RFR: 8297878: KEM: Implementation [v2]

[Weijun Wang]

On Thu, 13 Apr 2023 21:46:22 GMT, Xue-Lei Andrew Fan <xuelei at openjdk.org> wrote:

>> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   spec change, getAlgorithm
>
> src/java.base/share/classes/javax/crypto/KEMSpi.java line 119:
> 
>> 117:          * of {@code from} and {@code to} are within the correct range.
>> 118:          * Therefore an implementation of this method does not need to
>> 119:          * validate them.
> 
> The KEM caller does validate the parameters, but the caller may be more widely other than the KEM.   Then, the statement here could be wrong at that time.

I can rewrite this into something like "The caller of this method must validate..." so it becomes a requirement. We'll make sure the `KEM` class follows it. Any other class that wishes to call it directly must do it as well.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13256#discussion_r1166090688