Presentation	2006-09-13 Re-Encryption Schemes with Applications to Data Storage : Investigation of achieving preventative from collusion operating over the torsion subgroup in an elliptic curve Hirokazu OUGI,
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Abstract(in English)	A method of managing encrypted file system using Re-encryption Scheme allows to transform a ciphertext computed under Alice's public key into one that can be opened by Bob's secret key. There are many useful applications of this primitive. This paper presents new Re-Encryption Scheme that a set of colluding delegatees provided with re-encryption key can not re-delegate decryption rights. This Scheme operates over the torsion subgroup in an elliptic curve.
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Keyword(in English)	Re-Encryption / Public-key / Collusion / Elliptic-curve
Paper #	ISEC2006-81
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Conference Information
Committee	ISEC
Conference Date	2006/9/6(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)	Re-Encryption Schemes with Applications to Data Storage : Investigation of achieving preventative from collusion operating over the torsion subgroup in an elliptic curve
Sub Title (in English)
Keyword(1)	Re-Encryption
Keyword(2)	Public-key
Keyword(3)	Collusion
Keyword(4)	Elliptic-curve
1st Author's Name	Hirokazu OUGI
1st Author's Affiliation	Mebius Corporation()
Date	2006-09-13
Paper #	ISEC2006-81
Volume (vol)	vol.106
Number (no)	235
Page	pp.pp.-
#Pages	8
Date of Issue