|
| From: | Markus Mützel |
| Subject: | [Octave-bug-tracker] [bug #58800] BIST for rng sometimes fails |
| Date: | Thu, 23 Jul 2020 06:51:00 -0400 (EDT) |
| User-agent: | Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36 Edg/84.0.522.40 |
Follow-up Comment #6, bug #58800 (project octave):
Maybe we could use the WinAPI to get entropy on Windows (which doesn't have
/dev/urandom).
That way we wouldn't have to rely on the clock (in function
init_mersenne_twister in liboctave/numeric/randmtzig.cc).
Possible sources could be:
https://docs.microsoft.com/en-us/windows/win32/api/wincrypt/nf-wincrypt-cryptgenrandom
(Available since Windows XP. But now deprecated.)
https://docs.microsoft.com/en-us/windows/win32/api/bcrypt/nf-bcrypt-bcryptgenrandom
(Current interface. But only available since Windows Vista.)
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