10/27/2022 0 Comments Cracking mifare ultralight![]() ![]()
#Cracking mifare ultralight serial number#MIFARE Classic vs MIFARE Utralight), I have added some pictures: A more detailed picture explains some more information is included after the serial number on block 0: A more detailed picture of the 7byte UID: The UID thing that messes with my head As you could see on my tag info, the UID on my trash card is 7 byte, so it works a bit different than the 4 byte one. In order to understand the difference between a 4Byte and 7Byte UID (i.e. I also noticed that the UID was 7Byte, making it a MIFARE Ultralight card grrrrrrr About this manufacturer block (Sector 0 – Block 0) This part of the card is the only interesting part, as no other data is written to any sector/block as far as I can see. I used the on my Samsung S6, the the result was a bit disappointing.ĭetailed information about every sector on the card (if any data would be present except the UID) So the only interesting information is in Sector: 0, also called the manufacturer block. Reading and capturing contents of the card After some investigation I noticed that my Samsung mobile phone has a NFC reader. MiFare Ultralight cards have a 7-byte UID that uniquely identifies the card. ![]()
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