TW574656B - Cryptanalytic system and method in an Internet browser - Google Patents

Description

574656 V. Description of the Invention (1) [Field of the Invention] The present invention relates to a decryption system and method. More specifically, the present invention relates to a browser decryption system and method. A small program that executes this embedded program directly under the browser ring to decrypt the data and information of the encrypted file. The data and information of the decrypted file are displayed on the daytime of the browser for use. The user can browse the data and message content, but the user cannot copy the content of the data and message decrypted by the applet displayed on the browser's daytime. Even if the browser's Temp slot is obtained, the real content cannot be obtained. [Background of the Invention] For e-books, personal digital assistants, e-readers, and computer's electronic file browsing software, how to prevent the downloaded electronic files from spreading again and infringing on the electronic files when users download the paid electronic files Copyright of archives is a very big issue. Generally, the conventional method of preventing copying and copying is to disable the copy or copy button or the right mouse button of the computer when the user reads the electronic file using the electronic file browsing software, so that the user cannot disable Browse and copy the data and information in the software. However, the conventional method for preventing the illegal proliferation of electronic files can only prevent the function of copying and copying when the user reads the electronic files by using browsing software, and cannot prevent the downloaded and read electronic files from being copied and distributed. The reason is The reason is that in the conventional electronic file copyright mode, when an electronic file is decrypted or no decryption is required, the electronic file is often stored in a non-encrypted form after being read by a user with browsing software. Therefore, it is impossible to prevent the electronic file from being read.

16689.ptd Page 5 574656 _I________ V. Description of the invention (2) The electronic files after the confidentiality or without the need to be decrypted) are spread again. Therefore, how to prevent electronic files from being copied during reading and copying after reading is a problem to be solved. -[Summary and purpose of the invention] 'The main purpose of the present invention is to provide a browser decryption system and method, which is applied in a network environment and is beneficially embedded in a browser application. When the user uses the browsing software to read the electronic file, only the decrypted electronic file is decrypted, and the decrypted electronic file data and information are displayed on the daytime of the browser. When the user finishes browsing, it is still encrypted. The electronic file is stored in a type, that is, the electronic file < 11 is in a decrypted state only when read by the shame body. Another object of the present invention is to provide a browser decryption system and method, which is applied in a network environment and uses a small program embedded in a browser application program. When a user uses a browsing software to read an electronic file, You can only read the data and content displayed on the browser ’s daytime, but you cannot copy and reproduce the content of the data and messages decrypted by the applet on the browser ’s daytime. Even if you get the browser ’s Temp audit, you ca n’t get the real Content. According to the above-mentioned purpose, the present invention provides a novel browsing system and method for decryption, which is applied in a network environment, and uses a small program embedded in a browser program to execute this inline description directly in the browser environment. A small program to decrypt the encrypted electronic slot data and messages, and display the data and messages of the decrypted files on the browser screen, so that users can browse the data and message content, but cannot copy, copy and display

16689.ptd Page 6 574656 —————— V. Description of the invention (3) Use a small knot on the browser ’s surface — Use it: Do n’t use e ^ to solve the two mysteries of your data and messages. Those who browsed the electronic file gate valley, and when it was stored, and reached His Majesty, the electronic files were still encrypted to this tide Λ: the copyright purpose of carrying data and messages. The decommissioning system includes a server to configure it. The server contains a browser-side electronic device and database, "" m-core group, data encryption / decryption module, and unencrypted electronic page content, encrypted electronic auditing, group, data storage module, and terminal electronic device. Contains browser processing module small module embedded "Languing ^: 乂 Decrypts the small program module, group, which *, add / unlock in the browser application ★ t ί style has a small program, use the embedded to execute this embedded small t ^ 程式 small program to decrypt actions directly in the browser environment. In the Wang style, the encrypted electronic file data and messages are processed through the Internet, the fish & solution to the reading process. First, when the user and the server t ^. The browser service module provided by the server's browser service module is used to promote the separation of the WM π I to promote the content. The content of the page and the page can be displayed on the user's electronic device. I surface; Then, the user selects, clicks and browses the content, and can submit a quotation to buy mine ψ 田 案 # request, and sends this request to the server side, the server makes it better, and the module receives After this request, it will cooperate with the database to respond to the request of Γ ，. The browser service module retrieves ^ encrypted or unencrypted electronic files from the server's database. For unencrypted electronic files, see the service of I The module will cooperate with the data encryption / decryption module to symmetrically or non-encryptedly encrypt the file, and send the encrypted electronic file to the incense ^. Received the encrypted data processing module of the client

16689.ptd # 7 buy 574656 _ * ______ 4 5. After the electronic file of the invention description (4), when the user uses the browser screen to read and download the file, the encryption / decryption applet module embedded in the browser module , Will decrypt electronic files encrypted with symmetric or asymmetric encoding; the browser-browser processing module has a browser application, and the encryption / decryption applet module has a small program, which is embedded in the browser application The small program running in the browser, execute this embedded small program directly in the browser environment to decrypt the encrypted electronic file_case data and messages, and display the decrypted file data and messages on the browser screen for use Reading. During the reading process, the user can select and browse the required data and message content, but cannot directly copy or copy the content. When the reading is completed, the encryption / decryption applet module will encrypt the € 1 reading content with symmetric or asymmetric encryption to become an encrypted electronic file type, so that the downloaded electronic file can only be viewed by the user. When the reader is reading, it is in a decrypted state, and at other times it is in an encrypted state. For the user side, after the reading process is completed, even if other users go to the browser's T e p slot, they still cannot get the real content. [Detailed description of the embodiment] FIG. 1 is a system block diagram showing the architecture of a browser decryption system to which the present invention is applied. As shown in Figure 1, this browser decryption system 1 includes a server 2 and a user-side electronic device 3, which is a personal computer, a mobile phone, a personal digital assistant, or an e-reader, web Road_4 can be a wireless communication system, a wired communication system, or the Internet. The server 2 includes a browser service module 2 and a data encryption / decryption module 2 2, and a resource library 2 3, wherein the database 2 3 has web page content 2 3 1. unencrypted electronic files

16689.ptd Page 8 574656 V. Description of the Invention (5) Case 2 3 2. Encrypted electronic file 2 3 3. The user-side electronic device 3 includes a browser processing module 3 1, an encryption / decryption applet module 3 2, and a data storage module 3 3, wherein the browser processing module 3 1 includes a browser day surface 3 1 1 , The browser application 3 1 2 and the encryption / decryption applet module < 3 2 has a applet 3 2 1 and the encryption / decryption module 3 2 is embedded in the browser processing module 31, which is embedded in The small program 3 2 1 executed in the browser application 3 1 2 executes this embedded small program 3 2 1 directly in the browser environment to decrypt the encrypted electronic file data and messages. After the user-side electronic device 3 and the server 2 are connected via the network 4, the browser service module 21 of the server 2 provides the browser webpage content 2 3 1 in the database 2 3 to the user-side electronic device. 3, so that the user can read the web page content 2 3 1 on the browser day 3 1 1 of the browser processing module 31. The data encryption / decryption module 22 is responsible for encrypting the unencrypted electronic file 232 to be transmitted to the user-end electronic device 3 in a symmetric or asymmetric encryption method. The web page content 2 3 1 in the database 2 3 is provided to the client computer 3 so that the user can read the web page content 2 3 1 on the browser screen 3 1 1 of the browser processing module 31 1 and can Click the electronic file you want to download and read; the encrypted electronic files 2 0 1, 2 3 3 are browser processing modules 3 1 the type of files you can browse and read. When the electronic file is requested to be downloaded by the user-side electronic device 3 At this time, the browser service module 2 1 retrieves the encrypted electronic file 23 3 or the unencrypted electronic file 232 from the database 2 3 of the server 2. For the unencrypted electronic file 2 3 2, the browser service module 2 1 Cooperate with the data encryption / decryption module 2 2 Add the unencrypted electronic file 2 3 2 in a symmetric or asymmetric encryption method

16689.ptd Page 9 574656 V. Description of the invention (6) The encrypted file becomes encrypted file 2 0, and the browser service module 2 1 transmits the encrypted electronic file 2 0 1, 2 3 3 to the user via the network 4 Electronic device 3. After receiving the encrypted electronic file 2 01, 2 3 3, the viewer processing module 3 1 of the user-side electronic device 3 reads and downloads the encrypted electronic file 201 using the browser processing module 31, At 23 o'clock, the encryption / decryption applet module 32, which is embedded in the browser processing module 31, will decrypt the electronic slot case 2 0 1, 2 3 3 encrypted by symmetric or asymmetric ~ Action to display the decrypted _electronic file 2 3 2 data and information on the browser day 3 丨 丨 for users to read; the browser processing module 31 includes the browser day 3 3, the browser should g program 3 1 2 while the encryption / decryption applet module 3 2 has a small program 3 2 1 and the encryption / decryption module 3 2 is lost in the Liu browser processing module 3 丨, which is embedded in the browser application The small program 3 2 丨 executed in the program 3 1 2 directly lights the embedded small program 3 2 1 in the browser environment to decrypt the encrypted electronic files 2 0 丨 and 2 3 3. · Big 3, a 3 2 is embedded in the browser processing module 31, when the user wants to read the encrypted electronic copy. _ 此 丄 — △ is also in the file 2 0 1, this encryption / decryption applet module 3 2 will be used in Jia Ye, slot case 2 0 1 wt #An symmetrical or asymmetrical decryption method, will add the electronic coffin Case 2 01 Solution 1 on page 311 for users to read into electronic broadcast case 232 for display in Liu Lanqi painting • Liu Lan browser application ^; Chao browser processing module 31 contains Liu Lan device Day surface f-type 32 i, encryption / decryption module ^ 2, and the encryption / decryption applet module 32 has a small embedded in the Liu browser application program / embedded in the browser processing module 31, using the browser environment Execute the small program 321 executed in ^ 12 here to decrypt the data directly in Liu Liu and the message; the small program 321 is based on the encrypted electronic slot case; and when the user finishes reading, it is encrypted / decrypted

16689.ptd Page 10 574656 V. Description of the invention (7) Mini Program Module 3 2 encrypts the electronic file 2 3 2 into an encrypted electronic slot 2 0 1 and stores it in the data storage module 3 3. The browser decryption system 1 of the present invention is characterized in that after the reading operation is completed, the encryption / decryption applet module 32 encrypts the reading content in a symmetric or asymmetric encryption method, and becomes an encrypted electronic file type, such as , Encrypted electronic files 201, 233, so that the downloaded encrypted electronic files 2 01, 2 3 3 are only in the decrypted state when they are read by the user using the browser processing module 3 丨, and are encrypted at other times Status · For the user-end electronic device 3, after the reading process is completed, other users cannot obtain the decrypted real content of the downloaded electronic file even if they get to the browser Temp slot. FIG. 2 is an operation flowchart showing a procedure of a browser decryption system to which the browser decryption system of the present invention is applied. As shown in Figure 2, first, in step 51, when the user-side electronic device 3 and the server 2 are connected via the network 4, the browser service module 2 1 of the server 2 stores the data in the database 2 3 The browser webpage content 2 3 1 is provided to the user-end electronic device 3 so that the user can read the webpage content 2 3 1 on the browser day surface 31 1 of the browser processing module 31 1 and proceed to step 5 2. At step 52, the user selects and clicks on the web page content 231 displayed on the daytime browser 3 丨 and submits a request to download the electronic file for viewing, and sends this request to the browser processing module 31 Server 2 and go to step 5 3. In step 5 3, the browser service module 2 1 of the server 2 will receive the request and will cooperate with the database 2 3 in response to the user's request.

16689.ptd Page 11 574656 4 V. Description of the invention (8) Group 21 retrieves the encrypted electronic audit report 233 or the unencrypted electronic file 232 from the database 23 of the server 2. For the unencrypted electronic file 232, browse The server service module 2 1 will cooperate with the data encryption / decryption module 2 2 to encrypt the unencrypted electronic file 2 3 2 into a encrypted file 2 0 1 in a symmetrical or non-symmetric-symmetric encryption method. The browser service module Group 2 1 transmits the encrypted electronic file 2 0 1 or 2 3 3 to the user-end electronic device 3 via the network 4, and proceeds to step 5 4. In step 54, after the browser processing module 31 of the user-side electronic device 3 receives the encrypted electronic file 201 or 2 3 3, the user reads and downloads the encrypted electronic file 2 using the browser processing module 31. At the time, the encryption / decryption applet module 32 embedded in the play width processing module 31 will perform a decryption operation on the electronic file 2 0 1 encrypted or exposed symmetrically. Ran > Embedded in the browser processing module 31, using the small program 3 2 1 embedded in compliance ^ ^ using private 3 1 2 to browse directly in the browser ^ ^ This embedded small program 3 2 1 The encrypted electronic file data and brothers are explained from the bottom: action, the decrypted electronic file data and information are displayed on the screen of the Ding device 3 1 1 for users to read, during the reading process, use, see Liu Lan needs the information and content of the message, but can't copy it directly and proceed to step 55. Gu copy it. At step 55, after the reading is completed, the encryption / decryption applet module is read. The read content is encrypted in a symmetric or asymmetric encryption mode. The encrypted file type is, for example, encrypted electronic file. 'And it can be stored in the data storage module 33; download P or 2': case, or 233 is only in the decrypted state when the user reads it with Liu Lanji II ’s encryption, and at other times n %% like dense moles,

574656 V. Description of the invention (9) For the user-end electronic device 3, after the reading process is completed, other users cannot obtain the decrypted real content of the downloaded electronic file even if they get the T emp slot of the browser. . Fig. 3 is an operation flowchart showing a flow chart of an embodiment of applying the browser solution for reading and viewing as shown in Fig. 2 to browse data. In this embodiment, the user-side electronic device 3 is a personal digital assistant PDA. The user will use the PDA to select the unencrypted electronic file 2 3 2 in the database 23 in the server 2 and view it. First, in step 61, when the user-end electronic device 3 (pDA) and the server 2 are connected via the network 4 (wireless network transmission system or wired network transmission system), the server 2 / Liu Lan service mode Group 21 provides the web browser content 231 in the database 23 to the user-side electronic device 3, so that the user can read the web content 231 on the browser day 311 of the browser processing module 31 and go forward Go to step 6 2. · 'Go to step 6 3 In step 6 2, the user selects and clicks the web content 231 displayed on the browser ’s day 3 丨 the web content 231 is shown in Figure 5, the user proposes :, Book [100 sentences in English conversation] in the catalog of the Bakery Library to make a request, and send this request to the server 2 via the Liu Lan processing module 31, and the browser service at V 63 63 'servo benefits 2 After the module 2 asks, it will cooperate with the database 23 to respond to the use of the database 23 from the server 2 of the group 21, and the user will check the ': bujue' unencrypted electronic file corresponding to the service model 2 32 出 \ 曰 = ^ 文 会 ^ 话 10〇 sentence] Secret module 2 2 ， Symmetric or asymmetric gas type 2 ， with 5 shell material addition / decomposition type forking method, the electricity to be transmitted

574656 V. Description of the invention (10) The subtle case 2 3 2 is encoded and encrypted into an encrypted electronic file 2 01, that is, the encrypted electronic file 201 = E (electronic file 232), and the encrypted electronic file 201 $ Go to the 'user-side electronic device 3', and proceed to step 64. At step 64, the user-end electronic device 3 (PDA: T's browser processing module 3 1 receives the encrypted electronic file 2 〇1, the user uses the browser to process, and the group 3 1 pairs the downloaded encrypted electronic file 2 〇 丨 When reading, the encryption / decryption applet module 3 2 embedded in the browsing-processing module 31 1 will decrypt the electronic file 2 〇1 encrypted by symmetric or asymmetric coding, that is, , D (encrypted electronic file 201) = D (E (electronic file 232)) = electronic file ^ 32, the data and information of the decrypted electronic file 2 3 2 are displayed on the browser surface 3 1 1 for use For example, as shown in Figure 5, during the reading process, the user can select and browse the required information and message content. For example, it can be a general daily conversation, a business English conversation, or campus English, etc. , But the user cannot use the user-side electronic device 3 (pDA) as a key or a stylus to copy, copy, and proceed to step 65. At step 65, when the user stops viewing, add Panmi 32 will read the content in a symmetrical or asymmetric manner Encryption method :, Encryption, and become encryption "sub-file type" Bird, Encryption Electronic Slot Case 2 and can be stored in the shell material storage module 33; so that the downloaded encryption I, g case 201 is only The user uses the browser processing module 31 to read the ghost, and it is in a decrypted state at other times, and at other times it is in an encrypted bear. At $, for the user-side electronic device 3 Λ car secret ~ β + α Feng mobile phone, electronic reader and The principle and steps used by the taxi are also the same, so it is no longer °, so Figure 4 is a flowchart of the operation process-the w, the display is not applied as in Figure 2 < _

16689.ptd 574656 V. Description of the invention (11) The browser decrypts the reading method to perform the procedure of another embodiment of reading data. As shown in FIG. 4, first, in step 71, when the user-side electronic device 3, here, is a personal computer, and the server 2 is connected via the network 4 (Internet), the server 2 browses Browser service module 2 1 provides the browser webpage content 2 3 1 in the database 2 3 to the user-side electronic device 3 (personal computer), so that the user can process the browser of the module 31 in the browser. Read the web page content 2 3 1 on page 3 1 1 and proceed to step 7 2. At step 72, the user selects and clicks the web page content 2 3 1 displayed on the daytime browser 3 1 1 of the browser, as shown in FIG. 7, and proposes to download the masterpiece [三国 志] electronic file in the database directory. To make a request for viewing, and send this request to the server 2 via the browser processing module 31, and proceed to step 73. In step 7 3, the browser service module 21 of the server 2 will cooperate with the database 23 in response to the user's request after receiving the request. The browser service module 21 will retrieve the database 23 from the server 2 Take out the encrypted electronic file 23 3 corresponding to the famous book [Three Kingdoms]. Here, because the electronic file 23 3 is an encrypted file, there is no need to use the data encryption / decryption module 22 to encrypt the file. The encrypted electronic file 23 3 is directly sent to the user-end electronic device 3 (personal computer), and the process proceeds to step 74. In step 74, after the browser processing module 31 of the user-side electronic device 3 receives the encrypted electronic file 2 3 3, the user uses the browser processing module 3 1 to browse the downloaded encrypted electronic file 2 3 3 The encryption / decryption applet module 32, which is embedded in the browser processing module 31, will decrypt the electronic file 2 3 3 encrypted by symmetric or asymmetric coding, and decrypt the decrypted file data, The message is displayed on the browser screen 3 11 for users to read.

16689.ptd Page 15 574656 V. Description of the invention (12) In the process, the user can use the mouse or keys to select and browse the required data and message content. For example, as shown in Figure 8, you can select the first Chapter, Chapter 2 or Chapter 3, but you cannot directly copy, copy, and proceed to step 7 5. 'At step 7 and 5, after the reading is completed, the encryption / decryption applet module 3 2 will encrypt the reading content in a symmetric or asymmetric encryption method to form' encrypted electronic file type, for example, encrypted electronic The file 233 can be stored in the data storage module 3 3; the downloaded encrypted electronic file 2 3 3 is only in the f state when it is read by the user using the browser processing module 31, and At other times, it is in an encrypted state; for the user-end electronic ¥ 3 (personal computer), after the reading process is completed, other users cannot get the decrypted electronic file downloaded even if they go to the browser's Temp slot. After the real content. Fig. 5 is a schematic diagram for displaying the web page content 231 displayed on the browser screen 31 1 in the embodiment of Fig. 3 for the user to select and click on the data to be downloaded and viewed. As shown in the figure, the books in the database directory for users to download are [English Conversation 100 Sentences], [High School English Selected Works], [English Idioms], and [Movie English Conversations], etc., which are available for use Download and read. • Figure 6 is a schematic diagram for displaying the decrypted electronic file data and messages displayed on the browser screen as in the embodiment of Figure 3 for users to select and browse. As shown in the figure, users can select and browse the required data and message content. For example, they can select general daily conversations, business English conversations, or campus English conversations.

16689.ptd Page 16 574656 V. Description of the invention (13) Figure 7 is a schematic diagram for displaying the content of the web page displayed on the daytime of the browser in the embodiment of Figure 4 for users to choose, Click the information you want to download and view. As shown in the figure, the masterpieces in the database directory available for users to download are [Water Margin], [Three Kingdoms] " and [Journey to the West], etc., which can be downloaded and viewed by users. Fig. 8 is a schematic diagram for displaying the decrypted electronic file data and information displayed on the daytime of the browser as in the embodiment of Fig. 4 for users to select and browse. As shown in the figure, the user can select and browse the required data and message content. For example, they can select Chapter 1, Chapter 2, or Chapter 3. Based on the above embodiments, we can obtain a browser decryption system and method according to the present invention, which is applied in a network environment, and uses a small program embedded in a browser application program to execute the embedded program directly in the browser environment. A small program that decrypts encrypted electronic file data and messages, and displays the data and messages of the decrypted files on the browser ’s daytime surface, so that users can browse the data and message content, but cannot copy, copy and display The contents of the data and messages decrypted by the small program on the browser's day can't get the real content even if they get the browser's Temp slot. After the user browses the electronic file, the electronic file is still encrypted. Save to protect the copyright of downloaded data and messages. The advantages of the browser decoding system and method of the present invention are as follows: 1. Provide a browser decoding system and method, which is applied in a network environment, using a small program embedded in a browser application program, and only when the user uses the browsing software When reading the electronic file,

16689.ptd Page 17 574656 < V. Description of the invention (14) The decryption action is performed, and the decrypted electronic file data and information are displayed on the daytime of the browser, and when the user finishes browsing, it is still encrypted. The type stores electronic files, that is, the electronic files are decrypted only when they are read by the browsing software. '2. When users use the browsing software to read electronic files, they can only read the data and content displayed on the browser screen, but cannot copy and copy the content of the data and messages decrypted by the applet displayed on the browser screen. Even if you get the T emp slot of the browser, you can't get the real content. 3. After the user browses the electronic file, the electronic file is still stored in an encrypted form to protect the copyright of the downloaded data and messages ». The above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all other equivalent changes or modifications made without departing from the spirit disclosed by the present invention should be included in the following patents Within range.

16689.ptd Page 18 574656 Brief description of the drawings [Brief description of the drawings] In order to make the above and other objects, features, and advantages of the present invention more obvious and easier to understand, a preferred embodiment will be given in conjunction with the accompanying drawings, The embodiments of the present invention are described in detail. The contents of the drawings are briefly described as follows: 4 FIG. 1 is a system block diagram showing the architecture of a browser decryption system to which the present invention is applied; FIG. 2 is an operation flowchart Among them, the browser decryption system to which the present invention is applied to display the browser's decryption and reading method is shown in FIG. 3. FIG. 3 is an operation flowchart showing the application to decrypt the reading method by the browser such as in FIG. 2 for reading. The flow procedure of an embodiment of the data; FIG. 4 is an operation flow chart, which shows the flow procedure of another embodiment of the application for decrypting the reading method such as the browser in FIG. 2 for reading the data; FIG. 5 is A schematic diagram for displaying webpage content displayed on the daytime of the browser in the embodiment shown in FIG. 3 for users to select and click on the information they want to download and browse; FIG. 6 is a schematic diagram , Used to display the decrypted electronic file data and messages displayed on the browser screen in the embodiment shown in FIG. 3 for users to select and browse; FIG. 7 is a schematic diagram used to display as shown in FIG. 4 In the embodiment of the figure, the webpage content displayed on the daytime of the browser is provided for the user to select and click on the information to download and view; and FIG. 8 is a schematic diagram for displaying the embodiment as shown in FIG. 4 Nakano

16689.ptd Page 19 574656 5 Schematic description Decrypted electronic file data and messages are now displayed on the browser's day for users to select and browse. [Explanation of Graphical Symbols] .1 Browser decryption system '2 Server 3 User-end electronic device 4 Internet 21 Browser service module 2 2 Data encryption / decryption module 23 Database 00 1 Encrypted electronic file 231 Web page content 2 3 2 Unencrypted electronic file 233 Encrypted electronic slot case 3 1 Browser processing module 32 Encryption / decryption applet module 33 Data storage module 3 1 1 Browser screen 3 1 2 Browser application ^ 1 Embedded Applet

16689.ptd Page 20

Claims (1)

574656 VI. Scope of Patent Application 1. A browser decryption method that allows users to browse data and message content, but cannot copy and copy the decrypted data and message content displayed on the browser ’s daytime. This browser decrypts The method includes: After the browser processing module of the user-side electronic device receives the encrypted electronic file, when the user uses the browser processing module to browse the downloaded encrypted electronic file, / The decryption applet module will perform decryption on the encrypted electronic files, and display the data and information of the decrypted electronic files on the browser daytime for users to read. During the reading process, users can select and Browse the required data and message content, but you cannot directly copy and copy the content. 2. The browser decryption method described in item 1 of the scope of the patent application, further comprising: after the reading is completed, the encryption / decryption applet module will encrypt the reading content and become an encrypted electronic file type, which can be encrypted. Stored in the data storage module. 3. The browser decryption method described in item 1 or 2 of the scope of the patent application, wherein the encryption / decryption method is a symmetric encryption / decryption method. 4. The browser decryption method described in item 1 or 2 of the scope of patent application, wherein the encryption / decryption method is an asymmetric encryption / decryption method. 5. — A browser decryption method, which allows users to browse data and message content, but cannot copy and copy the decrypted data and message content displayed on the browser screen. This browser decryption method includes: After the device and the server are connected through the network, the browser service module of the server extracts the content of the browser webpage in the database. 16689.ptd Page 21 574656 6. The scope of the patent application is provided to the user-end electronic device, so that the user can read the content of the webpage on the daytime browser of the browser processing module; the user selects and clicks to display The content of the webpage on the server day, and download the electronic file for viewing β request, and send this request to the server through the browser processing module; after receiving the request, the server's browser service module, It will cooperate with the database to respond to the user's request. The browser service module will take out the encrypted electronic file from the server's database, and the browser service module will send the encrypted electronic file to the user's electronics via the network. Device; I After the browser processing module of the client-side electronic device receives the encrypted electronic file, the user uses the browser processing module to read and download the encrypted electronic file. / Decrypt applet module, which will decrypt the encrypted electronic file, and display the data and information of the decrypted electronic file in the browser It is for users to read. During the reading process, users can select and browse the required data and message content, but cannot directly copy and copy the content; and after reading, the encryption / decryption applet module will The reading content is encrypted by encryption, and becomes an encrypted electronic file type, and can be stored in the data storage module; so that the downloaded encrypted electronic file is only read by the user using the browser processing module, It is in a decrypted state and is encrypted at other times. 6 · A browser decryption method, which allows users to browse data and message content, but cannot copy or copy the decrypted information displayed on the browser screen 16689.ptd Page 22 574656 6. The content of patent application materials and messages. This browser decryption method includes: After the client-side electronic device and the server are connected through the network, the server's browser service module will store the database. The webpage content of the browser is provided to the user-end electronic device, so that the user can read the webpage content on the daytime of the browser of the browser processing module; the user selects and clicks to display on the daytime of the browser The webpage content on the website, and make a request to download the electronic file for viewing, and send this request to the server through the browser processing module; the server's browser service module will cooperate with the data after receiving this request The library responds to the user's request. The browser service module retrieves the unencrypted electronic file from the server's database. The browser service module will cooperate with the data encryption / decryption module to encrypt the unencrypted electronic file. Encryption becomes an encrypted file, and the browser service module transmits the encrypted electronic file to the user-side electronic device via the network; the user-side electronic device After the browser processing module receives the encrypted electronic file, when the user uses the browser processing module to read and download the encrypted electronic file, the encryption / decryption applet module embedded in the browser processing module will The encrypted electronic file is decrypted, and the data and information of the decrypted electronic file are displayed on the daytime of the browser for the user to read. During the reading process, the user can select and browse the required data and message content, but The content cannot be copied or copied directly; and after the reading is completed, the encryption / decryption applet module will encrypt the reading content in an encrypted manner and become an encrypted electronic file type, and 16689.ptd Page 23 574656 6. The scope of the patent application can be stored in the data storage module; so that the downloaded encrypted electronic file is only decrypted when the user reads it with the browser processing module, and the Other times it is in an encrypted state. 7. The decryption method of the T Liu browser as described in item 5 or item 6 of the patent application scope, wherein the encryption / decryption method is a symmetric encryption / decryption method. 8. The browser decryption method as described in item 5 or 6 of the scope of patent application, wherein the encryption / decryption method is an asymmetric encryption / decryption method. -9. The browser as described in the scope of patent application for item 1, or item 2, or item 3, or item 4, or item 5, or item 6, or item 7, or item 8 Decryption method g, which uses a small program embedded in the encryption / decryption applet module executed in the browser application module of the browser processing module to directly execute this embedded applet in the browser environment to Decryption of encrypted electronic file data and messages. β 1 0. The browser decryption method described in item 1, 5, or 6 of the scope of the patent application, wherein the user-side electronic device can be a personal computer, a personal digital assistant, a mobile phone, and an electronic reader. Either. 11. The browser decryption method described in item 5 or item 6 of the scope of patent application, wherein the network may be any one of a wireless communication system, a wired communication system, and the Internet. # · A browser decryption system, which allows users to browse data and message contents, but cannot copy and copy the decrypted information, materials, and messages displayed on the browser ’s daytime. This browser decryption system includes: Users End electronic device, the user end electronic device has a browser processing module, an encryption / decryption applet module, and a data storage module 16689.ptd Page 24 574656 VI. Patent application browser processing module. After receiving the encrypted electronic file, the browser processing module will use the browser processing module to read and download the encrypted electronic file. The encryption / decryption applet module embedded in the browser management module will decrypt electronic files encrypted by symmetric or asymmetric encoding, and display the data and information of the decrypted electronic files in the browser. It is available for users to read on the day; the browser processing module includes browser screens and browser applications, and the encryption / decryption applet module has applets. The encryption / decryption module is embedded in the browser processing module. Utilize the small program embedded in the browser application program to execute this embedded small program directly in the browser environment to decrypt encrypted electronic files; encryption / decryption applet module, this encryption / decryption applet The module has a browser application program embedded in the browser processing module. When the user wants to read the encrypted electronic file, this encryption / decryption process The module will decrypt the encrypted electronic file into an electronic file in a symmetric or asymmetric decryption mode to display it on the browser's day surface for users to view; and the data storage module, when the user finishes viewing Then, the encryption / decryption applet module encrypts the electronic file into an encrypted electronic file and stores it in the data storage module. 1 3. The browser decryption system described in item 12 of the scope of patent application, further comprising a server, which has a browser service module, a data encryption / decryption module, and a database; 16689.ptd Page 25 574656 VI. Patent application scope browsing service module, this browsing service module provides the browser webpage content in the database to the client computer, so that the user can process the module in the browser. The browser reads the content of the webpage on the day. When the electronic file is requested to be downloaded by the user-side electronic device, the browser service module will serve itself. From the server's database, take out the encrypted electronic file or the unencrypted electronic file. Files, for unencrypted electronic files, the browser service module will cooperate with the data encryption / decryption module to encrypt unencrypted electronic files into encrypted files in a symmetric or asymmetric encryption method, and the browser service module will encrypt the electronic files The file is transmitted to the user's electronic device through the network; φ data encryption / decryption module, this data encryption / decryption module is responsible for transmitting the data to the user's electronic device in a symmetric or asymmetric encryption method. Encrypted electronic slot case to encrypt; and database, this database contains web content, unencrypted electronic file $, encrypted electronic file, data The webpage content in the library is provided to the user-end electronic device, so that the user can read the webpage content on the browser screen of the browser processing module, and click on the electronic file to download and read, and the encrypted electronic The file is a file type that the browser processing module can browse and read. 14. The browser decryption system described in item 12 or item 13 of the scope of patent application, wherein the user-side electronic device may be any of a personal computer, a personal digital assistant, a mobile phone, and an electronic reader. One. 16689.ptd Page 26