Adressing quantum computer threatens crypto FUD spread by total fucking morons
Quantum encryption is the current gold standard. As Moores Law applies the expense of this will fall. Its also reasonable to expect more quantum computers online means more quantum encryption becomes standard. So far the rise of quantum looks exceedingly promising for global cryptoanarchy. Yes? And with the rise of our chosen ideology comes its cybernetic which is APster. Bad actors risk their lives spreading ordinary peoples data decrypted by any means. Cypherpunks promise privacy for the poor and transparency for the powerful. Always have. Always will. Propaganda for the powerful spreaders are also bad actors. Even just being an obscurantist, obfuscatory reactionary is increasingly dangerous. Why there are active deadpools on Agents Semich and Grarpamps. Viva la revolution! Btw, theres a good chance the known universe works like quantum PKI. Seth Loyd 2007. In that case our political economy increasingly borrows from quantum gravity. Chance favors the prepared mind. Welcome to the revolution
On 06/02/2024 13:28, pro2rat@yahoo.com.au wrote:
Quantum encryption is the current gold standard.
Never heard of it. Seriously. I have heard of post-quantum cryptography, but that's apparently a different thing - it certainly doesn't have the properties you seem to attribute to it, it is just methods to defeat a potential future threat to modern cryptography from quantum computers by using classical techniques chosen for QC-resistance. Sociologically, it is pretty much the same as present-day public-key cryptography. Public/private keypairs, key exchange, signatures, hashes, ciphers etc. You can also do standard classical tricks like oblivious transfer, ORAM, zero-knowledge proofs, oblivious two-party computation and universal reencryption, at least if you choose the right systems. Also, there are so-called quantum key distribution systems which rely on transfer of prechosen or entangled quanta, usually light quanta. Despite the name you can't actually distribute a key that way, you need more - these aren't suitable for information transfer, only key agreement (like DH, Alice and Bob both end up with the same unpredictable number). [there is also Kak's three pass protocol, which can pass information, but has flaws, is subject to cloning MITM, other MITM, and is nowhere near a gold standard - though I suppose it could be called quantum encryption, at a pinch] (they also aren't fast enough for file transfer type encryption, eg to set up an OTP - and good modern classical ciphers are quantum-computer resistant anyway. But not theoretically unbreakable.) Well-designed prechosen or entangled quanta systems are, in theory, (but in practice? not so much) not subject to a cloning man-in-the-middle attack, but are hard to implement, and to be useful they would need a network of quantum-state-retaining switches (possible, but it doesn't exist now) and quantum repeaters - justaboutpossible, but you certainly can't buy them from Cisco (or anyone else). They also require an authenticated classical side channel to be secure. Ooops. We can attack that classically, so the "theoretically unbreakable because unclonable quantum cryptography" is just so much eyewash. Peter Fairbrother
participants (2)
-
Peter Fairbrother -
pro2rat＠yahoo.com.au