Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate
2011-07-05
2011-07-05
Chen, Shin-Hon (Department: 2431)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
By stored data protection
C380S281000, C380S282000, C380S283000, C380S285000, C455S418000, C455S419000, C713S191000
Reexamination Certificate
active
07975147
ABSTRACT:
Disclosed herein is an electronic device network having a plurality of associated electronic devices. The electronic devices may include an update agent adapted to decipher code and/or data segments. The update agent may also be adapted to modify and/or upgrade firmware and/or software components resident in the electronic devices by employing the deciphered code and/or data segments along with contents of an update. An update generator, resident in the electronic devices may employ deciphering techniques to the code and/or date segments to extract enciphered code and/or data segments. The update generator may also process the code and/or data segments to generate an update including difference information. The update generator may also be adapted to encipher difference information in the generated update.
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Chen Shin-Hon
Hewlett--Packard Development Company, L.P.
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