GOST cryptographic functions

An Automatic Tool to Search for Full Impossible-Differential, Zero-Correlation and Integral Attacks

Python Implementation of Hasty Pudding Cipher (HPC)

TwoFish implementation in python with vector tests.

This repo is a collection of proof-of-concepts, examples, essays and experiments in cryptography, cryptanalysis, steganography and covert channels that I originally wrote in 2015.

PRESENT is a lightweight block cipher.

A Python implementation of the GOST symmetric block cipher.

Checking Avalanche effect in blowfish algorithm using pycrypto implementation

Symmetrical feistel block cipher

Python AES

Affine & Block cypher implementation in Python

Block cipher mode of operation

Educational notebooks implementing substitution (Caesar/Monoalphabetic/Vigenère), block (DES/AES, ECB/CBC), and stream (LFSR, XOR) ciphers.

Pure implication of RC6 cipher with GUI on Qt

My Cryptography course project. An implementation of a block cipher algorithm and a hash function.

ITUbee: A Software Oriented Lightweight Block Cipher (Python3 implementation)

File encryption with GOST2-128 in CBC and GCM mode (Python language)

[French] Projet de Chiffrement-Déchiffrement RSA et Affine [English] RSA and Affine Encryption-Decryption Project

This is implementation of different block-cipher-mode algorithms