What is Virtual Trusted Platform Module (vTPM) in GCP?

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What is Virtual Trusted Platform Module (vTPM) in GCP? How does it help?
Oct 23 in GCP by anonymous
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A vTPM is a virtualized trusted platform module, which is a specialized computer chip you can use to protect objects, like keys and certificates, that you use to authenticate access to your system. 

The Shielded VM vTPM is fully compatible with the Trusted Computing Group (TPM) library specification 2.0 and uses BoringSSL, which is FIPS 140-2 L1 validated.

The Shielded VM vTPM enables Measured Boot by performing the measurements needed to create a known good boot baseline, called the integrity policy baseline. The integrity policy baseline is used for comparison with measurements from subsequent VM boots to determine if anything has changed.

You can also use the vTPM to protect secrets through shielding or sealing. See the Go-TPM project on GitHub for Go language examples that illustrate how to use a vTPM for this purpose.

answered Oct 23 by Sirajul
• 37,930 points

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