Why do Stripe and GitHub use HMAC?

HMAC guarantees that the incoming webhook payload was generated by the service holder of the secret key and was not modified in transit by a man-in-the-middle.

What Is HMAC? Keyed-Hash Message Authentication Codes Explained

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What Is HMAC? Keyed-Hash Message Authentication Codes Explained

What Is HMAC? Keyed-Hash Message Authentication Codes Explained

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