it.auties.whatsapp.model.signal.sender.SenderMessageKeySpec Maven / Gradle / Ivy
package it.auties.whatsapp.model.signal.sender;
import it.auties.whatsapp.model.signal.sender.SenderMessageKey;
import it.auties.protobuf.stream.ProtobufInputStream;
import it.auties.protobuf.stream.ProtobufOutputStream;
public class SenderMessageKeySpec {
public static byte[] encode(SenderMessageKey protoInputObject) {
if(protoInputObject == null) {
return null;
}
var outputStream = new ProtobufOutputStream();
outputStream.writeInt32(1, protoInputObject.iteration());
outputStream.writeBytes(2, protoInputObject.seed());
outputStream.writeBytes(3, protoInputObject.iv());
outputStream.writeBytes(4, protoInputObject.cipherKey());
return outputStream.toByteArray();
}
public static SenderMessageKey decode(byte[] input) {
if(input == null) {
return null;
}
var inputStream = new ProtobufInputStream(input);
int iteration = 0;
byte[] seed = null;
byte[] iv = null;
byte[] cipherKey = null;
while(inputStream.readTag()) {
switch(inputStream.index()) {
case 1 -> iteration = inputStream.readInt32();
case 2 -> seed = inputStream.readBytes();
case 3 -> iv = inputStream.readBytes();
case 4 -> cipherKey = inputStream.readBytes();
default -> inputStream.skipBytes();
}
}
return new it.auties.whatsapp.model.signal.sender.SenderMessageKey(iteration, seed, iv, cipherKey);
}
}