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

Michael Richardson <mcr+ietf@sandelman.ca> Thu, 21 January 2021 02:13 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
cc: cbor@ietf.org, cose <cose@ietf.org>
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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:
    > 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.

obiwan-[work/richardson/cbor-file-magic](2.6.6) mcr 10355 %echo -n cbor | cbor2diag.rb
"bor"

obiwan-[work/richardson/cbor-file-magic](2.6.6) mcr 10356 %echo -n CBOR | cbor2diag.rb
h'424F52'

so, the first case is true, but the second does not seem to be.


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