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<!DOCTYPE html><html lang="en-US"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,height=device-height,initial-scale=1.0"><meta name="apple-mobile-web-app-capable" content="yes"><meta http-equiv="X-UA-Compatible" content="ie=edge"><meta property="og:type" content="website"><meta name="twitter:card" content="summary"><style>@media screen{body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button{-webkit-tap-highlight-color:transparent;-webkit-appearance:none;appearance:none;background-color:transparent;border:0;color:inherit;cursor:pointer;font-size:inherit;opacity:.8;outline:none;padding:0;transition:opacity .2s linear}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:disabled,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:disabled,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:disabled,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:disabled{cursor:not-allowed;opacity:.15!important}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:hover,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:hover,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:hover,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:hover{opacity:1}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:active,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:active,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:hover:active,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:hover:active{opacity:.6}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:not(:disabled),body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:not(:disabled),body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:hover:not(:disabled),body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:hover:not(:disabled){transition:none}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=prev],body[data-bespoke-view=next] 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/*!
* Marp default theme.
*
* @theme default
* @author Yuki Hattori
*
* @auto-scaling true
* @size 16:9 1280px 720px
* @size 4:3 960px 720px
*/div#\:\$p>svg>foreignObject>section,div#\:\$p>svg>foreignObject>section 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.pl-ii{background-color:var(--color-prettylights-syntax-invalid-illegal-bg);color:var(--color-prettylights-syntax-invalid-illegal-text)}div#\:\$p>svg>foreignObject>section .pl-c2{background-color:var(--color-prettylights-syntax-carriage-return-bg);color:var(--color-prettylights-syntax-carriage-return-text)}div#\:\$p>svg>foreignObject>section .pl-sr .pl-cce{color:var(--color-prettylights-syntax-string-regexp);font-weight:700}div#\:\$p>svg>foreignObject>section .pl-ml{color:var(--color-prettylights-syntax-markup-list)}div#\:\$p>svg>foreignObject>section .pl-mh,div#\:\$p>svg>foreignObject>section .pl-mh .pl-en,div#\:\$p>svg>foreignObject>section .pl-ms{color:var(--color-prettylights-syntax-markup-heading);font-weight:700}div#\:\$p>svg>foreignObject>section .pl-mi{color:var(--color-prettylights-syntax-markup-italic);font-style:italic}div#\:\$p>svg>foreignObject>section .pl-mb{color:var(--color-prettylights-syntax-markup-bold);font-weight:700}div#\:\$p>svg>foreignObject>section .pl-md{background-color:var(--color-prettylights-syntax-markup-deleted-bg);color:var(--color-prettylights-syntax-markup-deleted-text)}div#\:\$p>svg>foreignObject>section .pl-mi1{background-color:var(--color-prettylights-syntax-markup-inserted-bg);color:var(--color-prettylights-syntax-markup-inserted-text)}div#\:\$p>svg>foreignObject>section .pl-mc{background-color:var(--color-prettylights-syntax-markup-changed-bg);color:var(--color-prettylights-syntax-markup-changed-text)}div#\:\$p>svg>foreignObject>section .pl-mi2{background-color:var(--color-prettylights-syntax-markup-ignored-bg);color:var(--color-prettylights-syntax-markup-ignored-text)}div#\:\$p>svg>foreignObject>section .pl-mdr{color:var(--color-prettylights-syntax-meta-diff-range);font-weight:700}div#\:\$p>svg>foreignObject>section .pl-ba{color:var(--color-prettylights-syntax-brackethighlighter-angle)}div#\:\$p>svg>foreignObject>section .pl-sg{color:var(--color-prettylights-syntax-sublimelinter-gutter-mark)}div#\:\$p>svg>foreignObject>section .pl-corl{color:var(--color-prettylights-syntax-constant-other-reference-link);text-decoration:underline}div#\:\$p>svg>foreignObject>section g-emoji{display:inline-block;font-family:Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;font-size:1em;font-style:normal!important;font-weight:var(--base-text-weight-normal,400);line-height:1;min-width:1ch;vertical-align:-.075em}div#\:\$p>svg>foreignObject>section g-emoji img{height:1em;width:1em}div#\:\$p>svg>foreignObject>section .task-list-item{list-style-type:none}div#\:\$p>svg>foreignObject>section .task-list-item label{font-weight:var(--base-text-weight-normal,400)}div#\:\$p>svg>foreignObject>section .task-list-item.enabled label{cursor:pointer}div#\:\$p>svg>foreignObject>section .task-list-item+.task-list-item{margin-top:4px}div#\:\$p>svg>foreignObject>section .task-list-item .handle{display:none}div#\:\$p>svg>foreignObject>section 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50%))}div#\:\$p>svg>foreignObject>section[data-marpit-advanced-background=background]>div[data-marpit-advanced-background-container]>figure{all:initial;background-position:center;background-repeat:no-repeat;background-size:cover;flex:auto;margin:0}div#\:\$p>svg>foreignObject>section[data-marpit-advanced-background=background]>div[data-marpit-advanced-background-container]>figure>figcaption{position:absolute;border:0;clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;white-space:nowrap;width:1px}div#\:\$p>svg>foreignObject>section[data-marpit-advanced-background=content],div#\:\$p>svg>foreignObject>section[data-marpit-advanced-background=pseudo]{background:transparent!important}div#\:\$p>svg>foreignObject>section[data-marpit-advanced-background=pseudo],div#\:\$p>svg[data-marpit-svg]>foreignObject[data-marpit-advanced-background=pseudo]{pointer-events:none!important}div#\:\$p>svg>foreignObject>section[data-marpit-advanced-background-split]{width:100%;height:100%}</style></head><body><div class="bespoke-marp-osc"><button data-bespoke-marp-osc="prev" tabindex="-1" title="Previous slide">Previous slide</button><span data-bespoke-marp-osc="page"></span><button data-bespoke-marp-osc="next" tabindex="-1" title="Next slide">Next slide</button><button data-bespoke-marp-osc="fullscreen" tabindex="-1" title="Toggle fullscreen (f)">Toggle fullscreen</button><button data-bespoke-marp-osc="presenter" tabindex="-1" title="Open presenter view (p)">Open presenter view</button></div><div id=":$p"><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="1" data-marpit-scope-qSx68BHT="" data-class="invert title" data-paginate="skip" data-footer=" " data-theme="donjon" lang="en-US" class="invert title" style="--class:invert title;--paginate:skip;--footer: ;--theme:donjon;">
<h1 id="enter-the-donjon"><strong>Enter The Donjon</strong></h1>
<h1 id="a-practical-laser-attack-on-the-go">A practical laser attack on the go</h1>
<h2 id="workshop-06---grehack-24">Workshop 06 - Grehack 24</h2>
<footer><img src="logo.png" alt="" style="height:2cm;" /> <img src="img/donjon-logo.svg" alt="" style="height:2cm;" /></footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="2" data-class="invert" data-paginate="true" data-header="Agenda" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="1" style="--class:invert;--paginate:true;--header:Agenda;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Agenda</header>
<h1 id="agenda">Agenda</h1>
<h2 id="fault-injection-principles">Fault injection principles</h2>
<h2 id="attack-of-the-onekey-mini">Attack of the OneKey Mini</h2>
<h2 id="live-execution">Live execution</h2>
<h2 id="workarounds-and-questions">Workarounds and questions</h2>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="3" data-marpit-scope-18KTIc15="" data-class="invert" data-paginate="true" data-header="Fault injection principles" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="2" style="--class:invert;--paginate:true;--header:Fault injection principles;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Fault injection principles</header>
<h1 id="fault-injection-what-is-it">Fault Injection? What is it?</h1>
<div style="margin-top: 3cm;">
<p><img src="img/cpu.svg" alt="" style="width:2.2cm;height:2cm;" /> Hardware</p>
<p><span class="emoji"><img class="emoji" draggable="false" alt="⚡" src="https://cdn.jsdelivr.net/gh/jdecked/[email protected]/assets/svg/26a1.svg" data-marp-twemoji=""/>️</span>Physical perturbation</p>
<p><img src="img/gear.svg" alt="" style="width:2.2cm;height:2cm;" /> Process deflection</p>
</div>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
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<header>Fault injection principles</header>
<h1 id="unauthorized-access">Unauthorized access</h1>
<TABLE border="1">
<TR>
<TD rowspan="3"> <img style="height:5cm" src="img/cpu-locked.svg" /> </TD>
<TD style="height:2cm"></TD>
<TD rowspan="3"> <img style="height:5cm" src="img/cpu-locked.svg" /> </TD>
</TR>
<TR>
<TD><tt>-------------------></tt></TD>
</TR>
<TR>
<TD style="height:2cm"><img style="height:2cm" src="img/gear.svg" /></TD>
<TR>
</TR>
<TD><tt>^</tt><br /><tt>|</tt></TD>
<TD style="vertical-align:bottom"></TD>
<TD><tt>|</tt><br /><tt>|</tt></TD>
</TR>
<TR>
<TD><img style="height:3cm" src="img/computer-angel.svg" />
<TD colspan="2" style="text-align:left;vertical-align:top"><tt> |</tt><br /><tt><-------------------------+</tt><br /><img style="height:1cm;padding-left:150px" src="img/cancel.svg" /></TD>
</TR>
</TABLE>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="5" data-marpit-scope-vhZ2Kwu8="" data-class="invert" data-paginate="true" data-header="Fault injection principles" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="4" style="--class:invert;--paginate:true;--header:Fault injection principles;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Fault injection principles</header>
<h1 id="unauthorized-access---faulted">Unauthorized access - <strong>Faulted</strong></h1>
<TABLE border="1">
<TR>
<TD rowspan="3"> <img style="height:5cm" src="img/cpu-locked.svg" /> </TD>
<TD style="height:2cm"><span class="emoji">⚡️</span></TD>
<TD rowspan="3"> <img style="height:5cm" src="img/cpu-unlocked.svg" /> </TD>
</TR>
<TR>
<TD><tt>-------------------></tt></TD>
</TR>
<TR>
<TD style="height:2cm"><img style="height:2cm" src="img/gear.svg" /></TD>
<TR>
</TR>
<TD><tt>^</tt><br /><tt>|</tt></TD>
<TD style="vertical-align:bottom"></TD>
<TD><tt>|</tt><br /><tt>|</tt></TD>
</TR>
<TR>
<TD><img style="height:3cm" src="img/computer-evil.svg" />
<TD colspan="2" style="text-align:left;vertical-align:top"><tt> |</tt><br /><tt><-------------------------+</tt><br /><img style="height:1.5cm;padding-left:150px" src="img/ok.svg" /></TD>
</TR>
</TABLE>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="6" data-marpit-scope-KpxIxkRU="" data-class="invert" data-paginate="true" data-header="Fault injection principles" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="5" style="--class:invert;--paginate:true;--header:Fault injection principles;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Fault injection principles</header>
<h1 id="%E2%9A%A1%EF%B8%8F-physical-perturbation-types"><img class="emoji" draggable="false" alt="⚡" src="https://cdn.jsdelivr.net/gh/jdecked/[email protected]/assets/svg/26a1.svg" data-marp-twemoji=""/>️ Physical perturbation types</h1>
<table>
<thead>
<tr>
<th style="text-align:center">Power glitch</th>
<th style="text-align:center">FBBI</th>
<th style="text-align:center">EMFI</th>
<th style="text-align:center">Laser</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center">Power cut</td>
<td style="text-align:center">Voltage on the die</td>
<td style="text-align:center">EM field</td>
<td style="text-align:center">Illumination</td>
</tr>
<tr>
<td style="text-align:center"><img style="height:8cm" src="img/cpu-glitch.svg" /></td>
<td style="text-align:center"><img style="height:8cm" src="img/cpu-fbbi.svg" /></td>
<td style="text-align:center"><img style="height:8cm" src="img/cpu-emfi.svg" /></td>
<td style="text-align:center"><img style="height:8cm" src="img/cpu-laser.svg" /></td>
</tr>
</tbody>
</table>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="7" data-class="invert title" data-paginate="skip" data-theme="donjon" lang="en-US" class="invert title" style="--class:invert title;--paginate:skip;--theme:donjon;">
<h1 id="attack-of-the-onekey-mini-1">Attack of the OneKey Mini</h1>
<h2 id="laser-on-atecc"><strong>Laser on ATECC</strong></h2>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="8" data-class="invert" data-paginate="true" data-header="Attack of the OneKey Mini" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="6" style="--class:invert;--paginate:true;--header:Attack of the OneKey Mini;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Attack of the OneKey Mini</header>
<h1 id="the-target-of-evaluation">The Target Of Evaluation</h1>
<div style="display:flex; align-items:end; margin-top: auto; margin-bottom: auto;">
<figure style="display:flex; align-items:center; flex-direction:column; flex:auto;">
<div style="height:10cm; width:5cm; display:flex; align-items:center; gap:1cm;">
<img src="img/ATECC608A.png" alt="ATECC608A" />
</div>
<figcaption style="color:rgb(106,125,126); text-align: center;">ATECC608A</figcaption>
</figure>
<figure style="display:flex; align-items:center; flex-direction:column; flex:auto">
<div style="display:flex; flex-direction:row; align-items:center; gap:1cm;">
<img src="img/onekey-mini.png" alt="OneKey" style="height:8cm;" />
<img src="img/onekey.png" alt="OneKey" style="height:8cm;" />
</div>
<figcaption style="margin:auto; text-align: center; color:rgb(106,125,126)">One Key Mini</figcaption>
</figure>
</div>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="9" data-class="invert" data-paginate="true" data-header="Attack of the OneKey Mini" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="7" style="--class:invert;--paginate:true;--header:Attack of the OneKey Mini;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Attack of the OneKey Mini</header>
<h1 id="the-bench">The Bench</h1>
<div style="display:flex; align-items:end; margin-top: auto; margin-bottom: auto;">
<figure style="display:flex; align-items:center; flex-direction:column; flex:auto">
<div style="display:flex; flex-direction:row; gap:1cm;">
<img src="img/laser-bench.png" alt="Laser Bench" style="height:10cm;" />
</div>
<figcaption style="text-align:center; color:rgb(106,125,126)">Laser Bench</figcaption>
</figure>
<figure style="display:flex; align-items:center; flex-direction:column; flex:auto">
<div style="display:flex; flex-direction:row; gap:1cm;">
<img src="img/onekey-daughter.png" alt="Daughter Board" style="height:10cm;" />
</div>
<figcaption style="text-align:center; color:rgb(106,125,126)">Daughter Board</figcaption>
</figure>
</div>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="10" data-class="invert" data-paginate="true" data-header="Attack of the OneKey Mini" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="8" style="--class:invert;--paginate:true;--header:Attack of the OneKey Mini;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Attack of the OneKey Mini</header>
<h1 id="the-attack">The Attack</h1>
<div style="--color-prettylights-syntax-comment:green;">
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-python"><span class="hljs-comment"># Authorized request</span>
atecc.nonce()
atecc.gen_dig(<span class="hljs-number">1</span>, atecc.KEY_SLOT1)
atecc.read(slot=<span class="hljs-number">6</span>) ^ atecc.temp_key
<span class="hljs-comment"># SUCCESS</span>
</code></pre>
</div>
<div style="--color-prettylights-syntax-comment:firebrick;">
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-python"><span class="hljs-comment"># Unauthorized request</span>
atecc.nonce()
atecc.gen_dig(<span class="hljs-number">14</span>, atecc.KEY_SLOT14)
atecc.read(slot=<span class="hljs-number">6</span>) ^ atecc.temp_key
<span class="hljs-comment"># EXECUTION_ERROR</span>
</code></pre>
</div>
<div style="--color-prettylights-syntax-comment:orange;">
<pre is="marp-pre" data-auto-scaling="downscale-only"><code class="language-python"><span class="hljs-comment"># Faulted request</span>
atecc.nonce()
atecc.gen_dig(<span class="hljs-number">14</span>, atecc.KEY_SLOT14)
atecc.read(slot=<span class="hljs-number">6</span>, trigger=I2CTrigger.END.value) ^ atecc.temp_key
<span class="hljs-comment"># EXECUTION_ERROR / TIMEOUT / SUCCESS / ...</span>
</code></pre>
</div>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="11" data-class="invert" data-paginate="true" data-header="Attack of the OneKey Mini" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="9" style="--class:invert;--paginate:true;--header:Attack of the OneKey Mini;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Attack of the OneKey Mini</header>
<h1 id="the-attack-1">The Attack</h1>
<figure style="display:flex; align-items:center; flex-direction:row; flex:auto; gap:5mm">
<img src="img/unauthorized-authorized.png" alt="Unauthorized access" style="height:13cm;" />
<div style="display:flex; align-items:start; flex-direction:column; flex:auto; gap:3cm">
<figcaption style="text-align:left; display:flex; align-items:start; flex-direction:column; flex:auto; gap:3cm;"><span style="color:rgb(106,125,126)">Unauthorized access</span><span style="color:rgb(131,184,57)">Authorized access</span></figcaption>
</div>
</figure>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="12" data-marpit-scope-1xVLIzIc="" data-class="invert" data-paginate="true" data-header="Attack of the OneKey Mini" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="10" style="--class:invert;--paginate:true;--header:Attack of the OneKey Mini;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Attack of the OneKey Mini</header>
<h1 id="the-attack-2">The Attack</h1>
<p><img src="https://pbs.twimg.com/media/FxoxQrLXgAISK_D?format=jpg&name=medium" alt="" style="height:12cm;" /></p>
<p><a href="https://hardwear.io/archives/usa-2023/">https://hardwear.io/archives/usa-2023/</a></p>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="13" data-class="invert title" data-theme="donjon" lang="en-US" class="invert title" style="--class:invert title;--theme:donjon;">
<h1 id="lets-do-it">Let's do it!</h1>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="14" data-marpit-scope-HkPPJaNG="" data-class="invert" data-paginate="true" data-header="Live execution" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="12" style="--class:invert;--paginate:true;--header:Live execution;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Live execution</header>
<h1 id="perturbed-executions">Perturbed executions</h1>
<figure>
<img src="img/gendig-noperturbation.png" />
<figcaption style="color:rgb(106,125,126)">No perturbation</figcaption>
</figure>
<figure>
<img src="img/gendig-oneperturbation.png" />
<figcaption style="color:rgb(222,149,102)">One perturbation</figcaption>
</figure>
<figure>
<img src="img/gendig-twoperturbations.png" />
<figcaption style="color:rgb(238,138,159)">Two perturbations</figcaption>
</figure>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="15" data-class="invert" data-paginate="true" data-header="Live execution" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="13" style="--class:invert;--paginate:true;--header:Live execution;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Live execution</header>
<h1 id="scan-result-1-day-execution">Scan Result <strong>~1 day execution</strong></h1>
<div style="margin:auto; display: flex; gap:1cm; align-items:center;">
<p><img src="img/ScanResult.png" alt="Scan Result" style="height:10cm;" /></p>
<div style="display: flex; flex-direction: column">
<span>No effect: Transparent</span>
<span style="color:rgb(0,255,0)">SUCCESS</span>
<span style="color:rgb(128, 0, 0)">I2C Nack</span>
<span style="color:rgb(255, 0, 0)">Timeout</span>
<span style="color:rgb(128, 0, 128)">ECC_FAULT</span>
<span style="color:rgb(0, 255, 255)">AFTER_WAKE</span>
<span style="color:rgb(0, 0, 128)">HEALTH_TEST_ERROR</span>
<span style="color:rgb(128, 128, 0)">PARSE_ERROR</span>
</div>
</div>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="16" data-class="invert" data-paginate="true" data-header="Live execution" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="14" style="--class:invert;--paginate:true;--header:Live execution;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Live execution</header>
<h1 id="scan-result-atecc608b--aes">Scan Result <strong>ATECC608B / AES</strong></h1>
<div style="margin:auto">
<p><img src="img/attack_aes_608b.png" alt="" style="height:12cm;" /></p>
</div>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="17" data-class="invert" data-paginate="true" data-header="Live execution" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="15" style="--class:invert;--paginate:true;--header:Live execution;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Live execution</header>
<h1 id="scan-result-atecc508a">Scan Result <strong>ATECC508A</strong></h1>
<div style="display:flex; flex-direction:row; gap: 1cm;align-items:center; margin:auto">
<p><img src="img/atecc508a-20x-contrast.png" alt="" style="height:13cm;" /></p>
<p><img src="img/laser-big.png" alt="" style="height:9cm;" /></p>
</div>
</div>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="18" data-class="invert title" data-theme="donjon" lang="en-US" class="invert title" style="--class:invert title;--theme:donjon;">
<h1 id="corrections-and-countermeasures">Corrections and countermeasures</h1>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="19" data-class="invert" data-paginate="true" data-header="Corrections and countermeasures" data-footer="Enter The Donjon: A practical laser attack on the go - Grehack 24" data-theme="donjon" lang="en-US" class="invert" data-marpit-pagination="17" style="--class:invert;--paginate:true;--header:Corrections and countermeasures;--footer:Enter The Donjon: A practical laser attack on the go - Grehack 24;--theme:donjon;" data-marpit-pagination-total="17">
<header>Corrections and countermeasures</header>
<h1 id="from-the-chip-provider">From the chip provider</h1>
<h2 id="physical-countermeasures">Physical countermeasures</h2>
<ul>
<li>Jitter</li>
<li>Laser detectors</li>
<li>Fault counting...</li>
</ul>
<h1 id="from-the-constructor">From the constructor</h1>
<h2 id="implement-a-good-configuration">Implement a good configuration</h2>
<ul>
<li>Lock all unecessary slots</li>
<li>Use convenient features</li>
</ul>
<footer>Enter The Donjon: A practical laser attack on the go - Grehack 24</footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="20" data-marpit-scope-iUonLPwm="" data-class="invert title" data-paginate="skip" data-theme="donjon" lang="en-US" class="invert title" style="--class:invert title;--paginate:skip;--theme:donjon;">
<h1 id="thank-you-for-your-attention">Thank you for your attention</h1>
<h2 id="questions">Questions?</h2>
<br />
<p><img src="qrlink.png" alt="" style="height:7cm;" /></p>
<p><a href="https://donjon.ledger.com/enter-the-donjon-grehack24">https://donjon.ledger.com/enter-the-donjon-grehack24</a></p>
</section>
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