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Related Experiment Video

Updated: Jul 12, 2025

The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm
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SSH-DAuth: secret sharing based decentralized OAuth using decentralized identifier.

Danda Prudhvi Krishna1, R Ramaguru1, K Praveen1

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Summary

This study introduces a novel distributed authentication and authorization framework using secret sharing, blockchain, and decentralized identifiers to enhance security and prevent third-party fraud in single sign-on (SSO) systems.

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Distributed Systems

Background:

  • OAuth 2.0 enables single sign-on (SSO) but centralizes user data, posing risks of third-party fraud and identity theft.
  • Existing authentication methods lack robust decentralization, creating vulnerabilities in user data management.

Purpose of the Study:

  • To propose a distributed authentication and authorization framework that eliminates third-party involvement.
  • To enhance user security and privacy in SSO systems through decentralization.

Main Methods:

  • A novel framework integrating a secret-sharing mechanism with blockchain-based decentralized identifiers (DIDs).
  • Utilized InterPlanetary File System (IPFS) for private distributed storage.
  • Implemented the framework on Hyperledger Fabric (permissioned) and Ethereum TestNet (permissionless blockchains).

Main Results:

  • Secret-sharing-based authentication demonstrated negligible generation time and efficient verification using combined shares.
  • The framework provides robust, end-to-end security.
  • Achieved compliance with the Universal Composability Framework.

Conclusions:

  • The proposed distributed framework effectively addresses security concerns associated with centralized SSO systems.
  • The integration of secret sharing, blockchain DIDs, and IPFS offers a secure and efficient alternative for user authentication and authorization.