/* Finished.java -- SSL Finished message.   Copyright (C) 2006  Free Software Foundation, Inc.This file is a part of GNU Classpath.GNU Classpath is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe Free Software Foundation; either version 2 of the License, or (atyour option) any later version.GNU Classpath is distributed in the hope that it will be useful, butWITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNUGeneral Public License for more details.You should have received a copy of the GNU General Public Licensealong with GNU Classpath; if not, write to the Free SoftwareFoundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301USALinking this library statically or dynamically with other modules ismaking a combined work based on this library.  Thus, the terms andconditions of the GNU General Public License cover the wholecombination.As a special exception, the copyright holders of this library give youpermission to link this library with independent modules to produce anexecutable, regardless of the license terms of these independentmodules, and to copy and distribute the resulting executable underterms of your choice, provided that you also meet, for each linkedindependent module, the terms and conditions of the license of thatmodule.  An independent module is a module which is not derived fromor based on this library.  If you modify this library, you may extendthis exception to your version of the library, but you are notobligated to do so.  If you do not wish to do so, delete thisexception statement from your version.  */package gnu.javax.net.ssl.provider;import java.io.DataInputStream;import java.io.InputStream;import java.io.IOException;import java.io.OutputStream;final class Finished implements Handshake.Body{  // Fields.  // -------------------------------------------------------------------------  /** TLSv1.x verify data. */  private final byte[] verifyData;  /** SSLv3 message digest pair. */  private final byte[] md5, sha;  // Constructor.  // -------------------------------------------------------------------------  Finished(byte[] verifyData)  {    this.verifyData = verifyData;    md5 = sha = null;  }  Finished(byte[] md5, byte[] sha)  {    this.md5 = md5;    this.sha = sha;    verifyData = null;  }  // Class methods.  // -------------------------------------------------------------------------  static Finished read(InputStream in, CipherSuite suite)    throws IOException  {    DataInputStream din = new DataInputStream(in);    if (suite.getVersion().equals(ProtocolVersion.SSL_3))      {        byte[] md5 = new byte[16];        byte[] sha = new byte[20];        din.readFully(md5);        din.readFully(sha);        return new Finished(md5, sha);      }    else      {        byte[] buf = new byte[12];        din.readFully(buf);        return new Finished(buf);      }  }  // Instance methods.  // -------------------------------------------------------------------------  public void write(OutputStream out) throws IOException  {    if (verifyData != null)      out.write(verifyData);    else      {        out.write(md5);        out.write(sha);      }  }  byte[] getVerifyData()  {    return verifyData;  }  byte[] getMD5Hash()  {    return md5;  }  byte[] getSHAHash()  {    return sha;  }  public String toString()  {    String nl = System.getProperty("line.separator");    if (verifyData != null)      {        return "struct {" + nl +          "  verifyData = " + Util.toHexString(verifyData, ':') + ";" + nl +          "} Finished;" + nl;      }    else      {        return "struct {" + nl +          "  md5Hash = " + Util.toHexString(md5, ':') + ";" + nl +          "  shaHash = " + Util.toHexString(sha, ':') + ";" + nl +          "} Finished;" + nl;      }  }}