clientCookie = new byte[16];
random.nextBytes(clientCookie);
SshPacketBuilder b = new SshPacketBuilder().writeByte(SshUtils.SSH_MSG_KEXINIT);
for (int i = 0; i < clientCookie.length; i++) {
b.writeByte(clientCookie[i]);
}
for (String s : clientExchange) {
b.writeString(s);
}
b.writeByte(0);