作者: Ari Juels
关键词: Computer security 、 Information privacy 、 Bulletin board 、 Private information retrieval 、 Cryptography 、 The Internet 、 Computer science 、 Internet privacy 、 Consumer privacy 、 Targeted advertising
摘要: The Web presents a rich and powerful tool for aggregation of consumer information. A flurry recent articles in the popular press has documented aggressive manipulation such information by some companies purposes targeted advertising. While advertisers tout economic social benefits advertising, privacy groups have expressed grave concerns about its potential abuses, called legislative policies to protect sensitive data. In this paper, we explore notion that advertising protection need not necessarily be conflicting goals. We describe conceptually simple technical schemes facilitate but also offer Some proposals do even require use cryptography. (As an example, mention existing scheme commercial deployment.) consider more sophisticated protocols offering greater assurance privacy. These involve cryptographic constructions may thought as partial, practical PIR (private retrieval) schemes.