ahfc

1.2.5 • Public • Published

AHFC - Aarav HyperFortress Cipher 🔐

npm license node

AHFC (Aarav HyperFortress Cipher) is a high-performance, multi-mode file encryption tool written in Node.js. Designed with security, flexibility, and user experience in mind, AHFC supports password-based encryption using Argon2, zlib compression, HMAC verification, and AES-GCM encryption (Beast mode). Perfect for CLI users who demand speed and strength.


Features

  • 🔐 Multiple encryption modes: Lite, Normal, Beast
  • 💥 AES-256-GCM in Beast mode with HMAC-SHA512
  • 🧂 Argon2id key derivation with unique per-file salt
  • 📦 zlib compression before encryption
  • 📊 Live progress bar for large file operations
  • 🧠 Secure password input with character masking
  • 🧪 HMAC integrity check to detect tampering
  • 🖥️ Beautiful, intuitive CLI interface
  • ✅ Cross-platform (Windows, Linux, macOS)

Installation

npm install -g ahfc

CLI-Based Usage

Encrypt a File

ahfc encrypt <input-file> <output-file> [--lite|--normal|--beast]

Examples:

ahfc encrypt secret.txt secret.enc --normal
ahfc encrypt bigfile.zip archive.aes --beast

If no mode is specified, it defaults to --normal.

Decrypt a File

ahfc decrypt <input-file> <output-file>

Example:

ahfc decrypt secret.enc secret.txt

Module Usage (Programmatic API)

Please see MODULE_USAGE.md for detailed information.


Modes Explained

Mode Rounds Min Password Length Description
Lite 10 4 Fast, lightweight encryption
Normal 64 16 Balanced security & speed
Beast 128 24 AES-GCM, HMAC-SHA512, secure

Security Notes

  • Always use strong, unique passwords, especially for Normal and Beast modes.
  • Files are encrypted with a new salt and IV each time for maximum randomness.
  • HMAC is used to prevent tampering and verify password correctness.

License

CC BY-NC 4.0 © Aarav Mehta - axrxvm@proton.me Learn More


Contribute

Feel free to open issues or PRs. Suggestions and improvements are welcome!

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Install

npm i ahfc

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Version

1.2.5

License

CC BY-NC 4.0

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Collaborators

  • axrxvm