A Lamus-Based Flight Data Sharing Model on Consortium Blockchain

Algorithm 5

Lamus.Aggregation.

(i)	Input: The system parameter , and the identity list of the signers.
(ii)	Output: The aggregation public key for the signers.
(1)	Input the public key list .
(2)	Calculate , for , is the number of signers in the identity list.
(3)	Computer , for