(Node.js) Example: Crypt2.LastSignerCert method

Demonstrates how to call the LastSignerCert method.

Note: This example requires Chilkat v11.0.0 or greater.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOS

var os = require('os');
if (os.platform() == 'win32') {  
  var chilkat = require('@chilkat/ck-node23-win64'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node23-linux-arm');
    } else if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node23-linux-arm64');
    } else {
        var chilkat = require('@chilkat/ck-node23-linux-x64');
    }
} else if (os.platform() == 'darwin') {
  var chilkat = require('@chilkat/ck-node23-mac-universal');
}

function chilkatExample() {

    var crypt = new chilkat.Crypt2();

    var p7m_path = "qa_data/p7m/Firma.docx.p7m";
    var out_path = "qa_output/Firma.docx";

    var success = crypt.VerifyP7M(p7m_path,out_path);
    if (success == false) {
        console.log(crypt.LastErrorText);
        return;
    }

    // Examine the certificate(s) used for signing.
    var numSigners = crypt.NumSignerCerts;
    var i = 0;

    var cert = new chilkat.Cert();

    while (i < numSigners) {
        crypt.LastSignerCert(i,cert);
        console.log("Signer: " + cert.SubjectDN);
        i = i+1;
    }


}

chilkatExample();