argon2_cffi_password_hashing_and_verification_quickstart.py

1from argon2 import PasswordHasher
2
3# Initialize the hasher
4ph = PasswordHasher()
5
6# Hash a password
7hash = ph.hash("correct horse battery staple")
8print(f"Hashed password: {hash}")
9
10# Verify a password
11try:
12    ph.verify(hash, "correct horse battery staple")
13    print("Password verified successfully!")
14except Exception:
15    print("Verification failed.")
16
17# Check if the password needs to be re-hashed (e.g., if parameters changed)
18if ph.check_needs_rehash(hash):
19    print("Password should be re-hashed with updated parameters.")