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pskc_get_key_a...ll_checkdigits(3)   libpskc  pskc_get_key_a...ll_checkdigits(3)

NAME
     pskc_get_key_algparm_chall_checkdigits - API function

SYNOPSIS
     #include <pskc.h>

     int   pskc_get_key_algparm_chall_checkdigits(pskc_key_t   *   key,   int  *
     present);

ARGUMENTS
     pskc_key_t * key
		 a pskc_key_t handle, from pskc_get_keypackage().

     int * present
		 output variable indicating whether data was provided or not.

DESCRIPTION
     Get the PSKC KeyPackage Key AlgorithmParameters ChallengeFormat CheckDigits
     value.  This attribute indicates whether a device needs to  check	the  ap-
     pended  Luhn  check digit, as defined in [ISOIEC7812], contained in a chal-
     lenge.  This is only valid if the 'Encoding' attribute is set to 'DECIMAL'.
     A value of TRUE indicates that the device	will  check  the  appended  Luhn
     check  digit  in a provided challenge.  A value of FALSE indicates that the
     device will not check the appended Luhn check digit in the challenge.

     If present is non-NULL, it will be 0 if the field is not present or 1 if it
     was present.

RETURNS
     1 to indicate a CheckDigits value of true, or 0 to indicate false.

REPORTING BUGS
     Report  bugs  to  <oath-toolkit-help@nongnu.org>.	  libpskc   home   page:
     https://oath-toolkit.codeberg.page/   General   help  using  GNU  software:
     http://www.gnu.org/gethelp/

COPYRIGHT
     Copyright (C) 2009-2026 Simon Josefsson.
     Copying and distribution of this file, with or  without  modification,  are
     permitted	in  any medium without royalty provided the copyright notice and
     this notice are preserved.

libpskc 			     2.6.14   pskc_get_key_a...ll_checkdigits(3)

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