Built something? We create video reels & spotlights for GitHub projects.Promote your project →
>GitHubRepo
Promote your project
Catalog / jporras66 / cardgui
Public GitHub Catalog Discovered Oct 1, 2026

jporras66 / cardgui

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

View repository on GitHub ↗ View creator profile Browse directory

About this discovery

Public repository record indexed from GitHub. Explore verified star velocity metrics, source code repositories, and curated developer tool directories across the GitHubRepo ecosystem.

#22467636GitHub System ID
jporras66Organization / User
PublicVisibility
ActiveCatalog Status

More from jporras66

FOR MAINTAINERS

Built something? Put it in front of millions of developers.

We make a short reel about your project and post it across YouTube, Instagram, Threads, and X. Send a link, we do the rest.

Promote your project
SPONSORED Sponsored Partner