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SP
2006
IEEE
143views Security Privacy» more  SP 2006»
14 years 1 months ago
Cognitive Authentication Schemes Safe Against Spyware (Short Paper)
Can we secure user authentication against eavesdropping adversaries, relying on human cognitive functions alone, unassisted by any external computational device? To accomplish thi...
Daphna Weinshall
ASIACRYPT
2003
Springer
13 years 11 months 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
JCP
2006
135views more  JCP 2006»
13 years 7 months ago
Improved Double Auction Protocol based on a Hybrid Trust Model
Recently, Wang et al. proposed a set of double auction protocols with full privacy protection based on distributed ElGamal encryption. Unfortunately, their protocols are expensive ...
JungHoon Ha, Jianying Zhou, Sang-Jae Moon
ICIP
2003
IEEE
14 years 9 months ago
Halftone visual cryptography
This paper considers the problem of encoding a secret binary image SI into n shares of meaningful halftone images within the scheme of visual cryptography (VC). Secret pixels enco...
Z. Zhou, Gonzalo R. Arce, Giovanni Di Crescenzo
AC
1998
Springer
13 years 11 months ago
The Search for the Holy Grail in Quantum Cryptography
Abstract. In 1982, Bennett and Brassard suggested a new way to provide privacy in long distance communications with security based on the correctness of the basic principles of qua...
Louis Salvail