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Man Pages


Manual Reference Pages  -  PASSWD (1)

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NAME

passwd - compute password hashes

CONTENTS

SYNOPSIS

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

DESCRIPTION

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.

OPTIONS

-crypt Use the crypt algorithm (default).
-1 Use the MD5 based BSD password algorithm 1.
-apr1 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.
-stdin Read passwords from stdin.
-noverify Don’t verify when reading a password from the terminal.
-quiet Don’t output warnings when passwords given at the command line are truncated.
-table In the output list, prepend the cleartext password and a TAB character to each password hash.

EXAMPLES

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.

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1.0.1s PASSWD (1) 2016-03-01

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