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From: =?UTF-8?Q?Daniel_Cegie=C5=82ka?= <daniel.cegielka@gmail.com>
Newsgroups: gmane.linux.lib.musl.general
Subject: Re: getrandom syscall
Date: Wed, 28 Jan 2015 20:33:59 +0100
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2015-01-28 20:17 GMT+01:00 Rich Felker <dalias@libc.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