Sample code for 30+ languages & platforms
Node.js

Load DER encoded X.509 Certificate (.cer, .crt)

See more Certificates Examples

Loads a digital certificate from a binary DER encoded X.509 Certificate (.cer, .crt) and fetches information about the cert.

Chilkat Node.js Downloads

Node.js
NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    var cert = new chilkat.Cert();

    // LoadFromFile will load virtually any certificate format file.
    // It will auto-recognize the format and load appropiately.
    success = cert.LoadFromFile("/Users/chilkat/testData/cer/chilkat_ssl.cer");
    if (success !== true) {
        console.log(cert.LastErrorText);
        return;
    }

    // DN = "Distinguished Name"
    console.log("SubjectDN:" + cert.SubjectDN);

    console.log("Common Name:" + cert.SubjectCN);
    console.log("Issuer Common Name:" + cert.IssuerCN);

    console.log("Serial Number:" + cert.SerialNumber);

}

chilkatExample();