48 lines
1.1 KiB
TeX
48 lines
1.1 KiB
TeX
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% Resizing and relocating MSC diagrams
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\newcommand{\msccenter}[1]{\centering{\scalebox{1.0}{#1}}}
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\setmscvalues{normal}
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\normalsize %the MSC command 'setmscvalues normal' is broken.
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\setlength{\instwidth}{1.8cm}
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\setlength{\instdist}{4cm}
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\setlength{\markdist}{0.4cm}
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\setlength{\actionwidth}{\instwidth}
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\setlength{\labeldist}{0.2cm}
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\setlength{\conditionoverlap}{0.8cm}
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%
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\msccenter{
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\begin{msc}{Needham-Schroeder Public Key}
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\declinst{I}{$\pkR,\pkIinv$}{$I$}
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\declinst{R}{$\pkI,\pkRinv$}{$R$}
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\action{$\z{nonce~} \nI$}{I}
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\nextlevel[2.7]
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\mscmark[tl]{1}{I}
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\mess{$\{ I , \nI \}_{\pkR}$}{I}{R}
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\nextlevel[0.5]
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\action{$\z{nonce~} \nR$}{R}
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\nextlevel[2.7]
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\mess{$\{ R , \nI , \nR \}_{\pkI}$}{R}{I}
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\mscmark[tr]{2}{R}
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\nextlevel[1.25]
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\mscmark[tl]{3}{I}
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\mess{$\{ \nR \}_{\pkR}$}{I}{R}
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\nextlevel[1.5]
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\mscmark[tl]{i1}{I}
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\condition{$\secret(\nI)$}{I}
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\mscmark[tr]{r1}{R}
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\condition{$\secret(\nI)$}{R}
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\nextlevel[1.0]
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\end{msc}
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}
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