In this post, I provide the source code for a working UEFI shell application which displays the contents of an ASCII file using functionality provided by EFI_SHELL_PROTOCOL.
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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. In this post, I provide the source code for a UEFI shell utility to print out all the Platform Configuration Registers (PCRs) for a TPM 1.2 (Trusted Platform Module, version 1.2) and briefly discuss SRTM versus DRTM. This post demonstrates how to extract Intel microcode updates from a Lenovo firmware update using UEFItool and subsequently use an 010 Editor template to extract useful information from the extracted Intel microcode updates. This post discusses the UEFI 2.4 Random Number Generator protocol and Lenovo’s current implementation of the protocol and suggests there is an error in their implementation. |
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