TWI447637B - Encryption and decryption system and method thereof - Google Patents

Description

Add/ decrypt system and method

The present invention relates to an encryption/solution system and method.

In the process of using the electronic device, the file in the electronic file is often encrypted/decrypted. For example, in the process of using the computer, the mouse is a commonly used operation device, and the sensitive and quick operation characteristics of the mouse make the use of the computer more. fast and convenient. However, the existing mouse basically does not have the function of adding/decrypting the file. Generally, the file encryption/decryption needs to input the password through the keyboard, so the convenience is lost, especially in the current society. Sex is more and more important, and it is not fast and convenient to encrypt the file information, so the risk of file leakage increases. The cumbersome operation process of the traditional encryption method makes the user urgently need a fast and fast encryption method. The above requirements also exist in other In an electronic device, such as a mobile phone or a camera.

In view of this, it is necessary to provide an encryption/decryption system and method that can be quickly added/decrypted.

An encryption/decryption system includes a user interface display unit, an operation unit, a storage unit, a pressure sensing unit, a pressure indicating unit, and a comparing unit. The operating unit is configured to select a file to be added/decrypted on the user interface display unit. The pressure sensing unit is disposed on the operating unit to sense the pressure applied to the operating unit and deliver the pressure signal to the pressure indicating unit. The pressure indicating unit is integrated on the operating unit for receiving the pressure signal output by the pressure sensing unit and issuing a corresponding indication signal according to the pressure signal to indicate the pressure level, and continuing according to whether the indication signal changes or not The pressure value unchanged for a period of time and its duration is stored as an encrypted password in the storage unit to encrypt the selected file, or as a decryption password to the comparison unit, the comparison unit will decrypt the password and the password stored in the storage area. Compare to decrypt the selected file.

An encryption method for an encryption/decryption system, comprising the steps of: selecting a file and generating a selection function table, including encryption and decryption options in the function table; selecting an encryption option; setting a storage location of the password in the storage unit; generating and displaying The password input prompt; receiving the pressure signal, indicating whether the pressure signal is changed according to the pressure signal, and converting the pressure value that is constant for a period of time into a digital signal, and timing the pressure signal when the pressure signal is When changing again, the timing is stopped, and the digital signal and duration corresponding to the pressure are stored as a password in the storage unit to complete the encryption of the selected file.

A decryption method for an encryption/decryption system, comprising the steps of: selecting a file and generating a selection function table, including encryption and decryption options in the function table Selecting a decryption option; generating and displaying a password input prompt; by receiving a pressure signal, an indication signal corresponding to the pressure signal indicates whether the pressure magnitude changes, and converting the pressure value that is constant for a period of time into a digital signal, The pressure signal is timed, when the pressure signal changes again, the timing is stopped and the digital signal and the duration corresponding to the pressure signal are used as a decryption password; and the decrypted password is compared with the encrypted password already stored in the storage area. If the two are the same, the selected file will be decrypted and the next program will be entered. If the two are different, then choose whether to re-enter. If yes, re-enter the decryption password, otherwise the process ends.

Compared with the prior art, the encryption/decryption system of the present invention and the encryption/decryption system encryption/decryption method can encrypt or decrypt the file by the mouse, so that the user can quickly and quickly encrypt the file.

100‧‧‧Add/Decrypt System

110‧‧‧User interface display unit

120‧‧‧Operating unit

130‧‧‧Check code selection unit

140‧‧‧ Pressure sensing unit

142‧‧‧ Pressure Sensor

144‧‧•Analog to digital converter

150‧‧‧Pressure indicator unit

152‧‧‧ indicating device

154‧‧‧Timer

160‧‧‧storage unit

162‧‧‧Storage area

164‧‧‧ temporary storage area

170‧‧‧Comparative unit

180‧‧‧Control unit

1 is a structural block diagram of an encryption/decryption system of the present invention; FIG. 2 is a flow chart of an encryption method of the encryption/decryption system of the present invention; and FIG. 3 is a flow chart of a decryption method of the encryption/decryption system of the present invention.

Referring to FIG. 1 , an encryption/decryption system 100 according to a preferred embodiment of the present invention includes a user interface display unit 110 , an operation unit 120 , and a check code selection unit 130 . A pressure sensing unit 140, a pressure indicating unit 150, a storage unit 160, a comparing unit 170, and a control unit 180.

The user interface display unit 110 is configured to display a system file and provide a selection function table for the user. The selection function table is further provided with an encryption and decryption option in addition to the commonly used options of copying, pasting, deleting, cutting, and the like. The encryption option and the storage path of the password corresponding to the decryption option can be preset. And after the user selects the encryption or decryption option, the user is provided with a password input interface, and the password input interface includes at least a check code input box and at least one password input box for respectively providing the user with the check code and the password. When the check code and the password are all input correctly, the user interface display unit 110 enters the corresponding service module and displays the corresponding content.

The operation unit 120 is an operation terminal for the user to issue an operation instruction, such as selecting a file to be added/decrypted in the interface displayed by the user interface display unit 110 and selecting an encryption or decryption option in the selection function table. And other exit menu options, close the password input interface and other operational instructions.

The check code selection unit 130 is disposed in the operation unit 120 to add a corresponding check code to the password set by the user when the user performs encryption or decryption, and is input to the password by the operation unit 120. The check code input box displayed by the user interface display unit 110. The check code selection unit 130 is configured to increase the password protection security of the encryption/decryption system 100. The check code selection unit 130 provides at least two check codes for the user to select, and it can be understood that the check code is more The higher the security, the better it is to provide 10 check codes in the form of any code that can be recognized by the computer, such as digits or letters. The check code selection unit 130 may be embedded in the encryption/decryption system 100 by a software program, or may be set in a hardware manner. The operation unit 120 is on. Whether embedded in the encryption/decryption system 100 in a software manner or in a hardware manner on the operation unit 120, when the user selects a verification code, the verification code is stored in the storage unit 160. . It can be understood that the check code selection unit 130 can be omitted if the encryption/decryption system 100 is used in an environment where the security level does not need to be high.

The pressure sensing unit 140 is integrated on the operating unit 120 and located at a position in the operating unit 120 that is accessible to a user, which is used to sense the pressure applied to the mouse and The pressure is converted into a pressure signal, which can be a digital signal or an analog signal. In the embodiment, the pressure sensing unit 140 includes a pressure sensor 142 and an analog to digital converter 144. The pressure sensor 142 is disposed at a position on the operating unit 120 that can be touched to sense a pressure applied at a corresponding position of the operating unit 120, and convey the sensed pressure signal To analog to digital converter 144. The pressure signal is converted into a digital signal by the analog to digital converter 144 and transmitted to the pressure indicating unit 150.

The pressure indicating unit 150 is integrated on the operating unit 120 for receiving the pressure signal output by the pressure sensing unit 140, and issuing different indication signals according to the pressure signal to indicate a pressure change, when the pressure sensing unit 140 When the output pressure is no longer changed, the pressure indicating unit 150 records the time of the pressure signal and the pressure signal, and stores the pressure signal and the continuous time as an encrypted password or a decrypted password in a corresponding area of the storage unit 160. Encrypted or used for decryption. In the embodiment, the pressure indicating unit 150 includes a pointing device 152 and a timing device 154. The indicating device 152 is configured to send a corresponding indication signal according to the digital signal sent by the pressure sensing unit 140, and the indication signal may be any A form that can be perceived and recognized by the user, such as the brightness of the light, the size of the sound, the color of the indicator light, and the like. In the present embodiment, the change in the color of the indicator light is preferably used to indicate the magnitude of the pressure sensed by the pressure sensing unit 140. The timing device 154 is configured to calculate a time period during which the pressure applied to the pressure sensing unit 140 is maintained for a period of time. Preferably, the pressure sensing device 154 is preset with a pressure duration, when the pressure sensing unit 140 senses that the pressure continues for a period of time and the duration of the pressure is greater than a preset pressure duration, The pressure timer device 154 starts counting, and stops counting when the pressure changes again. At this time, the pressure indicating unit 150 stores the digital signal corresponding to the continuous pressure and the duration thereof as a password. The storage unit 160 is used to encrypt or decrypt the selected file.

The storage unit 160 is configured to store the encryption check code, the encryption password, the decryption check code, and the encryption check code generated by the check code selection unit 130, the pressure sensing unit 140, and the pressure indication unit 150 during user encryption and decryption. Decrypt the password. In this embodiment, the storage unit 160 includes a storage area 162 and a temporary storage area 164. The storage area 162 is configured to store an encrypted check code and an encrypted password that are entered when the user encrypts. The temporary storage area 164 is configured to store a decryption check code and a decryption password that are entered when the user decrypts.

The comparing unit 170 is configured to perform, when the user selects the decryption, the decryption check code and the decrypted password temporarily stored in the temporary storage area 164 of the storage unit 160, and the encrypted check code and the encrypted password stored in the storage area 162. If the decryption check code and the decryption password in the temporary storage area 164 are the same as the encrypted check code and the encrypted password stored in the storage area 162, the correct password is output to the control unit 180, and vice versa. The control unit 180 is misdirected. It can be understood that the pressure indicating unit 150 can provide the decryption password directly to the comparison unit 170 during the decryption process.

The control unit 180 is configured to receive an output instruction of the comparison unit 170, and control execution of the next program according to the instruction. If the comparison unit 170 outputs a password correct instruction, the file that needs to be opened is opened under the instruction or enters a service module that needs to be entered. If the comparison unit 170 outputs a password error instruction, the language prompt of the password error is displayed on the user interface display unit 110 according to the instruction, and the password is re-entered.

The encryption/decryption system 100 of the present invention uses the pressure exerted on the mouse to realize encryption or decryption of the target, and the operation thereof is convenient and fast, and the check code is used to improve the decryption difficulty of the encryption/decryption system 100, which is greatly convenient. The user's need for fast encryption and decryption of the target.

Referring to FIG. 2, an encryption method of an encryption/decryption system 100 according to a preferred embodiment of the present invention includes the following steps: S11 selects a file and generates a selection function table, and includes an encryption and decryption option in the function table; Encryption option; S13 sets the storage location of the encrypted password in the storage device; S14 generates and displays a check code selection prompt; S15 selects the check code and stores it in the same storage device as the encrypted password; S16 generates and displays the password input prompt; S17 receives the pressure signal, and sends an indication signal corresponding to the pressure signal to indicate whether the pressure magnitude changes, and converts the pressure value that is constant for a period of time into a digital signal, and simultaneously counts the pressure signal, when the pressure signal changes again. Stop timing, and store the digital signal and duration corresponding to the pressure as a password in the storage area to complete encryption of the selected file.

With the above method, the user can quickly encrypt the target by the mouse.

Referring to FIG. 3, a decryption method of an encryption/decryption system 100 according to a preferred embodiment of the present invention includes the following steps: S21 selects a file and generates a selection function table, and includes an encryption and decryption option in the function table; S22 selects Decryption option; S23 sets the storage location of the decryption password in the temporary storage area; this step may be omitted for different requirements; S24 generates and displays a verification code selection prompt; S25 selects the decryption verification code and stores it in the same decryption password In the storage area; this step can be omitted as in step S23; S26 generates and displays a password input prompt; S27 receives a pressure signal, and an indication signal corresponding to the pressure signal indicates whether the pressure changes and continues for a period of time. The time-invariant pressure value is converted into a digital signal, and the pressure signal is timed. When the pressure signal changes again, the timing is stopped, and the digital signal and duration corresponding to the pressure signal are made. To decrypt the password; S28 compares the decrypted check code and the decrypted password with the encrypted check code and the encrypted password that have been stored in the storage area. If the two are the same, the selected file is decrypted and the next program is entered. If the two are different, choose whether to re-enter, if yes, return to S27, and if not, end.

By the above method, the user can decrypt the target by the mouse. It is convenient and fast, and the password is difficult to crack.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.

100‧‧‧Add/Decrypt System

110‧‧‧User interface display unit

120‧‧‧Operating unit

130‧‧‧Check code selection unit

140‧‧‧ Pressure sensing unit

142‧‧‧ Pressure Sensor

144‧‧•Analog to digital converter

150‧‧‧Pressure indicator unit

152‧‧‧ indicating device

154‧‧‧Timer

160‧‧‧storage unit

162‧‧‧Storage area

164‧‧‧ temporary storage area

170‧‧‧Comparative unit

180‧‧‧Control unit

Claims (11)

An encryption/decryption system includes a user interface display unit, an operation unit, and a storage unit, wherein the operation unit is configured to select a file to be added/decrypted in the user interface display unit, The decryption system further includes a pressure sensing unit, a pressure indicating unit, and a comparing unit, the pressure sensing unit is disposed on the operating unit to sense the pressure applied to the operating unit and deliver the pressure signal to the pressure indicating unit, The pressure indicating unit is integrally disposed on the operating unit for receiving a pressure signal output by the pressure sensing unit and issuing a corresponding indication signal according to the pressure signal to indicate a pressure level, and when the pressure continues When not changing, the constant pressure value and its duration are stored as an encrypted password in the storage unit to encrypt the selected file, or as a decryption password to the comparison unit, the comparison unit decrypts the selected file The password is compared to an encrypted password stored in the storage unit to decrypt the selected file. The encryption/decryption system of claim 1, wherein the storage unit comprises a storage area and a temporary storage area, the encrypted password is stored in the storage area, and the decryption password is stored in the temporary storage area. The comparison unit compares the decrypted password stored in the temporary storage area with the encrypted password stored in the storage area, thereby decrypting the selected file. The encryption/decryption system of claim 1, wherein the encryption/decryption system further comprises a check code selection unit for adding a corresponding check code to the encrypted password or the decrypted password. An encryption/decryption system according to claim 1, wherein the encryption/decryption The system further includes a control unit, configured to receive an output instruction of the comparison unit, and if the output instruction is a password correct instruction, the control unit controls the user interface display unit to enter a corresponding service module and display corresponding If the output instruction is a password error instruction, the control unit controls the user interface display unit to display a language prompt with a wrong password, and prompts to re-enter the password. The acceleration/decryption system of claim 2, wherein the pressure indicating unit comprises a pressure indicating device and a pressure timing device, wherein the pressure indicating device is configured to send the indication signal, and the pressure timing device The time taken to calculate the constant pressure applied to the pressure sensing unit. The acceleration/decryption system of claim 5, wherein the pressure timing device is preset with a pressure duration, and when the pressure sensing unit senses that the magnitude of the pressure continues to be longer than the advance When the pressure duration is set, the pressure timer device starts counting, stops counting when the pressure magnitude changes again, and encrypts the digital signal value corresponding to the continuous pressure magnitude and the duration thereof. The password or decryption password is stored in the storage unit. The encryption/decryption system of claim 6, wherein the indication signal sent by the pressure indicating device is a light, a sound, or an indicator color. An encryption method for an encryption/decryption system, comprising the steps of: selecting a file and generating a selection function table, including encryption and decryption options in the function table; selecting an encryption option; setting a storage location of the password in the storage unit; generating and displaying Password input prompt; receiving pressure signal, corresponding to the pressure signal, indicating the pressure indicating whether the pressure is Changing, and when the pressure level is constant, converting the constant pressure value into a digital signal, while timing the pressure signal, when the pressure signal changes again, stopping the timing, and the pressure is The digital signal corresponding to the value and the duration of the pressure magnitude are stored as encrypted passwords in the storage unit to complete encryption of the selected file. The encryption method of the encryption/decryption system of claim 8, wherein: after the step of setting the storage location of the password in the storage unit step, the method further comprises the steps of: generating and displaying a verification code selection prompt; The code is verified and stored in the same storage location as the encrypted password. A decryption method for an encryption/decryption system, comprising the steps of: selecting a file and generating a selection function table, including an encryption and decryption option in the function table; selecting a decryption option; generating and displaying a password input prompt; and receiving the pressure signal, In response to the pressure signal, an indication signal indicates whether the pressure magnitude changes, and when the pressure level continues, the constant pressure value is converted into a digital signal, and the pressure signal is timed, when the pressure signal is When the change occurs again, the timing is stopped and the digital signal corresponding to the pressure signal and the duration of the pressure are used as a decryption password; the decrypted password is compared with the encrypted password already stored in the storage area, if the two are the same Then decrypt the selected file and enter the corresponding service module to display the corresponding content. If the two are different, prompt to re-enter the password. A method for decrypting an encryption/decryption system as described in claim 10, wherein: After the step of selecting the decryption option is completed, the method further includes the steps of: generating and displaying a check code selection prompt; selecting a decryption check code; and comparing the decrypted password with the encrypted password already stored in the storage area, The selected decryption check code is compared with the encrypted check code stored in the storage area.