Merge branch 'release-0.2.0'0.2.0

1 files changed, 150 insertions, 0 deletions

diff --git a/src/org/jboss/security/srp/SRPParameters.java b/src/org/jboss/security/srp/SRPParameters.java
new file mode 100644
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--- /dev/null
+++ b/src/org/jboss/security/srp/SRPParameters.java
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+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2006, 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.io.Serializable;
+import java.util.Arrays;
+
+import org.spongycastle.util.encoders.Base64;
+
+/** The RFC2945 algorithm session parameters that the client and server
+agree to use. In addition to the base RFC2945 parameters, one can choose an
+alternate hash algorithm for the private session key.
+
+@author Scott.Stark@jboss.org
+@version $Revision: 57210 $
+*/
+public class SRPParameters implements Cloneable, Serializable
+{
+   /** The serial version ID.
+    * @since 1.2.4.1
+    */
+   private static final long serialVersionUID = 6438772808805276693L;
+
+   /** The algorithm safe-prime modulus */
+   public final byte[] N;
+   /** The algorithm primitive generator */
+   public final byte[] g;
+   /** The random password salt originally used to verify the password */
+   public final byte[] s;
+   /** The algorithm to hash the session key to produce K. To be consistent
+    with the RFC2945 description this must be SHA_Interleave as implemented
+    by the JBossSX security provider. For compatibility with earlier JBossSX
+    SRP releases the algorithm must be SHA_ReverseInterleave. This name is
+    passed to java.security.MessageDigest.getInstance(). */
+   public final String hashAlgorithm;
+   /** The algorithm to use for any encryption of data.
+    */
+   public final String cipherAlgorithm;
+   /** The cipher intialization vector bytes
+    */
+   public byte[] cipherIV;
+
+   /** Creates a new instance of SRPParameters */
+   public SRPParameters(byte[] N, byte[] g, byte[] s)
+   {
+      this(N, g, s, "SHA_Interleave", null);
+   }
+   public SRPParameters(byte[] N, byte[] g, byte[] s, String hashAlgorithm)
+   {
+      this(N, g, s, hashAlgorithm, null);
+   }
+   public SRPParameters(byte[] N, byte[] g, byte[] s, String hashAlgorithm,
+      String cipherAlgorithm)
+   {
+      this(N, g, s, hashAlgorithm, cipherAlgorithm, null);
+   }
+   public SRPParameters(byte[] N, byte[] g, byte[] s, String hashAlgorithm,
+      String cipherAlgorithm, byte[] cipherIV)
+   {
+      this.N = N;
+      this.g = g;
+      this.s = s;
+      if( hashAlgorithm == null )
+         hashAlgorithm = "SHA_Interleave";
+      this.hashAlgorithm = hashAlgorithm;
+      this.cipherAlgorithm = cipherAlgorithm;
+      this.cipherIV = cipherIV;
+   }
+
+   public Object clone()
+   {
+      Object clone = null;
+      try
+      {
+          clone = super.clone();
+      }
+      catch(CloneNotSupportedException e)
+      {
+      }
+      return clone;
+   }
+
+   public int hashCode()
+   {
+      int hashCode = hashAlgorithm.hashCode();
+      for(int i = 0; i < N.length; i ++)
+         hashCode += N[i];
+      for(int i = 0; i < g.length; i ++)
+         hashCode += g[i];
+      for(int i = 0; i < s.length; i ++)
+         hashCode += s[i];
+      return hashCode;
+   }
+
+   public boolean equals(Object obj)
+   {
+      boolean equals = false;
+      if( obj instanceof SRPParameters )
+      {
+         SRPParameters p = (SRPParameters) obj;
+         equals = hashAlgorithm.equals(p.hashAlgorithm);
+         if( equals == true )
+            equals = Arrays.equals(N, p.N);
+         if( equals == true )
+            equals = Arrays.equals(g, p.g);
+         if( equals == true )
+            equals = Arrays.equals(s, p.s);
+      }
+      return equals;
+   }
+
+   public String toString()
+   {
+      StringBuffer tmp = new StringBuffer(super.toString());
+      tmp.append('{');
+      tmp.append("N: ");
+      tmp.append(Base64.encode(N));
+      tmp.append("|g: ");
+      tmp.append(Base64.encode(g));
+      tmp.append("|s: ");
+      tmp.append(Base64.encode(s));
+      tmp.append("|hashAlgorithm: ");
+      tmp.append(hashAlgorithm);
+      tmp.append("|cipherAlgorithm: ");
+      tmp.append(cipherAlgorithm);
+      tmp.append("|cipherIV: ");
+      tmp.append(cipherIV);
+      tmp.append('}');
+      return tmp.toString();
+   }
+}