Noninterference requires that public outputs of a program must be completely independent from secrets. While this ensures that secrets cannot be leaked, it is too restrictive for m...
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...
Abstract. In today's world wide web hundreds of thousands of companies use SSL to protect their customers' transactions from potential eavesdroppers. Recently, a new atta...
Numerous applications in ad hoc networks, peer-to-peer networks, and on-the-fly data sharing call for confidential broadcast without relying on a dealer. To cater for such applica...
Qianhong Wu, Bo Qin, Lei Zhang, Josep Domingo-Ferr...
Although malleability is undesirable in traditional digital signatures, schemes with limited malleability properties enable interesting functionalities that may be impossible to o...