weak-encryption-anti-pattern

Identifies weak encryption algorithms, insecure modes, and improper nonce/IV usage in code.

8|1|Updated Jan 19, 2026
One-click install
npx skills add https://github.com/igbuend/grimbard --skill weak-encryption-anti-pattern
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: weak-encryption-anti-pattern
Source: https://github.com/igbuend/grimbard/tree/main/skills/weak-encryption-anti-pattern
Command: npx skills add https://github.com/igbuend/grimbard --skill weak-encryption-anti-pattern

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps identify and prevent the use of outdated or insecure encryption methods, protecting sensitive data from breaches and ensuring compliance.

Core Features & Use Cases

  • Detects Weak Algorithms: Flags the use of algorithms like DES, 3DES, and RC4.
  • Identifies Insecure Modes: Catches the misuse of modes like ECB.
  • Inspects IV/Nonce Management: Checks for proper generation and usage of Initialization Vectors and Nonces.
  • Use Case: Reviewing a codebase that handles user credentials or financial data to ensure robust encryption practices are in place, preventing potential data leaks.

Quick Start

Review this code for any weak encryption anti-patterns.

Frequently Asked Questions about weak-encryption-anti-pattern

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I check my code for weak encryption algorithms like DES or RC4?

To check for weak encryption algorithms like DES or RC4, review your codebase for outdated cryptographic implementations. This process flags insecure algorithms and enforces modern, authenticated encryption standards such as AES-GCM to protect sensitive data.

What are common insecure encryption modes and IV management anti-patterns?

Common insecure encryption modes and IV management anti-patterns include using ECB mode and improperly generating Initialization Vectors or Nonces. Identifying these risks during security audits helps mitigate improper nonce management and enforces secure cryptographic operations.

How do I review a codebase for proper encryption practices and compliance?

To review a codebase for proper encryption practices and compliance, audit code handling user credentials or financial data. This identifies security risks from outdated encryption methods, prevents potential data leaks, and ensures robust protection by enforcing modern standards like AES-GCM.

Can I use this to ensure my data protection uses authenticated encryption?

Yes, you can use this to ensure your data protection uses authenticated encryption. It inspects code for weak algorithms and insecure modes, enforcing modern, authenticated encryption standards like AES-GCM to secure sensitive user credentials and financial data.

When do I need to inspect Initialization Vectors and Nonces in my cryptography code?

You need to inspect Initialization Vectors and Nonces in your cryptography code during security audits and code reviews. Proper IV and nonce management is crucial to prevent security risks and ensure compliance when handling sensitive data with modern encryption standards.