OpenSSL.vip

Cryptography and SSL/TLS Toolkit

NAME

openssl-passwd - compute password hashes

SYNOPSIS

openssl passwd [-help] [-crypt] [-1] [-apr1] [-aixmd5] [-5] [-6] [-salt string] [-in file] [-stdin] [-noverify] [-quiet] [-table] [-reverse] [-rand files] [-writerand file] [-provider name] [-provider_path path] [password]

DESCRIPTION

This 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, 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, its Apache variant -apr1, and its AIX variant are available.

OPTIONS

-help

Print out a usage message.

-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).

-aixmd5

Use the AIX MD5 algorithm (AIX variant of the BSD algorithm).

-5
-6

Use the SHA256 / SHA512 based algorithms defined by Ulrich Drepper. See https://www.akkadia.org/drepper/SHA-crypt.txt.

-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.

-reverse

When the -table option is used, reverse the order of cleartext and hash.

-rand files, -writerand file

See -provider name

-provider_path path

See EXAMPLES 

  % openssl passwd -crypt -salt xx password
  xxj31ZMTZzkVA

  % openssl passwd -1 -salt xxxxxxxx password
  $1$xxxxxxxx$UYCIxa628.9qXjpQCjM4a.

  % openssl passwd -apr1 -salt xxxxxxxx password
  $apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0

  % openssl passwd -aixmd5 -salt xxxxxxxx password
  xxxxxxxx$8Oaipk/GPKhC64w/YVeFD/

COPYRIGHT

Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the Apache License 2.0 (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 https://www.openssl.org/source/license.html.

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