IIRC OpenBSD's arc4random (even in the kernel) gets its initial seed by pretty m... | Hacker News

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		dfox on Oct 5, 2024 \| parent \| context \| favorite \| on: Getentropy() vs. RAND_bytes() IIRC OpenBSD's arc4random (even in the kernel) gets its initial seed by pretty much identical mechanism as linux-specific getauxval(AT_RANDOM).

fanf2 on Oct 6, 2024 [–]

No, userland arc4random() calls getentropy()

https://cvsweb.openbsd.org/src/lib/libc/crypt/arc4random.c?r...

I have not investigated OpenBSD’s boot-time kernel RNG keying.

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