From 578b016fdc91464c08c096f0c5952cae549fdb8f Mon Sep 17 00:00:00 2001 From: Kent Yoder Date: Wed, 8 Aug 2012 14:18:57 -0500 Subject: hw_random: add support for the TPM chip as a hardware RNG source This driver will make use of any available TPM chip on the system as a hwrng source. Acked-by: David Safford Signed-off-by: Kent Yoder --- drivers/char/hw_random/Kconfig | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'drivers/char/hw_random/Kconfig') diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 7c0d3919..fbd9b2b 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -289,3 +289,16 @@ config HW_RANDOM_EXYNOS module will be called exynos-rng. If unsure, say Y. + +config HW_RANDOM_TPM + tristate "TPM HW Random Number Generator support" + depends on HW_RANDOM && TCG_TPM + default HW_RANDOM + ---help--- + This driver provides kernel-side support for the Random Number + Generator in the Trusted Platform Module + + To compile this driver as a module, choose M here: the + module will be called tpm-rng. + + If unsure, say Y. -- cgit v1.1