Date: Fri, 5 May 2000 07:46:36 -0500 (EST) From: "Andrew J. Korty" <ajk@iu.edu> To: Kris Kennaway <kris@FreeBSD.org> Cc: Warner Losh <imp@village.org>, Peter Jeremy <peter.jeremy@alcatel.com.au>, security@FreeBSD.org Subject: Re: Cryptographic dump(8) Message-ID: <Pine.BSF.4.21.0005050744250.56884-100000@tempest.waterspout.com> In-Reply-To: <Pine.BSF.4.21.0005050209310.130-100000@freefall.freebsd.org>
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> On Fri, 5 May 2000, Warner Losh wrote: > > > How slow is quite slow? My dumps rarely run faster than a few > > hundered kbps (usually about 150). Even though my tape drive can go > > faster than that. My fs has too many small files for dump to get good > > performance out of. > > The unmodified OpenSSL (used in e.g. libdes) gets about 500kbps for 3DES > encryption on my PPro 233 - if you enable the asm optimizations per my > patch sent to -current a few weeks back, it brings it up to about > 1900kbps. Blowfish is much faster that this for the same key strength, > although I don't have exact numbers to hand. Well, like I said, I'm trying to make it easy to add cipher types. I have CBC 3DES working currently, but I can see how keeping the tape streaming could be a worry. I see Blowfish in libcrypto, but where is the documentation? -- Andrew J. Korty, Lead Security Engineer Office of the Vice President for Information Technology Indiana University To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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