add datenspuren

35 files changed, 1752 insertions, 0 deletions

diff --git a/datenspuren2019/Reclaim-2.png b/datenspuren2019/Reclaim-2.png
new file mode 100644
index 0000000..8a404c6
--- /dev/null
+++ b/datenspuren2019/Reclaim-2.png
diff --git a/datenspuren2019/Reclaim-3.png b/datenspuren2019/Reclaim-3.png
new file mode 100644
index 0000000..bee5324
--- /dev/null
+++ b/datenspuren2019/Reclaim-3.png
diff --git a/datenspuren2019/Reclaim-4.png b/datenspuren2019/Reclaim-4.png
new file mode 100644
index 0000000..5de5181
--- /dev/null
+++ b/datenspuren2019/Reclaim-4.png
diff --git a/datenspuren2019/Reclaim-5.png b/datenspuren2019/Reclaim-5.png
new file mode 100644
index 0000000..b36644e
--- /dev/null
+++ b/datenspuren2019/Reclaim-5.png
diff --git a/datenspuren2019/Reclaim-6.png b/datenspuren2019/Reclaim-6.png
new file mode 100644
index 0000000..558f3dc
--- /dev/null
+++ b/datenspuren2019/Reclaim-6.png
diff --git a/datenspuren2019/Reclaim.png b/datenspuren2019/Reclaim.png
new file mode 100644
index 0000000..cd865cf
--- /dev/null
+++ b/datenspuren2019/Reclaim.png
diff --git a/datenspuren2019/aisec_logo.pdf b/datenspuren2019/aisec_logo.pdf
new file mode 100644
index 0000000..c112704
--- /dev/null
+++ b/datenspuren2019/aisec_logo.pdf
diff --git a/datenspuren2019/attr_perf_plot_100.pdf b/datenspuren2019/attr_perf_plot_100.pdf
new file mode 100644
index 0000000..6c4106d
--- /dev/null
+++ b/datenspuren2019/attr_perf_plot_100.pdf
diff --git a/datenspuren2019/attr_perf_plot_100.png b/datenspuren2019/attr_perf_plot_100.png
new file mode 100644
index 0000000..a3eea35
--- /dev/null
+++ b/datenspuren2019/attr_perf_plot_100.png
diff --git a/datenspuren2019/beamercolorthememetropolis-highcontrast.sty b/datenspuren2019/beamercolorthememetropolis-highcontrast.sty
new file mode 100644
index 0000000..85665dc
--- /dev/null
+++ b/datenspuren2019/beamercolorthememetropolis-highcontrast.sty
@@ -0,0 +1,39 @@
+%%
+%% This is file `beamercolorthememetropolis-highcontrast.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% beamercolorthememetropolis-highcontrast.dtx  (with options: `package')
+%% ---------------------------------------------------------------------------
+%% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
+%% contributors can be found at
+%% 
+%%     https://github.com/matze/mtheme/graphs/contributors
+%% 
+%% and the original template was based on the HSRM theme by Benjamin Weiss.
+%% 
+%% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
+%% International License (https://creativecommons.org/licenses/by-sa/4.0/).
+%% ---------------------------------------------------------------------------
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{beamercolorthememetropolis-highcontrast}[2017/01/23 Metropolis color theme]
+\usecolortheme{metropolis}
+
+\definecolor{mAlert}{HTML}{AD003D}
+\definecolor{mExample}{HTML}{005580}
+
+\setbeamercolor{normal text}{%
+  fg=black,
+  bg=white
+}
+\setbeamercolor{alerted text}{%
+  fg=mAlert,
+}
+\setbeamercolor{example text}{%
+  fg=mExample,
+}
+\mode<all>
+\endinput
+%%
+%% End of file `beamercolorthememetropolis-highcontrast.sty'.
diff --git a/datenspuren2019/beamercolorthememetropolis.sty b/datenspuren2019/beamercolorthememetropolis.sty
new file mode 100644
index 0000000..cdc497a
--- /dev/null
+++ b/datenspuren2019/beamercolorthememetropolis.sty
@@ -0,0 +1,138 @@
+%%
+%% This is file `beamercolorthememetropolis.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% beamercolorthememetropolis.dtx  (with options: `package')
+%% ---------------------------------------------------------------------------
+%% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
+%% contributors can be found at
+%% 
+%%     https://github.com/matze/mtheme/graphs/contributors
+%% 
+%% and the original template was based on the HSRM theme by Benjamin Weiss.
+%% 
+%% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
+%% International License (https://creativecommons.org/licenses/by-sa/4.0/).
+%% ---------------------------------------------------------------------------
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{beamercolorthememetropolis}[2017/01/23 Metropolis color theme]
+\RequirePackage{pgfopts}
+\pgfkeys{
+  /metropolis/color/block/.cd,
+    .is choice,
+    transparent/.code=\metropolis@block@transparent,
+    fill/.code=\metropolis@block@fill,
+}
+\pgfkeys{
+  /metropolis/color/background/.cd,
+    .is choice,
+    dark/.code=\metropolis@colors@dark,
+    light/.code=\metropolis@colors@light,
+}
+\newcommand{\metropolis@color@setdefaults}{
+  \pgfkeys{/metropolis/color/.cd,
+    background=light,
+    block=transparent,
+  }
+}
+\definecolor{mDarkBrown}{HTML}{604c38}
+\definecolor{mDarkTeal}{HTML}{23373b}
+\definecolor{mLightBrown}{HTML}{EB811B}
+\definecolor{mLightGreen}{HTML}{14B03D}
+\newcommand{\metropolis@colors@dark}{
+  \setbeamercolor{normal text}{%
+    fg=black!2,
+    bg=mDarkTeal
+  }
+  \usebeamercolor[fg]{normal text}
+}
+\newcommand{\metropolis@colors@light}{
+  \setbeamercolor{normal text}{%
+    fg=mDarkTeal,
+    bg=black!2
+  }
+}
+\setbeamercolor{alerted text}{%
+  fg=mLightBrown
+}
+\setbeamercolor{example text}{%
+  fg=mLightGreen
+}
+\setbeamercolor{titlelike}{use=normal text, parent=normal text}
+\setbeamercolor{author}{use=normal text, parent=normal text}
+\setbeamercolor{date}{use=normal text, parent=normal text}
+\setbeamercolor{institute}{use=normal text, parent=normal text}
+\setbeamercolor{structure}{use=normal text, fg=normal text.fg}
+\setbeamercolor{palette primary}{%
+  use=normal text,
+  fg=normal text.bg,
+  bg=normal text.fg
+}
+\setbeamercolor{frametitle}{%
+  use=palette primary,
+  parent=palette primary
+}
+\setbeamercolor{progress bar}{%
+  use=alerted text,
+  fg=alerted text.fg,
+  bg=alerted text.fg!50!black!30
+}
+\setbeamercolor{title separator}{
+  use=progress bar,
+  parent=progress bar
+}
+\setbeamercolor{progress bar in head/foot}{%
+  use=progress bar,
+  parent=progress bar
+}
+\setbeamercolor{progress bar in section page}{
+  use=progress bar,
+  parent=progress bar
+}
+\newcommand{\metropolis@block@transparent}{
+  \setbeamercolor{block title}{%
+    use=normal text,
+    fg=normal text.fg,
+    bg=
+  }
+  \setbeamercolor{block body}{
+    bg=
+  }
+}
+\newcommand{\metropolis@block@fill}{
+  \setbeamercolor{block title}{%
+    use=normal text,
+    fg=normal text.fg,
+    bg=normal text.bg!80!fg
+  }
+  \setbeamercolor{block body}{
+    use={block title, normal text},
+    bg=block title.bg!50!normal text.bg
+  }
+}
+\setbeamercolor{block title alerted}{%
+    use={block title, alerted text},
+    bg=block title.bg,
+    fg=alerted text.fg
+}
+\setbeamercolor{block title example}{%
+    use={block title, example text},
+    bg=block title.bg,
+    fg=example text.fg
+}
+\setbeamercolor{block body alerted}{use=block body, parent=block body}
+\setbeamercolor{block body example}{use=block body, parent=block body}
+\setbeamercolor{footnote}{fg=normal text.fg!90}
+\setbeamercolor{footnote mark}{fg=.}
+\setbeamercolor{bibliography entry author}{fg=, bg=}
+\setbeamercolor{bibliography entry title}{fg=, bg=}
+\setbeamercolor{bibliography entry location}{fg=, bg=}
+\setbeamercolor{bibliography entry note}{fg=, bg=}
+\metropolis@color@setdefaults
+\ProcessPgfPackageOptions{/metropolis/color}
+\mode<all>
+\endinput
+%%
+%% End of file `beamercolorthememetropolis.sty'.
diff --git a/datenspuren2019/beamerfontthememetropolis.sty b/datenspuren2019/beamerfontthememetropolis.sty
new file mode 100644
index 0000000..15cced3
--- /dev/null
+++ b/datenspuren2019/beamerfontthememetropolis.sty
@@ -0,0 +1,325 @@
+%%
+%% This is file `beamerfontthememetropolis.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% beamerfontthememetropolis.dtx  (with options: `package')
+%% ---------------------------------------------------------------------------
+%% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
+%% contributors can be found at
+%% 
+%%     https://github.com/matze/mtheme/graphs/contributors
+%% 
+%% and the original template was based on the HSRM theme by Benjamin Weiss.
+%% 
+%% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
+%% International License (https://creativecommons.org/licenses/by-sa/4.0/).
+%% ---------------------------------------------------------------------------
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{beamerfontthememetropolis}[2017/01/23 Metropolis font theme]
+\RequirePackage{etoolbox}
+\RequirePackage{ifxetex}
+\RequirePackage{ifluatex}
+\RequirePackage{pgfopts}
+\ifboolexpr{bool {xetex} or bool {luatex}}{
+  \@ifpackageloaded{fontspec}{
+    \PassOptionsToPackage{no-math}{fontspec}
+  }{
+    \RequirePackage[no-math]{fontspec}
+  }
+  \newcounter{fontsnotfound}
+  \newcommand{\checkfont}[1]{%
+    \suppressfontnotfounderror=1%
+    \font\x = "#1" at 10pt
+    \selectfont
+    \ifx\x\nullfont%
+      \stepcounter{fontsnotfound}%
+    \fi%
+    \suppressfontnotfounderror=0%
+  }
+
+  \newcommand{\iffontsavailable}[3]{%
+    \setcounter{fontsnotfound}{0}%
+    \expandafter\forcsvlist\expandafter%
+    \checkfont\expandafter{#1}%
+    \ifnum\value{fontsnotfound}=0%
+      #2%
+    \else%
+      #3%
+    \fi%
+  }
+  \iffontsavailable{Fira Sans Light,%
+                    Fira Sans Light Italic,%
+                    Fira Sans,%
+                    Fira Sans Italic}%
+  {%
+    \setsansfont[ItalicFont={Fira Sans Light Italic},%
+                 BoldFont={Fira Sans},%
+                 BoldItalicFont={Fira Sans Italic}]%
+                {Fira Sans Light}%
+  }{%
+    \iffontsavailable{Fira Sans Light OT,%
+                      Fira Sans Light Italic OT,%
+                      Fira Sans OT,%
+                      Fira Sans Italic OT}%
+    {%
+      \setsansfont[ItalicFont={Fira Sans Light Italic OT},%
+                   BoldFont={Fira Sans OT},%
+                   BoldItalicFont={Fira Sans Italic OT}]%
+                  {Fira Sans Light OT}%
+    }{%
+      \PackageWarning{beamerthememetropolis}{%
+        Could not find Fira Sans fonts%
+      }
+    }
+  }
+  \iffontsavailable{Fira Mono, Fira Mono Bold}{%
+    \setmonofont[BoldFont={Fira Mono Medium}]{Fira Mono}%
+  }{%
+    \iffontsavailable{Fira Mono OT, Fira Mono Bold OT}{%
+      \setmonofont[BoldFont={Fira Mono Medium OT}]{Fira Mono OT}%
+    }{%
+      \PackageWarning{beamerthememetropolis}{%
+        Could not find Fira Mono fonts%
+      }
+    }
+  }
+  \AtBeginEnvironment{tabular}{%
+    \addfontfeature{Numbers={Monospaced}}%
+  }
+}{%
+  \PackageWarning{beamerthememetropolis}{%
+    You need to compile with XeLaTeX or LuaLaTeX to use the Fira fonts%
+  }
+}
+\setbeamerfont{title}{size=\Large,%
+                      series=\bfseries}
+\setbeamerfont{author}{size=\small}
+\setbeamerfont{date}{size=\small}
+\setbeamerfont{section title}{size=\Large,%
+                              series=\bfseries}
+\setbeamerfont{block title}{size=\normalsize,%
+                            series=\bfseries}
+\setbeamerfont{block title alerted}{size=\normalsize,%
+                                    series=\bfseries}
+\setbeamerfont*{subtitle}{size=\large}
+\setbeamerfont{frametitle}{size=\large,%
+                           series=\bfseries}
+\setbeamerfont{caption}{size=\small}
+\setbeamerfont{caption name}{series=\bfseries}
+\setbeamerfont{description item}{series=\bfseries}
+\setbeamerfont{page number in head/foot}{size=\scriptsize}
+\setbeamerfont{bibliography entry author}{size=\normalsize,%
+                                          series=\normalfont}
+\setbeamerfont{bibliography entry title}{size=\normalsize,%
+                                         series=\bfseries}
+\setbeamerfont{bibliography entry location}{size=\normalsize,%
+                                            series=\normalfont}
+\setbeamerfont{bibliography entry note}{size=\small,%
+                                        series=\normalfont}
+\setbeamerfont{standout}{size=\Large,%
+                         series=\bfseries}
+\pgfkeys{
+  /metropolis/font/titleformat title/.cd,
+    .is choice,
+    regular/.code={%
+      \let\metropolis@titleformat\@empty%
+      \setbeamerfont{title}{shape=\normalfont}%
+    },
+    smallcaps/.code={%
+      \let\metropolis@titleformat\@empty%
+      \setbeamerfont{title}{shape=\scshape}%
+    },
+    allsmallcaps/.code={%
+      \let\metropolis@titleformat\lowercase%
+      \setbeamerfont{title}{shape=\scshape}%
+      \PackageWarning{beamerthememetropolis}{%
+        Be aware that titleformat title=allsmallcaps can lead to problems%
+      }
+    },
+    allcaps/.code={%
+      \let\metropolis@titleformat\uppercase%
+      \setbeamerfont{title}{shape=\normalfont}
+      \PackageWarning{beamerthememetropolis}{%
+        Be aware that titleformat title=allcaps can lead to problems%
+      }
+    },
+}
+\pgfkeys{
+  /metropolis/font/titleformat subtitle/.cd,
+    .is choice,
+    regular/.code={%
+      \let\metropolis@subtitleformat\@empty%
+      \setbeamerfont{subtitle}{shape=\normalfont}%
+    },
+    smallcaps/.code={%
+      \let\metropolis@subtitleformat\@empty%
+      \setbeamerfont{subtitle}{shape=\scshape}%
+    },
+    allsmallcaps/.code={%
+      \let\metropolis@subtitleformat\lowercase%
+      \setbeamerfont{subtitle}{shape=\scshape}%
+      \PackageWarning{beamerthememetropolis}{%
+        Be aware that titleformat subtitle=allsmallcaps can lead to problems%
+      }
+    },
+    allcaps/.code={%
+      \let\metropolis@subtitleformat\uppercase%
+      \setbeamerfont{subtitle}{shape=\normalfont}%
+      \PackageWarning{beamerthememetropolis}{%
+        Be aware that titleformat subtitle=allcaps can lead to problems%
+      }
+    },
+}
+\pgfkeys{
+  /metropolis/font/titleformat section/.cd,
+    .is choice,
+    regular/.code={%
+      \let\metropolis@sectiontitleformat\@empty%
+      \setbeamerfont{section title}{shape=\normalfont}%
+    },
+    smallcaps/.code={%
+      \let\metropolis@sectiontitleformat\@empty%
+      \setbeamerfont{section title}{shape=\scshape}%
+    },
+    allsmallcaps/.code={%
+      \let\metropolis@sectiontitleformat\MakeLowercase%
+      \setbeamerfont{section title}{shape=\scshape}%
+      \PackageWarning{beamerthememetropolis}{%
+        Be aware that titleformat section=allsmallcaps can lead to problems%
+      }
+    },
+    allcaps/.code={%
+      \let\metropolis@sectiontitleformat\MakeUppercase%
+      \setbeamerfont{section title}{shape=\normalfont}%
+      \PackageWarning{beamerthememetropolis}{%
+        Be aware that titleformat section=allcaps can lead to problems%
+      }
+    },
+}
+\pgfkeys{
+  /metropolis/font/titleformat frame/.cd,
+    .is choice,
+    regular/.code={%
+      \let\metropolis@frametitleformat\@empty%
+      \setbeamerfont{frametitle}{shape=\normalfont}%
+    },
+    smallcaps/.code={%
+      \let\metropolis@frametitleformat\@empty%
+      \setbeamerfont{frametitle}{shape=\scshape}%
+    },
+    allsmallcaps/.code={%
+      \let\metropolis@frametitleformat\MakeLowercase%
+      \setbeamerfont{frametitle}{shape=\scshape}%
+      \PackageWarning{beamerthememetropolis}{%
+        Be aware that titleformat frame=allsmallcaps can lead to problems%
+      }
+    },
+    allcaps/.code={%
+      \let\metropolis@frametitleformat\MakeUppercase%
+      \setbeamerfont{frametitle}{shape=\normalfont}
+      \PackageWarning{beamerthememetropolis}{%
+        Be aware that titleformat frame=allcaps can lead to problems%
+      }
+    },
+}
+\pgfkeys{
+  /metropolis/font/.cd,
+  titleformattitle/.code=\pgfkeysalso{titleformat title=#1},
+  titleformatsubtitle/.code=\pgfkeysalso{titleformat subtitle=#1},
+  titleformatsection/.code=\pgfkeysalso{titleformat section=#1},
+  titleformatframe/.code=\pgfkeysalso{titleformat frame=#1},
+}
+\newcommand{\metropolis@font@setdefaults}{
+  \pgfkeys{/metropolis/font/.cd,
+    titleformat title=regular,
+    titleformat subtitle=regular,
+    titleformat section=regular,
+    titleformat frame=regular,
+  }
+}
+\def\metropolis@titleformat#1{#1}
+\def\metropolis@subtitleformat#1{#1}
+\def\metropolis@sectiontitleformat#1{#1}
+\def\metropolis@frametitleformat#1{#1}
+\patchcmd{\beamer@title}%
+  {\def\inserttitle{#2}}%
+  {\def\inserttitle{\metropolis@titleformat{#2}}}%
+  {}%
+  {\PackageError{beamerfontthememetropolis}{Patching title failed}\@ehc}
+\patchcmd{\beamer@subtitle}%
+  {\def\insertsubtitle{#2}}%
+  {\def\insertsubtitle{\metropolis@subtitleformat{#2}}}%
+  {}%
+  {\PackageError{beamerfontthememetropolis}{Patching subtitle failed}\@ehc}
+\patchcmd{\sectionentry}
+  {\def\insertsectionhead{#2}}
+  {\def\insertsectionhead{\metropolis@sectiontitleformat{#2}}}
+  {}
+  {\PackageError{beamerfontthememetropolis}{Patching section title failed}\@ehc}
+\@tempswafalse
+\patchcmd{\beamer@section}
+  {\edef\insertsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{\unexpanded{#1}}}}
+  {\edef\insertsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{%
+    \noexpand\metropolis@sectiontitleformat{\unexpanded{#1}}}}}
+  {\@tempswatrue}
+  {}
+\patchcmd{\beamer@section}
+  {\def\insertsectionhead{\hyperlink{Navigation\the\c@page}{#1}}}
+  {\def\insertsectionhead{\hyperlink{Navigation\the\c@page}{%
+    \metropolis@sectiontitleformat{#1}}}}
+  {\@tempswatrue}
+  {}
+\patchcmd{\beamer@section}
+  {\protected@edef\insertsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{#1}}}
+  {\protected@edef\insertsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{%
+    \noexpand\metropolis@sectiontitleformat{#1}}}}
+  {\@tempswatrue}
+  {}
+\if@tempswa\else
+  \PackageError{beamerfontthememetropolis}{Patching section title failed}\@ehc
+\fi
+\@tempswafalse
+\patchcmd{\beamer@subsection}
+  {\edef\insertsubsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{\unexpanded{#1}}}}
+  {\edef\insertsubsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{%
+    \noexpand\metropolis@sectiontitleformat{\unexpanded{#1}}}}}
+  {\@tempswatrue}
+  {}
+\patchcmd{\beamer@subsection}
+  {\def\insertsubsectionhead{\hyperlink{Navigation\the\c@page}{#1}}}
+  {\def\insertsubsectionhead{\hyperlink{Navigation\the\c@page}{%
+    \metropolis@sectiontitleformat{#1}}}}
+  {\@tempswatrue}
+  {}
+\patchcmd{\beamer@subsection}
+  {\protected@edef\insertsubsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{#1}}}
+  {\protected@edef\insertsubsectionhead{\noexpand\hyperlink{Navigation\the\c@page}{%
+    \noexpand\metropolis@sectiontitleformat{#1}}}}
+  {\@tempswatrue}
+  {}
+\if@tempswa\else
+  \PackageError{beamerfontthememetropolis}{Patching section title failed}\@ehc
+\fi
+\patchcmd{\beamer@@frametitle}
+  {{%
+      \gdef\insertframetitle{{#2\ifnum\beamer@autobreakcount>0\relax{}\space%
+      \usebeamertemplate*{frametitle continuation}\fi}}%
+    \gdef\beamer@frametitle{#2}%
+    \gdef\beamer@shortframetitle{#1}%
+    }}
+  {{%
+      \gdef\insertframetitle{{\metropolis@frametitleformat{#2}\ifnum%
+      \beamer@autobreakcount>0\relax{}\space%
+      \usebeamertemplate*{frametitle continuation}\fi}}%
+    \gdef\beamer@frametitle{#2}%
+    \gdef\beamer@shortframetitle{#1}%
+    }}
+  {}
+  {\PackageError{beamerfontthememetropolis}{Patching frame title failed}\@ehc}
+\metropolis@font@setdefaults
+\ProcessPgfPackageOptions{/metropolis/font}
+\endinput
+%%
+%% End of file `beamerfontthememetropolis.sty'.
diff --git a/datenspuren2019/beamerinnerthememetropolis.sty b/datenspuren2019/beamerinnerthememetropolis.sty
new file mode 100644
index 0000000..ed1696c
--- /dev/null
+++ b/datenspuren2019/beamerinnerthememetropolis.sty
@@ -0,0 +1,293 @@
+%%
+%% This is file `beamerinnerthememetropolis.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% beamerinnerthememetropolis.dtx  (with options: `package')
+%% ---------------------------------------------------------------------------
+%% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
+%% contributors can be found at
+%% 
+%%     https://github.com/matze/mtheme/graphs/contributors
+%% 
+%% and the original template was based on the HSRM theme by Benjamin Weiss.
+%% 
+%% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
+%% International License (https://creativecommons.org/licenses/by-sa/4.0/).
+%% ---------------------------------------------------------------------------
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{beamerinnerthememetropolis}[2017/01/23 Metropolis inner theme]
+\RequirePackage{etoolbox}
+\RequirePackage{keyval}
+\RequirePackage{calc}
+\RequirePackage{pgfopts}
+\RequirePackage{tikz}
+\pgfkeys{
+  /metropolis/inner/sectionpage/.cd,
+    .is choice,
+    none/.code=\metropolis@disablesectionpage,
+    simple/.code={\metropolis@enablesectionpage
+                  \setbeamertemplate{section page}[simple]},
+    progressbar/.code={\metropolis@enablesectionpage
+                       \setbeamertemplate{section page}[progressbar]},
+}
+\pgfkeys{
+  /metropolis/inner/subsectionpage/.cd,
+    .is choice,
+    none/.code=\metropolis@disablesubsectionpage,
+    simple/.code={\metropolis@enablesubsectionpage
+                  \setbeamertemplate{section page}[simple]},
+    progressbar/.code={\metropolis@enablesubsectionpage
+                       \setbeamertemplate{section page}[progressbar]},
+}
+\newcommand{\metropolis@inner@setdefaults}{
+  \pgfkeys{/metropolis/inner/.cd,
+    sectionpage=progressbar,
+    subsectionpage=none
+  }
+}
+\setbeamertemplate{title page}{
+  \begin{minipage}[b][\paperheight]{\textwidth}
+    \ifx\inserttitlegraphic\@empty\else\usebeamertemplate*{title graphic}\fi
+    \vfill%
+    \ifx\inserttitle\@empty\else\usebeamertemplate*{title}\fi
+    \ifx\insertsubtitle\@empty\else\usebeamertemplate*{subtitle}\fi
+    \usebeamertemplate*{title separator}
+    \ifx\beamer@shortauthor\@empty\else\usebeamertemplate*{author}\fi
+    \ifx\insertdate\@empty\else\usebeamertemplate*{date}\fi
+    \ifx\insertinstitute\@empty\else\usebeamertemplate*{institute}\fi
+    \vfill
+    \vspace*{1mm}
+  \end{minipage}
+}
+\def\maketitle{%
+  \ifbeamer@inframe
+    \titlepage
+  \else
+    \frame[plain,noframenumbering]{\titlepage}
+  \fi
+}
+\def\titlepage{%
+  \usebeamertemplate{title page}
+}
+\setbeamertemplate{title graphic}{
+  \vbox to 0pt {
+    \vspace*{2em}
+    \inserttitlegraphic%
+  }%
+  \nointerlineskip%
+}
+\setbeamertemplate{title}{
+  \raggedright%
+  \linespread{1.0}%
+  \inserttitle%
+  \par%
+  \vspace*{0.5em}
+}
+\setbeamertemplate{subtitle}{
+  \raggedright%
+  \insertsubtitle%
+  \par%
+  \vspace*{0.5em}
+}
+\newlength{\metropolis@titleseparator@linewidth}
+\setlength{\metropolis@titleseparator@linewidth}{0.4pt}
+\setbeamertemplate{title separator}{
+  \tikzexternaldisable%
+  \begin{tikzpicture}
+    \fill[fg] (0,0) rectangle (\textwidth, \metropolis@titleseparator@linewidth);
+  \end{tikzpicture}%
+  \tikzexternalenable%
+  \par%
+}
+\setbeamertemplate{author}{
+  \vspace*{2em}
+  \insertauthor%
+  \par%
+  \vspace*{0.25em}
+}
+\setbeamertemplate{date}{
+  \insertdate%
+  \par%
+}
+\setbeamertemplate{institute}{
+  \vspace*{3mm}
+  \insertinstitute%
+  \par%
+}
+\defbeamertemplate{section page}{simple}{
+  \begin{center}
+    \usebeamercolor[fg]{section title}
+    \usebeamerfont{section title}
+    \insertsectionhead\par
+    \ifx\insertsubsectionhead\@empty\else
+      \usebeamercolor[fg]{subsection title}
+      \usebeamerfont{subsection title}
+      \insertsubsectionhead
+    \fi
+  \end{center}
+}
+\defbeamertemplate{section page}{progressbar}{
+  \centering
+  \begin{minipage}{22em}
+    \raggedright
+    \usebeamercolor[fg]{section title}
+    \usebeamerfont{section title}
+    \insertsectionhead\\[-1ex]
+    \usebeamertemplate*{progress bar in section page}
+    \par
+    \ifx\insertsubsectionhead\@empty\else%
+      \usebeamercolor[fg]{subsection title}%
+      \usebeamerfont{subsection title}%
+      \insertsubsectionhead
+    \fi
+  \end{minipage}
+  \par
+  \vspace{\baselineskip}
+}
+\newcommand{\metropolis@disablesectionpage}{
+  \AtBeginSection{
+    % intentionally empty
+  }
+}
+\newcommand{\metropolis@enablesectionpage}{
+  \AtBeginSection{
+    \ifbeamer@inframe
+      \sectionpage
+    \else
+      \frame[plain,c,noframenumbering]{\sectionpage}
+    \fi
+  }
+}
+\setbeamertemplate{subsection page}{%
+  \usebeamertemplate*{section page}
+}
+\newcommand{\metropolis@disablesubsectionpage}{
+  \AtBeginSubsection{
+    % intentionally empty
+  }
+}
+\newcommand{\metropolis@enablesubsectionpage}{
+  \AtBeginSubsection{
+    \ifbeamer@inframe
+      \subsectionpage
+    \else
+      \frame[plain,c,noframenumbering]{\subsectionpage}
+    \fi
+  }
+}
+\newlength{\metropolis@progressonsectionpage}
+\newlength{\metropolis@progressonsectionpage@linewidth}
+\setlength{\metropolis@progressonsectionpage@linewidth}{0.4pt}
+\setbeamertemplate{progress bar in section page}{
+  \setlength{\metropolis@progressonsectionpage}{%
+    \textwidth * \ratio{\insertframenumber pt}{\inserttotalframenumber pt}%
+  }%
+  \tikzexternaldisable%
+  \begin{tikzpicture}
+    \fill[bg] (0,0) rectangle (\textwidth, \metropolis@progressonsectionpage@linewidth);
+    \fill[fg] (0,0) rectangle (\metropolis@progressonsectionpage, \metropolis@progressonsectionpage@linewidth);
+  \end{tikzpicture}%
+  \tikzexternalenable%
+}
+\def\inserttotalframenumber{100}
+\newlength{\metropolis@blocksep}
+\newlength{\metropolis@blockadjust}
+\setlength{\metropolis@blocksep}{0.75ex}
+\setlength{\metropolis@blockadjust}{0.25ex}
+\providecommand{\metropolis@strut}{%
+  \vphantom{ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz()}%
+}
+\newcommand{\metropolis@block}[1]{
+  \par\vskip\medskipamount%
+  \setlength{\parskip}{0pt}
+  \ifbeamercolorempty[bg]{block title#1}{%
+    \begin{beamercolorbox}[rightskip=0pt plus 4em]{block title#1}}{%
+  \ifbeamercolorempty[bg]{block title}{%
+    \begin{beamercolorbox}[rightskip=0pt plus 4em]{block title#1}%
+  }%
+  {%
+    \begin{beamercolorbox}[
+      sep=\dimexpr\metropolis@blocksep-\metropolis@blockadjust\relax,
+      leftskip=\metropolis@blockadjust,
+      rightskip=\dimexpr\metropolis@blockadjust plus 4em\relax
+    ]{block title#1}%
+  }}%
+      \usebeamerfont*{block title#1}%
+      \metropolis@strut%
+      \insertblocktitle%
+      \metropolis@strut%
+  \end{beamercolorbox}%
+  \nointerlineskip%
+  \ifbeamercolorempty[bg]{block body#1}{%
+    \begin{beamercolorbox}[vmode]{block body#1}}{
+  \ifbeamercolorempty[bg]{block body}{%
+    \begin{beamercolorbox}[vmode]{block body#1}%
+  }{%
+    \begin{beamercolorbox}[sep=\metropolis@blocksep, vmode]{block body#1}%
+    \vspace{-\metropolis@parskip}
+  }}%
+      \usebeamerfont{block body#1}%
+      \setlength{\parskip}{\metropolis@parskip}%
+}
+\setbeamertemplate{block begin}{\metropolis@block{}}
+\setbeamertemplate{block alerted begin}{\metropolis@block{ alerted}}
+\setbeamertemplate{block example begin}{\metropolis@block{ example}}
+\setbeamertemplate{block end}{\end{beamercolorbox}\vspace*{0.2ex}}
+\setbeamertemplate{block alerted end}{\end{beamercolorbox}\vspace*{0.2ex}}
+\setbeamertemplate{block example end}{\end{beamercolorbox}\vspace*{0.2ex}}
+\setbeamertemplate{itemize items}{\textbullet}
+\setbeamertemplate{caption label separator}{: }
+\setbeamertemplate{caption}[numbered]
+\setbeamertemplate{footnote}{%
+  \parindent 0em\noindent%
+  \raggedright
+  \usebeamercolor{footnote}\hbox to 0.8em{\hfil\insertfootnotemark}\insertfootnotetext\par%
+}
+\newlength{\metropolis@parskip}
+\setlength{\metropolis@parskip}{0.5em}
+\setlength{\parskip}{\metropolis@parskip}
+\linespread{1.15}
+\define@key{beamerframe}{c}[true]{% centered
+  \beamer@frametopskip=0pt plus 1fill\relax%
+  \beamer@framebottomskip=0pt plus 1fill\relax%
+  \beamer@frametopskipautobreak=0pt plus .4\paperheight\relax%
+  \beamer@framebottomskipautobreak=0pt plus .6\paperheight\relax%
+  \def\beamer@initfirstlineunskip{}%
+}
+\providebool{metropolis@standout}
+\define@key{beamerframe}{standout}[true]{%
+  \booltrue{metropolis@standout}
+  \begingroup
+    \setkeys{beamerframe}{c}
+    \setkeys{beamerframe}{noframenumbering}
+    \ifbeamercolorempty[bg]{palette primary}{
+      \setbeamercolor{background canvas}{
+        use=palette primary,
+        bg=-palette primary.fg
+      }
+    }{
+      \setbeamercolor{background canvas}{
+        use=palette primary,
+        bg=palette primary.bg
+      }
+    }
+    \setbeamercolor{local structure}{
+      fg=palette primary.fg
+    }
+    \centering
+    \usebeamercolor[fg]{palette primary}
+    \usebeamerfont{standout}
+}
+  \apptocmd{\beamer@reseteecodes}{%
+    \ifbool{metropolis@standout}{
+      \endgroup
+      \boolfalse{metropolis@standout}
+    }{}
+  }{}{}
+\metropolis@inner@setdefaults
+\ProcessPgfPackageOptions{/metropolis/inner}
+\endinput
+%%
+%% End of file `beamerinnerthememetropolis.sty'.
diff --git a/datenspuren2019/beamerouterthememetropolis.sty b/datenspuren2019/beamerouterthememetropolis.sty
new file mode 100644
index 0000000..928a122
--- /dev/null
+++ b/datenspuren2019/beamerouterthememetropolis.sty
@@ -0,0 +1,137 @@
+%%
+%% This is file `beamerouterthememetropolis.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% beamerouterthememetropolis.dtx  (with options: `package')
+%% ---------------------------------------------------------------------------
+%% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
+%% contributors can be found at
+%% 
+%%     https://github.com/matze/mtheme/graphs/contributors
+%% 
+%% and the original template was based on the HSRM theme by Benjamin Weiss.
+%% 
+%% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
+%% International License (https://creativecommons.org/licenses/by-sa/4.0/).
+%% ---------------------------------------------------------------------------
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{beamerouterthememetropolis}[2017/01/23 Metropolis outer theme]
+\RequirePackage{etoolbox}
+\RequirePackage{calc}
+\RequirePackage{pgfopts}
+\pgfkeys{
+  /metropolis/outer/numbering/.cd,
+    .is choice,
+    none/.code=\setbeamertemplate{frame numbering}[none],
+    counter/.code=\setbeamertemplate{frame numbering}[counter],
+    fraction/.code=\setbeamertemplate{frame numbering}[fraction],
+}
+\pgfkeys{
+  /metropolis/outer/progressbar/.cd,
+    .is choice,
+    none/.code={%
+      \setbeamertemplate{headline}[plain]
+      \setbeamertemplate{frametitle}[plain]
+      \setbeamertemplate{footline}[plain]
+    },
+    head/.code={\pgfkeys{/metropolis/outer/progressbar=none}
+      \addtobeamertemplate{headline}{}{%
+        \usebeamertemplate*{progress bar in head/foot}
+      }
+    },
+    frametitle/.code={\pgfkeys{/metropolis/outer/progressbar=none}
+      \addtobeamertemplate{frametitle}{}{%
+        \usebeamertemplate*{progress bar in head/foot}
+      }
+    },
+    foot/.code={\pgfkeys{/metropolis/outer/progressbar=none}
+      \addtobeamertemplate{footline}{}{%
+        \usebeamertemplate*{progress bar in head/foot}%
+      }
+    },
+}
+\newcommand{\metropolis@outer@setdefaults}{
+  \pgfkeys{/metropolis/outer/.cd,
+    numbering=counter,
+    progressbar=none,
+  }
+}
+\setbeamertemplate{navigation symbols}{}
+\defbeamertemplate{frame footer}{none}{}
+\defbeamertemplate{frame footer}{custom}[1]{ #1 }
+\defbeamertemplate{frame numbering}{none}{}
+\defbeamertemplate{frame numbering}{counter}{\insertframenumber}
+\defbeamertemplate{frame numbering}{fraction}{
+  \insertframenumber/\inserttotalframenumber
+}
+\defbeamertemplate{headline}{plain}{}
+\defbeamertemplate{footline}{plain}{%
+  \begin{beamercolorbox}[wd=\textwidth, sep=3ex]{footline}%
+    \usebeamerfont{page number in head/foot}%
+    \usebeamertemplate*{frame footer}
+    \hfill%
+    \usebeamertemplate*{frame numbering}
+  \end{beamercolorbox}%
+}
+\newlength{\metropolis@frametitle@padding}
+\setlength{\metropolis@frametitle@padding}{2.2ex}
+\newcommand{\metropolis@frametitlestrut@start}{
+  \rule{0pt}{\metropolis@frametitle@padding +%
+    \totalheightof{%
+      \ifcsdef{metropolis@frametitleformat}{\metropolis@frametitleformat X}{X}%
+    }%
+  }%
+}
+\newcommand{\metropolis@frametitlestrut@end}{
+  \rule[-\metropolis@frametitle@padding]{0pt}{\metropolis@frametitle@padding}
+}
+\defbeamertemplate{frametitle}{plain}{%
+  \nointerlineskip%
+  \begin{beamercolorbox}[%
+      wd=\paperwidth,%
+      sep=0pt,%
+      leftskip=\metropolis@frametitle@padding,%
+      rightskip=\metropolis@frametitle@padding,%
+    ]{frametitle}%
+  \metropolis@frametitlestrut@start%
+  \insertframetitle%
+  \nolinebreak%
+  \metropolis@frametitlestrut@end%
+  \end{beamercolorbox}%
+}
+\setbeamertemplate{frametitle continuation}{%
+  \usebeamerfont{frametitle}
+  \romannumeral \insertcontinuationcount
+}
+\newlength{\metropolis@progressinheadfoot}
+\newlength{\metropolis@progressinheadfoot@linewidth}
+\setlength{\metropolis@progressinheadfoot@linewidth}{0.4pt}
+\setbeamertemplate{progress bar in head/foot}{
+  \nointerlineskip
+  \setlength{\metropolis@progressinheadfoot}{%
+    \paperwidth * \ratio{\insertframenumber pt}{\inserttotalframenumber pt}%
+  }%
+  \begin{beamercolorbox}[wd=\paperwidth]{progress bar in head/foot}
+    \tikzexternaldisable%
+    \begin{tikzpicture}
+      \fill[bg] (0,0) rectangle (\paperwidth, \metropolis@progressinheadfoot@linewidth);
+      \fill[fg] (0,0) rectangle (\metropolis@progressinheadfoot, \metropolis@progressinheadfoot@linewidth);
+    \end{tikzpicture}%
+    \tikzexternalenable%
+  \end{beamercolorbox}
+}
+\AtBeginDocument{%
+  \apptocmd{\appendix}{%
+    \pgfkeys{%
+      /metropolis/outer/.cd,
+      numbering=none,
+      progressbar=none}
+    }{}{}
+}
+\metropolis@outer@setdefaults
+\ProcessPgfPackageOptions{/metropolis/outer}
+\endinput
+%%
+%% End of file `beamerouterthememetropolis.sty'.
diff --git a/datenspuren2019/beamerthememetropolis.sty b/datenspuren2019/beamerthememetropolis.sty
new file mode 100644
index 0000000..9fbe86e
--- /dev/null
+++ b/datenspuren2019/beamerthememetropolis.sty
@@ -0,0 +1,107 @@
+%%
+%% This is file `beamerthememetropolis.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% beamerthememetropolis.dtx  (with options: `package')
+%% ---------------------------------------------------------------------------
+%% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
+%% contributors can be found at
+%% 
+%%     https://github.com/matze/mtheme/graphs/contributors
+%% 
+%% and the original template was based on the HSRM theme by Benjamin Weiss.
+%% 
+%% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
+%% International License (https://creativecommons.org/licenses/by-sa/4.0/).
+%% ---------------------------------------------------------------------------
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{beamerthememetropolis}
+  [2017/01/23 v1.2 Metropolis Beamer theme]
+\RequirePackage{etoolbox}
+\RequirePackage{pgfopts}
+\pgfkeys{/metropolis/.cd,
+  .search also={
+    /metropolis/inner,
+    /metropolis/outer,
+    /metropolis/color,
+    /metropolis/font,
+  }
+}
+\pgfkeys{
+  /metropolis/titleformat plain/.cd,
+    .is choice,
+    regular/.code={%
+      \let\metropolis@plaintitleformat\@empty%
+      \setbeamerfont{standout}{shape=\normalfont}%
+    },
+    smallcaps/.code={%
+      \let\metropolis@plaintitleformat\@empty%
+      \setbeamerfont{standout}{shape=\scshape}%
+    },
+    allsmallcaps/.code={%
+      \let\metropolis@plaintitleformat\MakeLowercase%
+      \setbeamerfont{standout}{shape=\scshape}%
+      \PackageWarning{beamerthememetropolis}{%
+        Be aware that titleformat plain=allsmallcaps can lead to problems%
+      }
+    },
+    allcaps/.code={%
+      \let\metropolis@plaintitleformat\MakeUppercase%
+      \setbeamerfont{standout}{shape=\normalfont}%
+      \PackageWarning{beamerthememetropolis}{%
+        Be aware that titleformat plain=allcaps can lead to problems%
+      }
+    },
+}
+\pgfkeys{
+  /metropolis/titleformat/.code=\pgfkeysalso{
+      font/titleformat title=#1,
+      font/titleformat subtitle=#1,
+      font/titleformat section=#1,
+      font/titleformat frame=#1,
+      titleformat plain=#1,
+    }
+}
+\pgfkeys{/metropolis/.cd,
+  usetitleprogressbar/.code=\pgfkeysalso{outer/progressbar=frametitle},
+  noslidenumbers/.code=\pgfkeysalso{outer/numbering=none},
+  usetotalslideindicator/.code=\pgfkeysalso{outer/numbering=fraction},
+  nosectionslide/.code=\pgfkeysalso{inner/sectionpage=none},
+  darkcolors/.code=\pgfkeysalso{color/background=dark},
+  blockbg/.code=\pgfkeysalso{color/block=fill, inner/block=fill},
+}
+\newcommand{\metropolis@setdefaults}{
+  \pgfkeys{/metropolis/.cd,
+    titleformat plain=regular,
+  }
+}
+\providecommand{\tikzexternalenable}{}
+\providecommand{\tikzexternaldisable}{}
+\useinnertheme{metropolis}
+\useoutertheme{metropolis}
+\usecolortheme{metropolis}
+\usefonttheme{metropolis}
+\AtEndPreamble{%
+  \@ifpackageloaded{pgfplots}{%
+    \RequirePackage{pgfplotsthemetol}
+  }{}
+}
+\newcommand{\metroset}[1]{\pgfkeys{/metropolis/.cd,#1}}
+\def\metropolis@plaintitleformat#1{#1}
+\newcommand{\plain}[2][]{%
+  \PackageWarning{beamerthememetropolis}{%
+    The syntax `\plain' may be deprecated in a future version of Metropolis.
+    Please use a frame with [standout] instead.
+  }
+  \begin{frame}[standout]{#1}
+    \metropolis@plaintitleformat{#2}
+  \end{frame}
+}
+\newcommand{\mreducelistspacing}{\vspace{-\topsep}}
+\metropolis@setdefaults
+\ProcessPgfOptions{/metropolis}
+\endinput
+%%
+%% End of file `beamerthememetropolis.sty'.
diff --git a/datenspuren2019/datenspuren2019.pdf b/datenspuren2019/datenspuren2019.pdf
new file mode 100644
index 0000000..65cfe59
--- /dev/null
+++ b/datenspuren2019/datenspuren2019.pdf
diff --git a/datenspuren2019/directories.png b/datenspuren2019/directories.png
new file mode 100644
index 0000000..e14c62d
--- /dev/null
+++ b/datenspuren2019/directories.png
diff --git a/datenspuren2019/facebook_analytica.png b/datenspuren2019/facebook_analytica.png
new file mode 100644
index 0000000..f26b9cc
--- /dev/null
+++ b/datenspuren2019/facebook_analytica.png
diff --git a/datenspuren2019/gnunet.png b/datenspuren2019/gnunet.png
new file mode 100644
index 0000000..9929d42
--- /dev/null
+++ b/datenspuren2019/gnunet.png
diff --git a/datenspuren2019/handshake.png b/datenspuren2019/handshake.png
new file mode 100644
index 0000000..f8b3510
--- /dev/null
+++ b/datenspuren2019/handshake.png
diff --git a/datenspuren2019/idp_gnuid.pdf b/datenspuren2019/idp_gnuid.pdf
new file mode 100644
index 0000000..b480381
--- /dev/null
+++ b/datenspuren2019/idp_gnuid.pdf
diff --git a/datenspuren2019/idp_info.png b/datenspuren2019/idp_info.png
new file mode 100644
index 0000000..15078e0
--- /dev/null
+++ b/datenspuren2019/idp_info.png
diff --git a/datenspuren2019/idp_nameid.pdf b/datenspuren2019/idp_nameid.pdf
new file mode 100644
index 0000000..2c04a65
--- /dev/null
+++ b/datenspuren2019/idp_nameid.pdf
diff --git a/datenspuren2019/idp_traditional.pdf b/datenspuren2019/idp_traditional.pdf
new file mode 100644
index 0000000..1dbd469
--- /dev/null
+++ b/datenspuren2019/idp_traditional.pdf
diff --git a/datenspuren2019/iu.jpg b/datenspuren2019/iu.jpg
new file mode 100644
index 0000000..ac61347
--- /dev/null
+++ b/datenspuren2019/iu.jpg
diff --git a/datenspuren2019/motiv.pdf b/datenspuren2019/motiv.pdf
new file mode 100644
index 0000000..c3f583d
--- /dev/null
+++ b/datenspuren2019/motiv.pdf
diff --git a/datenspuren2019/nameid.png b/datenspuren2019/nameid.png
new file mode 100644
index 0000000..e5b0667
--- /dev/null
+++ b/datenspuren2019/nameid.png
diff --git a/datenspuren2019/nsa.jpg b/datenspuren2019/nsa.jpg
new file mode 100644
index 0000000..09f8e18
--- /dev/null
+++ b/datenspuren2019/nsa.jpg
diff --git a/datenspuren2019/perf_attrs.png b/datenspuren2019/perf_attrs.png
new file mode 100644
index 0000000..7ed59a7
--- /dev/null
+++ b/datenspuren2019/perf_attrs.png
diff --git a/datenspuren2019/pgfplotsthemetol.sty b/datenspuren2019/pgfplotsthemetol.sty
new file mode 100644
index 0000000..7f07743
--- /dev/null
+++ b/datenspuren2019/pgfplotsthemetol.sty
@@ -0,0 +1,123 @@
+%%
+%% This is file `pgfplotsthemetol.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% pgfplotsthemetol.dtx  (with options: `package')
+%% ---------------------------------------------------------------------------
+%% Copyright 2015 Matthias Vogelgesang and the LaTeX community. A full list of
+%% contributors can be found at
+%% 
+%%     https://github.com/matze/mtheme/graphs/contributors
+%% 
+%% and the original template was based on the HSRM theme by Benjamin Weiss.
+%% 
+%% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
+%% International License (https://creativecommons.org/licenses/by-sa/4.0/).
+%% ---------------------------------------------------------------------------
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{pgfplotsthemetol}
+    [2017/01/23 PGFplots colors based on Paul Tol's SRON technical note]
+\definecolor{TolDarkPurple}{HTML}{332288}
+\definecolor{TolDarkBlue}{HTML}{6699CC}
+\definecolor{TolLightBlue}{HTML}{88CCEE}
+\definecolor{TolLightGreen}{HTML}{44AA99}
+\definecolor{TolDarkGreen}{HTML}{117733}
+\definecolor{TolDarkBrown}{HTML}{999933}
+\definecolor{TolLightBrown}{HTML}{DDCC77}
+\definecolor{TolDarkRed}{HTML}{661100}
+\definecolor{TolLightRed}{HTML}{CC6677}
+\definecolor{TolLightPink}{HTML}{AA4466}
+\definecolor{TolDarkPink}{HTML}{882255}
+\definecolor{TolLightPurple}{HTML}{AA4499}
+\pgfplotscreateplotcyclelist{mbarplot cycle}{%
+  {draw=TolDarkBlue,    fill=TolDarkBlue!70},
+  {draw=TolLightBrown,  fill=TolLightBrown!70},
+  {draw=TolLightGreen,  fill=TolLightGreen!70},
+  {draw=TolDarkPink,    fill=TolDarkPink!70},
+  {draw=TolDarkPurple,  fill=TolDarkPurple!70},
+  {draw=TolDarkRed,     fill=TolDarkRed!70},
+  {draw=TolDarkBrown,   fill=TolDarkBrown!70},
+  {draw=TolLightRed,    fill=TolLightRed!70},
+  {draw=TolLightPink,   fill=TolLightPink!70},
+  {draw=TolLightPurple, fill=TolLightPurple!70},
+  {draw=TolLightBlue,   fill=TolLightBlue!70},
+  {draw=TolDarkGreen,   fill=TolDarkGreen!70},
+}
+\pgfplotscreateplotcyclelist{mlineplot cycle}{%
+  {TolDarkBlue, mark=*, mark size=1.5pt},
+  {TolLightBrown, mark=square*, mark size=1.3pt},
+  {TolLightGreen, mark=triangle*, mark size=1.5pt},
+  {TolDarkBrown, mark=diamond*, mark size=1.5pt},
+}
+\pgfplotsset{
+  compat=1.9,
+  mlineplot/.style={
+    mbaseplot,
+    xmajorgrids=true,
+    ymajorgrids=true,
+    major grid style={dotted},
+    axis x line=bottom,
+    axis y line=left,
+    legend style={
+      cells={anchor=west},
+      draw=none
+    },
+    cycle list name=mlineplot cycle,
+  },
+  mbarplot base/.style={
+    mbaseplot,
+    bar width=6pt,
+    axis y line*=none,
+  },
+  mbarplot/.style={
+    mbarplot base,
+    ybar,
+    xmajorgrids=false,
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+  disable thousands separator/.style={
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+\endinput
+%%
+%% End of file `pgfplotsthemetol.sty'.
diff --git a/datenspuren2019/reclaim.nav b/datenspuren2019/reclaim.nav
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diff --git a/datenspuren2019/reclaim.snm b/datenspuren2019/reclaim.snm
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/datenspuren2019/reclaim.snm
diff --git a/datenspuren2019/reclaim.tex b/datenspuren2019/reclaim.tex
new file mode 100644
index 0000000..954e028
--- /dev/null
+++ b/datenspuren2019/reclaim.tex
@@ -0,0 +1,495 @@
+\documentclass[aspectratio=169]{beamer}
+\usepackage{appendixnumberbeamer}
+\usetheme{metropolis}           % Use metropolis theme
+\definecolor{fhggreen}{RGB}{23,156,125}
+\let\oldemph\textbf
+\renewcommand{\textbf}[1]{{\color{mLightBrown}\oldemph{#1}}}
+
+\usepackage{blkarray}
+\usepackage{amsmath}
+\usepackage{multirow}
+\title{\includegraphics[trim={6cm 7cm 6cm 7cm},clip,width=0.5\textwidth]{reclaim_small}\\\small{Datenspuren 2019}}
+\date{21.9.2019}
+\author{Martin Schanzenbach}
+\institute{\includegraphics[width=.25\textwidth]{aisec_logo.pdf} \hfill \large{GNUnet} \includegraphics[trim={0cm 1.5cm 0cm 0cm},clip,width=5em]{gnunet}}
+\begin{document}
+  \metroset{block=fill,sectionpage=progressbar,numbering=counter}
+  \maketitle
+ \section{Motivation}
+
+\begin{frame}{Motivation}
+  Identity Provider Market:
+    \begin{center}
+      \includegraphics[width=0.9\textwidth]{idp_info}
+    \end{center}
+    \begin{tiny}
+      Source: \url{http://www.gigya.com/blog/the-landscape-of-customer-identity-q2-2015/}
+    \end{tiny}
+\end{frame}
+ \begin{frame}{Motivation}
+   Issues:
+   \begin{enumerate}
+     \item \textbf{Privacy} concerns:
+       \begin{itemize}
+         \item Targeted advertisement, opinion shaping.
+         \item ``Public safety'': Mass surveillance and data collection.
+       \end{itemize}
+       \pause
+     \item \textbf{Liability} risks:
+       \begin{itemize}
+         \item Data loss through leaks or hacks may result in existential legal implications (GDPR).
+       \end{itemize}
+       \pause
+     \item \textbf{Oligopoly}:
+       \begin{itemize}
+         \item ``There can be only one (two)''.
+         \item IdP market tends to degenerate.
+         \item Federation not widely used.
+       \end{itemize}
+   \end{enumerate}
+ \end{frame}
+
+\begin{frame}{Approach}
+  \textbf{Primary objective}: We must enable users to exercise their right to digital self-determination:
+    \begin{enumerate}
+        \pause
+      \item Avoid third party services for identity management and data sharing.
+        \pause
+      \item Open, free and decentralized service which is not under the control of a single organization, consortium or business.
+        \pause
+      \item Free software.
+    \end{enumerate}
+    \pause
+    $\Rightarrow$ Empower users to \textbf{reclaim} control over their digital identities.
+ \end{frame}
+
+
+ \begin{frame}{What does an IdP do?}
+   \begin{enumerate}
+     \item Identity provisioning and access control
+       \begin{itemize}
+         \item Allow management of identities and personal data.
+         \item Facilitate sharing of identity data with third parties.
+         \item Provide up-to-date information accessible even if user is offline.
+         \item Enforce authorization decisions of user.
+         \uncover<3->{\item[$\Rightarrow$] \textbf {re:claimID}}
+       \end{itemize}
+       \pause
+       {\color<3->{gray}
+     \item Identity information verification and attestation:
+       \begin{itemize}
+           {\color<3->{gray}
+         \item ``this is Alice's email address'': Email provider.
+         \item ``this person is living in Germany'': Sovereign state.
+         \uncover<3->{\item[$\Rightarrow$] \textbf {Not our department!*}}
+           }
+       \end{itemize}
+       \uncover<3->{\tiny{*We will revisit this further on.}}
+       }
+   \end{enumerate}
+   %\begin{enumerate}
+   %  \item Identities and attributes must be shared over a secure, decentralized storage to allow access even of user is offline
+   %  \item Access control on data without trusted entity that enforces authorization decisions by user of he is offline
+   %\end{enumerate}
+ \end{frame}
+
+
+
+\section{Introducing \includegraphics[trim={6cm 8.2cm 6cm 7cm},clip,width=.4\textwidth]{reclaim_small}}
+
+\begin{frame}
+  \begin{itemize}
+    \item re:claimID is a \textbf{self-sovereign} personal data sharing system.
+    \item Other self-sovereign identity systems you may have head about:
+      \begin{itemize}
+        \item Sovrin (Hyperledger)\uncover<2->{$\Leftarrow$ \textbf{Permissioned blockchain}}
+        \item uPort (Ethereum)\uncover<3->{$\Leftarrow$ \textbf{Data shared off-chain: If user is offline data not accessible}}.
+        \item NameID (Namecoin) \uncover<4->{$\Leftarrow$ \textbf{Access control through central server (wat?)}}
+
+      \end{itemize}
+    \uncover<5->{\item[!] re:claimID does \textbf{not} require a blockchain, is fully decentralized and allows asynchronuous data access.}
+  \end{itemize}
+\end{frame}
+
+
+
+\begin{frame}{In a nutshell}
+  \begin{minipage}[m]{0.40\textwidth}
+    \centering
+    \centering
+    \includegraphics[trim={6cm 7cm 6cm 7cm},clip,width=1\textwidth]{reclaim_small}
+  \end{minipage}
+  \begin{minipage}[m]{0.2\textwidth}
+    \centering
+    \Huge {\color{black} =}
+  \end{minipage}
+  \begin{minipage}[m]{0.25\textwidth}
+    \centering
+    {\large \textbf{Decentralized directory service}}\\
+    \vspace{1em}
+    {\Huge \color{black} +}\\
+    \vspace{1em}
+    {\large \textbf{Cryptographic access control}}
+  \end{minipage}
+\end{frame}
+
+\begin{frame}{Directory services?}
+  \begin{center}
+    \includegraphics[width=1\textwidth]{directories}
+  \end{center}
+\end{frame}
+
+
+\begin{frame}{In a nutshell}
+  \begin{itemize}
+    \item Decentralized directory service
+      \begin{itemize}
+        \item Secure \textbf{name system} with open name registration.
+        \item Idea ``borrowed'' from NameID.
+        \item Example: nslookup email.bob.org $\Rightarrow$ ``bob@example.com''
+        \item Our implementation uses the \textbf{GNU Name System (GNS)}
+      \end{itemize}
+      \pause
+    \item Cryptographic access control layer
+      \begin{itemize}
+        \item Provided by GNS through encrypted and signed resource records.
+        \item Protects identity data from unwanted disclosure and allows users to enforce access control.
+      \end{itemize}
+  \end{itemize}
+  %\begin{enumerate}
+  %  \item Identities and attributes must be shared over a secure, decentralized storage to allow access even of user is offline
+  %  \item Access control on data without trusted entity that enforces authorization decisions by user of he is offline
+  %\end{enumerate}
+\end{frame}
+
+%\begin{frame}{Centralized Storage, centralized IdP}
+%  \includegraphics[width=1\textwidth]{idp_traditional}
+%\end{frame}
+%\begin{frame}{Decentralized Storage, centralized IdP}
+%  \includegraphics[width=1\textwidth]{idp_nameid}
+%\end{frame}
+%\begin{frame}{reclaimID}
+%  \includegraphics[width=1\textwidth]{idp_gnuid}
+%\end{frame}
+%
+
+
+\section{How does it work}
+
+\begin{frame}{Managing and publishing identity information}
+  \centering
+  \includegraphics[width=1\textwidth]{Reclaim-2}
+\end{frame}
+
+\begin{frame}{The GNU Name System}
+  \begin{itemize}
+    \item In GNS, a namespace is defined by a public/private EC key pair:
+      \begin{itemize}
+        \item $x$: Private key
+        \item $P$: Public key
+        \item $G$: Generator of the curve
+        \item $n$: Group order
+      \end{itemize}
+      \pause
+    \item Records are encrypted and signed using keys derived from $(x,P)$.
+      \pause
+    \item Encrypted records are published in a distributed hash table (under key $q$).
+      \pause
+    \item Any peer is able to verify the signature as the corresponding derived public key is also published.
+    \pause
+    \item Records can only be resolved and decrypted if the true identity and the label is known.
+    \pause
+    \item[$\Rightarrow$] Namespaces \textbf{cannot} be enumerated and queries/responses \textbf{cannot}* be observed.
+  \end{itemize}
+  \tiny{*Unless label and identity are known.}
+\end{frame}
+
+\begin{frame}{Identity attributes in GNS}
+  Users may create a namespace  $(x,P)$ and use it as a digital identity containing personal information:
+  \begin{table}[h]
+    \begin{tabular}{|c|c|c|}
+      \hline
+      Label & Record Type & Value \\\hline\hline
+      $l_{email}$    & \texttt{ATTR} & ``email=alice@example.com''\\\hline
+      $l_{name}$    & \texttt{ATTR} & ``name=Alice Doe''\\\hline
+      $l_{dob}$  & \texttt{ATTR}    & ``dob=1.3.1987'' \\\hline
+    \end{tabular}
+  \end{table}
+  where the labels are \textbf{random secret values} with high entropy.
+\end{frame}
+
+
+\begin{frame}{Publishing information}
+  Given a namespace $(x,P)$, we can treat labels as shared secrets in order to selectively disclose information.
+
+  %\setlength{\jot}{4.5pt}
+  \[
+    \def\arraystretch{1.1}
+    \begin{blockarray}{r@{\;}l}
+      \begin{block}{r@{\;}l}
+        h &:= Hash(l_{attr},P) \\[\jot]
+      \end{block}
+      \pause
+      \\
+      \begin{block}{\Left{\textbf{DHT key }}{\{}r@{\;}l}
+        q &:= H(hP) \\
+      \end{block}
+      \pause
+      \\
+      \begin{block}{\Left{\textbf{Encryption }}{\{}r@{\;}l}
+        k &:= HKDF(l_{attr},P) \\[\jot]
+        Record &:= Enc_k(Data) \\[\jot]
+      \end{block}
+      \pause
+      \\
+      \begin{block}{\Left{\textbf{Signature }}{\{}r@{\;}l}
+        d &:= h\cdot x~mod~n \\[\jot]
+        Signature &= Sig_d(Record) \\[\jot]
+      \end{block}
+    \end{blockarray}
+  \]
+\end{frame}
+
+\begin{frame}{Authorizing access}
+  \centering
+  \includegraphics[width=1\textwidth]{Reclaim-3}
+\end{frame}
+
+
+\begin{frame}{Authorizing access}
+  \begin{table}[h]
+    \begin{tabular}{|c|c|c|}
+      \hline
+      Label & Record Type & Value \\\hline\hline
+      $l_{email}$    & \texttt{ATTR} & ``email=alice@doe.com''\\\hline
+      $l_{name}$    & \texttt{ATTR} & ``name=Alice Doe''\\\hline
+      $l_{dob}$  & \texttt{ATTR}    & ``dob=1.3.1987'' \\\hline\pause
+      \multirow{2}{*}{\textbf{$l_{ticket}$}}    & \texttt{ATTR\_REF} & $l_{email}$\\\cline{2-3}
+      & \texttt{ATTR\_REF} & $l_{dob}$\\\hline
+    \end{tabular}
+  \end{table}
+  \begin{itemize}
+    \item For each authorized party, the user publishes reference records under the secret label \textbf{$l_{ticket}$}
+    \item \textbf{$l_{ticket}$} can be shared with a third party in order to authorize access to email and dob.
+    \item Indirection enables us to revoke tickets.
+  \end{itemize}
+\end{frame}
+
+
+%\begin{frame}{Transfer keys}
+%  \centering
+%  \includegraphics[width=1\textwidth]{Reclaim-3}
+%\end{frame}
+
+
+\begin{frame}{Retrieve and decrypt attributes}
+  \centering
+  \includegraphics[width=1\textwidth]{Reclaim-4}
+\end{frame}
+
+\begin{frame}{Retrieving information}
+  Given an identity with public key $P$, we can retrieve references using \textbf{$l_{ticket}$} and subsequently identity info from GNS.
+
+  %\setlength{\jot}{4.5pt}
+  \[
+    \def\arraystretch{1.1}
+    \begin{blockarray}{r@{\;}l}
+      \begin{block}{r@{\;}l}
+        h &:= Hash(l_{ticket},P) \\[\jot]
+      \end{block}
+      \pause
+      \\
+      \begin{block}{\Left{\textbf{DHT key }}{\{}r@{\;}l}
+        q &:= H(hP) \\[\jot]
+      \end{block}
+      \pause
+      \\
+      \begin{block}{\Left{\textbf{Record decryption }}{\{}r@{\;}l}
+        k &:= HKDF(l_{ticket},P) \\[\jot]
+        Data &:= Dec_k(Record) \\[\jot]
+      \end{block}
+    \end{blockarray}
+  \]
+\end{frame}
+
+\begin{frame}{Integration}
+  \begin{itemize}
+    \item re:claimID implements the OpenID Connect protocol.
+    \item For websites, it is just like integrating any other IdP (e.g. Google)
+    \item For users, the authorization flow looks just like with anny other OpenID Connect IdP.
+  \end{itemize}
+\end{frame}
+
+\begin{frame}{}
+  \centering
+  Demo
+\end{frame}
+
+
+\section{Who sais that, anyway?}
+
+\begin{frame}{Attestations}
+  \centering
+  \begin{itemize}
+    \item Sometimes we need third party assurances to establish trust in identities.
+      \pause
+    \item Currently, IdPs such as Facebook/Google implicitly provide this assurance (i.e. vouch for the truthfulness and correctness).
+      \pause
+    \item Claim: Those parties are not actually the authorities over (most of) your personal data! Examples:
+      \begin{itemize}
+        \item Real name (State/Self-asserted/Other organization)
+        \item Phone number (Provider)
+        \item Address (State/Self-asserted)
+        \item Citizenship (State)
+        \item Age (State)
+        \item Email address (Mail provider)
+      \end{itemize}
+  \end{itemize}
+\end{frame}
+
+\begin{frame}{Attestations}
+  \centering
+  \begin{itemize}
+    \item What users actually need is a \textbf{collection of credentials}.
+      \pause
+    \item Those credentials are issued by a \textbf{variety of different entities}, including the user.
+      \pause
+    \item Credentials are ideally \textbf{preserving the privacy} of the individual, e.g. using zero-knowledge proofs.
+      \pause
+    \item Those ideas are already finding their way into standards:
+      \begin{itemize}
+        \item W3C: ``Verifiable Credentials''
+        \item OpenID Connect: ``Aggregated Claims'' \uncover<5->{$\Leftarrow$ \textbf{working on it}.}
+      \end{itemize}
+  \end{itemize}
+\end{frame}
+
+
+%\begin{frame}{Authorization protocol and key transfer}
+%  \centering
+%  \begin{center}
+%    \begin{minipage}[m]{0.8\textwidth}
+%      \centering
+%      \includegraphics[trim={6cm 6.5cm 6cm 7cm},clip,width=0.5\textwidth]{reclaim_small}
+%      \vspace{0.5cm}
+%    \end{minipage}
+%
+%    \begin{minipage}[m]{0.8\textwidth}
+%      \centering
+%      %{\Huge \color{fhggreen} $\heartsuit$}
+%      \includegraphics[clip,width=1.5cm]{handshake}
+%    \end{minipage}
+%
+%    \begin{minipage}[m]{0.7\textwidth}
+%      \centering
+%      \vspace{0.5cm}
+%      %\includegraphics[width=0.2\textwidth]{openid_logo}
+%      \huge{OpenID Connect}
+%    \end{minipage}
+%  \end{center}
+%\end{frame}
+
+\section{Using re:claimID}
+\begin{frame}{Installing re:claimID}
+  \begin{enumerate}
+    \item Install the webextension: \url{https://addons.mozilla.org/firefox/addon/reclaimid/}
+    \item \uncover<2->{Install \textbf{GNUnet} $>=0.11.6$}
+  \end{enumerate}
+  \pause
+  \uncover<1-2>{
+    \begin{center}
+      \includegraphics[height=0.4\textwidth]{iu.jpg}
+    \end{center}
+  }
+\end{frame}
+
+\begin{frame}{Installing re:claimID}
+  Get help installing GNUnet and/or re:claimID at our workshop today!
+  \begin{itemize}
+    \item Right after this.
+    \item Time: 12:15 PM -- 15:00 PM
+    \item Location: Seminarraum
+  \end{itemize}
+\end{frame}
+
+
+\section{Summary}
+
+\begin{frame}{Status}
+  \begin{itemize}
+    \item Get it at \url{https://reclaim-identity.io}.
+    \item Demo websites exist:
+      \begin{itemize}
+        \item \url{https://demo.reclaim-identity.io}
+        \item \url{https://eusec.clouditor.io}
+      \end{itemize}
+    \item Roadmap:
+      \begin{itemize}
+        \item User-friendly packaging (of GNUnet)
+        \item Ship GNUnet inside browser plugin (yes, that might even work).
+        \item ``1.0'' by end of 2019
+      \end{itemize}
+  \end{itemize}
+  \begin{center}
+      \end{center}
+\end{frame}
+
+
+\begin{frame}
+  \begin{center}
+    Questions?\\
+    \vspace{2cm}
+    \url{https://reclaim-identity.io}\\
+    \url{https://gnunet.org}\\
+    \vspace{1em}
+    {\tiny
+    \texttt{schanzen@aisec.fraunhofer.de}\\
+    \texttt{6665~201E~A925~7CC6~8FDE~77E8~8433~5131~EA3D~ABF0}\\
+    -- or --\\
+    \texttt{schanzen@gnunet.org}\\
+    \texttt{3D11~063C~10F9~8D14~BD24~D147~0B09~98EF~86F5~9B6A}\\
+    }
+  \end{center}
+\end{frame}
+
+\appendix
+
+\begin{frame}{References}
+  \centering
+  {\small
+  \begin{enumerate}
+    \item {Matthias Wachs, Martin Schanzenbach and Christian Grothoff. {\em A Censorship-Resistant, Privacy-Enhancing and Fully Decentralized Name System}. {\bf 13th Intern
+      ational Conference on Cryptology and Network Security}, 2014.}
+    \item {Martin Schanzenbach, Georg Bramm, Julian Schütte. {\em reclaimID: Secure, Self-Sovereign Identities Using Name Systems and Attribute-Based Encryption}. {\bf 17th
+      IEEE International Conference On Trust, Security And Privacy In Computing And Communications (TrustCom)}, 2018}
+  \end{enumerate}
+  }
+\end{frame}
+
+
+
+%\begin{frame}{NameID}
+%  NameID:
+%  \begin{center}
+%    \includegraphics[width=1\textwidth]{nameid}
+%  \end{center}
+%\end{frame}
+%
+%\begin{frame}{Performance}
+%  Impact of name system caches on successive attribute resolution.
+%  \begin{center}
+%    \includegraphics[width=0.7\textwidth]{attr_perf_plot_100}
+%  \end{center}
+%
+%\end{frame}
+%
+%\begin{frame}{Performance}
+%  Attribute resolution performance depending on network size.
+%  \begin{center}
+%    \includegraphics[width=0.8\textwidth]{perf_attrs.png}
+%  \end{center}
+%
+%\end{frame}
+%
+
+\end{document}
diff --git a/datenspuren2019/reclaim_small.png b/datenspuren2019/reclaim_small.png
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