import java.math.BigInteger;
import javax.crypto.spec.*;

public class Skip {
  // http://skip.incog.com/spec/numbers.html
  // Simple Key Management for Internet Protocols.
  // Using DH (Diffie-Hellman standard).
  // 1024 DH parameter defined by SKIP. First 79 bytes of ASCII
  // representation of a quote by Gandhi. "Whatever you do is insignificant,
  // but it is very important that you do it."  512, 1024, and 2048 bit modulus
  // parameters are supported.  The resulting keys are the length of the modulus,
  // i.e., 512, 1024, or 2048 bits.

  private static final String skip1024String =
     "F488FD584E49DBCD" + "20B49DE49107366B" + "336C380D451D0F7C" +
     "88B31C7C5B2D8EF6" + "F3C923C043F0A55B" + "188D8EBB558CB85D" +
     "38D334FD7C175743" + "A31D186CDE33212C" + "B52AFF3CE1B12940" +
     "18118D7C84A70A72" + "D686C40319C80729" + "7ACA950CD9969FAB" +
     "D00A509B0246D308" + "3D66A45D419F9C7C" + "BD894B221926BAAB" +
     "A25EC355E92F78C7";

  // Create modulus from string.
  private static final BigInteger skip1024Modulus = new BigInteger(skip1024String, 16);

  //Base
  private static final BigInteger skip1024Base = BigInteger.valueOf(2);

  //DH parameter specification
  public static final DHParameterSpec sDHParameterSpec =
    new DHParameterSpec( skip1024Modulus, skip1024Base );
}