https://sergioprado.blog/ Recent content on sergioprado.blog Hugo -- gohugo.io en Thu, 02 Apr 2026 00:00:00 -0300 https://sergioprado.blog/breaking-the-console-a-brief-history-of-video-game-security/ Thu, 02 Apr 2026 00:00:00 -0300 https://sergioprado.blog/breaking-the-console-a-brief-history-of-video-game-security/ Video game security has always been a moving target, as consoles evolved to full-blown computing platforms locked down with layers of protection — but for every lock ever invented, there has always been someone determined to pick it. https://sergioprado.blog/talks/ Mon, 08 Apr 2024 00:00:01 -0300 https://sergioprado.blog/talks/ List of talks I have presented in recent years, including links to slides and recording, when available: https://sergioprado.blog/what-are-random-numbers-and-how-they-are-managed-on-linux/ Tue, 20 Feb 2024 04:00:00 -0300 https://sergioprado.blog/what-are-random-numbers-and-how-they-are-managed-on-linux/ In this article, we will deep dive into the major concepts behind random numbers and learn how to work with them on a Linux system. https://sergioprado.blog/debugging-the-linux-kernel-with-gdb/ Wed, 17 Jan 2024 06:41:45 -0300 https://sergioprado.blog/debugging-the-linux-kernel-with-gdb/ In this article, we will learn how to debug the Linux kernel on an embedded Linux system with GDB. https://sergioprado.blog/introduction-to-tpm-trusted-platform-module/ Wed, 11 Oct 2023 02:00:00 -0300 https://sergioprado.blog/introduction-to-tpm-trusted-platform-module/ TPM (Trusted Platform Module) is an international standard that enables trust in computing platforms in general, providing several security-related features for computer systems, including hashing, encryption, signing, random number generation, and many more! https://sergioprado.blog/rpmb-a-secret-place-inside-the-emmc/ Tue, 13 Jun 2023 05:00:00 -0100 https://sergioprado.blog/rpmb-a-secret-place-inside-the-emmc/ Do you know there is a dedicated partition in the eMMC called RPMB that makes it possible to store data with integrity and authenticity support? https://sergioprado.blog/introduction-to-sbom-management-on-embedded-linux/ Thu, 06 Apr 2023 06:00:00 -0300 https://sergioprado.blog/introduction-to-sbom-management-on-embedded-linux/ 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. https://sergioprado.blog/asymmetric-key-encryption-and-digital-signatures-in-practice/ Wed, 18 Jan 2023 06:00:00 -0300 https://sergioprado.blog/asymmetric-key-encryption-and-digital-signatures-in-practice/ In this article, we will learn how asymmetric-key encryption and digital signatures work from a practical perspective. https://sergioprado.blog/a-hands-on-approach-to-symmetric-key-encryption/ Tue, 03 Jan 2023 06:00:00 -0300 https://sergioprado.blog/a-hands-on-approach-to-symmetric-key-encryption/ In this article, we will learn how symmetric-key encryption works from a practical perspective. https://sergioprado.blog/introduction-to-encryption-for-embedded-linux-developers/ Mon, 12 Dec 2022 14:04:25 -0300 https://sergioprado.blog/introduction-to-encryption-for-embedded-linux-developers/ This article is an introduction to encryption for embedded Linux developers. https://sergioprado.blog/what-differs-android-from-other-linux-based-systems/ Mon, 05 Apr 2021 14:43:28 -0300 https://sergioprado.blog/what-differs-android-from-other-linux-based-systems/ This article is an introduction to embedded Android from the perspective of an embedded Linux developer. https://sergioprado.blog/introduction-embedded-linux-security-part-2/ Sat, 07 Nov 2020 06:18:24 -0300 https://sergioprado.blog/introduction-embedded-linux-security-part-2/ This is the second part of the article about embedded Linux security. https://sergioprado.blog/introduction-embedded-linux-security-part-1/ Sun, 06 Sep 2020 07:05:24 -0300 https://sergioprado.blog/introduction-embedded-linux-security-part-1/ This article is going to be an introduction to embedded Linux security. https://sergioprado.blog/material-talk-embedded-online-conference-2020/ Wed, 20 May 2020 04:40:54 -0300 https://sergioprado.blog/material-talk-embedded-online-conference-2020/ The Embedded Online Conference is an online conference for embedded systems, DSP, machine learning and FPGA engineers and it is starting today May 20th 2020. https://sergioprado.blog/how-is-the-linux-kernel-tested/ Fri, 27 Mar 2020 06:25:41 -0300 https://sergioprado.blog/how-is-the-linux-kernel-tested/ Have you ever wondered how the Linux kernel is tested? https://sergioprado.blog/introduction-to-trusted-execution-environment-tee-arm-trustzone/ Mon, 16 Mar 2020 21:39:19 -0300 https://sergioprado.blog/introduction-to-trusted-execution-environment-tee-arm-trustzone/ 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). https://sergioprado.blog/slides-of-my-talk-at-embedded-world-2020/ Thu, 05 Mar 2020 22:23:35 -0300 https://sergioprado.blog/slides-of-my-talk-at-embedded-world-2020/ Last week, from February 25th to 27th in Nuremberg, Germany, we had another edition of Embedded World, the leading international fair for embedded systems. https://sergioprado.blog/gcc-extensions-to-the-c-language/ Tue, 03 Mar 2020 11:48:24 -0300 https://sergioprado.blog/gcc-extensions-to-the-c-language/ The GNU Compiler Collection (GCC) provides several language features not found in ISO standard C. https://sergioprado.blog/using-containers-on-embedded-linux/ Fri, 28 Feb 2020 16:35:58 -0300 https://sergioprado.blog/using-containers-on-embedded-linux/ Would it be a good idea to use containers on an embedded Linux system? https://sergioprado.blog/2020-02-20-extracting-firmware-from-devices-using-jtag/ Thu, 20 Feb 2020 09:28:53 -0300 https://sergioprado.blog/2020-02-20-extracting-firmware-from-devices-using-jtag/ JTAG is a physical hardware interface that makes it possible, among other things, to extract the firmware image from electronic devices. https://sergioprado.blog/embedded-world-2020/ Fri, 14 Feb 2020 17:12:03 -0300 https://sergioprado.blog/embedded-world-2020/ From February 25th to 27th in Nuremberg, Germany, we will have another edition of Embedded World, the leading international fair for embedded systems. https://sergioprado.blog/bug-hunting-with-static-analysis-tools/ Thu, 13 Feb 2020 11:17:43 -0300 https://sergioprado.blog/bug-hunting-with-static-analysis-tools/ The best way to spend less time fixing bugs in software is not creating bugs in the first place, and a static analysis tool is perfect for this job. https://sergioprado.blog/reverse-engineering-router-firmware-with-binwalk/ Thu, 06 Feb 2020 08:44:46 -0300 https://sergioprado.blog/reverse-engineering-router-firmware-with-binwalk/ A few days ago I decided to reverse engineer my router’s firmware image with binwalk. https://sergioprado.blog/embedded-online-conference-2020/ Thu, 30 Jan 2020 17:40:54 -0300 https://sergioprado.blog/embedded-online-conference-2020/ The Embedded Online Conference is an online conference for embedded systems, DSP, machine learning and FPGA engineers. https://sergioprado.blog/finding-memory-bugs-with-addresssanitizer/ Tue, 28 Jan 2020 11:13:04 -0300 https://sergioprado.blog/finding-memory-bugs-with-addresssanitizer/ AddressSanitizer (ASan) is an instrumentation tool created by Google security researchers to identify memory access problems in C and C++ programs. https://sergioprado.blog/tracing-the-linux-kernel-with-ftrace/ Thu, 23 Jan 2020 17:16:45 -0300 https://sergioprado.blog/tracing-the-linux-kernel-with-ftrace/ Tracing is a useful technique to find bugs in software, and ftrace is the tracing framework built into the Linux kernel. https://sergioprado.blog/introduction-linux-containers/ Tue, 14 Jan 2020 09:02:10 -0300 https://sergioprado.blog/introduction-linux-containers/ Container technology in general and Linux containers, in particular, have become increasingly popular in recent years. https://sergioprado.blog/new-linux-kernel-gpio-user-space-interface/ Mon, 06 Jan 2020 13:26:02 -0300 https://sergioprado.blog/new-linux-kernel-gpio-user-space-interface/ Since version 4.8 the Linux kernel has a new interface based on character devices for accessing and managing GPIO lines in user space. https://sergioprado.blog/talk-elce-2019/ Mon, 30 Dec 2019 13:28:02 -0300 https://sergioprado.blog/talk-elce-2019/ The slides and video of my talk at Embedded Linux Conference Europe 2019 are available. https://sergioprado.blog/linux-core-dump-analysis/ Mon, 23 Dec 2019 17:15:34 -0300 https://sergioprado.blog/linux-core-dump-analysis/ One of the most effective ways to identify problems in applications that crash is through core dump analysis. https://sergioprado.blog/new-blog-about-embedded-systems/ Thu, 19 Dec 2019 09:52:24 -0300 https://sergioprado.blog/new-blog-about-embedded-systems/ This is going to be my new blog about embedded systems development. https://sergioprado.blog/about-me/ Sat, 14 Dec 2019 10:48:45 -0300 https://sergioprado.blog/about-me/ My name is Sergio Prado and I am from São Paulo, Brazil.