Re: RFC 4121 & acceptor subkey use in MIC token generation

On Thu, Oct 26, 2023 at 06:26:18PM -0400, Jeffrey Hutzelman wrote:
> The gss-keyex userauth method is just an optimization; it prevents you
> having to actually run the GSSAPI exchange again after you've already used
> one of the GSSAPI-based keyex methods. The real win is in the GSSAPI-based
> keyex methods themselves, which are useful (and exist) because they avoid
> having to pick one of these:
> 
> [...]

All true.  But you forgot the other benefit: automatic re-delegation of
credentials prior to expiration.

Nico
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