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Perl

ScMinidriver - List Certificates on a Smart Card or USB Token

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Gets a list of certificates contained on a smart card or USB token.

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Chilkat2 Perl
use strict;
use warnings;
use Chilkat2;

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

my $scmd = Chilkat2::ScMinidriver->new;

# Reader names (smart card readers or USB tokens) can be discovered
# via PCSC List Readers or PCSC Find Smart Cards
my $readerName = 'SCM Microsystems Inc. SCR33x USB Smart Card Reader 0';
my $success = $scmd->AcquireContext($readerName);
if (!$success) {
    print $scmd->LastErrorText, "\n";
    exit;
}

my $stCerts = Chilkat2::StringTable->new;

# We can choose one of the following items of information to get for each certificate:
# "subjectDN" -- Return the full distinguished name of the cert.
# "subjectDN_withTags" -- Same as above, but in a format that includes the subject part tags, such as the "CN=" in "CN=something"
# "subjectCN" -- Return just the common name part of the certificate's subject.
# "serial" -- Return the certificate serial number.
# "serial:issuerCN" -- return the certificate serial number + the issuer's common name, delimited with a colon char.
my $certPart = 'subjectCN';

$success = $scmd->ListCerts($certPart, $stCerts);
if (!$success) {
    print $scmd->LastErrorText, "\n";
    exit;
}

my $numCerts = $stCerts->Count;
my $i = 0;
while ($i < $numCerts) {
    print $i, ': ', $stCerts->StringAt($i), "\n";
    $i = $i + 1;
}

# Delete the context when finished with the card.
$success = $scmd->DeleteContext();
if (!$success) {
    print $scmd->LastErrorText, "\n";
}