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audio entropy daemonAudio-entropyd generates entropy-data for the /dev/random device.This version also includes some patches by Udo van den Heuvel which makes it more intelligent for when it should add data to the entropy-pool. Version 0.0.4 is a massive rewrite: the method for entropy-gathering was completely rewritten. Download
Changes1.0.1: no longer exits when random data is not random enough, it now skips it and continues when data is random enough again1.0.0: the buffer was only refilled once 0.0.7: added code which checks the quality of the random data Links VideoEntropyd is like audio-entropyd for a 'video-4-linux'-compatible device. E.g. a tv-card or a webcam. inventgeek.com - use a radiation-source from a smoke-dector and a webcam for generating random numbers. fourmilab - another article about generating true random numbers using an radioactive source. This website: http://www.cs.berkeley.edu/~daw/rnd/ lists a whole lot of links to information on entropy-gathering on computers. lavarnd.org - generating random values using a lavalamp and a webcam. Hardware solutions Soekris engineering sells a board for aprox. $80 with a hardware RNG on it. ComScire has an USB solution producing upto 1Mb of random data per second. Orion has an RS232 solution producing 7.6Kb per second. hg400 USB2.0 connected hardware RNG. data-rates from 16Mb upto 32Mb. protego.se an RS232 and USB solution. qrbg - a USB connected quantum RNG. 12Mb/s idquantique - another quantum solution. 4 upto 16Mb
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