Patent ID: 9443092
Filing Date: 2016-09-13
CPC Classification: G06F,H04L,H04W

Claim Text:
1. A method for determining matching data elements of a first data set and a second data set without having to disclose the first data set and the second data set: the method comprising: generating by a first processing device, a perfect hash function PH evaluating, by the first processing device, the perfect hash function, PH encrypting, by the first processing device, each element a sending, by the first processing device, the public key, the perfect hash function, PH evaluating, by the second processing device, the perfect hash function, PH finding, by the second processing device, all i such that PH computing, by the second processing device, Z sending, by the second processing device, to the first processing device; decrypting, by the first processing device using the private key, Z determining, by the first processing device, that element of the first data set matches element b