Privacy data sending method and apparatus, and privacy data receiving method and apparatus
A technology of private data and sending method, applied in the computer field, can solve the problems of privacy leakage, file content leakage, low privacy protection, etc., and achieve the effect of privacy data protection and privacy protection improvement.
Active Publication Date: 2016-11-23
CHONGQING UNIV OF POSTS & TELECOMM +1
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Problems solved by technology
[0003] However, the inventor has found through research that in the process of transmitting information or sharing files between users in the traditional technology, privacy leakage may occur. For example, when sending messages or files through instant messaging software, instant messaging software usually Only the message or file is compressed, if the sent data is intercepted during transmission (such as in a public wifi environment), the sent message or file is easy to leak
In the above method of sharing files through the network disk, the shared files need to be uploaded to the network disk for storage by the user, and the network disk as a third-party storage location also has the risk of file content being leaked
Therefore, the privacy protection in the process of transferring information or sharing files between users in traditional technologies is relatively low
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[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0038] In order to solve the above-mentioned problem of low privacy protection in the process of transferring information or sharing files between users, in one embodiment, a method for sending private data is proposed. The execution of this method can rely on computer programs. The computer program may be an instant messaging software, a client program of a social network application, or a server program of a social network application, etc., which can provide user...
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Embodiments of the present invention disclose a privacy data sending method, comprising: receiving input privacy data, and acquiring a binary stream of the privacy data; acquiring a multimedia file, the multimedia file comprising a minimum coding unit; coding the multimedia file according to the binary stream; traversing a bit value in the binary stream, acquiring a sequence position of the traversed bit value in the binary stream, acquiring a coding value of the minimum coding unit, corresponding to the sequence position, in the multimedia file, and setting the parity of a least significant bit of the coding value according to the bit value; and sending the coded multimedia file. The present invention also discloses a privacy data sending apparatus, and a corresponding privacy data receiving method and apparatus. By means of the present invention, privacy protection for information transfer between users can be enhanced.
Description
technical field [0001] The present invention relates to the field of computer technology, in particular to a method and device for sending private data, and a method and device for receiving private data. Background technique [0002] In traditional technologies, users usually exchange information by using instant messaging software to exchange messages and transfer files, or by using e-mail to exchange messages and files. Alternatively, the user can also upload the file that he wants to send to other users to the network disk, and the network disk application will assign an extraction code to the file. The user can send the file extraction code to other users through instant messaging software or email, and the other users can download the file according to the extraction code. [0003] However, the inventor has found through research that in the process of transmitting information or sharing files between users in the traditional technology, privacy leakage may occur. For...
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Inventor 杨明张玮玮张一凡黄颖
Owner CHONGQING UNIV OF POSTS & TELECOMM