}
		if len(params) >= 2 {
			apiErr.Object = decodeDirObject(params[1])
		}
		return apiErr
	}
	return err
}

// SignatureDoesNotMatch - when content md5 does not match with what was sent from client.
type SignatureDoesNotMatch struct{}

func (e SignatureDoesNotMatch) Error() string {
	return "The request signature we calculated does not match the signature you provided. Check your key and signing method."