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General => General Technical Chat => Topic started by: nezovenira on July 07, 2019, 02:04:05 pm

Title: Where are keys stored on firmware TPMs?
Post by: nezovenira on July 07, 2019, 02:04:05 pm

Some Intel and AMD CPUs have fTPM function(TXT for Intel and PSP for AMD), where do they store the ecryption keys, in CPU or in motherboard?
According to this: https://www.asus.com/us/support/FAQ/1032571/ (https://www.asus.com/us/support/FAQ/1032571/) , it seems AMD systems store it mainly on motherboard, but still require the exact same CPU to use that data... I remember only a few old Intel CPUs have SN to identify, how AMD do this?