Messages in this thread |  | | Date | Thu, 30 May 1996 08:17:21 -0400 (EDT) | From | Kevin M Bealer <> | Subject | Re: random() in kernel |
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On Mon, 27 May 1996, Pedro Roque Marques wrote:
> > Hi, > > I need to obtain random numbers in the kernel, to be more clear i'm > looking for statistic random numbers. Since there are a lot of people > out there that got some handly algorithms i would like a pointer to > them. The generator doesn't need to be very good, size and speed are > major concerns. The reason why the phisical event counter based > entropy is not too good for my purposes is that the generator will be > called right after system initialization and the fact that the > objective is obtaining equally distributed numbers. > > What is in question here is the right time to send packets to the > network to avoid colisions. > > ./Pedro.
You can use dd to pull a 1k block from /dev/urandom at startup and save it to a file, and you can cat file > /dev/random to 'seed' the generator... I think it's described more in the /usr/src/linux/*/random.c wherever it is.
__kmb203@psu.edu_________________________Debian__1.1___Linux__1.99.7___ "Love is a snowmobile racing across the tundra and then suddenly it flips over, pinning you underneath. At night, the ice weasels come." -- Matt Groening
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