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USB-C Authentication Program – Cryptographic Protection

By TG

USB Implementers Forum (USB-IF) has announced their USB Type-C Authentication specification, the design is to assist with risks from malicious firmware/hardware in USB devices attempting to exploit a USB connection.

Key characteristics of the USB Type-C Authentication solution include:

    ï¿­ A standard protocol for authenticating certified USB Type-C chargers, devices, cables and power sources
    ï¿­ Support for authenticating over either USB data bus or USB Power Delivery communications channels
    ï¿­ Products that use the authentication protocol retain control over the security policies to be implemented and enforced
    ï¿­ Relies on 128-bit security for all cryptographic methods
    ï¿­ Specification references existing internationally-accepted cryptographic methods for certificate format, digital signing, hash and random number generation

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