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Re: [Cbor] Updated Drafts for dCBOR I-D and Gordian Envelope Structured Data Format I-D & IANA Tag Registration

Carsten Bormann <cabo@tzi.org> Mon, 08 May 2023 20:35 UTC

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From: Carsten Bormann <cabo@tzi.org>
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Date: Mon, 08 May 2023 22:35:11 +0200
Cc: cbor@ietf.org, Wolf McNally <wolf@wolfmcnally.com>, Shannon.Appelcline@gmail.com
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To: Christopher Allen <christophera@lifewithalacrity.com>
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Subject: Re: [Cbor] Updated Drafts for dCBOR I-D and Gordian Envelope Structured Data Format I-D & IANA Tag Registration
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On 2023-05-08, at 19:40, Christopher Allen <christophera@lifewithalacrity.com> wrote:
> 
> * Based on feedback from Anders Rundgren, the requirement that CBOR_NEGATIVE_INT_MAX be disallowed has been added.

I don’t understand Section 3.5.
This appears to be confused: the whole range from -(2**64) to
-(2**63)-1 fits in an nint (major type 1) but cannot be represented 
in an int64 and will need to use a larger integer size 
(or bignum support) of the platform.

Grüße, Carsten

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