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Audio Entropyd - mindrot.org
http://www.mindrot.org/audio-entropyd.html
Audio Entropyd is a small program that I wrote to read data from a soundcard, hash it and feed the result to the Linux kernel's random number pool. Since this audio contains at least small amounts of noise, this may be a cheap source of entropy. audio-entropyd takes the difference between stereo channels in an attempt to eliminate hum. 2005-05-05: This code has …
About audio-entropyd for Yum on Linux
https://yum-info.contradodigital.com/view-package/epel/audio-entropyd/
audio-entropyd Information about the package, audio-entropyd, which is shipped with common Linux distributions. The audio-entropyd package is …
Helping The Random Number Generator To Gain Enough …
https://www.howtoforge.com/helping-the-random-number-generator-to-gain-enough-entropy-with-rng-tools-debian-lenny
run: make && install -g 0 -o 0 -m 755 audio-entropyd /usr/sbin/audio-entropyd Or you can run it from where it is. For the init.d script included in the download, run it to tweek the errors (very simple, trust me it will work)
lista de arquivos para download - audio-entropyd - OSDN
https://pt.osdn.net/projects/freshmeat_audio-entropyd/releases/
audio-entropyd feeds the /dev/random device with entropy data read from an audio device. The audio data is not copied as is, but first 'de-biased' and analyzed to determine how many bits of entropy are in it. This program is useful for systems doing many cryptographic tasks like VPN endpoints or GPG clients; it helps prevent the /dev/random ...
Audio Entropy
https://www.audioentropy.com/
Audio Entropy is a free podcast network featuring a community of friends celebrating their passions. Featured shows include: Digimon: Digital Moncast, Let Me Tell You About Homestuck/Evangelion, Teenagers with Attitude, Totally Reprise, Let's Place, War and Beast, and All Along the Watchtower.
Appropriate sources of entropy [LWN.net]
https://lwn.net/Articles/283103/
A steady stream of random events allows the kernel to keep its entropy pool stocked up, which in turn allows processes to use the strongest random numbers that Linux can provide. Exactly which events qualify as random—and just how much randomness they provide—is sometimes difficult to decide. A recent move to eliminate a source of contributions …
Maximum entropy! Is this "sufficiently" random ...
https://bbs.archlinux.org/viewtopic.php?id=138504
There actually is an audio entropy daemon: http://www.vanheusden.com/aed/ It uses some other tricks to remove bias, but I couldn't find any papers on it when I searched for them a few years ago. I know it's at least available for Debian (not that that means anything). Last edited by Tes-- (2012-04-01 13:00:48)
Low entropy_avail? - CentOS
https://forums.centos.org/viewtopic.php?t=31111
The audio daemon is a little smarter, it does a select on the write handle to suspend itself until entropy_avail falls below the write_wakeup_threshold. I have to believe that other entropy collection works similarly.
Watch the amount of entropy your system has : linux
https://www.reddit.com/r/linux/comments/2hu9za/watch_the_amount_of_entropy_your_system_has/
EDIT: If you want to increase the entropy in the kernel pool, you can install haveged, audio-entropyd (make sure your microphone isn't muted), and video_entropyd (needs a camera or video input, might be able to hook up an analog antenna to a TV Tuner and set it to a static channel. It might also suck up some CPU cycles, so be careful), .
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