Comment by throw0101d

> Except for the fact (?) that quantum computers will break this encryption […]

Quantum computers will make breaking RSA and Diff-Hellman public key encryption easier. They will not effect things like AES, nor things like hashing:

> Client side vectorization: the photo is processed locally, preparing a non-reversible vector representation before sending (think semantic hash).

And for RSA and DH, there are algorithms being deployed to deal with that:

* https://en.wikipedia.org/wiki/NIST_Post-Quantum_Cryptography...