Bugtraq mailing list archives

Re: Bad PRNGs revisted in FreSSH


From: Ulf Moeller <ulf () openssl org>
Date: Thu, 15 Feb 2001 01:22:34 +0100

On Wed, Feb 14, 2001, tls () REK TJLS COM wrote:

* worst-case, it degenerates to the internal
seeding of the OpenSSL PRNG, even if we fed it
_nothing_ else at all.  OpenSSL doesn't really
suck about this.

If you want to use OpenSSL's internal seeding, DO NOT use RAND_seed() with
bogus data. If you at least used RAND_add() with an entropy estimate of 0,
OpenSSL would still have the chance to stop you from using an essentially
unseeded PRNG.


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