![]() The version covered on this page is Mifare Classic, which has a very bad history of being hacked, cracked and broken… Mifare Classic Protection here has to be applied on application layer and has to cover the risk of cloning the card. As such their read protection is just as good as the protection of a printed piece of paper. They don’t have any means of protection / encryption except for the optional write protection. Access control bits managing which parts of the user data may be written / changed.Each card has a 512-bit EEPROM which contains: ![]() The most simple version is Mifare Ultralight, which is often use in contactless room keys in hotels or for short time use tickets in public transport. If you’ve ever had an access card for hotel rooms, a contactless payment card for a canteen or even a modern bus ticket in your hand, you will have used one of the Mifare flavours. Mifare is a brand of chips for contactless smart cards made by NXP. ![]()
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