Safe computer tamper system

Abstract

The invention relates to the technical field of secure computers, and discloses a secure computer anti-tamper system which comprises a multiple encryption module, a physical lock module, an intelligent sensor module, an alarm module, a user interface module and a cloud management platform module. The multi-encryption module is combined with a physical lock and a software encryption technology, and a computer system is protected through a multi-level encryption method. By combining a physical lock and various advanced encryption technologies, the security of the computer anti-disassembly system is remarkably improved, the physical lock provides basic hardware protection and prevents unauthorized disassembly and physical invasion, meanwhile, the system adopts multiple encryption algorithms to perform encryption protection on data and communication, the difficulty of cracking the system is increased, and the security of the system is improved. And the intelligent sensor monitors the state of hardware in the computer in real time, so that the system can provide higher protection capability when facing potential security threats, and the security of data and hardware is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of secure computers, in particular to a secure computer anti-disassembly system. Background Art

[0002] With the rapid development of information technology, computers have become an indispensable tool in daily life and work, and computer security issues have become increasingly prominent. Currently, the computer anti-tampering systems on the market mainly rely on physical locks and software encryption technology, which have limitations.

[0003] First, the physical locks of existing computer anti-disassembly systems are easily destroyed and cannot effectively prevent illegal disassembly. Physical locks provide a certain degree of hardware protection, but their protection effect is limited in the face of professional destructive methods, and it is difficult to ensure the security of computer hardware.

[0004] Secondly, the software encryption technology of existing computer anti-tampering systems can be cracked, and its security needs to be improved. A single encryption algorithm is difficult to cope with complex attack methods, resulting in a threat to system security.

[0005] In addition, the existing computer anti-tampering system lacks comprehensive monitoring of the computer's internal hardware and cannot detect the hardware status in real time. If the hardware is disassembled or tampered with during system operation, it is difficult to detect and handle it in time, affecting the stability and reliability of the system.

[0006] In addition, the existing computer anti-tampering system is complicated to operate and inconvenient for users to use. The system setting, monitoring and management processes are cumbersome and users have to spend time and energy to operate it, which affects the user experience and satisfaction.

[0007] Finally, the maintenance and update of the existing system is rather troublesome, and there is a lack of effective remote management methods. The maintenance and update of the system requires on-site operation by professionals, which is time-consuming and labor-intensive, and it is impossible to respond to and handle system problems in a timely manner, reducing the maintainability of the system.

[0008] Therefore, those skilled in the art provide a secure computer anti-tampering system to solve the problems raised in the above background technology. Summary of the invention

[0009] In view of the deficiencies in the prior art, the present invention provides a safe computer anti-tampering system to solve the problem.

[0010] To achieve the above objectives, the present invention is implemented through the following technical solutions: a secure computer anti-tampering system, including a multiple encryption module, a physical lock module, an intelligent sensor module, an alarm module, a user interface module, and a cloud management platform module;

[0011] The multiple encryption module combines physical locks and software encryption technology to protect the computer system through a multi-level encryption method; the physical lock module prevents unauthorized disassembly and access through mechanical locks or electronic locks; the intelligent sensor module monitors the internal hardware status of the computer in real time, and the sensor can detect abnormal situations, such as hardware being disassembled or tampered with, and immediately activates the alarm mechanism to alert the user or management system; when the alarm module detects an abnormal situation, it will sound an alarm to prompt the user or administrator to take timely measures; the user interface module provides a friendly user interface, simplifies the operation process, and enables users to easily set up, monitor and manage the system; the cloud management platform module monitors the status of the computer in real time through the cloud platform, manages encryption keys and sensor data, and provides remote maintenance and update functions.

[0012] Preferably, the multiple encryption module includes an encryption algorithm unit, a key management unit, and a decryption unit; the encryption algorithm unit encrypts and protects data; the key management unit generates, stores and manages encryption keys; the decryption unit decrypts data when a legitimate access request is made;

[0013] The physical lock module includes a mechanical lock unit and an electronic lock unit; the mechanical lock unit provides physical protection by mechanically locking the computer case or important components to prevent unauthorized physical access; the electronic lock unit locks or unlocks the computer hardware through electronic control.

[0014] Preferably, the intelligent sensor module includes a hardware sensor unit, an environmental sensor unit, and a data acquisition unit; the hardware sensor unit detects the status of the computer's internal hardware, such as chassis switch, hard disk removal, memory plugging, etc., and monitors hardware changes in real time; the environmental sensor unit detects environmental changes, such as temperature, humidity, vibration, etc., to prevent physical damage through environmental changes; the data acquisition unit collects data from various sensors, and analyzes and determines in real time whether there are abnormal conditions;

[0015] The alarm module includes a sound alarm unit, a visual alarm unit, and a remote notification unit; when the sound alarm unit detects an abnormal situation, it issues a sound alarm to alert nearby personnel; the visual alarm unit issues a visual alarm through LED lights, screen prompts, etc. to alert users or administrators; the remote notification unit notifies remote administrators or users of abnormal situations through text messages, emails, or application notifications.

[0016] Preferably, the user interface module includes a setting unit, a monitoring unit, and a log management unit; the setting unit provides an interface for users to configure system parameters; the monitoring unit displays computer status information in real time; the log management unit records and displays system operation logs and alarm logs for user query and analysis;

[0017] The cloud management platform module includes a remote monitoring unit, a remote control unit, a data storage unit, and an update and maintenance unit; the remote monitoring unit is connected to the network to monitor the status of computers distributed in various places in real time, and collect and analyze sensor data; the remote control unit allows administrators to perform operations remotely; the data storage unit centrally stores the status data, log information and sensor data of each computer for unified management and analysis; the update and maintenance unit provides the function of remotely updating system software, encryption algorithms and sensor firmware.

[0018] Preferably, the data acquisition unit processes the sensor data through a Kalman filter based on data processing and filtering to reduce noise, and the formula is:

[0019] Status prediction:

[0020] P k|k-1 =AP k-1|k-1 A T +Q;

[0021] Update: K k =P k|k-1 H T (HP k|k-1 H T +R) -1 ,

[0022]

[0023] P k|k =(IK k H)P k|k-1 ,

[0024] in, State estimation, P estimation error covariance, A state transfer matrix, B control input matrix, Q process noise covariance, R measurement noise covariance, K Kalman gain, z measurement value.

[0025] Preferably, the abnormality detection of the data acquisition unit is based on a statistical method to detect whether the data exceeds the normal range, and the formula is:

[0026]

[0027] if|x-μ|>kσ then trigger alarm,

[0028] Here, k is a constant used to control the sensitivity.

[0029] Preferably, the sound alarm unit generates a sound of a specific frequency for an alarm signal based on a sound frequency generation formula, and the formula is:

[0030] S(t)=Asin(2πft+φ),

[0031] Among them, S(t) is the sound signal at time t, A is the amplitude, f is the frequency, φ is the phase;

[0032] Sound modulation, modulate the alarm sound to increase recognition, the formula is:

[0033] S(t)=A)t)sin(2πft+φ),

[0034] Where A(t) is the amplitude of the time variation.

[0035] Preferably, the visual alarm unit controls the flashing frequency of the LED lamp based on LED flashing frequency modulation for visual alarm, and the formula is:

[0036]

[0037] Among them, I(t) is the current at time t, I0 is the maximum current, T is the flashing period, and rect(t) is the rectangular function, which is defined as:

[0038]

[0039] The screen display is based on the control screen to display the alarm information, using the graphics drawing function to display the alarm message and icon.

[0040] The present invention provides a safe computer anti-tampering system. It has the following beneficial effects:

[0041] 1. The present invention significantly improves the security of the computer anti-dismantling system by combining physical locks and multiple advanced encryption technologies. The physical locks provide basic hardware protection to prevent unauthorized disassembly and physical intrusion. At the same time, the system uses multiple encryption algorithms to encrypt and protect data and communications, increasing the difficulty of cracking the system. In addition, the intelligent sensor monitors the internal hardware status of the computer in real time, so that the system can provide higher protection capabilities when facing potential security threats, ensuring the security of data and hardware.

[0042] 2. The present invention has a concise and intuitive user interface design, which simplifies the operating process and enables users to easily set up, monitor and manage the system. The user-friendly user interface allows users to intuitively view system status, sensor data and alarm records, thereby improving user operating experience. In addition, the cloud management platform realizes remote monitoring and management, and users can control and update the system configuration without being on site, thereby improving the operability of the system and greatly improving the convenience of the system and user satisfaction.

[0043] 3. The present invention comprehensively improves the reliability of the system through intelligent sensor technology and multi-sensor data fusion algorithm. The intelligent sensor can monitor the internal hardware status of the computer in real time, detect abnormal situations in time, and ensure the stable operation of the system in various environments. Among them, advanced algorithms such as Kalman filtering fuse the sensor data to reduce data noise and improve the accuracy of abnormality detection. In addition, the cloud management platform centrally stores and analyzes sensor data, provides remote maintenance and update functions, and makes system maintenance more efficient and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 is a system diagram of the present invention;

[0045] Figure 2 It is a schematic diagram of a multiple encryption module of the present invention;

[0046] Figure 3 It is a schematic diagram of a physical lock module of the present invention;

[0047] Figure 4 It is a schematic diagram of the intelligent sensor module of the present invention;

[0048] Figure 5 It is a schematic diagram of an alarm module of the present invention;

[0049] Figure 6 is a schematic diagram of a user interface module of the present invention;

[0050] Figure 7 It is a schematic diagram of the cloud management platform module of the present invention. DETAILED DESCRIPTION

[0051] In order to make the technical personnel in the technical field understand the scheme of the present invention, the technical scheme in the embodiment of the present invention will be clearly and completely described below in combination with the drawings in the embodiment of the present invention. Obviously, the described embodiment is a partial embodiment of the present invention, not a complete embodiment. Based on the embodiment of the present invention, other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present invention.

[0052] The present invention is described in detail below in conjunction with the accompanying drawings:

[0053] Example:

[0054] Please refer to the attached Figure 1 - Attachment Figure 7The embodiment of the present invention provides a secure computer anti-disassembly system, including a multiple encryption module, a physical lock module, an intelligent sensor module, an alarm module, a user interface module, and a cloud management platform module; the multiple encryption module combines physical locks and software encryption technology to protect the computer system through a multi-level encryption method; the physical lock module prevents unauthorized disassembly and access through mechanical locks or electronic locks; the intelligent sensor module monitors the internal hardware status of the computer in real time, and the sensor can detect abnormal situations, such as hardware being disassembled or tampered with, and immediately activates the alarm mechanism to remind the user or management system; when the alarm module detects an abnormal situation, it issues an alarm to prompt the user or administrator to take timely measures; the user interface module provides a user-friendly The user interface simplifies the operation process, allowing users to easily set up, monitor and manage the system; the cloud management platform module monitors the computer status in real time through the cloud platform, manages encryption keys and sensor data, and provides remote maintenance and update functions. The multiple encryption modules include an encryption algorithm unit, a key management unit, and a decryption unit; the encryption algorithm unit encrypts and protects data; the key management unit generates, stores and manages encryption keys; the decryption unit decrypts data when a legitimate access request is made; the physical lock module includes a mechanical lock unit and an electronic lock unit; the mechanical lock unit provides physical protection and mechanically locks the computer case or important components to prevent unauthorized physical access; the electronic lock unit locks or Unlock computer hardware. The intelligent sensor module includes a hardware sensor unit, an environmental sensor unit, and a data acquisition unit. The hardware sensor unit detects the status of the computer's internal hardware, such as chassis switch, hard disk removal, memory plugging, etc., and monitors hardware changes in real time. The environmental sensor unit detects environmental changes, such as temperature, humidity, vibration, etc., to prevent physical damage through environmental changes. The data acquisition unit collects data from various sensors and analyzes and determines in real time whether there are abnormal conditions. The alarm module includes a sound alarm unit, a visual alarm unit, and a remote notification unit. When an abnormal condition is detected, the sound alarm unit sounds a sound alarm to alert nearby personnel. The visual alarm unit uses LED lights, screen prompts, etc. to Visual alarms alert users or administrators; the remote notification unit notifies remote administrators or users of abnormal situations through SMS, email or application notifications. The user interface module includes a setting unit, a monitoring unit, and a log management unit. The setting unit provides an interface for users to configure system parameters; the monitoring unit displays the computer's status information in real time; the log management unit records and displays system operation logs and alarm logs for user query and analysis; the cloud management platform module includes a remote monitoring unit, a remote control unit, a data storage unit, and an update and maintenance unit; the remote monitoring unit monitors the status of computers distributed in various places in real time through a network connection, and collects and analyzes sensor data; the remote control unit allows administrators to perform operations remotely;The data storage unit centrally stores the status data, log information and sensor data of each computer, which is convenient for unified management and analysis; the update and maintenance unit provides the function of remotely updating system software, encryption algorithm and sensor firmware. ;

[0055] The encryption algorithm unit benefits effectively prevent data from being intercepted and tampered with, and improve the data security of the system; the key management unit benefits provide a secure key management mechanism to prevent key leakage and ensure the reliability of the encryption process; the decryption unit benefits ensure that authorized users can access encrypted data and prevent illegal access; the mechanical lock unit benefits increase the difficulty of physical access and effectively prevent the hardware from being disassembled or tampered with; the electronic lock unit benefits combine electronic control and physical protection to provide double protection and further enhance the security of the system; the hardware sensor unit benefits timely detect abnormal status of the hardware to prevent potential hardware tampering and sabotage; the environmental sensor unit benefits prevent damage to computer hardware caused by environmental factors and ensure the stable operation of the system in various environments; the data acquisition unit benefits provide real-time data analysis and anomaly detection to ensure that the system can respond to and handle abnormal situations in a timely manner; the sound alarm unit benefits provide instant sound alarms to quickly attract the attention of users or administrators and handle abnormal situations in a timely manner; the visual alarm unit benefits provide obvious visual Benefits: The remote monitoring unit provides remote monitoring from a global perspective, which is convenient for centralized management and monitoring of multi-computer systems. Benefits: The remote control unit improves management flexibility and efficiency, allowing administrators to respond to and handle remote system needs in a timely manner. Benefits: The data storage unit provides centralized data storage and management, which is convenient for unified analysis and long-term preservation of data. Benefits: The update and maintenance unit ensures that system software and firmware are always kept up to date, and security vulnerabilities are fixed in a timely manner to improve the overall security and stability of the system.

[0056] The data acquisition unit processes sensor data through a Kalman filter based on data processing and filtering to reduce noise. The formula is:

[0057] Status prediction:

[0058] P k|k-1 =AP k-1|k-1 A T +Q;

[0059] Update: Kk =P k|k-1 H T (HP k|k-1 H T +R) -1 ,

[0060]

[0061] P k|k =(IK k H)P k|k-1 ,

[0062] in, State estimation, P estimation error covariance, A state transfer matrix, B control input matrix, Q process noise covariance, R measurement noise covariance, K Kalman gain, z measurement value.

[0063] Initialization: Initialize the state estimate and error covariance P0;

[0064] State prediction: Based on the state estimate and control input at the previous moment, predict the state estimate and error covariance at this moment;

[0065] Calculate Kalman gain: Kalman gain is used to measure the weight between the predicted state and the measured value;

[0066] Update state estimate: Update state estimate based on measurement value;

[0067] Update Error Covariance: Updates the error covariance based on the measurements.

[0068] The anomaly detection of the data acquisition unit is based on statistical methods to detect whether the data exceeds the normal range. The formula is:

[0069]

[0070] if|x-μ|>kσ then trigger alarm,

[0071] Here, k is a constant used to control the sensitivity.

[0072] The sound alarm unit generates a sound of a specific frequency based on a sound frequency generation formula for an alarm signal. The formula is:

[0073] S(t)=Asin(2πft+φ),

[0074] Among them, S(t) is the sound signal at time t, A is the amplitude, f is the frequency, φ is the phase;

[0075] Sound modulation, modulate the alarm sound to increase recognition, the formula is:

[0076] S(t)=A(t)sin(2πft+φ),

[0077] Where A(t) is the amplitude of the time variation.

[0078] The generated sound signal has a specific frequency and modulation effect, which is easy to identify and improves the effectiveness of the alarm. The sound signal can quickly convey the alarm information and alert nearby personnel to abnormal situations. By adjusting the frequency, amplitude and modulation parameters, different types of alarm sounds can be generated.

[0079] The visual alarm unit is based on LED flashing frequency control, which controls the flashing frequency of the LED light for visual alarm. The formula is:

[0080]

[0081] Among them, I(t) is the current at time t, I0 is the maximum current, T is the flashing period, and rect(t) is the rectangular function, which is defined as:

[0082]

[0083] The screen display is based on the control screen to display the alarm information, using the graphics drawing function to display the alarm message and icon.

[0084] Through the combination of text and icons, alarm information is conveyed intuitively to help users quickly understand and respond. The screen display content can be flexibly adjusted according to different alarm situations. Combined with the alarm methods of sound and LED lights, a variety of alarm methods are provided to ensure that the alarm information is conveyed without omissions.

[0085] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A secure computer anti-tampering system, characterized in that: Including multiple encryption modules, physical lock modules, intelligent sensor modules, alarm modules, user interface modules, and cloud management platform modules; The multiple encryption module combines physical locks and software encryption technology to protect the computer system through a multi-level encryption method; the physical lock module prevents unauthorized disassembly and access through mechanical locks or electronic locks; the intelligent sensor module monitors the internal hardware status of the computer in real time, and the sensor can detect abnormal situations, such as hardware being disassembled or tampered with, and immediately activates the alarm mechanism to alert the user or management system; when the alarm module detects an abnormal situation, it will sound an alarm to prompt the user or administrator to take timely measures; the user interface module provides a friendly user interface, simplifies the operation process, and enables users to easily set up, monitor and manage the system; the cloud management platform module monitors the status of the computer in real time through the cloud platform, manages encryption keys and sensor data, and provides remote maintenance and update functions.

2. A secure computer anti-tampering system according to claim 1, characterized in that: The multiple encryption module includes an encryption algorithm unit, a key management unit, and a decryption unit; the encryption algorithm unit encrypts and protects data; the key management unit generates, stores and manages encryption keys; the decryption unit decrypts data when a legitimate access request is made; The physical lock module includes a mechanical lock unit and an electronic lock unit; the mechanical lock unit provides physical protection by mechanically locking the computer case or important components to prevent unauthorized physical access; the electronic lock unit locks or unlocks the computer hardware through electronic control.

3. A secure computer anti-tampering system according to claim 1, characterized in that: The intelligent sensor module includes a hardware sensor unit, an environmental sensor unit, and a data acquisition unit; the hardware sensor unit detects the status of the computer's internal hardware, such as chassis switch, hard disk removal, memory plugging, etc., and monitors hardware changes in real time; the environmental sensor unit detects environmental changes, such as temperature, humidity, vibration, etc., to prevent physical damage through environmental changes; the data acquisition unit collects data from various sensors and analyzes and determines in real time whether there are abnormal conditions; The alarm module includes a sound alarm unit, a visual alarm unit, and a remote notification unit; when the sound alarm unit detects an abnormal situation, it issues a sound alarm to alert nearby personnel; the visual alarm unit issues a visual alarm through LED lights, screen prompts, etc. to alert users or administrators; the remote notification unit notifies remote administrators or users of abnormal situations through text messages, emails, or application notifications.

4. A secure computer anti-tampering system according to claim 1, characterized in that: The user interface module includes a setting unit, a monitoring unit, and a log management unit; the setting unit provides an interface for users to configure system parameters; the monitoring unit displays computer status information in real time; the log management unit records and displays system operation logs and alarm logs for easy query and analysis by users; The cloud management platform module includes a remote monitoring unit, a remote control unit, a data storage unit, and an update and maintenance unit; the remote monitoring unit is connected to the network to monitor the status of computers distributed in various places in real time, and collect and analyze sensor data; the remote control unit allows administrators to perform operations remotely; the data storage unit centrally stores the status data, log information and sensor data of each computer for unified management and analysis; the update and maintenance unit provides the function of remotely updating system software, encryption algorithms and sensor firmware.

5. A secure computer anti-tampering system according to claim 1, characterized in that: The data acquisition unit processes sensor data through a Kalman filter based on data processing and filtering to reduce noise. The formula is: Status prediction: P k|k-1 =AP k-1|k-1 From T +Q; Update: K k =P k|k-1 H T (HP k|k-1 H T +R) -1 , P k|k =(I-K k H)P k|k-1 , in, State estimation, P estimation error covariance, A state transfer matrix, B control input matrix, Q process noise covariance, R measurement noise covariance, K Kalman gain, z measurement value.

6. A secure computer anti-tampering system according to claim 1, characterized in that: The abnormality detection of the data acquisition unit is based on a statistical method to detect whether the data exceeds the normal range. The formula is: if|x-μ|>kσ then trigger alarm, Here, k is a constant used to control the sensitivity.

7. A secure computer anti-tampering system according to claim 1, characterized in that: The sound alarm unit generates a sound of a specific frequency based on a sound frequency generation formula for an alarm signal, and the formula is: S(t)=Asin(2πft+φ), Among them, S(t) is the sound signal at time t, A is the amplitude, f is the frequency, φ is the phase; Sound modulation, modulate the alarm sound to increase recognition, the formula is: S(t)=A(t)sin(2πft+φ), Where A(t) is the amplitude of the time variation.

8. A secure computer anti-tampering system according to claim 1, characterized in that: The visual alarm unit controls the flashing frequency of the LED lamp based on LED flashing frequency modulation for visual alarm, and the formula is: Among them, I(t) is the current at time t, I0 is the maximum current, T is the flashing period, and rect(t) is the rectangular function, which is defined as: The screen display is based on the control screen to display the alarm information, using the graphics drawing function to display the alarm message and icon.

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