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.\" DO NOT MODIFY THIS FILE! It was generated by gdoc.
.TH "pskc_get_key_data_timedrift" 3 "2.6.1" "libpskc" "libpskc"
.SH NAME
pskc_get_key_data_timedrift \- API function
.SH SYNOPSIS
.B #include <pskc.h>
.sp
.BI "uint32_t pskc_get_key_data_timedrift(pskc_key_t * " key ", int * " present ");"
.SH ARGUMENTS
.IP "pskc_key_t * key" 12
a \fBpskc_key_t\fP handle, from \fBpskc_get_keypackage()\fP.
.IP "int * present" 12
output variable indicating whether data was provided or not.
.SH "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 intervals that a validation server has
established the device clock drifted after the last successful
authentication. So, for example, 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 \fIpresent\fP is non\-NULL, it will be 0 if the field is not present
or 1 if it was present.
.SH "RETURNS"
an integer holding the content.
.SH "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/
.SH COPYRIGHT
Copyright \(co 2012-2015 Simon Josefsson.
.br
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.
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