Radiation-tolerant secure authenticator to protect medical device data

July 12, 2018 // By Julien Happich
With the DS28E83 DeepCover IC from Maxim Integrated Products, medical device designers can protect surgical tool data from memory-disruptive, high-energy gamma radiation used in sterilization, while simultaneously providing tool security with capabilities such as secure tool use management and counterfeit prevention.

Claimed to be the industry’s first secure authentication solution designed for gamma sterilization exposure, the chip enhances patient safety and includes both elliptic curve digital signature algorithm (ECDSA) and Secure Hash Algorithm-256 (SHA-256)-based cryptographic features. The 1-Wire interface allows for simple integration into designs. 
Authentication is implemented through industry-standard and application-efficient elliptic-curve, public-key cryptography to protect patients against the risks associated with non-qualified counterfeit devices or incidental re-use. The IC, which is easy to integrate into a customer’s design using Maxim’s single-contact 1-Wire interface, is applicable for medical surgical tools and sensor applications.
Maxim Integrated - www.maximintegrated.com


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