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Message-ID: <CAPLrYEQ9_hQWir87J+t+w=c8Q0p-VEGrw762QzBMSwDXoRVe-A@mail.gmail.com>
Date: Wed, 28 Jan 2015 20:33:59 +0100
From: Daniel Cegiełka <daniel.cegielka@...il.com>
To: musl@...ts.openwall.com
Subject: Re: getrandom syscall
2015-01-28 20:17 GMT+01:00 Rich Felker <dalias@...c.org>:
> On Wed, Jan 28, 2015 at 11:43:17AM -0600, Brent Cook wrote:
>> Here is the wrapper in LibreSSL for getrandom, to hopefully lend to
>> the discussion:
>>
>> https://github.com/libressl-portable/openbsd/blob/master/src/lib/libcrypto/crypto/getentropy_linux.c#L194
>
> This version is failing to set errno when rejecting len>256, which
> looks bad.
http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man2/getentropy.2?query=getentropy&sec=2
linux getrandom() is not limited to 256 bytes, but len>256 bytes is problematic.
Very similar and so different :)
Daniel
> Rich
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