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  • Secure key issuing scheme i...
    Tanwar, Sarvesh; Kumar, Anil

    Information security journal., 11/2022, Letnik: 31, Številka: 6
    Journal Article

    Recently security plays a crucial part throughout the communication framework. In the most recent decade, organizations have endeavored to move from a paper-concentrated environment to a sans paper environment where data security is one of the essential issues, and any weakness in this respect can have crushing impacts. Security implies the assurance of the data from any unauthorized access or manipulation through spying or scientific or probabilistic calculations and different strategies. For the security of information, researchers are doing more work on ID-based Cryptography (IDC). However, it has two limitations: one suffers from an inherent key escrow problem, and the second is how to revoke the misbehavior/compromised user. Tseng and Tsai have proposed a novel Revocable ID-Based Encryption (RIBE). Yet, they have not considered the key escrow problem. This paper proposed an approach in which secure key issuance is done only for non-revocable ID. This will reduce the key escrow problem as multiple entities rather than one Private Key Generator (PKG) issue the key. It will reduce the possibility of compromised PKG as the private key is cooperatively issued by PKG and multiple Key Privacy Authorities (KPAs).