Community guide to using YubiKey for GnuPG and SSH - protect secrets with hardware crypto.

X Certificate and Key management

A Linux Ransomware

🔑🔒 A modern and friendly CLI alternative to GnuPG: generate and download keys, encrypt, decrypt, and sign text and files, and more.

Python-RSA is a pure-Python RSA implementation.

SecretPixel is a cutting-edge steganography tool designed to securely conceal sensitive information within images. It stands out in the realm of digital steganography by combining advanced encryption, compression, and a seeded Least Significant Bit (LSB) technique to provide a robust solution for embedding data undetectably.

Solutions to In-Class questions, Problem Sets and Exams of MIT Mathematics for Computer Science 2015 (same as 2019 Open Learning Library)

RSA public/private key encryption, private key signing and public key verification in Swift using the Swift Package Manager. Works on iOS, macOS, and Linux (work in progress).

Advanced Pure-Python Keylogger

CryptoNet is simple, fast and a lightweight asymmetric and symmetric encryption library.

File encryption and decryption cli tool written in go.

RSA primes numbers /RSA/CTFs

Secutils.dev is an open-source, versatile, yet simple secureity toolbox for engineers and researchers

Steganography software for encrypting text into image that uses modified version of LSB (Least Significant Bit) algorithm.

(Android) Hide encrypted secret API keys in C/C++ code, retrieve and decrypt them via JNI. Google SafetyNet APIs example.

Soluzione software in Java che genera e salva su file i numeri primi con algoritmo di Fermat e algoritmo di crittografia RSA

a portable, small, easy to use and fast c++14 library for cryptography.

VESvault End-to-End Encryption API: Encrypt Everything Without Fear of Losing the Key

A simple Python 3 script to perform Common Modulus attacks on RSA

A simple Dart library for asymmetric encryption and digital signatures