Official CrypTool 2 (CT2) repository. CT2 is an open-source software for learning about cryptography and cryptanalysis interactively. CT2 provides a comprehensive suite of tools to deeply explore algorithms and protocols, making it perfect for both academic study and personal exploration. It also includes features for analyzing historical ciphers.

DES、AES、Present、Extended Euclidean Algorithm、Miller-Rabin（ 常用密码学算法）推荐书籍《现代密码学趣味之旅》---彭长根

Windows Encrypt/Decrypt using AES 256 bit keys

Pollard Rho Kangaroo Elliptic Curve Discrete Logarithm Problem (ECDLP).

Pollard Rho attack on ECDLP with GMP

Implementations of some well known ciphers and algorithms in C# and Java

python program that implements divide and conquer approach, or Pohlig-Hellman approach, to solving discrete log problems

Houses assignment submissions made in the course CS641 "Modern Cryptology" at IIT-K in 2022-23 II Sem.

Cryptology exercices from Matasano Challenges: https://cryptopals.com

Home of CryptaPath and PathFinder: Tools for algebraic cryptanalysis using CRHS (BDDs).

Blackfeather Framework

使用MMRC算法优化的RSA，RSA共模攻击，以及已知e, d, n，分解n问题

build SM9 using RELIC

Cryptologie algorithms implemented as part of a cryptologie course I followed in engineering school

Voidcrypyt is a Base64 text encryptor-decryptor.

Blackfeather in JavaScript / Node

Implementations of the real AES cipher and my Text-Based AES cipher in C#

.NET Core C# implementation of a padding oracle attack against AES CBC (PKCS7, ANSI X.923)

This project presents a Visual Studio solution including a simple demo WCF Authentication Service Application and a “Tester” Client (Windows Form Application) that allows the user to test the user registration, login, logout, and service operations. In addition to demonstrating standard authentication capabilities, the WCF service implements a c…

Symmetric encryption and decryption in Ruby with OpenSSL