The structure of wireless Mesh network has led to more security risks,and data integrity check is an important aspect to protect the security of the wireless Mesh network.Merkle authentication tree is used to authenticate bulk data.Security in wireless Mesh network and Merkle authentication signature technology is researched.Studies show that calculating authentication path consumes a lot of time in Merkle tree,Merkle traversal algorithm affects the efficiency of Merkle authentication tree signature.Based o...