Cryptanalysis Python Packages

xortool

A tool to analyze multi-byte xor cipher

cryptanalysis

Automated cryptanalysis of substitution permutation network cipher

algebraic-immunity

Python package implemeted in Rust to compute the algebraic immunity and restricted algebraic immunity of a Boolean function

autoguess

An easy-to-use, general and open-source tool to solve the guess-and-determine problem

live-casi

CASI structural-analysis toolkit with Nano-CASI IEEE NANO 2026 artifact

o1op

Deterministic code synthesis operator — zero LLM in the loop. 8-color algebraic type system, 7-pass causal inference, 7-layer verification, 9-phase autonomous engagement. Substrate validated across 9 IEEE 2026 papers + IBM z/OS production assessment.

cry

SageMath/Python Toolkit for Cryptanalytic Research

samson-crypto

Cryptanalysis and attack library

mtp

Many-Time Pad Interactive

torch-crypto

Command-line Cryptanalysis

divprop

Division property cryptanalysis tools

batch-gcd

DJB's batch GCD algorithm for fast factoring sequences of integers

lantern

Automated Cryptanalysis

exsc

Implimentation of Extended Substitution Cipher

featherduster

An automated, modular cryptanalysis tool; i.e., a Weapon of Math Destruction

subsets

Tools for cryptanalysis (subsets & transforms)

coinwatch

Coinmarketcap console client to keep track of your crypto currency trades - are you winning or losing?