using System;

using System.Security.Cryptography;

using System.Web;           

public class Program

{

    public static void Main()

    {

        using RSA rsa = RSA.Create(2048);

        string publicKeyPem = rsa.ExportRSAPublicKeyPem();

        var jsEncoded = HttpUtility.JavaScriptStringEncode(publicKeyPem);

        Console.WriteLine(jsEncoded);

    }

}