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135 .TH PASSWD 1 "2009-04-11" "0.9.8k" "OpenSSL"
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141 passwd \- compute password hashes
143 .IX Header "SYNOPSIS"
144 \&\fBopenssl passwd\fR
148 [\fB\-salt\fR \fIstring\fR]
149 [\fB\-in\fR \fIfile\fR]
156 .IX Header "DESCRIPTION"
157 The \fBpasswd\fR command computes the hash of a password typed at
158 run-time or the hash of each password in a list. The password list is
159 taken from the named file for option \fB\-in file\fR, from stdin for
160 option \fB\-stdin\fR, or from the command line, or from the terminal otherwise.
161 The Unix standard algorithm \fBcrypt\fR and the MD5\-based \s-1BSD\s0 password
162 algorithm \fB1\fR and its Apache variant \fBapr1\fR are available.
165 .IP "\fB\-crypt\fR" 4
167 Use the \fBcrypt\fR algorithm (default).
170 Use the \s-1MD5\s0 based \s-1BSD\s0 password algorithm \fB1\fR.
173 Use the \fBapr1\fR algorithm (Apache variant of the \s-1BSD\s0 algorithm).
174 .IP "\fB\-salt\fR \fIstring\fR" 4
175 .IX Item "-salt string"
176 Use the specified salt.
177 When reading a password from the terminal, this implies \fB\-noverify\fR.
178 .IP "\fB\-in\fR \fIfile\fR" 4
180 Read passwords from \fIfile\fR.
181 .IP "\fB\-stdin\fR" 4
183 Read passwords from \fBstdin\fR.
184 .IP "\fB\-noverify\fR" 4
186 Don't verify when reading a password from the terminal.
187 .IP "\fB\-quiet\fR" 4
189 Don't output warnings when passwords given at the command line are truncated.
190 .IP "\fB\-table\fR" 4
192 In the output list, prepend the cleartext password and a \s-1TAB\s0 character
193 to each password hash.
195 .IX Header "EXAMPLES"
196 \&\fBopenssl passwd \-crypt \-salt xx password\fR prints \fBxxj31ZMTZzkVA\fR.
198 \&\fBopenssl passwd \-1 \-salt xxxxxxxx password\fR prints \fB\f(CB$1\fB$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.\fR.
200 \&\fBopenssl passwd \-apr1 \-salt xxxxxxxx password\fR prints \fB\f(CB$apr1\fB$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0\fR.