Whoops! > so 10**30 years. The universe is about 10 billion years old, or > 10**13 years, so ... our brute-force key cracker takes 10**17 times > longer than the age of the universe in order to brute-force a 128-bit > key.
10 billion is 10**10, so it takes 10**20 times the age of the universe. But at some point, who's counting? > Admittedly, that energy gets released over 10**13 times the age of > the universe... 10**20.
smime.p7s
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