While some of the deployed protocols are in the public domain, the source code for particular applications have not beenreleased yet making it difficult for security researchers to render an informed opinion on its implementation.
Last month, the Vatican gave Cardinal Julian Herranz a "pontifical mandate" to uncover the source of hundreds of personal letters and confidential documents that havebeenreleased to Gianluigi Nuzzi, an Italian journalist and author of "Sua Santita, " a book that translates to "His Holiness" and includes the documents.