> Such a password has about 157 bits of entropy, which is far too big to be found by any kind of brute-force approach. To put this into perspective: If you tu

> Such a password has about 157 bits of entropy, which is far too big to be found by any kind of brute-force approach. To put this into perspective: If you turned every grain of sand on Earth (about eight quintillion) into a computer able to test 1 trillion passwords per second, you'd need about 360 million years to exhaust half the search space and have better than even odds of guessing it.