triple-DES has a 112bit key space. So it would take 26 hours * 2^56 which is a very long time. UPDATE: A quick calculation on Google yields: (2^56) * 26 hour

triple-DES has a 112bit key space. So it would take 26 hours * 2^56 which is a very long time. UPDATE: A quick calculation on Google yields: (2^56) * 26 hours = 2.13727751 × 10^14 years