Presentation 1997/7/18
A scheme for controlling access to distributed digital works
Kil-Ho Shin, Shunichi Kojima,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) This article provides a description of a method to deliver arbitrarily many RSA private keys to a user in a safe manner. After modified on the basis of the user's identifier, the private keys are delivered to the user. The modified private keys are referred as access tickets. The user uses the access tickets and his own smart card within which the user's identifier is confined, and carries out decryption or authentication procedures equivalent with those with the original private keys. Although access tickets are defined by a simple algebraic formula, it is proved that it is impossible to derive any information useful for unauthorized decryption or authentication from those access tickets.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Cryptography / RSA / Authentication / Access control / Intellectual property rights
Paper # ISEC97-20
Date of Issue

Conference Information
Committee ISEC
Conference Date 1997/7/18(1days)
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Paper Information
Registration To Information Security (ISEC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A scheme for controlling access to distributed digital works
Sub Title (in English)
Keyword(1) Cryptography
Keyword(2) RSA
Keyword(3) Authentication
Keyword(4) Access control
Keyword(5) Intellectual property rights
1st Author's Name Kil-Ho Shin
1st Author's Affiliation Document Engineering Laboratory Fuji Xerox Co., Ltd.()
2nd Author's Name Shunichi Kojima
2nd Author's Affiliation Document Engineering Laboratory Fuji Xerox Co., Ltd.
Date 1997/7/18
Paper # ISEC97-20
Volume (vol) vol.97
Number (no) 181
Page pp.pp.-
#Pages 9
Date of Issue