RFR: 8306688: Support Windows serialized keystores (SST files)

[Weijun Wang]

On Fri, 26 May 2023 21:09:35 GMT, Mat Carter <macarte at openjdk.org> wrote:

> Added ability to load keystores from SST files on Windows.  Example usage:
> 
> KeyStore keyStore = KeyStore.getInstance("Windows-SST");
> try (FileInputStream fis = new FileInputStream("mykeystore.sst")) {
>    keyStore.load(fis, null);
> }
> 
> Note that its not limited to file streams, it can be any stream.
> 
> The feature is behind a runtime flag ("sun.security.mscapi.keyStoreSSTSupport") as the KeyStore must have an input stream, but the JCK tests assume an input stream is optional
> 
> tier1 tests for linux/macos/Windows for x86_64

But the `store` method works on an output stream. Once you've created a `new FileOutputStream(fileName)`, even if you do nothing later, the file is already overwritten.

Try keytool with your new keystore type and see what happens if you make any modification, say, `keytool -changealias`. (I haven't tried. I haven't tried your code on a Windows machine yet).

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PR Comment: https://git.openjdk.org/jdk/pull/14187#issuecomment-1572451281