Shea Levy <[email protected]> writes: > On 11/29/2012 02:00 AM, Mathijs Kwik wrote: >> While at the subject of random number generation, I would like to plug >> the "frandom" package (+kernel module), , as it has been very useful >> to me. It is available in NixOS through the use of >> services.frandom.enable = true. >> >> It uses the kernel random device but provides an extremely fast >> /dev/frandom to use from userspace (20x speedup compared to >> /dev/urandom on my system). This makes it the perfect source for >> filling up disks before putting some full-disk-encryption on top of. > > Something I've never understood about this technique... Why not just > zero out the encrypted block device? Won't that make the underlying > device look effectively random?
Same here. My last two disks I "randomized" by zeroing out the encrypted device. -- Florian Friesdorf <[email protected]> GPG FPR: 7A13 5EEE 1421 9FC2 108D BAAF 38F8 99A3 0C45 F083 Jabber/XMPP: [email protected] IRC: chaoflow on freenode,ircnet,blafasel,OFTC
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