using System;

using System.Text;

using System.Security.Cryptography;

​

// Commonly used trivial passwords:

// a     +FAwP4iI7/Pu4WB3HdIHbbFmteLahPAVkjJShKeozAA=

// 1     UyiHNQ7D3ZLNnmTna55DMxpGnMfY3omaEpDCu2YdLhg=

// test  2+IIP7ErCPPKxFjJXc59GFx2+w/1VTLHjJ2duc04CYQ=

// 1234  IzjWnFxCJArhBgkJix0BVpjKp5JRnxZoF3nW4XMfWbk=

public class Program

{

    public static void Main()

    {

        var pbkdf2 = new Rfc2898DeriveBytes(

            password: Encoding.Unicode.GetBytes("1234"),

            salt: Encoding.ASCII.GetBytes("21.project.ets.knx.org"),

            iterations: 65536,

            hashAlgorithm: HashAlgorithmName.SHA256);

        var zipPassword = Convert.ToBase64String(pbkdf2.GetBytes(32));

        Console.WriteLine(zipPassword);

    }

}

​