Method and device for full-text protection and verification of feedback data

A technology of feedback data and full text, which is applied in the computer field, can solve the problems of easy data tampering and confusion of data authenticity, etc., and achieve the effects of small changes, prevention of web page hijacking, and high security

Inactive Publication Date: 2014-12-24
BEIJING QIHOO TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that the data is easily tampered with during the transmission process, and a new digital signature is generated to replace the old digital signature, resulting in that the digital signature after the data is received is consistent with the newly generated digital signature, which confuses the judgment of data authenticity

Method used

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  • Method and device for full-text protection and verification of feedback data
  • Method and device for full-text protection and verification of feedback data
  • Method and device for full-text protection and verification of feedback data

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0023] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be unders...

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PUM

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Abstract

The invention provides a method and a device for full-text protection and verification of feedback data. The method comprises the following steps: a server extracts the message abstract of full-text data requested by a client; hash operation is performed on a randomly generated disturbance string and the message abstract by use of a message abstract algorithm to obtain a digital signature; the asymmetrically encrypted disturbance string, the digital signature and the full-text data are combined into the feedback data for feeding back to the client; the client receives the feedback data and decrypts the disturbance string by use of an appointed key; the message abstract of the received full-text data by use of a method appointed with the server; hash operation is performed on the decrypted disturbance string and the message abstract by use of the message abstract algorithm to obtain a digital signature, and then the digital signature is compared with the digital signature in the feedback data, and then the comparison result indicates that the two digital signatures are the same, the full-text data are confirmed to be legal. The invention also provides a device corresponding to the method. The method for full-text protection and verification of feedback data is capable of performing quick and accurate verification on the authenticity of the full-text data.

Description

technical field [0001] The invention relates to the field of computers, in particular, the invention relates to a full-text protection and verification method and device for feedback data. Background technique [0002] With the continuous development of computer and network technologies, more and more applications are provided based on the network, and the security of network applications becomes increasingly important. Due to the objective existence of system vulnerabilities and the instability of the transmission line, there are certain insecure factors in the data transmission between the server and the client. [0003] When the client requests the server to send data, the data fed back by the server has problems such as replacement and tampering due to human destruction. Among them, man-made damage includes: DNS server tampering, data interception tampering, etc. Data replacement and tampering will reduce the traffic of the requested server, and will also bring securit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L29/06
Inventor 杨康李金国李浩肖鹏魏自立
Owner BEIJING QIHOO TECH CO LTD
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