Google Details Their New Adiantum Encryption For Low-End Android Devices
Written by Michael Larabel in Linux Security on 7 February 2019 at 03:45 PM EST. 15 Comments
LINUX SECURITY --
With the upcoming Linux 5.0 kernel release there is initial support for Adiantum and implemented within the fscrypt file-system encryption framework in Google's pursuit to offering more viable data encryption on low-end Android devices.

Google engineers began working on Adiantum following the fall-out from their plans for using the NSA-developed Speck for encryption on low-end devices, with Speck widely believed to have been backdoor'ed by the National Security Agency.

Google was successful in making Adiantum faster than AES for low-tier Android devices with ARM SoCs lacking dedicated crypto extensions. The results posted by Google today show Adiantum to offer 5.6x better encryption and decryption performance compared to AES-256-XTS when running on an ARM Cortex-A7.

The Linux kernel bits around Adiantum are rolling out in Linux 5.0 upstream while Google says that in Android Q is where they will be making this encryption tech part of the Android platform.

Those wanting to read more about Adiantum can swing by Google's security blog.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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