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authorColin Watson <cjwatson@debian.org>2010-08-23 22:50:14 +0100
committerColin Watson <cjwatson@debian.org>2010-08-23 22:50:14 +0100
commit43094ebf14c9b16f1ea398bc5b65a7335e947288 (patch)
tree10f5da5fe4f61992d238da7a71692157a609c819 /ssh-keysign.0
parent4b8ebe7e3647d3078fd4d025f4325b8cc1ac20d6 (diff)
parentff0095389ba9a9e4599e6051c8d5bae6777c4d64 (diff)
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+SSH-KEYSIGN(8) OpenBSD System Manager's Manual SSH-KEYSIGN(8)
+
+NAME
+ ssh-keysign - ssh helper program for host-based authentication
+
+SYNOPSIS
+ ssh-keysign
+
+DESCRIPTION
+ ssh-keysign is used by ssh(1) to access the local host keys and generate
+ the digital signature required during host-based authentication with SSH
+ protocol version 2.
+
+ ssh-keysign is disabled by default and can only be enabled in the global
+ client configuration file /etc/ssh/ssh_config by setting EnableSSHKeysign
+ to ``yes''.
+
+ ssh-keysign is not intended to be invoked by the user, but from ssh(1).
+ See ssh(1) and sshd(8) for more information about host-based
+ authentication.
+
+FILES
+ /etc/ssh/ssh_config
+ Controls whether ssh-keysign is enabled.
+
+ /etc/ssh/ssh_host_dsa_key, /etc/ssh/ssh_host_rsa_key
+ These files contain the private parts of the host keys used to
+ generate the digital signature. They should be owned by root,
+ readable only by root, and not accessible to others. Since they
+ are readable only by root, ssh-keysign must be set-uid root if
+ host-based authentication is used.
+
+ /etc/ssh/ssh_host_dsa_key-cert.pub, /etc/ssh/ssh_host_rsa_key-cert.pub
+ If these files exist they are assumed to contain public
+ certificate information corresponding with the private keys
+ above.
+
+SEE ALSO
+ ssh(1), ssh-keygen(1), ssh_config(5), sshd(8)
+
+HISTORY
+ ssh-keysign first appeared in OpenBSD 3.2.
+
+AUTHORS
+ Markus Friedl <markus@openbsd.org>
+
+OpenBSD 4.8 August 4, 2010 OpenBSD 4.8