feistel-network

A Rust library for iterating over random permutations.

A collection of notes on mathematical Cryptography, ranging from classical methods through contemporary.

Reference source code for ZUGZWANG block cipher (concrete instance/encryption)

Scripts created with AI assistance from white papers and publications and personal investigation

A family of block ciphers built from HChaCha20 for use in the PACT/comPACT and SC transforms for AEAD commitment.

Proof-of-concept for chaotic oscillatory neural network cryptography with associative memory

Symmetrical feistel block cipher

Учебно-исследовательский блочный шифр: блок 96 бит, ключ 256 бит, сеть Фейстеля, ARX. Реализации на Python и C, 8 тестовых наборов, 9 скриптов криптоанализа. Независимо не проверялся — не для реальных данных.

Web app that implements the Richelieu cipher and the Feistel network for encrypting text data. A project for studying frontend using a ready-made component kit. Lab work on Program and Data Security (Oct 2024, 7th semester of university).

Сalculation of cryptographic characteristics for a cipher based on a generalized feistel network

A POC of text encryption using Feistel Network

Reference implementation of a Feistel cipher in C for educational and cryptographic study.

Implementation of Blowfish encryption algorithm (effectively a basic feistel netowrk)

Experimental 128-bit block cipher with a 256-bit key and 14 rounds, exploring deterministic key-derived architectures, topology, nonlinear transformations, and reversible coupling. Researchers and independent analysts are explicitly encouraged to analyze and attempt to break the construction.

https://crypto-night-3sz4.vercel.app/

Feistel network implementation with EBC, CBC, OFB modes.

A pure-Python, educational implementation of a 128-bit symmetric block cipher based on the Feistel Network architecture. Features mathematically derived S-boxes, CBC/CTR modes, and robust Type hinting.

Basic file encryption and decryption system using a simplified Feistel network

Data Encryption Standard algorithm: implementation in C.