Information secret keeping method applicable to point-to-point instant messaging

A kind of information confidentiality, point-to-point technology, applied in secure communication devices, user identity/authority verification, digital transmission systems, etc. security, simplification of complexity

Inactive Publication Date: 2017-11-10
河南芯盾网安科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the instant messaging methods use clear text transmission, and the transmitted information has no security protection means, which is easy to be intercepted and tampered with; a small number of instant messaging software provide means of info...

Method used

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  • Information secret keeping method applicable to point-to-point instant messaging
  • Information secret keeping method applicable to point-to-point instant messaging

Examples

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Embodiment Construction

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0032] It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.

[0033] Such as figure 1 As shown, the present invention provides a kind of information security method suitable for point-to-point instant communication, it is characterized in that, comprises the following steps:

[0034] The information sender and the information receiver establish a point-to-point connection and exchange and save each other's public key; the information sender uses the symmetric key generated by it to encrypt the information to be transmitted to obtain the ciphertext information A; the information sender uses the saved public key pair of the other party The s...

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PUM

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Abstract

The invention discloses an information secret keeping method applicable to point-to-point instant messaging. The method comprises the steps that an information sender and an information receiver establish point-to-point connection and then mutually exchange and store opposite public keys; the information sender encrypts information needing to be transmitted through adoption of a symmetric key generated by the information sender, thereby obtaining ciphertext information A; the information sender encrypts the symmetric key through adoption of the stored opposite public key, thereby obtaining the ciphertext information C; the information sender arranges and packages the ciphertext information A and the ciphertext information C to obtain an encryption data stream and sends the encryption data stream to the information receiver; and the information receiver decrypts the encryption data stream through adoption a private key of the information receiver and reads the information needing to be transmitted. The point-to-point transmission information can be encrypted in an asymmetric encryption and symmetric encryption combined mode, the security of a communication process can be ensured, and moreover, the complexity of encryption and decryption operation is simplified.

Description

technical field [0001] The invention relates to the technical field of instant messaging, in particular to an information security method suitable for point-to-point instant messaging. Background technique [0002] Instant messaging refers to services that can send and receive Internet information in real time, including e-mail, short message, QQ, WeChat and other communication tools. At present, most of the instant messaging methods use clear text transmission, and the transmitted information has no security protection means, which is easy to be intercepted and tampered with; a small number of instant messaging software provide means of information encryption, but they all adopt centralized information confidentiality means. Key security cannot be guaranteed, the security level of information encryption is low, it is easy to be cracked, the practical value is low, and leaks are prone to occur. Contents of the invention [0003] It is an object of the present invention to...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L9/32H04L12/58
CPCH04L9/3247H04L51/04H04L63/045H04L63/061
Inventor 叶达庞潼川杨成功
Owner 河南芯盾网安科技发展有限公司
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