Author

Beijie Liu

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Preprint Aug 2026

Hiding Directions, Leaking Structure: Breaking ArrowCloak through Low-Rank Structure

This paper revisits ArrowCloak from cryptographic and structural perspectives and proposes an end-to-end, query-free recovery attack, suggesting that lightweight protection should address both per-vector geometry and joint structure across released weights.

Beijie Liu, Junyi Ouyang, Haoxuan Xu et al. · 1 citation