[concurrency-interest] ThreadLocalRandom clinit troubles
Oleksandr Otenko
oleksandr.otenko at oracle.com
Mon Jul 14 15:18:40 UTC 2014
Can someone summarize what happened?
SecureRandom used to get entropy from /dev/random, which is configurable
through a policy file to /dev/urandom. Has this changed?
Alex
On 12/07/2014 00:33, Martin Buchholz wrote:
> Thanks to Peter for digging into the secure seed generator classes and
> coming up with a patch. Openjdk security folks, please review. I
> confess to getting lost whenever I try to orient myself in the twisty
> maze of seed generator implementation files.
>
> Anyways, it seems important to have prngs like ThreadLocalRandom be
> able to get a few bits of seed entropy without loading hundreds of
> classes and without occupying any file descriptors permanently.
> Perhaps at Google we will go back to writing some simple non-portable
> startup code to read /dev/urandom until openjdk security team comes up
> with a more principled solution (but one that doesn't drag in too much
> machinery).
>
>
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