Internal attacks Sample Clauses
Internal attacks. These attacks involve both deliberate and accidental actions by users and the introduction of infected devices or storage into the school’s system, e.g. USB flash drives.
Internal attacks. Assume that A is a malicious-legitimate patient, A uses his own smart card and information in public channel. He obtains nothing about other patients’ secret information Dij . And he also cannot get the secret information h(IDS j || IDjk || X jk ) . So he cannot succeed in forging authentication information M 2 = h(Cij || Dij || Rc ) and M8 = h(SKijk || h(Cij || Dij || IDjk ) || Rc || Rk ) protocol can resist the internal attacks. to pass the authentication. Hence, the PAKA
Internal attacks. The generation of a session key shouldn't be influenced by any one internal participant. According to the proposed protocol, ▇▇▇▇▇ and ▇▇▇ each produce a nonce and generate a hash key (HAandHB)as bases based on the mutual key KAB and identity key (IDAandIDB). When the Exclusive-Or operation is applied between the send and received key, a session key called SK is generated simultaneously on both sides for ▇▇▇▇▇ SK = Km ⨂ K′m and for ▇▇▇ SK = Km ⨂ K′m. As a result, the proposed protocol is