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.\" ========================================================================
.\"
.IX Title "HMACKEYS 1"
.TH HMACKEYS 1 "2016-07-07" "perl v5.24.1" "BP executables"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
hmackeys \- utility program for generating good HMAC\-SHA1 keys
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBhmackeys\fR [ \fIkeynames_filename\fR ]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBhmackeys\fR writes files containing randomized 160\-bit key values suitable
for use by \s-1HMAC\-SHA1\s0 in support of Bundle Authentication Block processing,
Bundle Relay Service connections, or other functions for which symmetric
hash computation is applicable.  One file is written for each key name
presented to \fIhmackeys\fR; the content of each file is 20 consecutive randomly
selected 8\-bit integer values, and the name given to each file is simply
"\fIkeyname\fR.hmk".
.PP
\&\fBhmackeys\fR operates in response to the key names found in the file
\&\fIkeynames_filename\fR, one name per file text line, if provided; if not,
\&\fBhmackeys\fR prints a simple prompt (:) so that the user may type key names
directly into standard input.
.PP
When the program is run in interactive mode, either enter 'q' or press ^C to
terminate.
.SH "EXIT STATUS"
.IX Header "EXIT STATUS"
.ie n .IP """0"" Completion of key generation." 4
.el .IP "``0'' Completion of key generation." 4
.IX Item "0 Completion of key generation."
.SH "EXAMPLES"
.IX Header "EXAMPLES"
.PD 0
.IP "hmackeys" 4
.IX Item "hmackeys"
.PD
Enter interactive \s-1HMAC/SHA1\s0 key generation mode.
.IP "hmackeys host1.keynames" 4
.IX Item "hmackeys host1.keynames"
Create a key file for each key name in \fIhost1.keynames\fR, then terminate
immediately.
.SH "FILES"
.IX Header "FILES"
No other files are used in the operation of \fIhmackeys\fR.
.SH "ENVIRONMENT"
.IX Header "ENVIRONMENT"
No environment variables apply.
.SH "DIAGNOSTICS"
.IX Header "DIAGNOSTICS"
The following diagnostics may be issued to the logfile ion.log:
.IP "Can't open keynames file..." 4
.IX Item "Can't open keynames file..."
The \fIkeynames_filename\fR specified in the command line doesn't exist.
.SH "BUGS"
.IX Header "BUGS"
Report bugs to <ion\-bugs@korgano.eecs.ohiou.edu>
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIbrsscla\fR\|(1), \fIionsecadmin\fR\|(1)