Hi
On 8/4/22 22:32, Hans Henrik Bergan wrote:
dangerous to be sure, but it's also a technically valid seed,
are you sure we should disallow a valid seed?
The all-zero state is not a valid state as per the reference
implementation at: https://xoshiro.di.unimi.it/xoshiro256starstar.c
> The st
On Thu, 2022-08-04 at 22:32 +0200, Hans Henrik Bergan wrote:
> dangerous to be sure, but it's also a technically valid seed,
> are you sure we should disallow a valid seed?
Reference implementation defines it as invalid:
https://prng.di.unimi.it/xoshiro256starstar.c
Some implementations choose to
On Thu, Aug 4, 2022 at 1:33 PM Hans Henrik Bergan
wrote:
> dangerous to be sure, but it's also a technically valid seed,
> are you sure we should disallow a valid seed?
>
>
How is it a valid seed if it creates invalid outputs?
dangerous to be sure, but it's also a technically valid seed,
are you sure we should disallow a valid seed?
On Thu, 4 Aug 2022 at 20:33, Tim Düsterhus wrote:
> Hi
>
> On 8/4/22 10:09, Anton Smirnov wrote:
> > xoshiro** has a known edge case: all-zero seed
>
> Indeed, good catch. I had that in mi
Hi
On 8/4/22 10:09, Anton Smirnov wrote:
xoshiro** has a known edge case: all-zero seed
Indeed, good catch. I had that in mind, but forgot about it.
generate()), PHP_EOL; //
}
It should be documented and/or handled
It's only for a string seed, int seed is not affected
I
2022年8月4日(木) 17:10 Anton Smirnov :
> Hi!
>
> Randomness again. Sorry if I just missed some relevant discussion
>
> xoshiro** has a known edge case: all-zero seed
>
>
> $engine = new \Random\Engine\Xoshiro256StarStar(str_repeat("\0", 32));
>
> while (true) {
> echo hex2bin($engine->generate())
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512
The PHP development team announces the immediate availability of PHP 8.1.9.
This is a bugfix release.
All PHP 8.1 users are encouraged to upgrade to this version.
For source downloads of PHP 8.1.9 please visit our downloads page. Windows
binaries c
PHP 8.2.0beta2 has just been released and can be downloaded from:
https://downloads.php.net/~sergey
or
https://qa.php.net/
or use the git tag: php-8.2.0beta2
Windows binaries are available at: https://windows.php.net/qa/#php-8.2
Please test it carefully, and report any bugs to
https://github.
The PHP development team announces the immediate availability of PHP
8.0.22. This is a bugfix release.
All PHP 8.0 users are encouraged to upgrade to this version.
For source downloads of PHP 8.0.2 please visit our downloads page.
Windows binaries can be found on the PHP for Windows site.
The lis
Hi!
Randomness again. Sorry if I just missed some relevant discussion
xoshiro** has a known edge case: all-zero seed
generate()), PHP_EOL; //
}
It should be documented and/or handled
It's only for a string seed, int seed is not affected
--
Anton
--
PHP Internals - PHP Runti
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