OpenPGP card specification 2.0 improvement?

Werner Koch wk at
Wed May 18 14:54:00 CEST 2011

On Tue, 17 May 2011 02:31, gniibe at said:

> If a card supports variable length of PIN, it would be better to have
> format to specify length of input on host side.

The standard does not allow for this.  Hwoever there is a simple
workaround:  Do a VERIFY for the old PIN first to see whether it is
correct and only then assemble the CHANGEREFERENCEDATA.



Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.

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