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Really good blog post on the future potential of quantum computing and its effects on cryptography:
To factor a 4096-bit number, you need 72*4096^3 or 4,947,802,324,992 quantum gates. Lets just round that up to an even 5 trillion. Five trillion is a big number. We're only now getting to the point that we can put about that many normal bits on a disk drive. The first thing this tells me is that we aren't going to wake up one day and find out that someone's put that many q-gates on something you can buy from Fry's from a white-box Taiwanese special. (Source Link) |
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