14-81 Muhammad Nadeem

Quantum non-locality and information security (198K, Pdf) Dec 4, 14

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Abstract. We show that quantum non-locality, as discussed here, is sufficient to achieve unconditional information security without requiring advanced quantum technology, pre-shared secret keys or private quantum/classical channels between distant systems (users). Two-fold quantum non-local correlations imply two-way secret transmission in a single round with assurance of confidentiality, integrity and authenticity. Interestingly, the proposed scheme (quantum telephone or QPhone) provides resources for indefinite future secure communication and acts as life-time pad.

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