diff --git a/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.pdf b/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.pdf index d809a48..1aece91 100644 Binary files a/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.pdf and b/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.pdf differ diff --git a/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.tex b/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.tex index 0b2738b..0f05beb 100644 --- a/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.tex +++ b/Assignment 4 - Protokollsicherheit (Praxis)/abgabe.tex @@ -152,15 +152,13 @@ % Bob starts Protocol \package{10, -2}{5, -2}{\(N_B\)} % Eve sends own Nonce (not necessary, but possible) - \package{5, -3}{0, -3}{\(N_E\)} + \package{5, -3}{0, -3}{\textcolor{red}{\(N_E\)}} % Alice answers \package{0, -4}{5, -4}{\(N_A, N_E, ID_B, \text{Sig}_A(N_A, N_E, ID_B)\)} % Eve uses Bob as oracle - starts a new connection with Bob to obtain the Signature - \package{5, -5}{10, -5}{\(N_A\)} + \textcolor{red}{\package{5, -5}{10, -5}{\(N_A\)}} % Bob answers with the needed signature - \package{10, -6}{5, -6}{\(N_B', N_A, ID_A, \text{Sig}_B(N_B', N_A, ID_A)\)} - % Eve forwards this to Alice who now approves the signature and thinks Eve is Bob. - \package{5, -6}{0, -6}{\(N_B', N_A, ID_A, \text{Sig}_B(N_B', N_A, ID_A)\)} + \package{10, -6}{0, -6}{\(N_B', N_A, ID_A, \text{Sig}_B(N_B', N_A, ID_A)\)} } \textbf{Assumptions} \begin{enumerate}[(1)]