linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andries Brouwer <aebr@win.tue.nl>
To: Ron Peterson <rpeterso@mtholyoke.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: /dev/random vs. /dev/urandom
Date: Fri, 7 Jan 2005 22:39:43 +0100	[thread overview]
Message-ID: <20050107213943.GA6052@pclin040.win.tue.nl> (raw)
In-Reply-To: <20050107190536.GA14205@mtholyoke.edu>

On Fri, Jan 07, 2005 at 02:05:36PM -0500, Ron Peterson wrote:

> When I compile and run the code below, the string of octal characters
> generated by reading /dev/random contains long strings of zeroes.

But it is your program that invents the zeros, they are not returned
by /dev/random. The bug in your program is failing to check the
return value of read().

  parent reply	other threads:[~2005-01-07 21:43 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-07 19:05 /dev/random vs. /dev/urandom Ron Peterson
2005-01-07 19:16 ` Paulo Marques
2005-01-07 19:24 ` Chris Friesen
2005-01-07 19:26 ` Florian Weimer
2005-01-07 19:27 ` linux-os
2005-01-07 19:40 ` Robert Love
2005-01-07 20:50   ` Ron Peterson
2005-01-07 21:39 ` Andries Brouwer [this message]
2005-01-07 22:39   ` linux-os
2005-01-07 17:55     ` Michal Schmidt
2005-01-07 23:29     ` Andries Brouwer
2005-01-08 17:34     ` Patrick J. LoPresti
2005-01-10 12:41       ` linux-os
2005-01-10 13:03         ` Paulo Marques
2005-01-10 14:39           ` Felipe Alfaro Solana
2005-01-10 15:13         ` Patrick J. LoPresti
2005-01-10 19:24         ` David Schwartz
2005-01-11 14:38         ` Andrea Arcangeli

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20050107213943.GA6052@pclin040.win.tue.nl \
    --to=aebr@win.tue.nl \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rpeterso@mtholyoke.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).