diff --git a/slides/2-3.tex b/slides/2-3.tex
index 49d137f..cd37fff 100644
--- a/slides/2-3.tex
+++ b/slides/2-3.tex
@@ -1589,6 +1589,18 @@
\end{columns}
\end{frame}
+\begin{frame}{TODO: Sealed Sender}
+ \begin{columns}[c]
+ \begin{column}{1\textwidth}
+ \begin{itemize}
+ \item TODO:
+ \item Sealed sender
+ \item Analysis from 2021\footnote{\url{https://appliedcryptography.page/papers/\#sealed-sender}}
+ \end{itemize}
+ \end{column}
+ \end{columns}
+\end{frame}
+
\begin{frame}{Can your message truly be secure after a hack?}
\begin{columns}[c]
\begin{column}{1\textwidth}
diff --git a/website/index.html b/website/index.html
index 1f52362..df2b2fa 100755
--- a/website/index.html
+++ b/website/index.html
@@ -214,6 +214,7 @@
David Adrian, Karthikeyan Bhargavan, Zakir Durumeric, Pierrick Gaudry, Matthew Green, J. Alex Halderman, Nadia Heninger, Drew Springall, Emmanuel Thomé, Luke Valenta, Benjamin VanderSloot, Eric Wustrow, Santiago Zanella-Béguelin and Paul Zimmermann, Imperfect Forward Secrecy: How Diffie-Hellman Fails in Practice, ACM CCS, 2015.
Cas Cremers, Niklas Medinger and Aurora Naska, Impossibility Results for Post-Compromise Security in Real-World Communication Systems, IEEE Symposium on Security and Privacy, 2025.
Chris Alexander and Ian Goldberg, Improved User Authentication in Off-The-Record Messaging, Workshop on Privacy in the Electronic Society, 2007.
+ Ian Martiny, Gabriel Kaptchuk, Adam Aviv, Dan Roche and Eric Wustrow, Improving Signal's Sealed Sender, Network and Distributed Systems Security Symposium, 2021.
Henry de Valence, It's 255:19AM. Do you know what your validation criteria are?, hdevalence.ca, 2020.
Nadhem J. Alfardan and Kenneth G. Paterson, Lucky Thirteen: Breaking the TLS and DTLS Record Protocols, IEEE Symposium on Security and Privacy, 2013.
Whitfield Diffie and Martin E. Hellman, New Directions in Cryptography, IEEE Transactions on Information Theory, 1976.
@@ -523,6 +524,7 @@
Nadim Kobeissi, Karthikeyan Bhargavan and Bruno Blanchet, Automated Verification for Secure Messaging Protocols and their Implementations: A Symbolic and Computational Approach, IEEE European Symposium on Security and Privacy, 2017.
Cas Cremers, Charlie Jacomme and Aurora Naska, Formal Analysis of Session-Handling in Secure Messaging: Lifting Security from Sessions to Conversations, USENIX Security Symposium, 2023.
Cas Cremers, Niklas Medinger and Aurora Naska, Impossibility Results for Post-Compromise Security in Real-World Communication Systems, IEEE Symposium on Security and Privacy, 2025.
+ Ian Martiny, Gabriel Kaptchuk, Adam Aviv, Dan Roche and Eric Wustrow, Improving Signal's Sealed Sender, Network and Distributed Systems Security Symposium, 2021.
Martin R. Albrecht, Lenka Mareková, Kenneth G. Paterson, Eyal Ronen and Igors Stepanovs, Analysis of the Telegram Key Exchange, IACR Eurocrypt, 2025.
Martin R. Albrecht, Benjamin Dowling and Daniel Jones, Formal Analysis of Multi-Device Group Messaging in WhatsApp, IACR Eurocrypt, 2025.
Paul Rösler, Christian Mainka and Jörg Schwenk, More is Less: On the End-to-End Security of Group Chats in Signal, WhatsApp, and Threema, IEEE European Symposium on Security and Privacy, 2018.
diff --git a/website/papers/sealed-sender.pdf b/website/papers/sealed-sender.pdf
new file mode 100644
index 0000000..00adfc4
--- /dev/null
+++ b/website/papers/sealed-sender.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d51b2ccf60566a78f1c98e2482c085c85512d246d6da9ef28928af15e4f430b4
+size 543613