Smart Contract-Based Cross-Domain Authentication and Key Agreement System for Heterogeneous Wireless Networks

Table 5

Update the public key in the smart contract.

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Algorithm 3 update

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function AP_Update (id, pk, t_begin, t_end, sig)

% CA node invokes the function to update public key.

 if(sender.addr = = owner) % Guarantee only CA can invoke the function.

  ap[id].PK = pk;

  ap[id]. T_begin = t_begin;

  ap[id]. T_end = t_end;

  ap[id].sig = sig;

function user_update (hash1, hash2)

 if(sender.addr = = owner)

  Delete(user[hash1])

  user[hash2] = true;

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