AsymmetricMasterSecret.java

/** 
 * Copyright (C) 2011 Whisper Systems
 * Copyright (C) 2013 Open Whisper Systems
 * 
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.thoughtcrime.SMP.crypto;

import org.whispersystems.libaxolotl.ecc.ECPrivateKey;
import org.whispersystems.libaxolotl.ecc.ECPublicKey;

/**
 * When a user first initializes TextSecure, a few secrets
 * are generated.  These are:
 * 
 * 1) A 128bit symmetric encryption key.
 * 2) A 160bit symmetric MAC key.
 * 3) An ECC keypair.
 * 
 * The first two, along with the ECC keypair's private key, are
 * then encrypted on disk using PBE.
 * 
 * This class represents the ECC keypair.
 * 
 * @author Moxie Marlinspike
 *
 */

public class AsymmetricMasterSecret {

  private final ECPublicKey djbPublicKey;
  private final ECPrivateKey djbPrivateKey;


  public AsymmetricMasterSecret(ECPublicKey djbPublicKey, ECPrivateKey djbPrivateKey)
  {
    this.djbPublicKey   = djbPublicKey;
    this.djbPrivateKey  = djbPrivateKey;
  }

  public ECPublicKey getDjbPublicKey() {
    return djbPublicKey;
  }


  public ECPrivateKey getPrivateKey() {
    return djbPrivateKey;
  }

}