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The Linux kernel configuration item CONFIG_CRYPTO_JITTERENTROPY
has multiple definitions:
crypto/Kconfig
The configuration item CONFIG_CRYPTO_JITTERENTROPY:
(none)
jitterentropy_rng
CPU Jitter RNG (Random Number Generator) from the Jitterentropy library
A non-physical non-deterministic ("true") RNG (e.g., an entropy source compliant with NIST SP800-90B) intended to provide a seed to a deterministic RNG (e.g., per NIST SP800-90C). This RNG does not perform any cryptographic whitening of the generated random numbers.
See https://www.chronox.de/jent/
crypto/Kconfig
The configuration item CONFIG_CRYPTO_JITTERENTROPY:
(none)
jitterentropy_rng
The Jitterentropy RNG is a noise that is intended to provide seed to another RNG. The RNG does not perform any cryptographic whitening of the generated random numbers. This Jitterentropy RNG registers with the kernel crypto API and can be used by any caller.
Raw data from LKDDb:
lkddb module jitterentropy_rng CONFIG_CRYPTO_JITTERENTROPY : crypto/Kconfig : "CPU Jitter Non-Deterministic RNG (Random Number Generator)" # in 4.2–4.20, 5.0–5.19, 6.0–6.13, 6.14-rc+HEAD
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Automatically generated (in year 2025). See also LKDDb sources on GitLab