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API design & gRPC

REST best practices, protobuf, API versioning, and backward-compatible service contracts.

2 matches
API design & gRPC easy

How to Validate a JWT Signature in Python with a Mock Secret

Validates a JWT's signature using a mock secret, decoding and handling expired or invalid tokens gracefully.

jwt authentication security
Python
import jwt
import time

SECRET = "mock_secret_key_123"

def validate_token(token):
    try:
        payload = jwt.decode(token, SECRET, algorithms=["HS256"])
        return f"Valid token. Payload: {payload}"
    except jwt.ExpiredSignatureError:
        return "Token expired"
    except jwt.InvalidTokenError:
        …
12 0 Open
API design & gRPC medium

Verify Webhook HMAC Signatures in Python

Create and verify HMAC-SHA256 signatures for webhook payloads using Python's hmac module, protecting against tampering.

webhooks hmac security
Python
import hashlib
import hmac
import json

SECRET = b"super-secret-webhook-key"

def create_signature(payload: bytes) -> str:
    return hmac.new(SECRET, payload, hashlib.sha256).hexdigest()

def verify_signature(payload: bytes, signature: str) -> bool:
    expected = create_signature(payload)
    return hmac.compare_dig…
12 0 Open

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