Device driver for random number generation using entropy sources within a PC using no additional hardware. On-line purchase, free download of trial version.

A demonstration of the EntropyPool, entropy filter and gatherer daemon, gathering random noise from a number of sources. Download random bits or the Java source.

Report on testing and applications by Robert Davies, October 2000.

HotBits is a service which generates random data from the decay of radioactive material and sends it over the internet.

A system by which a pseudorandom number generator is seeded by cryptographic hash of the digital output of a photograph of six Lava Lite lamps.

Products include the SG100 hardware random number generator that connects to a PC serial port,driver software for Windows 95/Windows NT and example programs in source. Based in Lund, Sweden.

Orion Products. A parallel port dongle consisting of two independent analogue Zener diode based noise sources, with associated software. (Mac/DOS/Win)

True random number generator with CORBA and WWW interfaces. Numbers are generated with atmospheric noise. Source code for many clients (Java, Perl, and C++) online.

Random number generator software based on white noise from the sound card. Free download of evaluation version, on-line purchase. Windows32.