Am Donnerstag, 16. Januar 2020, 01:15:46 CET schrieb Randy Dunlap: Hi Randy, > On 1/15/20 2:34 AM, Stephan Müller wrote: > > CC: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx> > > CC: "Alexander E. Patrakov" <patrakov@xxxxxxxxx> > > CC: "Ahmed S. Darwish" <darwish.07@xxxxxxxxx> > > CC: "Theodore Y. Ts'o" <tytso@xxxxxxx> > > CC: Willy Tarreau <w@xxxxxx> > > CC: Matthew Garrett <mjg59@xxxxxxxxxxxxx> > > CC: Vito Caputo <vcaputo@xxxxxxxxxxx> > > CC: Andreas Dilger <adilger.kernel@xxxxxxxxx> > > CC: Jan Kara <jack@xxxxxxx> > > CC: Ray Strode <rstrode@xxxxxxxxxx> > > CC: William Jon McCann <mccann@xxxxxxx> > > CC: zhangjs <zachary@xxxxxxxxxxxxxxxx> > > CC: Andy Lutomirski <luto@xxxxxxxxxx> > > CC: Florian Weimer <fweimer@xxxxxxxxxx> > > CC: Lennart Poettering <mzxreary@xxxxxxxxxxx> > > CC: Nicolai Stange <nstange@xxxxxxx> > > Reviewed-by: Marcelo Henrique Cerri <marcelo.cerri@xxxxxxxxxxxxx> > > Reviewed-by: Roman Drahtmueller <draht@xxxxxxxxxxxxxx> > > Tested-by: Roman Drahtmüller <draht@xxxxxxxxxxxxxx> > > Tested-by: Marcelo Henrique Cerri <marcelo.cerri@xxxxxxxxxxxxx> > > Tested-by: Neil Horman <nhorman@xxxxxxxxxx> > > Signed-off-by: Stephan Mueller <smueller@xxxxxxxxxx> > > --- > > > > drivers/char/lrng/Kconfig | 10 + > > drivers/char/lrng/Makefile | 1 + > > drivers/char/lrng/lrng_kcapi.c | 327 +++++++++++++++++++++++++++++++++ > > 3 files changed, 338 insertions(+) > > create mode 100644 drivers/char/lrng/lrng_kcapi.c > > > > diff --git a/drivers/char/lrng/Kconfig b/drivers/char/lrng/Kconfig > > index 15fb623d9d1f..0d070a3897dd 100644 > > --- a/drivers/char/lrng/Kconfig > > +++ b/drivers/char/lrng/Kconfig > > @@ -80,6 +80,16 @@ config LRNG_DRBG > > > > Enable the SP800-90A DRBG support for the LRNG. Once the > > module is loaded, output from /dev/random, /dev/urandom, > > getrandom(2), or get_random_bytes is provided by a DRBG. > > > > + > > +config LRNG_KCAPI > > + tristate "Kernel Crypto API support for the LRNG" > > + select CRYPTO_RNG > > Don't select CRYPTO_RNG unless you know that CRYPTO is set/enabled. I added "depends on CRYPTO" > > > + help > > + Enable the support for generic pseudo-random number > > + generators offered by the kernel crypto API with the > > + LRNG. Once the module is loaded, output from /dev/random, > > + /dev/urandom, getrandom(2), or get_random_bytes is > > + provided by the selected kernel crypto API RNG. > > > > endif # LRNG_DRNG_SWITCH > > > > endif # LRNG Thank you. Ciao Stephan