1 .\" $NetBSD: openssl_passwd.1,v 1.14 2015/06/12 17:01:15 christos Exp $
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138 .TH PASSWD 1 "2009-07-19" "1.0.1n" "OpenSSL"
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144 passwd \- compute password hashes
148 .IX Header "SYNOPSIS"
149 \&\fBopenssl passwd\fR
153 [\fB\-salt\fR \fIstring\fR]
154 [\fB\-in\fR \fIfile\fR]
161 .IX Header "DESCRIPTION"
162 The \fBpasswd\fR command computes the hash of a password typed at
163 run-time or the hash of each password in a list. The password list is
164 taken from the named file for option \fB\-in file\fR, from stdin for
165 option \fB\-stdin\fR, or from the command line, or from the terminal otherwise.
166 The Unix standard algorithm \fBcrypt\fR and the MD5\-based \s-1BSD\s0 password
167 algorithm \fB1\fR and its Apache variant \fBapr1\fR are available.
170 .IP "\fB\-crypt\fR" 4
172 Use the \fBcrypt\fR algorithm (default).
175 Use the \s-1MD5\s0 based \s-1BSD\s0 password algorithm \fB1\fR.
178 Use the \fBapr1\fR algorithm (Apache variant of the \s-1BSD\s0 algorithm).
179 .IP "\fB\-salt\fR \fIstring\fR" 4
180 .IX Item "-salt string"
181 Use the specified salt.
182 When reading a password from the terminal, this implies \fB\-noverify\fR.
183 .IP "\fB\-in\fR \fIfile\fR" 4
185 Read passwords from \fIfile\fR.
186 .IP "\fB\-stdin\fR" 4
188 Read passwords from \fBstdin\fR.
189 .IP "\fB\-noverify\fR" 4
191 Don't verify when reading a password from the terminal.
192 .IP "\fB\-quiet\fR" 4
194 Don't output warnings when passwords given at the command line are truncated.
195 .IP "\fB\-table\fR" 4
197 In the output list, prepend the cleartext password and a \s-1TAB\s0 character
198 to each password hash.
200 .IX Header "EXAMPLES"
201 \&\fBopenssl passwd \-crypt \-salt xx password\fR prints \fBxxj31ZMTZzkVA\fR.
203 \&\fBopenssl passwd \-1 \-salt xxxxxxxx password\fR prints \fB\f(CB$1\fB$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.\fR.
205 \&\fBopenssl passwd \-apr1 \-salt xxxxxxxx password\fR prints \fB\f(CB$apr1\fB$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0\fR.