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Secure random number generation using chaotic circuits

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2 Author(s)
Bernstein, G.M. ; Ford Aerosp. Corp., San Jose, CA, USA ; Lieberman, M.A.

The authors suggest a class of circuits for generating secure pseudo-random numbers and estimate the security of these generators from the information loss property of chaotic systems. For a generator implemented using a chaotic DPLL (digital phase-locked loop), two important cases are considered: (1) given no prior information concerning the initial conditions of a continuously running circuit, the length of time one should wait after taking a bit before one can securely take another bit is established; and (2) given knowledge of the initial conditions at startup (up to measurement and noise uncertainty), the length of time one should wait before starting the bit sampling is shown

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Circuits and Systems, IEEE Transactions on  (Volume:37 ,  Issue: 9 )