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(Perl) Verify SSL Server Certificate

Demonstrates how to connect to an SSL server and verify its SSL certificate.

Chilkat Perl Downloads

Perl Module for Windows, Linux, MAC OS X, Solaris, and FreeBSD

use chilkat();

$socket = new chilkat::CkSocket();

$success = $socket->UnlockComponent("Anything for 30-day trial");
if ($success != 1) {
    print $socket->lastErrorText() . "\r\n";
    exit;
}

$ssl = 1;
$maxWaitMillisec = 20000;

#  The SSL server hostname may be an IP address, a domain name,
#  or "localhost".

$sslServerHost = "www.paypal.com";
$sslServerPort = 443;

#  Connect to the SSL server:
$success = $socket->Connect($sslServerHost,$sslServerPort,$ssl,$maxWaitMillisec);
if ($success != 1) {
    print $socket->lastErrorText() . "\r\n";
    exit;
}

# cert is a Cert
$cert = $socket->GetSslServerCert();
if (!($cert eq null )) {

    print "Server Certificate:" . "\r\n";
    print "Distinguished Name: " . $cert->subjectDN() . "\r\n";
    print "Common Name: " . $cert->subjectCN() . "\r\n";
    print "Issuer Distinguished Name: " . $cert->issuerDN() . "\r\n";
    print "Issuer Common Name: " . $cert->issuerCN() . "\r\n";

    $bExpired = $cert->get_Expired();
    $bRevoked = $cert->get_Revoked();
    $bSignatureVerified = $cert->get_SignatureVerified();
    $bTrustedRoot = $cert->get_TrustedRoot();

    print "Expired: " . $bExpired . "\r\n";
    print "Revoked: " . $bRevoked . "\r\n";
    print "Signature Verified: " . $bSignatureVerified . "\r\n";
    print "Trusted Root: " . $bTrustedRoot . "\r\n";

}

#  Close the connection with the server
#  Wait a max of 20 seconds (20000 millsec)
$success = $socket->Close(20000);

 

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