1. A method for embedding metadata within medical data, the method comprising: embedding within actual medical data in a given medical data signal a robust watermark comprising an encrypted version of metadata related to the actual medical data that given medical data signal wherein removal of the robust watermark disturbs the actual medical data; and embedding a fragile watermark into that given medical data signal on top of a resulting medical data signal containing the robust watermark in least significant bits of the medical data signal to provide tamper identification of the actual medical data.