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Encrypt the password using the grub-crypt command of linux

2025-04-02 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >

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Xiaobian to share with you the use of linux grub-crypt command password encryption, I hope you read this article after the harvest, let us discuss it together!

The purpose of the grub-crypt command is to encrypt passwords. The grub-crypt command supports MD5 and SHA encryption of passwords, and SHA-512 encryption of passwords by default.

SHA is the abbreviation of Secure Hash Algorithm, Chinese for secure hash algorithm, is a series of cryptographic hash functions designed by the National Security Agency of the United States and published by the National Institute of Standards and Technology of the United States. As SHA-1 has become less secure, SHA-2 versions have become mainstream.

Syntax format: grub-crypt [parameter]

Common parameters:

Reference Example

Encrypt passwords using default mode:

[root@linuxcool ~]# grub-crypt Password: Retype password: 5476c925d9944226ce156be12bf3ce38889d141194c55794e6017c2e8e60d600fa01d19d6b371fa1921d0036dddc8708bc36d64dd9fc0350b839b8121a889ff2

Encrypt passwords using MD5:

[root@linuxcool ~]# grub-crypt --md5Password:Retype password: aa422445d1ae1263fe3ad6f508e4c53b

Encrypt passwords using SHA-256:

[root@linuxcool ~]# grub-crypt --sha-256Password:Retype password:2b222ddcb1abfdd10ae57a759bf34a0e872220cf17ded40b82a42b321fcb585e After reading this article, I believe you have a certain understanding of password encryption using linux grub-crypt command. If you want to know more about it, please pay attention to the industry information channel. Thank you for reading!

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