Signal-Android/app/src/main/java/org/thoughtcrime/securesms/crypto/IdentityKeyUtil.java

42 wiersze
1.5 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.signal.libsignal.protocol.IdentityKey;
import org.signal.libsignal.protocol.IdentityKeyPair;
import org.signal.libsignal.protocol.ecc.Curve;
import org.signal.libsignal.protocol.ecc.ECKeyPair;
import org.signal.libsignal.protocol.ecc.ECPrivateKey;
/**
* Utility class for working with identity keys.
*
* @author Moxie Marlinspike
*/
public class IdentityKeyUtil {
public static IdentityKeyPair generateIdentityKeyPair() {
ECKeyPair djbKeyPair = Curve.generateKeyPair();
IdentityKey djbIdentityKey = new IdentityKey(djbKeyPair.getPublicKey());
ECPrivateKey djbPrivateKey = djbKeyPair.getPrivateKey();
return new IdentityKeyPair(djbIdentityKey, djbPrivateKey);
}
}