45 lines
1.6 KiB
Java
45 lines
1.6 KiB
Java
/*
|
|
* This file is part of ViaFabricPlus - https://github.com/FlorianMichael/ViaFabricPlus
|
|
* Copyright (C) 2021-2023 FlorianMichael/MrLookAtMe (EnZaXD) and contributors
|
|
*
|
|
* 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 de.florianmichael.viafabricplus.definition.v1_19_2.model;
|
|
|
|
import java.nio.ByteBuffer;
|
|
import java.nio.ByteOrder;
|
|
import java.util.UUID;
|
|
|
|
public record MessageHeaderModel(UUID sender, byte[] precedingSignature) {
|
|
|
|
public byte[] toByteArray(final UUID uuid) {
|
|
final byte[] data = new byte[16];
|
|
final ByteBuffer byteBuffer = ByteBuffer.wrap(data).order(ByteOrder.BIG_ENDIAN);
|
|
|
|
byteBuffer.putLong(uuid.getMostSignificantBits());
|
|
byteBuffer.putLong(uuid.getLeastSignificantBits());
|
|
|
|
return data;
|
|
}
|
|
|
|
public void updater(final byte[] bodyDigest, final SignatureUpdaterModel updater) {
|
|
if (precedingSignature != null) {
|
|
updater.update(precedingSignature);
|
|
}
|
|
|
|
updater.update(toByteArray(sender()));
|
|
updater.update(bodyDigest);
|
|
}
|
|
}
|