USB Type-C Authentication Protocol Aims To Solve Some Of The Standard's Issues

By 08:47 Sun, 01 Aug 2021 Comments


The Universal Serial Bus (USB) Implementers Forum together with Universal Serial Bus (USB) 3.0 Promoter Group have announced a recent Authentication Protocol for Universal Serial Bus (USB) Type-C. The non-profit and the group of companies which includes HP, Intel, and Microsoft among others, have agreed upon a protocol, which lets host systems assess the authenticity of connected devices using 128-bit encryption before any power or data has been transferred.


For one, the authentication should assist prevent damaged devices by cables, which don't strictly comply with the standard. So far that issue has been taken care of almost personally by Google's own Benson Leung and his reviews on Amazon, prompting the retailer to adopt drastic measures.

Power delivery negotiation is only one aspect of the recent standard, the other major one is security. The aim is to fight malware using your thumb drive as a vehicle to gain entry into your system. In theory machines can be set up to only accept a connection with drives that have the required security certificates installed.

Existing devices, which meet the requirements of the protocol, will be able to have their firmware and/or software updated (at the will of their respective manufacturers) to bring them up to spec. You can't update cables though, these will need to be replaced.

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