[webauthn] Add SM2 Digital Signature Algorithm Support (#1783)

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

== Add SM2 Digital Signature Algorithm Support ==
## SM2DSA is an alternative to the ECDSA algorithm specified in [[RFC6637]](https://tools.ietf.org/id/draft-openpgp-oscca-00.html#RFC6637).

In [the IETF RFC draft named "SM2 Digital Signature Algorithm"](https://datatracker.ietf.org/doc/html/draft-shen-sm2-ecdsa-02) a signature algorithm is specified. The SM2 signature scheme has a small advantage over ECDSA (US) and ECGDSA (Germany) for verifiers: the verifier need not compute any inverses modulo 𝑛. Otherwise the signer's costs are similar to the others. Security analysis of ECDSA is extraordinarily complicated and unsatisfying, in contrast to Schnorr; For better promotion in China,  I suggest adding support for SM2 Digital Signature Algorithm to the specification.


Please view or discuss this issue at https://github.com/w3c/webauthn/issues/1783 using your GitHub account


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Received on Monday, 25 July 2022 02:46:46 UTC