public IResponseMessage createCertificate(Admin admin, IRequestMessage req, Class responseClass)
public Certificate createCertificate(Admin admin, String username, String password, PublicKey pk)
    public IResponseMessage createCertificate(Admin admin, IRequestMessage req, Class responseClass)        throws ObjectNotFoundException, AuthStatusException, AuthLoginException,             IllegalKeyException, CADoesntExistsException, SignRequestException, SignRequestSignatureException;