For information on a complete ( but very heavy to implement ) way of managing
this, see RSA LAbs PKCS#15 standard...
http://www.rsa.com/rsalabs/pubs/PKCS/html/pkcs-15.html
I have yet to find anyone who actually implements this - but then again the
standard was only finalized this month. If you need help wading through the
prose, let me know :)
[EMAIL PROTECTED] wrote:
> >I would like to know if it is possible to retrieve information about
> >what files(EF) and/or directories(DF) exist on a card (I have an
> >Opencard DEMOCARD). Is it, for instance, possible to list files in a
> >directory (DF)? If that's not possible I'll have to remember path and
> >name of every file/directory I create and that seems somewhat difficult.
>
> Martin,
>
> the card operating systems on the market usually provide no possibility to
> get a list of
> the files in a directory.
>
> Often, a directory file located in the MF of a card is used to store a list
> of the applications
> on the card. By reading this file, you can at least find out which
> applications are on
> the card.
>
> In most cases, the assumtion is that the application that deals with the
> card only needs to
> check whether the appropriate application DF is on the card and then knows
> the file IDs
> or short file IDs of all EFs in that DF as well as the keys to access them.
>
> Best Regards,
>
> Thomas
>
> Thomas Schaeck
> IBM Pervasive Computing Division - Smart Card Solutions
> E-mail: [EMAIL PROTECTED]
>
> Please respond to Martin Sigbjorn <[EMAIL PROTECTED]>
>
> To: Open Card <[EMAIL PROTECTED]>
> cc: (bcc: Uwe Hansmann/Germany/IBM)
> Subject: [OCF] Getting information about files for MFC 4.0
>
> ------------------------------------------------------------------------
>
> Hi!
> I would like to know if it is possible to retrieve information about
> what files(EF) and/or directories(DF) exist on a card (I have an
> Opencard DEMOCARD). Is it, for instance, possible to list files in a
> directory (DF)? If that's not possible I'll have to remember path and
> name of every file/directory I create and that seems somewhat difficult.
>
> regards
> /Martin Sigbj�rn
> Visit the OpenCard Framework's WWW site at http://www.opencard.org/ for
> access to documentation, code, presentations, and OCF announcements.
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Visit the OpenCard Framework's WWW site at http://www.opencard.org/ for
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