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The Linux kernel configuration item CONFIG_CRYPTO_ADIANTUM
has multiple definitions:
crypto/Kconfig
The configuration item CONFIG_CRYPTO_ADIANTUM:
(none)
adiantum
Adiantum tweakable, length-preserving encryption mode
Designed for fast and secure disk encryption, especially on CPUs without dedicated crypto instructions. It encrypts each sector using the XChaCha12 stream cipher, two passes of an ε-almost-∆-universal hash function, and an invocation of the AES-256 block cipher on a single 16-byte block. On CPUs without AES instructions, Adiantum is much faster than AES-XTS.
Adiantum's security is provably reducible to that of its underlying stream and block ciphers, subject to a security bound. Unlike XTS, Adiantum is a true wide-block encryption mode, so it actually provides an even stronger notion of security than XTS, subject to the security bound.
If unsure, say N.
crypto/Kconfig
The configuration item CONFIG_CRYPTO_ADIANTUM:
(none)
adiantum
Adiantum is a tweakable, length-preserving encryption mode designed for fast and secure disk encryption, especially on CPUs without dedicated crypto instructions. It encrypts each sector using the XChaCha12 stream cipher, two passes of an ε-almost-∆-universal hash function, and an invocation of the AES-256 block cipher on a single 16-byte block. On CPUs without AES instructions, Adiantum is much faster than AES-XTS.
Adiantum's security is provably reducible to that of its underlying stream and block ciphers, subject to a security bound. Unlike XTS, Adiantum is a true wide-block encryption mode, so it actually provides an even stronger notion of security than XTS, subject to the security bound.
If unsure, say N.
Raw data from LKDDb:
lkddb module adiantum CONFIG_CRYPTO_ADIANTUM : crypto/Kconfig : "Adiantum" # in 5.0–5.19, 6.0–6.13, 6.14-rc+HEAD
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