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+SSH-RAND-HELPER(8)          System Manager's Manual         SSH-RAND-HELPER(8)
+
+NAME
+     ssh-rand-helper - Random number gatherer for OpenSSH
+
+SYNOPSIS
+     ssh-rand-hlper [-vxXh] [-b bytes]
+
+DESCRIPTION
+     ssh-rand-helper is a small helper program used by ssh(1), ssh-add(1),
+     ssh-agent(1), ssh-keygen(1), ssh-keyscan(1) and sshd(8) to gather random
+     numbers of cryptographic quality if the openssl(4) library has not been
+     configured to provide them itself.
+
+     Normally ssh-rand-helper will generate a strong random seed and provide
+     it to the calling program via standard output. If standard output is a
+     tty, ssh-rand-helper will instead print the seed in hexidecimal format
+     unless told otherwise.
+
+     ssh-rand-helper will by default gather random numbers from the system
+     commands listed in /etc/ssh/ssh_prng_cmds.  The output of each of the
+     commands listed will be hashed and used to generate a random seed for the
+     calling program.  ssh-rand-helper will also store seed files in
+     ~/.ssh/prng_seed between executions.
+
+     Alternately, ssh-rand-helper may be configured at build time to collect
+     random numbers from a EGD/PRNGd server via a unix domain or localhost tcp
+     socket.
+
+     This program is not intended to be run by the end-user, so the few comM--
+     mandline options are for debugging purposes only.
+
+     -b bytes
+             Specify the number of random bytes to include in the output.
+
+     -x      Output a hexidecimal instead of a binary seed.
+
+     -X      Force output of a binary seed, even if standard output is a tty
+
+     -v      Turn on debugging message. Multiple -v options will increase the
+             debugging level.  -h Display a summary of options.
+
+AUTHORS
+     Damien Miller <djm@mindrot.org>
+
+SEE ALSO
+     ssh(1), ssh-add(1), ssh-keygen(1), sshd(8)
+
+BSD                             April 14, 2002                             BSD