JavaScript

Get Issuer Certificate Information

See more Certificates Examples

A certificate contains information about its issuer. This example demonstrates how to get the issuer information from a certificate. JavaScript

var success = false;

var cert = new CkCert();

success = cert.LoadFromFile("qa_data/certs/sample.cer");
if (success == false) {
    console.log(cert.LastErrorText);
    return;
}

// Get issuer information:

// -----------------------------------------------------------------------
// (Not all subject fields may exist depending on the issuer certificate.)
// -----------------------------------------------------------------------

// Issuer DN (Distinguished Name, i.e. all the Issuer subject parts)
console.log("DN: " + cert.IssuerDN);

// Common Subject parts:
// Issuer Common Name
console.log("CN: " + cert.IssuerCN);

// Issuer Country
console.log("C: " + cert.IssuerC);

// Issuer Email address
console.log("E: " + cert.IssuerE);

// Issuer Locality
console.log("L: " + cert.IssuerL);

// Issuer Organization
console.log("O: " + cert.IssuerO);

// Issuer Organizational Unit
console.log("OU: " + cert.IssuerOU);

// Issuer State
console.log("S: " + cert.IssuerS);