPair)
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{
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CX520AttributeTypeAndValue* self = new(ELeave) CX520AttributeTypeAndValue;
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CleanupStack::PushL(self);
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self->ConstructL(aPair);
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return self;
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}
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EXPORT_C CX520AttributeTypeAndValue* CX520AttributeTypeAndValue::NewL(const TDesC8& aBinaryData)
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{
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TInt pos = 0;
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return CX520AttributeTypeAndValue::NewL(aBinaryData, pos);
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}
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EXPORT_C CX520AttributeTypeAndValue* CX520AttributeTypeAndValue::NewLC(const TDesC8& aBinaryData)
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{
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TInt pos = 0;
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return CX520AttributeTypeAndValue::NewLC(aBinaryData, pos);
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}
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EXPORT_C CX520AttributeTypeAndValue* CX520AttributeTypeAndValue::NewL(const TDesC8& aBinaryData, TInt& aPos)
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{
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CX520AttributeTypeAndValue* self = CX520AttributeTypeAndValue::NewLC(aBinaryData, aPos);
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CleanupStack::Pop();
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return self;
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}
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EXPORT_C CX520AttributeTypeAndValue* CX520AttributeTypeAndValue::NewLC(const TDesC8& aBinaryData, TInt& aPos)
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{
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CX520AttributeTypeAndValue* self = new(ELeave) CX520AttributeTypeAndValue;
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CleanupStack::PushL(self);
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self->ConstructL(aBinaryData, aPos);
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return self;
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}
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EXPORT_C CX520AttributeTypeAndValue* CX520AttributeTypeAndValue::NewL(RReadStream& aStream)
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{
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CX520AttributeTypeAndValue* self = CX520AttributeTypeAndValue::NewLC(aStream);
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CleanupStack::Pop();//self
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return self;
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}
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EXPORT_C CX520AttributeTypeAndValue* CX520AttributeTypeAndValue::NewLC(RReadStream& aStream)
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{
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CX520AttributeTypeAndValue* self = new(ELeave) CX520AttributeTypeAndValue;
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CleanupStack::PushL(self);
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self->InternalizeL(aStream);
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return self;
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}
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/** Allocates and initializes a new attribute-value pair object from
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type and value.
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@param aType Type of the value (see TAttributeType enum).
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@param aValue String value of the attribute.
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@return Pointer to a newly allocated and initialized attribute-value pair.
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@see CX520AttributeTypeAndValue::NewLC */
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EXPORT_C CX520AttributeTypeAndValue* CX520AttributeTypeAndValue::NewL(TAttributeType aType, const TDesC8& aValue)
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{
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CX520AttributeTypeAndValue* self = CX520AttributeTypeAndValue::NewLC(aType, aValue);
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CleanupStack::Pop(); // self
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return self;
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}
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/** Allocates and initializes a new attribute-value pair object from
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type and value. Pushes the newly allocated object onto the
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cleanup stack.
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@param aType Type of the value (see TAttributeType enum).
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@param aValue String value of the attribute.
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@return Pointer to a newly allocated and initialized attribute-value pair.
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@see CX520AttributeTypeAndValue::NewL */
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EXPORT_C CX520AttributeTypeAndValue* CX520AttributeTypeAndValue::NewLC(
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TAttributeType aType,
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const TDesC8& aValue)
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{
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CX520AttributeTypeAndValue* self = new(ELeave) CX520AttributeTypeAndValue;
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CleanupStack::PushL(self);
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self->ConstructL(aType, aValue);
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return self;
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}
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CX520AttributeTypeAndValue::CX520AttributeTypeAndValue()
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:iType(NULL), iValue(NULL)
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{
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}
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void CX520AttributeTypeAndValue::ConstructL(const CX520AttributeTypeAndValue& aPair)
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{
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iType = aPair.iType->AllocL();
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iValue = aPair.iValue->AllocL();
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}
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void CX520AttributeTypeAndValue::ConstructL(const TDesC8& aBinaryData, TInt& aPos)
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{
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TASN1DecGeneric dec(aBinaryData.Right(aBinaryData.Length() - aPos));
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dec.InitL();
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TInt end = aPos + dec.LengthDER();
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aPos += dec.LengthDERHeader();
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//first element must be the id
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TASN1DecObjectIdentifier encOID;
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iType = encOID.DecodeDERL(aBinaryData, aPos);
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//second is the data
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TASN1DecGeneric second(aBinaryData.Right(aBinaryData.Length() - aPos));
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second.InitL();
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iValue = second.Encoding().AllocL();;
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aPos += second.LengthDER();
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if (aPos != end)
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{
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User::Leave(KErrArgument);
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}
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}
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void CX520AttributeTypeAndValue::ConstructL(TAttributeType aType, const TDesC8& aValue)
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{
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// iType is string representation of OID corresponding to the aType.
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TPtrC ptr;
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TInt maxlen = 64; // a reasonable default
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TTagType type = EASN1PrintableString; // the default for all except email, unstructured name and domain component
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switch(aType)
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{
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case ECommonName:
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ptr.Set(KX520CommonName);
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maxlen = KX520MaxCNLength;
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break;
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case ELocalityName:
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ptr.Set(KX520LocalityName);
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maxlen = KX520MaxLLength;
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break;
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case EStateOrProvinceName:
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ptr.Set(KX520StateOrProvinceName);
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maxlen = KX520MaxSOPLength;
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break;
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case EPostalCode:
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ptr.Set(KX520PostalCode);
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maxlen = KX520MaxPostalCodeLength;
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break;
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case EOrganizationName:
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ptr.Set(KX520OrganizationName);
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maxlen = KX520MaxOLength;
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break;
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case EOrganizationalUnitName:
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ptr.Set(KX520OrganizationalUnitName);
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maxlen = KX520MaxOULength;
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break;
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case ETitle:
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ptr.Set(KX520Title);
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maxlen = KX520MaxTLength;
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break;
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case EDNQualifier:
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ptr.Set(KX520DNQualifier);
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maxlen = 64; // no information was found on this one, so set to a safe minimum
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break;
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case ECountryName:
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ptr.Set(KX520CountryName);
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maxlen = KX520MaxCNLength;
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break;
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case EGivenName:
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ptr.Set(KX520GivenName);
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maxlen = KX520MaxGNLength;
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break;
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case ESurname:
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ptr.Set(KX520Surname);
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maxlen = KX520MaxSLength;
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break;
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case EInitials:
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ptr.Set(KX520Initials);
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maxlen = KX520MaxILength;
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break;
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case EGenerationQualifier:
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ptr.Set(KX520GenerationQualifier);
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maxlen = KX520MaxGQLength;
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break;
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case EPKCS9EmailAddress:
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ptr.Set(KPKCS9EmailAddress);
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maxlen = KPKCS9MaxEmailAddressLength;
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type = EASN1IA5String;
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break;
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case ESerialNumber:
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ptr.Set(KX520SerialNumber);
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maxlen = KX520MaxSNLength;
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break;
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case ERFC2247DomainComponent:
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ptr.Set(KRFC2247DomainComponent);
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maxlen = KRFC2247MaxDomainComponentLength;
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type = EASN1IA5String;
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break;
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case ERFC2256Street:
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ptr.Set(KRFC2256Street);
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maxlen = KRFC2256StreetLength;
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break;
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case EPKCS9UnstructuredName:
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{
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ptr.Set(KPKCS9UnstructuredName);
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maxlen = KPKCS9MaxUnstructuredNameLength;
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// Determine the encoded value. It could be a IA5String or a UTF8String
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TASN1DecGeneric decoderGeneric(aValue);
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decoderGeneric.InitL();
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type = decoderGeneric.Tag();
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break;
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}
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case EX520Description:
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{
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ptr.Set(KX520Description);
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maxlen = KX520MaxDescriptionLength;
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break;
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}
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default:
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User::Leave(KErrArgument);
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}
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// Verify if the passed length is within limits
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if(aValue.Length() > maxlen)
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User::Leave(KErrArgument);
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// Allocate OID string for iType
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iType = ptr.AllocL();
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// iValue must be stored in ASN.1-encoded form
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CASN1EncOctetString* enc = CASN1EncOctetString::NewLC(aValue);
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enc->SetTag(type, EUniversal);
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TUint len = enc->LengthDER();
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HBufC8* buf = HBufC8::NewMaxLC(len);
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TUint pos = 0;
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TPtr8 bufptr(buf->Des());
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enc->WriteDERL(bufptr, pos);
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iValue = bufptr.AllocL();
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CleanupStack::PopAndDestroy(2);
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}
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EXPORT_C const TPtrC CX520AttributeTypeAndValue::Type() const
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{
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return iType->Des();
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}
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EXPORT_C const TPtrC8 CX520AttributeTypeAndValue::EncodedValue() const
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{
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return iValue->Des();
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}
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EXPORT_C HBufC* CX520AttributeTypeAndValue::ValueL() const
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{
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if (iType->Des() == KX520CountryName)
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{
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TASN1DecPrintableString encPString;
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TInt pos = 0;
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HBufC* res = encPString.DecodeDERL(iValue->Des(), pos);
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CleanupStack::PushL(res);
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if (res->Length() > KX520MaxCLength)
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{
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User::Leave(KErrArgument);
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}
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CleanupStack::Pop();
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return res;
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}
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if (iType->Des() == KX520DNQualifier)
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{
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TInt pos = 0;
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TASN1DecPrintableString encPString;
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HBufC* res = encPString.DecodeDERL(iValue->Des(), pos);
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return res;
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}
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if (iType->Des() == KPKCS9EmailAddress)
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{
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TASN1DecIA5String encIA5String;
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TInt pos = 0;
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HBufC* res = encIA5String.DecodeDERL(iValue->Des(), pos);
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CleanupStack::PushL(res);
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if (res->Length() > KPKCS9MaxEmailAddressLength)
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{
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User::Leave(KErrArgument);
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}
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CleanupStack::Pop();
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return res;
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}
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if (iType->Des() == KRFC2247DomainComponent)
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{
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TASN1DecIA5String encIA5String;
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TInt pos = 0;
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HBufC* res = encIA5String.DecodeDERL(iValue->Des(), pos);
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CleanupStack::PushL(res);
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if (res->Length() > KRFC2247MaxDomainComponentLength)
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{
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User::Leave(KErrArgument);
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}
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CleanupStack::Pop();
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return res;
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}
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if (iType->Des() == KX520SerialNumber)
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{
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TASN1DecPrintableString encPString;
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TInt pos = 0;
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HBufC* res = encPString.DecodeDERL(iValue->Des(), pos);
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CleanupStack::PushL(res);
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if (res->Length() > KX520MaxSNLength)
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{
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|
328 |
User::Leave(KErrArgument);
|
sl@0
|
329 |
}
|
sl@0
|
330 |
CleanupStack::Pop();
|
sl@0
|
331 |
return res;
|
sl@0
|
332 |
}
|
sl@0
|
333 |
TInt maxLength = 0;
|
sl@0
|
334 |
if (iType->Des() == KPKCS9UnstructuredName)
|
sl@0
|
335 |
{
|
sl@0
|
336 |
TASN1DecGeneric decoderGeneric(iValue->Des());
|
sl@0
|
337 |
decoderGeneric.InitL();
|
sl@0
|
338 |
// The encoded value should be a IA5String
|
sl@0
|
339 |
if (decoderGeneric.Tag() == EASN1IA5String)
|
sl@0
|
340 |
{
|
sl@0
|
341 |
TASN1DecIA5String encIA5String;
|
sl@0
|
342 |
TInt pos = 0;
|
sl@0
|
343 |
HBufC* res = encIA5String.DecodeDERL(iValue->Des(), pos);
|
sl@0
|
344 |
CleanupStack::PushL(res);
|
sl@0
|
345 |
if (res->Length() > KPKCS9MaxUnstructuredNameLength)
|
sl@0
|
346 |
{
|
sl@0
|
347 |
User::Leave(KErrArgument);
|
sl@0
|
348 |
}
|
sl@0
|
349 |
CleanupStack::Pop();
|
sl@0
|
350 |
return res;
|
sl@0
|
351 |
}
|
sl@0
|
352 |
// But it could also be a UTF8String to support internationalization issues
|
sl@0
|
353 |
else
|
sl@0
|
354 |
{
|
sl@0
|
355 |
maxLength = KPKCS9MaxUnstructuredNameLength;
|
sl@0
|
356 |
}
|
sl@0
|
357 |
}
|
sl@0
|
358 |
if (iType->Des() == KX520OrganizationName)
|
sl@0
|
359 |
{
|
sl@0
|
360 |
maxLength = KX520MaxOLength;
|
sl@0
|
361 |
}
|
sl@0
|
362 |
if (iType->Des() == KX520OrganizationalUnitName)
|
sl@0
|
363 |
{
|
sl@0
|
364 |
maxLength = KX520MaxOULength;
|
sl@0
|
365 |
}
|
sl@0
|
366 |
if (iType->Des() == KX520LocalityName)
|
sl@0
|
367 |
{
|
sl@0
|
368 |
maxLength = KX520MaxLLength;
|
sl@0
|
369 |
}
|
sl@0
|
370 |
if (iType->Des() == KX520StateOrProvinceName)
|
sl@0
|
371 |
{
|
sl@0
|
372 |
maxLength = KX520MaxSOPLength;
|
sl@0
|
373 |
}
|
sl@0
|
374 |
if (iType->Des() == KX520Title)
|
sl@0
|
375 |
{
|
sl@0
|
376 |
maxLength = KX520MaxTLength;
|
sl@0
|
377 |
}
|
sl@0
|
378 |
if (iType->Des() == KX520CommonName)
|
sl@0
|
379 |
{
|
sl@0
|
380 |
maxLength = KX520MaxCNLength;
|
sl@0
|
381 |
}
|
sl@0
|
382 |
if (iType->Des() == KX520Surname)
|
sl@0
|
383 |
{
|
sl@0
|
384 |
maxLength = KX520MaxSLength;
|
sl@0
|
385 |
}
|
sl@0
|
386 |
if (iType->Des() == KX520GivenName)
|
sl@0
|
387 |
{
|
sl@0
|
388 |
maxLength = KX520MaxGNLength;
|
sl@0
|
389 |
}
|
sl@0
|
390 |
if (iType->Des() == KX520Initials)
|
sl@0
|
391 |
{
|
sl@0
|
392 |
maxLength = KX520MaxILength;
|
sl@0
|
393 |
}
|
sl@0
|
394 |
if (iType->Des() == KX520GenerationQualifier)
|
sl@0
|
395 |
{
|
sl@0
|
396 |
maxLength = KX520MaxGQLength;
|
sl@0
|
397 |
}
|
sl@0
|
398 |
if (iType->Des() == KX520PostalCode)
|
sl@0
|
399 |
{
|
sl@0
|
400 |
maxLength = KX520MaxPostalCodeLength;
|
sl@0
|
401 |
}
|
sl@0
|
402 |
if (iType->Des() == KRFC2256Street)
|
sl@0
|
403 |
{
|
sl@0
|
404 |
maxLength = KRFC2256StreetLength;
|
sl@0
|
405 |
}
|
sl@0
|
406 |
if (iType->Des() == KX520Description)
|
sl@0
|
407 |
{
|
sl@0
|
408 |
maxLength = KX520MaxDescriptionLength;
|
sl@0
|
409 |
}
|
sl@0
|
410 |
if (maxLength == 0)
|
sl@0
|
411 |
{
|
sl@0
|
412 |
User::Leave(KErrNotSupported);
|
sl@0
|
413 |
}
|
sl@0
|
414 |
TASN1DecX500DirectoryString encDString;
|
sl@0
|
415 |
TInt pos = 0;
|
sl@0
|
416 |
HBufC* res = encDString.DecodeDERL(iValue->Des(), pos, maxLength);
|
sl@0
|
417 |
return res;
|
sl@0
|
418 |
}
|
sl@0
|
419 |
|
sl@0
|
420 |
TBool CX520AttributeTypeAndValue::IsCaseInSensitiveL(const TDesC8& aSource) const
|
sl@0
|
421 |
{
|
sl@0
|
422 |
TPtr attribute = iType->Des();
|
sl@0
|
423 |
TBool caseInsensitiveAttr = (attribute == KPKCS9EmailAddress || attribute == KPKCS9UnstructuredName || attribute == KX520Description);
|
sl@0
|
424 |
TASN1DecGeneric gen(aSource);
|
sl@0
|
425 |
gen.InitL();
|
sl@0
|
426 |
return ((gen.Tag() == EASN1PrintableString) || caseInsensitiveAttr);
|
sl@0
|
427 |
}
|
sl@0
|
428 |
|
sl@0
|
429 |
|
sl@0
|
430 |
EXPORT_C CASN1EncSequence* CX520AttributeTypeAndValue::EncodeASN1LC() const
|
sl@0
|
431 |
{
|
sl@0
|
432 |
CASN1EncSequence *seq = CASN1EncSequence::NewLC();
|
sl@0
|
433 |
CASN1EncObjectIdentifier* oid = CASN1EncObjectIdentifier::NewLC(Type());
|
sl@0
|
434 |
seq->AddAndPopChildL(oid);
|
sl@0
|
435 |
|
sl@0
|
436 |
// The current ASN.1 base encoding class assumes that ASN.1 type,
|
sl@0
|
437 |
// length, and contents are stored and can be written to a buffer
|
sl@0
|
438 |
// separately. Therefore it is difficult, if not impossible, to
|
sl@0
|
439 |
// store raw ASN.1 encoding data in a tree of ASN.1 encoding
|
sl@0
|
440 |
// objects. That is why we are forced first to decode the raw value,
|
sl@0
|
441 |
// and then re-encode it so that we know what type and length it
|
sl@0
|
442 |
// has.
|
sl@0
|
443 |
TASN1DecGeneric decoderGeneric(EncodedValue());
|
sl@0
|
444 |
decoderGeneric.InitL();
|
sl@0
|
445 |
TASN1DecOctetString decoderOctetString;
|
sl@0
|
446 |
HBufC8* valBuf = decoderOctetString.DecodeDERL(decoderGeneric);
|
sl@0
|
447 |
CleanupStack::PushL(valBuf);
|
sl@0
|
448 |
CASN1EncOctetString* val = CASN1EncOctetString::NewLC(*valBuf);
|
sl@0
|
449 |
val->SetTag(decoderGeneric.Tag(), decoderGeneric.Class());
|
sl@0
|
450 |
seq->AddAndPopChildL(val);
|
sl@0
|
451 |
CleanupStack::PopAndDestroy(valBuf);
|
sl@0
|
452 |
return seq;
|
sl@0
|
453 |
}
|
sl@0
|
454 |
|
sl@0
|
455 |
EXPORT_C CASN1EncSequence* CX520AttributeTypeAndValue::EncodeASN1L() const
|
sl@0
|
456 |
{
|
sl@0
|
457 |
CASN1EncSequence *seq = EncodeASN1LC();
|
sl@0
|
458 |
CleanupStack::Pop(seq);
|
sl@0
|
459 |
return seq;
|
sl@0
|
460 |
}
|
sl@0
|
461 |
|
sl@0
|
462 |
EXPORT_C CX520AttributeTypeAndValue::~CX520AttributeTypeAndValue()
|
sl@0
|
463 |
{
|
sl@0
|
464 |
delete iType;
|
sl@0
|
465 |
delete iValue;
|
sl@0
|
466 |
}
|
sl@0
|
467 |
|
sl@0
|
468 |
EXPORT_C TBool CX520AttributeTypeAndValue::ExactMatchL(const CX520AttributeTypeAndValue& aElement) const
|
sl@0
|
469 |
{
|
sl@0
|
470 |
TBool res = EFalse;
|
sl@0
|
471 |
if (*(iType) != *(aElement.iType))
|
sl@0
|
472 |
{
|
sl@0
|
473 |
return res;
|
sl@0
|
474 |
}
|
sl@0
|
475 |
HBufC* lhs = this->ValueL();
|
sl@0
|
476 |
CleanupStack::PushL(lhs);
|
sl@0
|
477 |
HBufC* rhs = aElement.ValueL();
|
sl@0
|
478 |
|
sl@0
|
479 |
TPtr plhs = lhs->Des();
|
sl@0
|
480 |
TPtr prhs = rhs->Des();
|
sl@0
|
481 |
plhs.TrimAll();
|
sl@0
|
482 |
prhs.TrimAll();
|
sl@0
|
483 |
|
sl@0
|
484 |
|
sl@0
|
485 |
// DEF124902: Certificate name matching done in accordance to RFC3280
|
sl@0
|
486 |
// RFC3280: Printable String and Email address(of value type 'IA5String') will
|
sl@0
|
487 |
// be compared case-insensitively.
|
sl@0
|
488 |
|
sl@0
|
489 |
if (IsCaseInSensitiveL(iValue->Des()))
|
sl@0
|
490 |
{
|
sl@0
|
491 |
//case insensitive comparison for Printable String and IA5String (EmailAdress only).
|
sl@0
|
492 |
res = (plhs.CompareF(prhs) == 0);
|
sl@0
|
493 |
}
|
sl@0
|
494 |
else
|
sl@0
|
495 |
{
|
sl@0
|
496 |
// case-sensitive comparison for strings other than printable string
|
sl@0
|
497 |
// Exception: This may include IA5Stings other than 'EmailAddress' attiribute types.
|
sl@0
|
498 |
res = (plhs.Compare(prhs) == 0);
|
sl@0
|
499 |
}
|
sl@0
|
500 |
CleanupStack::PopAndDestroy();
|
sl@0
|
501 |
delete rhs;
|
sl@0
|
502 |
return res;
|
sl@0
|
503 |
}
|
sl@0
|
504 |
|
sl@0
|
505 |
void CX520AttributeTypeAndValue::ExternalizeL(RWriteStream& aStream) const
|
sl@0
|
506 |
{
|
sl@0
|
507 |
aStream.WriteInt32L(iType->Des().Length());
|
sl@0
|
508 |
aStream << *iType;
|
sl@0
|
509 |
aStream.WriteInt32L(iValue->Des().Length());
|
sl@0
|
510 |
aStream << *iValue;
|
sl@0
|
511 |
}
|
sl@0
|
512 |
|
sl@0
|
513 |
void CX520AttributeTypeAndValue::InternalizeL(RReadStream& aStream)
|
sl@0
|
514 |
{
|
sl@0
|
515 |
TInt maxlen;
|
sl@0
|
516 |
maxlen = aStream.ReadInt32L();
|
sl@0
|
517 |
iType = HBufC::NewL(aStream,maxlen);
|
sl@0
|
518 |
maxlen = aStream.ReadInt32L();
|
sl@0
|
519 |
iValue = HBufC8::NewL(aStream,maxlen);
|
sl@0
|
520 |
}
|