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.\"                                      Hey, EMACS: -*- nroff -*-
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.\" First parameter, NAME, should be all caps
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.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
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.\" other parameters are allowed: see man(7), man(1)
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.TH LSH-KEYGEN 1 "Aug 21 2002" lsh-keygen "lsh manuals"
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.\" Please adjust this date whenever revising the manpage.
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.\"
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.\" Some roff macros, for reference:
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.\" .nh        disable hyphenation
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.\" .hy        enable hyphenation
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.\" .ad l      left justify
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.\" .ad b      justify to both left and right margins
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.\" .nf        disable filling
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.\" .fi        enable filling
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.\" for manpage-specific macros, see man(7)
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.SH NAME
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lsh-keygen \- generate a public/private key pair
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.SH SYNOPSIS
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.B lsh-keygen
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.RI [ options ]
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.SH DESCRIPTION
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This manual page documents briefly the
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.B lsh-keygen
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command.
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This manual page was written for the Debian distribution
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because the original program does not have a manual page.
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Instead, it has documentation in the GNU Info format; see below.
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.PP
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.\" TeX users may be more comfortable with the \fB<whatever>\fP and
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.\" \fI<whatever>\fP escape sequences to invode bold face and italics,
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.\" respectively.
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\fBlsh-keygen\fP is a program that generates a public / private key pair in
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\fBSPKI(5)\fP format and writes it to stdout. Usually you will pipe this
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output to \fBlsh-writekey(1)\fP to write it to disk.
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.SH OPTIONS
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This program follows the usual GNU command line syntax, with long
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options starting with two dashes (`-').
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A summary of options is included below.
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For a complete description, see the Info files.
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.TP
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.B \-f, \-\-output\-format=\fIformat\fP
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The output SPKI format to use. Valid values of \fIformat\fP are "transport",
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"canonical", "advanced" and "international". The default format is "transport".
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See also \fBSPKI(5)\fP.
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.TP
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.B \-l, \-\-nist\-level=\fIsecurity\-level\fP
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For DSA keys, this is the NIST security level: level 0 uses 512-bit primes,
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level 8 uses 1024 bit primes, and the default is 8. For RSA keys, it's the bit
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length of the modulus, and the default is 2048 bits.
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.TP
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.B \-a, \-\-algorithm=\fIalgorithm\fP
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The public / private key algorithm to use. This can be either "RSA" or "DSA".
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The default is to generate DSA keys.
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.TP
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.B \-\-server
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Use the server random seed file
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.TP
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.B \-\-debug
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Print huge amounts of debug information.
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.TP
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.B \-\-log\-file=\fIfile\fP
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Append messages to \fIfile\fP.
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.TP
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.B \-q, \-\-quiet
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Suppress all warnings and diagnostic messages.
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.TP
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.B \-\-trace
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Print a detailed program trace.
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.TP
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.B \-v, \-\-verbose
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Print verbose diagnostic messages
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.TP
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.B \-?, \-\-help
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Show summary of options.
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.TP
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.B \-\-usage
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Show a short usage message.
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.TP
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.B \-V, \-\-version
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Show version of program.
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.SH EXAMPLE
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A typical usage of lsh-keygen is:
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lsh-keygen -l 8 | lsh-writekey
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Which generates a public / private key pair and stores it using
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\fBlsh-writekey(1)\fP.
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.SH BUGS
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lsh-writekey should use \fBrandom(4)\fP rather than a less strong source of
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randomness like \fBurandom(4)\fP where available.
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.SH SEE ALSO
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.BR lsh-writekey (1),
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.BR lsh-make-seed (1),
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.BR lshc (1),
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.BR lshd (8),
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.BR DSA (5),
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.BR SPKI (5).
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.BR
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The programs are documented fully by
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.IR "Lsh" ,
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available via the Info system.
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.SH AUTHOR
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This manual page was written by Timshel Knoll <timshel@debian.org>,
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for the Debian GNU/Linux system (but may be used by others).