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Linux 3.14 Supports AMD's Cryptographic Coprocessor

AMD

Published on 23 January 2014 10:59 PM EST
Written by Michael Larabel in AMD
10 Comments

The AMD Cryptographic Coprocessor (CCP) is to be supported by the in-development Linux 3.14 kernel.

Back in November was when patches first emerged for an AMD Cryptographic Coprocessor on Linux. This co-processor provides hardware encryption and other hashing functionality for the AES crypto API, AES CMAC, XTS-AES, and SHA cryptographic interfaces within the Linux kernel.

Not much information is publicly known on this AMD Cryptographic Coprocessor but it's believed to be part of AMD's embedded ARM Cortex-A5 processor on upcoming server-class Opterons with TrustZone technology.

Besides the AMD Cryptographic Coprocessor driver for Linux 3.14, other crypto subsystem work for this next kernel release includes various optimizations, a new Freescale MXS DCP driver, and an AVX/AX2 version of AES-NI GCM encode/decode functions.

More information on these crypto changes for the Linux 3.14 kernel can be found via this pull request.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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