AN APPARATUS AND METHOD FOR DIRECT ANONYMOUS ATTESTATION FROM BILINEAR MAPS

摘要

bilinear map (bilinear map) way to prove (direct anonymous attestation) of direct and anonymous from the devices. In one embodiment, the method is reliable membership group defined by the issuer (issuer) (trusted membership group) released to / creation of the private key pair; And it involves assigning a unique secret key to sign at least one member of the trusted device membership group defined by the issuer. In one embodiment, using the allocated signature key, the members can be assigned to the received message as an authentication request (authentification request) to verify (prove) membership in the reliable group membership. In one embodiment, the digital signature of the group members are demonstrated using the public key of the trusted group membership (verify). Thus, the digital signature of the prover (verifier) is, in order to maintain anonymity of trusted devices of the members, a member-specific identification (identification) information, or without the need for exposure of the private key member, a member is reliable group membership may authenticate that the actual member of. Other embodiments are described and claimed.