MULTI-CLOCK RANDOM NUMBER GENERATOR
Original Publication Date: 1999-Sep-01
Included in the Prior Art Database: 2002-Aug-29
For many products that involve secure commu- nications, there is the need for a highly non-deter- ministic random number generator. Most hardware random number generators (RNGs) can be catego- rized as either analog or digital devices. Most of the analog designs require a noise source, essentially a piece of circuitry that is designed to have poor per- formance. However, when designed well, the data output from them is truly non-deterministic. Most of the digital designs incorporate circuits that do not create actual random data, but pseudo random data, meaning that future output is deterministic based on previous output. This deterministic aspect of some digital random number generators is undesirable in many high security systems.