// on the client side and is treated like an opaque value.
	claims, err := auth.ExtractClaims(token, secret)
	if err != nil {
		if subtle.ConstantTimeCompare([]byte(secret), []byte(globalActiveCred.SecretKey)) == 1 {
			return nil, errAuthentication
		}
		claims, err = auth.ExtractClaims(token, globalActiveCred.SecretKey)
		if err != nil {
			return nil, errAuthentication
		}
	}