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> Their protocol only uses cryptographic hash functions, which means that it's post-quantum secure Can you elaborate on this?
by lagniappe 2y ago
> Their protocol only uses cryptographic hash functions, which means that it's post-quantum secure
Can you elaborate on this?
- woodruffw 2y agoInverting a general-purpose cryptographic hash function in the quantum setting is (roughly) as hard as it is in the classical setting. (Roughly because of Grover’s algorithm, but there are algorithms that perform similarly or better on classical machines. Which is why modern hash functions have relatively large margins anyways.)