From 4e7777a8eac3a4bd1cf01a19b211c3bee62470a4 Mon Sep 17 00:00:00 2001
From: Tobias Eidelpes <tobias@eidelpes.info>
Date: Wed, 15 Jun 2022 16:02:42 +0200
Subject: [PATCH] Add solution for 4f

---
 exam/ex.tex | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/exam/ex.tex b/exam/ex.tex
index c9f5802..36ec555 100644
--- a/exam/ex.tex
+++ b/exam/ex.tex
@@ -202,7 +202,9 @@
       also easily be able to obtain the factorization of the public key. If that
       was possible, the scheme would be broken.
 
-    \item \TODO
+    \item The strongest type of security the authors claim to achieve is
+      IND-CCA2. The authors use the Fujisaki-Okamoto transform to achieve
+      IND-CCA2 security.
 
     \item \TODO