On Mon, 30 Aug 2021 15:45:00 GMT, Xue-Lei Andrew Fan <xue...@openjdk.org> wrote:

>> Good suggestion.
>> 
>> One more thing: `checkedKeyTypes` only looks at `ss.keyAlgorithm`. I know 
>> the other checks (`SignatureScheme.getPreferableAlgorithm` and 
>> `X509Authentication.valueOf`) also only look at `ss.keyAlgorithm`, but are 
>> we going to check for more (Ex: group name) later? In the meantime, I would 
>> suggest changing the parameter type of these methods from `SignatureScheme` 
>> to `String` so we know only `keyAlgorithm` is checked.
>
> Did you mean to change hc.peerRequestedCertSignSchemes to String?  This field 
> would be used for algorithm constraints and more parameters are required 
> there.

No, I meant changing the type of the `certScheme` argument in

    static SignatureScheme getPreferableAlgorithm(
            AlgorithmConstraints constraints,
            List<SignatureScheme> schemes,
            SignatureScheme certScheme,
            ProtocolVersion version) {

to `String`. Since we are only putting `ss.keyAlgorithm` value into the checked 
type list, we need to make sure we only check on about `keyAlgorithm` now. My 
concern is that suppose one day we decide to check on `ss.namedGroup` as well, 
then we will remember to update this method and the checked list at the same 
time.

-------------

PR: https://git.openjdk.java.net/jdk/pull/5257

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