Cryptography – Key management – Having particular key generator
Reexamination Certificate
2007-10-09
2007-10-09
Zand, Kambiz (Department: 2134)
Cryptography
Key management
Having particular key generator
C380S043000
Reexamination Certificate
active
09872077
ABSTRACT:
A system, method, and computer product that accelerates encryption and decryption of data while using both a static key and a dynamic key. The present invention eliminates intermediate decryption of data that is transmitted between computer systems. More particularly, encryption efficiency is improved by eliminating decryption of the statically encrypted data while incorporating the advantages of a dynamic key such as enabling rapid change of the dynamic key. The efficiency improvements reduce the computer resources required to protect the data and therefore stronger data encryption may be enabled with the saved computer resources. End-to-end security of the data is maintained without the need for trusted data servers.
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Amini Lisa
Belknap William R.
International Business Machines - Corporation
Nalven Andrew L
Skafar Janet M.
Smith Christine H.
Wang Elissa Y.
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