The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2019
Filed:
Jun. 26, 2014
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Makan Pourzandi, Montreal, CA;
Feras Aljumah, Montreal, CA;
Mourad Debbabi, Dollard des Ormeaux, CA;
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm, SE;
Abstract
A method for a survey server for managing query communications between at least a requester server and at least one data holding entity is provided. The requester server holds a first share of a private key and the survey server holds a second share of the private key. An encrypted query is received and then forwarded to at least one data holding entity. A plurality of comparison responses is received. Each comparison response is generated by a private comparison protocol that compares the encrypted query with encrypted data. The encrypted data having been encrypted using the public key. Each comparison response having been partially decrypted with the first share of the private key and placed in the array in a randomized order. The array is decrypted using the second share of the private key. At least one result of the query is determined.