order to defend against side channel power analysis, we should: Simply double the key space would deter side channel power analysis. Devise a new and more complex cryptosystem because the existing cryptosystems are vulnerable to these attacks. Make the power consumption more dependent on the cryptographical outputs. Either amortize the power difference in the computations or randomize the power consumptions so that the attacker cannot examine the power difference.

there is no universally accepted definition of art. although commonly used to describe something of beauty, or a skill which produces an aesthetic result, there is no clear line in principle between (say) a unique piece of handmade sculpture, and a mass-produced but visually attractive item. we might say that art requires thought - some kind of creative impulse - but this raises more questions: for example, how much thought is required? if someone flings paint at a canvas, hoping by this action to create a work of art, does the result automatically constitute art?