SES credentials hash

ses_hash.py

"""
Implements the algorithm at https://docs.aws.amazon.com/ses/latest/DeveloperGuide/smtp-credentials.html
"""
import hmac
import hashlib
import base64


def ses_hash(secret_access_key):
    message = "SendRawEmail"
    version = 0x02
    signature = hmac.new(
        key=secret_access_key,
        msg=message,
        digestmod=hashlib.sha256,
    ).digest()
    signature_and_ver = b'\x02' + signature
    password = base64.b64encode(signature_and_ver)
    return password

A python version has since been added to the amazon doc https://docs.aws.amazon.com/ses/latest/DeveloperGuide/smtp-credentials.html#python

Good to know!