Key-agreement exists if and only if the "interactive vs non interactive Kolmogorov problem" is not in ioBPP: a short proof

April 22, 2025 ยท The Ethereal ยท ๐Ÿ› arXiv.org

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Authors Bruno Bauwens, Bruno Loff arXiv ID 2504.16311 Category cs.CC: Computational Complexity Cross-listed cs.IT Citations 0 Venue arXiv.org Last Checked 3 months ago
Abstract
Ball, Liu, Mazor and Pass proved that the existence of key-agreement protocols is equivalent to the hardness of a certain problem about interactive Kolmogorov complexity. We generalize the statement and give a short proof of the difficult implication.
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