[16844] in cryptography@c2.net mail archive
Re: link-layer encryptors for Ethernet?
daemon@ATHENA.MIT.EDU (Steven M. Bellovin)
Tue Feb 8 15:10:10 2005
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From: "Steven M. Bellovin" <smb@cs.columbia.edu>
To: Russell Nelson <nelson@crynwr.com>
Cc: cryptography@metzdowd.com
In-Reply-To: Your message of "Tue, 08 Feb 2005 11:29:33 EST."
<16904.59629.971901.464669@desk.crynwr.com>
Date: Tue, 08 Feb 2005 11:32:46 -0500
In message <16904.59629.971901.464669@desk.crynwr.com>, Russell Nelson writes:
>Steven M. Bellovin writes:
> > Are there any commercial link-layer encryptors for Ethernet available?
> > I know that Xerox used to make them, way back when, but are there any
> > current ones, able to deal with current speeds (and connectors)?
>
>Given the price of gigE, it's hard to say that a 100Mbps adapter is
>"current", but Intel has one with 3DES. I recently went through my
>collection and threw out about a hundred antique (ISA / MCA) Ethernet
>cards, but I kept all the PCI ones. With sufficient inducement I
>could go grovelling through the Intel ones to get you a part number.
>
Hmm -- I thought that the Intel encrypting NIC cards were for IPsec,
not link encryption.
--Prof. Steven M. Bellovin, http://www.cs.columbia.edu/~smb
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