Quantum password sharing scheme using trusted servers

Gabriela Mogos


The main purpose of the sharing schemes based on trusted servers is to obtain a password. The threshold cryptography aims the secret cryptographic protection, and is based on the distribution of the key on several servers, with the purpose to tolerate the attacks. In this work I will present a quantum version of the password sharing protocol, using a number n of trustful servers, to assure its security. The model I propose approaches the issue of the distribution of the authentication key between a client and n-1 servers.

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