Mifare Classic is anything but "proper" encryption, with numerous vulnerabilities. https://en.wikipedia.org/wiki/MIFARE#MIFARE_Classic https://en.wikipedia.org

Mifare Classic is anything but "proper" encryption, with numerous vulnerabilities. https://en.wikipedia.org/wiki/MIFARE#MIFARE_Classic https://en.wikipedia.org/wiki/MIFARE#MIFARE_Classic