Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate
2006-04-18
2010-10-19
Hoffman, Brandon S (Department: 2436)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
By stored data protection
Reexamination Certificate
active
07818586
ABSTRACT:
Systems and methods are provided for encrypting data, generating encryption keys, and generating encryption indicators. The encryption indicators may be stored on a storage medium in a location separate from the location of stored encrypted data. The encryption indicator includes information indicative of the encryption key used for encrypting and decrypting the data. In one example, the storage medium is a tape, and the encryption indicator is stored in the user header label of the tape.
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PCT Notification of Transmittal of the International Search Report with attached PCT International Search Report and Written Opinion of the International Searching Authority in International Application No. PCT/US2006/043189 filed Nov. 7, 2006 (10 pages), Mailed Feb. 27, 2007.
Bruce Timothy R.
Casey John M.
Helsley David L.
Ridner Osvaldo A.
Witt Russell A.
Baker & Botts L.L.P.
Computer Associates Think Inc.
Hoffman Brandon S
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