# Weak Cryptography Detection

> Detects use of weak or deprecated cryptographic algorithms

- Skill: `zakirkun/weak-cryptography-detection` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add zakirkun/weak-cryptography-detection`
- Raw SKILL.md: https://api.skillmd.com/api/skills/zakirkun/weak-cryptography-detection/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: zakirkun (https://skillmd.com/u/zakirkun)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/zakirkun/weak-cryptography-detection

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# Weak Cryptography Detection

## Overview
Use of weak cryptographic algorithms (MD5, SHA1, DES) can lead to security vulnerabilities. These algorithms are considered broken for security purposes.

## Remediation
Use strong algorithms: SHA-256+, AES-256, bcrypt/scrypt/argon2 for passwords.