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Because peeps are doing HNDL (harvest now, decrypt later) today. They are intercepting your traffic and storing it until they can break crypto. They're doing th
by lijok 25d ago
Because peeps are doing HNDL (harvest now, decrypt later) today. They are intercepting your traffic and storing it until they can break crypto. They're doing that today. And they've been doing it for a while.
There are contexts in which that's an unacceptable level of risk.
- hn_submit 25d agoI'm personally more worried about flaws in the quantum-safe crypto schemes than in RSA, which is based on the age-old factorization problem of prime numbers. They can harvest all they want, but if no one ever invents a usable, practical and scalable quantum processor all this will be moot.
- astrobe_ 25d agoHNDL can be worth it without the "threat" of quantum computing; for instance we see currently a lot of interest in AI-assisted math, and maybe it could lead to a breakthrough that affect crypto algorithms that are currently considered safe. Therefore it seems weird to use QC as a benchmark. Rather, if your communications being decrypted in the future is unacceptable, then the logical conclusion is that you must not transmit it in such a way that a third party can intercept it. Admittedly, it is inconvenient or even impractical, so people do accept the risk anyway without admitting it. They are sweeping the issue under the carpet of supposedly QC-proof crypto - because new quantum algorithms can be discovered too.
- deleted 25d ago[deleted]
- nullsanity 25d ago[dead]