Cryptology ePrint Archive: Report 2020/420

Practical Card-Based Protocol for Three-Input Majority

Kenji Yasunaga

Abstract: We present a card-based protocol for computing a three-input majority using six cards. The protocol essentially consists of performing a simple XOR protocol two times. Compared to the existing protocols, our protocol does not require private operations other than choosing cards.

Category / Keywords: cryptographic protocols / card-based protocol, majority function

Date: received 14 Apr 2020, last revised 20 Apr 2020

Contact author: yasunaga at ist osaka-u ac jp

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Version: 20200420:213014 (All versions of this report)

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