Brassard, Høyer and Tapp [BHT98]およびAaronson and Shi [AS04]による研究では、完全な量子敵対者は衝突を見つけるためにΘ(N 1/3)のクエリが必要。
安全性維持のためにハッシュ関数の出力長を384ビットまで拡張する必要性。
Sun and Zheng [SZ19]、Rosmanis [Ros22; Ros23]、Chen, Cotler, Huang and Li [CCHL23]によって以前知られていたプレイメージ検索問題向けの結果。
Citater
"Brassard, Høyer and Tapp [BHT98] and Aaronson and Shi [AS04] established that full-scale quantum adversaries require Θ(N 1/3) queries to find a collision."
"Should we sacrifice efficiency for potential quantum attacks, especially in the NISQ era?"
"Our results handle all regimes between NISQ and full-scale quantum computers."