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Auth & security at scale

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

3 matches

How to Create and Verify an OpenID Connect ID Token in Python

Generate and validate a mock OpenID Connect ID token (JWT) with HS256 signing using only the Python standard library.

import base64
import hashlib
import hmac
import json
import time
from typing import Optional


def b64url_encode(data: bytes) -> str:
    return base64.urlsafe_b64encode(data).rstrip(b"=").decode("utf-8")


def b64url_decode(data: str) -> bytes:
    padding = "=" * (-len(data) % 4)
    return base64.urlsafe_b64decode(…

14 0 Open

Auth & security at scale medium

How to Encode and Decode JWT with HS256 in Python

Implement JWT encoding and decoding using HMAC-SHA256 (HS256) with Python's standard library, including signature verification.

jwt hmac authentication

Python

import base64
import hashlib
import hmac
import json


def base64url_encode(data: bytes) -> bytes:
    return base64.urlsafe_b64encode(data).rstrip(b"=")


def base64url_decode(data: str) -> bytes:
    padding = "=" * (-len(data) % 4)
    return base64.urlsafe_b64decode(data + padding)


def encode_jwt(payload: dict, …

16 0 Open

Auth & security at scale medium

How to sign and verify JWT RS256 in Python

Generate RSA keys, create a JWT signed with RS256, verify its signature, and decode the payload using the cryptography library.

jwt rs256 rsa

Python

import json
import time
import base64
import hmac
import hashlib
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives import serialization, hashes
from cryptography.hazmat.primitives.asymmetric import padding
from cryptography.hazmat.primitives.asymmetric.utils import encode_ds…

13 0 Open

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