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I don't know a reason for why they are acceptable. AES256 is considered quantum-proof, but there exists another theoretical quantum computer design which seems
by ganzuul 7y ago
I don't know a reason for why they are acceptable. AES256 is considered quantum-proof, but there exists another theoretical quantum computer design which seems to raise the bar again. I don't know if there exists a theoretical limit for how powerful quantum computers can get.
- bawolff 7y agoWhat other theoretical quantum design? AES256 is considered quantum proof because grover's algorithm can in theory basically half they key size, and aes128 is secure on normal computers [we are still very very very very far away from a quantum computer that can use grover's algorithm to bruteforce aes128]. I'm not an expert on the subject but i believe a new quantum algorithm that could break aes256 would be a very major breakthrough in designing quantum algorithms.