Cryptology ePrint Archive: Report 2020/305

3-Layer Public Key Cryptosystem with Short Tandem Repeat DNA

Shigeo Tsujii and Toshiaki Saisho and Masao Yamasawa and Masahito Gotaishi and Kou Shikata and Koji Sasaki and Nobuharu Suzuki and Masaki Hashiyada

Abstract: While the digital technology spreads through the society, reliable personal authentication is becoming an urgent issue. As shown in digital taxation (e-Tax) and blockchain, etc., high reliable link between the private key of a public key and the owner who has it in card or smartphone etc. is required. This paper proposes 3 layer public key cryptosystem in which Individual Number (a.k.a. "My Number") and STR (Short Tandem Repeat) as personal identification data installed. "Individual Number" is a national identification number issued by government, like social security number in USA. STR is a kind of DNA data which does not contain any subtle personal information such as inherited character and has very accurate personal identification. The proposed system satisfies requirements of integrity, soundness and zero knowledge characteristics which analog biometrics such as face authentications cannot provide.

Category / Keywords: applications / Public Key Infrastructure, Authenticity Determination, Personal Authentication, Short Tandem Repeat, Schnorr Authentication, DNA, PKI, Biometrics

Date: received 9 Mar 2020

Contact author: tsujii at tamacc chuo-u ac jp

Available format(s): PDF | BibTeX Citation

Version: 20200312:151006 (All versions of this report)

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