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⇱ Ceph In Linux 7.0 Lands Support For AES256K Keys - Phoronix

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Ceph In Linux 7.0 Lands Support For AES256K Keys

Written by Michael Larabel in Linux Storage on 21 February 2026 at 05:32 AM EST. 2 Comments
For those making use of the Ceph open-source, distributed storage platform, with the upcoming Linux 7.0 kernel they are introducing support for the AES256K key type.

The Ceph authentication code in Linux 7.0 has merged support for the AES256K key type. The CEPH_CRYPTO_AES256KRB5 key type is based on Kerberos 5 / AES256-CTS-HMAC384-192. This support is complementary and doesn't affect the existing Ceph AES crypto support.

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Aside from that Ceph AES256K key type support, the other Ceph changes amount to bug fixes for the Linux 7.0 merge window. See this pull request for those making use of Ceph and curious about these latest changes.

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 20,000 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, LinkedIn, or contacted via MichaelLarabel.com.