Alice wants to send n messages m , m2, ... mn to Bob. Alice also generates a one-way hash chain and disseminates the commitment K, to the public. Alice sends both m;and K; in one packet to Bob as shown in the figure below. Answer the following questions: K K K2 F K K K =R m my m4 m, , Can such scheme achieve authentication? Why? Can such scheme achieve integrity? Why? If your answer to question (2) is no, how to change the scheme such that it can achieve both authentication and integrity? Alice wants to send n messages m , m2, ... mn to Bob. Alice also generates a one-way hash chain and disseminates the commitment K, to the public. Alice sends both m;and K; in one packet to Bob as shown in the figure below. Answer the following questions: K K K2 F K K K =R m my m4 m, , Can such scheme achieve authentication? Why? Can such scheme achieve integrity? Why? If your answer to question (2) is no, how to change the scheme such that it can achieve both authentication and integrity