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Diffstat (limited to 'crypto/Kconfig')
| -rw-r--r-- | crypto/Kconfig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index d20f559e8a27..42751d63cd4d 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1288,6 +1288,26 @@ config CRYPTO_JITTERENTROPY See https://www.chronox.de/jent.html +config CRYPTO_JITTERENTROPY_TESTINTERFACE + bool "CPU Jitter RNG Test Interface" + depends on CRYPTO_JITTERENTROPY + help + The test interface allows a privileged process to capture + the raw unconditioned high resolution time stamp noise that + is collected by the Jitter RNG for statistical analysis. As + this data is used at the same time to generate random bits, + the Jitter RNG operates in an insecure mode as long as the + recording is enabled. This interface therefore is only + intended for testing purposes and is not suitable for + production systems. + + The raw noise data can be obtained using the jent_raw_hires + debugfs file. Using the option + jitterentropy_testing.boot_raw_hires_test=1 the raw noise of + the first 1000 entropy events since boot can be sampled. + + If unsure, select N. + config CRYPTO_KDF800108_CTR tristate select CRYPTO_HMAC |