ID-based cryptosystem using discrete logarithm problem

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ID-based cryptosystem using discrete logarithm problem

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© The Institution of Electrical Engineers
Published

The letter presents an ID-based cryptosystem using the discrete logarithm problem. The proposed cryptosystem is based on El-Gamal's public-key cryptosystem; however, it does not need a large public-key file. The system is one of the earliest realisations of ID-based cryptosystem whose concept was proposed by Shamir.

Inspec keywords: information theory; data privacy; cryptography

Other keywords: El-Gamal's public-key cryptosystem; ID-based cryptosystem; discrete logarithm problem; identity based cryptosystem

Subjects: Codes; Information theory; Telecommunication applications; Information theory; Economic, social and political aspects of computing

References

    1. 1)
      • T. El-Gamal . A public-key cryptosystem and a signature scheme based on discrete logarithm. IEEE Trans. , 469 - 472
    2. 2)
      • R.C. Merkle , M.E. Hellman . Hiding information and signatures in trapdoor knapsacks. IEEE Trans. , 525 - 530
    3. 3)
      • Shamir, A.: `Identity-based cryptosystem and signature scheme', Advances in cryptology—crypto '84, 1985, Berlin, p. 47–53, Lect. Notes Comput. Sci. 196.
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19870912
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