Journal of IKEEE (전기전자학회논문지)

Institute of Korean Electrical and Electronics Engineers (한국전기전자학회)
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Secure private key exchange method based on optical interferometry using biometric finger print

생체 지문을 이용한 광학 간섭계에 기반한 안전한 개인키 교환 기법

  • Jeon, Seok-Hee (Dept. of Electronics Engineering, Incheon National University) ;
  • Gil, Sang-Keun (Dept. of Electronics Engineering, The University of Suwon)
  • Received : 2021.01.13
  • Accepted : 2021.03.23
  • Published : 2021.03.31
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Abstract

A novel key exchange cryptographic method utilizing biometric finger print as a user's private key is proposed. Each unknown users' finger print is encrypted by optical phase-shifting interferometry principle and is changed into two ciphers, which are exchanged with the other party over a public communication network for secret key sharing. The transmitted ciphers generate a complex hologram, which is used to calculate a shared secret key for each user. The proposed method provides high security when applied to a secret key sharing encryption system.

본 논문은 사용자의 개인키로써 생체 지문을 사용하는 새로운 개인키 교환 암호화 방법을 제안한다. 각각의 사용자의 지문은 광학적 위상천이 간섭 원리에 의해 암호화되어 두 개의 암호문으로 변환되고, 이것은 비밀키 공유를 위해 공중 통신망을 통하여 상대방 사용자와 교환된다. 전송된 암호문은 복소 홀로그램을 생성하고, 이는 각각의 사용자에게 공유비밀키를 계산하는데 사용된다. 제안한 방법은 비밀키 공유 암호화 시스템에 적용하였을 때 매우 높은 보안을 제공할 것이다.

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References

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