feal-differential-cryptanalysis

Community

Break FEAL ciphers with differential cryptanalysis.

AuthorZurybr
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill provides a structured approach to breaking FEAL and similar Feistel ciphers by implementing advanced differential cryptanalysis techniques, moving beyond generic statistical methods.

Core Features & Use Cases

  • Differential Characteristic Construction: Guides the creation of precise differential paths for FEAL.
  • Key Recovery: Details the process of recovering cipher keys using high-probability differentials.
  • Verification Strategies: Offers methods to ensure the attack's correctness and diagnose failures.
  • Use Case: When tasked with analyzing the security of a system using FEAL encryption, this Skill provides the exact methodology to perform a differential cryptanalysis attack and potentially recover the encryption key.

Quick Start

Use the feal-differential-cryptanalysis skill to implement a differential cryptanalysis attack on FEAL.

Dependency Matrix

Required Modules

None required

Components

references

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: feal-differential-cryptanalysis
Download link: https://github.com/Zurybr/lefarma-skills/archive/main.zip#feal-differential-cryptanalysis

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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