7. one-time quantum pad and Quantum Vernam cipher (Slides)
7. one-time quantum pad and Quantum Vernam cipher (Slides)
7. one-time quantum pad and Quantum Vernam cipher (Slides)
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© Claude Crépeau 2002-2009 24Small-Bias Spaces The bias of a r<strong>and</strong>om variable in with respect to a stringdot product on :is the distance from uniform of the bit , where refers to the st<strong>and</strong>ardThe functionis the Fourier transform of the probability mass function of the distribution,taken over the group .The bias of a set with respect to is simply the bias of the uniformdistribution over that set. A setis called -biased if the absolute value of its bias is atmost for all .
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