Chimera Tool Activation Key Exclusive -

user_id = "user123" expiration_date = datetime.now() + timedelta(days=expiration_days)

def validate_key(self, key, user_id): # Validate the activation key expected_mac = hmac.new(self.secret_key, f"{user_id}{key}".encode('utf-8'), hashlib.sha256).hexdigest() # Compare the expected MAC with the provided MAC return hmac.compare_digest(expected_mac, key) chimera tool activation key exclusive

def generate_key(self): # Generate a random activation key key = ''.join(secrets.choice('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()') for _ in range(32)) return key user_id = "user123" expiration_date = datetime