WG last call for IPv4 DES and 3DES

["William Allen Simpson" <bsimpson@morningstar.com>]

Since we have had no new suggestions for IPv4 ESP, it is time to move on
to the required DES transform.

Two suggestions have been received.

First, that the DES function be combined with the ESP draft,
so that it is clear that DES and no others are required to be implemented.
This was a deliberate change from the original IPv6 text, which allowed
us to separately consider the Header from the actual transform.

Second, that 3DES be required instead of DES.  DES can always be
generated using 3DES, and 3DES is more usable for the long term,
noting that DES is already attacked with modest resources.

Are there any other considerations?

Bill.Simpson@um.cc.umich.edu

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