A non-inductive real-time screen saver encryption method and system applied to a tablet computer

Abstract

The application relates to a non-inductive real-time screen saver encryption method and system applied to a tablet computer. The method comprises the following steps: when preset standby state identification conditions are met, judging current tablet computer state information; according to the current tablet computer state information, selecting a corresponding screen saver encryption method, wherein the screen saver encryption method comprises a first-level screen saver encryption method and a second-level screen saver encryption method; based on the screen saver encryption method, encrypting to obtain user monitoring information in a preset time period before encryption; and inputting the user monitoring information into a decryption model to generate corresponding decryption information. The application has the effects of improving the security and adaptability of the encryption mode of the tablet computer.

Description

Technical Field

[0001] The present invention relates to the technical field of screen saver encryption, and in particular to a non-sensing real-time screen saver encryption method and system applied to a tablet computer. Background Art

[0002] With the rapid development of technology, tablet computers have become an indispensable tool in our daily lives and work. However, despite the significant progress in the functions and performance of tablet computers, their encryption methods still have some problems that may pose a threat to our information security.

[0003] In related technologies, tablet computer encryption methods are often overly simplistic. Many tablet computers utilize only basic password authentication, making user-set passwords easily guessable or crackable using simple cracking tools. This simple encryption method not only fails to provide adequate security but also poses the risk of password leakage during use. Furthermore, biometric technology in tablet computers also has limitations. While biometric technologies such as fingerprint recognition have been widely adopted in tablet computers, they still present some challenges. For example, fingerprint recognition can be compromised by fake fingerprints, while iris recognition can cause malfunctions due to low accuracy.

[0004] In summary, in the related art, the problems with the encryption method for tablet computers mainly include being too simple, the limitations of biometric technology, and compatibility issues. Summary of the Invention

[0005] In order to improve the security and adaptability of the encryption method of a tablet computer, the present application provides a non-sensing real-time screen saver encryption method and system for a tablet computer.

[0006] In the first aspect, the above-mentioned invention object of the present application is achieved through the following technical solutions:

[0007] A non-sensing real-time screen saver encryption method for a tablet computer, the non-sensing real-time screen saver encryption method for a tablet computer comprising:

[0008] When the preset standby state identification condition is met, determining the current tablet computer state information;

[0009] Selecting a corresponding screen saver encryption method according to the current tablet computer status information, wherein the screen saver encryption method includes a first-level screen saver encryption method and a second-level screen saver encryption method;

[0010] Encrypting based on the screen saver encryption method to obtain user monitoring information within a preset time period before encryption;

[0011] The user monitoring information is input into a decryption model to generate corresponding decryption information.

[0012] By adopting the above technical solution, the preset standby state identification condition means that when the user's tablet computer is in the standby state for a period of time that meets the preset standby time, at this time, it is determined that the tablet computer has no operation instructions. Therefore, the current status information of the tablet computer is continued to be judged, and then it is determined whether to enter the screen saver state and perform encryption. Multiple judgments make the judgment result of entering the screen saver state more accurate, reducing the probability of entering the screen saver state during actual user operation, thereby improving the user experience. In addition, by using the status information such as the current tablet computer's network environment, it is determined whether the tablet computer's usage environment is safe. After it is determined that the screen saver state has been entered, the corresponding screen saver encryption method is generated based on the judgment of the tablet computer's usage environment. The protection strength of the first-level screen saver encryption method is lower than that of the second-level screen saver encryption method, but the encryption and decryption speed of the first-level screen saver encryption method is faster. The degree is greater than the secondary screen saver encryption method. In this way, the status information of the user's tablet computer is used to generate a corresponding screen saver encryption method suitable for the current user's use of the tablet computer, which ensures the secure encryption of the tablet computer while ensuring senseless encryption and decryption, thereby improving the user's usage experience; user monitoring information refers to the monitoring information of the user's biometric parameters, and the decryption information generated by the user monitoring information corresponds to the user monitoring information, that is, when the tablet computer is senselessly encrypted, in addition to using the key encryption of the encryption algorithm in the screen saver encryption method, the tablet computer's biometric encryption is also used. The combination of the two encryption methods further improves the security of the tablet computer's encryption method, and both methods take into account the user's current status of using the tablet computer, thereby further improving the adaptability of the tablet computer's encryption method.

[0013] In a preferred example, the present application may be further configured as follows: when the preset standby state identification condition is met, determining the current tablet computer state information specifically includes:

[0014] When the preset standby state identification conditions are met, an encryption condition test is performed;

[0015] When the test result of the encryption condition test does not meet the preset pass condition, it is determined that the current tablet computer status information is in an unsafe state;

[0016] When the test result of the encryption condition test meets the preset pass condition, the user operation information and the tablet computer monitoring parameter information are acquired to obtain the current tablet computer status information.

[0017] By adopting the above technical solution, the encryption condition test refers to a test to test whether the current network environment is secure, because the encryption method for the tablet computer includes a method of using a security key encryption algorithm. If the security level of the current network environment is low, then using a security key encryption algorithm with a lower security will greatly reduce the security of the encryption. Therefore, when the test result of the encryption condition test does not meet the preset pass condition, it means that the current network environment is poor, and the current tablet computer status information is judged to be in an unsafe state. Subsequently, the corresponding security key encryption algorithm with the highest security will be selected to ensure the security of the tablet computer's encryption method; in addition, the network speed of the network currently connected to the tablet will also be tested, and the test results of the network speed will be combined with the test results of the network environment security. When the security of the current network environment is poor, the corresponding data uplink and downlink restrictions will be implemented to ensure the security of the data in the tablet computer.

[0018] In a preferred example, the present application may be further configured as follows: generating a corresponding screen saver encryption method according to the current tablet computer status information, specifically including:

[0019] If the current tablet computer status information is an unsafe state, generating a corresponding encryption limit value based on a preset unsafe state threshold and a test result of the encryption condition test;

[0020] Based on the encryption limit value, selecting a corresponding screensaver encryption method;

[0021] If the current tablet computer status information includes the user operation information and the tablet computer monitoring parameter information, a corresponding screen saver encryption method is selected according to the user operation information and the tablet computer monitoring parameter information.

[0022] By adopting the above technical solution, the insecure state threshold refers to the threshold for using each high-security security key encryption algorithm. The higher the insecure state threshold, the higher the security of the corresponding security key encryption algorithm, and the worse the current network environment of the tablet computer represented by the test result of the encryption condition test. Therefore, after selecting the corresponding security key encryption algorithm, based on the specific security level represented by the test result of the encryption condition test, combined with the encryption and decryption time limit of the user's imperceptible experience, the implementation method of the selected security key encryption algorithm is selected again, for example, the key byte length of the security key encryption algorithm is selected, and the encryption and decryption time using the key byte length of the selected security key encryption algorithm does not exceed the preset limit value; and when it is judged that the current network environment is safe, the data involved in the user's current specific operation object will be judged based on the user operation information and the tablet computer monitoring parameter information, and different security key encryption algorithms will be used for different data, thereby ensuring the security and adaptability of the tablet computer's encryption method at the same time.

[0023] In a preferred example, the present application may be further configured as follows: if the current tablet computer status information includes the user operation information and the tablet computer monitoring parameter information, then generating a corresponding screen saver encryption method based on the user operation information and the tablet computer monitoring parameter information, specifically including:

[0024] If the current tablet computer state information includes the user operation information and the tablet computer monitoring parameter information, obtaining user operation inference information according to the tablet computer monitoring parameter information;

[0025] If the user operation inference information corresponds to the user operation information, selecting a corresponding first-level screen saver encryption method according to the tablet computer monitoring parameter information;

[0026] If the user operation inference information does not correspond to the user operation information, a corresponding secondary screen saver encryption method is selected according to the user operation information.

[0027] By adopting the above technical solution, if the current tablet computer status information includes user operation information and tablet computer monitoring parameter information, it means that the current tablet computer status information is in a safe state, that is, the current tablet computer network environment is safe. Then, the type of operation performed by the user is inferred through the data involved in the user operation represented by the tablet computer monitoring parameter information, for example, whether it is a transaction operation, etc. If the user operation inference information corresponds to the object of the user operation represented by the user operation information, it means that the inference is correct, the user operation status is normal, and the probability of the tablet computer being operated by malicious software or having a malicious virus in the tablet computer is low. At this time, the focus is on ensuring the user's senseless encryption experience. The first-level screen saver encryption method used is less secure than the second-level screen saver encryption method, but the encryption and decryption speed is faster than the second-level screen saver encryption method; if the user operation inference information does not correspond to the user operation information, it means that the current tablet computer network environment is at risk. Then, according to the importance of the system data involved in the user operation information, different security key encryption algorithms with higher security levels are used to improve the security and adaptability of the tablet computer's encryption method.

[0028] In a preferred example, the present application may be further configured as follows: performing encryption based on the screen saver encryption method and obtaining user monitoring information within a preset time period before encryption specifically includes:

[0029] Encrypting based on the screen saver encryption method, if the screen saver encryption method is a first-level screen saver encryption method, obtaining first-level user monitoring information within a preset time period before encryption, the first-level user monitoring information including gyroscope detection information;

[0030] If the screen saver encryption method is a secondary screen saver encryption method, obtaining secondary user monitoring information within a preset time period before encryption, the secondary user monitoring information including user biometric information and gyroscope detection information;

[0031] The user monitoring information includes primary user monitoring information and secondary user monitoring information.

[0032] By adopting the above technical solution, in the first-level encryption method, since the current network environment of the tablet computer is judged to be highly secure at this time, it is judged from the software and network security that the user is actually operating the tablet computer. Therefore, in order to improve the seamless experience of the encryption and decryption methods and to judge from the hardware whether the user is actually operating the tablet computer, gyroscope detection information within a preset time period before encryption is obtained, and the gyroscope detection information of the gyroscope hardware in the tablet computer is used to judge whether the user is actually using the tablet computer. In the second-level encryption method, the current network environment of the tablet computer is judged to be less secure at this time, and it cannot be judged that the user is actually operating the tablet computer. Therefore, by combining the user's biometric information and the gyroscope detection information, multiple hardware with user identity authentication functions of the tablet computer are used to judge whether the user is currently actually operating the tablet computer and to judge the user's identity. In this way, the security of the tablet computer's encryption method is further improved through information on the network environment, software security, and hardware.

[0033] In a preferred example, the present application may be further configured as follows: inputting the user monitoring information into a decryption model to generate corresponding decryption information specifically includes:

[0034] inputting the user monitoring information into a decryption model;

[0035] According to the gyroscope detection information, obtaining corresponding decrypted gyroscope detection condition information;

[0036] Generate corresponding decrypted biometric identification condition information based on the user's biometric information;

[0037] The decrypted information includes decrypted gyroscope detection condition information and decrypted biometric identification condition information.

[0038] By adopting the above technical solution, gyroscope detection information is included in both the primary user monitoring information and the secondary user monitoring information. The method of determining the identity of the user through the gyroscope detection information is as follows: based on information such as the posture and direction of the tablet computer before the tablet computer enters the screen saver state as indicated by the gyroscope detection information, information such as the posture and direction of the tablet computer indicated by the generated decrypted gyroscope detection condition information should be consistent with the gyroscope detection information. The motion trajectory of the tablet computer before entering the screen saver state is determined through the gyroscope detection information, and the motion trajectory of the tablet computer indicated by the generated decrypted gyroscope detection condition information should be consistent with the gyroscope detection information. In this way, the security of hardware encryption and decryption is guaranteed.

[0039] Secondly, the above-mentioned invention objectives of this application are achieved through the following technical solutions:

[0040] A non-sensing real-time screen saver encryption system for a tablet computer, the non-sensing real-time screen saver encryption system for a tablet computer comprising:

[0041] A tablet computer status information determination module is used to determine the current tablet computer status information when a preset standby state identification condition is met;

[0042] A screen saver encryption method selection module, configured to select a corresponding screen saver encryption method according to the current tablet computer status information, wherein the screen saver encryption method includes a first-level screen saver encryption method and a second-level screen saver encryption method;

[0043] A user monitoring information acquisition module, configured to encrypt based on the screen saver encryption method and acquire user monitoring information within a preset time period before encryption;

[0044] The decryption information generation module is used to input the user monitoring information into the decryption model to generate corresponding decryption information.

[0045] Optionally, the tablet computer status information determination module includes:

[0046] The encryption condition test submodule is used to perform an encryption condition test when a preset standby state identification condition is met;

[0047] An unsafe state judgment submodule, configured to judge that the current tablet computer state information is in an unsafe state when the test result of the encryption condition test does not meet a preset pass condition;

[0048] The tablet computer status information acquisition module is used to acquire user operation information and tablet computer monitoring parameter information to obtain current tablet computer status information when the test result of the encryption condition test meets the preset pass condition.

[0049] Thirdly, the above-mentioned invention objectives of this application are achieved through the following technical solutions:

[0050] A computer device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of the above-mentioned non-sensing real-time screen saver encryption method applied to a tablet computer are implemented.

[0051] Fourthly, the above-mentioned invention objectives of this application are achieved through the following technical solutions:

[0052] A computer-readable storage medium stores a computer program, which, when executed by a processor, implements the steps of the above-mentioned non-sensing real-time screen saver encryption method applied to a tablet computer.

[0053] In summary, this application includes at least one of the following beneficial technical effects:

[0054] 1. Multiple judgments make the screen saver state judgment more accurate, reducing the probability of entering the screen saver state during actual user operations, thereby improving the user experience. By generating a corresponding screen saver encryption method suitable for the current user's tablet usage based on the user's tablet status information, it ensures secure encryption of the tablet while ensuring seamless encryption and decryption, thereby improving the user experience. The combination of the two encryption methods further improves the security of the tablet's encryption method, and both methods take into account the user's current tablet usage status, further improving the adaptability of the tablet's encryption method.

[0055] 2. If the tablet's current status is determined to be unsafe, the highest security key encryption algorithm will be selected to ensure the security of the tablet's encryption method. Furthermore, the speed of the network to which the tablet is currently connected will be tested. The speed test results will be combined with the network security test results. If the current network security is poor, data uplink and downlink restrictions will be implemented to ensure data security on the tablet.

[0056] 3. Use different security key encryption algorithms for different data to ensure the security and adaptability of the tablet's encryption method. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] Figure 1 This is a flowchart of an implementation of a non-sensing real-time screen saver encryption method applied to a tablet computer in an embodiment of the present application;

[0058] Figure 2This is a flowchart for implementing S10 of the non-sensing real-time screen saver encryption method applied to a tablet computer in an embodiment of the present application;

[0059] Figure 3 This is a flowchart for implementing S20 of the non-sensing real-time screen saver encryption method applied to a tablet computer in an embodiment of the present application;

[0060] Figure 4 This is a flowchart for implementing S23 of the non-sensing real-time screen saver encryption method applied to a tablet computer in an embodiment of the present application;

[0061] Figure 5 This is a flowchart for implementing S30 of the non-sensing real-time screen saver encryption method applied to a tablet computer in an embodiment of the present application;

[0062] Figure 6 This is a flowchart for implementing S40 of the non-sensing real-time screen saver encryption method applied to a tablet computer in an embodiment of the present application;

[0063] Figure 7 This is a principle block diagram of a non-sensing real-time screen saver encryption system applied to a tablet computer in an embodiment of the present application;

[0064] Figure 8 This is a diagram of the internal structure of a computer device for realizing a seamless real-time screensaver encryption for a tablet computer according to an embodiment of the present application. DETAILED DESCRIPTION

[0065] The following is combined with Figure 1-8 This application is described in further detail.

[0066] In one embodiment, if Figure 1 As shown, the present application discloses a non-sensing real-time screen saver encryption method for a tablet computer, which specifically includes the following steps:

[0067] S10: When the preset standby state recognition condition is met, the current tablet computer state information is determined.

[0068] In this embodiment, the standby state identification condition refers to condition information for determining the duration of the tablet computer being in the standby state. The current tablet computer state information refers to the current usage state information of the tablet computer.

[0069] Specifically, during the use of the tablet computer, the tablet computer's usage status will be detected in real time to determine whether the tablet computer has entered the standby state, that is, the state when no operation command is input. When it is determined that the tablet computer has entered the standby state, the length of time the tablet computer has entered the standby state is counted. When the length of time the tablet computer has entered the standby state reaches the preset screen saver state entry length, that is, when the preset standby state recognition condition is met, the tablet computer will automatically enter the screen saver state. In addition, when the user actively triggers the screen saver state, it is also deemed that the preset standby state recognition condition is met. At this time, the usage status of the tablet computer is determined, that is, the current tablet computer status information, for example, whether the background program running on the tablet computer is downloading data, the type of background program running on the tablet computer, the overall posture of the tablet computer, and whether the tablet computer is connected to the peripheral communication interface and other information.

[0070] S20: Selecting a corresponding screen saver encryption method according to the current tablet computer status information. The screen saver encryption method includes a first-level screen saver encryption method and a second-level screen saver encryption method.

[0071] In this embodiment, the screensaver encryption method refers to an encryption method performed at the software level of the tablet computer. The first-level screensaver encryption method refers to a screensaver encryption method with a security level of one. The second-level screensaver encryption method refers to a screensaver encryption method with a security level of two.

[0072] Specifically, based on the current tablet computer status information, the security protection level currently required by the user and the level of imperceptible experience provided to the user are determined (imperceptible experience means that the user can hardly feel the encryption and decryption process when using the tablet computer. Therefore, the faster the encryption and decryption speed of the tablet computer, the higher the user's imperceptible experience level). For example, if it is determined based on the current tablet computer status information that the background program running on the tablet computer is downloading data, if so, the data downloaded by the user should be encrypted to prevent the information of the user's downloaded data from being spied on; if it is determined that the type of background program running on the tablet computer is a financial or social program, the data of such program should be encrypted to protect the user's privacy and monetary security; if it is determined that the overall posture of the tablet computer is poor, the data of the background program running on ... If the state is relatively stable, it is judged that the user has temporarily stopped using the tablet computer and is about to use the tablet computer again. Therefore, a high level of imperceptible experience level needs to be guaranteed to ensure the user's imperceptible experience; if it is judged that the tablet computer is connected to the peripheral communication interface, the data communication protocol of the peripheral data interface should be encrypted to enhance the security of the connection between the tablet computer and the peripheral communication interface, etc. In this way, according to the security protection level currently required by the user and the imperceptible experience level provided to the user, the corresponding encryption method at the software level of the tablet computer is selected, that is, the screen saver encryption method. If the security protection level is higher, the corresponding secondary screen saver encryption method is selected. If a higher level of imperceptible experience needs to be provided to the user, the first-level screen saver encryption method is selected. In this embodiment, the imperceptible experience level of the first-level screen saver encryption method is higher than that of the second-level screen saver encryption method, and the security protection level of the second-level screen saver encryption method is higher than that of the first-level screen saver encryption method.

[0073] S30: Encrypt based on the screen saver encryption method to obtain user monitoring information within a preset time period before encryption.

[0074] In this embodiment, the user monitoring information refers to the detected biometric identification information of the user.

[0075] Specifically, a screensaver encryption method based on software-level encryption on the tablet encrypts the corresponding data on the tablet. However, if the tablet contains malicious eavesdropping software or viruses, this software-level screensaver encryption method may not guarantee the security of the user's tablet. Therefore, when using the screensaver encryption method for encryption, biometric identification information of the user, i.e., user monitoring information, is obtained during a preset time period before the screensaver encryption method is used. In this embodiment, the length of the preset time period can be set arbitrarily based on the tablet's memory size or data processing performance, for example, 5 seconds, 10 seconds, 15 seconds, 30 seconds, or 1 minute.

[0076] S40: Input the user monitoring information into the decryption model to generate corresponding decryption information.

[0077] In this embodiment, the decryption information refers to information corresponding to the user monitoring information and used to decrypt the tablet computer at the hardware level.

[0078] Specifically, the user monitoring information is input into the decryption model. In the decryption model, the user monitoring information is analyzed to determine whether the user's biometric identification information is correct, and the characteristics of the current user's biometric identification information are determined through the biometric identification information. According to the characteristics of the user's biometric identification information, corresponding information for decrypting the tablet computer at the hardware level, that is, decryption information, is generated. For example, if the biometric represented by the biometric identification information is heart rate, the user's average heart rate and peak heart rate and other information are analyzed, and then according to the preset gradient time, information is generated to determine whether the user identity is correct and to decrypt the tablet computer at the hardware level when the user uses the tablet computer again after different time periods, that is, when the user uses the tablet computer again after an interval of 1 minute, 5 minutes or 10 minutes. The corresponding decryption information is different. When the user uses the tablet computer after 1 minute, if the detected user heart rate is consistent with the decryption information corresponding to 1 minute, the tablet computer will be decrypted at the hardware level. If the detected user heart rate is inconsistent with the decryption information corresponding to 1 minute, the tablet computer will be locked at the hardware level. The user can only decrypt the tablet computer at the hardware level by entering a pre-set password; or if the biometric feature represented by the biometric identification information is face recognition information, the characteristics of the user's current facial features are analyzed, such as the proportion of the user's face image that is blocked and the three-dimensional degree of the user's face image, etc., to generate information for judging that the user's identity is correct and decrypting the tablet computer at the hardware level when the user uses the tablet computer again after different time periods.

[0079] It should be noted that after inputting user monitoring information into the decryption model, the tablet computer will be encrypted at the hardware level, while the screen saver encryption method will encrypt the tablet computer at the software level. Therefore, the tablet computer will have encryption at both the software and hardware levels.

[0080] In one embodiment, if Figure 2 As shown, in step S10, when the preset standby state identification condition is met, the current tablet computer state information is determined, specifically including:

[0081] S11: When the preset standby state identification conditions are met, an encryption condition test is performed.

[0082] In this embodiment, the encryption condition test refers to a test for determining the encryption level of the tablet computer.

[0083] Specifically, when the tablet computer enters standby mode for a predetermined screen saver duration, i.e., when a predetermined standby state identification condition is met, the tablet computer is tested to determine whether it is capable of encryption, i.e., an encryption condition test. In this embodiment, the encryption condition test includes a network environment security test and a network speed test.

[0084] S12: When the test result of the encryption condition test does not meet the preset pass condition, it is determined that the current tablet computer status information is in an unsafe state.

[0085] Specifically, the preset passing condition refers to the condition for judging whether the tablet computer can guarantee the user's seamless experience level, that is, the condition for judging whether a security key encryption algorithm with faster encryption and decryption speed can be used. The corresponding network environment security test has a corresponding passing condition. Therefore, when the test result of the network environment security test in the encryption condition test indicates that the security level of the current network environment is low and cannot meet the preset passing condition corresponding to the network environment security test, the use of a security key encryption algorithm with lower security will greatly reduce the security of the encryption. Therefore, the current tablet computer status information is judged to be in an unsafe state; in addition, the network speed tested by the test result of the network speed test in the encryption condition test is associated with the current tablet computer status information.

[0086] S13: When the test result of the encryption condition test meets the preset pass condition, the user operation information and the tablet computer monitoring parameter information are obtained to obtain the current tablet computer status information.

[0087] In this embodiment, the user operation information refers to information used to represent the user's operation on the tablet computer. The tablet computer monitoring parameter information refers to the status information of the monitored tablet computer.

[0088] Specifically, when the test result of the network environment security test in the encryption condition test indicates that the current network environment has a high level of security and meets the preset pass conditions corresponding to the network environment security test, a less secure security key encryption algorithm can be used at this time to improve the user's seamless experience level. Therefore, information representing the user's operation on the tablet computer before the tablet computer enters the screen saver state, that is, user operation information, and status information of the monitored tablet computer, that is, tablet computer monitoring parameter information, are obtained.

[0089] In one embodiment, if Figure 3 As shown, in step S20, according to the current tablet computer status information, a corresponding screen saver encryption method is selected, specifically including:

[0090] S21: If the current tablet computer status information is an unsafe status, a corresponding encryption limit value is generated based on a preset unsafe status threshold and a test result of an encryption condition test.

[0091] In this embodiment, the encryption restriction value refers to a value for selecting an implementation of a security key encryption algorithm to be used.

[0092] Specifically, after obtaining the current tablet computer status information, the current tablet computer status information is identified. If the current tablet computer status information includes an unsafe status, it indicates that the current network environment is unsafe. Then, based on a preset unsafe status threshold (the unsafe status threshold refers to the threshold for using each high-security security key encryption algorithm. The higher the unsafe status threshold, the higher the security of the corresponding security key encryption algorithm, and the worse the network environment of the current tablet computer indicated by the test result of the encryption condition test) and the test result of the encryption condition test, a corresponding security key encryption algorithm is selected from several established security key encryption algorithms for the tablet computer. Based on the specific security level indicated by the test result of the encryption condition test and the preset encryption and decryption time limit for ensuring a seamless user experience (i.e., the maximum threshold for the encryption and decryption time in order to ensure a seamless user experience), an implementation method of the selected security key encryption algorithm is selected again. For example, the key byte length of the security key encryption algorithm is selected, and the encryption and decryption time using the key byte length of the selected security key encryption algorithm does not exceed the preset limit value. For example, the selected secure key encryption algorithm is AES (Advanced Encryption Standard). AES offers key lengths of 128, 192, or 256 bits. Different key lengths provide different security protection levels, and each key length corresponds to a preset encryption and decryption duration. Therefore, a key length is selected based on the specific security level indicated by the encryption condition test results. The preset encryption and decryption durations corresponding to the selected key length are then compared with the encryption and decryption duration limit. If the preset encryption and decryption durations corresponding to the selected key length are less than the encryption and decryption duration limit, the selected key length is used as the encryption limit. In this embodiment, the secure key encryption algorithms include AES, RSA (Rivest Shamir Adleman, an asymmetric encryption algorithm), ECC (Elliptic Curve Cryptography, an elliptic curve cryptography algorithm), and Blowfish (a symmetric key block cipher). Blowfish and ECC can be selected as the first-level screensaver encryption methods, while AES and RSA can be selected as the second-level screensaver encryption methods.

[0093] S22: Based on the encryption limit value, select a corresponding screen saver encryption method.

[0094] Specifically, based on the security key encryption algorithm represented by the encryption limit value and the implementation method of the security key encryption algorithm, a corresponding screen saver encryption method is selected.

[0095] S23: If the current tablet computer status information includes user operation information and tablet computer monitoring parameter information, a corresponding screen saver encryption method is selected according to the user operation information and the tablet computer monitoring parameter information.

[0096] Specifically, if the current tablet computer status information does not include an unsafe status, but includes user operation information and tablet computer monitoring parameter information, it means that the current network environment is safe. At this time, the focus is on ensuring the user's seamless experience. Therefore, based on the user operation information and tablet computer monitoring parameter information, the user's operation on the tablet computer before the tablet computer enters the screen saver state and the data corresponding to the user operation are judged. Different encryption methods can be used for different data. For example, if based on the user operation information and tablet computer monitoring parameter information, it is judged that the user uses social software before the tablet computer enters the screen saver state, and the privacy level of social software is relatively high, the security of social software should be guaranteed. Therefore, a security key encryption algorithm with a higher security level is selected for the data corresponding to the social software.

[0097] In one embodiment, if Figure 4 As shown, in step S23, if the current tablet computer status information includes user operation information and tablet computer monitoring parameter information, then a corresponding screen saver encryption method is selected according to the user operation information and the tablet computer monitoring parameter information, specifically including:

[0098] S231: If the current tablet computer status information includes user operation information and tablet computer monitoring parameter information, obtain user operation inference information according to the tablet computer monitoring parameter information.

[0099] In this embodiment, the user operation inference information refers to the inferred type of user operation on the tablet computer.

[0100] Specifically, if the current tablet computer status information does not include an unsafe status, but includes user operation information and tablet computer monitoring parameter information, it means that the current network environment is safe. Then, based on the data involved in the user operation represented by the tablet computer monitoring parameter information, the type of operation performed by the user is inferred, that is, the user operation inference information. For example, if the tablet computer monitoring parameter information indicates that the user calls financial software or payment software, then it is inferred that the type of operation performed by the user is a transaction operation.

[0101] S232: If the user operation inference information corresponds to the user operation information, a corresponding first-level screen saver encryption method is selected according to the tablet computer monitoring parameter information.

[0102] Specifically, if the type of user operation on the tablet computer indicated by the user operation inference information corresponds to the type of user operation on the tablet computer indicated by the user operation information, then it is determined that the user actually performed the type of operation indicated by the user operation inference information, the user operation status is normal, and the probability that the tablet computer is operated by malware or that there is a malicious virus in the tablet computer is low. At this time, the focus is on ensuring the user's seamless encryption experience. Therefore, based on the data involved in the user operation indicated by the tablet computer monitoring parameter information, the data involved is selected according to the importance of the first-level screen saver encryption method with the corresponding security level. For example, data involving user privacy, user property safety and user personal information, the importance is from high to low, in the order of user property safety, user privacy to user personal information. Blowfish can be used for data corresponding to user property safety and user privacy, and ECC can be used for data corresponding to user personal information.

[0103] S233: If the user operation inference information does not correspond to the user operation information, a corresponding secondary screen saver encryption method is selected according to the user operation information.

[0104] Specifically, if the user operation speculation information does not correspond to the user operation information, it means that there is a risk in the current network environment of the tablet computer. Then, according to the importance of the system data involved in the user operation information (because the data range contained in the user operation information is larger than the data contained in the tablet computer monitoring parameter information, therefore, when it is judged that there is a risk in the current network environment of the tablet computer, a higher level of security protection is performed on the larger data range contained in the user operation information), a different secondary screen saver encryption method with a higher security level is used. For example, data involving user privacy, user property safety and user personal information, the importance is from high to low, in the order of user property safety, user privacy to user personal information. AES can be used for data corresponding to user property safety and user privacy, and RSA can be used for data corresponding to user personal information.

[0105] In one embodiment, if Figure 5 As shown, in step S30, the user monitoring information includes the primary user monitoring information and the secondary user monitoring information, which are encrypted based on the screen saver encryption method, and the user monitoring information within the preset time period before encryption is obtained, specifically including:

[0106] S31: Encrypt based on the screen saver encryption method. If the screen saver encryption method is a first-level screen saver encryption method, obtain first-level user monitoring information within a preset time period before encryption, where the first-level user monitoring information includes gyroscope detection information.

[0107] In this embodiment, the first-level user monitoring information refers to the user monitoring information corresponding to the first-level screen saver encryption method. The gyroscope detection information refers to the detection information of the gyroscope hardware in the tablet computer.

[0108] Specifically, in the first-level encryption method, since the tablet's current network environment is judged to be highly secure, the user is determined to be operating the tablet from the perspective of software and network security. Therefore, to enhance the seamless experience of encryption and decryption and to determine whether the user is actually operating the tablet from the perspective of hardware, user monitoring information corresponding to the first-level screensaver encryption method within a preset time period before encryption, i.e., first-level user monitoring information, is obtained. In this embodiment, the first-level user monitoring information includes detection information of the tablet's gyroscope hardware, i.e., gyroscope detection information.

[0109] S32: If the screen saver encryption method is a secondary screen saver encryption method, obtain secondary user monitoring information within a preset time period before encryption, where the secondary user monitoring information includes user biometric information and gyroscope detection information.

[0110] In this embodiment, the secondary user monitoring information refers to the user monitoring information corresponding to the secondary screen saver encryption method. The user biometric information refers to the detection information of the biometric recognition hardware in the tablet computer.

[0111] Specifically, in the secondary encryption method, the tablet's current network environment is judged to be less secure, making it impossible to determine whether a user is actually operating the tablet. Therefore, to improve the security of the encryption and decryption methods and determine whether a user is actually operating the tablet, user monitoring information corresponding to the secondary screensaver encryption method within a preset time period before encryption, i.e., secondary user monitoring information, is obtained. In this embodiment, the secondary user monitoring information includes gyroscope detection information and user biometric information, i.e., detection information from the tablet's biometric recognition hardware.

[0112] In one embodiment, if Figure 6 As shown, in step S40, the decrypted information includes decrypted gyroscope detection condition information and decrypted biometric identification condition information. The user monitoring information is input into the decryption model to generate corresponding decrypted information, which specifically includes:

[0113] S41: Inputting user monitoring information into the decryption model.

[0114] Specifically, user monitoring information is input into the decryption model.

[0115] S42: Obtain corresponding decrypted gyroscope detection condition information according to the gyroscope detection information.

[0116] In this embodiment, the decrypted gyroscope detection condition information refers to information for decryption corresponding to the gyroscope detection information.

[0117] Specifically, the gyroscope detection information is analyzed to obtain the posture and direction information of the tablet computer before the user enters the screen saver state, as well as the motion trajectory of the tablet computer before entering the screen saver state, represented by the gyroscope detection information. Based on the posture and direction information of the tablet computer before the user enters the screen saver state, as well as the motion trajectory of the tablet computer before entering the screen saver state, corresponding information for decrypting the corresponding gyroscope detection information is generated, i.e., decrypted gyroscope detection condition information. The deviation range between the posture and direction information of the tablet computer represented by the decrypted gyroscope detection condition information and the posture and direction information of the tablet computer represented by the gyroscope detection information is within a preset user motion amplitude deviation value, and the deviation range between the motion trajectory of the tablet computer represented by the decrypted gyroscope detection condition information and the gyroscope detection information is within a preset user motion amplitude deviation value.

[0118] S43: Generate corresponding decryption biometric identification condition information based on the user's biometric information.

[0119] In this embodiment, the decrypted biometric feature identification condition information refers to information corresponding to the user's biometric feature information and used for decryption.

[0120] Specifically, the user's biometric information is analyzed to obtain the characteristics of the user's biometric data represented by the user's biometric information before the tablet computer enters the screen saver state. For example, if the biometric represented by the biometric identification information is heart rate, the user's average heart rate and peak heart rate and other information are analyzed, and then, based on the preset gradient time, information is generated to determine whether the user's identity is correct and to decrypt the tablet computer at the hardware level when the user uses the tablet computer again after different time periods, namely, decrypted biometric identification condition information. The decrypted biometric identification condition information is used to indicate that the corresponding decryption information is different when the user uses the tablet computer again after an interval of 1 minute, 5 minutes or 10 minutes, that is, when the user uses the tablet computer again after 1 minute, 5 minutes or 10 minutes, the decryption information is different. When using a tablet computer, if the detected user heart rate is consistent with the decryption information corresponding to 1 minute, the tablet computer will be decrypted at the hardware level. If the detected user heart rate is inconsistent with the decryption information corresponding to 1 minute, the tablet computer will be locked at the hardware level. The user can only decrypt the tablet computer at the hardware level by entering a pre-set password; or if the biometric feature represented by the biometric identification information is facial recognition information, the characteristics of the user's current facial features are analyzed, such as the proportion of the user's facial image that is blocked, the three-dimensional degree of the user's facial image, etc., and the generated decrypted biometric identification condition information is partially consistent with the characteristics of the facial recognition information in the user's biometric information.

[0121] It should be understood that the size of the serial numbers of the steps in the above embodiments does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application.

[0122] In one embodiment, a non-sensing real-time screen saver encryption system for tablet computers is provided. The non-sensing real-time screen saver encryption system for tablet computers corresponds to the non-sensing real-time screen saver encryption method for tablet computers in the above embodiment. Figure 7 As shown, the non-sensing real-time screen saver encryption system for tablet computers includes a tablet computer status information determination module, a screen saver encryption method selection module, a user monitoring information acquisition module, and a decryption information generation module. The functional modules are described in detail as follows:

[0123] A tablet computer status information determination module is used to determine the current tablet computer status information when a preset standby state identification condition is met;

[0124] A screen saver encryption method selection module is used to select a corresponding screen saver encryption method according to the current tablet computer status information. The screen saver encryption method includes a first-level screen saver encryption method and a second-level screen saver encryption method;

[0125] A user monitoring information acquisition module is used to encrypt based on the screen saver encryption method and obtain user monitoring information within a preset time period before encryption;

[0126] The decryption information generation module is used to input user monitoring information into the decryption model to generate corresponding decryption information.

[0127] Optionally, the tablet computer status information determination module includes:

[0128] The encryption condition test submodule is used to perform an encryption condition test when a preset standby state identification condition is met;

[0129] An unsafe state judgment submodule, configured to judge that the current tablet computer state information is in an unsafe state when the test result of the encryption condition test does not meet a preset pass condition;

[0130] The tablet computer status information acquisition submodule is used to obtain user operation information and tablet computer monitoring parameter information to obtain current tablet computer status information when the test result of the encryption condition test meets the preset pass condition.

[0131] Type, the screen saver encryption method selection module includes:

[0132] An encryption limit value generating submodule is used to generate a corresponding encryption limit value based on a preset unsafe state threshold and a test result of an encryption condition test if the current tablet computer state information is an unsafe state;

[0133] A first screensaver encryption method selection submodule is used to select a corresponding screensaver encryption method based on the encryption limit value;

[0134] The second screen saver encryption method selection submodule is configured to select a corresponding screen saver encryption method according to the user operation information and the tablet computer monitoring parameter information if the current tablet computer status information includes user operation information and the tablet computer monitoring parameter information.

[0135] Optionally, the second screen saver encryption method selection submodule includes:

[0136] a user operation inference information acquisition unit, configured to acquire user operation inference information based on the tablet computer monitoring parameter information if the current tablet computer status information includes user operation information and tablet computer monitoring parameter information;

[0137] a first-level screen saver encryption method selection unit, configured to select a corresponding first-level screen saver encryption method according to the tablet computer monitoring parameter information if the user operation inference information corresponds to the user operation information;

[0138] The secondary screen saver encryption method selection unit is used to select a corresponding secondary screen saver encryption method according to the user operation information if the user operation inference information does not correspond to the user operation information.

[0139] Optionally, the user monitoring information includes primary user monitoring information and secondary user monitoring information, and the user monitoring information acquisition module includes:

[0140] A first-level user monitoring information acquisition submodule is used to encrypt based on the screen saver encryption method. If the screen saver encryption method is the first-level screen saver encryption method, the first-level user monitoring information within a preset time period before encryption is acquired. The first-level user monitoring information includes gyroscope detection information;

[0141] The secondary user monitoring information acquisition submodule is used to obtain secondary user monitoring information within a preset time period before encryption if the screen saver encryption method is the secondary screen saver encryption method. The secondary user monitoring information includes user biometric information and gyroscope detection information.

[0142] Optionally, the decrypted information includes decrypted gyroscope detection condition information and decrypted biometric identification condition information, and the decrypted information generation module includes:

[0143] A decryption model updating submodule is used to input user monitoring information into the decryption model;

[0144] The decrypted gyroscope detection condition information acquisition submodule is used to obtain the corresponding decrypted gyroscope detection condition information according to the gyroscope detection information;

[0145] The decrypted biometric identification condition information generation submodule is used to generate corresponding decrypted biometric identification condition information based on the user's biometric information.

[0146] For the specific limitations of the non-sensing real-time screensaver encryption system applied to tablet computers, please refer to the limitations of the non-sensing real-time screensaver encryption method applied to tablet computers above, which will not be repeated here. The various modules in the above-mentioned non-sensing real-time screensaver encryption system applied to tablet computers can be implemented in whole or in part by software, hardware, and a combination thereof. The above-mentioned modules can be embedded in or independent of the processor in the computer device in the form of hardware, or can be stored in the memory of the computer device in the form of software, so that the processor can call and execute the operations corresponding to the above modules.

[0147] In one embodiment, a computer device is provided. The computer device may be a server, and its internal structure diagram may be as follows: Figure 8 As shown. The computer device includes a processor, a memory, a network interface and a database connected via a system bus. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store current tablet computer status information, screen saver encryption method, user monitoring information and decryption information, etc. The network interface of the computer device is used to communicate with an external terminal via a network connection. When the computer program is executed by the processor, a non-sense real-time screen saver encryption method applied to a tablet computer is implemented.

[0148] In one embodiment, a computer device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the following steps are performed:

[0149] When the preset standby state identification condition is met, determining the current tablet computer state information;

[0150] Select a corresponding screen saver encryption method according to the current tablet computer status information. The screen saver encryption method includes a first-level screen saver encryption method and a second-level screen saver encryption method.

[0151] Encrypt based on the screen saver encryption method to obtain user monitoring information within a preset time period before encryption;

[0152] Input user monitoring information into the decryption model to generate corresponding decrypted information.

[0153] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the following steps are implemented:

[0154] When the preset standby state identification condition is met, determining the current tablet computer state information;

[0155] Select a corresponding screen saver encryption method according to the current tablet computer status information. The screen saver encryption method includes a first-level screen saver encryption method and a second-level screen saver encryption method.

[0156] Encrypt based on the screen saver encryption method to obtain user monitoring information within a preset time period before encryption;

[0157] Input user monitoring information into the decryption model to generate corresponding decrypted information.

[0158] Those skilled in the art will understand that all or part of the processes in the above-mentioned embodiments can be implemented by instructing the relevant hardware through a computer program. The computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in many forms such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

[0159] Those skilled in the art will clearly understand that for the sake of convenience and brevity in description, only the division of the above-mentioned functional units and modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional units and modules as needed, that is, the internal structure of the system can be divided into different functional units or modules to complete all or part of the functions described above.

[0160] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present application, and should all be included in the scope of protection of the present application.

Claims

1. A non-sensing real-time screen saver encryption method for tablet computers, characterized in that: The non-sensing real-time screen saver encryption method applied to a tablet computer includes: When the preset standby state identification condition is met, determining the current tablet computer state information; Selecting a corresponding screen saver encryption method according to the current tablet computer status information, wherein the screen saver encryption method is to encrypt the tablet computer at the software level, and the screen saver encryption method includes a first-level screen saver encryption method and a second-level screen saver encryption method; If the current tablet computer state information includes user operation information and tablet computer monitoring parameter information, obtaining user operation inference information based on the tablet computer monitoring parameter information; If the user operation inference information corresponds to the user operation information, selecting a corresponding first-level screen saver encryption method according to the tablet computer monitoring parameter information; If the user operation inference information does not correspond to the user operation information, selecting a corresponding secondary screen saver encryption method according to the user operation information; Encrypting based on the screen saver encryption method, if the screen saver encryption method is a first-level screen saver encryption method, obtaining first-level user monitoring information within a preset time period before encryption; if the screen saver encryption method is a second-level screen saver encryption method, obtaining second-level user monitoring information within a preset time period before encryption; The user monitoring information is input into the decryption model to generate corresponding decryption information. After the user monitoring information is input into the decryption model, the tablet computer will be encrypted at the hardware level.

2. The method for encrypting a screen saver applied to a tablet computer according to claim 1, characterized in that: When the preset standby state identification condition is met, determining the current tablet computer state information specifically includes: When the preset standby state identification conditions are met, an encryption condition test is performed; When the test result of the encryption condition test does not meet the preset pass condition, it is determined that the current tablet computer status information is in an unsafe state; When the test result of the encryption condition test meets the preset pass condition, the user operation information and the tablet computer monitoring parameter information are acquired to obtain the current tablet computer status information.

3. The method for encrypting a screen saver applied to a tablet computer according to claim 2, characterized in that: The selecting a corresponding screen saver encryption method according to the current tablet computer status information specifically includes: If the current tablet computer status information is an unsafe state, generating a corresponding encryption limit value based on a preset unsafe state threshold and a test result of the encryption condition test; Based on the encryption limit value, selecting a corresponding screensaver encryption method; If the current tablet computer status information includes the user operation information and the tablet computer monitoring parameter information, a corresponding screen saver encryption method is selected according to the user operation information and the tablet computer monitoring parameter information.

4. The method for realizing a non-sensing real-time screen saver encryption for a tablet computer according to claim 1, wherein: The first-level user monitoring information includes gyroscope detection information; The secondary user monitoring information includes user biometric information and gyroscope detection information.

5. The method for encrypting a screen saver applied to a tablet computer according to claim 4, characterized in that: Inputting the user monitoring information into the decryption model to generate corresponding decrypted information specifically includes: Inputting user monitoring information into the decryption model; According to the gyroscope detection information, obtaining corresponding decrypted gyroscope detection condition information; Generate corresponding decrypted biometric identification condition information based on the user's biometric information; The decrypted information includes decrypted gyroscope detection condition information and decrypted biometric identification condition information.

6. A non-sensing real-time screen saver encryption system for tablet computers, characterized in that: The non-sensing real-time screen saver encryption system applied to a tablet computer includes: A tablet computer status information determination module is used to determine the current tablet computer status information when a preset standby state identification condition is met; A screen saver encryption method selection module, configured to select a corresponding screen saver encryption method based on the current tablet computer status information, wherein the screen saver encryption method is software-level encryption for the tablet computer and includes a primary screen saver encryption method and a secondary screen saver encryption method; If the current tablet computer state information includes user operation information and tablet computer monitoring parameter information, obtaining user operation inference information based on the tablet computer monitoring parameter information; If the user operation inference information corresponds to the user operation information, selecting a corresponding first-level screen saver encryption method according to the tablet computer monitoring parameter information; If the user operation inference information does not correspond to the user operation information, selecting a corresponding secondary screen saver encryption method according to the user operation information; a user monitoring information acquisition module, configured to perform encryption based on the screen saver encryption method, and if the screen saver encryption method is a first-level screen saver encryption method, acquire first-level user monitoring information within a preset time period before encryption; and if the screen saver encryption method is a second-level screen saver encryption method, acquire second-level user monitoring information within a preset time period before encryption; The decryption information generation module is used to input the user monitoring information into the decryption model to generate corresponding decryption information. After the user monitoring information is input into the decryption model, the tablet computer will be encrypted at the hardware level.

7. The non-sensing real-time screen saver encryption system for tablet computers according to claim 6, characterized in that: The tablet computer status information determination module includes: The encryption condition test submodule is used to perform an encryption condition test when a preset standby state identification condition is met; An unsafe state judgment submodule, configured to judge that the current tablet computer state information is in an unsafe state when the test result of the encryption condition test does not meet a preset pass condition; The tablet computer status information acquisition module is used to acquire user operation information and tablet computer monitoring parameter information to obtain current tablet computer status information when the test result of the encryption condition test meets the preset pass condition.

8. A computer device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the computer program, the steps of the non-sensing real-time screen saver encryption method applied to a tablet computer as claimed in any one of claims 1 to 5 are implemented.

9. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the steps of the non-sensing real-time screen saver encryption method applied to a tablet computer as claimed in any one of claims 1 to 5 are implemented.

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