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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="HandheldFriendly" content="True" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="robots" content="" />
<link href="https://fonts.googleapis.com/css2?family=Source+Code+Pro:ital,wght@0,400;0,700;1,400&family=Source+Sans+Pro:ital,wght@0,300;0,400;0,700;1,400&display=swap" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="https://apalos.github.io/theme/stylesheet/style.min.css">
<link id="pygments-light-theme" rel="stylesheet" type="text/css"
href="https://apalos.github.io/theme/pygments/github.min.css">
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<link href="https://apalos.github.io/feeds/all.atom.xml" type="application/atom+xml" rel="alternate" title="Volatile rumblings Atom">
<meta name="author" content="Ilias Apalodimas" />
<meta name="description" content="" />
<meta property="og:site_name" content="Volatile rumblings"/>
<meta property="og:type" content="blog"/>
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<meta property="og:locale" content="en_US"/>
<meta property="og:url" content="https://apalos.github.io"/>
<meta property="og:image" content="site_images/profile.png">
<title>Volatile rumblings</title>
</head>
<body class="light-theme">
<aside>
<div>
<a href="https://apalos.github.io">
<img src="site_images/profile.png" alt="" title="">
</a>
<h1>
<a href="https://apalos.github.io"></a>
</h1>
<p>Volatile rumblings</p>
<nav>
<ul class="list">
<li>
<a target="_self" href="http://github.com/Xdp-project" >XDP</a>
</li>
</ul>
</nav>
<ul class="social">
<li>
<a class="sc-github" href="https://github.com/apalos" target="_blank">
<i class="fab fa-github"></i>
</a>
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<nav>
<a href="https://apalos.github.io">Home</a>
<a href="/archives.html">Archives</a>
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<a href="/tags.html">Tags</a>
<a href="https://apalos.github.io/feeds/all.atom.xml">Atom</a>
</nav>
<article>
<header>
<h2><a href="https://apalos.github.io/Measured boot on DeveloperBox.html#Measured boot on DeveloperBox">(Cheap) UEFI Measured boot on DeveloperBox</a></h2>
<p>
Posted on Fri 21 January 2022 in <a href="https://apalos.github.io/category/uefi.html">UEFI</a>
• Tagged with
<a href="https://apalos.github.io/tag/bootloaders.html">Bootloaders</a>, <a href="https://apalos.github.io/tag/security.html">Security</a>, <a href="https://apalos.github.io/tag/u-boot.html">U-Boot</a>, <a href="https://apalos.github.io/tag/uefi.html">UEFI</a>, <a href="https://apalos.github.io/tag/tpm.html">TPM</a>, <a href="https://apalos.github.io/tag/measured-boot.html">Measured Boot</a>, <a href="https://apalos.github.io/tag/secure-boot.html">Secure Boot</a>
• 5 min read
</p>
</header>
<div>
<p>UEFI Secure and measured Boot is the minimal basis for a trustworthy device nowadays. <br> Let's take a look on how modern U-Boot with the help of OP-TEE can provide that without any specialized hardware.</p>
<br>
<a class="btn"
href="https://apalos.github.io/Measured boot on DeveloperBox.html#Measured boot on DeveloperBox">
Continue reading
</a>
</div>
<hr />
</article>
<article>
<header>
<h2><a href="https://apalos.github.io/EFI TCG2 protocol in U-Boot and QEMU.html#EFI TCG2 protocol in U-Boot and QEMU">EFI TCG2 protocol in U-Boot and QEMU</a></h2>
<p>
Posted on Tue 31 August 2021 in <a href="https://apalos.github.io/category/uefi.html">UEFI</a>
• Tagged with
<a href="https://apalos.github.io/tag/bootloaders.html">Bootloaders</a>, <a href="https://apalos.github.io/tag/security.html">Security</a>, <a href="https://apalos.github.io/tag/u-boot.html">U-Boot</a>, <a href="https://apalos.github.io/tag/uefi.html">UEFI</a>, <a href="https://apalos.github.io/tag/tpm.html">TPM</a>
• 5 min read
</p>
</header>
<div>
<p>TPMs are starting to play an important role in system security and integrity. <br>So let's take a look on the latest U-Boot additions enabling TPMs when booting with UEFI</p>
<br>
<a class="btn"
href="https://apalos.github.io/EFI TCG2 protocol in U-Boot and QEMU.html#EFI TCG2 protocol in U-Boot and QEMU">
Continue reading
</a>
</div>
<hr />
</article>
<article>
<header>
<h2><a href="https://apalos.github.io/Protected UEFI variables with U-Boot.html#Protected UEFI variables with U-Boot">Protected UEFI variables with U-Boot</a></h2>
<p>
Posted on Sat 19 December 2020 in <a href="https://apalos.github.io/category/uefi.html">UEFI</a>
• Tagged with
<a href="https://apalos.github.io/tag/bootloaders.html">Bootloaders</a>, <a href="https://apalos.github.io/tag/security.html">Security</a>, <a href="https://apalos.github.io/tag/u-boot.html">U-Boot</a>, <a href="https://apalos.github.io/tag/uefi.html">UEFI</a>, <a href="https://apalos.github.io/tag/arm.html">Arm</a>
• 5 min read
</p>
</header>
<div>
<p>Critical system variables, like the UEFI ones, must be protected against a variety of attacks. <br>On Arm servers and desktops, which typically run EDK2, dedicated flashes are used. Those <br> would normally be accessible from the secure world only, since they are storing critical <br> variables for our systems integrity and security. <br><br> But what's the status of devices running on U-Boot?</p>
<br>
<a class="btn"
href="https://apalos.github.io/Protected UEFI variables with U-Boot.html#Protected UEFI variables with U-Boot">
Continue reading
</a>
</div>
</article>
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</div>
<footer>
<p>© </p>
<p>
Built with <a href="http://getpelican.com" target="_blank">Pelican</a> using <a href="http://bit.ly/flex-pelican" target="_blank">Flex</a> theme
</p> </footer>
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{
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