From: "Daniel Cegiełka" <daniel.cegielka@gmail.com>
To: musl@lists.openwall.com
Subject: Re: getrandom syscall
Date: Wed, 28 Jan 2015 20:33:59 +0100 [thread overview]
Message-ID: <CAPLrYEQ9_hQWir87J+t+w=c8Q0p-VEGrw762QzBMSwDXoRVe-A@mail.gmail.com> (raw)
In-Reply-To: <20150128191746.GK4574@brightrain.aerifal.cx>
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
next prev parent reply other threads:[~2015-01-28 19:33 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-27 22:12 Daniel Cegiełka
2015-01-28 9:02 ` Szabolcs Nagy
2015-01-28 9:10 ` Daniel Cegiełka
2015-01-28 12:26 ` Szabolcs Nagy
2015-01-28 12:42 ` Daniel Cegiełka
2015-01-28 14:49 ` Rich Felker
2015-01-28 14:54 ` Rich Felker
2015-01-28 15:41 ` Szabolcs Nagy
2015-01-28 15:50 ` Daniel Cegiełka
2015-01-28 16:03 ` Szabolcs Nagy
2015-01-28 16:12 ` Daniel Cegiełka
2015-01-28 16:21 ` Rich Felker
2015-01-28 17:02 ` Daniel Cegiełka
2015-01-28 17:09 ` Daniel Cegiełka
2015-01-28 17:43 ` Brent Cook
2015-01-28 18:12 ` Daniel Cegiełka
2015-01-28 19:17 ` Rich Felker
2015-01-28 19:33 ` Daniel Cegiełka [this message]
2015-01-28 20:20 ` Brent Cook
2015-01-28 22:02 ` Rich Felker
2015-01-28 22:59 ` Josiah Worcester
2015-02-09 20:37 ` Andy Lutomirski
2015-01-28 16:25 ` Daniel Cegiełka
2015-01-28 16:01 ` Daniel Cegiełka
2015-01-28 15:41 ` Daniel Cegiełka
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