🔐 GPG Encryption & Decryption Bash Script

This simple yet powerful Bash script allows you to securely encrypt and decrypt files using GPG (GNU Privacy Guard) with a passphrase.

Perfect for cybersecurity beginners, ethical hackers, or privacy-conscious users who want a quick CLI tool to protect sensitive files.

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📜 Features

✅ Encrypt any file with GPG
✅ Decrypt any .gpg encrypted file
✅ User-friendly menu
✅ Minimal and clean Bash scripting
✅ Great for learning encryption basics

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🚀 How to Use

1. 📥 Clone or Copy the Script

Create a new file and paste the script:

touch test.sh
nano test.sh

Paste Code in it ( test.sh )

Make the script executable:

chmod +x test.sh

2. 🔐 Run the Script

./test.sh

Choose one of the options:

1 to encrypt a file using a passphrase.

2 to decrypt a .gpg file using the passphrase.

📦 Example

✅ Encrypt

./test.sh

Encrypt or Decrypt

1. Encrypt File

2. Decrypt File

Enter Choice: 1

Choose File to Encrypt: secrets.txt

➡️ You’ll be prompted for a passphrase. GPG will create secrets.txt.gpg.

🔓 Decrypt

./test.sh

Encrypt or Decrypt

1. Encrypt File

2. Decrypt File

Enter Choice: 2

Choose File to Decrypt (.gpg): secrets.txt.gpg

➡️ Enter the same passphrase to decrypt. The original content will display in the terminal.

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⚠️ Tips & Warnings

Keep your passphrase strong and secret 🔑

Do not delete the original file manually before testing the .gpg file

This script uses symmetric encryption (gpg -c), which is simple and fast