encrypt(1), little utility for encrypting passwords from the command line.

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+.\"	$OpenBSD: encrypt.1,v 1.1 1996/08/08 02:07:22 downsj Exp $
+.\"
+.\" Copyright (c) 1996, Jason Downs.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
+.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+.\" DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
+.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.Dd August 7, 1996
+.Dt ENCRYPT 1
+.Os OpenBSD
+.Sh NAME
+.Nm encrypt
+.Nd encrypt passwords from the command line
+.Sh SYNOPSIS
+.Nm encrypt
+.Op Fl m
+.Op Fl s Ar salt
+.Op Ar string
+.Sh DESCRIPTION
+.Nm encrypt
+prints the encrypted form of
+.Ar string
+to the standard output.  This is mostly useful for encrypting passwords
+from within scripts, such as
+.Xr adduser 8 .
+.Pp
+The following options are supported:
+.Bl -tag -width X
+.It Fl m
+Encrypt the string using MD5.
+.It Fl s Ar salt
+Encrypt the string using DES, with the specified
+.Ar salt .
+.El
+.Pp
+If no
+.Ar string
+is specified,
+.Nm encrypt
+reads one string per line from standard input, encrypting each one with
+the same
+.Ar salt .
+.Sh SEE ALSO
+.Xr adduser 8
+.Sh HISTORY
+.Nm encrypt
+first appeared in OpenBSD 1.2.