Date: Wed, 29 Aug 2001 18:15:25 -0700 (PDT) From: Mike Silbersack <silby@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/libkern arc4random.c Message-ID: <200108300115.f7U1FPQ43014@freefall.freebsd.org>
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silby 2001/08/29 18:15:25 PDT
Modified files:
sys/libkern arc4random.c
Log:
Minor improvements to arc4random():
- Decrease reseeding interval from every 64 to every 16384 runs
to reduce entropy usage.
- Add time based reseeding. (Every 5 minutes.)
- Throw away the first 256 words of output as suggested in
"Weaknesses in the Key Scheduling Algorithm of RC4."
Reviewed by: Mark Murray
MFC After: jkh says ok
Revision Changes Path
1.8 +30 -5 src/sys/libkern/arc4random.c
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