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    Title: Constructing Identity-Based Cryptosystems for Discrete Logarithm Based Cryptosystems
    Authors: 廖冠捷;Liao, Kuan-Chieh
    Contributors: 會計與資訊學系
    Keywords: Public-key cryptosystem;Discrete logarithm;Identity-based cryptosystem;Digital signature;Key distribution
    Date: 2004-11
    Issue Date: 2012-11-26 12:34:19 (UTC+8)
    Abstract: In 1984, Shamir proposed the concept of the Identity-Based (ID-Based) cryptosystem. Instead of generating and publishing a public key for each user, the ID-Based scheme permits each user to choose his name or network address as his public key. This is advantageous to public-key cryptosystems because the public-key verification is so easy and direct. In such a way, a large public-key file is not required. Since new cryptographic schemes always face security challenges and many discrete logarithm-based cryptographic systems have been deployed, therefore, the purpose of this paper is to design a transformation process that can transfer all of the discrete logarithm based cryptosystems into the ID-based systems rather than re-invent a new system. In addition, no modification of the original discrete logarithm based cryptosystems is necessary.
    Appears in Collections:[Department of Accounting and Information Systems] Journal Article

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