(Perl) ScMinidriver - Change Smart Card PIN (or USB token PIN)

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Demonstrates how to change the PIN for a smart card or USB token.

Chilkat Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux, Solaris

use chilkat();

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$scmd = chilkat::CkScMinidriver->new();

# Reader names (smart card readers or USB tokens) can be discovered
# via List Readers or Find Smart Cards
$readerName = "Alcor Micro USB Smart Card Reader 0";
$success = $scmd->AcquireContext($readerName);
if ($success == 0) {
    print $scmd->lastErrorText() . "\r\n";
    exit;
}

# If successful, the name of the currently inserted smart card is available:
print "Card name: " . $scmd->cardName() . "\r\n";

# Change the "user" PIN.  (Typically, you'll always be using the "user" PIN.)
$currentPin = "0000";
$newPin = "1234";
$retval = $scmd->PinChange("user",$currentPin,$newPin);
if ($retval == -1) {
    print "The PIN is already blocked." . "\r\n";
    exit;
}

if ($retval == -2) {
    print "The PinChange function failed for some unanticipated reason" . "\r\n";
    print $scmd->lastErrorText() . "\r\n";
    exit;
}

if ($retval == 0) {
    print "PIN successfully changed." . "\r\n";
}
else {
    print "Current PIN is incorrect." . "\r\n";
    print "Number of attempts remaining = " . $retval . "\r\n";
}

$scmd->DeleteContext();