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. > + 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 -- ~Randy Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>