Data transfer device

Details Data transfer device Data transfer device

2011-04-26

2011-04-26

Arani, Taghi T (Department: 2438)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S161000, C713S165000, CD14S360000, CD14S361000, C380S201000, C726S027000, C726S028000, C726S029000, C726S030000

Reexamination Certificate

active

07934105

ABSTRACT:
A data transfer device for storing data to a removable data storage item, wherein data are received as records and encrypted by the data transfer device prior to storage. The data transfer device encrypts a first portion of the records using a first encryption key and a second portion of the records using a second encryption key. The encrypted records are then stored to the removable data storage item as a plurality of data blocks, each data block comprising one or more encrypted records, wherein records in a respective data block are encrypted using only a respective one of the encryption keys.

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