著者
Shunichi HAYASHI Mitsuru TADA
出版者
The Institute of Electronics, Information and Communication Engineers
雑誌
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (ISSN:09168508)
巻号頁・発行日
vol.E91-A, no.5, pp.1253-1264, 2008-05-01

In [13], we proposed new decision problems related to lattices, and proved their NP-completeness. In this paper, we present a new public-key identification scheme and a digital signature scheme based on one of the problems in [13]. We also prove the security of our schemes under certain assumptions, and analyze the efficiency of ours.

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