Common use of Session Key Security Clause in Contracts

Session Key Security. Session key security means that at the end of the key exchange, the session key is not known by anyone but only the two communicating parties. In the proposed protocol, the session key SK  h1 (K r username)  h1 (cbh(h(PW a) username )P r username) is not known by anyone but only the user U and the server since K  cbh(h(PW a) username)P cannot be constructed correctly by the adversary ▇▇▇▇▇ without the knowledge of (b, a, PW ) or (s, c) . None of this session key SK  h1 (K is known to anybody but the userU and the server. Therefore, the proposed protocol provides session key security.

Session Key Security. Session key security means that at the end of the key exchange, the session key is not known by anyone but only the two communicating parties. In the proposed protocol, the session key SK  h1 (K = h1(K r username)  h1 (cbh(h(PW = h1(cbh(h(PW a) username )P r username) is not known by anyone but only the user U and the server since K  cbh(h(PW = cbh(h(PW a) username)P cannot be constructed correctly by the adversary ▇▇▇▇▇ without the knowledge of (b, a, PW ) or (s, c) . None of this session key SK  h1 (K = h1(K is known to anybody but the userU and the server. Therefore, the proposed protocol provides session key security.