For the following, we assume AES with 192-bit key length. Furthermore, let us assume an ASIC which can check 3 · 107 keys per second.
1. If we use 100,000 such ICs in parallel, how long does an average key search take? Compare this period of time with the age of the universe (approx. 1010 years).
2. Assume Moore's Law will still be valid for the next few years, how many years do we have to wait until we can build a key search machine to perform an average key search of AES-192 in 24 hours? Again, assume that we use 100,000 ICs in parallel.