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Re: carrick, Blowfish & the NSA

To: "Mark M." <[email protected]>
Subject: Re: carrick, Blowfish & the NSA
From: "Perry E. Metzger" <[email protected]>
Date: Sun, 14 Apr 1996 15:33:34 -0400
cc: [email protected]
In-reply-to: Your message of "Sun, 14 Apr 1996 12:24:19 EDT." <Pine.LNX.3.92.960414121820.358A-100000@gak>
Reply-To: [email protected]
Sender: [email protected]

"Mark M." writes:
> > I was unaware that PGPPhone used Blowfish, but if it does that was a
> > stupid idea in the first place.
> 
> Blowfish is unpatented, free for commercial use, and very fast so I don't see
> how the use of Blowfish could be considered stupid.  IDEA and triple-DES may
> be more secure, but I think that they are too slow for voice communication.

Huh?

Voice communication is typically under 20kbps. Using Phil Karn's
latest code, a pentium can do about 10Mbps for single DES, and
presumably about 3Mbps for 3DES. Thats orders of magnitude larger than
you need. 3DES is unencumbered.

Perry

References:
- Re: carrick, Blowfish & the NSA
  - From: "Mark M." <[email protected]>

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