mirror of
https://github.com/MartinThoma/LaTeX-examples.git
synced 2025-04-26 06:48:04 +02:00
7740f0147f
The commands
find . -type f -name '*.md' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
and
find . -type f -name '*.tex' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
were used to do so.
50 lines
1.6 KiB
TeX
50 lines
1.6 KiB
TeX
\documentclass{article}
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\usepackage[pdftex,active,tightpage]{preview}
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\usepackage{tikz}
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\usetikzlibrary{calc}
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\begin{document}
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\begin{preview}
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% thanks to http://tex.stackexchange.com/a/75838/5645
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\tikzset{XOR/.style={fill=black!15,draw,minimum size=13pt,circle,append after command={
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[shorten >=\pgflinewidth, shorten <=\pgflinewidth,]
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(\tikzlastnode.north) edge (\tikzlastnode.south)
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(\tikzlastnode.east) edge (\tikzlastnode.west)
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}
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}
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}
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\tikzstyle{encrypt}=[draw,fill=black!15,rectangle,minimum size=20pt,inner sep=0pt]
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\begin{tikzpicture}
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\newcommand{\n}{3}
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\foreach \nr in {1, ..., \n}{
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\node (M\nr) at (0,{(\n-\nr)*2}) {$M_\nr$};
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\node (x\nr)[XOR] at (2,{(\n-\nr)*2}) {};
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\node (E\nr)[encrypt] at (4,{(\n-\nr)*2}) {$E$};
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\node (C\nr) at (6,{(\n-\nr)*2}) {$C_\nr$};
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\node (K\nr) at (4,{(\n-\nr)*2+1}) {$K$};
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\draw[->,very thick] (M\nr) -- (x\nr);
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\draw[->,very thick] (x\nr) -- (E\nr);
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\draw[->,very thick] (E\nr) -- (C\nr);
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\draw[->,very thick] (K\nr) -- (E\nr);
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}
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\foreach \nr in {2, ..., \n}{
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\pgfmathtruncatemacro{\tmp}{\nr-1}
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\draw[->,very thick] (E\tmp) -- (4, {(\n-\tmp)*2-0.5}) -- (2, {(\n-\nr)*2+1.5}) -- (x\nr);
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}
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\node (IV) at (2,{\n*2-1}) {$IV$};
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\draw[->, very thick] (IV) -- (x1);
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\node (Mx) at (0,-1) {$\vdots$};
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\node (xx) at (2,-1) {$\vdots$};
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\node (Ex) at (4,-1) {$\vdots$};
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\node (Cx) at (6,-1) {$\vdots$};
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\end{tikzpicture}
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\end{preview}
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\end{document}
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