2601 search results - page 161 / 521 » Secure Rewarding Schemes |
134
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WS
2006
ACM
15 years 9 months ago
2006
ACM
In this paper, we propose a formal notion of network security for ad hoc networks. We adopt a probabilistic security framework, that is, security is defined by a polynomially bou...
129
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ICMCS
2005
IEEE
15 years 9 months ago
2005
IEEE
Abstract Secure video communication on mobile handheld devices is challenging mainly due to (a) the significant computational needs of both video coding and encryption algorithms ...
128
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CRYPTO
2004
Springer
15 years 8 months ago
2004
Springer
ded abstract of this paper is to appear in Advances in Cryptology—CRYPTO 2004, Springer-Verlag. We construct a short group signature scheme. Signatures in our scheme are approxi...
121
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ESORICS
2006
Springer
15 years 7 months ago
2006
Springer
Abstract. Many theoretical PIR (Private Information Retrieval) constructions have been proposed in the past years. Though information theoretically secure, most of them are impract...
122
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IJNSEC
2008
15 years 3 months ago
2008
In this paper, we suggest solutions to the key exposure problem in ring signature. In particular, we propose the first forward secure ring signature scheme and the first key-insul...