How do you encrypt passwords in Django?

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In Django, password encryption is handled automatically using the make_password() and check_password() functions from django.contrib.auth.hashers. When you create a user via Django’s built-in User model or create_user() method, Django hashes the password before storing it in the database.

Django uses a secure password hashing system that supports several algorithms, including PBKDF2 (default), Argon2, BCrypt, and SHA-1. PBKDF2 with a SHA256 hash is the default and is considered highly secure.

Here’s how it works:

1. Creating a User (password hashing automatically):This automatically hashes the password before saving it.

2. Manually hashing a password:

3. Verifying a password:

4. Password storage:

The password field in the database stores the algorithm, salt, and hash in a single string (e.g., pbkdf2_sha256$260000$salt$hash).

To customize the algorithm, set the PASSWORD_HASHERS list in settings.py.

Django also automatically handles password salting and iteration, providing resistance against rainbow table and brute-force attacks.

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