Common use of Registration Phase Clause in Contracts

Registration Phase. The SA generates a unique secret identity idN for node N . It then randomly chooses the temporary secret parameter kN and calculates aN = idN ⊕ h(kHN , kN ) and bN = kHN aN kN . A unique id′IN for the intermediary node (IN ) is chosen and the parameters ⟨idN , aN , bN ⟩ and ⟨id′IN , idN , aN , bN ⟩ are stored in N and IN respectively, while id′IN is stored by HN as the identity of IN when communicating in relay mode. aN = γ η and bN = γ µ. The shared session key kS is computed as h(idN , rN , fN , xN ) and the authentication parameters (aN , bN ) are replaced with (a+ , b+ ).

Registration Phase. The SA generates a unique secret identity idN for node N . It then randomly chooses the temporary secret parameter kN and calculates aN = idN ⊕ h(kHN , kN ) and bN = kHN aN kN . A unique id′IN idjIN for the intermediary node (IN ) is chosen and the parameters ⟨idN (idN , aN , bN ⟩ ) and ⟨id′IN (idjIN , idN , aN , bN ⟩ ) are stored in N and IN respectively, while id′IN idjIN is stored by HN as the identity of IN when communicating in relay mode. aN = γ η and bN = γ µ. The shared session key kS is computed as h(idN , rN , fN , xN ) and the authentication parameters (aN , bN ) are replaced with (a+ , b+ ).