Patent ID: 9715595
Date: 2017-07-25
CPC Classifications: G06F,H04L

Claim:
1. A method for secure distributed storage, on N servers, where N is an integer greater than 1, of confidential data, the method comprising, at a recording device: obtaining confidential data, obtaining an approximated short representation of the confidential data, obtaining N shares of the confidential data such that at least t shares among the N shares are required in order to reconstitute the confidential data, where t is an integer threshold of at least 2 and at most N, and obtaining N short shares of the approximated short representation such that at least t short shares among the N short shares are required to reconstitute the approximated short representation, transmitting the N shares to the N servers, respectively, and the N short shares to the N servers, respectively, in order to store the N shares and the N short shares in the N servers.