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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 contains
     the device clock drift value for time-based OTP  algorithms.   The  integer
     value (positive or negative drift) that indicates the number of time inter-
     vals  that a validation server has established the device clock drifted af-
     ter the last successful authentication.  So, for example, if the last  suc-
     cessful  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://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_data_timedrift(3)

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