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 appended Luhn check  digit,  as  defined  in  [ISOIEC7812],
       contained  in  a challenge.  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://www.nongnu.org/oath-toolkit/
       General help using GNU software: http://www.gnu.org/gethelp/

COPYRIGHT

       Copyright © 2012-2020 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                                              2.6.11            pskc_get_key_algparm_chall_checkdigits(3)