MIFARE Classic and MIFARE Plus are likely familiar to you if you use RFID smart cards for payments, transportation, or access control. Although these two card technologies appear to be identical, there is one important difference.

So, should you upgrade to MIFARE Plus or continue using MIFARE Classic? We’ll go over the main differences, the importance of security, and how to choose the best option for your company in this guide.

Table of Contents

What are MIFARE Plus and MIFARE Classic?

RFID (Radio Frequency Identification) is used by MIFARE Classic and MIFARE Plus, two contactless smart card technologies, to establish a 13.56 MHz link to users. These cards get used in systems that need contactless access for identification and information storage. Their encryption and security techniques differ even if their basic technology is identical.

MIFARE Classic

Introduced in the middle of the 1990s, MIFARE Classic rapidly developed popularity as a standard for contactless data storage and authentication. Data can be stored and accessed in sectors, each of which is secured by an encryption key.

Each of the several memory sectors on MIFARE Classic cards is protected by two encryption keys (A and B). These keys control the capacity to read and write information to specific card locations.

MIFARE Plus

In order to fix MIFARE Classic’s security problems and maintain its compatibility with current systems, MIFARE Plus was released as its replacement. It enables users to switch from MIFARE Classic gradually with no getting to replace everything right away.

System administrators can select between enhanced security and legacy compatibility with MIFARE Plus’s multiple security levels:

Security Level 0: Uses Crypto-1 encryption for backward compatibility and works similarly to a MIFARE Classic card.
Security Level 1: Allows for some compatibility with older systems while introducing AES authentication.
Security Level 2/3: Enables enhanced data security and advanced authentication by fully activating AES-128 encryption.

Mifare Classic vs. Mifare Plus based on Applications

Where MIFARE Classic Is Still Used

Legacy systems and low-risk applications still use MIFARE Classic, including:

● Hotel keycards that don’t need a lot of security and have a short expiration date.

● Simple public transportation cards in outdated, unimproved systems.

● There are occasions when security isn’t a top priority.

● Employee or student ID cards are used only for visual identification.

MIFARE Classic is still an affordable choice if cloning or illegal access are not an issue.

Where MIFARE Plus Is Recommended

For settings needing enhanced protection against scams and safety, MIFARE Plus is highly advised, including:

● Corporate access control, which stops ID cards from being duplicated with no authorization.

● Use of public transit (a safeguard against ticket fraud).

● Financial and governmental organizations

● Systems for cashless payments (preventing fraud and card cloning).

MIFARE Plus is an essential upgrade if your company manages physical access or manages private information.

Key Differences Between MIFARE Classic and MIFARE Plus

1. Safety

Crypto-1 encryption, which was useful in its early days but is now regarded as insecure, is used by MIFARE Classic. The encryption technique is not appropriate for high-security applications because of its proneness to cloning and illegal access.
AES-128 encryption, an increasingly common security standard in difficult-to-manage businesses, is offered in MIFARE Plus. This encryption guards against data theft, copying, and modification. Security over the long run is guaranteed by variable key administration, which allows encryption keys to be shifted throughout the course of the card’s life.

2. Capacity for Storage

MIFARE Classic:Provides 1K and 4K storage capacities, proper for basic entry and identification. But, restricted storage may not support simpler uses that require more data.
MIFARE Plus: Raises its efficiency for transit cards, enterprise access systems, and e-wallets that need safer data storage by enabling memory separation like 1K, 2K, and 4K storage options.

3. Upgradability and Compatibility

MIFARE Classic: This popular program is presently being phased out of high-security applications.
A seamless transition to higher security qualifications is made possible by MIFARE Plus, which is intended to be a direct upgrade to MIFARE Classic. Because it keeps the ability to back up in place, you can space out upgrades without having to replace the entire infrastructure at once.

4. Performance

MIFARE Classic:For the majority of low-security applications, the basic read and write speeds are enough. However, its operation might be limited by processing a lot of data.
MIFARE Plus:High performance is maintained even in larger ones. It is ideal for big deployments because it can manage higher security levels.

5. Value

MIFARE Classic:It is well-known for being affordable, which makes it an acceptable RFID option for operations with limited funds. It is accessible for simple applications because of accepted technology and large use.
MIFARE Plus: Although it is costly because of its intelligent security features, companies that place a high importance on long-term sustainability and defense will find that its strong password security and adaptability.

MIFARE Classic is suitable for low-security, cost-sensitive applications, while MIFARE Plus is the chosen option for companies that need strong encryption, better storage options, and future-proof security.

How to Switch to MIFARE Plus from MIFARE Classic

If your system is still using MIFARE Classic but you need more protection and efficiency, upgrading to MIFARE Plus is an intelligent choice.

1. Analyze Your Present System

Before developing the transition, you must assess the present strategy to identify any possible conflicts of interest. It is necessary to examine elements related to both programs and equipment:

Access to your Equipment:

Check to see if the devices and card readers you still use support MIFARE Plus and its AES encryption feature.
If your existing readers do not support MIFARE Plus, consider either replacing the hardware or updating the firmware.

Access to your Program:

Check that access control systems, payment platforms, and management software are capable of handling the MIFARE Plus format of data and settings for privacy.
Because many systems support MIFARE Plus, check with the supplier to see if your system has a software update available.

At this point, thorough investigation helps avoid system issues and ensures an easy transition.

2. Update the firmware and system software.

To ensure soft connection, your system could require software updates because MIFARE Plus uses AES encryption. The actions stated below are suggested:

Updates to the firmware:

To turn on MIFARE Plus compatibility, update the firmware on your card reader. Consider for swapping out old readers if there is not an update available.

Updates to the System Platform:

Software changes might be needed in access control, payment processing, and attendance systems in request to accommodate MIFARE Plus for the best security.
These updates typically become available with system version upgrades or software patches.

Upgrading your firmware and software guarantees that your system can manage security protocols and MIFARE Plus cards.

3. Perform Large Testing

Proper testing is required to ensure stability, performance, and security prior to MIFARE Plus’s full deployment. Testing should to concentrate on:

Testing for functionality:

Check that MIFARE Plus card verification, processing of payments, and access management systems work properly.

Evaluation of Performance:

To be sure that system effectiveness keeps up, assess response times and read/write speeds.

Testing for security:

Check that the information is secure and that illegal card cloning or tampering is prevented by AES encryption.

Before going to a full-scale deployment, testing must to be done out in a controlled setting.

4. Implementation and Set Transition

Instead of simply changing every MIFARE Classic card immediately, a planned transition decreases risks and ensures continuity of operations.

Starting implementation of MIFARE Plus Cards:

Start by putting MIFARE Plus to place at important places like parking lots, payment terminals, and secure access points.
To ensure compatibility and simple operations, continue to support two cards during this period.

Phase Out MIFARE Classic Cards Little by Little:

Replace MIFARE Classic cards in a systematic way as MIFARE Plus adoption rises.
To spot any possible problems early in the transition process, monitor system efficiency and get user input.

When switching to MIFARE Plus for security advantages, a carefully planned movement confirms that your system stays protected and working.

Conclusion

Previously an excellent RFID option, MIFARE Classic is now an unsafe option due to weakness in security. MIFARE Plus is an excellent upgrade if you’re applying it for something beyond straightforward control.

Before security risks get a problem, it’s time to plan your transition if you are still using MIFARE Classic.