1 .\" $NetBSD: libcrypto.pl,v 1.3 2007/11/27 22:16:03 christos Exp $
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137 .TH PASSWD 1 "2002-10-04" "1.1.0-dev" "OpenSSL"
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143 passwd \- compute password hashes
147 .IX Header "SYNOPSIS"
148 \&\fBopenssl passwd\fR
152 [\fB\-salt\fR \fIstring\fR]
153 [\fB\-in\fR \fIfile\fR]
160 .IX Header "DESCRIPTION"
161 The \fBpasswd\fR command computes the hash of a password typed at
162 run-time or the hash of each password in a list. The password list is
163 taken from the named file for option \fB\-in file\fR, from stdin for
164 option \fB\-stdin\fR, or from the command line, or from the terminal otherwise.
165 The Unix standard algorithm \fBcrypt\fR and the MD5\-based \s-1BSD\s0 password
166 algorithm \fB1\fR and its Apache variant \fBapr1\fR are available.
169 .IP "\fB\-crypt\fR" 4
171 Use the \fBcrypt\fR algorithm (default).
174 Use the \s-1MD5\s0 based \s-1BSD\s0 password algorithm \fB1\fR.
177 Use the \fBapr1\fR algorithm (Apache variant of the \s-1BSD\s0 algorithm).
178 .IP "\fB\-salt\fR \fIstring\fR" 4
179 .IX Item "-salt string"
180 Use the specified salt.
181 When reading a password from the terminal, this implies \fB\-noverify\fR.
182 .IP "\fB\-in\fR \fIfile\fR" 4
184 Read passwords from \fIfile\fR.
185 .IP "\fB\-stdin\fR" 4
187 Read passwords from \fBstdin\fR.
188 .IP "\fB\-noverify\fR" 4
190 Don't verify when reading a password from the terminal.
191 .IP "\fB\-quiet\fR" 4
193 Don't output warnings when passwords given at the command line are truncated.
194 .IP "\fB\-table\fR" 4
196 In the output list, prepend the cleartext password and a \s-1TAB\s0 character
197 to each password hash.
199 .IX Header "EXAMPLES"
200 \&\fBopenssl passwd \-crypt \-salt xx password\fR prints \fBxxj31ZMTZzkVA\fR.
202 \&\fBopenssl passwd \-1 \-salt xxxxxxxx password\fR prints \fB\f(CB$1\fB$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.\fR.
204 \&\fBopenssl passwd \-apr1 \-salt xxxxxxxx password\fR prints \fB\f(CB$apr1\fB$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0\fR.