From 0777e896f131c8e0453a1f402730207f59befd0c Mon Sep 17 00:00:00 2001
From: Matt Johnston <matt@ucc.asn.au>
Date: Thu, 14 Nov 2013 22:14:09 +0800
Subject: docs for ecdsa

---
 dropbear.8 | 40 ++++++++++++++++++----------------------
 1 file changed, 18 insertions(+), 22 deletions(-)

(limited to 'dropbear.8')

diff --git a/dropbear.8 b/dropbear.8
index f1ad576..40e1772 100644
--- a/dropbear.8
+++ b/dropbear.8
@@ -3,10 +3,10 @@
 dropbear \- lightweight SSH server
 .SH SYNOPSIS
 .B dropbear
-[\-FEmwsgjki] [\-b
-.I banner\fR] [\-d
-.I dsskey\fR] [\-r
-.I rsakey\fR] [\-p
+[\-RFEmwsgjki] [\-b
+.I banner\fR] 
+[\-r
+.I hostkeyfile\fR] [\-p
 .IR [address:]port ]
 .SH DESCRIPTION
 .B dropbear
@@ -20,24 +20,16 @@ Display the contents of the file
 .I banner
 before user login (default: none).
 .TP
-.B \-d \fIdsskey
-dsskeyfile.
+.B \-r \fIhostkey
 Use the contents of the file
-.I dsskey
-for the DSS host key (default: /etc/dropbear/dropbear_dss_host_key). 
-Note that 
-some SSH implementations
-use the term "DSA" rather than "DSS", they mean the same thing.
+.I hostkey
+for the SSH hostkey.
 This file is generated with
-.BR dropbearkey (1).
+.BR dropbearkey (1) 
+or automatically with the '-R' option. See "Host Key Files" below.
 .TP
-.B \-r \fIrsakey
-rsakeyfile.
-Use the contents of the file
-.I rsakey
-for the rsa host key (default: /etc/dropbear/dropbear_rsa_host_key).
-This file is generated with
-.BR dropbearkey (1).
+.B \-R
+Generate hostkeys automatically
 .TP
 .B \-F
 Don't fork into background.
@@ -143,9 +135,13 @@ key authentication.
 Host Key Files
 
 Host key files are read at startup from a standard location, by default
-/etc/dropbear/dropbear_dss_host_key and /etc/dropbear/dropbear_rsa_host_key
-or specified on the commandline with -d or -r. These are of the form generated
-by dropbearkey.
+/etc/dropbear/dropbear_dss_host_key, /etc/dropbear/dropbear_rsa_host_key, and 
+/etc/dropbear/dropbear-ecdsa_host_key
+or specified on the commandline with -r. These are of the form generated
+by dropbearkey. The -R option can be used to automatically generate keys
+in the default location - keys will be generated after startup when the first
+connection is established. This had the benefit that the system /dev/urandom
+random number source has a better chance of being securely seeded.
 
 .TP
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