What is a MIFARE Card?
A MIFARE card is a type of contactless smart card that is used for a variety of applications, such as access control, public transportation, and event. The MIFARE brand, owned by NXP Semiconductors, encompasses a range of smart card technologies, including the original MIFARE Standard, MIFARE Ultralight, and MIFARE DESFire.
MIFARE cards are commonly used in applications where a high level of security is required. They use a radio frequency (RF) interface to communicate with a card reader, and can be easily integrated into existing systems. MIFARE cards are widely used in public transportation systems, as they can be quickly and easily scanned by passengers to validate their tickets.
MIFARE cards offer several advantages over traditional magnetic stripe card as they use high level of encryption in orderto prevent unauthorized access to the card’s data.

What does 128-bit AES authentication means in MIFARE cards
AES (Advanced Encryption Standard) is a widely-used encryption algorithm that uses a 128-bit key to secure data. In the context of Mifare cards, 128-bit AES authentication means that the card uses a 128-bit key to authenticate access to the card’s data.
This means that only authorized individuals with the correct key can access the card’s data. This helps to prevent unauthorized access and ensures that the card’s data remains secure. 128-bit AES authentication is considered to be very secure, as it would take a significant amount of time and computational power to break the encryption.
Mifare cards are widely used in applications such as access control, public transportation, and event ticketing. The use of 128-bit AES authentication ensures that the card’s data remains secure, and helps to prevent unauthorized access. This can provide peace of mind for both the users of the card and the organizations that issue the card.
The MIFARE Classic EV1 1k offers a memory capacity of 1 kilobyte (KB), which is enough to store up to 716 bytes of user data. The card uses a 13.56 MHz frequency to communicate with a card reader, and can be quickly and easily scanned to access the stored data. The card also features a unique serial number, which can be used to identify individual cards.
One of the key features of the MIFARE Classic EV1 1k is its security. The card uses a proprietary encryption algorithm called Crypto-1 to protect its data. This helps to prevent unauthorized access to the card’s data, and ensures that the card’s information remains secure. The card also has a write protection feature, which allows the card to be configured so that its data cannot be altered or overwritten.
The MIFARE Classic EV1 1k is compatible with a wide range of card readers and other systems, making it easy to integrate into existing infrastructure. The card is widely used in public transportation systems, where it is quickly and easily scanned by passengers to validate their tickets. It is also commonly used in access control systems, where it is used to grant or deny access to buildings or other restricted areas.
Overall, the NXP MIFARE Classic EV1 1k is a versatile and secure contactless smart card that is suitable for a range of applications. Its 1 KB memory capacity and encryption capabilities make it a popular choice for organizations that require secure storage of data.
The MIFARE Ultralight is a low-cost smart card that offers a simple and cost-effective solution for applications that require a limited amount of data to be stored on the card. The card has a memory capacity of 64 bits, which is enough to store up to 11 pages of data. The card uses a 13.56 MHz frequency to communicate with a card reader, and can be quickly and easily scanned to access the stored data.
One of the key features of the MIFARE Ultralight is its simplicity. The card does not use any encryption, which makes it easy to use and quick to implement. This makes it an attractive option for applications that do not require a high level of security, such as event ticketing or loyalty programs.
The MIFARE Ultralight is compatible with a wide range of card readers and other systems, making it easy to integrate into existing infrastructure. The card is widely used in public transportation systems, where it is quickly and easily scanned by passengers to validate their tickets. It is also commonly used in access control systems, where it is used to grant or deny access to buildings or other restricted areas.
Overall, the NXP MIFARE Ultralight is a simple and cost-effective contactless smart card that is suitable for applications that do not require a high level of security. Its low cost and easy implementation make it a popular choice for organizations that require a basic smart card solution.
The MIFARE Ultralight C is a low-cost smart card that offers a simple and cost-effective solution for applications that require a limited amount of data to be stored on the card. The card has a memory capacity of 48 bits, which is enough to store up to 7 pages of data. The card uses a 13.56 MHz frequency to communicate with a card reader, and can be quickly and easily scanned to access the stored data.
One of the key features of the MIFARE Ultralight C is its security. The card uses a proprietary encryption algorithm called AES-128 to protect its data. This helps to prevent unauthorized access to the card’s data, and ensures that the card’s information remains secure. The card also has a write protection feature, which allows the card to be configured so that its data cannot be altered or overwritten.
The MIFARE Ultralight C is compatible with a wide range of card readers and other systems, making it easy to integrate into existing infrastructure. The card is widely used in public transportation systems, where it is quickly and easily scanned by passengers to validate their tickets. It is also commonly used in access control systems, where it is used to grant or deny access to buildings or other restricted areas.
Overall, the MIFARE Ultralight C is a simple and cost-effective contactless smart card that offers a higher level of security than the standard MIFARE Ultralight. Its low cost, easy implementation, and encryption capabilities make it a popular choice for organizations that require a basic but secure smart card solution.
MIFARE DESFire EV3 cards are based on the open global standard for contactless smart cards, ISO/IEC 14443. They feature a high-speed communication interface and advanced security features, such as triple-DES, 3K3DES, and AES encryption, as well as mutual authentication and a unique key per application.
One of the key features of MIFARE DESFire EV3 cards is their high data transfer rate, which allows them to handle multiple applications simultaneously and perform complex transactions quickly. They also have a large memory capacity, which makes them suitable for storing a wide range of data, such as application codes, keys, and user data.
In addition to their technical capabilities, MIFARE DESFire EV3 cards are also highly flexible and can be customized to meet the specific needs of different applications. They can be used in a wide range of environments, including office buildings, hospitals, schools, and public transportation systems.
Overall, MIFARE DESFire EV3 cards are a versatile and secure solution for a wide range of contactless smart card applications.
MIFARE DESFire EV Light cards are designed for applications that require a high level of security, such as access control, public transport fare collection, and event ticketing. They feature a range of advanced security features, including triple-DES, 3K3DES, and AES encryption, as well as mutual authentication and a unique key per application.
One of the key features of MIFARE DESFire EV Light cards is their high data transfer rate, which allows them to handle multiple applications simultaneously and perform complex transactions quickly. They also have a large memory capacity, which makes them suitable for storing a wide range of data, such as application codes, keys, and user data.
In addition to their technical capabilities, MIFARE DESFire EV Light cards are also highly flexible and can be customized to meet the specific needs of different applications. They can be used in a wide range of environments, including office buildings, hospitals, schools, and public transportation systems.
Overall, MIFARE DESFire EV Light cards are a versatile and secure solution for a wide range of contactless smart card applications.
MIFARE Plus EV2 cards are designed for applications that require a high level of security, such as access control, public transport fare collection, and event ticketing. They feature a range of advanced security features, including triple-DES, 3K3DES, and AES encryption, as well as mutual authentication and a unique key per application.
One of the key features of MIFARE Plus EV2 cards is their ability to upgrade the security of existing MIFARE Classic systems without the need for a complete infrastructure overhaul. This allows organizations to easily upgrade their systems to the latest security standards, while still using their existing infrastructure and equipment.
In addition to their technical capabilities, MIFARE Plus EV2 cards are also highly flexible and can be customized to meet the specific needs of different applications. They can be used in a wide range of environments, including office buildings, hospitals, schools, and public transportation systems.
Overall, MIFARE Plus EV2 cards are a versatile and secure solution for a wide range of contactless smart card applications. They offer the added benefit of being able to easily upgrade the security of existing MIFARE Classic systems.
One of the key features of NTAG chips is their ability to store and retrieve data. These chips are based on the ISO/IEC 14443A standard, which defines a protocol for communication between NFC devices. This protocol allows NTAG chips to store up to 888 bytes of data, which can be accessed quickly and easily by other NFC-enabled devices.
NTAG chips are also designed to be highly secure. They use advanced encryption techniques to protect the data stored on the chip, ensuring that it is only accessible to authorized devices. This makes them well-suited for applications where security is a concern, such as in contactless payment systems.
In terms of technical specifications, NTAG chips are small and lightweight, with dimensions of just 3.2 x 3.2 x 0.2 mm. They are also highly energy-efficient, with a typical operating current of just 5 mA. This makes them well-suited for applications where power consumption is a concern, such as in battery-powered devices.
Overall, the NTAG chip is a versatile and cost-effective solution for applications that require the exchange of small amounts of data between two devices. With their small size, high storage capacity, and strong security features, these chips are well-suited for a wide range of applications.
What is UID in MIFARE cards?
UID stands for Unique Identifier, and it refers to a number that is unique to each MIFARE card. MIFARE cards are a type of contactless smart card that is used for a wide variety of purposes, including access control, public transportation, and payment systems. The UID is stored in the card’s memory and is used to identify the card and distinguish it from other MIFARE cards.
The UID is typically a 4-byte (32-bit) or 7-byte (56-bit) number, depending on the type of MIFARE card. The first byte of the UID is called the “Manufacturer ID” and identifies the manufacturer of the card, while the remaining bytes are assigned by the manufacturer and are unique to each individual card. The UID is typically encoded in the card’s magnetic stripe or embedded chip, and is read by a card reader when the card is brought into close proximity to the reader.
One of the key advantages of MIFARE cards is that their UIDs are unique, which allows them to be used for a wide range of applications that require a high level of security. For example, access control systems can use the UID to verify that a cardholder is authorized to enter a specific area, and payment systems can use the UID to process transactions securely. Additionally, the unique nature of the UID allows for easy tracking and identification of individual cards, which can be useful in a variety of scenarios.
How to check authenticity of a MIFARE Card with NXP Taginfo APP
To check the authenticity of a MIFARE card using the NXP Taginfo app, you will need to have the app installed on your mobile device and have access to a card reader that is compatible with MIFARE cards. Once you have these two things, you can follow these steps:
- Open the NXP TAGinfo app on your mobile device. IOS / Google Play
- Place the MIFARE card on the card reader.
- The app will automatically detect the card and display its UID, along with other information about the card.
- To verify the authenticity of the card, you will need to compare the UID and other information displayed by the app with the information provided by the manufacturer of the card. If the information matches, the card is likely to be authentic.
- You can also use the app to perform additional tests on the card to verify its authenticity, such as checking for the presence of security features like a security key or encrypted data.
It is important to note that the NXP TAGinfo app is only one of many tools that can be used to verify the authenticity of a MIFARE card. Other tools and methods may also be available, depending on the specific requirements of your application. It is always best to consult with the manufacturer of the card or an expert in the field to determine the most appropriate method for verifying the authenticity of a MIFARE card.
