On Tue, Oct 15, 2019 at 03:47:02PM +0300, Jarkko Sakkinen wrote: > Salt the result that comes from the TPM RNG with random bytes from the > kernel RNG. This will allow to use tpm_get_random() as a substitute for > get_random_bytes(). TPM could have a bug (making results predicatable), > backdoor or even an inteposer in the bus. Salting gives protections > against these concerns. Seems like a dangerous use case, why would any kernel user that cared about quality of randomness ever call a tpm_* API to get quality random data? Jason
