Maxim Integrated DS28E10P+ Secure Authenticator

The DS28E10P+ is a robust and secure SHA-1 authenticator from Maxim Integrated, providing a cost-effective solution for unidirectional secure data exchange. This compact, high-security device integrates a unique 64-bit ROM identification number (ROM ID), which serves as an inherent key for the built-in SHA-1 algorithm, ensuring a secure cryptographic authentication process.

Designed with simplicity in mind, the DS28E10P+ utilizes the 1-Wire® interface, which minimizes the need for additional wiring and simplifies integration into your system. It requires only a single contact for both communication and power supply, making it an ideal choice for applications where space and contact limitations are critical considerations.

The device's core functionality revolves around its ability to generate and verify Message Authentication Codes (MACs). It can effectively prevent unauthorized product clones and ensure data integrity by confirming that both the data and the device are authentic. This is particularly valuable in applications such as accessory authentication, network equipment, medical devices, and other systems where protecting intellectual property and maintaining the integrity of the communication are paramount.

Key features of the DS28E10P+ include:

• High-Security SHA-1 Engine: The integrated SHA-1 hash function provides robust security for challenge-and-response authentication schemes.
• Unique 64-Bit ROM ID: Each device has a factory-lasered and tested 64-bit registration number that serves as a unique identifier, which is crucial for tracking and authentication purposes.
• Low-Power Consumption: Its energy-efficient design ensures minimal power usage, making it suitable for portable and battery-powered applications.
• Small Form Factor: The compact packaging allows for easy integration into various designs without significant space constraints.
• 1-Wire Interface: The patented 1-Wire protocol enables communication and power over a single pin, reducing complexity and cost.

With its combination of security, simplicity, and efficiency, the Maxim Integrated DS28E10P+ secure authenticator is an excellent choice for designers looking to enhance the security features of their products without incurring significant overhead or complexity.