WO2011137868A2

WO2011137868A2 - Method and device for instantly encrypting and decrypting messages

Info

Publication number: WO2011137868A2
Application number: PCT/CN2011/077281
Authority: WO
Inventors: 贺苗苗
Original assignee: 华为终端有限公司
Priority date: 2011-07-18
Filing date: 2011-07-18
Publication date: 2011-11-10
Also published as: WO2011137868A3; CN102334306A

Abstract

The present invention relates to the field of communications. Disclosed are a method and device for instantly encrypting and decrypting messages, the method comprising the steps of: detecting, during composition of a message, whether there is an encryption control signal for calling-up an encryption program; if there is, initiating the encryption program automatically and instantly to encrypt message content that is input; displaying on the screen the message content in the form of "garbled text"; detecting whether there is a decryption control signal; if there is, initiating a decryption program to automatically instantly decrypt the encrypted message content; displaying on the screen the message content in the form of the original text. When a user composes a message in a public place, the present invention can encrypt the message being composed, displaying the message content in the form of "garbled text", and thereby prevent other people from surreptitiously viewing private information of the user. When the user needs to view the full content, however, the user can still view or preview the original text.

Description

Technical field

The present invention relates to the field of communications, and in particular, to a method and apparatus for preventing others from peeking at information content. Background technique

The device that can send and receive text messages, such as the use of mobile phones, is an open space that can be used anywhere at any time, so the protection of personal privacy information is particularly important. The existing short message technology solution is directly displayed to the end user, the user WYSIWYG, no processing, so that when the user is in an open space, it is easy to leak out their private information. For example, when a user edits a text message on a bus, the passenger next to it will see the text message. How to protect in an open space The privacy of users to edit text messages is an urgent technical issue. Summary of the invention

The invention mainly solves the problem that when the user edits the information in public, the edited information content is easily "sneaked" by others.

In view of this, it is necessary to provide a method and apparatus for instant encryption and decryption of information.

A method for instant encryption of information, comprising: detecting whether there is an encryption control signal for calling an encryption program, and if so, starting an encryption program, automatically encrypting the information content that needs to be encrypted; displaying the content in a "garbled" form on the screen Information content that needs to be encrypted.

A method for instant decryption of information, comprising: detecting whether there is a decryption control signal for calling a decryption program, if so, starting a decryption program, automatically decrypting the encrypted information content; displaying the information content in a text form on a screen . The above two methods can be combined and operated in practice.

A device for instant encryption of information, comprising: a detection and encryption module, when used for editing information, detecting whether there is an encryption control signal for calling an encryption program, and if so, starting the encryption program, automatically encrypting the information content that needs to be encrypted; And a control module, configured to display the information content that needs to be encrypted in a “garbled” form on the screen.

A device for instant decryption of information, comprising: a detection decryption module, configured to detect whether there is a decryption control signal for calling a decryption program, if yes, start a decryption program, and automatically decrypt the encrypted information content; decrypt the display control module, It is used to display the information content in the original text form on the screen.

The device for instant encryption and the device for instant decryption of information can be combined into one, and the device for synthesizing and decrypting information is synthesized.

The device for instant encryption and decryption of the information is any one of a mobile phone, a palmtop computer, and a portable short message transceiver device.

In the embodiment of the present invention, when the user edits the information in a public place, the content may be edited or the content of the document, and the content of the information that has been edited by the user is displayed in the form of "garbled," in an encrypted form. Others can peek at their own private information. When the user needs to view all the content, the user can view and preview the original text through information encoding and conversion. The method and device of the invention are convenient and practical, and the operation unit has a wide market application value. Illustration

1 is a flow chart of a first embodiment of a method for instant encryption and decryption of a short message; FIG. 2 is a flow chart of a second embodiment of a method for instant encryption and decryption of a short message; Editing interface;

4 is a diagram showing that a touch action of a finger sliding from right to left is set as an encryption control signal in the embodiment of the present invention. Intention

FIG. 5 is a diagram showing a touch action of a finger sliding from left to right in the embodiment of the present invention as a decryption control signal; FIG.

6 is a schematic structural diagram of an apparatus for instant messaging of a short message according to the present invention;

7 is a schematic structural diagram of an apparatus for instant decryption of a short message according to the present invention;

FIG. 8 is a schematic structural diagram of an apparatus for instant encryption and decryption of a short message according to the present invention. Specific embodiment

Embodiment 1 of the present invention provides a method for instant encryption of information, including:

Detect whether there is an encryption control signal for calling the encryption program, and if so, start the encryption program, and automatically encrypt the information content that needs to be encrypted;

Display the information content that needs to be encrypted in the form of "garbled code" on the screen.

The specific process of encryption is to perform operation encryption on the encoding of the characters in the information content to be encrypted, and the short message encoding method used is 7-bit encoding, or 8-bit encoding, or UCS2 encoding. 7-bit encoding is used to send ordinary ASCII characters. It adds a "0" encoding of a string of 7-bit characters to 8-bit data. Each 8 characters can also be "compressed, into 7 characters. 8-bit encoding is usually used to send data messages, such as pictures and ring tones; and UCS2 encoding is used to send Unicode characters.

For example, the ASSCII code of the letter "N" encoded by 7-bit is 0111001. The encryption algorithm replaces the last 2 digits of the code, and the code after the replacement is 0111010, which is converted into a "." symbol. The -bit encoding and UCS2 encoded data are also replaced by the last two digits of the encoding, which are converted into "garbled" symbols.

The encryption may also be: Directly replacing the information content that needs to be encrypted with a fixed "garbled code" for display. The device performing the encryption stores the content of the information that needs to be encrypted and the location of the information content. For example, the first few characters, or the first few lines, replace the information content with "garbled characters", for example

The "¥" symbol is displayed.

The method of the first embodiment further includes pre-installing the encryption program, and setting the encryption control signal: for the touch screen mobile phone, setting a touch action on the interface of the edit information from the first side to the second side, the instant encrypting the information content The encryption control signal; for the mobile phone with the keypad, the encryption control signal is automatically generated by selecting the encryption menu through the function button.

For a touch screen phone, in the edit message box, set the start point to the end point of the user's finger or pen to the information content that needs to be encrypted.

A second embodiment of the present invention provides a method for instant decryption of information, including:

Detecting whether there is a decryption control signal for calling the decryption program, and if so, starting the decryption program, and automatically decrypting the encrypted information content, that is, the content that needs to be decrypted;

The information content is displayed in the original text form on the screen.

The decryption corresponds to encryption, and corresponds to the foregoing operation of encrypting the encoding of the character. The specific process of decrypting is to perform encryption and anti-editing operation on the encoding of the character, and the short message encoding method is 7-bit encoding, or 8-bit encoding, or UCS2 encoding. According to the above encryption principle, the decryption algorithm restores the last 2 digits of the code.

Corresponding to the foregoing way of replacing the information content to be encrypted by directly using fixed garbled characters, the specific process of decrypting is to identify the location where the garbled code is located, such as the first few characters, or the first few lines, to find the location stored therein. Corresponding original text.

The method of the second embodiment further includes pre-installing the decryption program, and setting the decryption control signal: for the touch screen mobile phone, the touch action is set on the interface of the edit information, and the touch action is performed from the second side to the first side, and the information is The content decryption control signal for instant decryption; for the mobile phone of the keypad, when the operation function button is selected to select the decryption menu, the decryption control signal is automatically generated. For a touch screen mobile phone, in the edit information box, set the start point of the user's finger or the pen to the end touch area as the information content that needs to be decrypted.

As shown in FIG. 1, the above two embodiments of the present invention can be combined and operated in practice, and the method steps of the third embodiment are specifically described below:

Step S103: When editing information, such as editing a short message or a document, the system detects whether there is an encryption control signal for calling the encryption program;

Step S104: If the detection is started, the encryption program is started, and the information content that needs to be encrypted is automatically encrypted in the instant, and if not, the detection is continued;

Step S105, displaying the information content to be encrypted in the form of "garbled code" on the screen;

Step S106: When viewing the information, the system detects whether there is a decryption control signal for calling the decryption program. Step S107: If the detection is successful, the decryption program is started, and the encrypted information content is automatically decrypted immediately, if not, the detection is continued;

Step S108: Display the information content in the original text form on the screen.

As a modification, the present invention provides the method of the fourth embodiment. The difference between the fourth embodiment and the third embodiment is that the following steps are added:

Step S101: Install an encryption and decryption program in advance. The encryption program can recognize input information, such as words and numbers, and convert the input information into other symbols for display on the screen, such as converting to "*" or

"#" symbol, etc. The decryption program can convert the encrypted symbols into original input information for display on the screen.

Step S102: setting an encryption control signal and a decryption control signal:

For a touch screen mobile phone, a touch action that is arranged to slide from the first side to the second side on the interface of the edit information is an encrypted control signal for instantly encrypting the information content; and an interface set on the edit information has the The touch action of sliding the two sides to the first side is a decryption control signal for promptly decrypting the short message content. For example, as shown in FIG. 3, the information normal editing interface. As shown in Figure 4 On the interface of the information, the touch action of setting a finger to slide from right to left is an encryption control signal, and the information content is encrypted by finger sliding. The figure shows the encryption method using the fixed garbled code instead of the information content to be encrypted. For a touch screen mobile phone, in the edit information box, set the start point to the end touch area of the user's finger or pen as the information content that needs to be encrypted.

The touch action of the finger sliding from left to right as shown in FIG. 5 is a decryption control signal, and the information content is decrypted by finger sliding, and the fixed "garbled code", that is, the "¥" symbol is restored to the original text. Of course, it is also possible to set a touch action in which a finger slides from the top to the bottom to be an encryption control signal; and a touch action in which the finger slides from the bottom to the top is a decryption control signal. For the area where the information needs to be encrypted or decrypted, the touch start point to the end touch area of the user's finger or pen can be set as the information area to be encrypted or decrypted.

For the phone with the keypad, the encryption control signal is automatically generated by selecting the encryption menu via the function button. For example, if a function button is selected, when the text message needs to be encrypted, press the function button, the system automatically encrypts the content of the text message input later, and displays it in garbled code, but press the same function button again to stop the power port.

For the phone with the keypad, set the operation function button to select the decryption menu, and the decryption control signal is automatically generated. When decryption is required, setting a function button or a plurality of combination function buttons generates a decryption control signal, such as generating a decryption control signal by pressing a function button for a long time. Or set a special decryption button, click to generate the decryption control signal. If the user presses the set function button or the decryption button, the decryption program is started to decrypt the encrypted content, which is convenient for self-viewing.

A person skilled in the art can understand that all or part of the process of implementing the above embodiment method can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium, the program In execution, the flow of an embodiment of the methods as described above may be included. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM). As shown in FIG. 6, the present invention provides an apparatus for instant encryption of information, including detecting an encryption module, for detecting whether there is an encryption control signal for calling an encryption program, and if so, starting an encryption program, automatically Instantly encrypt the information content that needs to be encrypted;

The encrypted display control module is configured to display the content of the information to be encrypted in a "garbled" form on the screen.

The device for instant encryption of the information is any one of a mobile phone, a palmtop computer, and a portable short message transceiver device.

For the touch screen mobile phone, the method further includes setting an encryption control signal module: for setting a touch action on the interface for editing information to slide from the first side to the second side, and then encrypting the control signal. The detection encryption module is also used to set the start point to the end touch area of the user's finger or pen to the information content that needs to be encrypted.

For the mobile phone with the keypad, it also includes setting the encryption control signal module: for selecting the encryption menu through the function button operation, the encryption control signal is automatically generated.

As shown in FIG. 7, the present invention provides an apparatus for instant decryption of information, including

The detection decryption module is configured to detect whether there is a decryption control signal for calling the decryption program, and if so, start the decryption program, and automatically decrypt the encrypted information content;

Decrypting the display control module for displaying the information content in the original text form on the screen.

The device for decrypting the information in real time is any one of a mobile phone, a palmtop computer, and a portable short message transmitting and receiving device.

For the touch screen mobile phone, the method further includes setting a decryption control signal module: configured to set a touch action on the interface of the edit information to slide from the second side to the first side, and then to decrypt the control signal. The detection and decryption module is further configured to set a start point to a destination touch area of the user's finger or pen as a valley of information that needs to be decrypted.

For the phone with the keypad, it also includes setting the decryption control signal module: for the function button When the operation selects the decryption menu, the decryption control signal is automatically generated.

The device for instant encryption and the device for instant decryption of information can be combined into one, and the device for synthesizing and decrypting information is synthesized. As shown in FIG. 8, the device for instant encryption and decryption of the information includes: a detection encryption module, configured to detect whether there is an encryption control signal for calling an encryption program when editing information, and if necessary, to start an encryption program, and automatically need to encrypt the information. Instant encryption of content;

An encrypted display control module, configured to display the content of the information to be encrypted in a "garbled" form on the screen;

The method and apparatus of the present invention can prevent others from peeking at their own private information by displaying the information content that the user has edited in the form of "garbled code" in an encrypted form when the user edits the information in public. When the user needs to view all the content himself, the information can be converted and converted to realize the preview of the original text. The method and device of the invention are convenient and practical, and the operation tube is single, and has a wide market application value.

It should be noted that several embodiments for performing instant encryption and decryption control on the information content are given above, but the present invention is not limited thereto, and other methods, such as other function key combinations or other methods, may also be used by those skilled in the art. The touch action mode can perform instant encryption and decryption control on the short-cut content. The spirit and scope of the Ming. Thus, it is intended that the present invention cover the modifications and variations of the inventions

Claims

Rights request

A method for instant encryption of information, characterized in that the method comprises:

The content of the information to be encrypted is displayed in the form of "garbled code" on the screen.

2. The method according to claim 1, further comprising pre-installing an encryption program and setting an encryption control signal: for the touch screen mobile phone, the interface disposed on the editing information has a sliding from the first side to the second side. The touch action is an encrypted control signal for instantly encrypting the information content; for a mobile phone with a key keyboard, an encryption control signal is automatically generated by selecting an encryption menu through a function button.

3. The method according to claim 3, wherein, for the touch screen mobile phone, further comprising setting a start point to an end point touch area of the user's finger or the pen as the information content to be encrypted.

4. The method according to claim 1, wherein the automatically encrypting the information content that needs to be encrypted is specifically: performing operation encryption on a code of a character in the information content that needs to be encrypted; The content of the information to be encrypted is displayed in the form of "garbled code" as follows: The result of the operation encryption is displayed on the screen.

5. The method according to claim 1, wherein the automatically encrypting the information content that needs to be encrypted is: directly replacing the information content that needs to be encrypted with a fixed "garbled code"; Displaying the information content that needs to be encrypted in the form of "garbled code" is specifically: displaying the fixed "garbled code" on the screen.

A method for instant decryption of information, characterized in that the method comprises:

Detecting whether there is a decryption control signal for calling the decryption program, and if so, starting the decryption program, and automatically decrypting the encrypted information content; The information content is displayed in the original text form on the screen.

7. The method according to claim 6, further comprising pre-installing a decryption program and setting a decryption control signal: for the touch screen mobile phone, the interface disposed on the edit information has a sliding from the second side to the first side The touch action is a decryption control signal for promptly decrypting the information content; for the mobile phone of the push button keyboard, setting the operation function button to select the decryption menu, the decryption control signal is automatically generated.

8. The method according to claim 6, wherein, for the touch screen mobile phone, setting the start point to the end point touch area of the user's finger or the pen as the information content that needs to be decrypted.

9. An apparatus for instant encryption of information, characterized in that

Detecting the encryption module, when used for editing information, detecting whether there is an encryption control signal for calling the encryption program, and if so, starting the encryption program, automatically encrypting the information content that needs to be encrypted;

10. The device according to claim 9, wherein the device is any one of a mobile phone, a palmtop computer, and a portable short message transmitting and receiving device.

11. Apparatus according to claim 9 wherein:

For the touch screen mobile phone, the method further includes: setting an encryption control signal module: configured to set a touch action on the interface for editing information to slide from the first side to the second side, and then encrypting the control signal;

12. The apparatus according to claim 10, wherein, for the touch screen mobile phone, the detection encryption module is further configured to set a start point to an end touch area of the user's finger or the pen as an information valley that needs to be encrypted.

13. An apparatus for instant decryption of information, comprising: The detection decryption module is configured to detect whether there is a decryption control signal for calling the decryption program, and if so, start the decryption program, and automatically decrypt the encrypted information content;

The device according to claim 13, wherein the device is any one of a mobile phone, a palmtop computer, and a portable short message transmitting and receiving device.

15. Apparatus according to claim 14 wherein:

For the touch screen mobile phone, the method further includes: setting a decryption control signal module: configured to set a touch action on the interface of the edit information that slides from the second side to the first side, and is a decryption control signal;

For the mobile phone with the key keyboard, the setting decryption control signal module is also included: for selecting the decryption menu by the function key operation, the decryption control signal is automatically generated.

The device according to claim 15, wherein, for the touch screen mobile phone, the detection and decryption module is further configured to set a start point to an end touch area of the user's finger or the pen as information that needs to be decrypted.