pskc_get_key_algparm_chall_checkdigits man page

pskc_get_key_algparm_chall_checkdigits — API function


#include <pskc.h>

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


pskc_key_t * key
a pskc_key_t handle, from pskc_get_keypackage().
int * present
output variable indicating whether data was provided or not.


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.


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: http://www.gnu.org/software/libpskc/ General help using GNU software: http://www.gnu.org/gethelp/


libpskc 2.6.1