[noise] Versioning (was Re: Noise Certificates?)

Tony Arcieri bascule at gmail.com
Wed Jul 30 21:59:02 PDT 2014

On Wed, Jul 30, 2014 at 8:26 PM, Trevor Perrin <trevp at trevp.net> wrote:

>  - precede all messages with 1-byte version

Can I suggest two version numbers?

- A major version number for security upgrades, e.g. a previous ciphersuite
is vulnerable to an attack and the server should inform the client
- A minor version for purely additive changes to the ciphersuite that
provide additional performance and/or security properties, e.g. djb's new
stream cipher Macarena20 has just won the CAESAR competition and we'd like
to start using it if it's mutually supported

Tony Arcieri
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