In this post, I discuss a number of key TPM 2.0 features such as multiple algorithm support and PCR banks, and provide the source code for a UEFI shell utility to display the digests from the first 24 PCRs of a TPM 2.0 implementation.
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This is the first in a series of posts which demonstrate how to access, use and modify TPM 1.2 and TPM 2.0 resources via a series of UEFI shell applications. In this post I provide the source code for a simple UEFI shell utility to display the TCG TPM 1.2 event log. In the post, I present a small UEFI utility for examining TrEE Capabilities from the UEFI shell. TrEE is an EFI protocol which supports a subset of the TCG TPM 2.0 library specification. |
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