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diff --git a/src/org/jboss/security/srp/SRPConf.java b/src/org/jboss/security/srp/SRPConf.java
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+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2008, Red Hat Middleware LLC, and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.security.srp;
+
+import java.math.BigInteger;
+
+import org.jboss.crypto.CryptoUtil;
+
+/** A port of the libsrp/t_conf.c predefined constants for the N & g parameters
+of the SRP algorithm. It contains a collection of "good" primes for N and the
+corresponding the corresponding generator g.
+
+This product includes software developed by Tom Wu and Eugene
+Jhong for the SRP Distribution (http://srp.stanford.edu/srp/).
+
+@author Scott.Stark@jboss.org
+@version $Revision: 81038 $
+*/
+public class SRPConf
+{
+    /* Master builtin parameter storage object */
+    public static class SRPParams
+    {
+        String modb64;
+        String genb64;
+        String comment;
+        BigInteger N;
+        BigInteger g;
+        SRPParams(String modb64, String genb64, String comment)
+        {
+            this.modb64 = modb64;
+            this.genb64 = genb64;
+            this.comment = comment;
+        }
+        public byte[] Nbytes()
+        {
+            return CryptoUtil.fromb64(modb64);
+        }
+        public byte[] gbytes()
+        {
+            return CryptoUtil.fromb64(genb64);
+        }
+        public BigInteger N()
+        {
+            if( N == null )
+                N = new BigInteger(1, CryptoUtil.fromb64(modb64));
+            return N;
+        }
+        public BigInteger g()
+        {
+            if( g == null )
+                g = new BigInteger(1, CryptoUtil.fromb64(genb64));
+            return g;
+        }
+        public String getComment()
+        {
+            return comment;
+        }
+    }
+
+    static SRPParams[] pre_params = {
+        new SRPParams("3Kn/YYiomHkFkfM1x4kayR125MGkzpLUDy3y14FlTMwYnhZkjrMXnoC2TcFAecNlU5kFzgcpKYUbBOPZFRtyf3",
+            "2", null),
+        new SRPParams("CbDP.jR6YD6wAj2ByQWxQxQZ7.9J9xkn2.Uqb3zVm16vQyizprhBw9hi80psatZ8k54vwZfiIeEHZVsDnyqeWSSIpWso.wh5GD4OFgdhVI3",
+            "2", null),
+        new SRPParams("iqJ7nFZ4bGCRjE1F.FXEwL085Zb0kLM2TdHDaVVCdq0cKxvnH/0FLskJTKlDtt6sDl89dc//aEULTVFGtcbA/tDzc.bnFE.DWthQOu2n2JwKjgKfgCR2lZFWXdnWmoOh",
+            "2", null),
+        new SRPParams("///////////93zgY8MZ2DCJ6Oek0t1pHAG9E28fdp7G22xwcEnER8b5A27cED0JTxvKPiyqwGnimAmfjybyKDq/XDMrjKS95v8MrTc9UViRqJ4BffZes8F//////////",
+            "7", "oakley prime 1"),
+        new SRPParams("Ewl2hcjiutMd3Fu2lgFnUXWSc67TVyy2vwYCKoS9MLsrdJVT9RgWTCuEqWJrfB6uE3LsE9GkOlaZabS7M29sj5TnzUqOLJMjiwEzArfiLr9WbMRANlF68N5AVLcPWvNx6Zjl3m5Scp0BzJBz9TkgfhzKJZ.WtP3Mv/67I/0wmRZ",
+            "2", null),
+        new SRPParams("F//////////oG/QeY5emZJ4ncABWDmSqIa2JWYAPynq0Wk.fZiJco9HIWXvZZG4tU.L6RFDEaCRC2iARV9V53TFuJLjRL72HUI5jNPYNdx6z4n2wQOtxMiB/rosz0QtxUuuQ/jQYP.bhfya4NnB7.P9A6PHxEPJWV//////////",
+            "5", "oakley prime 2"),
+        new SRPParams("3NUKQ2Re4P5BEK0TLg2dX3gETNNNECPoe92h4OVMaDn3Xo/0QdjgG/EvM.hiVV1BdIGklSI14HA38Mpe5k04juR5/EXMU0r1WtsLhNXwKBlf2zEfoOh0zVmDvqInpU695f29Iy7sNW3U5RIogcs740oUp2Kdv5wuITwnIx84cnO.e467/IV1lPnvMCr0pd1dgS0a.RV5eBJr03Q65Xy61R",
+            "2", null),
+        new SRPParams("dUyyhxav9tgnyIg65wHxkzkb7VIPh4o0lkwfOKiPp4rVJrzLRYVBtb76gKlaO7ef5LYGEw3G.4E0jbMxcYBetDy2YdpiP/3GWJInoBbvYHIRO9uBuxgsFKTKWu7RnR7yTau/IrFTdQ4LY/q.AvoCzMxV0PKvD9Odso/LFIItn8PbTov3VMn/ZEH2SqhtpBUkWtmcIkEflhX/YY/fkBKfBbe27/zUaKUUZEUYZ2H2nlCL60.JIPeZJSzsu/xHDVcx",
+            "2", null),
+        new SRPParams("2iQzj1CagQc/5ctbuJYLWlhtAsPHc7xWVyCPAKFRLWKADpASkqe9djWPFWTNTdeJtL8nAhImCn3Sr/IAdQ1FrGw0WvQUstPx3FO9KNcXOwisOQ1VlL.gheAHYfbYyBaxXL.NcJx9TUwgWDT0hRzFzqSrdGGTN3FgSTA1v4QnHtEygNj3eZ.u0MThqWUaDiP87nqha7XnT66bkTCkQ8.7T8L4KZjIImrNrUftedTTBi.WCi.zlrBxDuOM0da0JbUkQlXqvp0yvJAPpC11nxmmZOAbQOywZGmu9nhZNuwTlxjfIro0FOdthaDTuZRL9VL7MRPUDo/DQEyW.d4H.UIlzp",
+            "2", null),
+    };
+
+    public int getPredefinedCount()
+    {
+        return pre_params.length;
+    }
+    public static SRPParams getPredefinedParams(int n)
+    {
+        return pre_params[n];
+    }
+    public static SRPParams getDefaultParams()
+    {
+        return pre_params[6];
+    }
+}