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Perl

Convert to DER encoded X.509 Certificate (.cer, .crt)

See more Certificates Examples

Loads a digital certificate from any format and saves to a binary DER encoded X.509 Certificate (.cer, .crt).

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Perl
use chilkat();

$success = 0;

$cert = chilkat::CkCert->new();

# LoadFromFile will load virtually any certificate format file.
# It will auto-recognize the format and load appropiately.
# In this case, load a PEM format certificate and convert to DER.
$success = $cert->LoadFromFile("/Users/chilkat/testData/pem/chilkat.pem");
if ($success != 1) {
    print $cert->lastErrorText() . "\r\n";
    exit;
}

$success = $cert->ExportCertDerFile("chilkat.der");
if ($success != 1) {
    print $cert->lastErrorText() . "\r\n";
    exit;
}

print "Converted certificate from PEM to DER format." . "\r\n";