Bit-oriented quantum public-key encryption
This work addresses the need for secure quantum encryption methods, offering a novel scheme with potential applications in quantum cryptography, though it appears incremental relative to existing quantum public-key research.
The authors tackled the problem of designing a quantum public-key encryption scheme by proposing a bit-oriented approach that uses Boolean functions as private keys and random quantum state-classical string pairs as public keys, achieving information-theoretic security as analyzed in the paper.
We propose a bit-oriented quantum public-key scheme which uses Boolean function as private-key and randomly changed pairs of quantum state and classical string as public-keys. Contrast to the typical classical public-key scheme, one private-key in our scheme corresponds to an exponential number of public-keys. The goal of our scheme is to achieve information-theoretic security, and the security analysis is also given.