Is anyone here using their hardware TPM chips for credentials?
Is anyone here using their hardware TPM chips for credentials?
I'm curious about the possible uses of the hardware Trusted Protection Module for automatic login or transfer encryption. I'm not really looking to solve anything or pry. I'm just curious about the use cases as I'm exploring network attached storage and to a lesser extent self hosting. I see a lot of places where public private keys are generated and wonder why I don't see people mention generating the public key from TPM where the private key is never accessible at all.
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A security module or a key fob/smart card processes the key internally using its own dedicated ram and cpu without any debugging support. This way, even something will full ram and cpu access or a compromise of your machine, there is no way to export or access the key. Data is passed to the module and it returns the scrambled or unscrambled result based on the key which no body knows or has ever seen. A key locked with no way to access can’t be hacked without physically stealing the module, which is where your pin comes in to save you. The TPM is a very important part of a secure boot chain. If you want to secure other things I wouldn’t blame you for using a separate module or fob that isn’t always connected util it’s actually needed and it should only be activated with a physical button or something so you have to be present to engage with it. This adds even more security. So you could use the TPM for boot chain security and a separate fob or data privacy for example.