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You are here: Home » Password Protect gzip Files on Command Line

By Abhishek Ghosh October 10, 2014 7:56 am Updated on October 10, 2014

Password Protect gzip Files on Command Line

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We can password protect gzip Files on command line, like from SSH to remote server with  gpg or openssl, to ensure more security of the file. This is quite important for the backup files, for the files kept in publicly accessible area of the server or executable files not desired to be executed by the other users of the server.

 

Password Protect gzip Files on Command Line : Basics

 

There are two set of operations – usage Tar and compression is a job for tar and gzip or bzip2, cryptography is a job for either gpg or openssl. We can use UNIX Pipe to combine both steps to one step.

Obviously, there will be two sets of commands, one is to password protect (encrypt) and another is to open the files later (decrypt). We can create a bash script to automate the process.

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Password Protect gzip Files on Command Line : Encrypt

 

We can encrypt or rather password protect the gzip files with these commands :

Vim
1
2
tar cz directory_to_encrypt | \
      openssl enc -aes-256-cbc -e > out.tar.gz.enc

If we use gpg :

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gpg --encrypt out.tar.gz

Obviously, the original directory must be deleted recursively. Also, we can use the zip utility :

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zip -e /path/to/file_name.zip <list_of_files>
# -e asks the zip utility to encrypt

Password-Protect-gzip-Files-on-Command-Line

 

Password Protect gzip Files on Command Line : Decrypt

 

The files/directory if protected with the first command, will be quite difficult to open. Here are various ways :

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openssl aes-256-cbc -d -in out.tar.gz.enc -out decrypted.tar.gz

Or :

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openssl enc -aes-256-cbc -e -in foo.tar.gz -out bar.tar.gz.enc

Tagged With gzip with password , gzip password , gzip password protect , gzip encryption , how to set password for gzip , gzip with a password , linux gzip password , gzip encrypt with password , gzip encrypt , email@ gz-fengrun com

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Abhishek Ghosh

About Abhishek Ghosh

Abhishek Ghosh is a Businessman, Surgeon, Author and Blogger. You can keep touch with him on Twitter - @AbhishekCTRL.

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About This Article

Cite this article as: Abhishek Ghosh, "Password Protect gzip Files on Command Line," in The Customize Windows, October 10, 2014, February 4, 2023, https://thecustomizewindows.com/2014/10/password-protect-gzip-files-command-line/.

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