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      Capture resilient ElGamal signature protocols

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      Author
      Acan, Hüseyin
      Kaya, Kamer
      Selçuk, Ali Aydın
      Date
      2006-11
      Source Title
      21th International Symposium on Computer and Information Sciences – ISCIS 2006
      Print ISSN
      0302-9743
      Publisher
      Springer
      Pages
      943 - 951
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      One of the fundamental problems of public key cryptography is protecting the private key. Private keys are too long to be remembered by the user, and storing them in the device which performs the private key operation is insecure as long as the device is subject to capture. In this paper, we propose server-assisted protocols for the ElGamal signature scheme which make the system capture resilient in the sense that the security of the system is not compromised even if the signature device is captured. The protocols also have a key disabling feature which allows a user to disable the device's private key in case both the device and the password of the user are compromised simultaneously. © Springer-Verlag Berlin Heidelberg 2006.
      Keywords
      Network protocols
      Problem solving
      Security of data
      Servers
      User interfaces
      ElGamal signature
      Server assisted protocols
      Electronic document identification systems
      Permalink
      http://hdl.handle.net/11693/27282
      Published Version (Please cite this version)
      https://doi.org/10.1007/11902140_98
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      • Department of Computer Engineering 1368
      • Department of Mathematics 614
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