A method of secure recognization for pervasive face-to-face social communications may comprise: initiating a procedure for generating a recognization protocol; exchanging information for the recognization protocol with one or more apparatuses, wherein the information indicates wearable devices used in executing the recognization protocol and users carrying the wearable devices; and generating the recognization protocol by negotiating with the one or more apparatuses a kind of code word which is presented by the wearable devices during executing the recognization protocol.
展开▼