session-android/app/src/main/java/org/thoughtcrime/securesms/crypto/AsymmetricMasterSecret.java

62 lines
1.7 KiB
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.securesms.crypto;
import org.session.libsignal.libsignal.ecc.ECPrivateKey;
import org.session.libsignal.libsignal.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;
}
}