Fast Query Over Encrypted Character Data in Database Export

@article{Wang:2005, abstract = {Cryptographic support is an important dimension of securing sensitive data in databases. But this usually implies that one have to sacrifice performance for security. In this paper, we describe an novel cryptographic schemes for the problem of searching on encrypted character data and provide analysis of security for the resulting cryptographic systems.When the character data are stored in the form of cipher, we store not only the encrypted character data, but also characteristic values of character data as an additional field in database.When querying the encrypted character data,we apply the principle of two-phase query. Firstly, it implements a coarse query over encrypted data in order to filter part records not related to querying conditions. Secondly, it decrypts the rest records and implements a refined query over them. Results of a set of experiments validate the functionality and usability of this approach.}, author = {Wang, Zheng-Fei and Dai, Jing and Wang, Wei and Shi, Bai-Le}, citeulike-article-id = {6060336}, citeulike-linkout-0 = {http://www.springerlink.com/content/m0ed4rgkqak0m58w}, journal = {Computational and Information Science}, keywords = {base, character, daas, data, encrypted, hash, index, secure}, pages = {1027--1033}, posted-at = {2009-11-03 14:14:07}, priority = {2}, title = {Fast Query Over Encrypted Character Data in Database}, url = {http://www.springerlink.com/content/m0ed4rgkqak0m58w}, year = {2005} }

TY - JOUR ID - Wang:2005 L3 - citeulike-article-id:6060336 N2 - Cryptographic support is an important dimension of securing sensitive data in databases. But this usually implies that one have to sacrifice performance for security. In this paper, we describe an novel cryptographic schemes for the problem of searching on encrypted character data and provide analysis of security for the resulting cryptographic systems.When the character data are stored in the form of cipher, we store not only the encrypted character data, but also characteristic values of character data as an additional field in database.When querying the encrypted character data,we apply the principle of two-phase query. Firstly, it implements a coarse query over encrypted data in order to filter part records not related to querying conditions. Secondly, it decrypts the rest records and implements a refined query over them. Results of a set of experiments validate the functionality and usability of this approach. JF - Computational and Information Science EP - 1033 TI - Fast Query Over Encrypted Character Data in Database SP - 1027 KW - base KW - character KW - daas KW - data KW - encrypted KW - hash KW - index KW - secure AU - Wang, Zheng-Fei AU - Dai, Jing AU - Wang, Wei AU - Shi, Bai-Le PY - 2005/// UR - http://www.springerlink.com/content/m0ed4rgkqak0m58w ER -