SIGNATURE GENERATING APPARATUS, SIGNATURE GENERATING METHOD, COMPUTER PROGRAM PRODUCT, AND ELECTRICAL POWER CONSUMPTION CALCULATION SYSTEM
First Claim
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1. A signature generating apparatus, comprising:
- a generator configured to generate a data sequence including a predetermined number of pieces of first tentative data, and a tentative signature corresponding to the data sequence; and
an updater configured to update the tentative signature by replacing the piece of first tentative data with a piece of first actual data, and generate a signature corresponding to a data sequence including the pieces of first actual data by replacing all of the pieces of first tentative data with the respective pieces of first actual data.
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Abstract
According to an embodiment, a signature generating apparatus includes a generator and an updater. The generator is configured to generate a data sequence including a predetermined number of pieces of first tentative data, and a tentative signature corresponding to the data sequence. The updater is configured to update the tentative signature by replacing the piece of first tentative data with a piece of first actual data, and generate a signature corresponding to a data sequence including the pieces of first actual data by replacing all of the pieces of first tentative data with the respective pieces of first actual data.
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Citations
18 Claims
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1. A signature generating apparatus, comprising:
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a generator configured to generate a data sequence including a predetermined number of pieces of first tentative data, and a tentative signature corresponding to the data sequence; and an updater configured to update the tentative signature by replacing the piece of first tentative data with a piece of first actual data, and generate a signature corresponding to a data sequence including the pieces of first actual data by replacing all of the pieces of first tentative data with the respective pieces of first actual data. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A signature generating method, comprising:
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generating a data sequence including a predetermined number of pieces of first tentative data and a tentative signature corresponding to the data sequence; updating the tentative signature by replacing the piece of first tentative data in a data sequence with a piece of first actual data; and generating a signature corresponding to the data sequence including the pieces of first actual data by replacing all of the pieces of first tentative data with the respective pieces of first actual data. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A computer program product comprising a computer-readable medium containing a program executed by a computer, the program causing the computer to execute:
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generating a data sequence including a predetermined number of pieces of first tentative data and a tentative signature corresponding to the data sequence; updating the tentative signature by replacing the piece of first tentative data in a data sequence with a piece of first actual data; and generating a signature corresponding to the data sequence including the pieces of first actual data by replacing all of the pieces of first tentative data with the respective pieces of first actual data. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification