Data scrambling and encryption of database tables

Details Data scrambling and encryption of database tables Data scrambling and encryption of database tables

2007-06-19

2010-10-05

Chen, Shin-Hon (Department: 2431)

Cryptography

Key management

C713S186000, C713S193000

Reexamination Certificate

active

07809142

ABSTRACT:
An apparatus, program product and method protect data in a database table from unauthorized access through the combination of scrambling the data in the rows and columns of a database table and encrypting the data in different rows and/or columns using different encryption keys. A complementary descrambling and decryption process may then be used by an authorized party to recover the data stored in the scrambled and encrypted table.

REFERENCES:
patent: 2004/0255133 (2004-12-01), Lei et al.
patent: 2006/0053112 (2006-03-01), Chitkara et al.
patent: 2007/0177740 (2007-08-01), Nakajima
patent: 2007/0294539 (2007-12-01), Shulman et al.
patent: 2008/0059414 (2008-03-01), Cristofor et al.
patent: 2008/0097954 (2008-04-01), Dutta et al.
patent: 2008/0162521 (2008-07-01), Browning

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