The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

    http://creativecommons.org/publicdomain/zero/1.0/ */

 package org.mozilla.gecko.background.testhelpers;

 import java.math.BigInteger;

 import org.mozilla.gecko.sync.jpake.JPakeNumGenerator;

 public class JPakeNumGeneratorFixed implements JPakeNumGenerator {

   private String[] values;

   private int index = 0;

   public JPakeNumGeneratorFixed(String[] values) {

     this.values = values;

   }

   @Override

   public BigInteger generateFromRange(BigInteger r) {

     BigInteger ret = new BigInteger(values[index], 16).mod(r);

     index = (++index) % values.length;

     return ret;

   }

 }