67 lines
1.8 KiB
Java
67 lines
1.8 KiB
Java
/**
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* Copyright (C) 2013 Open Whisper Systems
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.whispersystems.libaxolotl.ecc;
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import org.whispersystems.libaxolotl.util.ByteUtil;
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import java.math.BigInteger;
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import java.util.Arrays;
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public class DjbECPublicKey implements ECPublicKey {
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private final byte[] publicKey;
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DjbECPublicKey(byte[] publicKey) {
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this.publicKey = publicKey;
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}
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@Override
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public byte[] serialize() {
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byte[] type = {Curve.DJB_TYPE};
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return ByteUtil.combine(type, publicKey);
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}
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@Override
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public int getType() {
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return Curve.DJB_TYPE;
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}
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@Override
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public boolean equals(Object other) {
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if (other == null) return false;
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if (!(other instanceof DjbECPublicKey)) return false;
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DjbECPublicKey that = (DjbECPublicKey)other;
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return Arrays.equals(this.publicKey, that.publicKey);
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}
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@Override
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public int hashCode() {
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return Arrays.hashCode(publicKey);
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}
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@Override
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public int compareTo(ECPublicKey another) {
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return new BigInteger(publicKey).compareTo(new BigInteger(((DjbECPublicKey)another).publicKey));
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}
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public byte[] getPublicKey() {
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return publicKey;
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}
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}
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