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pskc_get_key_data_timedrift(3)	    libpskc	pskc_get_key_data_timedrift(3)

NAME
       pskc_get_key_data_timedrift - API function

SYNOPSIS
       #include	<pskc.h>

       uint32_t	pskc_get_key_data_timedrift(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 Data	TimeDrift value.   This	 element  con-
       tains  the device clock drift value for time-based OTP algorithms.  The
       integer value (positive or negative drift) that indicates the number of
       time intervals that a validation	 server	 has  established  the	device
       clock  drifted after the	last successful	authentication.	 So, for exam-
       ple, if the last	successful authentication established  a  device  time
       value  of  8  intervals	from  a	specific start date but	the validation
       server determines the time value	at  9  intervals,  the	server	SHOULD
       record the drift	as -1.

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

RETURNS
       an integer holding the content.

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 (C) 2012-2020 Simon Josefsson.
       Copying and distribution	of this	file, with  or	without	 modification,
       are  permitted in any medium without royalty provided the copyright no-
       tice and	this notice are	preserved.

libpskc				     2.6.9	pskc_get_key_data_timedrift(3)

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