233 search results - page 31 / 47 » CAPTCHA: Using Hard AI Problems for Security |
IPSN
2010
Springer
15 years 4 months ago
2010
Springer
A key problem in sensor networks is to decide which sensors to query when, in order to obtain the most useful information (e.g., for performing accurate prediction), subject to co...
111
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EUROCRYPT
2011
Springer
14 years 1 months ago
2011
Springer
We construct the first homomorphic signature scheme that is capable of evaluating multivariate polynomials on signed data. Given the public key and a signed data set, there is an...
115
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PKC
2011
Springer
14 years 14 days ago
2011
Springer
At TCC 2005, Groth underlined the usefulness of working in small RSA subgroups of hidden order. In assessing the security of the relevant hard problems, however, the best attack co...
CCS
2006
ACM
15 years 1 months ago
2006
ACM
Attackers often try to evade an intrusion detection system (IDS) when launching their attacks. There have been several published studies in evasion attacks, some with available to...
CCS
2008
ACM
14 years 11 months ago
2008
ACM
In the Horn theory based approach for cryptographic protocol analysis, cryptographic protocols and (Dolev-Yao) intruders are modeled by Horn theories and security analysis boils d...