Updating ontario health card
The MIFARE Classic 1K offers 1,024 bytes of data storage, split into 16 sectors; each sector is protected by two different keys, called A and B.
Each key can be programmed to allow operations such as reading, writing, increasing value blocks, etc.
The SAM (Secure Access Module) provides the secure storage of cryptographic keys and cryptographic functions.
Also, the very first 16 bytes contain the serial number of the card and certain other manufacturer data and are read only.MIFARE Classic 4K offers 4,096 bytes split into forty sectors, of which 32 are same size as in the 1K with eight more that are quadruple size sectors.MIFARE Classic mini offers 320 bytes split into five sectors.They are ASIC-based and have limited computational power.Thanks to their reliability and low cost, those cards are widely used for electronic wallet, access control, corporate ID cards, transportation or stadium ticketing.