10-16-2019
The password of users are stored as a cryptographic hash. Hence you cannot get the length of a users's password from the stored hash.
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Never expired for root password
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LEARN ABOUT CENTOS
mokutil
MOKUTIL(1) General Commands Manual MOKUTIL(1)
NAME
mokutil - utility to manipulate machine owner keys
SYNOPSIS
mokutil [--list-enrolled]
mokutil [--list-new]
mokutil [--list-delete]
mokutil [--import keylist| -i keylist]
([--hash-file hashfile | -f hashfile] | [--root-pw | -P] |
[--simple-hash | -s])
mokutil [--delete keylist | -d keylist]
([--hash-file hashfile | -f hashfile] | [--root-pw | -P] |
[--simple-hash | -s])
mokutil [--revoke-import]
mokutil [--revoke-delete]
mokutil [--export | -x]
mokutil [--password | -p]
([--hash-file hashfile | -f hashfile] | [--root-pw | -P] |
[--simple-hash | -s])
mokutil [--clear-password | -c]
([--simple-hash | -s])
mokutil [--disable-validation]
mokutil [--enable-validation]
mokutil [--sb-state]
mokutil [--test-key | -t] ...
mokutil [--reset]
([--hash-file hashfile | -f hashfile] | [--root-pw | -P] |
[--simple-hash | -s])
mokutil [--generate-hash=password | -gpassword]
DESCRIPTION
mokutil is a tool to import or delete the machines owner keys (MOK) stored in the database of shim.
OPTIONS
--list-enrolled
List the keys the already stored in the database
--list-new
List the keys to be enrolled
--list-delete
List the keys to be deleted
--import
Collect the followed files and form a request to shim. The files must be in DER format.
--revoke-import
Revoke the current import request (MokNew)
--revoke-delete
Revoke the current delete request (MokDel)
--export
Export the keys stored in MokListRT
--password
Setup the password for MokManager (MokPW)
--clear-password
Clear the password for MokManager (MokPW)
--disable-validation
Disable the validation process in shim
--enrolled-validation
Enable the validation process in shim
--sb-state
Show SecureBoot State
--test-key
Test if the key is enrolled or not
--reset
Reset MOK list
--generate-hash
Generate the password hash
--hash-file
Use the password hash from a specific file
--root-pw
Use the root password hash from /etc/shadow
--simple-hash
Use the old SHA256 password hash method to hash the password
Note: --root-pw invalidates --simple-hash
Thu Jul 25 2013 MOKUTIL(1)