this.username = username;
        this.password = password;

        initDefaults();

        if( domain == null ) this.domain = DEFAULT_DOMAIN;
        if( username == null ) this.username = DEFAULT_USERNAME;
        if( password == null ) this.password = DEFAULT_PASSWORD;
    }
/**
 * Create an <tt>NtlmPasswordAuthentication</tt> object with raw password

    assert response.json() == {"detail": "Incorrect username or password"}


@needs_py39
def test_login_incorrect_username(client: TestClient):
    response = client.post("/token", data={"username": "foo", "password": "secret"})
    assert response.status_code == 400, response.text
    assert response.json() == {"detail": "Incorrect username or password"}


@needs_py39
def test_no_token(client: TestClient):

     */
    public static byte[] getNTHash ( String password ) {
        if ( password == null ) {
            throw new NullPointerException("Password parameter is required");
        }
        MessageDigest md4 = Crypto.getMD4();
        md4.update(Strings.getUNIBytes(password));
        return md4.digest();
    }


    /**
     * 
     * @param password
     * @return the calculated hash

     */
    public String getPassword() {
        return password;
    }

    /**
     * Set the user's password which is used when connecting to the repository.
     *
     * @param password password of the user
     */
    public void setPassword(String password) {
        this.password = password;
    }

    /**
     * Get the username used to access the repository.
     *

    response = client.post(
        "/login",
        data={"username": "johndoe", "password": "secret", "grant_type": "password"},
    )
    assert response.status_code == 200
    assert response.json() == {
        "grant_type": "password",
        "username": "johndoe",
        "password": "secret",
        "scopes": [],
        "client_id": None,
        "client_secret": None,
    }

    response = client.post(
        "/login",
        data={"username": "johndoe", "password": "secret", "grant_type": "password"},
    )
    assert response.status_code == 200, response.text
    assert response.json() == {
        "grant_type": "password",
        "username": "johndoe",
        "password": "secret",
        "scopes": [],
        "client_id": None,
        "client_secret": None,
    }

    from docs_src.security.tutorial005_an_py39 import app

    client = TestClient(app)
    return client


def get_access_token(
    *, username="johndoe", password="secret", scope=None, client: TestClient
):
    data = {"username": username, "password": password}
    if scope:
        data["scope"] = scope
    response = client.post("/token", data=data)
    content = response.json()
    access_token = content.get("access_token")

    response = client.post(
        "/login",
        data={"username": "johndoe", "password": "secret", "grant_type": "password"},
    )
    assert response.status_code == 200
    assert response.json() == {
        "grant_type": "password",
        "username": "johndoe",
        "password": "secret",
        "scopes": [],
        "client_id": None,
        "client_secret": None,
    }

                    "properties": {
                        "username": {"type": "string", "title": "Username"},
                        "password": {"type": "string", "title": "Password"},
                    },
                    "type": "object",
                    "required": ["username", "password"],
                    "title": "FormData",
                },
                "ValidationError": {

If it doesn't receive it, it returns an HTTP 401 "Unauthorized" error.

And returns a header `WWW-Authenticate` with a value of `Basic`, and an optional `realm` parameter.

That tells the browser to show the integrated prompt for a username and password.

Then, when you type that username and password, the browser sends them in the header automatically.