Mixed Signal/Analog

DeepCover device protects embedded designs, peripherals

23rd September 2013
Mick Elliott
0

Maxim Integrated’s DS28C22 is a highly secure cryptographic solution for a host controller to authenticate peripherals or embedded designs. It offers encrypted communication as an added benefit. Applications include , including peripherals/disposables, sensors, network equipment, IP licensing, and industrial applications like programmable logic controllers.

DeepCover embedded security solutions protect sensitive data with multiple layers of advanced physical security and provide highly secure storage of the authentication secret keys. Using the FIPS 180 based SHA-256 authentication algorithm, the DS28C22 combines crypto-strong, bidirectional, secure challenge-and-response authentication with small message encryption.

Through bidirectional authentication, the host and the peripheral authenticate one another, protecting the IP in the peripheral from a non-authentic host trying to modify operation of the peripheral.  A bidirectional security model enables two-way authentication and encryption between a host system and slave-embedded DS28C22. Strong die-level protection securely stores the authentication. 

An optiona lDS28C22 pre-programming service prevents supply chain venders from compromising a solution and ensures no exposure of cryptographic keys. The device also includes a dedicated hardware accelerated engine for SHA computations.

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