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Auth & security at scale

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

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Auth & security at scale easy

How to Salt Passwords per User in Python

Hash each user's password with a unique random salt using hashlib, and verify logins with timing-safe comparison.

password-hashing security authentication
Python 
import hashlib
import secrets

def hash_password(password: str, salt: str | None = None) -> tuple[str, str]:
    """Hash a password with a random salt (or provided salt).

    Returns:
        (salt_hex, password_hash_hex)
    """
    if salt is None:
        salt = secrets.token_hex(16)
    salted = (salt + password)…
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