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\begin{tikzpicture}[
-latex,
entity/.style = {
draw = gray!30,
thick,
rounded rectangle,
fill = white,
minimum width = 2cm,
font = \fontsize{8}{8}\selectfont,
text = white,
},
relation/.style = {
draw = none,
font = \fontsize{6}{6}\selectfont,
},
path/.style = {
draw,
thick,
-latex,
},
]
\node[entity, fill=darkBlue] (Publisher) at (0,0) { Publisher };
\node[entity, fill=darkGreen, below=1.5cm of Publisher] (EndUser) {End-user};
% Key setup
\path[path, dashed] ($ (EndUser) + (2,0) $) --
node[relation, above] { Public key }
(EndUser);
% Get data and signature
\path[path] (Publisher) --
node[relation, right] {
\begin{tabular}{c}
Opaque data\\
Signature\\
\end{tabular}
}
(EndUser);
% Verification
\path[path, rounded corners]
(EndUser.180) -|
($ (EndUser) + (-1.25,-.75) $)
node[relation, below]{
Verify
} -|
(EndUser.210);
\end{tikzpicture}
|
