OSDP

Introduction

Chiyu has released a solution that offers a product with a primary feature of "card anti-cloning/anti-counterfeit mechanism" technology. The cloning of badges is considered a weak point in the majority of the access control market. It is essential for Chiyu to provide alternative options beyond the HID technology ecosystem, which are cost-effective and competitive.

WHY DESFire and OSDP?

DESFire EV1 and EV2.

The MIFARE® DESFire® has evolved into an industry-leading technology that provides superior performance, state-of-the-art security, privacy, and improved support for multiple applications. These advancements enable the creation of new business models. 

Common Criteria certification:

• EV1: EAL4+ for IC hardware and software
• EV2: EAL5+ for IC hardware and software

OSDP V2

More Security: OSDP v2 with Secure Channel protects readers against hacking using AES-128 encryption.

More Functionality: OSDP uses 2 wires, allows for multi-drop installation, supervises connections to indicate reader malfunctions, is scalable to connect more field devices, and more.

More Interoperability: Using OSDP enables communication among different manufacturers' devices.

More Consistency: Not only does OSDP provide a concise set of commonly used commands and responses, but it also eliminates guesswork since encryption and authentication are predefined.

What is reading sector and its benefits?

In today's modern world, our wallets often contain multiple MIFARE cards, such as Personal ID cards, credit cards, Octopus in Hong Kong, EzLink in Singapore, Suica in Japan, and EasyCard in Taiwan. As a result, individuals may have cards for different applications. With the reading sector, also known as the MIFARE Application Directory (MAD), a terminal can quickly identify multiple cards and select the correct one by checking the MAD.

The reading sector feature enables you to assign a reader to only read specific MAD MIFARE cards. This provides an added layer of protection for your projects.

How to use reading sector?

We will provide a bundle package:

1. Software, which allows Service Card to change its secret key.
2. Service Card, who can be implemented a secret key by D8 MIFARE programmer.
3. User Card, whose secret key can be modified by D8 MIFARE programmer for ONCE. Once the key implemented, the card can only modify its card number.
4. D8 MIFARE reader, which allows writing secret key inside the Service Card and User Card.
5. Reader, which can be allowed to writes a secret key with Service Card for ONCE.

   The secret key is a value that is shared between the reader and card. If their keys match, they can communicate with each other.

   Each of the mentioned readers supports the OSDP V1 and V2 protocol. OSDP enables communication among different manufacturers' devices and solutions. Therefore, if you connect our OSDP reader to an OSDP-supported device, it should work properly.

Frequently Ask Questions:

1. Is it possible to purchase a Mifare DESFire card or fob from a manufacturer other than the original manufacturer?

A. For general version, card and fob can only be purchased from Chiyu.

    For OEM version, card and fob can be outsourcing.

    Please check the Specification for their differences.

2.When writing the card ID number as per the user card, is it possible to generate a sequential card number?

A. Yes, if you start from 1000, the next card ID number would be 1001.

3. The secret key for both the user card and reader can only be implemented once. However, if we want to move the reader from one project site to another, is it possible to neutralize the reader since the reader is more expensive.

A. It should be noted that neutralizing the reader would decrease the overall security level. Therefore, we currently do not provide a neutralization function for our readers.

Specification

• * There are two secret keys, A key is Chiyu’s key or OEM’s key; B key is the customer key.
• ** The DESFire card or fob purchased from Chiyu will preload Chiyu’s key.

HARDWARE

Product	Model No.	Wiegand Type	RS485 OSDP V2	Mifare	DESFire EV1/EV2
	WR-M5-WC	26 / 34 / 66		CSN	CSN
	WR-M5-WS				SECTOR
	WR-M5-OC		●	CSN	CSN
	WR-M5-OS		●		SECTOR
	TWR-M5-WC	26 / 34 / 66		CSN	CSN
	TWR-M5-WS				SECTOR
	TWR-M5-OC		●	CSN	CSN
	TWR-M5-OS		●		SECTOR
	Webass Lite-WC	26 / 34 / 66		CSN	CSN
	Webpass Lite-WS				SECTOR
	Webpass Lite-OC		●	CSN	CSN
	Webpass Lite-OS		●		SECTOR

• * The CSN (Chip Serial Number) that comes with the card or fob is the same number that is printed on it. 
• ** It is important to note that changing the card number via the reading sector can result in the card number being different from the printed number or CSN (Chip Serial Number).
• *** THE CARD AND READER CAN ONLY WRITE CUSTOMER KEY AND CARD NUMBER FOR ONCE.