// string compression_algorithms_server_to_client
// string languages_client_to_server
// string languages_server_to_client
// byte boolean first_kex_packet_follows
// uint32 0 (reserved for future extension)
kexPacket.reset();
kexBuffer.putByte(SSH_MSG_KEXINIT);
random.fill(kexBuffer.getArray(), kexBuffer.getIndex(), KEX_COOKIE_LENGTH);
kexBuffer.skip(KEX_COOKIE_LENGTH); // Move index forward
kexBuffer.putString(_session.getConfig().getString(SessionConfig.KEX_ALGORITHMS));
kexBuffer.putString(_session.getConfig().getString(SessionConfig.KEX_SERVER_HOST_KEY));