pages/zdm_3: Add pres. for Crosscon CBA

Add a presentation for Crosscon CBA.

Signed-off-by: Mateusz Kusiak <[email protected]>

Author: 3mkusiak

img/0x3/crscn_cba.jpg

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+---
+theme: ./theme
+background: /intro.png
+# some information about your slides (markdown enabled)
+title: 'Context Based Authentication: Identifying host by environment'
+info: false
+# apply unocss classes to the current slide
+class: text-center
+# https://sli.dev/features/drawing
+drawings:
+  persist: false
+# slide transition: https://sli.dev/guide/animations.html#slide-transitions
+transition: slide-left
+# enable MDC Syntax: https://sli.dev/features/mdc
+mdc: true
+---
+
+## Context Based Auth.: Identifying host by environment
+
+<center>
+    <img src="../../img/0x3/tnc.jpg" width="70%" style="margin-left:-20px;">
+</center>
+
+---
+
+## echo $(whoami)
+
+<div class="grid grid-cols-2 gap-8">
+
+<div>
+
+**Mateusz Kusiak**
+
+_Former System Software Development Engineer at Intel_
+
+_Currently a Junior Embedded Systems Developer at 3mdeb_
+
+_Member of the **Zarhus** team_
+
+- <[email protected]>
+- [3mdeb.com](https://3mdeb.com)
+- [Personal site](https://danceswithmachines.github.io/)
+
+</div>
+<div class="flex justify-center items-center">
+<img src="../../img/zarhus_logo.png" height="220px" style="filter: invert(1)"/>
+</div>
+
+</div>
+
+---
+
+## Location based authentication
+
+<v-clicks>
+
+- Issues with classic geofencing
+- Classic CBA
+- RFF (Radio Frequency Fingerprinting)
+- D2D CBA
+- My concerns:
+    + Probing resolution
+    + Why not use classic identifiers: MAC, IP, etc.
+
+</v-clicks>
+
+---
+
+## Crosscon and the stack
+
+<v-clicks>
+
+- CROSSCON (Cross-Platform Open Security Stack for Connected Devices)
+- Main product: [CROSSCON Hypervisor](https://github.com/crosscon/CROSSCON-Hypervisor)
+- Stack...
+    <div class="flex justify-center items-center">
+        <img src="../../img/0x3/tls-uc1-2-cba-integration.png"
+        width=73% style="filter: invert(1)"/>
+    </div>
+
+</v-clicks>
+
+---
+
+## **HARD**ware
+
+<div class="flex justify-center items-center">
+    <img src="../../img/0x3/crscn_cba.jpg" width=52%/>
+</div>
+
+---
+layout: cover
+class: text-center
+---
+
+## Demo
+
+---
+
+## References
+
+References:
+- [Crosscon CBA approach](https://crosscon.eu/sites/crosscon/files/public/content-files/2025-03/D3.1%20CROSSCON%20Open%20Security%20Stack%20Documentation%20%E2%80%90%20Draft_v1.0.pdf)
+- [Crosscon](https://crosscon.eu/)
+- [Crosscon Build system for RPI](https://github.com/crosscon/crosscon-demos-uc12)
+- [Crosscon TLS application](https://github.com/crosscon/uc1-2-integration)
+---
+layout: cover
+---
+
+## Q&A
+
+<center>
+  <img src="../../img/zarhus_logo.png" width="300px"
+   style="margin-left:-20px;filter: invert(1);">
+</center>
+
+---
+src: <SRC>
+---