Which of the following is the correct Python code snippet to compute an HMAC SHA256 signature for webhook verification?

easy📝 Syntax Q12 of 15

Rest API - Webhooks and Events

Ahmac.new(secret.encode(), payload.encode(), hashlib.sha256).hexdigest()

Bhmac.new(payload.encode(), secret.encode(), hashlib.md5).hexdigest()

Chashlib.sha256(secret + payload).hexdigest()

Dhmac.sha256(secret, payload).hexdigest()

Step-by-Step Solution

Solution:

Step 1: Understand HMAC function parameters
The correct order is secret key first, then message (payload), and the hashing algorithm.
Step 2: Identify correct syntax and algorithm
hmac.new(secret.encode(), payload.encode(), hashlib.sha256).hexdigest() uses hmac.new with secret encoded, payload encoded, and hashlib.sha256, which is correct.
Final Answer:
hmac.new(secret.encode(), payload.encode(), hashlib.sha256).hexdigest() -> Option A
Quick Check:
Secret first, payload second, SHA256 used [OK]

Quick Trick: Secret key is first argument in hmac.new() [OK]

Common Mistakes:

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