public PacketKexInit(byte payload[], int off, int len) throws IOException {
this.payload = new byte[len];
System.arraycopy(payload, off, this.payload, 0, len);
TypesReader tr = new TypesReader(payload, off, len);
int packet_type = tr.readByte();
if (packet_type != Packets.SSH_MSG_KEXINIT)
throw new IOException("This is not a KexInitPacket! (" + packet_type + ")");
kp.cookie = tr.readBytes(16);
kp.kex_algorithms = tr.readNameList();
kp.server_host_key_algorithms = tr.readNameList();
kp.encryption_algorithms_client_to_server = tr.readNameList();
kp.encryption_algorithms_server_to_client = tr.readNameList();
kp.mac_algorithms_client_to_server = tr.readNameList();
kp.mac_algorithms_server_to_client = tr.readNameList();
kp.compression_algorithms_client_to_server = tr.readNameList();
kp.compression_algorithms_server_to_client = tr.readNameList();
kp.languages_client_to_server = tr.readNameList();
kp.languages_server_to_client = tr.readNameList();
kp.first_kex_packet_follows = tr.readBoolean();
kp.reserved_field1 = tr.readUINT32();
if (tr.remain() != 0) throw new IOException("Padding in KexInitPacket!");
}
public PacketKexInit(CryptoWishList cwl, SecureRandom rnd) {
kp.cookie = new byte[16];
rnd.nextBytes(kp.cookie);
kp.kex_algorithms = cwl.kexAlgorithms;
kp.server_host_key_algorithms = cwl.serverHostKeyAlgorithms;
kp.encryption_algorithms_client_to_server = cwl.c2s_enc_algos;
kp.encryption_algorithms_server_to_client = cwl.s2c_enc_algos;
kp.mac_algorithms_client_to_server = cwl.c2s_mac_algos;
kp.mac_algorithms_server_to_client = cwl.s2c_mac_algos;
kp.compression_algorithms_client_to_server = new String[] {"none"};
kp.compression_algorithms_server_to_client = new String[] {"none"};
kp.languages_client_to_server = new String[] {};
kp.languages_server_to_client = new String[] {};
kp.first_kex_packet_follows = false;
kp.reserved_field1 = 0;
}