(Node.js) ARC4 PRNG (Pseudo Random Number Generator)

Uses the ARC4 stream encryption algorithm as a pseudo random number generator.

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() {

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

    var crypt = new chilkat.Crypt2();

    // Set the encryption algorithm to ARC4:	
    crypt.CryptAlgorithm = "arc4";

    // We want the encrypted output to be a hex-encoded string.
    crypt.EncodingMode = "hex";

    var key = "000102030405060708090A0B0C0D0E0F";
    var data = "12345678";

    // Key length is 128 bits in this example.
    crypt.KeyLength = 128;
    crypt.SetEncodedKey(key,"hex");

    // Generate 16 "random" 8-byte blocks, encoded as hex strings.
    // This example will generate the identical output each time
    // it is run.
    var cipherHex;
    var i;
    for (i = 0; i <= 15; i++) {
        cipherHex = crypt.EncryptStringENC(data);
        console.log(data);
        console.log(cipherHex);
        data = cipherHex;
    }


}

chilkatExample();