RFR: 8277246: No need to check about KeyUsage when validating a TSA certificate [v2]

[Weijun Wang]

On Tue, 16 Nov 2021 21:00:12 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> There is no need to check for the KeyUsage extension when validating a TSA certificate.
>> 
>> A test is modified where a TSA cert has a KeyUsage but without the DigitalSignature bit.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   clarify RFC requirement

Revert the removal and add check on nonRepudiation as well. And the test still works. :-)

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PR: https://git.openjdk.java.net/jdk/pull/6416