Method and apparatus for cryptographic conversion in a data...

Details Method and apparatus for cryptographic conversion in a data... Method and apparatus for cryptographic conversion in a data...

2007-06-12

2008-12-02

Song, Hosuk (Department: 2135)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

Computer instruction/address encryption

C726S002000

Reexamination Certificate

active

07461267

ABSTRACT:
When data is encrypted and stored for a long time, encryption key(s) and/or algorithm(s) should be updated so as not to be compromised due to malicious attack. To that end, stored encrypted data is converted in the storage system with new set of cryptographic criteria. During this process, read and write requests can be serviced.

REFERENCES:
patent: 4993069 (1991-02-01), Matyas et al.
patent: 6598161 (2003-07-01), Kluttz et al.
patent: 7231050 (2007-06-01), Harris
patent: 2002/0019935 (2002-02-01), Andrew et al.
patent: 2004/0177257 (2004-09-01), Fujinawa et al.
patent: 2005/0102498 (2005-05-01), Bojinov et al.
patent: 2005/0147240 (2005-07-01), Agrawal et al.

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