OpenPGP card specification 2.0 improvement?

[NIIBE Yutaka]

2011-05-16 Werner Koch wrote:
> However, this is standard ISO 7816 behaviour.  I know several cards
> which do it this way.

Thanks, I see.

When a card only supports fixed length of PIN input, host program can
check if the length of PIN input is correct.  In this case, there is
no problem.

I think that fixed length PIN input is virtually standard for most of
usages.

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