changed challenge font

thesis/sections/security_of_eddsa/gamez_implies_uf-nma.tex

@@ -11,14 +11,14 @@ This section shows that \igame implies the UF-NMA security if the EdDSA signatur
 			\State \quad $a \randomsample \{2^{n-1}, 2^{n-1} + 8, ..., 2^n - 8\}$
 			\State \quad $\groupelement{A} \assign a \groupelement{B}$
 			\State \quad $s^* \randomsample \adversary{A}^{\ioracle(\inp)}(\groupelement{A})$	
-			\State \quad \Return $\exists \groupelement{R}^*, c^*: \groupelement{R}^* = 2^c (s^* \groupelement{B} - c^* \groupelement{A}) \wedge (\groupelement{R}^*, c^*) \in Q$		
+			\State \quad \Return $\exists \groupelement{R}^*, \ch^*: \groupelement{R}^* = 2^c (s^* \groupelement{B} - \ch^* \groupelement{A}) \wedge (\groupelement{R}^*, \ch^*) \in Q$		
 		\end{algorithmic}
 		\columnbreak
 		\begin{algorithmic}[1] 
 			\Statex \underline{\oracle \ioracle($\groupelement{R_i} \in \group{G}$)}
-			\State \quad $chall_i \randomsample \{0,1\}^{2b}$
+			\State \quad $\ch_i \randomsample \{0,1\}^{2b}$
 			\State \quad $Q \assign Q \cup \{ (\groupelement{R}_i, c_i) \}$
-			\State \quad \Return $chall_i$
+			\State \quad \Return $\ch_i$
 		\end{algorithmic}
 	\end{multicols}
 	\hrule