RFR: 8354469: Keytool exposes the password in plain text when command is piped using | grep [v4]

[Hai-May Chao]

On Thu, 11 Sep 2025 17:57:57 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Allow password hiding even if there is no `System.console`. A manual test is included.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   use ByteBuffer::put for newline

Marked as reviewed by hchao (Reviewer).

Changes look good. I ran the newly created manual test on Mac and the test was running fine.

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PR Review: https://git.openjdk.org/jdk/pull/27196#pullrequestreview-3214033002
PR Comment: https://git.openjdk.org/jdk/pull/27196#issuecomment-3282998016