问SNMP4J -无法使用SHA / AES 256为SNMP V3运行

EN

public static void main(String[] args) throws Exception
{
    String targetAddress = "udp:10.2.1.41/161";
    String userName = "mip_aes256";
    OID authProtocol = AuthSHA.ID;
    String authPassphrase = "mip_user_AuthPassword";
    OID privProtocol = PrivAES256.ID;
    String privPassphrase = "mip_user_PrivPassword";

    // build a PDU with all the OIDs
    ScopedPDU requestPDU = new ScopedPDU();
    requestPDU.add(new VariableBinding(new OID("1.3.6.1.2.1.1.1.0")));
    requestPDU.setType(PDU.GET);

    UserTarget target = new UserTarget();
    target.setTimeout(5000);
    target.setVersion(SnmpConstants.version3);
    target.setAddress(GenericAddress.parse(targetAddress));
    target.setSecurityLevel(SecurityLevel.AUTH_PRIV);
    target.setSecurityName(new OctetString(userName));

    TransportMapping<UdpAddress> transport = new DefaultUdpTransportMapping();
    Snmp snmp = new Snmp(transport);
    USM usm = new USM(SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
    SecurityModels.getInstance().addSecurityModel(usm);

    // add user to the USM
    snmp.getUSM().addUser(new OctetString(userName),
            new UsmUser(new OctetString(userName),
                    authProtocol,
                    new OctetString(authPassphrase),
                    privProtocol,
                    new OctetString(privPassphrase)));

    transport.listen();

    ResponseEvent re = snmp.send(requestPDU, target);
    PDU responsePDU = re.getResponse();
    if (responsePDU == null)
    {
        System.out.println("responsePDU == null :");
        System.out.println("> Error     : " + re.getError());
        System.out.println("> Address     : " + re.getPeerAddress());
        System.out.println("> Source      : " + re.getSource());
        System.out.println("> User object : " + re.getUserObject());
    }
    else if (responsePDU.getVariableBindings() != null)
    {
        for (VariableBinding vb : responsePDU.getVariableBindings())
        {
            System.out.println(vb.getOid() + " --> " + vb.getVariable());
        }
    }
}