Camellia project proposal

Tom Yu tlyu at MIT.EDU
Thu Dec 10 23:08:59 EST 2009

Sam Hartman <hartmans at MIT.EDU> writes:

>>>>>> "Ken" == Ken Raeburn <raeburn at MIT.EDU> writes:
>     Ken> On Dec 8, 2009, at 14:35, Sam Hartman wrote:
>     >> However, I would strongly object to an enctype that did not have
>     >> self-describing tokens--that is, an enctype where the plaintext
>     >> length cannot be inferred from the decrypted token.
>     Ken> I think it'd be a nice property to have, but given the
>     Ken> existence of DES and 3DES, we've already lost the ability to
>     Ken> take advantage of it in any real way (we need the
>     Ken> self-describing ASN.1 DER encoding), so I'm not sure what it
>     Ken> buys us now.
> CFX and some out-of-tree code I've seen treats DES as a special case and
> tries to make simplifying assumptions about other things.

As in assuming that decryption recovers the exact length of the

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