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Re: [webauthn] Crypto algorithm agility: e.g., Specify the set of hash algorithms UAs can select between.

From: =JeffH via GitHub <sysbot+gh@w3.org>
Date: Wed, 06 Dec 2017 18:29:40 +0000
To: public-webauthn@w3.org
Message-ID: <issue_comment.created-349731653-1512584979-sysbot+gh@w3.org>
@jyasskin wrote in https://github.com/w3c/webauthn/issues/362#issuecomment-302914784:
> The algorithm agility story should probably be bigger than just the hash function. I've seen advice that we should strive to handle agility by upgrading to a whole new suite of cryptographic primitives, rather than making the parties negotiate each algorithm. Maybe the PublicKeyCredentialType enumeration is the right place to declare which versions an RP supports, and then each version will specify a single cryptographic algorithm for the authenticator to use in each place?

sounds like a worthwhile approach to consider.

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Received on Wednesday, 6 December 2017 18:29:42 UTC

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