Card-Based Cryptography Meets 3D Printer

Yuki Ito, Hayato Shikata, Takuo Suganuma, Takaaki Mizuki

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Card-based protocols perform cryptographic functionalities, such as secure computations, using a deck of cards. Basically, these protocols are supposed to be implemented by humans’ manipulating physical cards. This paper is the first attempt to make use of a 3D printer for better physical implementations of card-based protocols: we have designed and fabricated a couple of physical devices using a 3D printer that are useful for humans to implement protocols. The first device we created is the “five-card-trick turner,” which can turn over five cards simultaneously in an amusing manner; this operation appears in the final step of the five-card trick, which is the most famous card-based protocol. The second device we created is a special card box for storing a pile of cards, whose concept was proposed in 2015 but the device had not been created in reality thus far. The special boxes can be used for implementing complex shuffles that seem difficult to implement only by hand. Furthermore, we propose another use of these special boxes so that we can efficiently perform secure computations of symmetric functions.

Original languageEnglish
Title of host publicationUnconventional Computation and Natural Computation - 21st International Conference, UCNC 2024, Proceedings
EditorsDa-Jung Cho, Jongmin Kim
PublisherSpringer Science and Business Media Deutschland GmbH
Pages74-88
Number of pages15
ISBN (Print)9783031637414
DOIs
Publication statusPublished - 2024
Event21st International Conference on Unconventional Computation and Natural Computation, UCNC 2024 - Pohang, Korea, Republic of
Duration: 2024 Jun 172024 Jun 21

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume14776 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference21st International Conference on Unconventional Computation and Natural Computation, UCNC 2024
Country/TerritoryKorea, Republic of
CityPohang
Period24/6/1724/6/21

Keywords

  • 3D printer
  • Card-based cryptography
  • Secure computation
  • Symmetric function

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