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openssl-passwd, passwd - compute password hashes


openssl passwd [ -help] [ -crypt] [ -1] [ -apr1] [ -salt string] [ -in file] [ -stdin] [ -noverify] [ -quiet] [ -table] { password}


The passwd command computes the hash of a password typed at run-time or the hash of each password in a list. The password list is taken from the named file for option -in file, from stdin for option -stdin, or from the command line, or from the terminal otherwise. The Unix standard algorithm crypt and the MD5-based BSD password algorithm 1 and its Apache variant apr1 are available.


Print out a usage message.
Use the crypt algorithm (default).
Use the MD5 based BSD password algorithm 1.
Use the apr1 algorithm (Apache variant of the BSD algorithm).
-salt string
Use the specified salt. When reading a password from the terminal, this implies -noverify.
-in file
Read passwords from file.
Read passwords from stdin.
Don't verify when reading a password from the terminal.
Don't output warnings when passwords given at the command line are truncated.
In the output list, prepend the cleartext password and a TAB character to each password hash.


openssl passwd -crypt -salt xx password prints xxj31ZMTZzkVA.
openssl passwd -1 -salt xxxxxxxx password prints $1$xxxxxxxx$UYCIxa628.9qXjpQCjM4a..
openssl passwd -apr1 -salt xxxxxxxx password prints $apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0.


Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <>.
2018-08-14 1.1.0i


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