阅读说明：本技术 一种基于区块链的网页取证处理方法、系统及设备 (Webpage evidence obtaining processing method, system and equipment based on block chain ) 是由 李建辉 易朝刚 于功山 徐晓斐 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种基于区块链的网页取证处理方法、系统及设备,属于区块链技术以及司法存证技术领域。本发明通过捕捉并根据网页的地址数据和网页内容的链接数据,判断网页是否真实,并确定真实后,上传至司法链,保证证据采集对象原本客观真实,进一步保证了网页取证的真实性。(The invention discloses a webpage evidence obtaining processing method, a system and equipment based on a block chain, and belongs to the technical field of block chain technology and judicial evidence storage. The method and the system judge whether the webpage is real or not by capturing and according to the address data of the webpage and the link data of the webpage content, and upload the webpage to a judicial chain after determining the real, so that the evidence collection object is objective and real originally, and the authenticity of webpage evidence collection is further ensured.)

1. A webpage evidence obtaining processing method based on a block chain is characterized by comprising the following steps:

acquiring a webpage evidence obtaining request initiated by a user, and opening a webpage which the user needs to obtain evidence through a preset program;

capturing and judging whether the webpage is real or not according to the address data of the webpage and the link data of the webpage content;

if so, encrypting the evidence obtaining content comprising the webpage and the webpage content through a digital signature of a user to generate encrypted evidence obtaining content;

uploading the encrypted evidence obtaining content to a judicial chain;

when litigation occurs, acquiring an evidence webpage uploaded by a user, wherein the evidence webpage corresponds to a webpage which the user needs to obtain evidence;

and decrypting the encrypted evidence obtaining content, obtaining and comparing the evidence obtaining content with the evidence webpage, and if the evidence obtaining content is consistent with the evidence webpage, judging that the evidence webpage is credible.

2. The method according to claim 1, wherein the preset program comprises a preset browser, and the obtaining of the web page forensics request initiated by the user and the opening of the web page that the user needs to forensics through the preset program comprises:

acquiring a webpage forensics request initiated by a user on other browser interfaces, wherein the webpage forensics request at least comprises a network address of a webpage which the user needs to forensics;

and opening a preset browser, and opening the webpage which the user needs to obtain evidence through the preset browser and the network address.

3. The method according to claim 1, wherein the preset program comprises a preset plug-in, and the obtaining a webpage forensics request initiated by a user and opening a webpage that the user needs to forensics through the preset program further comprises:

acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, and starting the preset plug-in;

and acquiring address data of the webpage and link data of the webpage content according to the preset plug-in.

4. The method according to claim 2 or 3, wherein the capturing and determining whether the web page is authentic according to the address data of the web page and the link data of the web page content comprises:

verifying whether the webpage is real or not according to the address data;

and verifying whether the webpage content is real or not according to the link data of the webpage content.

5. The method of claim 4, wherein after the forensic content comprising the web page and the web page content is encrypted by a digital signature of the user to generate encrypted forensic content, the method further comprises:

screenshot is conducted on the webpage, and the screenshot is set to be description information corresponding to the encrypted evidence obtaining content;

storing user information of a user and the description information to a server, setting a corresponding relation between the user information, the description information and the encrypted evidence obtaining content, and storing the corresponding relation to the server.

6. The method according to claim 5, wherein the decrypting the encrypted forensic content, obtaining and comparing the forensic content to the evidence webpage comprises:

verifying the user information;

after the verification is successful, retrieving and acquiring the encrypted evidence obtaining content according to the description information confirmed by the user;

and decrypting the encrypted evidence obtaining content, acquiring and comparing the evidence obtaining content with the evidence webpage.

7. A web page forensics processing system based on a blockchain, the web page forensics processing system comprising a user side and a server, the user side and the server being provided as nodes of the judicial chain, wherein:

the user side is used for acquiring a webpage evidence obtaining request initiated by a user and opening a webpage which the user needs to obtain evidence through a preset program;

the user side is used for capturing address data of the webpage and link data of webpage content;

the server is used for judging whether the webpage is real or not according to the address data of the webpage and the link data of the webpage content;

if so, the server is used for encrypting the evidence obtaining content comprising the webpage and the webpage content through the digital signature of the user to generate the encrypted evidence obtaining content;

the server is used for uploading the encrypted evidence obtaining content to a judicial chain;

when litigation occurs, the server is used for acquiring an evidence webpage uploaded by a user, wherein the evidence webpage corresponds to a webpage which the user needs to evidence;

the server is used for decrypting the encrypted evidence obtaining content, obtaining and comparing the evidence obtaining content with the evidence webpage, and if the evidence obtaining content is consistent with the evidence webpage, judging that the evidence webpage is credible.

8. The system according to claim 7, wherein the predetermined program includes a predetermined browser, and the user side is specifically configured to:

acquiring a webpage forensics request initiated by a user on other browser interfaces, wherein the webpage forensics request at least comprises a network address of a webpage which the user needs to forensics;

and opening a preset browser, and opening the webpage which the user needs to obtain evidence through the preset browser and the network address.

9. The system according to claim 7, wherein the predetermined program includes a predetermined plug-in, and the user side is specifically configured to:

acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, and starting the preset plug-in;

and acquiring address data of the webpage and link data of the webpage content according to the preset plug-in.

10. The utility model provides a webpage evidence collection processing apparatus based on blockchain which characterized in that, webpage evidence collection processing apparatus is set up as the node of judicial chain, webpage evidence collection processing apparatus specifically includes:

the acquisition module is used for acquiring a webpage evidence obtaining request initiated by a user and opening a webpage which the user needs to obtain evidence through a preset program;

the processing module is used for capturing and judging whether the webpage is real or not according to the address data of the webpage and the link data of the webpage content;

the encryption module is used for encrypting the evidence obtaining content comprising the webpage and the webpage content through a digital signature of a user to generate encrypted evidence obtaining content;

the uploading module is used for uploading the encrypted evidence obtaining content to a judicial chain;

the acquisition module is further used for acquiring an evidence webpage uploaded by a user when litigation occurs, wherein the evidence webpage corresponds to a webpage which the user needs to obtain evidence;

the processing module is further configured to decrypt the encrypted evidence obtaining content, obtain and compare the evidence obtaining content with the evidence webpage, and if the evidence obtaining content is consistent with the evidence webpage, determine that the evidence webpage is authentic.

Technical Field

The invention relates to the technical field of a block chain technology and judicial evidence storage, in particular to a webpage evidence obtaining processing method, a webpage evidence obtaining processing system and webpage evidence obtaining processing equipment based on a block chain.

Background

At present, a lot of block chain forensics programs are started by cooperation of a block chain technical mechanism and a judicial institution, and the service range of the programs generally comprises the contents of photographing forensics, desensitization and authority determination, sound recording, video recording, conversation, screen recording, webpage forensics, notarization generation and the like.

The web page forensics is also an important means of justice before the block chain technology is popularized, and the web page notarization supported by the block chain technology generally needs man-machine operation besides using a terminal. Although the existing evidence obtaining of the block chain webpage can guarantee the time authenticity of the chain after evidence collection and prevent tampering, most of the existing evidence obtaining systems of the block chain webpage cannot guarantee whether an evidence collection object is originally objective and real, for example, if an evidence obtaining website is a phishing or tampered website, the evidence obtaining process cannot be found, the webpage content is very easy to update to cause evidence loss, and the evidence authenticity is greatly solved.

Disclosure of Invention

In order to solve the problems in the prior art, embodiments of the present invention provide a method, a system, and a device for webpage forensics processing based on a block chain. The technical scheme is as follows:

in one aspect, a webpage forensics processing method based on a block chain is provided, and the method includes:

the webpage evidence obtaining processing method based on the block chain is characterized by comprising the following steps:

acquiring a webpage evidence obtaining request initiated by a user, and opening a webpage which the user needs to obtain evidence through a preset program;

capturing and judging whether the webpage is real or not according to the address data of the webpage and the link data of the webpage content;

if so, encrypting the evidence obtaining content comprising the webpage and the webpage content through a digital signature of a user to generate encrypted evidence obtaining content;

uploading the encrypted evidence obtaining content to a judicial chain;

when litigation occurs, acquiring an evidence webpage uploaded by a user, wherein the evidence webpage corresponds to a webpage which the user needs to obtain evidence;

and decrypting the encrypted evidence obtaining content, obtaining and comparing the evidence obtaining content with the evidence webpage, and if the evidence obtaining content is consistent with the evidence webpage, judging that the evidence webpage is credible.

Optionally, the preset program includes a preset browser, the obtaining of the web page evidence obtaining request initiated by the user, and the opening of the web page that the user needs to obtain evidence through the preset program includes:

acquiring a webpage forensics request initiated by a user on other browser interfaces, wherein the webpage forensics request at least comprises a network address of a webpage which the user needs to forensics;

and opening a preset browser, and opening the webpage which the user needs to obtain evidence through the preset browser and the network address.

Optionally, the preset program includes a preset plug-in, the obtaining of the web page forensics request initiated by the user, and the opening of the web page that the user needs to forensics through the preset program further includes:

acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, and starting the preset plug-in;

and acquiring address data of the webpage and link data of the webpage content according to the preset plug-in.

Optionally, the capturing and determining whether the web page really includes, according to the address data of the web page and the link data of the web page content:

verifying whether the webpage is real or not according to the address data;

and verifying whether the webpage content is real or not according to the link data of the webpage content.

Optionally, after the forensic content including the web page and the web page content is encrypted by the digital signature of the user and the encrypted forensic content is generated, the method further includes:

screenshot is conducted on the webpage, and the screenshot is set to be description information corresponding to the encrypted evidence obtaining content;

storing user information of a user and the description information to a server, setting a corresponding relation between the user information, the description information and the encrypted evidence obtaining content, and storing the corresponding relation to the server.

Optionally, the decrypting the encrypted forensic content, obtaining and comparing the forensic content with the evidence webpage includes:

verifying the user information;

after the verification is successful, retrieving and acquiring the encrypted evidence obtaining content according to the description information confirmed by the user;

and decrypting the encrypted evidence obtaining content, acquiring and comparing the evidence obtaining content with the evidence webpage.

In another aspect, a block chain-based web page forensic processing system is provided, the web page forensic processing system includes a user side and a server, the user side and the server are configured as nodes of the judicial chain, wherein:

the user side is used for acquiring a webpage evidence obtaining request initiated by a user and opening a webpage which the user needs to obtain evidence through a preset program;

the user side is used for capturing address data of the webpage and link data of webpage content;

the server is used for judging whether the webpage is real or not according to the address data of the webpage and the link data of the webpage content;

if so, the server is used for encrypting the evidence obtaining content comprising the webpage and the webpage content through the digital signature of the user to generate the encrypted evidence obtaining content;

the server is used for uploading the encrypted evidence obtaining content to a judicial chain;

when litigation occurs, the server is used for acquiring an evidence webpage uploaded by a user, wherein the evidence webpage corresponds to a webpage which the user needs to evidence;

the server is used for decrypting the encrypted evidence obtaining content, obtaining and comparing the evidence obtaining content with the evidence webpage, and if the evidence obtaining content is consistent with the evidence webpage, judging that the evidence webpage is credible.

Optionally, the preset program includes a preset browser, and the user side is specifically configured to:

acquiring a webpage forensics request initiated by a user on other browser interfaces, wherein the webpage forensics request at least comprises a network address of a webpage which the user needs to forensics;

and opening a preset browser, and opening the webpage which the user needs to obtain evidence through the preset browser and the network address.

Optionally, the preset program includes a preset plug-in, and the user side is specifically configured to:

acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, and starting the preset plug-in;

and acquiring address data of the webpage and link data of the webpage content according to the preset plug-in.

Optionally, the server is specifically configured to:

verifying whether the webpage is real or not according to the address data;

and verifying whether the webpage content is real or not according to the link data of the webpage content.

Optionally, the user side is specifically configured to:

screenshot is conducted on the webpage, and the screenshot is set to be description information corresponding to the encrypted evidence obtaining content;

storing user information of a user and the description information to a server, setting a corresponding relation between the user information, the description information and the encrypted evidence obtaining content, and storing the corresponding relation to the server.

Optionally, the server is specifically configured to:

verifying the user information;

after the verification is successful, retrieving and acquiring the encrypted evidence obtaining content according to the description information confirmed by the user;

and decrypting the encrypted evidence obtaining content, acquiring and comparing the evidence obtaining content with the evidence webpage.

In another aspect, a web page forensics processing device based on a block chain is provided, where the web page forensics processing device is set as a node of a judicial chain, and the web page forensics processing device specifically includes:

the acquisition module is used for acquiring a webpage evidence obtaining request initiated by a user and opening a webpage which the user needs to obtain evidence through a preset program;

the processing module is used for capturing and judging whether the webpage is real or not according to the address data of the webpage and the link data of the webpage content;

the encryption module is used for encrypting the evidence obtaining content comprising the webpage and the webpage content through a digital signature of a user to generate encrypted evidence obtaining content;

the uploading module is used for uploading the encrypted evidence obtaining content to a judicial chain;

the acquisition module is further used for acquiring an evidence webpage uploaded by a user when litigation occurs, wherein the evidence webpage corresponds to a user side webpage which the user needs to obtain evidence;

the processing module is further configured to decrypt the encrypted evidence obtaining content, obtain and compare the evidence obtaining content with the evidence webpage, and if the evidence obtaining content is consistent with the evidence webpage, determine that the evidence webpage is authentic:

optionally, the preset program includes a preset browser, and the obtaining module is specifically configured to:

acquiring a webpage forensics request initiated by a user on other browser interfaces, wherein the webpage forensics request at least comprises a network address of a webpage which the user needs to forensics;

and opening a preset browser, and opening the webpage which the user needs to obtain evidence through the preset browser and the network address.

Optionally, the preset program includes a preset plug-in, and the obtaining module is specifically configured to:

acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, and starting the preset plug-in;

and acquiring address data of the webpage and link data of the webpage content according to the preset plug-in.

Optionally, the processing module is specifically configured to:

verifying whether the webpage is real or not according to the address data;

and verifying whether the webpage content is real or not according to the link data of the webpage content.

Optionally, the obtaining module is specifically configured to:

screenshot is conducted on the webpage, and the screenshot is set to be description information corresponding to the encrypted evidence obtaining content;

storing user information of a user and the description information to a server, setting a corresponding relation between the user information, the description information and the encrypted evidence obtaining content, and storing the corresponding relation to the server.

Optionally, the processing module is specifically configured to:

verifying the user information;

after the verification is successful, retrieving and acquiring the encrypted evidence obtaining content according to the description information confirmed by the user;

and decrypting the encrypted evidence obtaining content, acquiring and comparing the evidence obtaining content with the evidence webpage.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

whether the webpage is real or not is judged by capturing and according to the address data of the webpage and the link data of the webpage content, and the webpage is uploaded to a judicial chain after the webpage is determined to be real, so that the original objectivity and reality of an evidence collection object are guaranteed, and the authenticity of webpage evidence collection is further guaranteed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a flowchart of a web page forensics processing method based on a block chain according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a web page evidence obtaining system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a web page forensics processing device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a webpage forensics processing method based on a block chain is provided, and the method includes:

101. acquiring a webpage evidence obtaining request initiated by a user, and opening a webpage which the user needs to obtain evidence through a preset program;

102. capturing and judging whether the webpage is real or not according to the address data of the webpage and the link data of the webpage content; the web page content comprises characters, pictures, image beds, video streams and other data

103. Encrypting the evidence obtaining content comprising the webpage and the webpage content through the digital signature of the user to generate the encrypted evidence obtaining content;

104. uploading the encrypted evidence-obtaining content to a judicial chain;

105. when litigation occurs, acquiring an evidence webpage uploaded by a user, wherein the evidence webpage corresponds to a webpage which the user needs to obtain evidence;

106. and decrypting the encrypted evidence-obtaining content, acquiring and comparing the evidence-obtaining content with the evidence webpage, and if the evidence-obtaining content is consistent with the evidence webpage, judging that the evidence webpage is credible.

Optionally, the step 101 of obtaining a web page evidence obtaining request initiated by a user includes:

201. acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, wherein the webpage evidence obtaining requests at least comprise network addresses of webpages needing evidence obtaining by the user;

202. and opening a preset browser, and opening a webpage which a user needs to obtain evidence through the preset browser and a network address.

Optionally, the step 101 of obtaining a web page evidence obtaining request initiated by the user and opening the web page that the user needs to obtain evidence through the preset program further includes:

301. acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, and starting a preset plug-in;

302. and acquiring address data of the webpage and link data of the webpage content according to the preset plug-in.

Optionally, step 102 captures and determines whether the web page really includes, according to the address data of the web page and the link data of the web page content:

401. verifying whether the webpage is real or not according to the address data;

402. and verifying whether the webpage content is real or not according to the link data of the webpage content.

Optionally, in step 103, after the forensic content including the web page and the web page content is encrypted by the digital signature of the user and the encrypted forensic content is generated, the method further includes:

501. screenshot is carried out on the webpage, and the screenshot is set to be description information corresponding to the encrypted evidence obtaining content;

502. and storing the user information and the description information of the user to a server, setting the corresponding relation between the user information and the description information and the encrypted evidence obtaining content, and storing the corresponding relation to the server.

Optionally, the step 106 of decrypting the encrypted forensic content, acquiring and comparing the forensic content with the evidence webpage includes:

601. verifying the user information;

602. after the verification is successful, retrieving and acquiring encrypted evidence obtaining content according to the description information confirmed by the user;

603. and decrypting the encrypted evidence-obtaining content, acquiring and comparing the evidence-obtaining content with the evidence webpage.

Referring to fig. 2, a web page evidence obtaining processing system based on a block chain is provided, the web page evidence obtaining processing system includes a user terminal 21 and a server 22, the user terminal 21 and the server 22 are configured as nodes of a judicial chain, wherein:

the user side 21 is configured to obtain a web page evidence obtaining request initiated by a user, and open a web page that the user needs to obtain evidence through a preset program;

the user end 21 is used for capturing address data of a webpage and link data of webpage content;

the server 22 is configured to determine whether the web page is real according to the address data of the web page and the link data of the web page content;

if yes, the server 22 is configured to encrypt the forensic content including the web page and the web page content by using the digital signature of the user, so as to generate encrypted forensic content;

the server 22 is used for uploading the encrypted forensic content to a judicial chain;

when litigation occurs, the server 22 is configured to obtain an evidence webpage uploaded by the user, where the evidence webpage corresponds to a webpage that the user needs to obtain evidence;

the server 22 is configured to decrypt the encrypted evidence-obtaining content, obtain and compare the evidence-obtaining content with the evidence web page, and if the evidence-obtaining content is consistent with the evidence web page, determine that the evidence web page is authentic.

Optionally, the preset program includes a preset browser, and the user side 21 is specifically configured to:

acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, wherein the webpage evidence obtaining requests at least comprise network addresses of webpages needing evidence obtaining by the user;

and opening a preset browser, and opening a webpage which a user needs to obtain evidence through the preset browser and a network address.

Optionally, the preset program includes a preset plug-in, and the user side 21 is specifically configured to:

acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, and starting a preset plug-in;

and acquiring address data of the webpage and link data of the webpage content according to the preset plug-in.

Optionally, the server 22 is specifically configured to:

verifying whether the webpage is real or not according to the address data;

and verifying whether the webpage content is real or not according to the link data of the webpage content.

Optionally, the user side 21 is specifically configured to:

screenshot is carried out on the webpage, and the screenshot is set to be description information corresponding to the encrypted evidence obtaining content;

and storing the user information and the description information of the user to a server, setting the corresponding relation between the user information and the description information and the encrypted evidence obtaining content, and storing the corresponding relation to the server.

Optionally, the server 22 is specifically configured to:

verifying the user information;

after the verification is successful, retrieving and acquiring encrypted evidence obtaining content according to the description information confirmed by the user;

and decrypting the encrypted evidence-obtaining content, acquiring and comparing the evidence-obtaining content with the evidence webpage.

Referring to fig. 3, a web page forensics processing device 3 based on a block chain is provided, the web page forensics processing device 3 is set as a node of a judicial chain, and the web page forensics processing device 3 specifically includes:

the acquisition module 31 is configured to acquire a web page evidence obtaining request initiated by a user, and open a web page that the user needs to obtain evidence through a preset program;

the processing module 32 is used for capturing and judging whether the webpage is real or not according to the address data of the webpage and the link data of the webpage content;

the encryption module 33 is configured to encrypt the forensic content including the web page and the web page content by using a digital signature of the user, and generate encrypted forensic content;

an uploading module 34, configured to upload the encrypted forensic content to a judicial chain;

the obtaining module 31 is further configured to obtain an evidence webpage uploaded by the user when litigation occurs, where the evidence webpage corresponds to a user-side webpage that the user needs to collect evidence;

the processing module 32 is further configured to decrypt the encrypted evidence-obtaining content, obtain and compare the evidence-obtaining content with the evidence webpage, and if the evidence-obtaining content is consistent with the evidence webpage, determine that the evidence webpage is authentic:

optionally, the preset program includes a preset browser, and the obtaining module 31 is specifically configured to:

acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, wherein the webpage evidence obtaining requests at least comprise network addresses of webpages needing evidence obtaining by the user;

and opening a preset browser, and opening a webpage which a user needs to obtain evidence through the preset browser and a network address.

Optionally, the preset program includes a preset plug-in, and the obtaining module 31 is specifically configured to:

acquiring webpage evidence obtaining requests initiated by a user on other browser interfaces, and starting a preset plug-in;

and acquiring address data of the webpage and link data of the webpage content according to the preset plug-in.

Optionally, the processing module 32 is specifically configured to:

verifying whether the webpage is real or not according to the address data;

and verifying whether the webpage content is real or not according to the link data of the webpage content.

Optionally, the obtaining module 31 is specifically configured to:

screenshot is carried out on the webpage, and the screenshot is set to be description information corresponding to the encrypted evidence obtaining content;

and storing the user information and the description information of the user to a server, setting the corresponding relation between the user information and the description information and the encrypted evidence obtaining content, and storing the corresponding relation to the server.

Optionally, the processing module 32 is specifically configured to:

verifying the user information;

after the verification is successful, retrieving and acquiring encrypted evidence obtaining content according to the description information confirmed by the user;

and decrypting the encrypted evidence-obtaining content, acquiring and comparing the evidence-obtaining content with the evidence webpage.

All the above-mentioned optional technical solutions can be combined arbitrarily to form the optional embodiments of the present invention, and are not described herein again.

It should be noted that: when the web page evidence obtaining processing system and the web page evidence obtaining processing device provided in the above embodiments execute the web page evidence obtaining processing method based on the block chain, only the division of the above functional modules is used for illustration, in practical applications, the above functions may be allocated by different functional modules according to needs, that is, the internal structures of the web page evidence obtaining processing system and the web page evidence obtaining processing device are divided into different functional modules, so as to complete all or part of the above described functions. In addition, the embodiments of the method, the system, and the device for webpage forensics processing based on the block chain provided by the embodiments belong to the same concept, and specific implementation processes thereof are described in detail in the embodiments of the method and are not described herein again.

It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.