Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Sat, 17 Jun 2017 02:41:39 +0200
From: "Jason A. Donenfeld" <>
To: Lee Duncan <>
Cc: "Theodore Ts'o" <>, Linux Crypto Mailing List <>, 
	LKML <>,, 
	Greg Kroah-Hartman <>, David Miller <>, 
	Eric Biggers <>, "Nicholas A. Bellinger" <>, 
	Chris Leech <>,
Subject: Re: Re: [PATCH v4 06/13] iscsi: ensure RNG is
 seeded before use

Hi Lee,

On Fri, Jun 16, 2017 at 11:58 PM, Lee Duncan <> wrote:
> It seems like what you are doing is basically "good", i.e. if there is
> not enough random data, don't use it. But what happens in that case? The
> authentication fails? How does the user know to wait and try again?

The process just remains in interruptible (kill-able) sleep until
there is enough entropy, so the process doesn't need to do anything.
If the waiting is interrupted by a signal, it returns -ESYSRESTART,
which follows the usual semantics of restartable syscalls.


Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.