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RE: LSH 1.2 works on systems that lack /dev/random?

From: Jim Franklin
Subject: RE: LSH 1.2 works on systems that lack /dev/random?
Date: Thu, 10 May 2001 15:16:06 -0700

Hi Niels,
 We're in the process of rebuilding the website. I was
wondering if you had some tutorials, howto or other that we might hook into
the website. The only link I have for lsh is:

We would love to hook in some more lsh info or links if you can send them or
point us toward them.

Jim Franklin

-----Original Message-----
From: []
Sent: Friday, May 11, 2001 12:15 AM
To: Jeff Bailey
Cc: Ognyan Kulev;;
Subject: Re: LSH 1.2 works on systems that lack /dev/random?

Jeff Bailey <> writes:

> I have sucesfully built the lsh-utils Debian package.  When I install
> it, though, I get:

Which version was it?

> Working, please wait...                                     Generating a
new host key: /etc/lsh_host_keyunix_random.c: background_poll read failed
(errno = 1073741859): Resource temporarily unavailable

It seems like reading the stdout of one of the programs (the first?)
fails. I have no idea what "Resource temporarily unavailable" would
mean in this context. Before reading, the code has called poll, and
at least one of POLLIN and POLLHUP was set.

> lsh-keygen: Could not get enough entropy from the environment.

That's a consequence of the entropy collector's failure earlier (the
background poll is actually a separate child process; it writes an
entropy estimate and a hash of the collected data to its stdout when

> Does the magical entropy generator only work after the keys have been

No, it doesn't depend on the keys.


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