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ASIACRYPT
2004
Springer
14 years 2 months ago
Colluding Attacks to a Payment Protocol and Two Signature Exchange Schemes
An untraceable fair network payment protocol is proposed by Wang in Asiacrypt’03, which employs the existent techniques of the offline untraceable cash and a new technique calle...
Feng Bao
PKC
2005
Springer
125views Cryptology» more  PKC 2005»
14 years 2 months ago
A Generic Scheme Based on Trapdoor One-Way Permutations with Signatures as Short as Possible
We answer the open question of the possibility of building a digital signature scheme with proven security based on the one-wayness of a trapdoor permutation and with signatures as...
Louis Granboulan
CISC
2007
Springer
155views Cryptology» more  CISC 2007»
14 years 19 days 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
ASIACRYPT
2003
Springer
14 years 10 days ago
Efficient Group Signatures without Trapdoors
Abstract. Group signature schemes are fundamental cryptographic tools that enable unlinkably anonymous authentication, in the same fashion that digital signatures provide the basis...
Giuseppe Ateniese, Breno de Medeiros
CISC
2009
Springer
171views Cryptology» more  CISC 2009»
13 years 6 months ago
Sanitizable Signatures with Strong Transparency in the Standard Model
Sanitizable signatures provide several security features which are useful in many scenarios including military and medical applications. Sanitizable signatures allow a semi-trusted...
Shivank Agrawal, Swarun Kumar, Amjed Shareef, C. P...