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Maxim > Products > 1-Wire® Devices

Protect Development Investment with 1-Wire Electronic Authentication Solutions

Maxim offers a wide range of low-cost authentication solutions that help OEMs protect product development and R&D investment by preventing low-quality knockoffs from entering the marketplace. Authentication solution option range from customization of the unique serial number factory-lasered into each device (provides controlled procurement access) to secure crypto-strong ISO/IEC 10118-3 SHA-1 based challenge and response for bi-directional authentication.

Tutorial on FPGA Security

Part	Interface	Description	Authentication Feature
DS28E01-100	1-Wire	1kb EEPROM with SHA-1 authentication	Bidirectional SHA-1 challenge and response with enhanced security
DS28CN01	I²C/SMBus	1kb EEPROM with SHA-1 authentication	Bidirectional SHA-1 challenge and response with enhanced security
DS2460	I²C/SMBus	SHA-1 coprocessor	Secure storage of system secret
DS1961S	1-Wire	1kb EEPROM SHA-1 iButton®	Bidirectional SHA-1 challenge and response
DS2431	1-Wire	1kb EEPROM	Customization, write protection/OTP modes
DS28EC20	1-Wire	20kb EEPROM	Customization, write protection/OTP modes
DS2433	1-Wire	4kb EEPROM	Customization, write protection/OTP modes
DS28CM00	I²C/SMBus	64-bit ROM serial number	Customized 64-bit ROM
DS2401	1-Wire	64-bit ROM serial number	Customized 64-bit ROM
DS2411	1-Wire	64-bit ROM serial number	Customized 64-bit ROM

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Free 1-Wire Samples

Bridging Your Application to 1-Wire

Application Notes

Application Note 3675: Protecting the R&D Investment—Two-Way Authentication and Secure Soft-Feature Settings