link-layer encryptors for Ethernet?

[Steven M. Bellovin]

In message <16904.59629.971901.464669 at 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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