Ultra-low-power cryptographic controller with PUF technology

September 15, 2021 // By Rich Pell
Ultra-low-power cryptographic controller with PUF technology
Semiconductor company Analog Devices has announced an ultra-low power cryptographic controller featuring its ChipDNA physically unclonable functionality (PUF) technology for securing devices from the edge to the cloud.

The MAXQ1065 cryptographic controller is offered as providing the strongest protection for edge-to-cloud Internet of Things (IoT) nodes, including medical and wearable devices, against invasive security attacks. The security co-processor, says the company, provides 30x lower power when compared to similar products and its extended lifetime and operating range make it well-suited for long-term deployments in harsh environments.

"With billions of deployed devices and ongoing exponential growth, it's common knowledge that IoT devices are a favorite hacking target, normally with malicious intent," says Scott Jones, Managing Director, Micros, Security and Software Business Unit at Maxim Integrated, now part of Analog Devices. "The threats to the systems critical to society, such as infrastructure, medical and industrial, are very real and without proper protection they may be compromised."

"The MAXQ1065 with ChipDNA technology is designed to address these threats." says Jones. "Built with the most advanced security technology and targeting IoT applications, it provides a superior level of protection for your equipment and has the technology to future-proof designs against tomorrow's system threats."

The MAXQ1065 provides turnkey cryptographic functions for root-of-trust, mutual authentication, data confidentiality and integrity, secure boot, secure firmware update, and secure communications. It includes standard algorithms for key exchange and bulk encryption, or complete transport layer security (TLS) support. The device integrates 8KB of secure storage for user data, keys, certificates and counters with user-defined access control and life cycle management functionality for IoT equipment.

The MAXQ1065's low power consumption - 100 nA during power down mode - and wide operating range makes it suitable for battery-powered applications, and the very small footprint and low pin count enable easy integration into medical and wearable devices. The MAXQ1065 life cycle management allows flexible access control rules during the major life cycle stages of the device and end equipment, ensuring long-term operation in harsh environments.

The device integrates the company's proprietary ChipDNA PUF technology, which protects against invasive attacks since any

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