AES CLI

An example of how one might encrypt/decrypt files using node.

Code for this companion article: Encrypting Files With Node.

❗ Important

This code is adapted from the original. The original repo can be found here: https://github.com/bbstilson/node-encryption

Changelog

Added

• Add Node bin and Shebang to use as CLI tool. - F1LT3R
• Add linting inputs and vscode settings. - F1LT3R
• Add password, and password verification input. - F1LT3R

Changes

• Use scrypt with salt instead of SHA256 hash.
• Changed algorithm to AES-256-GCM.
• Prompt is muted without rewrite.
• Do not allow blank password.

Installation

npm install

Usage

Encryption

1. From your shell: aes encrypt test.txt
2. You will be prompted for a password, and password verification.
3. You will now see test.txt.enc. This is the encrypted data.
4. You can delete the original file, if you like.

Decryption

1. From your shell: aes decrypt test.txt
2. You will be prompted for a password, and password verification.
3. You will now see test-decrypt.txt. This file will be identical to the original.
4. You can rename this file back to test.txt.