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

[Xue-Lei Andrew Fan]

On Tue, 16 Nov 2021 19:36:11 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.

src/java.base/share/classes/sun/security/validator/EndEntityChecker.java line 364:

> 362:                 ValidatorException.T_EE_EXTENSIONS, cert);
> 363:         }
> 364: 

Could you add a comment here just in case someone else adding the checking back?  Otherwise, looks nice to me.

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