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Re: [Cbor] CBOR magic number, file format and tags

Michael Richardson <mcr+ietf@sandelman.ca> Thu, 21 January 2021 02:10 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>, cbor@ietf.org
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Date: Wed, 20 Jan 2021 21:10:10 -0500
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Subject: Re: [Cbor] CBOR magic number, file format and tags
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Josef 'Jeff' Sipek <jeffpc@josefsipek.net> wrote:
    > On Wed, Jan 20, 2021 at 18:56:01 -0500, Michael Richardson wrote: ...
    >> Since very early in computing, operating systems have sought ways to
    >> mark which files could be proposed by which programs.
    >>
    >> For instance, the Unix file(1) command, which has existed since 1973
    >> ({{file}}), has been able to identify many file formats for decades.
    >>
    > ...
    >> # Proposal One
    >>
    >> This proposal uses a CBOR Array of size two.
    > ...
    >> # Proposal Two
    >>
    >> This proposal uses a CBOR Sequence {{!RFC8742}}.

    > Recently, I was thinking about the fun fact that the Unicode string
    > "bor" and the byte string "BOR" end up getting encoded as "cbor" and
    > "CBOR", respectively.

Oh my.
That's too cool not to run with.

--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide

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