[PDF] Top 20 Group key agreement protocols with implicit key authentication

... secure group communication over unsecured channels such as the Internet and Ad Hoc ...for group communication without considering authentication of each peer (group member) since the adversary ... See full document

... two authentication data requests to H. When H sends the authentication data responses for S and U , then adversary A redirects this message such that it is mistaken by S as the response by H for S and U 0 ... See full document

... two authentication data requests to H. When H sends the authentication data responses for S and U , then adversary A redirects this message such that it is mistaken by S as the response by H for S and U 0 ... See full document

... two-party key exchange, there has been extensive efforts to convert their two-party key exchange protocol to multi-party key exchange protocol [6, 11, ...three-party key agreement ... See full document

... designing group key agreement in addition to provable ...of group members are quite large and the group is ...A group key agreement scheme in a dynamic group ... See full document

... cryptographic protocols using timestamps in this context remain unchanged: it is accepted that the adversary may be able to prevent successful completions of protocols ... See full document

... Constructions in the past generally resisted this principle on the grounds of efficiency: checking the knowledge of the exponent is commonly seen as too expensive. In a concrete example, we demonstrate how to effectively ... See full document

... that key agreement protocols with the EKA property are not necessarily equivalent to generic AKE protocols since the later often have the message flows ex- plicitly authenticated ...private ... See full document

... Group verification and essential deal represents an essential position in security. The important thing deal methods must promise confidentiality and reliability of message. Important Deal Process offers essential ... See full document

... For the third condition we will assume that the adversary E can conduct a successful test query with nonnegligible advantage η(k) in time τ(k) . We further assume that during this attack the adversary makes at most T F ... See full document

... In key agreement protocols, two or more entities agree on a session key to be used later to assure the confidentiality of the communication between ...authenticated key agreement ... See full document

... her key sharing partner B, but B accepts a wrong identity of his key sharing ...hold key authentication from A to B , but will hold key authentication from B to ...the key ... See full document

... explicit authentication. The authentication of the communicating parties is performed in a trusted third party like a ...and key generation phase. The first two protocols are two-party and the ... See full document

... GKE protocols by separating the requirements of mutual authentication in the presence of insiders into agreement and security against insider impersonation ...private key of the ... See full document

... mutual authentication with key agreement protocols for mobile devices He Debiao*, Chen Jianhua, Hu Jin Mathematics & Statistics School of Wuhan University, Wuhan, Hubei province, 430072, China ... See full document

... a group key agreement protocol for use in a wireless net- work consisting of a number of low-power mobile nodes with limited com- putational and communicational resources, and a powerful wireless ... See full document

... Introduction Protocols for authenticated key exchange (AKE) allow parties communicating over an in- secure public network to establish a common secret key (a session key ) and furthermore to ... See full document

... oracle. Authentication. We do not define any notion of explicit authentication or, equivalently, confirmation that the other members of the group have computed the common ...our protocols do ... See full document

... Curve group a base point B (B x ,B y ) of large order n should be selected and made public to all ...private key and calculate its public key M U =d U ×B by performing point doubling and multiplying ... See full document

... – key confirmation meaning that each protocol participant must be assured that all other protocol participant that have accepted hold identical group keys 5 , – explicit key authentication ... See full document