--- a/cryptoservices/certificateandkeymgmt/asn1/genericdec.cpp Tue Jul 21 01:04:32 2009 +0100
+++ b/cryptoservices/certificateandkeymgmt/asn1/genericdec.cpp Thu Sep 10 14:01:51 2009 +0300
@@ -1,147 +1,148 @@
-/*
-* Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the License "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-
-#include "asn1dec.h"
-
-EXPORT_C TASN1DecGeneric::TASN1DecGeneric(const TDesC8& aSource):
- iEncoding(aSource)
- {
- }
-
-EXPORT_C void TASN1DecGeneric::InitL()
-
-// x209 6.2, 6.3
- {
- if(iEncoding.Length() < KASN1ObjectMinLength)
- {
- User::Leave(KErrArgument);
- }
-
- TInt i=iEncoding[0];
- TInt b=i>>6;
- iClass=(TASN1Class)b;
-
- TInt Length=0;
- TInt LengthOfLength=1;
- TInt Pos=0;
- TInt T=0;
- TInt encodingLength = iEncoding.Length();
- // work out tag
- if ((iEncoding[Pos]&0x1f)==0x1f)
- {
- // tag greater than 30
- Pos++;
- if (encodingLength <= Pos+1)
- {
- User::Leave(KErrArgument);
- }
- while (iEncoding[Pos]>=128)
- {
- T<<=7;
- T+=(TUint8)(iEncoding[Pos]&127); // this raises warning if TTagType is TUint8
- Pos++;
- if (encodingLength <= Pos+1)
- {
- User::Leave(KErrArgument);
- }
- }
- T<<=7;
- T+=(TUint8)iEncoding[Pos];
- }
- else
- {
- T=(TUint8)(iEncoding[Pos]&0x1f);
- }
- iExplicitTag = T;
- Pos++;
-
- TUint8 l = iEncoding[Pos];
- if (l > 128)
- {
- // this is a length of length
- if (encodingLength <= Pos+1)
- {
- User::Leave(KErrArgument);
- }
- LengthOfLength=iEncoding[Pos++]&127;
- Length=0;
- while (LengthOfLength)
- {
- if (encodingLength <= Pos+1)
- {
- User::Leave(KErrArgument);
- }
- Length<<=8;
- Length+=iEncoding[Pos++];
- LengthOfLength--;
- }
- }
- if (l == 128)
- {
- //this is constructed, indefinite length: we don't support this
- User::Leave(KErrNotSupported);
- }
- if (l < 128)
- {
- //this is a straight length
- Length = iEncoding[Pos++];
- }
- if (((Length+Pos)>encodingLength) || (Length < 0))
- {
- User::Leave(KErrArgument);
- }
- iStartOfContents = Pos;
- iLength = Length;
- }
-
-EXPORT_C TPtrC8 TASN1DecGeneric::GetContentDER(void) const
- {
- return iEncoding.Mid(iStartOfContents, iLength);
- }
-
-EXPORT_C TInt TASN1DecGeneric::LengthDER(void) const
- {
- return iLength+iStartOfContents;
- }
-
-EXPORT_C TInt TASN1DecGeneric::LengthDERContent(void) const
- {
- return iLength;
- }
-
-EXPORT_C TInt TASN1DecGeneric::LengthDERHeader() const
- {
- return LengthDER() - LengthDERContent();
- }
-
-EXPORT_C TPtrC8 TASN1DecGeneric::Encoding() const
- {
- return iEncoding.Left(LengthDER());
- }
-
-EXPORT_C TTagType TASN1DecGeneric::Tag() const
-// we can inline this
- {
- return iExplicitTag;
- }
-
-EXPORT_C TASN1Class TASN1DecGeneric::Class() const
-// we can inline this
- {
- return iClass;
- }
+/*
+* Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+#include "asn1dec.h"
+
+EXPORT_C TASN1DecGeneric::TASN1DecGeneric(const TDesC8& aSource):
+ iEncoding(aSource)
+ {
+ }
+
+EXPORT_C void TASN1DecGeneric::InitL()
+
+// x209 6.2, 6.3
+ {
+ if(iEncoding.Length() < KASN1ObjectMinLength)
+ {
+ User::Leave(KErrArgument);
+ }
+
+ TInt i=iEncoding[0];
+ TInt b=i>>6;
+ iClass=(TASN1Class)b;
+
+ TInt Length=0;
+ TInt LengthOfLength=1;
+ TInt Pos=0;
+ TInt T=0;
+ TInt encodingLength = iEncoding.Length();
+ // work out tag
+ if ((iEncoding[Pos]&0x1f)==0x1f)
+ {
+ // tag greater than 30
+ Pos++;
+ if (encodingLength <= Pos+1)
+ {
+ User::Leave(KErrArgument);
+ }
+ while (iEncoding[Pos]>=128)
+ {
+ T<<=7;
+ T+=(TUint8)(iEncoding[Pos]&127); // this raises warning if TTagType is TUint8
+ Pos++;
+ if (encodingLength <= Pos+1)
+ {
+ User::Leave(KErrArgument);
+ }
+ }
+ T<<=7;
+ T+=(TUint8)iEncoding[Pos];
+ }
+ else
+ {
+ T=(TUint8)(iEncoding[Pos]&0x1f);
+ }
+ iExplicitTag = T;
+ Pos++;
+
+ TUint8 l = iEncoding[Pos];
+ if (l > 128)
+ {
+ // this is a length of length
+ if (encodingLength <= Pos+1)
+ {
+ User::Leave(KErrArgument);
+ }
+ LengthOfLength=iEncoding[Pos++]&127;
+ Length=0;
+ while (LengthOfLength)
+ {
+ if (encodingLength <= Pos+1)
+ {
+ User::Leave(KErrArgument);
+ }
+ Length<<=8;
+ Length+=iEncoding[Pos++];
+ LengthOfLength--;
+ }
+ }
+ if (l == 128)
+ {
+ //this is constructed, indefinite length: we don't support this
+ User::Leave(KErrNotSupported);
+ }
+ if (l < 128)
+ {
+ //this is a straight length
+ Length = iEncoding[Pos++];
+ }
+ if (((Length+Pos)>encodingLength) || (Length < 0))
+ {
+ User::Leave(KErrArgument);
+ }
+ iStartOfContents = Pos;
+ iLength = Length;
+ }
+
+EXPORT_C TPtrC8 TASN1DecGeneric::GetContentDER(void) const
+ {
+ return iEncoding.Mid(iStartOfContents, iLength);
+ }
+
+EXPORT_C TInt TASN1DecGeneric::LengthDER(void) const
+ {
+ return iLength+iStartOfContents;
+ }
+
+EXPORT_C TInt TASN1DecGeneric::LengthDERContent(void) const
+ {
+ return iLength;
+ }
+
+EXPORT_C TInt TASN1DecGeneric::LengthDERHeader() const
+ {
+ return LengthDER() - LengthDERContent();
+ }
+
+EXPORT_C TPtrC8 TASN1DecGeneric::Encoding() const
+ {
+ return iEncoding.Left(LengthDER());
+ }
+
+EXPORT_C TTagType TASN1DecGeneric::Tag() const
+// we can inline this
+ {
+ return iExplicitTag;
+ }
+
+EXPORT_C TASN1Class TASN1DecGeneric::Class() const
+// we can inline this
+ {
+ return iClass;
+ }
+