POSIX Way to Check User Input in Shell Scripts

This post discusses how to validate both localized and non-localized user input in the POSIX shell.

Installing and Configuring UDK2017 on Fedora 26

In this post, I show you how to install and configure UDK2017 on Fedora 26. I also show you how to build a simple HelloWorld UEFI application using the installed UDK2017 tools and environment.

UEFI Utility to Read TPM 2.0 PCRs

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.

Utilities for Parsing Intel Microcode

This post discusses how to convert and parse Intel microcode files for Linux systems and provides two Python 3 scripts to assist you in this task.

Examining Intel Microcode in Lenovo Firmware Updates

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.