RFR: 8297878: KEM: Implementation

[Xue-Lei Andrew Fan]

On Fri, 31 Mar 2023 02:25:04 GMT, Weijun Wang <weijun at openjdk.org> wrote:

> The KEM API and DHKEM impl. Note that this PR uses new methods in https://github.com/openjdk/jdk/pull/13250.

src/java.base/share/classes/javax/crypto/KEMSpi.java line 107:

> 105:      * @see KEM.Encapsulator
> 106:      */
> 107:     interface EncapsulatorSpi {

Is it really necessary to define a EncapsulatorSpi?  It looks like an internal implementation for KEMSpi service, rather than a public individual interface that EncapsulatorSpi.getInstance() could be used.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13256#discussion_r1164195329