Data processor, data processing method, and computer readable medium storing program therefor
First Claim
1. A data processor that erases data stored in a storage device, comprising an erase information storage unit that stores an erase information indicating a description of an erasing process having been performed, corresponding to an erase-specified area-, after the erasing process for the erase-specified area, being an area specified to be subjected to the erasing process, is performed.
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Accused Products
Abstract
A data processor that erases data stored in a storage device includes an erase information storage unit that stores an erase information indicating a description of an erasing process having been performed, corresponding to an erase-specified area, after the erasing process for the erase-specified area, being an area specified to be subjected to the erasing process, is performed.
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Citations
27 Claims
- 1. A data processor that erases data stored in a storage device, comprising an erase information storage unit that stores an erase information indicating a description of an erasing process having been performed, corresponding to an erase-specified area-, after the erasing process for the erase-specified area, being an area specified to be subjected to the erasing process, is performed.
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3. A data processor that erases data stored in a storage device, comprising:
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a partition unit that partitions an erase-specified area being an area specified to be subjected to an erasing process, into multiple segments, in response to a directive to erase data, and an erase information storing unit that stores erase information each indicating a description of the performed erasing process, corresponding to the segments, respectively, after the erasing process for the each of the segments is performed. - View Dependent Claims (4, 5, 6, 7, 8, 9)
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- 10. A data processing method for erasing data stored in a storage device, comprising storing an erase information indicating a description of an erasing process having been performed, corresponding to an erase-specified area, after the erasing process for the erase-specified area, being an area specified to be subjected to the erasing process, is performed.
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12. A data processing method for erasing data stored in a storage device, comprising:
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partitioning an erase-specified area being an area specified to be subjected to an erasing process, into multiple segments, in response to a directive to erase data, and storing erase information each indicating a description of the performed erasing process, corresponding to the segments, respectively, after the erasing process for the each of the segments is performed. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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- 19. A computer readable medium storing a program causing a computer to execute a data processing method for erasing data stored in a storage device, comprising storing an erase information indicating a description of an erasing process having been performed, corresponding to an erase-specified area, after the erasing process for the erase-specified area, being an area specified to be subjected to the erasing process, is performed.
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21. A computer readable medium storing a program causing a computer to execute a data processing method for erasing data stored in a storage device, comprising:
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partitioning an erase-specified area being an area specified to be subjected to an erasing process, into multiple segments, in response to a directive to erase data, and storing erase information each indicating a description of the performed erasing process, corresponding to the segments, respectively, after the erasing process for the each of the segments is performed. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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Specification