发明名称 |
METHOD FOR INDEXING ENCRYPTED COLUMN |
摘要 |
The present invention relates to a method of creating indexes so that an index scan can be worked for columns in a database encrypted by means of secrete key cipher algorithm. The method of creating indexes according to the present invention comprises the steps of: re-encrypting to be able to maintain the sort ordering based on a plain text; creating new indexes based on the re-encrypted data; and configuring domain index architecture of encrypted columns so that the created index is used for the index scan in a query
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申请公布号 |
US2010169665(A1) |
申请公布日期 |
2010.07.01 |
申请号 |
US20070444543 |
申请日期 |
2007.09.28 |
申请人 |
KANG HEE-CHANG;MUN DAE-WON;KIM YU-HO |
发明人 |
KANG HEE-CHANG;MUN DAE-WON;KIM YU-HO |
分类号 |
G06F12/14;G06F17/30 |
主分类号 |
G06F12/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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