<div><br></div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sun, Oct 4, 2026 at 17:18 zeb--- via cryptography <<a href="mailto:cryptography@metzdowd.com">cryptography@metzdowd.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" dir="auto">> From: Jens Weber<br>
> Sent: Thursday, 1 October 2026 23:35<br>
> To: <a href="mailto:cryptography@metzdowd.com" target="_blank">cryptography@metzdowd.com</a><br>
> Subject: Re: [Cryptography] Cryptographic feasibility of a decentralized trust infrastructure without a master key<br>
> <br>
> Ideally, AI functions would operate only within narrowly authorized contexts and should not require a global view of all sensitive data.<br>
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I think Data would disagree. I do too.</blockquote><div dir="auto"><br>Data as in Star Trek 😳</div><div dir="auto"><br></div><div dir="auto">Large systems, disagreement is expected.</div><div dir="auto">So build a Ven-diagram of owners, consumers, customers, users AND abusers of the data and system.</div><div dir="auto">A second diagrammatic view of applicable laws including a globe of governments AND note that laws are dynamic. So any partitioning and mandatory access lists must be ephemeral. Even necessary audit data will have bounds.</div><div dir="auto"><br></div><div dir="auto">AI functions are interesting, map mandatory access controls into AI systems much as one might for an SQL data system. The Rainbow Series for trusted systems evaluation is a start. No application will be considered secure if the platform (model) is not secure. </div><div dir="auto"><br></div><div dir="auto">Addition of features needs to be considered. In high school math I was taught the value of factorial computing. I was also taught about orders of infinity. The difference between two giant (infinite) sets can be small — see Aleph-null vs. Aleph-1</div><div dir="auto">The implied combinations of “stuff” gets large quickly. <=== this</div></div></div>