Authentication system
First Claim
1. An authentication system including a transmitting terminal, a receiving terminal and an authentication device that are connected via a communication line, the transmitting terminal comprising:
- message transmitting unit to transmit and register a message to and in the authentication device;
information storage unit to be stored with plural items of information related to the receiving terminal;
selecting unit to select information to be adopted and information not to be adopted among information stored in the information storage unit according to the user operation as authentication information for accessing the message; and
authentication information transmitting unit to transmit the authentication information including plural items of the adopted information related to the receiving terminal to the authentication device,the authentication device comprising;
message receiving unit to receive the message from the transmitting terminal;
authentication information receiving unit to receive the authentication information including the plural items of the adopted information related to the receiving terminal from the transmitting terminal;
registering unit to register the message and the authentication information in a way that associates the message and the authentication information with each other;
request receiving unit to receive a request showing a purport of acquiring the message and the authentication information for acquiring the message from the receiving terminal;
authenticating unit to authenticate the receiving terminal, if both the authentication information including item of information received from the receiving terminal and the authentication information including the plural items of the adopted information related to the receiving terminal registered on the registering unit, which the authentication information receiving unit receives from the transmitting terminal, are coincident with each other; and
message transmitting unit to transmit, if the authenticating unit authenticates the receiving terminal, the message corresponding to the authentication information to the receiving terminal,the receiving terminal comprising;
message request unit to request acquisition of the message;
authentication information transmitting unit to transmit the authentication information for acquiring the message to the authentication device; and
message receiving unit to receive the message from the authentication device.
1 Assignment
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Accused Products
Abstract
To provide an authentication technology making it compatible to facilitate inputting of authentication information and to ensure the security. An authentication device connected to a transmitting terminal and a receiving terminal via a communication line, receives a message from the transmitting terminal, receives authentication information from the transmitting terminal, registers the message in association with the authentication information, receives a request with a purport of acquiring the message from the receiving terminal, determines, based on the authentication information received from the receiving terminal and the registered authentication information, whether to authenticate or not, and, if authenticated, transmits the message to the receiving terminal.
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Citations
17 Claims
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1. An authentication system including a transmitting terminal, a receiving terminal and an authentication device that are connected via a communication line, the transmitting terminal comprising:
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message transmitting unit to transmit and register a message to and in the authentication device; information storage unit to be stored with plural items of information related to the receiving terminal; selecting unit to select information to be adopted and information not to be adopted among information stored in the information storage unit according to the user operation as authentication information for accessing the message; and authentication information transmitting unit to transmit the authentication information including plural items of the adopted information related to the receiving terminal to the authentication device, the authentication device comprising; message receiving unit to receive the message from the transmitting terminal; authentication information receiving unit to receive the authentication information including the plural items of the adopted information related to the receiving terminal from the transmitting terminal; registering unit to register the message and the authentication information in a way that associates the message and the authentication information with each other; request receiving unit to receive a request showing a purport of acquiring the message and the authentication information for acquiring the message from the receiving terminal; authenticating unit to authenticate the receiving terminal, if both the authentication information including item of information received from the receiving terminal and the authentication information including the plural items of the adopted information related to the receiving terminal registered on the registering unit, which the authentication information receiving unit receives from the transmitting terminal, are coincident with each other; and message transmitting unit to transmit, if the authenticating unit authenticates the receiving terminal, the message corresponding to the authentication information to the receiving terminal, the receiving terminal comprising; message request unit to request acquisition of the message; authentication information transmitting unit to transmit the authentication information for acquiring the message to the authentication device; and message receiving unit to receive the message from the authentication device. - View Dependent Claims (2, 3, 4, 5)
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6. A transmitting terminal connected to an authentication device via a communication line wherein the authentication device is requested for access in a message from a receiving terminal and receives an authentication information from the receiving terminal, comprising:
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message transmitting unit to transmit and register a message to and in the authentication device; information storage unit to be stored with plural items of information related to the receiving terminal; selecting unit to select information to be adopted and information not to be adopted among information stored in the information storage unit according to the user operation as authentication information for authenticating the receiving terminal, wherein the authentication device authenticates the receiving terminal if both the authentication information, which the authentication information receiving unit receives from the transmitting terminal, and authentication information which the authentication device receives from the receiving terminal are coincident with each other; and
authentication information transmitting unit to transmit the authentication information including plural items of the adopted information related to the receiving terminal to the authentication device. - View Dependent Claims (7, 8, 9)
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10. An authentication device connected to a transmitting terminal and a receiving terminal via a communication line, comprising;
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message receiving unit to receive a message from the transmitting terminal; authentication information receiving unit to receive authentication information including plural items of information related to the receiving terminal from the transmitting terminal; registering unit to register the message and the authentication information in a way that associates the message and the authentication information with each other; request receiving unit to receive a request showing a purport of acquiring the message and the authentication information for acquiring the message from the receiving terminal; authenticating unit to authenticate the receiving terminal, if both authentication information including plural items of information received from the receiving terminal and the authentication information including plural items of information registered on the registering unit, which the authentication information receiving unit receives from the transmitting terminal, are coincident with each other; message transmitting unit to transmit, if the authenticating unit authenticates the receiving terminal, the message corresponding to the authentication information to the receiving terminal; and addition request unit to request, if the item of information received from the receiving terminal is insufficient with respect to the plural items of information registered on the registering unit, the receiving terminal to add the authentication information to supplement the insufficient item of information. - View Dependent Claims (11, 12, 13)
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14. An authentication method executed by an authentication device connected to a transmitting terminal and a receiving terminal via a communication line, comprising steps of:
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receiving a message from the transmitting terminal; receiving authentication information including plural items of information related to the receiving terminal from the transmitting terminal; registering the message and the authentication information in a way that associates the message and the authentication information with each other; receiving a request showing a purport of acquiring the message and the authentication information for acquiring the message from the receiving terminal; authenticating the receiving terminal, if both the authentication information including plural items of information received from the receiving terminal and the registered authentication information including plural items of information, which were received from the transmitting terminal, are coincident with each other; transmitting, if the receiving terminal has been authenticated, the message corresponding to the authentication information to the receiving terminal; and requesting, if the item of information received from the receiving terminal is insufficient with respect to the items of information registered on the registering means, the receiving terminal to add the authentication information to supplement the insufficient item of information. - View Dependent Claims (15, 16, 17)
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Specification