*
     * @return passphrase of the private key file
     */
    public String getPassphrase() {
        return passphrase;
    }

    /**
     * Set the passphrase of the private key file.
     *
     * @param passphrase passphrase of the private key file
     */
    public void setPassphrase(final String passphrase) {
        this.passphrase = passphrase;
    }

    /**

                            authInfo.setPassword(server.getPassword());
                            authInfo.setPrivateKey(server.getPrivateKey());
                            authInfo.setPassphrase(server.getPassphrase());

                            return authInfo;
                        }
                    }
                }
            }
        }

        // empty one to prevent NPE

                    authentication.setPrivateKey(server.getPrivateKey());
                    authentication.setPassphrase(server.getPassphrase());

                    repository.setAuthentication(authentication);
                } else {
                    repository.setAuthentication(null);
                }
            }
        }