cvs commit: src/sys/libkern arc4random.c
Mike Silbersack
silby at silby.com
Thu Aug 14 23:37:25 PDT 2003
On Thu, 14 Aug 2003, Mike Silbersack wrote:
> silby 2003/08/14 23:34:47 PDT
>
> FreeBSD src repository
>
> Modified files:
> sys/libkern arc4random.c
> Log:
> Lock down arc4random so it can be safely called w/o Giant.
>
> Minor code reorganization was required, but the only functional
> change was that the first 1024 bytes of output are thrown out
> after each reseed, rather than just the initial seed.
>
> Revision Changes Path
> 1.12 +26 -17 src/sys/libkern/arc4random.c
This doesn't use per-cpu randomness pools or anything cool, but I decided
that easily verified locking was more important at this point. (And I
doubt that it's a performance problem either way.)
Mike "Silby" Silbersack
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