SeSh-DAuth-Secret-Sharing-based-Distributed-OAuth-using-Decentralized-Identifier

SSH-DAuth: Secret Sharing based Distributed OAuth using Decentralized Identifier


Abstract

OAuth2.0 is a Single Sign-On approach that helps to authorize users to log into multiple applications without re-entering the credentials. Here, the OAuth service provider controls the central repository where data is stored, which may lead to third-party fraud and identity theft. To circumvent this problem, we need a distributed framework to authenticate and authorize the user without third-party involvement. This paper proposes a distributed authentication and authorization framework using a secret-sharing mechanism that comprises a blockchain-based decentralized identifier and a private distributed storage via an interplanetary file system. We implemented our proposed framework in Hyperledger Fabric (permissioned blockchain) and Ethereum TestNet (permissionless blockchain). Our performance analysis indicates that secret sharing-based authentication takes negligible time for generation and a combination of shares for verification. Moreover, security analysis shows that our model is robust, end-to-end secure, and compliant with the Universal Composability Framework.

Proposed Architecture

System Architecture

Demo

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Acknowledgement

We would like to acknowldge the support provided by TIFAC-CORE in Cyber Security, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore, India in carrying out this work as part of “M.Tech Cyber Security” Dissertation.

Guide : Dr. K. Praveen, Assistant Professor, TIFAC-CORE in Cyber Security, ASE - Coimbatore

Co-Guide : Mr. Ramaguru Radhakrishnan, Assistant Professor, TIFAC-CORE in Cyber Security, ASE - Coimbatore

SDG Alignment

References

Publication

Krishna, D. P., Ramaguru, R., Praveen, K., Sethumadhavan, M., Ravichandran, K. S., Krishankumar, R., & Gandomi, A. H. (2023). SSH-DAuth: secret sharing based decentralized OAuth using decentralized identifier. Scientific Reports, 13(1), 18335.