Watson Ladd <watsonbl...@gmail.com> writes:

> Think of this "fixed ordering" as versioning, like HTTP/0.9, 1.0, 1.1,
> 2.0, etc. The idea is that we'd only introduce new versions when we
> knew they were stronger than the old ones.

Such a linear ordering would be very hard to achieve, given that
different parts of the world trust/mistrust different crypto algorithms.
Even among cipher suites discussed so far, how would we order
P-256/AES-128 vs. Curve25519/Chacha/Poly1305.  The former set is better
is the sense that it is more established.  The latter is better in the
sense that it is newer, potentially more efficient, and (for the
paranoid) less tainted by government involvement.  I think realistically
the preference has to be left to the individual host configuration
rather than the IETF.

David

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