NAME

passwd − Compute password hashes

SYNOPSIS

openssl passwd [−crypt] [−1] [−apr1] [−salt string] [−in file] [−stdin] [−quiet] [−table] [password]

OPTIONS

−cryptUses the crypt algorithm (default). 

−1Uses the MD5 based BSD password algorithm 1. 

−apr1Uses the apr1 algorithm (Apache variant of the BSD algorithm). 

−salt string
Uses the specified salt.

−in fileReads passwords from file. 

−stdinReads passwords from stdin. 

−quietDoes not output warnings when passwords given at the command line are truncated. 

−tablePrepends the cleartext password and a TAB character to each password hash in the output list. 

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 −infile, from stdin for option −stdin, and from the command line. The UNIX standard algorithm crypt and the MD5-based BSD password algorithm 1 and its Apache variant apr1 are available. 

EXAMPLES

openssl passwd -crypt -salt xx password
Prints xxj31ZMTZzkVA. 

openssl passwd -1 -salt xxxxxxxx password
Prints $1$xxxxxxxx$8XJIcl6ZXqBMCK0qFevqT1. 

openssl passwd -apr1 -salt xxxxxxxx password
Prints $apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0.