Security research. PowerShell cryptography, in the open.
unrelated to https://cygwin.com/. we're not that cool.
cyguin LLC does security research. Current focus is PowerShell cryptography, published in the open:
- PSCryptoPatterns — Advanced OOP and cryptographic programming patterns for PowerShell 7.
- PSCertPatterns — Production cryptographic patterns in PowerShell 7 — AES-GCM, RSA, ECDSA, key rotation, algorithm agility, and certificate chain validation. 254 Pester tests. MIT license.
- PSCMSPatterns — Adversarial CMS signed attribute test harness. RFC 5652 SignedData corpus + .NET 8 verifier.
| Package | Current | Repo | What it does |
|---|---|---|---|
@cyguin/claude-context-gen |
2.0.1 |
cyguin/claude-context-gen |
Interactive CLI that generates CLAUDE.md and AGENTS.md context files so agentic AI workflows start with the right project context. |
| Repo | Notes |
|---|---|
cyguin/marginkit-landing |
Landing page work. |
cyguin/PlugScope |
Product repo. |
cyguin/cronguardian |
Cron monitoring work. |
cyguin/test-pipeline |
Pipeline test repo. |