On Fri, Apr 21, 2023 at 08:07:39AM +0200, Stephan Müller wrote: > The patch set replaces the LFSR conditioning function of the Jitter RNG > with SHA-3 256. This change requires also a new test interface to > analyze the raw unconditioned noise data. > > Albeit the test interface can be used directly with dd, a small helper > tool is provided at [1] which can be used to perform the collection > of raw entropy. The analysis of the data can be done with your favorite > tool. Or you may use the helper in [2] which uses the NIST SP800-90B > tool for entropy rate measurement. > > [1] https://github.com/smuellerDD/jitterentropy-library/tree/master/tests/raw-entropy/recording_runtime_kernelspace > > [2] https://github.com/smuellerDD/jitterentropy-library/tree/master/tests/raw-entropy/validation-runtime-kernel > > Changes v3: > > - fix jent_kcapi_init: error code for jent_entropy_collector_alloc now > properly cleans up the state > > - fix jent_kcapi_init: initialize lock at the beginning as it is used in > error code path function jent_kcapi_cleanup > > - editorial change: update description in MODULE_PARM_DESC in patch 0002 > > Changes v2: > > - fix use-after-free by switching shash_desc_zero and crypto_free_shash > in jent_mod_init reported by kernel-test-robot > > Stephan Mueller (2): > crypto: jitter - replace LFSR with SHA3-256 > crypto: jitter - add interface for gathering of raw entropy > > crypto/Kconfig | 21 +++ > crypto/Makefile | 1 + > crypto/jitterentropy-kcapi.c | 190 ++++++++++++++++++--- > crypto/jitterentropy-testing.c | 294 +++++++++++++++++++++++++++++++++ > crypto/jitterentropy.c | 145 ++++++---------- > crypto/jitterentropy.h | 20 ++- > 6 files changed, 551 insertions(+), 120 deletions(-) > create mode 100644 crypto/jitterentropy-testing.c > > -- > 2.40.0 All applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
