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authorRasmus Dahlberg <rasmus@rgdd.se>2024-10-15 15:35:20 +0200
committerRasmus Dahlberg <rasmus@rgdd.se>2024-10-15 15:35:45 +0200
commit76bae02bcd7d6b3ec9eea428e5e95da184a8dbfb (patch)
tree410ab71c78c99d35aecd46733958a5699cdf5204 /slides/2019-ctga
parent883a67439aff566962adafeb0385c6ae972073a3 (diff)
Rescue some slides from old private mono repos
Diffstat (limited to 'slides/2019-ctga')
-rw-r--r--slides/2019-ctga/README2
-rw-r--r--slides/2019-ctga/beamercolorthemergd.sty24
-rw-r--r--slides/2019-ctga/beamerfontthemergd.sty9
-rw-r--r--slides/2019-ctga/beamerinnerthemergd.sty43
-rw-r--r--slides/2019-ctga/beamerouterthemergd.sty66
-rw-r--r--slides/2019-ctga/beamerthemergd.sty23
-rw-r--r--slides/2019-ctga/img/ct.pngbin0 -> 25685 bytes
-rw-r--r--slides/2019-ctga/img/design.pdfbin0 -> 33094 bytes
-rwxr-xr-xslides/2019-ctga/img/logo.pngbin0 -> 66309 bytes
-rw-r--r--slides/2019-ctga/img/perf-netfpga.pdfbin0 -> 20026 bytes
-rw-r--r--slides/2019-ctga/img/perf-xdp.pdfbin0 -> 21458 bytes
-rw-r--r--slides/2019-ctga/img/pl.pdfbin0 -> 13820 bytes
-rw-r--r--slides/2019-ctga/img/qleft.pdfbin0 -> 11388 bytes
-rw-r--r--slides/2019-ctga/img/qright.pdfbin0 -> 12895 bytes
-rw-r--r--slides/2019-ctga/img/roadmap.pdfbin0 -> 19274 bytes
-rw-r--r--slides/2019-ctga/img/take-away.pdf68
-rw-r--r--slides/2019-ctga/img/ty.pdfbin0 -> 12497 bytes
-rw-r--r--slides/2019-ctga/img/wcov-goo.pdfbin0 -> 16906 bytes
-rw-r--r--slides/2019-ctga/img/wcov-nor.pdfbin0 -> 15456 bytes
-rw-r--r--slides/2019-ctga/main.tex28
-rw-r--r--slides/2019-ctga/makefile25
-rw-r--r--slides/2019-ctga/slides.pdfbin0 -> 297549 bytes
-rw-r--r--slides/2019-ctga/src/background.tex21
-rw-r--r--slides/2019-ctga/src/body.tex6
-rw-r--r--slides/2019-ctga/src/ctga.tex32
-rw-r--r--slides/2019-ctga/src/outline.tex17
-rw-r--r--slides/2019-ctga/src/preamble.tex62
-rw-r--r--slides/2019-ctga/src/questions.tex17
-rw-r--r--slides/2019-ctga/src/take-away.tex15
-rw-r--r--slides/2019-ctga/src/titlepage.tex3
30 files changed, 461 insertions, 0 deletions
diff --git a/slides/2019-ctga/README b/slides/2019-ctga/README
new file mode 100644
index 0000000..a3ded55
--- /dev/null
+++ b/slides/2019-ctga/README
@@ -0,0 +1,2 @@
+10m version of aggregation-based CT gossip at SWITS. The full 30m presentation
+from the paper's conference no longer compile so this one will have to do.
diff --git a/slides/2019-ctga/beamercolorthemergd.sty b/slides/2019-ctga/beamercolorthemergd.sty
new file mode 100644
index 0000000..74ced1c
--- /dev/null
+++ b/slides/2019-ctga/beamercolorthemergd.sty
@@ -0,0 +1,24 @@
+\mode<presentation>
+
+%%%
+% Color definitions
+%%%
+\RequirePackage{xcolor}
+\definecolor{rgdGreen}{RGB}{33,114,106}
+\definecolor{rgdYellow}{RGB}{255,210,4}
+\definecolor{rgdOrange}{RGB}{232,114,12}
+\colorlet{rgdGray}{gray!33}
+\colorlet{rgdBlack}{black}
+
+%%%
+% Beamer colors
+%%%
+\setbeamercolor*{titlepage}{fg=rgdBlack}
+\setbeamercolor*{author}{fg=rgdGreen}
+\setbeamercolor*{date}{fg=black}
+\setbeamercolor*{header}{bg=rgdYellow,fg=black}
+\setbeamercolor*{trailer}{bg=rgdGray,fg=black}
+\setbeamercolor*{item}{fg=rgdGreen}
+\setbeamercolor*{alerted text}{fg=rgdGreen}
+
+\mode<all>
diff --git a/slides/2019-ctga/beamerfontthemergd.sty b/slides/2019-ctga/beamerfontthemergd.sty
new file mode 100644
index 0000000..a6d212c
--- /dev/null
+++ b/slides/2019-ctga/beamerfontthemergd.sty
@@ -0,0 +1,9 @@
+\mode<presentation>
+
+\setbeamerfont{title}{size=\large,shape=\bfseries}
+\setbeamerfont{subtitle}{size=\normalsize,shape=\bfseries}
+\setbeamerfont{frametitle}{size=\large,shape=\bfseries}
+\setbeamerfont{institute}{size=\small}
+\setbeamerfont{date}{size=\small}
+
+\mode<all>
diff --git a/slides/2019-ctga/beamerinnerthemergd.sty b/slides/2019-ctga/beamerinnerthemergd.sty
new file mode 100644
index 0000000..0d49176
--- /dev/null
+++ b/slides/2019-ctga/beamerinnerthemergd.sty
@@ -0,0 +1,43 @@
+\mode<presentation>
+
+%%%
+% Title page
+%%%
+\defbeamertemplate*{title page}{rgd}[1][]{
+ \begin{tikzpicture}[remember picture, overlay]
+ \usebeamercolor{titlepage}
+ % Add top-left triangle with university logo
+ \filldraw[draw=rgdGray,fill=rgdGray]
+ (current page.north west) --
+ (current page.north) --
+ node[draw=none,pos=0.5](Logo){\includegraphics[width=3cm]{img/logo}}
+ (current page.west) --
+ (current page.north west);
+ % Add title
+ \node[
+ text=fg,
+ text width=0.75\paperwidth,
+ ] (Title) at ([shift={(0,-0.5cm)}]current page){%
+ \centering\usebeamerfont{title}\inserttitle\\%
+ };
+ % Add subtitle
+ \node[
+ text=fg,
+ text width=0.75\paperwidth,
+ below=0pt of Title,
+ ] (Subtitle) {%
+ \centering\usebeamerfont{subtitle}\insertsubtitle\\%
+ };
+ % Add authors
+ \usebeamercolor{author}
+ \node[
+ text=fg,
+ text width=0.75\paperwidth,
+ below=12pt of Subtitle,
+ ] (Author) {%
+ \centering\usebeamerfont{author}\insertauthor\\%
+ };
+ \end{tikzpicture}
+}
+
+\mode<all>
diff --git a/slides/2019-ctga/beamerouterthemergd.sty b/slides/2019-ctga/beamerouterthemergd.sty
new file mode 100644
index 0000000..ba757c6
--- /dev/null
+++ b/slides/2019-ctga/beamerouterthemergd.sty
@@ -0,0 +1,66 @@
+\mode<presentation>
+
+%%%
+% Frame header
+%%%
+\defbeamertemplate*{frametitle}{corporate}[1][]{%
+ \nointerlineskip
+ % Add frame title
+ \begin{beamercolorbox}[
+ wd=\paperwidth,
+ ht=3ex,
+ dp=1.5ex,
+ left,
+ leftskip=2ex
+ ]{header}
+ \insertframetitle
+ \end{beamercolorbox}
+ % Add line after header
+ \nointerlineskip
+ \begin{beamercolorbox}[
+ wd=\paperwidth,
+ ht=0.25ex
+ ]{trailer}
+ \end{beamercolorbox}%
+}
+
+%%%
+% Frame trailer
+%%%
+\defbeamertemplate*{footline}{corporate}{%
+ \hbox{%
+ % Add mail
+ \begin{beamercolorbox}[
+ wd=0.22\paperwidth,
+ ht=2ex,
+ dp=0.5ex,
+ left,
+ leftskip=2ex
+ ]{trailer}
+ \texttt{rasmus.dahlberg@kau.se}
+ \end{beamercolorbox}%
+ % Add author
+ \begin{beamercolorbox}[
+ wd=0.73\paperwidth,
+ ht=2ex,
+ dp=0.5ex,
+ left,
+ leftskip=2ex
+ ]{header}
+ %\insertauthor
+ \inserttitle
+ \end{beamercolorbox}%
+ % Add page counter
+ \begin{beamercolorbox}[
+ wd=0.05\paperwidth,
+ ht=2ex,
+ dp=0.5ex,
+ right,
+ rightskip=1ex
+ ]{header}
+ \insertframenumber/\inserttotalframenumber
+ \end{beamercolorbox}%
+ }
+}
+
+\mode<all>
diff --git a/slides/2019-ctga/beamerthemergd.sty b/slides/2019-ctga/beamerthemergd.sty
new file mode 100644
index 0000000..022ef2c
--- /dev/null
+++ b/slides/2019-ctga/beamerthemergd.sty
@@ -0,0 +1,23 @@
+\mode<presentation>
+
+%%%
+% Load beamer settings
+%%%
+\usecolortheme{rgd}
+\usefonttheme{rgd}
+\useinnertheme{rgd}
+\useoutertheme{rgd}
+
+%%%
+% Disable navigation tools on slides
+%%%
+\setbeamertemplate{navigation symbols}{}
+
+%%%
+% Object styles
+%%%
+\setbeamertemplate{itemize item}[square]
+\setbeamertemplate{itemize subitem}[default]
+\setbeamertemplate{sections/subsections in toc}[square]
+
+\mode<all>
diff --git a/slides/2019-ctga/img/ct.png b/slides/2019-ctga/img/ct.png
new file mode 100644
index 0000000..10267e7
--- /dev/null
+++ b/slides/2019-ctga/img/ct.png
Binary files differ
diff --git a/slides/2019-ctga/img/design.pdf b/slides/2019-ctga/img/design.pdf
new file mode 100644
index 0000000..3a9aba1
--- /dev/null
+++ b/slides/2019-ctga/img/design.pdf
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diff --git a/slides/2019-ctga/img/logo.png b/slides/2019-ctga/img/logo.png
new file mode 100755
index 0000000..0c7c885
--- /dev/null
+++ b/slides/2019-ctga/img/logo.png
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diff --git a/slides/2019-ctga/img/perf-netfpga.pdf b/slides/2019-ctga/img/perf-netfpga.pdf
new file mode 100644
index 0000000..17ee58d
--- /dev/null
+++ b/slides/2019-ctga/img/perf-netfpga.pdf
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diff --git a/slides/2019-ctga/img/perf-xdp.pdf b/slides/2019-ctga/img/perf-xdp.pdf
new file mode 100644
index 0000000..a4dae27
--- /dev/null
+++ b/slides/2019-ctga/img/perf-xdp.pdf
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diff --git a/slides/2019-ctga/img/pl.pdf b/slides/2019-ctga/img/pl.pdf
new file mode 100644
index 0000000..a03d97f
--- /dev/null
+++ b/slides/2019-ctga/img/pl.pdf
Binary files differ
diff --git a/slides/2019-ctga/img/qleft.pdf b/slides/2019-ctga/img/qleft.pdf
new file mode 100644
index 0000000..f35a078
--- /dev/null
+++ b/slides/2019-ctga/img/qleft.pdf
Binary files differ
diff --git a/slides/2019-ctga/img/qright.pdf b/slides/2019-ctga/img/qright.pdf
new file mode 100644
index 0000000..da2e8e3
--- /dev/null
+++ b/slides/2019-ctga/img/qright.pdf
Binary files differ
diff --git a/slides/2019-ctga/img/roadmap.pdf b/slides/2019-ctga/img/roadmap.pdf
new file mode 100644
index 0000000..867fb20
--- /dev/null
+++ b/slides/2019-ctga/img/roadmap.pdf
Binary files differ
diff --git a/slides/2019-ctga/img/take-away.pdf b/slides/2019-ctga/img/take-away.pdf
new file mode 100644
index 0000000..7d3b190
--- /dev/null
+++ b/slides/2019-ctga/img/take-away.pdf
@@ -0,0 +1,68 @@
+%PDF-1.4
+%
+3 0 obj
+<< /Length 4 0 R
+ /Filter /FlateDecode
+>>
+stream
+xmA0" >R#$E{rGyC\`;㻨(dUt0f-TA7 Tx1f՚;"*4{~M7$
+endstream
+endobj
+4 0 obj
+ 118
+endobj
+2 0 obj
+<<
+ /ExtGState <<
+ /a0 << /CA 1 /ca 1 >>
+ >>
+>>
+endobj
+5 0 obj
+<< /Type /Page
+ /Parent 1 0 R
+ /MediaBox [ 0 0 12.8 12.8 ]
+ /Contents 3 0 R
+ /Group <<
+ /Type /Group
+ /S /Transparency
+ /I true
+ /CS /DeviceRGB
+ >>
+ /Resources 2 0 R
+>>
+endobj
+1 0 obj
+<< /Type /Pages
+ /Kids [ 5 0 R ]
+ /Count 1
+>>
+endobj
+6 0 obj
+<< /Creator (cairo 1.14.0 (http://cairographics.org))
+ /Producer (cairo 1.14.0 (http://cairographics.org))
+>>
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+<< /Type /Catalog
+ /Pages 1 0 R
+>>
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+xref
+0 8
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+0000000712 00000 n
+trailer
+<< /Size 8
+ /Root 7 0 R
+ /Info 6 0 R
+>>
+startxref
+764
+%%EOF
diff --git a/slides/2019-ctga/img/ty.pdf b/slides/2019-ctga/img/ty.pdf
new file mode 100644
index 0000000..9ad4dc8
--- /dev/null
+++ b/slides/2019-ctga/img/ty.pdf
Binary files differ
diff --git a/slides/2019-ctga/img/wcov-goo.pdf b/slides/2019-ctga/img/wcov-goo.pdf
new file mode 100644
index 0000000..73f77b6
--- /dev/null
+++ b/slides/2019-ctga/img/wcov-goo.pdf
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diff --git a/slides/2019-ctga/img/wcov-nor.pdf b/slides/2019-ctga/img/wcov-nor.pdf
new file mode 100644
index 0000000..e7d216d
--- /dev/null
+++ b/slides/2019-ctga/img/wcov-nor.pdf
Binary files differ
diff --git a/slides/2019-ctga/main.tex b/slides/2019-ctga/main.tex
new file mode 100644
index 0000000..12a7fb2
--- /dev/null
+++ b/slides/2019-ctga/main.tex
@@ -0,0 +1,28 @@
+\pdfminorversion=4
+\documentclass[aspectratio=169]{beamer}
+\usetheme{rgd}
+
+\input{src/preamble}
+
+\title{%
+ Aggregating Certificate Transparency Gossip Using Programmable Packet
+ Processors
+}
+%\subtitle{%
+%}
+\author{%
+ \textbf{Rasmus Dahlberg},
+ Tobias Pulls,
+ Jonathan Vestin,\\
+ Toke H{\o}iland-J{\o}rgensen, and
+ Andreas Kassler
+}
+\institute{%
+ Karlstad University
+}
+\date{%
+ \today
+}
+\begin{document}
+ \input{src/body}
+\end{document}
diff --git a/slides/2019-ctga/makefile b/slides/2019-ctga/makefile
new file mode 100644
index 0000000..b42d0ec
--- /dev/null
+++ b/slides/2019-ctga/makefile
@@ -0,0 +1,25 @@
+.PHONY: clean tidy open
+
+MAIN = main
+
+TEX_SRC = src/$(wildcard:.tex)
+TEX_IMG = \
+ img/$(wildcard:.jpg) \
+ img/$(wildcard:.tex) \
+ img/$(wildcard:.pdf) \
+ img/$(wildcard:.png)
+TEX = \
+ $(TEX_SRC) $(TEX_IMG) $(MAIN).tex
+
+$(MAIN).pdf: $(TEX)
+ pdflatex $(MAIN)
+ @pdflatex $(MAIN)
+
+open: $(MAIN).pdf
+ okular $(MAIN).pdf &
+
+tidy:
+ rm -rf *.nav *.out *.log *.aux *.toc *.snm
+
+clean:
+ rm -rf *.nav *.out *.log *.aux *.toc *.snm $(MAIN).pdf
diff --git a/slides/2019-ctga/slides.pdf b/slides/2019-ctga/slides.pdf
new file mode 100644
index 0000000..b7e43d2
--- /dev/null
+++ b/slides/2019-ctga/slides.pdf
Binary files differ
diff --git a/slides/2019-ctga/src/background.tex b/slides/2019-ctga/src/background.tex
new file mode 100644
index 0000000..49d5e94
--- /dev/null
+++ b/slides/2019-ctga/src/background.tex
@@ -0,0 +1,21 @@
+\begin{frame}
+ \frametitle{Certificate Transparency---in short CT}
+ \centering
+ \begin{columns}
+ \begin{column}{0.45\textwidth}
+ \begin{itemize}
+ \item Goal is to detect mis-issuance
+ \item Publicly log all certificates
+ \item Clients require proof of logging
+ \end{itemize}
+ \end{column}
+ \begin{column}{0.55\textwidth}
+ \centering
+ \includegraphics[width=0.8\textwidth]{img/ct}
+ \scriptsize{\url{https://www.certificate-transparency.org/what-is-ct}}
+ \end{column}
+ \end{columns}
+ \pause
+ \vfill
+ \alert{How do you know if you see the same log?}
+\end{frame}
diff --git a/slides/2019-ctga/src/body.tex b/slides/2019-ctga/src/body.tex
new file mode 100644
index 0000000..10c9342
--- /dev/null
+++ b/slides/2019-ctga/src/body.tex
@@ -0,0 +1,6 @@
+\input{src/titlepage}
+%\input{src/outline}
+\input{src/background}
+\input{src/ctga}
+\input{src/take-away}
+\input{src/questions}
diff --git a/slides/2019-ctga/src/ctga.tex b/slides/2019-ctga/src/ctga.tex
new file mode 100644
index 0000000..326b009
--- /dev/null
+++ b/slides/2019-ctga/src/ctga.tex
@@ -0,0 +1,32 @@
+\begin{frame}
+ \frametitle{Overview---in-line aggregation and off-path verification}
+ \centering
+ \includegraphics[width=\textwidth]{img/design}
+ \pause
+ Security notion---aggregation indistinguishability
+ \pause\\
+ Intended attacker---distant
+ \pause\\
+ (Multi)path fragmentation
+ \pause\\
+ Implementation? XDP, P4, ...
+\end{frame}
+
+\begin{frame}
+ \frametitle{Performance and aggregation indistinguishability---XDP}
+ \centering
+ \includegraphics[height=0.8\textheight]{img/perf-xdp}
+\end{frame}
+
+\begin{frame}
+ \frametitle{Performance and aggregation indistinguishability---P4}
+ \centering
+ \includegraphics[height=0.8\textheight]{img/perf-netfpga}
+\end{frame}
+
+\begin{frame}
+ \frametitle{Network measurements---split-view protection against Google and NORDUnet}
+ \centering
+ \includegraphics[width=0.7\textwidth]{img/wcov-goo}
+ \includegraphics[width=0.7\textwidth]{img/wcov-nor}
+\end{frame}
diff --git a/slides/2019-ctga/src/outline.tex b/slides/2019-ctga/src/outline.tex
new file mode 100644
index 0000000..55b4f9f
--- /dev/null
+++ b/slides/2019-ctga/src/outline.tex
@@ -0,0 +1,17 @@
+\begin{frame}
+ \frametitle{Outline}
+ \begin{columns}
+ \begin{column}{0.39\textwidth}
+ \centering
+ \begin{enumerate}
+ \item Motivation
+ \item Overview
+ \item Evaluation
+ \item Take away
+ \end{enumerate}
+ \end{column}
+ \begin{column}{0.39\textwidth}
+ \includegraphics[width=0.6\textwidth]{img/roadmap}
+ \end{column}
+ \end{columns}
+\end{frame}
diff --git a/slides/2019-ctga/src/preamble.tex b/slides/2019-ctga/src/preamble.tex
new file mode 100644
index 0000000..6905b0f
--- /dev/null
+++ b/slides/2019-ctga/src/preamble.tex
@@ -0,0 +1,62 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Packages %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\usepackage[
+ lambda, advantage, operators, sets, adversary, landau, probability, notions,
+ logic, ff, mm, primitives, events, complexity, asymptotics, keys
+]{cryptocode}
+
+\usepackage{graphicx}
+\usepackage{mathtools}
+\usepackage{amsmath}
+\usepackage{amssymb}
+\usepackage{flowchart}
+\usepackage{pifont}
+\usepackage{graphicx}
+\usepackage{color}
+\usepackage{tikz}
+\usepackage{tikz-qtree}
+\usetikzlibrary{
+ shapes.misc,%
+ positioning,%
+ arrows,%
+ snakes,%
+ calc,%
+ shadows,%
+ shapes.arrows,%
+ fit,%
+ backgrounds,%
+}
+\usepackage{booktabs}
+\usepackage{smartdiagram}
+%\usepackage[position=bottom]{subfig} % environment for nested figures
+
+\usepackage{xcolor}
+\definecolor{darkGreen}{HTML}{008000}
+\definecolor{darkBlue}{HTML}{2809B2}
+\definecolor{darkRed}{HTML}{CC0000}
+\definecolor{darkGray}{HTML}{808080}
+\definecolor{darkOrange}{HTML}{D77D00}
+\definecolor{darkPurple}{HTML}{800080}
+\colorlet{lightGray}{gray!33}
+\colorlet{lightYellow}{yellow!50}
+\definecolor{darkGreen}{HTML}{008000}
+\definecolor{darkBlue}{HTML}{2809B2}
+\definecolor{darkRed}{HTML}{CC0000}
+
+% Figures, tables and code
+\usepackage{booktabs}
+\usepackage{colortbl}
+\usepackage{flowchart}
+\usepackage{adjustbox}
+\usepackage{listings}
+
+%\setbeamertemplate{itemize item}[circle]
+%\setbeamertemplate{itemize subitem}[default]
+%\setbeamertemplate{caption}[numbered]
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Defines %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\newcommand{\tyes}{\textcolor{darkGreen}{\ding{51}}}
+\newcommand{\tno}{\textcolor{darkRed}{\ding{55}}}
diff --git a/slides/2019-ctga/src/questions.tex b/slides/2019-ctga/src/questions.tex
new file mode 100644
index 0000000..85cb2f3
--- /dev/null
+++ b/slides/2019-ctga/src/questions.tex
@@ -0,0 +1,17 @@
+\begin{frame}
+ \frametitle{Any questions?} \label{frm:que}
+ \begin{columns}
+ \begin{column}{0.49\textwidth}
+ \centering
+ \includegraphics[width=0.75\textwidth]{img/qleft}
+ \end{column}
+ \begin{column}{0.49\textwidth}
+ \centering
+ \includegraphics[width=0.75\textwidth]{img/qright}
+ \end{column}
+ \end{columns}
+
+ \centering
+ \vspace{-1cm}
+ \includegraphics[width=0.20\textwidth]{img/ty}
+\end{frame}
diff --git a/slides/2019-ctga/src/take-away.tex b/slides/2019-ctga/src/take-away.tex
new file mode 100644
index 0000000..1368c75
--- /dev/null
+++ b/slides/2019-ctga/src/take-away.tex
@@ -0,0 +1,15 @@
+\begin{frame}
+ \frametitle{Take away}
+ \begin{columns}
+ \begin{column}{0.69\textwidth}
+ \begin{itemize}
+ \item Program the network to gossip `as a service'
+ \item Easily deployed, not much opt-in needed
+ \end{itemize}
+ \end{column}
+ \begin{column}{0.29\textwidth}
+ \centering
+ \includegraphics[width=0.75\textwidth]{img/take-away}
+ \end{column}
+ \end{columns}
+\end{frame}
diff --git a/slides/2019-ctga/src/titlepage.tex b/slides/2019-ctga/src/titlepage.tex
new file mode 100644
index 0000000..9b18039
--- /dev/null
+++ b/slides/2019-ctga/src/titlepage.tex
@@ -0,0 +1,3 @@
+\begin{frame}
+ \titlepage
+\end{frame}