[crac] Integrated: Reseed secure random on checkpoint restore

[Alexey Bakhtin]

On Fri, 17 Dec 2021 13:38:18 GMT, Alexey Bakhtin <abakhtin at openjdk.org> wrote:

> Proposed changes in the SecureRandom implementation allow invalidating and reseeding SHA1PRNG secure random during checkpoint/restore. SHA1PRNG can be invalidated and reseeded in case of being created with a default embedded seed generator. Also, SHA1PRNG is used as an additional seed generator to the SUN NativePRNG implementation, so it is desirable to have reseeded SHA1PRNG after restore.
> Two jtreg tests added: 
> - verify if no deadlocks introduced by checkpoint/restore
> - verify if SHA1PRNG is reseeded if created with default embedded seed generator

This pull request has now been integrated.

Changeset: b990928d
Author:    Alexey Bakhtin <abakhtin at openjdk.org>
Committer: Anton Kozlov <akozlov at openjdk.org>
URL:       https://git.openjdk.java.net/crac/commit/b990928db22278f580a78aef93966ca03024e728
Stats:     258 lines in 4 files changed: 209 ins; 5 del; 44 mod

Reseed secure random on checkpoint restore

Reviewed-by: akozlov

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PR: https://git.openjdk.java.net/crac/pull/7