1 files changed, 0 insertions, 155 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/key/srp6/SRP6TLSClient.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/key/srp6/SRP6TLSClient.java
deleted file mode 100644
index af0be02df..000000000
--- a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/key/srp6/SRP6TLSClient.java
+++ /dev/null
@@ -1,155 +0,0 @@
-/* SRP6TLSClient.java -- 
-   Copyright (C) 2003, 2006 Free Software Foundation, Inc.
-
-This file is a part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or (at
-your option) any later version.
-
-GNU Classpath 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
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
-USA
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library.  Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module.  An independent module is a module which is not derived from
-or based on this library.  If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so.  If you do not wish to do so, delete this
-exception statement from your version.  */
-
-
-package gnu.javax.crypto.key.srp6;
-
-import gnu.java.security.util.Util;
-import gnu.javax.crypto.key.KeyAgreementException;
-import gnu.javax.crypto.key.IncomingMessage;
-import gnu.javax.crypto.key.OutgoingMessage;
-import gnu.javax.crypto.sasl.srp.SRP;
-
-import java.math.BigInteger;
-import java.security.KeyPair;
-import java.security.SecureRandom;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * A variation of the SRP6 key agreement protocol, for the client-side as
- * proposed in <a
- * href="http://www.ietf.org/internet-drafts/draft-ietf-tls-srp-05.txt">Using
- * SRP for TLS Authentication</a>. The only difference between it and the SASL
- * variant is that the shared secret is the entity <code>S</code> and not
- * <code>H(S)</code>.
- */
-public class SRP6TLSClient
-    extends SRP6KeyAgreement
-{
-  /** The user's identity. */
-  private String I;
-  /** The user's cleartext password. */
-  private byte[] p;
-  /** The user's ephemeral key pair. */
-  private KeyPair userKeyPair;
-
-  // default 0-arguments constructor
-
-  protected void engineInit(final Map attributes) throws KeyAgreementException
-  {
-    rnd = (SecureRandom) attributes.get(SOURCE_OF_RANDOMNESS);
-    final String md = (String) attributes.get(HASH_FUNCTION);
-    if (md == null || md.trim().length() == 0)
-      throw new KeyAgreementException("missing hash function");
-    srp = SRP.instance(md);
-    I = (String) attributes.get(USER_IDENTITY);
-    if (I == null)
-      throw new KeyAgreementException("missing user identity");
-    p = (byte[]) attributes.get(USER_PASSWORD);
-    if (p == null)
-      throw new KeyAgreementException("missing user password");
-  }
-
-  protected OutgoingMessage engineProcessMessage(final IncomingMessage in)
-      throws KeyAgreementException
-  {
-    switch (step)
-      {
-      case 0:
-        return sendIdentity(in);
-      case 1:
-        return computeSharedSecret(in);
-      default:
-        throw new IllegalStateException("unexpected state");
-      }
-  }
-
-  protected void engineReset()
-  {
-    I = null;
-    p = null;
-    userKeyPair = null;
-    super.engineReset();
-  }
-
-  private OutgoingMessage sendIdentity(final IncomingMessage in)
-      throws KeyAgreementException
-  {
-    final OutgoingMessage result = new OutgoingMessage();
-    result.writeString(I);
-    return result;
-  }
-
-  protected OutgoingMessage computeSharedSecret(final IncomingMessage in)
-      throws KeyAgreementException
-  {
-    N = in.readMPI();
-    g = in.readMPI();
-    final BigInteger s = in.readMPI();
-    final BigInteger B = in.readMPI();
-    // generate an ephemeral keypair
-    final SRPKeyPairGenerator kpg = new SRPKeyPairGenerator();
-    final Map attributes = new HashMap();
-    if (rnd != null)
-      attributes.put(SRPKeyPairGenerator.SOURCE_OF_RANDOMNESS, rnd);
-    attributes.put(SRPKeyPairGenerator.SHARED_MODULUS, N);
-    attributes.put(SRPKeyPairGenerator.GENERATOR, g);
-    kpg.setup(attributes);
-    userKeyPair = kpg.generate();
-    final BigInteger A = ((SRPPublicKey) userKeyPair.getPublic()).getY();
-    final BigInteger u = uValue(A, B); // u = H(A | B)
-    final BigInteger x;
-    try
-      {
-        x = new BigInteger(1, srp.computeX(Util.trim(s), I, p));
-      }
-    catch (Exception e)
-      {
-        throw new KeyAgreementException("computeSharedSecret()", e);
-      }
-    // compute S = (B - 3g^x) ^ (a + ux)
-    final BigInteger a = ((SRPPrivateKey) userKeyPair.getPrivate()).getX();
-    final BigInteger S = B.subtract(THREE.multiply(g.modPow(x, N)))
-                          .modPow(a.add(u.multiply(x)), N);
-    K = S;
-    final OutgoingMessage result = new OutgoingMessage();
-    result.writeMPI(A);
-    complete = true;
-    return result;
-  }
-}