Author(s): Alikhani P; Brunner N; Crépeau C; Designolle S; Houlmann R; Shi W; Yang N; Zbinden H;

Protecting secrets is a key challenge in our contemporary information-based era. In common situations, however, revealing secrets appears unavoidable; for instance, when identifying oneself in a bank to retrieve money. In turn, this may have highly undesirable consequences in the unlikely, yet not unrealistic, case where the bank's security gets compr ...

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