Hi,

I need a review for this P2 TCK-RED-9 bug.

The original request (JDK-8166350) was for documenting null algorithm names in the 3 new DRBG getInstances() in SecureRandom, but there is a 12 year old bug for the same thing throughout the JCA/JCE/JSSE/JGSS/JAAS. I've gone ahead and fixed.

    https://bugs.openjdk.java.net/browse/JDK-4985694
    http://cr.openjdk.java.net/~wetmore/4985694/webrev.00/

Other comments:

. Instead of waiting for a NP to be generated by the code, added a hardcoded NPE parameter sanity check:

    Objects.requireNonNull(algorithm, "null algorithm name");

. verified APIs to ensure proper exceptions are thrown for null/empty algorithm/provider Strings and null Providers.

. Added a full test suite for all getInstances to check for above, including a reflection check for future getInstances.

. Some minor javadoc cleanup/reorgs, mainly to the @returns/@throws/@exceptions tags (e.g. {@code ...}/alphabetizing/ending "." on phrases} for consistency and to conform to current javadoc standards. I've tried to be consistent throughout (@code's around class names}, but I know I have missed a couple things here/there (no @code's around parameter names). I do need to move onto other things.

Thanks,

Brad

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