\begin{itemize} \item Fields of Applications: \begin{itemize} \item Security: hash function, steganography, stream cipher \item Time Synchronization: GPS \item Numerical simulations: Monte-Carlo algorithms \item<2->\alert{Simulation of Chaotic systems: protein dynamics e.g.} \end{itemize} \item Requirements: \begin{itemize} \item Reproducibility: same seed $\leadsto$ same stream \item Successful pass on PRNG batteries of tests: NIST\footnote{E.~Barker and A.~Roginsky. \newblock Draft {N}{I}{S}{T} special publication 800-131 recommendation for the transitioning of cryptographic algorithms and key sizes, 2010.}, DieHARD\footnote{G.~Marsaglia. \newblock DieHARD: a battery of tests of randomness. \newblock {\em http://stat.fsu.edu/~geo/diehard.html}, 1996} \item<2-> \alert{Should have chaotic properties } \end{itemize} \end{itemize}