175 search results - page 4 / 35 » Improved Generalized Birthday Attack |
116
Voted
IJNSEC
2006
15 years 1 months ago
2006
To enhance applications of smart cards, Miyazaki and Takaragi proposed a (t, n) threshold digital signature scheme based on the security of elliptic curve discrete logarithm (ECDL...
122
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PODC
2010
ACM
15 years 5 months ago
2010
ACM
We present Gatekeeper, a decentralized protocol that performs Sybil-resilient node admission control based on a social network. Gatekeeper can admit most honest nodes while limiti...
120
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EUROCRYPT
2003
Springer
15 years 7 months ago
2003
Springer
Abstract. In this paper, we study the security of the Encrypt-MaskDecrypt mode of operation, also called EMD, which was recently proposed for applications such as disk-sector encry...
128
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CSCW
2008
ACM
15 years 3 months ago
2008
ACM
Social networks are popular for online communities. This paper evaluates the risk of sophisticated context-aware spam that could result from information sharing on social networks...
133
Voted
MYCRYPT
2005
Springer
15 years 7 months ago
2005
Springer
Recently, some collisions have been exposed for a variety of cryptographic hash functions [20,21] including some of the most widely used today. Many other hash functions using simi...