An early attempt to force users to use less predictable passwords involved computersupplied passwords. the passwords were eight characters long and were taken from the character set consisting of lowercase letters and digits. they were generated by a pseudorandom number generator with 215 possible starting values. using the technology of the time, the time required to search through all character strings of length 8 from a 36-character alphabet was 112 years. unfortunately, this is not a true reflection of the actual security of the system. explain the problem.