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55 messages in org.freebsd.freebsd-currentRe: entropy reseeding is totally broken| From | Sent On | Attachments |
|---|---|---|
| Андрей Чернов | Oct 19, 2000 9:48 pm | |
| Udo Schweigert | Oct 19, 2000 10:57 pm | |
| Андрей Чернов | Oct 19, 2000 11:39 pm | |
| Андрей Чернов | Oct 19, 2000 11:51 pm | |
| Doug Barton | Oct 20, 2000 1:18 am | |
| Андрей Чернов | Oct 20, 2000 9:27 am | |
| Андрей Чернов | Oct 20, 2000 9:43 am | |
| Mark Murray | Oct 20, 2000 10:06 am | |
| Андрей Чернов | Oct 20, 2000 1:13 pm | |
| Warner Losh | Oct 24, 2000 11:15 am | |
| Terry Lambert | Oct 25, 2000 3:35 am | |
| Андрей Чернов | Oct 25, 2000 3:50 am | |
| Mark Murray | Oct 25, 2000 10:37 am | |
| Андрей Чернов | Oct 25, 2000 11:12 am | |
| Wesley Morgan | Oct 25, 2000 2:15 pm | |
| Mark Murray | Oct 25, 2000 3:12 pm | |
| John W. De Boskey | Oct 25, 2000 4:20 pm | |
| Wesley Morgan | Oct 25, 2000 4:50 pm | |
| Mark Murray | Oct 25, 2000 5:01 pm | |
| Doug Barton | Oct 25, 2000 9:28 pm | |
| Ed Hall | Oct 26, 2000 12:30 am | |
| David O'Brien | Oct 26, 2000 12:50 am | |
| Андрей Чернов | Oct 26, 2000 1:47 am | |
| Kris Kennaway | Oct 26, 2000 2:17 am | |
| Kris Kennaway | Oct 26, 2000 2:21 am | |
| Андрей Чернов | Oct 26, 2000 2:54 am | |
| Андрей Чернов | Oct 26, 2000 3:01 am | |
| Rod Taylor | Oct 26, 2000 3:30 am | |
| Андрей Чернов | Oct 26, 2000 3:34 am | |
| Jordan Hubbard | Oct 26, 2000 5:20 am | |
| John W. De Boskey | Oct 26, 2000 6:24 am | |
| Matt Dillon | Oct 26, 2000 9:55 am | |
| Mark Murray | Oct 26, 2000 10:06 am | |
| Mark Murray | Oct 26, 2000 10:17 am | |
| John Baldwin | Oct 26, 2000 11:06 am | |
| Андрей Чернов | Oct 26, 2000 11:36 am | |
| Terry Lambert | Oct 26, 2000 12:04 pm | |
| Mark Murray | Oct 26, 2000 12:39 pm | |
| Doug Barton | Oct 26, 2000 12:49 pm | |
| David O'Brien | Oct 26, 2000 1:26 pm | |
| Mark Murray | Oct 26, 2000 1:29 pm | |
| Matt Dillon | Oct 26, 2000 1:47 pm | |
| Mark Murray | Oct 26, 2000 2:02 pm | |
| Ed Hall | Oct 26, 2000 2:03 pm | |
| Matt Dillon | Oct 26, 2000 2:25 pm | |
| Doug Barton | Oct 26, 2000 2:44 pm | |
| Poul-Henning Kamp | Oct 26, 2000 2:51 pm | |
| Wesley Morgan | Oct 26, 2000 3:07 pm | |
| David O'Brien | Oct 26, 2000 3:15 pm | |
| Poul-Henning Kamp | Oct 26, 2000 3:18 pm | |
| Jim Bryant | Oct 26, 2000 3:29 pm | |
| Mark Murray | Oct 26, 2000 3:56 pm | |
| Doug Barton | Oct 26, 2000 9:00 pm | |
| Terry Lambert | Oct 27, 2000 5:19 pm | |
| Doug Barton | Oct 27, 2000 7:18 pm |
| Subject: | Re: entropy reseeding is totally broken | |
|---|---|---|
| From: | Андрей Чернов (ac...@nagual.pp.ru) | |
| Date: | Oct 20, 2000 1:13:47 pm | |
| List: | org.freebsd.freebsd-current | |
On Fri, Oct 20, 2000 at 10:06:37AM -0700, Mark Murray wrote:
It seems I find the problem area. 4096 bytes written in rc.shutdown are not enough for reseeding. When I change them to 16384 bytes, it works! I'll commit working rc.shutdown variant.
This is bogus.
_Any_ randomness written to /dev/random is good enough to perturb the sequence.
Please do _not_ make that commit.
Oops, sorry, already commited (I was not thinking it is principal, but it really fix potential security hole). I can back it out if you wish. But anything less then 16384 not reseed it.
-- Andrey A. Chernov http://ache.pp.ru/
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