On Thu, Oct 11, 2012 at 5:20 PM, Jimmy Hess <mysi...@gmail.com> wrote: > On 10/11/12, shawn wilson <ag4ve...@gmail.com> wrote: >> in the past, i've done many different things to create entropy - >> encode videos, watch youtube, tcpdump -vvv > /dev/null, compiled a >> kernel. but, what is best? just whatever gets your cpu to peak or are > > You are referring to the entropy pool used for /dev/random and > crypto operations ? > > > You could setup a video capture card or radio tuner card, tune it into > a good noise source, and arrange for the bit stream to get written > to /dev/random
Yes, but then you're also introducing a way for an external attacker to transmit data that can be mixed into your entropy pool. While certainly a cool hack, I don't think anything like this would be safe for cryptographic use. </two cents> Cheers, jof