. Question 1 Message Authentication Codes [5 points Let Mi - m1, M2-mm2 and M t plaintexts of size 64, 128 and 192 bits, respectively (i.e., mi is a 64-bit block for i E 1,2,3]). Let MAC, MAC2 and MAC3 be MACs for Mi, M2 and M3, re- spectively, using CBC-MAC with DES and no optional process nor truncation Can you forge a valid MAC on a message which is distinct from Mi, M2 and M3? Provide the forged MAC and corresponding message. 3m1 m2 m3 be three distinc . Question 1 Message Authentication Codes [5 points Let Mi - m1, M2-mm2 and M t plaintexts of size 64, 128 and 192 bits, respectively (i.e., mi is a 64-bit block for i E 1,2,3]). Let MAC, MAC2 and MAC3 be MACs for Mi, M2 and M3, re- spectively, using CBC-MAC with DES and no optional process nor truncation Can you forge a valid MAC on a message which is distinct from Mi, M2 and M3? Provide the forged MAC and corresponding message. 3m1 m2 m3 be three distinc