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» Digital Signature Scheme Based on a New Hard Problem
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CSIE
2009
IEEE
14 years 2 months ago
An Enhanced-Security Fair E-payment Protocol
Customers are usually passive in an electronic commerce transaction. Based on a new two times concurrent signature, this article presents a fair electronic payment (E-payment) pro...
Wei Fan, Huaying Shu, Elizabeth Fife, Qiang Yan
ECCC
2010
78views more  ECCC 2010»
13 years 7 months ago
PCPs and the Hardness of Generating Synthetic Data
Assuming the existence of one-way functions, we show that there is no polynomial-time, differentially private algorithm A that takes a database D ({0, 1}d )n and outputs a "...
Jonathan Ullman, Salil P. Vadhan
ISPEC
2005
Springer
14 years 1 months ago
Short Linkable Ring Signatures for E-Voting, E-Cash and Attestation
Abstract. A ring signature scheme can be viewed as a group signature scheme with no anonymity revocation and with simple group setup. A linkable ring signature (LRS) scheme additio...
Patrick P. Tsang, Victor K. Wei
DRM
2008
Springer
13 years 9 months ago
RSA-TBOS signcryption with proxy re-encryption
The recent attack on Apple iTunes Digital Rights Management [17] has brought to light the usefulness of proxy re-encryption schemes for Digital Rights Management. It is known that...
Varad Kirtane, C. Pandu Rangan
CCS
2006
ACM
13 years 11 months ago
Lightweight, pollution-attack resistant multicast authentication scheme
Authentication is an important security measure for multicast applications, providing receivers with confidence that the packets they receive are valid. Simply signing every multi...
Ya-Jeng Lin, Shiuhpyng Shieh, Warren W. Lin