Date: Wed, 31 Aug 2005 22:54:33 +1000 From: Norberto Meijome <freebsd@meijome.net> To: freebsd-questions@freebsd.org Subject: Re: entropy Message-ID: <4315A889.4060400@meijome.net> In-Reply-To: <20050831092718.GA887@twelvegates.homeip.net> References: <20050831092718.GA887@twelvegates.homeip.net>
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Hanspeter Roth wrote: > Hello, hello, grab a beverage and start reading ;) > > what is entropy for? http://en.wikipedia.org/wiki/Entropy > What are the consequences if one sets rc.conf/entropy_file and > rc.conf/entropy_dir to "NO"? $ grep entropy /etc/defaults/rc.conf entropy_file="/entropy" # Set to NO to disable caching entropy through reboots. # /var/db/entropy-file is preferred if / is not avail. entropy_dir="/var/db/entropy" # Set to NO to disable caching entropy via cron. entropy_save_sz="2048" # Size of the entropy cache files. entropy_save_num="8" # Number of entropy cache files to save. $ apropos entropy random(4) - the entropy device random_harvest(9) - gather entropy from the kernel for the entropy device RAND_add(3), RAND_seed(3), RAND_status(3), RAND_event(3), RAND_screen(3) - add entropy to the PRNG RAND_egd(3) - query entropy gathering daemon
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