VoIP-Signatur Patent für Fraunhofer - once again nonsense from the patent front. On the one hand, signing a sequence of packets is not really so terribly innovative that it needs a patent. Also, the linking of packets via hashes of the predecessor contents is not really groundbreakingly innovative. Sure, the idea may be nice - but is it realistically worth a patent? Especially in a country where there are supposedly no patents on algorithms? Apart from that: if the signing of communication for legal transactions is so essential - why are individual institutions or companies granted patents that de facto represent a monopolization of security means? Are contract forms and receipt pads also patented, so that you can only buy them from one manufacturer? No? Oh ...