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/**
* 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.whispersystems.libaxolotl.ecc;
import org.whispersystems.libaxolotl.util.ByteUtil;
import java.math.BigInteger;
import java.util.Arrays;
public class DjbECPublicKey implements ECPublicKey {
private final byte[] publicKey;
DjbECPublicKey(byte[] publicKey) {
this.publicKey = publicKey;
}
@Override
public byte[] serialize() {
byte[] type = {Curve.DJB_TYPE};
return ByteUtil.combine(type, publicKey);
}
@Override
public int getType() {
return Curve.DJB_TYPE;
}
@Override
public boolean equals(Object other) {
if (other == null) return false;
if (!(other instanceof DjbECPublicKey)) return false;
DjbECPublicKey that = (DjbECPublicKey)other;
return Arrays.equals(this.publicKey, that.publicKey);
}
@Override
public int hashCode() {
return Arrays.hashCode(publicKey);
}
@Override
public int compareTo(ECPublicKey another) {
return new BigInteger(publicKey).compareTo(new BigInteger(((DjbECPublicKey)another).publicKey));
}
public byte[] getPublicKey() {
return publicKey;
}
}
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