Leakage-Resilient Certificate-Based Authenticated Key Exchange Protocol

Tung Tso Tsai, Sen Shan Huang, Yuh Min Tseng, Yun Hsin Chuang, Ying Hao Hung

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Certificate-based public key cryptography (CB-PKC) removes the problem of certificate management in traditional public key systems and avoids the key escrow problem in identity-based public key systems. In the past, many authenticated key exchange (AKE) protocols based on CB-PKC systems, called CB-AKE, were proposed to be applied to secure communications between two remote participants. However, these existing CB-AKE protocols become insecure since attackers could compute and obtain the whole secret key from some partial leaked information of the secret key by side channel attacks. In this paper, our goal is to propose the $first$ CB-AKE protocol with the property to resist side channel attacks, called leakage-resilient CB-AKE (LR-CB-AKE). The proposed LR-CB-AKE protocol is formally proven to be secure in the generic bilinear group (GBG) model under the discrete logarithm (DL) and computational Diffie-Hellman (CDH) assumptions.

Original languageEnglish
Pages (from-to)137-148
Number of pages12
JournalIEEE Open Journal of the Computer Society
Volume3
DOIs
Publication statusPublished - 2022

All Science Journal Classification (ASJC) codes

  • General Computer Science

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