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Maxim’s DS2477 Secure I2C Coprocessor, Now at Mouser, Delivers Authentication and Physical Security

Published: 9 April 2019 - Sarah Mead

Mouser Electronics is now stocking the DS2477 DeepCover secure coprocessor from Maxim Integrated. The DS2477 provides additional levels of authentication and device integrity protection for industrial systems, medical sensors, and Internet of Things (IoT) tools.

Maxim's DS2477, available from Mouser Electronics, is a secure I2C coprocessor with built-in 1-Wire master that combines FIPS202-compliant secure hash algorithm (SHA-3) challenge and response authentication with Maxim’s patented ChipDNA feature to provide a cost-effective solution with the ultimate protection against security attacks.

The DS2477 utilises the ChipDNA output as key content to cryptographically secure all device-stored data. Attempts to probe or observe ChipDNA operation modifies the underlying circuit characteristics, which prevents discovery of the unique value used by the chip cryptographic functions. The ChipDNA circuit, a physically unclonable technology, uses a random variation of semiconductor device characteristics that naturally occur during wafer fabrication. The circuit generates a unique output value that is repeatable over time, temperature, and operating voltage, and provides a core set of cryptographic tools derived from integrated blocks.

To learn more, visit www.mouser.com/maxim-ds2477-coprocessor.

Industry Connections: Mouser Electronics


 
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