[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
No Subject
> -----BEGIN PGP SIGNED MESSAGE-----
>
> A Kerberos V4 session key is chosen by calling random() repeatedly.
> THe PRNG is seeded with srandom(time.tv_usec ^ time.tv_sec ^ p ^ n++),
> where p is a static integer set to getpid() ^ gethostid() on the first
> call and n is a static counter.
>
> Is there any entropy here??? Most, if not all, Kerberos servers run one
> time synchronization protocol or another, which reduces the entropy to a
> few bits at most.
>
> DEADBEAT <[email protected]>
usec grainlessness typically doesn't approach anything like a usec on most
OS implimentations either.
--
+----------------------------------+-----------------------------------------+
|Julian Assange | "if you think the United States has |
|FAX: +61-3-9819-9066 | stood still, who built the largest |
|EMAIL: [email protected] | shopping centre in the world?" - Nixon |
+----------------------------------+-----------------------------------------+