(Node.js) Create a WinZip/7-Zip compatible AES Encrypted Zip

Creates a WinZip compatible AES-encrypted .zip archive

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

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var zip = new chilkat.Zip();

    var success = zip.NewZip("/myZipDir/aes.zip");
    if (success !== true) {
        console.log(zip.LastErrorText);
        return;
    }

    // Set properties to indicate that the Zip should be
    // AES encrypted.

    // A value of 4 indicates WinZip compatible AES encryption.
    zip.Encryption = 4;

    // Key length can be 128, 192, or 256 bits.
    zip.EncryptKeyLength = 128;

    // Set the password for AES encryption:
    zip.EncryptPassword = "myPassword";

    // Add a directory tree to be zipped.  (The files
    // are not compressed at this point -- only references
    // to the files and directories are added to the zip object.)
    var recurse = true;
    success = zip.AppendFiles("c:/temp/a/*",recurse);
    if (success !== true) {
        console.log(zip.LastErrorText);
        return;
    }

    // Create the encrypted zip ("/myZipDir/aes.zip")
    // The path of the zip is what was originally passed
    // to the NewZip method (above).  
    var success = zip.WriteZipAndClose();
    if (success !== true) {
        console.log(zip.LastErrorText);
        return;
    }

    console.log("Created AES Encrypted Zip.");

}

chilkatExample();