best way to create entropy?
jof at thejof.com
Fri Oct 12 00:25:37 UTC 2012
On Thu, Oct 11, 2012 at 5:20 PM, Jimmy Hess <mysidia at gmail.com> wrote:
> On 10/11/12, shawn wilson <ag4ve.us at 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.
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