—Localization techniques that allow inferring the location of wireless devices directly from received signals have exposed mobile users to new threats. Adversaries can easily col...
Data sharing is an essential process for collaborative works particularly in the banking, finance and healthcare industries. These industries require many collaborative works with...
A multi-coupon (MC) represents a collection of k coupons that a user can redeem to a vendor in exchange for some goods or services. Nguyen (FC 2006), deepening the ideas of Chen et...
In most P2P business models, in which users purchase the media, it is necessary to securely identify the user in order to facilitate payment. In this paper, we present a technique ...
We consider a novel security requirement of encryption schemes that we call “key-privacy” or “anonymity”. It asks that an eavesdropper in possession of a ciphertext not be ...
Mihir Bellare, Alexandra Boldyreva, Anand Desai, D...