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 security toolbox for engineers and researchers

Steganography software for encrypting text into image

(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