hmac — Easy Playground

Keyed-hash message authentication codes

Python Playground

import hmac
import hashlib

key = b"secret-key"
message = b"Hello, World!"

mac = hmac.new(key, message, hashlib.sha256).hexdigest()
print(f"HMAC: {mac}")

# Verify
print(f"Valid: {hmac.compare_digest(mac, mac)}")

Output

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The hmac module is part of Python's standard library. Keyed-hash message authentication codes.

Challenge

Try modifying the code above to explore different behaviors. Can you extend the example to handle a new use case?

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