A Quantum Swarm Authentication Method Based on Grover Algorithm
An authentication method, quantum technology, applied in user identity/authority verification, digital transmission systems, secure communication devices, etc., can solve problems such as low efficiency, low, waste of classical resources and quantum resources, etc., to achieve less quantum transmission times, improve Safety, the effect of ensuring safety
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[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0048] The invention provides a quantum group authentication method based on the Grover algorithm, comprising the following steps:
[0049] S1. The authentication management center prepares the authentication quantum state for the network group. The quantum state is a two-particle state, expressed as |S w >
[0050] S2. The authentication management center randomly generates n private shares and group authentication codes according to the Shamir(t,n) threshol...
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