Image reading apparatus and computer program product
First Claim
Patent Images
1. An image reading apparatus that is connected to a server via a network, the image reading apparatus comprising:
- a recording unit that records an operation log;
a tamper-resistant chip includinga storing unit that stores therein a secret key unique to the image reading apparatus; and
an encrypting unit that encrypts recorded operation log with stored secret key; and
a transmitting unit that transmits information including encrypted operation log to the server.
1 Assignment
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Accused Products
Abstract
A recording unit records an operation log. A storing unit included in a temper-resistant chip stores therein a secret key unique to an image reading apparatus. An encrypting unit included in the temper-resistant chip encrypts recorded operation log with stored secret key. A transmitting unit transmits information including encrypted operation log to a server.
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Citations
20 Claims
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1. An image reading apparatus that is connected to a server via a network, the image reading apparatus comprising:
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a recording unit that records an operation log; a tamper-resistant chip including a storing unit that stores therein a secret key unique to the image reading apparatus; and an encrypting unit that encrypts recorded operation log with stored secret key; and a transmitting unit that transmits information including encrypted operation log to the server. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An image reading apparatus that is connected to a server via a network, the image reading apparatus comprising:
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a recording unit that records an operation log; a generating unit that generates a hash value corresponding to recorded operation log; a tamper-resistant chip including a storing unit that stores a secret key unique to the image reading apparatus; and an encrypting unit that encrypts generated hash value with stored secret key; and a transmitting unit that transmits information including encrypted hash value and the recorded operation log to the server. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A computer program product comprising a computer usable medium having computer readable program codes embodied in the medium that when executed cause a computer to execute:
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recording an operation log; encrypting recorded operation log with a secret key that is unique to an image reading apparatus, the secret key being stored in a tamper-resistant chip installed in the image reading apparatus; and transmitting encrypted operation log to a server that is connected to the image reading apparatus via a network. - View Dependent Claims (18)
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19. A computer program product comprising a computer usable medium having computer readable program codes embodied in the medium that when executed cause a computer to execute:
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recording an operation log; generating a hash value corresponding to recorded operation log; encrypting generated hash value with a secret key that is unique to an image reading apparatus, the secret key being stored in a tamper-resistant chip installed in the image reading apparatus; and transmitting encrypted hash value and the recorded operation log to a server that is connected to the image reading apparatus via a network. - View Dependent Claims (20)
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Specification