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MYCRYPT
2005
Springer
123views Cryptology» more  MYCRYPT 2005»
14 years 3 months ago
Optimization of the MOVA Undeniable Signature Scheme
This article presents optimization results on the recent MOVA undeniable signature scheme presented by Monnerat and Vaudenay at PKC ’04 as well as its generalization proposed at ...
Jean Monnerat, Yvonne Anne Oswald, Serge Vaudenay
CISC
2007
Springer
155views Cryptology» more  CISC 2007»
14 years 1 months ago
ECDSA-Verifiable Signcryption Scheme with Signature Verification on the Signcrypted Message
Abstract. In this paper, we propose a signcryption scheme which provides all the following properties at the same time. (1) forward security: the private key of a sender does not h...
Raylin Tso, Takeshi Okamoto, Eiji Okamoto
PQCRYPTO
2010
149views Cryptology» more  PQCRYPTO 2010»
14 years 1 months ago
Proposal of a Signature Scheme Based on STS Trapdoor
A New digital signature scheme based on Stepwise Triangular Scheme (STS) is proposed. The proposed trapdoor has resolved the vulnerability of STS and secure against both Gr¨obner ...
Shigeo Tsujii, Masahito Gotaishi, Kohtaro Tadaki, ...
EUROCRYPT
2012
Springer
12 years 8 days ago
Lattice Signatures without Trapdoors
We provide an alternative method for constructing lattice-based digital signatures which does not use the “hash-and-sign” methodology of Gentry, Peikert, and Vaikuntanathan (ST...
Vadim Lyubashevsky
EUROCRYPT
2006
Springer
14 years 1 months ago
Compact Group Signatures Without Random Oracles
We present the first efficient group signature scheme that is provably secure without random oracles. We achieve this result by combining provably secure hierarchical signatures i...
Xavier Boyen, Brent Waters