Welcome to the resource topic for 2025/026
Title:
How to use your brain for cryptography without trustworthy machines
Authors: Wakaha Ogata, Toi Tomita, Kenta Takahashi, Masakatsu Nishigaki
Abstract:In this work, we study cryptosystems that can be executed securely without fully trusting all machines, but only trusting the user’s brain. This paper focuses on signature scheme. We first introduce a new concept called ``server-aided in-brain signature,‘’ which is a cryptographic protocol between a human brain and multiple servers to sign a message securely even if the user’s device and servers are not completely trusted. Second, we propose a concrete scheme that is secure against mobile hackers in servers and malware infecting user’s devices.
ePrint: https://eprint.iacr.org/2025/026
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