標題: A Privacy-Preserving Encoding for Efficient Comparison Queries and Access Control from Predicate Encryption
作者: Chen, Shao-Heng
Tseng, Fu-Kuo
Chen, Rong-Jaye
交大名義發表
National Chiao Tung University
關鍵字: hidden vector encryption;encoding;comparison predicate;ciphertext-policy attribute based encryption;query and access control
公開日期: 1-一月-2015
摘要: A hidden vector encryption (HVE) scheme, one type of predicate encryption schemes, can support comparison predicates on encrypted keywords through encrypted predicates by pairing transformed keyword vectors with predicate vectors. However, the length of these vectors grows in proportion to the size of the keyword space and so does the system complexity. In this paper, we provide a privacy-preserving encoding for efficient comparison queries, where the length of the vectors and the system complexity is only logarithmically proportional to the size of the keyword space. In addition, our encoding integrates a HVE scheme and a ciphertext-policy attribute based encryption (CPABE) scheme. This integration provides not only the access control based on the searchable keywords but also balanced overheads among encryption, key generation and query for both computation and storage overheads.
URI: http://dx.doi.org/10.3233/978-1-61499-484-8-788
http://hdl.handle.net/11536/150899
ISSN: 0922-6389
DOI: 10.3233/978-1-61499-484-8-788
期刊: INTELLIGENT SYSTEMS AND APPLICATIONS (ICS 2014)
Volume: 274
起始頁: 788
結束頁: 797
顯示於類別:會議論文