712 search results - page 63 / 143 » A Study on the Security of Privacy Homomorphism |
CCS
2010
ACM
15 years 1 months ago
2010
ACM
In this paper, we propose a new form of image-based CAPTCHA we term "scene tagging". It tests the ability to recognize a relationship between multiple objects in an imag...
CCS
2008
ACM
14 years 12 months ago
2008
ACM
We analyze information leaks in the lookup mechanisms of structured peer-to-peer anonymous communication systems and how these leaks can be used to compromise anonymity. We show t...
CHI
2009
ACM
15 years 10 months ago
2009
ACM
Mobile phones are becoming increasingly personalized in terms of the data they store and the types of services they provide. At the same time, field studies have reported that the...
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SP
2006
IEEE
15 years 3 months ago
2006
IEEE
Can we secure user authentication against eavesdropping adversaries, relying on human cognitive functions alone, unassisted by any external computational device? To accomplish thi...
ACSAC
1998
IEEE
15 years 2 months ago
1998
IEEE
The ubiquity of the Internet connection to desktops has been both boon to business as well as cause for concern for the security of digital assets that may be unknowingly exposed....