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An Improvement on a Non-deterministic One-to-n Substitution Scheme in Outsourcing Association Rule Mining

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2 Author(s)
Jinghan Ren ; Inf. Security Eng. Sch., Shanghai Jiaotong Univ., Shanghai, China ; Baowen Zhang

Encrypting transactional data is necessary to outsource association rule mining for the purpose of privacy preserving. However encryption transformation would affect the efficiency which is another concerned aspect of the delivering process. This paper proposes an improvement on an existed substitution cipher encryption algorithm: non-deterministic one-to-n item mapping. The new transformation is more efficient while it is still valid and secure not be covered by one-to-one mappings. Both theoretical analysis and experiments validate our work.

Published in:

Computer Science and Information Engineering, 2009 WRI World Congress on  (Volume:4 )

Date of Conference:

March 31 2009-April 2 2009