Research Article

A Lamus-Based Flight Data Sharing Model on Consortium Blockchain

Algorithm 2

iNTRU.SamplePre.
(i)Input: A cost and a trapdoor .
(ii)Output: An approximate pre-image
(1)Sample perturbation for
(2)Set coset .
(3)Sample the G-lattice
(4)Define the as .
(5)Set the approximate pre-image
(6)Return