To get back your original .tar.gz :
: Simply deleting unencrypted source files with rm leaves remnants on mechanical hard drives. Use shred or a secure erase utility if dealing with highly sensitive data.
How to Password Protect a tar.gz File: A Step-by-Step Guide The standard tar utility on Linux and Unix-like systems bundles multiple files into a single archive, and gzip compresses it to save space. However, neither format provides native encryption or password protection. To secure your data, you must combine tar with an external encryption tool. password protect tar.gz file
This guide covers the best, most secure methods to password protect your tar.gz files across Linux, macOS, and Windows. Method 1: Encrypt with GnuPG (OpenPGP Standard)
openssl enc -d -aes-256-cbc -in myfiles.tar.gz.enc -out myfiles_decrypted.tar.gz To get back your original
You will be asked to enter and confirm your password in the terminal.
tar -czf - directory/ | gpg -c -o encrypted.tar.gz Method 1: Encrypt with GnuPG (OpenPGP Standard) openssl
If you prefer a more robust encryption standard often used for emails and signing, is the gold standard. To Encrypt:
Alternatively, skip tar.gz entirely and use .7z —it compresses better and supports native encryption.
To reverse the process and access your data: