deletions | additions       diff --git a/Block Ciphers.tex b/Block Ciphers.tex  index 4362243..7d12037 100644  --- a/Block Ciphers.tex  +++ b/Block Ciphers.tex 
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\item $c_i = E_k(c_{i-1} \oplus p_i)$  \end{itemize}  \end{itemize}  \item Stream Ciphers  \begin{itemize}  \item $C = P \oplus G(s)$ where $G(s)$ is some function $G$ with a seed $s$  \item $G: \sum^k\rightarrow \sum^{poly(k)}$  \end{itemize}  \end{itemize}