Messages in this thread | | | Date | Thu, 30 Apr 1998 16:13:09 +0200 | From | Alexander Kjeldaas <> | Subject | Re: Update to the /dev/random driver |
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On Wed, Apr 29, 1998 at 12:47:31PM -0400, tytso@mit.edu wrote: > Hi there, > > I've been working on a number of updates to the /dev/random > driver, making it faster, lower-overhead, and smaller. As a bonus, the > algorithms that it uses to mix in the entropy have been improved, too. > Most of the improvements are courtesy of Colin Plumb. (Thanks, Colin!) > > One of the changes included here is an improved SYN cookie > algorithm. Since I don't use SYN cookies, I'm sending out these patches > asking for some folks who do use them to try out these patches, and > report to me before I ask Linus to include into the kernel. I'd > appreciate hearing both positive and negative reports if you try these > patches. >
Hi, do you know how much get_random_bytes has improved? I implemented random pids in an earlier patch and it was a bit slow (not a lot, but a bit ;). Also, will it improve performance if I read a number of bytes >2 and have a few bytes of "cache" in the allocate_pid routine or is this done internally in the random driver?
astor
-- Alexander Kjeldaas, Guardian Networks AS, Trondheim, Norway http://www.guardian.no/
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