security

Introduction to SBOM management on embedded Linux

Posted on April 6, 2023 | 8 minutes | Sergio Prado

In this article, we will learn the basic concepts of SBOM (Software Bill of Materials) and how it can be generated and managed on embedded Linux with the Yocto Project. [Read More]

security yocto-project

Asymmetric-Key Encryption and Digital Signatures in Practice

Posted on January 18, 2023 | 8 minutes | Sergio Prado

In this article, we will learn how asymmetric-key encryption and digital signatures work from a practical perspective. [Read More]

security encryption

A hands-on approach to symmetric-key encryption

Posted on January 3, 2023 | 7 minutes | Sergio Prado

In this article, we will learn how symmetric-key encryption works from a practical perspective. [Read More]

security encryption

Introduction to encryption for embedded Linux developers

Posted on December 12, 2022 | 7 minutes | Sergio Prado

This article is an introduction to encryption for embedded Linux developers. [Read More]

linux security

Introduction to Embedded Linux Security - part 2

Posted on November 7, 2020 | 14 minutes | Sergio Prado

This is the second part of the article about embedded Linux security. [Read More]

security linux

Introduction to Embedded Linux Security - part 1

Posted on September 6, 2020 | 12 minutes | Sergio Prado

This article is going to be an introduction to embedded Linux security. [Read More]

security linux

Introduction to Trusted Execution Environment and ARM's TrustZone

Posted on March 16, 2020 | 9 minutes | Sergio Prado

A Trusted Execution Environment (TEE) is an environment where the code executed and the data accessed is isolated and protected in terms of confidentiality (no one have access to the data) and integrity (no one can change the code and its behavior). [Read More]

security tee

Extracting firmware from devices using JTAG

Posted on February 20, 2020 | 17 minutes | Sergio Prado

JTAG is a physical hardware interface that makes it possible, among other things, to extract the firmware image from electronic devices. [Read More]

security reverse-engineering

Reverse engineering my router's firmware with binwalk

Posted on February 6, 2020 | 12 minutes | Sergio Prado

A few days ago I decided to reverse engineer my router’s firmware image with binwalk. [Read More]

security reverse-engineering