Hierarchical time-based information release

被引：0
|
作者：
Nali D. [1 ]
Adams C. [1 ]
Miri A. [1 ]
机构：
[1] School of Information Technology and Engineering (SITE), University of Ottawa, Ottawa, Ont. K1N 6N5
来源：
International Journal of Information Security | 2006年 / 5卷 / 2期
关键词：
Constant-length ciphertext; Constant-time Decryption; Forward security; Hierarchical identity-based encryption; Time-based access control;
D O I：
10.1007/s10207-006-0084-5
中图分类号：
学科分类号：
摘要：
Rapid distribution of newly released confidential information is often impeded by network traffic jams, especially when the confidential information is either crucial or highly prized. This is the case for stock market values, blind auction bidding amounts, many large corporations'strategic business plans, certain news agencies'timed publications, and some licensed software updates. Hierarchical time-based information release (HTIR) schemes enable the gradual distribution of encrypted confidential information to large, distributed, (potentially) hierarchically structured user communities, and the subsequent publication of corresponding short decryption keys, at a predetermined time, so that users can rapidly access the confidential information. This paper presents and analyzes the efficiency of a novel HTIR scheme. © Springer-Verlag 2006.
引用
收藏
页码：92 / 104
页数：12
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