Google makes firmware Titan M security chip from Pixel 3 open source

Oct

22

2018

Google makes available the source code of the firmware of its Titan M security chips under an open source license. Security experts can therefore check the code for any imperfections.

Google gives the source code “completely free” somewhere in the coming months, reports Xiaowen Xin, security project manager at Google, to Wired . Google unveiled at the announcement of the Pixel 3 and Pixel 3 XL that it had integrated a self-designed security chip into the smartphones.

In an explanation , Google clarifies that the chip should help to secure the boot procedure and play a role in the storage of user access codes and decryption if the correct code is entered on the lock screen. In addition, the chip ensures the storage of private keys, including apps from third parties, and helps the hardware with authorization, including for payments.

The Titan M is a scaled-down version of the Titan chip that Google uses for the servers of the Google Cloud Platform. This chip includes a coprocessor for cryptography, a hardware random number generator , own ram and shielded flash storage.

Google Titan Titan M
On the left the Titan, on the right the Titan M

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