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r345438: Allow using TPM as entropy source TPM has a built-in RNG, with its own entropy source. The driver was extended to harvest 16 random bytes from TPM every 10 seconds. A new build option "TPM_HARVEST" was introduced - for now, however, it is not enabled by default in the GENERIC config. r345842: Add a cv_wait to the TPM2.0 harvesting function r346259: tpm: Prevent session hijack r346261: Improve tpm20 style Submitted by: Kornel Duleba <[email protected]> Obtained from: Semihalf Sponsored by: Stormshield