Patent ID: 9401810
Filing Date: 2016-07-26
CPC Classification: H04L

Claim Text:
1. A method comprising: selecting, by an apparatus of an information sender, one or more recipient criteria for data, wherein the one or more recipient criteria include at least one user feature other than a user location; formatting, by the apparatus, the selected one or more recipient criteria into a predetermined information representation format or structure; encrypting, by the apparatus, the data using the formatted one or more recipient criteria as a public key of identity-based encryption; causing, at least in part by the apparatus, a publication of the encrypted data as being publicly available; and causing, at least in part by the apparatus, a transmission of a decryption key for the encrypted data via a network only to a requester for the encrypted data who satisfies the one or more recipient criteria, wherein recipient identification remains unknown to the information sender.