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The Art of Secret Communication in a Quantum World

Wednesday, February 5, 2020

12.00 p.m.

ISI seminar room 1st floor

Prof. Gilles Brassard - Université de Montréal, Canada

Although practised as an art and science for ages, cryptography had to wait until the mid-twentieth century before Claude Shannon gave it a strong mathematical foundation. However, Shannon’s approach was rooted in his own information theory, itself inspired by the classical physics of Newton and Einstein. When quantum theory is taken into account, new vistas open up both for codemakers and codebreakers. Is this a blessing or a curse for the protection of privacy? As we shall see, the jury is still out!
NB:  No prior knowledge in cryptography or quantum theory will be assumed.
        (Reference: arXiv:1510.04256 [quant-ph]).