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  • Wiley  (2)
  • Chattopadhyay, Samiran  (2)
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  • Wiley  (2)
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  • 1
    Online Resource
    Online Resource
    A blockchain‐based approach to secure electronic health records using fuzzy commitment scheme
    Wiley ; 2022
    In:  SECURITY AND PRIVACY Vol. 5, No. 4 ( 2022-07)
    Details
    In: SECURITY AND PRIVACY, Wiley, Vol. 5, No. 4 ( 2022-07)
    Abstract: The electronic health record is the most sensitive data which needs a secure framework to protect it from data breaching. Recently, blockchain‐based platforms are used in healthcare services for data security, data sharing and availability of immutable data during medico‐legal verification. In this paper, a blockchain‐based approach for securing electronic health records using elliptic curve cryptography (ECC) and a biometric‐based fuzzy commitment scheme is proposed. The proposed approach addresses common issues of blockchain, namely scalability, integrity, confidentiality and decentralization of the ledger. The security of the proposed scheme was verified using the Random Oracle model. The block time for a variable number of transactions per block was measured and compared with the block time of the existing approaches. Also, the proposed approach was compared with the existing approaches with reference to various security features.
    Type of Medium: Online Resource
    ISSN: 2475-6725 , 2475-6725
    URL: Issue
    URL: Article
    DOI: 10.1002/spy2.v5.4
    DOI: 10.1002/spy2.231
    Language: English
    Publisher: Wiley
    Publication Date: 2022
    detail.hit.zdb_id: 2922599-1
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Toward design a secure protocol for updating remotely stored credentials of a crypto‐biometric framework for multi‐server environment
    Wiley ; 2024
    In:  SECURITY AND PRIVACY Vol. 7, No. 1 ( 2024-01)
    Details
    In: SECURITY AND PRIVACY, Wiley, Vol. 7, No. 1 ( 2024-01)
    Abstract: Integration of biometric data with cryptography is gaining importance to develop a secure distributed communication system. The main issue with this strategy is updating a biometric template and other credentials (like a cryptographic key) and sharing the same in a secure manner. This paper proposes a novel approach to protect a credential under the security of biometric data using fuzzy commitment so that it can be securely stored on a remote server. Furthermore, a protocol has been proposed to update the cryptographic key and biometric data online and share the same among communicating parties through a network channel. A rigorous security analysis of the scheme establishes the robustness of the scheme against many known attacks. In addition to this, to substantiate that the protocol is provably secure, it has been critically verified with two protocol verification tools, namely, the RO (Random Oracle) Model and the AVISPA (automated validation of Internet Security Protocols and Applications) tool. The proposed protocol is useful to design a multiparty system having a multi‐user and multi‐server environment.
    Type of Medium: Online Resource
    ISSN: 2475-6725 , 2475-6725
    URL: Issue
    URL: Article
    DOI: 10.1002/spy2.v7.1
    DOI: 10.1002/spy2.339
    Language: English
    Publisher: Wiley
    Publication Date: 2024
    detail.hit.zdb_id: 2922599-1
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