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Protective method and apparatus for communication information between mobile phones and operating method thereof

A technology for mobile phones and communication information, which is applied in the field of operating mobile phones and protecting the transmission of information between mobile communication phones. It can solve the problems that the stability of security schemes has not been fully verified, and there are few security schemes for mobile phone terminals.

Inactive Publication Date: 2003-12-03
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the stability of this encryption algorithm, that is, the security scheme, has not been fully verified.
[0007] Traditional mobile phone encryption schemes mainly focus on the confidentiality between the client and the server, but there are few security schemes for mobile phone terminals

Method used

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  • Protective method and apparatus for communication information between mobile phones and operating method thereof
  • Protective method and apparatus for communication information between mobile phones and operating method thereof
  • Protective method and apparatus for communication information between mobile phones and operating method thereof

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Embodiment Construction

[0027] The invention will be described in detail below with reference to the accompanying drawings.

[0028] figure 2 is a schematic diagram of a mobile phone including a content security function according to an embodiment of the invention. Through the mobile phone, the user can communicate with other users' mobile phones by receiving / sending encrypted information. The structure of the mobile phone is as follows.

[0029] The first terminal 200, a terminal that requires information to be kept secret, includes a first memory 201, a channel key decoder 202, and an information decoder 203.

[0030] The first memory 201 stores a private key, and uses the private key to decode the encoded channel key input from the second terminal 210 .

[0031] The channel key decoder 202 decodes the encoded channel key input from the second terminal 210 using the private key stored in the first memory 201 . The decoded channel key will be stored in the second memory 204 in the first terminal...

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Abstract

A method and an apparatus for protecting contents transmitted between mobile phones and a method of operating the mobile phones are provided. The method includes the first terminal encoding a predetermined channel key and transmitting the encoded channel key to the second terminal, the first terminal encoding communication contents using the channel key and transmitting the encoded communication contents to the second terminal, and the second terminal decoding the encoded channel key using the decoded channel key second terminal and decoding the encoded communication contents.

Description

[0001] This application claims priority from Korean Patent Application No. 2002-29117 filed in the Korean Intellectual Property Office on May 25, 2002, the entire disclosure of which is hereby incorporated by reference. technical field [0002] The invention relates to a system for preventing eavesdropping and interference between mobile communication telephones, more specifically, a method and device for protecting information transmitted between mobile communication telephones, the method and equipment pass between mobile telephones A method of setting up a secure channel to prevent the destruction of transmitted information is also related to a method of operating a mobile phone. Background technique [0003] General Code Division Multiple Access (CDMA) technology uses spectrum spreading technology. This technique is used to prevent interference between wireless communications and is less affected by noise. [0004] figure 1 is an example of communication using spreadin...

Claims

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Application Information

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IPC IPC(8): H04M1/19H04W88/02
CPCH04W12/04H04L63/0442H04W12/02H04W88/02H04W12/033H04M1/19
Inventor 姜泰连朱彰南
Owner SAMSUNG ELECTRONICS CO LTD