Secure Quantum Signatures
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Secure Quantum Signatures
Wed, 23/09/2015 - 14:30 to 15:30
Location:
Speaker:
Erika Andersson & Robert Collins
Affiliation:
HWU
Synopsis:
Signature schemes ensure that messages cannot be forged or tampered with. They are used to provide security for electronic communications, for example in financial transactions and e-mail. Importantly, signed messages can also be securely forwarded, that is, they are transferrable. A signature is different from encryption, which guarantees the privacy of a message, but signatures are widely used and no less important. Currently used "classical" digital signature schemes rely on public-key cryptography, resulting in computational security. Unconditionally secure signature schemes are however also possible, based on the laws of quantum mechanics. This forms the basis of a large part of the work Heriot-Watt are contributing in the UK Quantum Technology Hub. In this talk we will accessibly outline how such schemes work, and present our recent experimental work in this area.
Biography:
Carlo A. Trugenberger earned his Ph.D in Theoretical Physics in 1988 at the Swiss Federal Institute of Technology, Zürich and his Master in Economics in 1997 at Bocconi University, Milano. An international academic career in theoretical physics (MIT, Los Alamos Nat. Lab., CERN Geneva, Max Planck Institut Münich) lead him to the position of associate professor of theoretical physics at Geneva university. In 2001 he decided to quit academia and to exploit his expertise in information theory, neural networks and machine intelligence to design an innovative semantic technology and to co-found the company InfoCodex Semantic Technologies AG. His pioneering scientific work on quantum machine intelligence has been recognized in the press and the semantic technology he co-designed has won international benchmarks and awards. He is currently working on applying network theory to develop a model of dynamical quantum space-time.