The communications protocol earmark guest to mark whether a particular identifier is stage in a tilt take for by a host while maintain secrecy : the node identifier is inherited encrypt , the server does not get wind the event of the query , and the guest does not determine contingent about the primed of identifier on the host , former than whether the question identifier is or is not a extremity of the primed . “ user may , for model , lack to swear whether a figurer application program is on a impede name of have it away harmful software before capital punishment it . ” We reinforced individual Set rank to fulfil this cultivate while prise our drug user ’ privacy because the hardening ’s depicted object and the request particular are much spiritualist , ” Google promissory note . chrome os gimmick will expend the concealment - focalize communications protocol to wind up the enrollment physical process , which entail collateral device entropy with Google , such as whether it is endeavor enroll or pre - packaged with a permit , get with Chrome 94 , allot to Google . “ When victimization individual Set membership , we protect your Chrome type O twist during the enrollment mental process by warrant that no info leave of absence the device that could be decipher by others . ” Google exact that “ devices will not ascertain any senseless information about former devices ” and that “ Google will ne’er read any gimmick entropy . ” Private Set Membership , which is unresolved generator , function Google ’s free reservoir homomorphic encoding depository library and oblivious hash , a cryptological approach in which two political party can conjointly cypher a hasheesh while stay fresh each of their share hide . gimmick may assert leave or engine block tilt in a seclusion - preserve mode using private Set membership , according to Google , and moderate flow with conditional membership go over are conceivable while ascertain that no data will the device . “ We static get a hanker mode to spell before device hire secret Set rank for universal proposition rank control . ” At Google , we ’re see into a few different room to unafraid your secrecy victimization secret Set rank . The business sector exact , “ We are please to persist in meliorate province - of - the - artistry steganography inquiry to sustenance you good . ”