On the security of the Linux disk encryption LUKS
In the past few days, there have been uncertainties and concerns about the LUKS (“Linux Unified Key Setup”) disk encryption, which is widely used on Linux. We publish our assessment of this here.
On the security of the Linux disk encryption LUKS launched on May 5, 2023 with 31 votes, #1,526 of 4,910 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
This resource provides an assessment of LUKS (Linux Unified Key Setup), the widely-used disk encryption standard for Linux systems. Following recent concerns and uncertainties about LUKS security, the analysis addresses these questions head-on, offering a detailed evaluation of the encryption method's strength and reliability. It is intended for Linux users and security-conscious individuals seeking clarity about the safety of their disk encryption practices.
written from the facts on this page · September 2026
From the sources
strengthening digital self-defense | research and development | providing privacy-focused goods and services
In the past few days, there have been uncertainties and concerns about the LUKS (“Linux Unified Key Setup”) disk encryption, which is widely used on Linux. We publish our assessment of this here. On April 17, 2023 Matthew “mjg59” Garrett published an appeal to change the key derivation function (KDF) of LUKS-encrypted volumes: PSA: upgrade your LUKS key derivation function . He refers to the article “ Une lettre d’Ivan, enfermé à la prison de Villepinte : perquisitions et disques durs déchiffrés ” (crosspost from paris-luttes.info ). According to the source, two encrypted computers belonging to an accused person had been decrypted – a Windows computer encrypted with BitLocker and a…from dys2p.com
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