local security = require("security")
local cipher = { 
    key = "\x17\xC6\x3C\x37\xDE\x19\xCF\x00\x6A\xC9\x15\x1A\x00\x3C\x78\x43", 
    iv = "\x56\x2e\x17\x99\x6d\x09\x3d\x28\xdd\xb3\xba\x69\x5a\x2e\x6f\x58",
    auto_padding = false
} --disabled auto padding
local encrypted_data = security.encrypt( cipher, "Data must be multiple of 16\x00\x00\x00\x00\x00" )