From: Jonathan Morton <chromatix99@gmail.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: "cerowrt-devel@lists.bufferbloat.net"
<cerowrt-devel@lists.bufferbloat.net>
Subject: Re: [Cerowrt-devel] archer c7 v2, policing, hostapd, test openwrt build
Date: Mon, 23 Mar 2015 03:10:26 +0200 [thread overview]
Message-ID: <4605FB2D-60EC-480A-9C5A-2BFF78560A09@gmail.com> (raw)
In-Reply-To: <CAA93jw40JoJLZK_=c14v7OdZrnUJrkvzk=-hxYKP0QT=T=5i0Q@mail.gmail.com>
> On 23 Mar, 2015, at 02:24, Dave Taht <dave.taht@gmail.com> wrote:
>
> I swear I'd poked into this and fixed it in cerowrt 3.10, but I guess
> I'll have to go poking through the patch set. Something involving
> random number obtaining, as best as I recall.
If it’s reseeding an RNG using the current time, that’s fairly bad practice, especially if it’s for any sort of cryptographic purpose. For general purposes, seed a good RNG once before first use, using /dev/urandom, then just keep pulling values from it as needed. Or, if cryptographic quality is required, use an actual crypto library’s RNG.
- Jonathan Morton
next prev parent reply other threads:[~2015-03-23 1:10 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-23 0:24 Dave Taht
2015-03-23 0:31 ` Jonathan Morton
2015-03-23 1:10 ` Jonathan Morton [this message]
2015-03-23 1:18 ` Dave Taht
2015-03-23 1:34 ` Jonathan Morton
2015-03-23 1:45 ` David Lang
2015-03-23 2:00 ` Dave Taht
2015-03-23 2:10 ` Jonathan Morton
2015-03-23 2:15 ` Dave Taht
2015-03-23 2:18 ` Dave Taht
2015-03-23 6:09 ` Sebastian Moeller
2015-03-23 13:43 ` Jonathan Morton
2015-03-23 16:09 ` Sebastian Moeller
2015-03-24 0:00 ` Sebastian Moeller
2015-03-24 0:05 ` Dave Taht
2015-03-24 0:07 ` Sebastian Moeller
2015-03-24 3:16 ` Jonathan Morton
2015-03-24 7:47 ` Sebastian Moeller
2015-03-24 8:13 ` Jonathan Morton
2015-03-24 8:46 ` Sebastian Moeller
2015-03-29 1:14 ` Sebastian Moeller
2015-03-29 6:17 ` Jonathan Morton
2015-03-29 11:16 ` Sebastian Moeller
2015-03-29 12:48 ` Jonathan Morton
2015-03-29 14:16 ` Sebastian Moeller
2015-03-29 15:13 ` Jonathan Morton
2015-03-23 17:08 ` David Lang
2015-03-23 16:17 ` Sebastian Moeller
2015-03-23 16:27 ` Dave Taht
2015-03-23 17:07 ` David Lang
2015-03-23 18:16 ` Jonathan Morton
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