Building a Titan: Better security through a tiny chip

To better protect that information at a hardware level, our new Pixel 3 and Pixel 3 XL devices include a Titan M chip.We briefly introduced Titan M and some of its benefits on our Keyword Blog, and with this post we dive into some of its technical details. Titan M is a second-generation, low-power security module designed and manufactured by Google, and is a part of the Titan family. As described in the Keyword Blog post, Titan M performs several security sensitive functions, including: Storing and enforcing the locks and rollback counters used by Android Verified Boot. Securely storing secrets and rate-limiting invalid attempts at retrieving them using the Weaver API.Providing backing for the Android Strongbox Keymaster module, including Trusted User Presence and Protected Confirmation. Titan M has direct electrical connections to the Pixel’s side buttons, so a remote attacker can’t fake button presses. These features are available to third-party apps, such as FIDO U2F Authentication. Building a Titan: Better security through a tiny chip

thumbnail courtesy of googleblog.com

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