[saag] Re: Update on Adoption Poll for RSVP Cryptographic Au thentication Drafts in TEAS WG

Hi,

In particular, there are 3 goals with this pair of drafts:

1) Specify RSVP Authentication in an algorithm-independent and mode-independent manner, while retaining backwards compatibility for operators who have deployed the existing mechanism.  This provides long-term flexibility to specify/standardize new cryptographic algorithms (e.g., post-quantum algorithms and their modes) in modes as the IETF deems appropriate.

2) Specify how HMAC-SHA2 is used in combination the above draft.  The only currently standardized cryptographic algorithm is MD5, which desperately needs to be moved out of both IETF standards and the operational deployed Internet.  

3) By modularizing the specifications in this way, the base specification need not be updated every time a new algorithm or mode is specified.  Also, in future at some point, it will be possible for IETF to deprecate the HMAC-SHA2 draft without needing to update or modify the base specification.

Yours,

Ran Atkinson


> On Sep 11, 2025, at 19:56, Vishnu Pavan Beeram <[email protected]> wrote:
> 
> Hi Deb, Paul, and SAAG Participants,
> 
> The TEAS Working Group is currently conducting an adoption poll for two drafts related to RSVP cryptographic authentication:
>     • draft-atkinson-teas-rsvp-auth-v2-02
>         • Draft: https://datatracker.ietf.org/doc/html/draft-atkinson-teas-rsvp-auth-v2-02
>         • Adoption Poll Thread: https://mailarchive.ietf.org/arch/msg/teas/Os3m__PknSb2w2jH5v53rdg31TM/
>     • draft-atkinson-teas-rsvp-hmac-sha2-00
>         • Draft: https://datatracker.ietf.org/doc/html/draft-atkinson-teas-rsvp-hmac-sha2-00
>         • Adoption Poll Thread: https://mailarchive.ietf.org/arch/msg/teas/1iAAf3T0e9Z-VDdrp9ipegbDd8A/
> The adoption poll for both drafts will close on September 24.
> Given that this is a topic of relevance to SAAG, we (the TEAS WG chairs) wanted to share this update and encourage input from interested parties. If you have any technical feedback or comments on these drafts, we kindly invite you to contribute to the respective adoption poll threads on the TEAS mailing list.
> 
> Thank you for your attention and participation.
> 
> Best Regards,
> 
> Pavan and Oscar (TEAS WG Chairs)
> 

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