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NIIBE Yutaka fec75a3868 scd: Support PASSWD --clear for OpenPGP card.
* scd/app-openpgp.c (do_change_pin): Implement handling
APP_CHANGE_FLAG_CLEAR.

--

It is specified in the specification version 3.1 or later.  Some
version 2 cards (including Gnuk) support this feature.  Any version 1
card has no support for this feature.

For CHVNO = 1, it clears for both of 81 and 82; That is, user's key
usages for signing and others (decryption and auth).
For CHVNO = 3, it clears for 83, admin key.

For CHVNO = 2, it clears 82; That is, user's key usages
others (decryption and auth).

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2019-01-23 12:12:54 +09:00
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2019-01-21 14:06:51 +01:00
2018-10-24 15:56:18 -04:00
2019-01-21 14:06:51 +01:00