Abstract
We propose a new method for verifying bad signature in a batch instance of DSA-type digital signatures when there is one bad signature in the batch. The proposed method can verify and identify a bad signature using two modular exponentiations and \(n + 3\sqrt{n}/2\) modular multiplications where n is the number of signatures in the batch instance. Simulation results show our method reduces considerably the number of modular multiplications compared with the existing methods.
The present research was conducted by the research fund of Dankook University in 2003.
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© 2005 Springer-Verlag Berlin Heidelberg
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Lee, S., Cho, S., Choi, J., Cho, Y. (2005). Batch Verification with DSA-Type Digital Signatures for Ubiquitous Computing. In: Hao, Y., et al. Computational Intelligence and Security. CIS 2005. Lecture Notes in Computer Science(), vol 3802. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11596981_18
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DOI: https://doi.org/10.1007/11596981_18
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-30819-5
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