What are your thoughts on these issues? Why do you keep using GPG, knowing that your data may easily end up out in the open on Google or The Pirate Bay a few decades from now?
Bluntly, my thoughts are that 99% of the people who talk about quantum computation couldn't identify a Hadamard transformation if they tripped over its brakets.
Shor's Algorithm requires 2N qubits, where N is the size in bits of the composite you wish to factor. So for a 2048-bit certificate that requires 4096 qubits, representing a state space of over 10^1100. That's a quantum computer so ludicrously powerful that if one were to exist it would transform the world in ways we literally cannot imagine. This is a quantum computer so powerful that it defies even the dreams of science fiction authors.
I literally lack the skill in the English language to describe just how eye-popping this thing is. The best analogy I can think of is that we're a bunch of primitive hominids just beginning to learn how to knap obsidian into knife blades, and you're saying "What are your thoughts on how obsolete these knives will be once we develop thermonuclear bombs? I mean, they're going to make these knife blades just ... *obsolete*."
What are your thoughts on these issues? Why do you keep using GPG, knowing that your data may easily end up out in the open on Google or The Pirate Bay a few decades from now?
If that happens, I'll have much bigger things to worry about. I'll let you worry about the thermonuclear age: for now, I'd rather focus on the advent of the Bronze Age.
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