
MIFARE is a trademark for a family of contactless smart cards and chips developed by NXP Semiconductors (formerly Philips Semiconductors). The technology is based on the ISO/IEC 14443 Type A standard , operates at a frequency of 13.56 MHz , and uses radio frequency identification ( RFID ) for data exchange.
The main idea of MIFARE is to provide fast and secure information exchange without physical contact between the card and the reader.
Key Features and Uses
Contactless principle : MIFARE cards do not require insertion into the device. Simply hold them close to the reader (usually up to 10 cm).
Reader-powered : The chip in the card does not have its own power source. It is activated and powered by the electromagnetic field generated by the reader.
High security : Depending on the chip type, MIFARE supports different levels of encryption, including Triple DES and AES, which provides data protection from unauthorized access and copying.
Wide application : MIFARE is one of the most popular technologies in the world for:
Public transport : Cards for paying for travel (for example, Troika in Moscow, Oyster in London).
Access control systems (ACS) : For access to offices, hotels, educational institutions.
Cashless micropayments : At stadiums, in entertainment centers.
Tickets : For events, concerts and exhibitions.
Types of MIFARE chips
The MIFARE family includes several key types, each with its own characteristics and level of security:
MIFARE Classic : The earliest and most common type, available in 1K and 4K memory options. Uses simple Crypto-1 encryption.
MIFARE Ultralight : Simple and budget-friendly chips with a small memory capacity, ideal for one-time or event tickets.
MIFARE Plus : An enhanced version that is backward compatible with MIFARE Classic but offers enhanced security with support for AES encryption.
MIFARE DESFire : The most secure type, with its own operating system. Used for multi-tasking applications and applications where the highest level of security is required.
MIFARE technology is the basis for many modern contactless solutions, making it an integral part of everyday life in cities around the world.