Data securing communication apparatus and method
First Claim
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1. A data-securing communication apparatus comprising:
- an application part for generating an application data to be transmitted;
parameter sharing means for sharing parameters for securing input data including said application data with a receiving-side data-securing communication apparatus via a communication channel;
securing means for securing said input data based on said shared parameters;
sending means for sending the output of said securing means through said communication channel in a predetermined form; and
wherein said parameter sharing means negotiates and shares, with the receiving-side data-securing communication apparatus, parameters indicative of a portion of said input data to be secured and said securing means is adapted to selectively secure the portion of said input data based on said shared parameters.
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Abstract
An object to be encrypted is decided in accordance with the type of input data and transfer characteristic of a network connected, and communication is performed with a communication mate by sharing parameters including an encryption object range and a data verification range in accordance with the object to be encrypted.
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Citations
22 Claims
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1. A data-securing communication apparatus comprising:
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an application part for generating an application data to be transmitted; parameter sharing means for sharing parameters for securing input data including said application data with a receiving-side data-securing communication apparatus via a communication channel; securing means for securing said input data based on said shared parameters; sending means for sending the output of said securing means through said communication channel in a predetermined form; and wherein said parameter sharing means negotiates and shares, with the receiving-side data-securing communication apparatus, parameters indicative of a portion of said input data to be secured and said securing means is adapted to selectively secure the portion of said input data based on said shared parameters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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8. A data-securing communication apparatus comprising:
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receiving means for receiving data through a communication channel; parameter sharing means for sharing parameters for securing data with a transmitting-side data-securing communication apparatus via a communication channel; and means for decoding and/or verifying said received data based on said shared parameters; wherein said parameter sharing means negotiates and shares, with said transmitting-side data-securing communication apparatus, parameters indicative of a portion of said received data to be secured, and said means for decoding and/or verifying is adapted to selectively decode and/or verify the portion of the received data based on the shared parameters.
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9. A data-securing communication method comprising:
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(a) generating application data to be transmitted at a transmitting side; (b) sharing parameters for securing input data including said application data with a receiving side via a communication channel; and (c) securing said input data based on said shared parameters; and (d) sending out said secured data through said communication channel to the receiving side; in the receiving side; (e) receiving data through said communication channel; (f) sharing parameters for securing data with the transmitting side via the communication channel; and (g) decoding and/or verifying the received data based on said shared parameters;
whereinsaid sharing step (b) includes step for negotiating and sharing, with the receiving side, parameters indicative of a portion of said input data to be secured; said securing step (c) includes step for selectively securing the portion of input data based on said shared parameters; (h) said step (f) includes a step of negotiating and sharing, with said transmitting side, the parameters indicative of the portion of data, and said step (g) is a step for selectively decoding and/or verifying the portion of the received data based on said shared parameters. - View Dependent Claims (11, 21, 22)
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Specification