Patent ID: 9565020
Date: 2017-02-07
CPC Classifications: H04L

Claim:
1. A method for retrieving a high entropy password from a system including a recovery client computer and one or more server computers, the method comprising: preparing to retrieve the high entropy password in utilizing the recover client computer and at least one of the one or more server computers by: choosing, by at least one of the recovery client computer and at least one of the one or more server computers, a threshold t≦n, where t and n represent a number of server computers; retrieving the high entropy password in utilizing the recover client computer and at least one of the one or more server computers by: dividing, by at least one of the recovery client computer and at least one of the one or more server computers, pk setting, by at least one of the recovery client computer and at least one of the one or more server computers, c=G(m), where c is password ciphertext, G is a hash function and m is a message; randomizing, by at least one of the recovery client computer and at least one of the one or more server computers, c″←c sharing the high entropy password in utilizing the recover client computer and at least one of the one or more server computers by: sending, by at least one of the one or more server computers, (d