Calculating a SHA hash with a string + secret key in python

Question

Amazon Product API now requires a signature with every request which I\'m trying to generate ushing Python.

The step I get hung up on is this one:

\"Calculat

Answer 1

import hmac
import hashlib
import base64

digest = hmac.new(secret, msg=thing_to_hash, digestmod=hashlib.sha256).digest()
signature = base64.b64encode(digest).decode()

I know this sounds silly, but make sure you don't have a trailing space on your secret by accident.