<html><head></head><body>I have dealt with a similar problem in real life, as a real problem with real people.<br><br>We created a custom Linux environment, burned it to Blu-Ray, and Alice crossed the border with her Linux environment tucked into her CD player.<br><br>On the other side she acquired a laptop, Blu-Ray drive, and USB drive locally, booted into this custom environment, then flashed her BIOS and gave her drives a low-level format.<br><br>Rebooting into Linux (to reduce the likelihood of BIOS-based malware being present in memory) she used her system normally, although never touching the local hard drive. All storage was on USB stick.<br><br>Prior to departing the country she wiped the laptop hard drive and donated it to a school. The Blu-Ray disc and USB drive were physically destroyed and discreetly dumped.<br><br>I am not at liberty to say who Alice was, where she was, or why her needs were so extreme. But yes, we actually did this.<br><br><br><div class="gmail_quote">On May 3, 2021 4:24:01 AM CDT, Stefan Vasilev via Gnupg-users <gnupg-users@gnupg.org> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">Hi all,<br><br>here is a little scenario. Alice and Bob needs to find a way to do <br>encrypted communications globally.<br><br>The task is the following: Alice needs to travel to a foreign country <br>without any devices (laptop, smartphone etc.).<br><br>At arrival she needs to communicate daily (no real time communications) <br>with Bob to exchange encrypted documents.<br><br>Alice is not allowed to login in any services, like her Gmail account, <br>social media etc. to not reveal her login credentials.<br><br>She can't use Tor, because at her destination Tor is blocked. The only <br>option she has is to use Internet Cafés or public libraries etc.<br><br>She is aware that at an Internet Café keyloggers may be installed. Last <br>but not least she does not carry any notices on paper with her.<br><br><br>How would you solve this task?<br><br><br>Regards<br><br>Stefan<hr>Gnupg-users mailing list<br>Gnupg-users@gnupg.org<br><a href="http://lists.gnupg.org/mailman/listinfo/gnupg-users">http://lists.gnupg.org/mailman/listinfo/gnupg-users</a></pre></blockquote></div><br>-- <br>Sent from my Android device with K-9 Mail. Please excuse my brevity.</body></html>