Method for realizing encryption communication

A technology for encrypted communication and communication nodes, applied in the field of encrypted communication, can solve the problems of reducing user satisfaction, low security, and inability to correctly parse information, so as to avoid adverse effects and improve communication security and user satisfaction. Effect

Active Publication Date: 2006-12-20
HUAWEI TECH CO LTD
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Problems solved by technology

Encryption should be performed when transmitting these information that requires high security, so that the transmitted information cannot be correctly analyzed even if it is obtained illegally
[0004] However, the current application of RFC 2833 does not encrypt the transmitted information when transmitting information, and the security of communication using RFC 2833 is low
In this case, if the information is illegally obtained during transmission, the person who obtains the information illegally can

Method used

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  • Method for realizing encryption communication

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[0033] The present invention will be described in detail below with reference to the drawings and specific embodiments.

[0034] In the method for implementing encrypted communication provided by the present invention, the first communication node sends its own media capability information and communication encryption capability information to the second communication node; the media capability information represents the media capability of the communication node, and the communication The encryption capability information represents that the communication node has encrypted communication capability; the second communication node judges whether it has communication encryption capability and the media capability that overlaps with the first communication node based on the media capability information and communication encryption capability information from the first communication node, If so, the first and second communication nodes determine the same data encryption key, and use t...

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Abstract

The invention relates to a method for realizing encrypted communication, wherein when two communication nodes communicate, the first node sends itself media ability information and the communication encrypt ability information to the second node; the media ability information represents said node has media ability and the communication encrypt ability represents the node has encrypted communication ability; the second node based on the media ability and communication encrypt ability information, judges if it has the communication encrypt ability and the media ability crossed with the first communication node; if it has, the first and second nodes confirm the same data encrypted key, and use said media ability and the data encrypted key to process encrypted communication. The invention can avoid the communication information between the first and second communication nodes to be obtained illegally, and the illegal user can not analyze or read the content of obtained message, to improve the communication safety.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for realizing encrypted communication. Background technique [0002] Currently, the RFC 2833 protocol describes how to transmit dual-tone multi-frequency signals (DTMF) and other network signaling and events in real-time transport protocol (RTP) packets. [0003] Among the above-mentioned information transmitted by applying RFC 2833, a considerable part of the information requires high security. Such as: transaction data of commercial departments such as banks, user personal information, etc. Encryption should be carried out when transmitting these information with high security requirements, so that the transmitted information cannot be correctly analyzed even if it is obtained illegally. [0004] However, at present, RFC 2833 is used to transmit information without encrypting the transmitted information, and the security of communication using RFC 2833 is low. In this case...

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Application Information

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IPC IPC(8): H04L9/00H04L29/06
Inventor 王鹏王敬
Owner HUAWEI TECH CO LTD
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