Info Catalog gnupg: Scdaemon PASSWD gnupg: Scdaemon Protocol gnupg: Scdaemon RESTART

gnupg: Scdaemon CHECKPIN

 
 6.6.13 Perform a VERIFY operation
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        CHECKPIN IDSTR
 
    Perform a VERIFY operation without doing anything else.  This may be
 used to initialize a the PIN cache earlier to long lasting operations.
 Its use is highly application dependent:
 
 *OpenPGP*
 
      Perform a simple verify operation for CHV1 and CHV2, so that
      further operations won't ask for CHV2 and it is possible to do a
      cheap check on the PIN: If there is something wrong with the PIN
      entry system, only the regular CHV will get blocked and not the
      dangerous CHV3.  IDSTR is the usual card's serial number in hex
      notation; an optional fingerprint part will get ignored.
 
      There is however a special mode if IDSTR is suffixed with the
      literal string '[CHV3]': In this case the Admin PIN is checked if
      and only if the retry counter is still at 3.
 

Info Catalog gnupg: Scdaemon PASSWD gnupg: Scdaemon Protocol gnupg: Scdaemon RESTART