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List UEFI Secure Boot Certificate Contents

In this post, I dive deep into UEFI Authenticated Variables to show you how UEFI Secure Boot is implemented. I also provide the source code for a simple UEFI utility which outputs information about the X.509 certificates in the Secure Boot keys.

OpenSSL DES APIs

This post examines what support is provided by OpenSSL v1.0 for the Data Encryption Standard (DES) and provides simple examples of how to used the provided application programming interfaces. A brief overview of DES and the algorithmic implementation of DES known as Data Encryption Algorithm (DEA) is also provided.