Presentation 2000/1/26
A blind signature scheme without requiring random number
Choonsik Park, Ju-Sung Kang,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) We propose a new blind signature scheme based on RSA digital signature. Our blind signature scheme proposed in this work has a merit as compared with Chaum's scheme that it doesn't necessary to use a random number and signer's public key on the protocol. But our blind signature scheme has a defect that it accompanies message expansion by a factor of two. We present security analysis of the proposed scheme that its security depends on the discrete logarithm problems in an appropriate cyclic groups. Moreover proposed blind signature scheme is well applied to untraceable electronic cash.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Blind signature / RSA digital signature / Random number / Discrete logarithm problem / Electronic cash
Paper # ISEC99-98
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Committee ISEC
Conference Date 2000/1/26(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A blind signature scheme without requiring random number
Sub Title (in English)
Keyword(1) Blind signature
Keyword(2) RSA digital signature
Keyword(3) Random number
Keyword(4) Discrete logarithm problem
Keyword(5) Electronic cash
1st Author's Name Choonsik Park
1st Author's Affiliation Electronics and Telecommunications Research Institute()
2nd Author's Name Ju-Sung Kang
2nd Author's Affiliation Electronics and Telecommunications Research Institute
Date 2000/1/26
Paper # ISEC99-98
Volume (vol) vol.99
Number (no) 585
Page pp.pp.-
#Pages 6
Date of Issue