Device which executes authentication processing by using offline information, and device authentication method
First Claim
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1. A computer comprising:
- a unit which reads out authentication data recorded on a portable recording medium by another device;
a recording unit which records the authentication data read out by the unit; and
an authentication unit which performs mutual authentication processing between the authentication unit and the another device by using the authentication data recorded in the recording unit.
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Abstract
A computer includes a unit which reads out authentication data recorded on a portable recording medium by another device, a recording unit which records the authentication data read out by the unit, and an authentication unit which performs mutual authentication processing between the authentication unit and the another device by using the authentication data recorded in the recording unit.
45 Citations
19 Claims
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1. A computer comprising:
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a unit which reads out authentication data recorded on a portable recording medium by another device;
a recording unit which records the authentication data read out by the unit; and
an authentication unit which performs mutual authentication processing between the authentication unit and the another device by using the authentication data recorded in the recording unit. - View Dependent Claims (2, 5, 7, 9, 11, 13)
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3. A computer comprising:
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a generation unit which generates authentication data;
a unit which records the authentication data generated by the generation unit on a portable recording medium;
a recording unit which records the authentication data recorded on the recording medium; and
an authentication unit which performs mutual authentication processing between the authentication unit and another device by using the authentication data recorded by the recording unit. - View Dependent Claims (4, 6, 8, 10, 12, 14, 15, 16, 17)
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18. A device authentication method comprising:
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causing a first device to generate authentication data and record the authentication data on a portable recording medium;
causing a second device to read out the authentication data from the portable recording medium; and
performing mutual authentication processing by using the authentication data between the first and second devices. - View Dependent Claims (19)
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Specification