Re: [TLS] FW: draft-badra-tls-psk-new-mac-aes-gcm-02

Dear Joe and Alfred,

> Here is a message from Alfred who was having trouble sending to the list.

Thank you for the forwarding.

> From: Alfred H�nes [mailto:ah@tr-sys.de]

> Various work-in-progress documents currently contribute to the definition
> of TLS ciper suites using the stronger SHA-2 family of cryptographic
> hashes, which has become viable by the amendments and additional algorithm
> agility built into TLS 1.2.
>
> The latest revision (-07) of draft-ietf-tls-ecc-new-mac has removed the
> 'secondary' lists of the newly introduced TLS ECC cipher suites in favor
> of text explaining the regular CipherSuite naming pattern followed and
> giving more details on the particular algorithms/mechanisms indicated by
> the new ciper suite names.  This principle seems to be useful -- easily
> retainable rules are more friendly to the reader than long tables.
>
> Another I-D offered to the TLS WG,
>       draft-badra-tls-psk-new-mac-aes-gcm-02,
> aims at defining similar new TLS cipher suites, but for the 'classical'
> (non-ECC) Pre-Shared Key scenario of RFC 4279.
> This draft already follows the above principle in its Section 2.
>
> To achieve a more homogenous style -- within that document and among all
> similar documents --, and in support of enhanced readability, as noted
> above, I suggest that a similar change be performed for Sections 3.1 ...
> 3.3 of draft-badra-tls-psk-new-mac-aes-gcm, i.e.:
>
> - State the rules for deriving the new CipherSuite names from
>   existing ones, and which PRF and MAC algorithms are indicated
>   by these new name suffixes -- perhaps, a single instance of
>   the explanation of PRFs and MACs will suffice;
>
> - remove the 'secondary' tables from Sections 3.1 ... 3.3 which
>   presently serve to give a terse, tabular representation of the
>   same information.

I submitted an updated version that includes the above comments.

> Alfred.

Many thanks.
Best regards,
Badra
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