Computational indistinguishability and boson sampling

Georgios M. Nikolopoulos

Submitted on 8 November 2022


We introduce a computational problem of distinguishing between the output of an ideal coarse-grained boson sampler and the output of a true random number generator, as a resource for cryptographic schemes, which are secure against computationally unbounded adversaries. Moreover, we define a cryptographic setting for the implementation of such schemes, including message encryption and authentication, as well as entity authentication.


Subjects: Quantum Physics; Computer Science - Computational Complexity; Computer Science - Cryptography and Security; Computer Science - Information Theory