On Fri, 2011-01-14 at 18:31 +0100, Viktor TARASOV wrote:
> On 14.01.2011 17:53, Andre Zepezauer wrote:
> > On Fri, 2011-01-14 at 17:31 +0100, Viktor TARASOV wrote:
> >> On 14.01.2011 16:51, Andre Zepezauer wrote:
> >>> On Fri, 2011-01-14 at 16:00 +0100, Viktor TARASOV wrote:
> >>>> On 14.01.2011 15:17, Andre Zepezauer wrote:
> >>>>> On Fri, 2011-01-14 at 14:14 +0100, Viktor TARASOV wrote:
> >>>>>> On 14.01.2011 13:37, Andre Zepezauer wrote:
> >>>>>>> On Fri, 2011-01-14 at 10:20 +0100, Viktor TARASOV wrote:
> >>>>>>>> Hello Andre,
> >>>>>>>>
> >>>>>>>> On 14.01.2011 04:24, Andre Zepezauer wrote:
> >>>>>>>>> please have a look at PKCS#15 "6.8.2 Pin objects" for the 
> >>>>>>>>> definition of
> >>>>>>>>> local and global PIN objects. There is no mention of storage 
> >>>>>>>>> location.
> >>>>>>>> There is mention of 'path'.
> >>>>>>>> The difference between 'global' and 'local' is that the first one 
> >>>>>>>> can be verified from any location on the card,
> >>>>>>>> the second one is 'visible' only from somewhere under the DF (or 
> >>>>>>>> application) where it's defined.
> >>>>>>>>
> >>>>>>>> So, we need (or, if you like, it's useful) to have 'path' defined 
> >>>>>>>> for the local PINs, to be able to select it's path before 
> >>>>>>>> verification.
> >>>>>> My previous assumptions comes from this citation.
> >>>>>> It seems that I am terribly missing something. Can you give more 
> >>>>>> details?
> >>>>>>
> >>>>>>
> >>>>>>>>      From PKCS#15 6.8.2 Pin objects:
> >>>>>>>      "PinAttributes.path: Path to the DF in which the PIN resides. 
> >>>>>>> The path shall be selected
> >>>>>>>       by a host application before doing a PIN operation, in order to 
> >>>>>>> enable a suitable
> >>>>>>>       authentication context for the PIN operation.
> >>>>>> That's 'local' PIN.
> >>>>>>
> >>>>>>> If not present, a card-holder verification
> >>>>>>>       must always be possible to perform without a prior `SELECT' 
> >>>>>>> operation."
> >>>>>> That's the global one.
> >>>>>>
> >>>>>>
> >>>>>> So we desperately need the 'path' for the local PINs. So that 'host 
> >>>>>> application' can select the path
> >>>>>> 'before doing a PIN operation'.
> >>>>>> You probably know another way to do verification from the random 
> >>>>>> location on the card ?
> >>>>> Take Java Card with PKI applet as an example. Once the applet is
> >>>>> selected, it is possible to perform the VERIFY command from every
> >>>>> location within that applet. That's 'local' PIN too. Because it's only
> >>>>> valid for that applet but not for the whole card.
> >>>> OK, let us adjust the terminology.
> >>>> I am talking about the PKCS#15 card. This card starts from some MF, 
> >>>> where exist EF.DIR, probably EF.ATR, ..., as well as application DFs.
> >>>> The AID of application DFs are present in the EF.DIR records.
> >>>> The global PINs are defined at the MF level or above, the local ones are 
> >>>> defined in application DFs.
> >>>>
> >>>> In my comprehension to create/use the PKCS#15 objects you don't need to 
> >>>> jump higher then MF, and thus to reset status of 'global' PINs.
> >>>> You have another vision, examples ?
> >>>>
> >>>>
> >>>>> BTW care must be take with re-selecting an applet in Java Cards, because
> >>>>> it may invalidate all previously verified PINs.
> >>>> The AIDs of the applets of your Java Card, are they present in some 
> >>>> EF.DIR ?
> >>>> Can its be discovered by the procedure previewed by PKCS#15 ?
> >>> You only need to have a default applet that can handle "SELECT 2F00" and
> >>> "READ BINARY" to dump EF.DIR. The next command would be a "SELECT BY
> >>> NAME", which is handled by the runtime environment and switches form one
> >>> applet to another. Now you can proceed with 5031 and 5032.
> >>
> >> Well, it seems that we are talking about the same thing.
> >>
> >> We've gone away from the original item.
> >> Do you have something against committed proposal to complete the missing 
> >> 'path' for the local PINs when decoding AODF ?
> > Yes, the patch you have committed is a fix for cards not following
> > PKCS#15 and ISO 7816-15. Therefore it is placed wrong. Your current
> > proposal effects every card not only the broken ones.
> 
> 
> Explain me please how it effects the other cards.
> 
> The other 'normal' cards
>   - for the local PINs they have 'local' set in their pinFlags and have the 
> 'path' in pinAttributes;
>   - for the global PIN they have no 'local' in pinFlags and have no path in 
> pinAttributes.
> 
> 
> There are 'anormal' cards that for the local PINs have flag 'local' in 
> pinFlags, but have no 'path' in pinAttributes.
> My proposal concerns these ones.
> 
> 
> Please, give me a detailed description of the PinAttributes that can be 
> effected by this proposal.

Local PIN with no path required.


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