I've made a simple bash script that checks the entropy pool level in /dev/random. I realize that the way I do it, I lower it very slightly at each check (cat /proc/sys/kernel/random/entropy_avail) but ...
I know that random number generators on computers are only pseudo-random, but are the PRNGs on Live Boot USB or DVDs even less random? Is there a way to seed them after booting? Specifically curious ...
man 4 random has a very vague description of Linux kernel entropy sources: The random number generator gathers environmental noise from device drivers and other sources into an entropy ...
How to make sure the generated passwords contains all these special characters: ?!/=\? Currently I'm using: pwd_usr["$i"]=`cat /dev/urandom|tr -dc "a-zA-Z0-9-_\?\!\=\/\"|fold -w 15|head -n 1` But ...
I have this PHP script: <?php $od = shell_exec('od /dev/hwrng --address-radix=n --read-bytes=4 --format=u4'); ?> <html> <head> <title>hwrng</title> </head> ...
For automated testing of some applications, I would like to emulate the users behaviour. I know I can user the xdotool type --delay option, but I would like a more natural delay. The easiest thing ...