key-cert-rel.tex

\begin{tikzpicture}[->,>=stealth',shorten >=1pt,auto,node distance=2.0cm,
  thick,key/.style={rectangle,fill=blue!20,draw,
    font=\sffamily,minimum height=5mm,minimum width=15mm},
  cert/.style={rectangle,fill=red!20,draw,
    font=\sffamily,minimum height=5mm,minimum width=15mm},
  label/.style={rectangle,font=\rmfamily,minimum height=5mm,minimum width=10mm}]

  \node[key] (EK) {EK};
  \node[key] (IAK) [node distance=1cm, below of=EK] {IAK};
  \node[key] (IDevID) [node distance=2cm, right of=IAK] {IDevID};
  \node[key] (LDevID) [node distance=1cm, below of=IDevID] {LDevID};
  \node[cert] (EKC) [node distance=2cm,left of=EK] {EK Cert};
  \node[cert] (IAKC) [node distance=2cm,left of=IAK] {IAK Cert};
  \node[cert] (IDevIDC) [node distance=2.2cm,right of=IDevID] {IDevID Cert};
  \node[key] (LAK) [node distance=1cm,below of=IAK] {LAK};
  \node[cert] (LAKC) [node distance=2cm,left of=LAK] {LAK Cert};
  \node[cert] (LDevIDC) [node distance=2.2cm,right of=LDevID] {LDevID Cert};
  \node[label] (ManCA) [node distance=1.75cm,left of=EKC]{Foundry CA};
  \node[label] (OEMCA1) [node distance=1.75cm,left of=IAKC]{OEM CA};
  \node[label] (OEMCA2) [node distance=1.75cm,right of=IDevIDC]{OEM CA};
  \node[label] (OwnerCA1) [node distance=1.75cm,left of=LAKC]{Owner CA};
  \node[label] (OwnerCA2) [node distance=1.9cm,right of=LDevIDC]{Owner CA};

  \path[every node/.style={font=\sffamily\small,fill=white,inner
    sep=1pt}]
  (EK) edge node[right=1mm] {} (IAK)
  (IAK) edge node[above=1mm] {} (IDevID)
  (IAK) edge node[right=1mm] {} (LAK)
  (LAK) edge node[above=1mm] {} (LDevID)
  ;

  \path[every node/.style={font=\sffamily\small,fill=white,inner
    sep=1pt}]
  (EK) edge [color=red] (EKC)
  (IAK) edge [color=red] (IAKC)
  (IDevID) edge [color=red] (IDevIDC)
  (LAK) edge [color=red] (LAKC)
  (LDevID) edge [color=red] (LDevIDC)
  ;

  
  % \path[every node/.style={font=\sffamily\small, fill=white,inner sep=1pt}]
  %   (NM) edge [bend left=30] node[above=1mm] {$\{(R,n,a)\}_{A^{-1}}$} (NME)
  %   (NME) edge [bend left=30] node[below=1mm] {$\{(E,n)\}_{T^{-1}}$} (NM)
  %   (IN) edge (NM)
  %   (NM) edge (OUT)
  %   ;
\end{tikzpicture}

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