[webauthn] BigNumber serialization is not mentioned (#1647)

cyberphone has just created a new issue for https://github.com/w3c/webauthn:

== BigNumber serialization is not mentioned ==
From RFC8949:

_If a protocol includes a field that can express integers with an absolute value of 2^(64) or larger using tag numbers 2 or 3 (Section 3.4.3), the protocol's deterministic encoding needs to specify whether smaller integers are also expressed using these tags or using major types 0 and 1.  Preferred serialization uses the latter choice, which is therefore recommended._

Maybe the CTAP canonicalization spec. {c|sh}ould mention that it is using the former (not recommended) choice?


Please view or discuss this issue at https://github.com/w3c/webauthn/issues/1647 using your GitHub account


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Received on Sunday, 11 July 2021 06:38:21 UTC