return hmac.digest();
    }

    /**
     * Generates the NT password hash for the given password.
     *
     * @param password the password to hash
     * @return nt password hash
     */
    public static byte[] getNTHash(final String password) {
        if (password == null) {
            throw new NullPointerException("Password parameter is required");
        }

            auth1.close();
            auth2.close();
        }
    }

    /**
     * Test concurrent password comparisons to ensure thread safety and consistent timing.
     */
    @Test
    public void testConcurrentTimingConsistency() throws Exception {
        final char[] password = "concurrenttestpassword".toCharArray();
        final char[] wrongPassword = "concurrenttestpassworX".toCharArray(); // Different at end

UserInDB(**user_dict)
```

🔜 🏁 🕳 🌓:

```Python
UserInDB(
    username="john",
    password="secret",
    email="******@****.***",
    full_name=None,
)
```

⚖️ 🌅 ⚫️❔, ⚙️ `user_dict` 🔗, ⏮️ ⚫️❔ 🎚 ⚫️ 💪 ✔️ 🔮:

```Python
UserInDB(
    username = user_dict["username"],
    password = user_dict["password"],
    email = user_dict["email"],
    full_name = user_dict["full_name"],
)
```

# Simple OAuth2 with Password and Bearer { #simple-oauth2-with-password-and-bearer }

Now let's build from the previous chapter and add the missing parts to have a complete security flow.

## Get the `username` and `password` { #get-the-username-and-password }

We are going to use **FastAPI** security utilities to get the `username` and `password`.

        return ntResponse;
    }

    /**
     * Generates the NTOWFv1 hash for the given password.
     *
     * @param password the password to hash
     * @return the NTOWFv1 hash bytes
     */
    public static byte[] nTOWFv1(final String password) {
        if (password == null) {
            throw new RuntimeException("Password parameter is required");
        }
        try {
            final MD4 md4 = new MD4();

    }

    /**
     * Returns the password.
     * @return The password.
     */
    public String getPassword() {
        return password;
    }

    /**
     * Sets the password.
     * @param password The password.
     */
    public void setPassword(final String password) {
        this.password = password;
    }

    /**
     * Returns the domain.

        TermQueryBuilder builder = regTermQ("password", password);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setPassword_NotEqual(String password) {
        setPassword_NotTerm(password, null);
    }

    public void setPassword_NotTerm(String password) {
        setPassword_NotTerm(password, null);

            if (form.crudMode.intValue() == CrudMode.CREATE || StringUtil.isNotBlank(form.password)) {
                final String encodedPassword = ComponentUtil.getComponent(FessLoginAssist.class).encryptPassword(form.password);
                entity.setOriginalPassword(form.password);
                entity.setPassword(encodedPassword);
            }

        }
    }

    // Test constructor with domain, username, and password
    @Test
    void testConstructorWithDomainUsernamePassword() {
        NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication("DOMAIN", "user", "password");
        assertEquals("DOMAIN", auth.getDomain());
        assertEquals("user", auth.getUsername());
        assertEquals("password", auth.getPassword());
    }

     * the supplied password.
     *
     * @param type2 The Type-2 message.
     * @param password The password.
     * @return A <code>byte[]</code> containing the LanManager response.
     */
    public static byte[] getLMResponse(final Type2Message type2, final String password) {
        if (type2 == null || password == null) {
            return null;
        }