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arXiv AI By Xiaohang Yu, Hejia Geng, Xinmeng Zeng, William Knottenbelt

SUDP: Secret-Use Delegation Protocol for Agentic Systems

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The paper introduces the Secret-Use Delegation Protocol (SUDP), a method for agentic systems to perform user-authorized operations without granting reusable authority to untrusted requesters. It formalizes the Agent Secret Use (ASU) problem, outlines seven required security properties, and demonstrates that SUDP satisfies six of them under standard cryptographic assumptions, with the remaining property addressed via hardware-rooted runtime composition. A reference implementation shows minimal overhead for mediated calls.

Machine-generated by The Flow from the publisher's headline and feed description — not written or checked by a human. The full article lives at arXiv AI.

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