Re: [CHANNEL-BINDING] Re: draft-ietf-sasl-gs2 AD review comments

>>>>> "Simon" == Simon Josefsson <simon@josefsson.org> writes:

    Simon> Sam Hartman <hartmans-ietf@mit.edu> writes:
    >> I just had a quick phone call with Nico.
    >> 
    >> 
    >> He's still been thinking about this from the API standpoint.  I
    >> was asking him why we wanted to support separate slots in the
    >> protocol for channel binding type and channel binding data.I
    >> didn't understand the complexity.  During the conversation it
    >> became clear that Nico believed that at the end of the day you
    >> want to end up with a channel binding type, a colon and some
    >> stuff.  I like that too.  I don't care how it works in the API
    >> at all.
    >> 
    >> 
    >> I propose we accomplish this by adding the following
    >> requirement:
    >> 
    >> "Under this framework, channel bindings MUST start with the
    >> channel binding unique prefix followed by a colon (ASCII 0x3A).
    >> "

    Simon> I like it.

    Simon> Is it specified that the channel binding unique prefix
    Simon> cannot contain ASCII 0x3a?

Yes.
alphanum plus '.' and '-'

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