From 76bae02bcd7d6b3ec9eea428e5e95da184a8dbfb Mon Sep 17 00:00:00 2001
From: Rasmus Dahlberg <rasmus@rgdd.se>
Date: Tue, 15 Oct 2024 15:35:20 +0200
Subject: Rescue some slides from old private mono repos

---
 slides/2021-surprise/src/body.tex | 50 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 slides/2021-surprise/src/body.tex

(limited to 'slides/2021-surprise/src/body.tex')

diff --git a/slides/2021-surprise/src/body.tex b/slides/2021-surprise/src/body.tex
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+++ b/slides/2021-surprise/src/body.tex
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+\begin{frame}
+	%
+	% To explain the paper's contribution we can simply break down the title:
+	% privacy-preserving and incrementally deployable support for Certificate
+	% Transparency in Tor.
+	%
+	% To make a long story short, Tor Browser does not support Certificate
+	% Transparency.  The reason why you want to do that is because it makes it
+	% possible to detect if visited websites are being impersonated or not.
+	%
+	% For example, an attacker may want to impersonate a website to steal a
+	% user's credit card number.  It is also helpful to de-anonymize a Tor user.
+	%
+	% So, our work focus on adding support for Certificate Transparency in Tor
+	% Browser.  We do that while focusing on two key properties.
+	%
+	% The proposed solution should be _privacy-preserving_.  We achieve this
+	% because of and how we use Tor.
+	%
+	% The proposed solution should also be incrementally-deployable, and in the
+	% end have a stronger threat model than current Certificate Transparency
+	% deployments in Chrome and Safari that trust so-called CT logs blindly.
+	%
+	% In more detail, our incrementally-deployable design goes from:
+	%     pairs of CT logs that are trusted blindly, to
+	%     at least one CT log is trusted blindly, to
+	%     no CT log that is trusted blindly.
+	%
+	% It is fair to say that we have a strong threat model where the attacker
+	% even has a zero-day exploit against Tor Browser.  In spite of this very
+	% strong threat model, the involved performance overhead is modest.
+	%
+	% For more detail, please refer to our paper and/or watch the presentation.
+	%
+	\mktitle{Breaking down the title}
+	\begin{columns}
+		\begin{column}{0.55\textwidth}
+			\begin{itemize}
+				\item Support Certificate Transparency in Tor
+				\item Privacy-Preserving
+				\item Incrementally-deployable 
+			\end{itemize}
+		\end{column}
+		\begin{column}{0.45\textwidth}
+			\centering\includegraphics[width=.5\columnwidth]{img/tb}
+		\end{column}
+	\end{columns}
+	\footnotetext[1]{\tiny{Paper: \url{https://petsymposium.org/2021/files/papers/issue2/popets-2021-0024.pdf}}}
+	\footnotetext[2]{\tiny{Presentation: \url{https://www.youtube.com/watch?v=f7yDJOd6g3U}}}
+\end{frame}
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