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download PDF document: openssl-passwd.1.pdf

OPENSSL-PASSWD(1ossl) OpenSSL OPENSSL-PASSWD(1ossl)

NAME openssl-passwd - compute password hashes
SYNOPSIS openssl passwd [-help] [-1] [-apr1] [-aixmd5] [-5] [-6] [-salt string] [-in file] [-stdin] [-noverify] [-quiet] [-table] [-reverse] [-rand files] [-writerand file] [-provider name] [-provider-path path] [-propquery propq] [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.
OPTIONS -help Print out a usage message.
-1 Use the MD5 based BSD password algorithm 1 (default).
-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.

EXAMPLES % 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/
HISTORY The -crypt option was removed in OpenSSL 3.0.
COPYRIGHT Copyright 2000-2021 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>.
3.0.11 2023-09-22 OPENSSL-PASSWD(1ossl)