>>>>> "Luke" == Luke Howard <[email protected]> writes:

    >> If we switch to a MIC, can we just omit the channel binding token
    >> in the case the client has no channel bindings? The exchange that
    >> contains the channel binding token is itself protected by a MIC,
    >> so an attacker cannot remove it. The acceptor would need to raise
    >> an error if no binding token was provided and the caller of
    >> GSS_Accept_sec_context() indicated bindings.
    Luke> ... although this itself could be configurable with a context
    Luke> option to allow missing bindings.

If you want to work with HTTP, you want to ignore channel bindings if
the acceptor passes in null.
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