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Auth & security at scale

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

3 matches

How to Check Negotiated Cipher Suite in Python

Connect to a TLS server with Python's ssl module and print the negotiated protocol version and cipher suite details.

import ssl
import socket

def get_cipher_suites(hostname, port=443):
    context = ssl.create_default_context()
    context.set_ciphers("DEFAULT:@SECLEVEL=2")
    
    with socket.create_connection((hostname, port), timeout=5) as sock:
        with context.wrap_socket(sock, server_hostname=hostname) as ssock:
        …

17 0 Open

Auth & security at scale easy

How to Implement an HSTS Preload List Mock in Python

Implements a mock HSTS preload list in Python that supports adding, removing, checking domains with subdomain inheritance, and listing domains.

hsts security domains

Python

import json

class HSTSPreloadList:
    def __init__(self):
        self.domains = {}

    def add_domain(self, domain, include_subdomains=False, max_age=31536000):
        self.domains[domain] = {
            "include_subdomains": include_subdomains,
            "max_age": max_age
        }

    def remove_domain(sel…

15 0 Open

Auth & security at scale easy

How to Revoke Tokens with a Blacklist Set in Python

A minimal TokenBlacklist class using a Python set to revoke, batch-revoke, check, and remove expired tokens for simple token invalidation.

jwt blacklist authentication

Python

import time

class TokenBlacklist:
    def __init__(self):
        self.blacklisted_tokens = set()

    def revoke(self, token):
        self.blacklisted_tokens.add(token)
        print(f"Token {token} revoked. Blacklist size: {len(self.blacklisted_tokens)}")

    def revoke_batch(self, tokens):
        before = len(s…

13 0 Open

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