# jporras66/cardgui

> Cryptography for VISA/MASTERCAD card (and others). PIN (PVV/IBM OFFSET), CVV, CVV2, ICVV, PINBLOCK (clear or encrypted)

- **Canonical URL**: https://githubrepo.cloud/repo/jporras66/cardgui
- **GitHub Repository**: https://github.com/jporras66/cardgui
- **Maintainer / Creator**: https://github.com/jporras66
- **Discovered On**: Oct 1, 2026

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