Presentation 2000/7/18
Discrete Logarithm Problem over Composite Modulus and Its Application to Cryptography
Koichi MATSUKAWA, Takahiro HAYATA, Kunikatsu KOBAYASHI,
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Abstract(in English) We propose a discrete logarithm problem over composite modulus with the trapdoor, and apply it to cryptography. It is easy to calculate a discrete logarithm problem with the base g having a small order, but it is hard to calculate a discrete logarithm problem with the base g having a large order. By using these differences, we can make the trapdoor in the discrete logarithm problem over composite modulus.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) discrete logarithm problem over composite modulus / order / trapdoor / public key cryptosystem / digital signature
Paper # ISEC2000-32
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Committee ISEC
Conference Date 2000/7/18(1days)
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Registration To Information Security (ISEC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Discrete Logarithm Problem over Composite Modulus and Its Application to Cryptography
Sub Title (in English)
Keyword(1) discrete logarithm problem over composite modulus
Keyword(2) order
Keyword(3) trapdoor
Keyword(4) public key cryptosystem
Keyword(5) digital signature
1st Author's Name Koichi MATSUKAWA
1st Author's Affiliation Faculty of Engineering, Yamagata University()
2nd Author's Name Takahiro HAYATA
2nd Author's Affiliation Faculty of Engineering, Yamagata University
3rd Author's Name Kunikatsu KOBAYASHI
3rd Author's Affiliation Faculty of Engineering, Yamagata University
Date 2000/7/18
Paper # ISEC2000-32
Volume (vol) vol.100
Number (no) 213
Page pp.pp.-
#Pages 6
Date of Issue