Webhook signatures #340
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Webhook signatures #340
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Implement signatures modeled on Stripe's signature algorithm.
Security-Signaturetv1HMAC256(shared_secret, timestamp + "." + payload)One signature will be added to the header for every active shared secret.
To validate a given signature, calculate a signature according to the algorithm and use a constant-time comparison against the given signature. Check the timestamp and reject signatures that are too old.