Reference library

Auth & security at scale

OAuth2, JWT, IAM patterns, secrets rotation, and least-privilege service auth.

1 match
Auth & security at scale medium

How to Implement a CSRF Token Double Submit Mock in Python

A mock CSRF protection class that generates and validates double-submit tokens using HMAC-SHA256 with a secret key.

csrf security hmac
Python 
import hmac
import hashlib
import secrets


class CSRFProtection:
    def __init__(self, secret_key: str):
        self.secret_key = secret_key.encode("utf-8")

    def generate_token(self) -> str:
        random_value = secrets.token_hex(16)
        signature = hmac.new(
            self.secret_key, random_value.enco…
13 0 Open

Browse by section

Each section groups closely related Python snippets.

Auth & security at scale — Python code examples

What you will find here

This page collects auth & security at scale snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.

Related coding tools

Free online Python IDE Write and run Python in your browser — no install. Free Python code formatter Format with autopep8 — side-by-side PEP 8 cleanup. Python code samples Copy-ready snippets to study and run in the IDE.