SkillsAdd

smithery/pluginagentmarketplace

cryptography

Cryptographic algorithms, protocols, and implementations for secure data protection

Installation

$ npx skills add smithery/pluginagentmarketplace --skill cryptography
View on skills.sh ↗ Website ↗

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 7,278 B
  • docs SUMMARY.md 103 B

History

  1. First recorded snapshot · 0 installs

SKILL.md

Cryptography Skill

Purpose: Secure encryption, hashing, and key management.

Operations Overview

Operation Input Output
recommend_algorithm use_case, level primary, alternatives
analyze_implementation code, language vulns, recommendations
validate_parameters algo, key, mode is_secure, issues
generatekeyspec algo, purpose spec, rotation
analyze_protocol protocol, version security, hardening

Algorithm Reference

Level Symmetric Asymmetric Hash
128-bit AES-128 RSA-3072, P-256 SHA-256
192-bit AES-192 RSA-7680, P-384 SHA-384
256-bit AES-256 RSA-15360, P-521 SHA-512

Use Case Recommendations

Use Case Recommended Avoid
Encrypt at rest AES-256-GCM ECB
Password Argon2id MD5, SHA-1
Signing Ed25519 RSA-1024
Key exchange X25519 DH<2048

Troubleshooting

Crypto Issue
    │
    ├─► E_DEPRECATED_ALGORITHM → Migrate to modern
    ├─► E_KEY_SIZE_INSUFFICIENT → Increase key size
    └─► E_INSECURE_MODE → Use GCM or Poly1305

Version History

Version Date Changes
2.0.0 2025-01-01 Production-grade with PQC
1.0.0 2024-12-29 Initial release