Date: Wed, 05 Jul 2017 09:08:41 +0200 From: "Ulrich Windl" <Ulrich.Windl@...uni-regensburg.de> To: "Lee Duncan" <lduncan@...e.com> Cc: "David Miller" <davem@...emloft.net>, "Eric Biggers" <ebiggers3@...il.com>, "open-iscsi" <open-iscsi@...glegroups.com>, "Nicholas A.Bellinger" <nab@...ux-iscsi.org>, "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>, "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>, "Ted Ts'o" <tytso@....edu>,"Chris Leech" <cleech@...hat.com>, "Linux Crypto Mailing List" <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "Jason A.Donenfeld" <Jason@...c4.com> Subject: Antw: Re: Re: [PATCH v4 06/13] iscsi: ensure RNG is seeded before use >>> Jeffrey Walton <noloader@...il.com> schrieb am 17.06.2017 um 16:23 in Nachricht <CAH8yC8nHX2r9cfQ0gNeJAUrgSfAS8V16dVHv35BRnLn-YprZCg@...l.gmail.com>: [...] > But its not clear to me how to ensure uniqueness when its based on > randomness from the generators. Even with a perfect random generator non-unique values are possible (that's why it's random). It's unlikely, but it can happen. The question is whether the probability of non-unique values from /dev/urandom is any higher than that for values read from /dev/random. One _might_ be able to predict the values from /dev/urandom. Regards, Ulrich > > Jeff > > -- > You received this message because you are subscribed to the Google Groups > "open-iscsi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to open-iscsi+unsubscribe@...glegroups.com. > To post to this group, send email to open-iscsi@...glegroups.com. > Visit this group at https://groups.google.com/group/open-iscsi. > For more options, visit https://groups.google.com/d/optout.
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