Trusted computing protection method and system based on desktop terminal

Abstract

The invention discloses a trusted computing protection method and system based on a desktop terminal, and the method comprises the following steps: (1) obtaining the current of each power line of the desktop terminal at each time point and the radio frequency of each signal line at each time point, and analyzing the qualification index of the electromagnetic compatibility of the desktop terminal; (2) performing virus detection on each system of the desktop terminal to obtain a virus immune coefficient of each system of the desktop terminal, acquiring the virus immune coefficient of each system of the desktop terminal, and analyzing a body safety protection qualification index of the desktop terminal; (3) detecting the desktop terminal by using IP encryption and full self-developed firmware to obtain backup data of the desktop terminal; (4) analyzing and displaying a trusted computing protection conformity index of the desktop terminal based on the obtained electromagnetic compatibility qualification index of the desktop terminal, the body safety protection qualification index of the desktop terminal and the data backup safety index of the desktop terminal; the occurrence rate of the problem of data loss of the desktop terminal is reduced, and then the occurrence rate of the problem of virus infection of the desktop terminal is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of desktop terminals, and in particular to a trusted computing protection method and system based on desktop terminals. Background Art

[0002] In today's network environment, desktop terminal devices, such as personal computers and laptops, store and process a large amount of sensitive data, and these devices often become targets of network attacks. Traditional security measures, such as firewalls and antivirus software, are no longer sufficient to cope with complex and changing network security threats. The introduction of the trusted computing protection system provides an overall solution from hardware to software, aiming to improve the security and credibility of desktop terminals from the source. However, autonomous and controllable desktop terminals are still in the development stage of whole machine tuning, and there is still a large gap in component compatibility with foreign platforms, so the protection of desktop terminals is extremely necessary.

[0003] The protection of desktop terminals in the existing technology can meet the basic requirements, but there are also some potential defects and challenges, which are specifically reflected in the following aspects: First, the research on the electromagnetic compatibility performance qualification index of desktop terminals in the existing technology is not in-depth enough. The electromagnetic compatibility performance of the hardware layout and the electromagnetic compatibility performance of the electromagnetic shielding structure have a crucial impact on the electromagnetic compatibility performance of the desktop terminal, thereby reducing the incidence of electromagnetic compatibility problems of the hardware layout and electromagnetic shielding structure of the desktop terminal, and cannot timely display the current fault problems of the power lines of the desktop terminal, thereby affecting the operation of the electromagnetic compatibility of the desktop terminal. Second, the existing technology does not pay much attention to the virus immunity coefficient of each system of the desktop terminal and the data backup security index of the desktop terminal. Due to the low virus immunity coefficient, the risk of system damage of the desktop terminal is increased. The data backup security index of the desktop terminal is not high, which increases the incidence of data loss problems of the desktop terminal.

[0004] Due to the imperfection of the existing technology, the desktop terminal's intrinsic security protection qualification index is reduced, which affects the data backup process and data backup processing results of the desktop terminal and increases the incidence of desktop terminal virus infection problems. Summary of the invention

[0005] Purpose of the invention: The purpose of the present invention is to provide a trusted computing protection method and system based on desktop terminals to solve the problems existing in the background technology.

[0006] Technical solution: The present invention provides a desktop terminal-based trusted computing protection method, comprising the following steps:

[0007] (1) Detect the power lines and signal lines of the desktop terminal, obtain the current of each power line of the desktop terminal at each time point and the radio frequency of each signal line at each time point, and analyze the electromagnetic compatibility performance qualification index of the desktop terminal;

[0008] (2) Complete the trustworthiness measurement of BIOS, operating system and application programs based on the desktop terminal, comprehensively scan the desktop terminal through the installed antivirus software, perform virus detection on each system of the desktop terminal, obtain the virus immunity coefficient of each system of the desktop terminal, and analyze the desktop terminal's main security protection qualification index;

[0009] (3) Use IP encryption and self-developed firmware to detect desktop terminals and obtain backup data of desktop terminals, where the backup data of desktop terminals includes: hard disk health status value, network connection value, backup recovery value and data storage duration of each system of the desktop terminal at each time point, and then analyze the data backup security index of the desktop terminal;

[0010] (4) Based on the obtained electromagnetic compatibility performance qualification index of the desktop terminal, the desktop terminal's main body security protection qualification index and the desktop terminal's data backup security index, the trusted computing protection compliance index of the desktop terminal is analyzed, and the obtained trusted protection compliance index of the desktop terminal is displayed on a display.

[0011] Furthermore, the electromagnetic compatibility performance qualification index of the desktop terminal is analyzed as follows: based on the current of each power line at each time point and the radio frequency of each signal line at each time point of the desktop terminal, the electromagnetic compatibility index of the hardware layout and the electromagnetic compatibility index of the electromagnetic shielding structure are analyzed, and the electromagnetic compatibility performance qualification index of the desktop terminal is analyzed according to the following formula: β=P+I, where I represents the electromagnetic compatibility index of the electromagnetic shielding structure.

[0012] Further, the electromagnetic compatibility index of the hardware layout is analyzed, as follows: based on the current of each power line of the desktop terminal at each time point, the current of each power line of the desktop terminal at each time point is averaged to obtain the average current of each power line of the desktop terminal, the current reference interval of each power line of the desktop terminal is obtained from the database, the average current of each power line of the desktop terminal is compared with the current reference interval of each power line of the desktop terminal, if the average current of a power line of the desktop terminal is in the current reference interval of the power line of the surface terminal, the electromagnetic compatibility index of the hardware layout of the power line is recorded as Q, otherwise, it is recorded as Q', to obtain the electromagnetic compatibility index of the hardware layout of each power line, the electromagnetic compatibility index of the hardware layout of each power line is averaged to obtain the electromagnetic compatibility index P of the hardware layout, where the value of P is Q or Q', Q <Q'。

[0013] Furthermore, the electromagnetic compatibility index of the electromagnetic shielding structure is specifically as follows: Based on the obtained radio frequencies of each signal line of the desktop terminal at each time point, the electromagnetic compatibility index of the electromagnetic shielding structure is analyzed, and the specific calculation formula is:

[0014]

[0015] Among them, f ia It is represented as the radio frequency of the ath signal line of the desktop terminal at the i-th time point, f ie(a-1) is the radio frequency of the a-1th signal line of the desktop terminal at the i-th time point, i represents the system time of the desktop terminal, i=1,2,...,h, a represents the number of the signal line, a=1,2,...,k, k represents the number of signal lines, f a ' represents the radio reference frequency of the ath signal line of the desktop terminal.

[0016] Further, the analysis of the desktop terminal's main security protection qualified index is specifically as follows: obtaining the number of viruses at each time point of each system of the desktop terminal, analyzing the virus immunity coefficient of each system of the desktop terminal, and the specific formula is:

[0017] Among them, s ei It is represented as the number of viruses of the e-th system of the desktop terminal at the i-th time point, e represents the system number of the desktop terminal, e=1,2,...,n, n represents the number of systems of the desktop terminal, and s' represents the qualified value of the allowed number of viruses of the desktop terminal;

[0018] Based on the obtained virus immunity coefficients of each system of the desktop terminal, the virus immunity coefficients of each system of the desktop terminal are averaged to obtain the entity security protection qualification index l of the desktop terminal.

[0019] Furthermore, the data backup safety index of the desktop terminal is analyzed, specifically: based on the backup data of the desktop terminal obtained, the data backup safety index of the desktop terminal is analyzed: the specific calculation formula is: θ=W+F, wherein W represents the data backup process detection qualification index of the desktop terminal, and F represents the data backup subsequent processing qualification index of the desktop terminal.

[0020] Furthermore, the data backup process detection qualified index of the desktop terminal is specifically: based on the hard disk health status value and network connection value of each system of the desktop terminal at each time point, the data backup process detection qualified index of the desktop terminal is analyzed, and its specific calculation formula is:

[0021] Where t represents the hard disk health status reference value of the desktop terminal system, t eidenoted as the hard disk health status value of the e-th system of the desktop terminal at the i-th time point, r denoted as the network connection reference value of the system of the desktop terminal, and r ei It is expressed as the network connection value of the e-th system of the desktop terminal at the i-th time point.

[0022] Furthermore, the data backup subsequent processing qualification index of the desktop terminal is specifically: based on the backup recovery value and data storage duration of each system of the desktop terminal at each time point, the data backup subsequent processing qualification index of the desktop terminal is analyzed, and the specific calculation formula is:

[0023] Where x represents the backup and recovery reference value of the desktop terminal system, x ei is the backup recovery value of the e-th system of the desktop terminal at the i-th time point, m is the reference data storage time of the desktop terminal system, and x ei It is expressed as the data retention time of the e-th system of the desktop terminal at the i-th time point.

[0024] Furthermore, the specific formula is:

[0025] Where β' represents the electromagnetic compatibility performance qualified index of the desktop terminal allowed in the database, R' represents the body safety protection qualified index of the desktop terminal allowed in the database, θ' represents the data backup safety index of the desktop terminal allowed in the database, ∧ represents the logical relationship symbol and, ∨ represents the logical relationship symbol or, It is expressed as (β<β')∧(R<R')∧(θ> θ'), It is expressed as (β<β')∧(R>R')∧(θ>θ'), and λ is expressed as (β>β')∧(R<R')∧(θ> θ'), α is expressed as (β>β')∧(R <R')∧(θ<θ')。

[0026] The present invention provides a desktop terminal-based trusted computing protection system, comprising:

[0027] Electromagnetic compatibility detection module: used to detect the power line and signal line of the desktop terminal, obtain the current of each power line of the desktop terminal at each time point and the radio frequency of each signal line at each time point, and then analyze the electromagnetic compatibility performance qualification index of the desktop terminal;

[0028] Virus immunity detection module: used to complete the trust measurement of BIOS, operating system and application programs based on desktop terminals. Through the installed antivirus software, the desktop terminals are fully scanned, and each system of the desktop terminal is tested for viruses. The virus immunity coefficient of each system of the desktop terminal is obtained, and then the desktop terminal's main body security protection qualification index is analyzed;

[0029] Data backup and recovery technology analysis module: used to detect desktop terminals using IP encryption and self-developed firmware to obtain backup data of desktop terminals, including hard disk health status values, network connection values, backup and recovery values, and data storage duration of each system of the desktop terminal at each time point, and then analyze the data backup security index of the desktop terminal;

[0030] Data display module of desktop terminal: used to analyze the trusted computing protection compliance index of the desktop terminal based on the obtained electromagnetic compatibility performance qualification index of the desktop terminal, the main body safety protection qualification index of the desktop terminal and the data backup safety index of the desktop terminal, and display the obtained trusted protection compliance index of the desktop terminal through the display.

[0031] An electronic device described in the present invention includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the computer program is loaded into the processor, any one of the desktop terminal-based trusted computing protection methods described above is implemented.

[0032] Beneficial effects: Compared with the prior art, the present invention has the following significant advantages: by analyzing the electromagnetic compatibility performance of the hardware layout and the electromagnetic compatibility performance of the electromagnetic shielding structure, the incidence of electromagnetic compatibility problems of the hardware layout and the electromagnetic shielding structure of the desktop terminal is improved, and the current fault problems of each power line of the desktop terminal are timely displayed, thereby improving the electromagnetic compatibility operation of the desktop terminal; by analyzing the data backup safety index of the desktop terminal, the risk of system damage of the desktop terminal is reduced, the body safety protection qualification index of the desktop terminal is improved, the data backup process and data backup processing results of the desktop terminal are improved, the incidence of data loss problems of the desktop terminal is reduced, and the incidence of virus infection problems of the desktop terminal is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a flow chart of the method of the present invention;

[0034] Figure 2 It is a flow chart of the system of the present invention. DETAILED DESCRIPTION

[0035] The technical solution of the present invention is further described below in conjunction with the accompanying drawings.

[0036] like Figure 1 As shown, an embodiment of the present invention provides a trusted computing protection method based on a desktop terminal, comprising the following steps:

[0037] (1) Detect the power lines and signal lines of the desktop terminal, obtain the current of each power line of the desktop terminal at each time point and the radio frequency of each signal line at each time point, and analyze the electromagnetic compatibility performance qualification index of the desktop terminal; based on the obtained current of each power line of the desktop terminal at each time point and the radio frequency of each signal line at each time point, analyze the electromagnetic compatibility index of the hardware layout and the electromagnetic compatibility index of the electromagnetic shielding structure, and analyze the electromagnetic compatibility performance qualification index of the desktop terminal. The formula is as follows: β = P + I, where I represents the electromagnetic compatibility index of the electromagnetic shielding structure; where the electromagnetic compatibility index of the hardware layout is analyzed as follows: based on the obtained current of each power line of the desktop terminal at each time point and the radio frequency of each signal line at each time point, analyze the electromagnetic compatibility index of the hardware layout and the electromagnetic compatibility index of the electromagnetic shielding structure. Flow, average the current of each power line of the desktop terminal at each time point to obtain the average current of each power line of the desktop terminal, obtain the current reference interval of each power line of the desktop terminal from the database, compare the average current of each power line of the desktop terminal with the current reference interval of each power line of the desktop terminal, if the average current of a power line of the desktop terminal is in the current reference interval of the power line of the surface terminal, then the electromagnetic compatibility index of the hardware layout of the power line is recorded as Q, otherwise, it is recorded as Q', to obtain the electromagnetic compatibility index of the hardware layout of each power line, average the electromagnetic compatibility index of the hardware layout of each power line to obtain the electromagnetic compatibility index P of the hardware layout, where the value of P is Q or Q', Q <Q'。

[0038] The electromagnetic compatibility index of the electromagnetic shielding structure is as follows: Based on the obtained radio frequency of each signal line of the desktop terminal at each time point, the electromagnetic compatibility index of the electromagnetic shielding structure is analyzed, and the specific calculation formula is:

[0039]

[0040] Among them, f ia It is represented as the radio frequency of the ath signal line of the desktop terminal at the i-th time point, f ie(a-1) is the radio frequency of the a-1th signal line of the desktop terminal at the i-th time point, i represents the system time of the desktop terminal, i=1,2,...,h, a represents the number of the signal line, a=1,2,...,k, k represents the number of signal lines, f a ' represents the radio reference frequency of the ath signal line of the desktop terminal.

[0041] (2) Based on the desktop terminal, the BIOS, operating system and application program are trusted. The desktop terminal is fully scanned by the installed antivirus software, and each system of the desktop terminal is tested for viruses. The virus immunity coefficient of each system of the desktop terminal is obtained, and the desktop terminal's main security protection qualified index is analyzed; specifically, the number of viruses at each time point of each system of the desktop terminal is obtained, and the virus immunity coefficient of each system of the desktop terminal is analyzed. The specific formula is:

[0042] Among them, s ei It is represented as the number of viruses of the e-th system of the desktop terminal at the i-th time point, e represents the system number of the desktop terminal, e=1,2,...,n, n represents the number of systems of the desktop terminal, and s' represents the qualified value of the allowed number of viruses of the desktop terminal;

[0043] Based on the obtained virus immunity coefficients of each system of the desktop terminal, the virus immunity coefficients of each system of the desktop terminal are averaged to obtain the entity security protection qualification index l of the desktop terminal.

[0044] (3) Using IP encryption and self-developed firmware to detect the desktop terminal, the desktop terminal backup data is obtained, wherein the desktop terminal backup data includes: the hard disk health status value, network connection value, backup recovery value and data retention time of each system of the desktop terminal at each time point, and then the data backup security index of the desktop terminal is analyzed; specifically: based on the obtained desktop terminal backup data, the desktop terminal data backup security index is analyzed: the specific calculation formula is: θ = W + F, wherein W represents the desktop terminal data backup process detection qualified index, and F represents the desktop terminal data backup subsequent processing qualified index.

[0045] Among them, based on the hard disk health status value and network connection value of each system of the desktop terminal at each time point, the data backup process detection qualification index of the desktop terminal is analyzed, and its specific calculation formula is:

[0046] Where t represents the hard disk health status reference value of the desktop terminal system, t ei denoted as the hard disk health status value of the e-th system of the desktop terminal at the i-th time point, r denoted as the network connection reference value of the system of the desktop terminal, and r e i represents the network connection value of the e-th system of the desktop terminal at the i-th time point.

[0047] The data backup subsequent processing qualification index of the desktop terminal is specifically: based on the backup recovery value and data storage duration of each system of the desktop terminal at each time point, the data backup subsequent processing qualification index of the desktop terminal is analyzed, and the specific calculation formula is:

[0048] Where x represents the backup and recovery reference value of the desktop terminal system, x ei is the backup recovery value of the e-th system of the desktop terminal at the i-th time point, m is the reference data storage time of the desktop terminal system, and x ei It is expressed as the data retention time of the e-th system of the desktop terminal at the i-th time point.

[0049] (4) Based on the obtained electromagnetic compatibility performance qualification index of the desktop terminal, the desktop terminal's main body security protection qualification index and the desktop terminal's data backup security index, the desktop terminal's trusted computing protection compliance index is analyzed, and the obtained desktop terminal's trusted protection compliance index is displayed on the display. The specific formula is:

[0050] Where β' represents the electromagnetic compatibility performance qualified index of the desktop terminal allowed in the database, R' represents the body safety protection qualified index of the desktop terminal allowed in the database, θ' represents the data backup safety index of the desktop terminal allowed in the database, ∧ represents the logical relationship symbol and, ∨ represents the logical relationship symbol or, It is expressed as (β<β')∧(R<R')∧(θ> θ'), It is expressed as (β<β')∧(R>R')∧(θ>θ'), and λ is expressed as (β>β')∧(R<R')∧(θ> θ'), α is expressed as (β>β')∧(R <R')∧(θ<θ')。

[0051] The embodiment of the present invention further provides a trusted computing protection system based on a desktop terminal, comprising:

[0052] Electromagnetic compatibility detection module: used to detect the power line and signal line of the desktop terminal, obtain the current of each power line of the desktop terminal at each time point and the radio frequency of each signal line at each time point, and then analyze the electromagnetic compatibility performance qualification index of the desktop terminal;

[0053] Virus immunity detection module: used to complete the trust measurement of BIOS, operating system and application programs based on desktop terminals. Through the installed antivirus software, the desktop terminals are fully scanned, and each system of the desktop terminal is tested for viruses. The virus immunity coefficient of each system of the desktop terminal is obtained, and then the desktop terminal's main body security protection qualification index is analyzed;

[0054] Data backup and recovery technology analysis module: used to detect desktop terminals using IP encryption and self-developed firmware to obtain backup data of desktop terminals, including hard disk health status values, network connection values, backup and recovery values, and data storage duration of each system of the desktop terminal at each time point, and then analyze the data backup security index of the desktop terminal;

[0055] Data display module for desktop terminals: used to analyze the trusted computing protection compliance index of desktop terminals based on the obtained electromagnetic compatibility performance compliance index of desktop terminals, the desktop terminal's body safety protection compliance index and the desktop terminal's data backup safety index, and display the obtained trusted protection compliance index of desktop terminals on the display

[0056] An embodiment of the present invention also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the computer program is loaded into the processor, any one of the above-described methods for trusted computing protection based on a desktop terminal is implemented.

Claims

1. A trusted computing protection method based on a desktop terminal, characterized in that: The following steps are involved: (1) Detect the power lines and signal lines of the desktop terminal, obtain the current of each power line of the desktop terminal at each time point and the radio frequency of each signal line at each time point, and analyze the electromagnetic compatibility performance qualification index of the desktop terminal; (2) Complete the trustworthiness measurement of BIOS, operating system and application programs based on the desktop terminal, comprehensively scan the desktop terminal through the installed antivirus software, perform virus detection on each system of the desktop terminal, obtain the virus immunity coefficient of each system of the desktop terminal, and analyze the desktop terminal's main security protection qualification index; (3) Use IP encryption and self-developed firmware to detect desktop terminals and obtain backup data of desktop terminals, where the backup data of desktop terminals includes: hard disk health status value, network connection value, backup recovery value and data storage duration of each system of the desktop terminal at each time point, and then analyze the data backup security index of the desktop terminal; (4) Based on the obtained electromagnetic compatibility performance qualification index of the desktop terminal, the desktop terminal's main body security protection qualification index and the desktop terminal's data backup security index, the trusted computing protection compliance index of the desktop terminal is analyzed, and the obtained trusted protection compliance index of the desktop terminal is displayed on a display.

2. According to claim 1, a trusted computing protection method based on a desktop terminal is characterized in that: The electromagnetic compatibility performance qualification index of the desktop terminal is analyzed as follows: based on the current of each power line at each time point and the radio frequency of each signal line at each time point of the desktop terminal, the electromagnetic compatibility index of the hardware layout and the electromagnetic compatibility index of the electromagnetic shielding structure are analyzed, and the electromagnetic compatibility performance qualification index of the desktop terminal is analyzed according to the following formula: β=P+I, where I represents the electromagnetic compatibility index of the electromagnetic shielding structure.

3. A desktop terminal-based trusted computing protection method according to claim 2, characterized in that: The electromagnetic compatibility index of the hardware layout is analyzed as follows: based on the current of each power line of the desktop terminal at each time point, the current of each power line of the desktop terminal at each time point is averaged to obtain the average current of each power line of the desktop terminal, the current reference interval of each power line of the desktop terminal is obtained from the database, the average current of each power line of the desktop terminal is compared with the current reference interval of each power line of the desktop terminal, if the average current of a power line of the desktop terminal is in the current reference interval of the power line of the surface terminal, the electromagnetic compatibility index of the hardware layout of the power line is recorded as Q, otherwise, it is recorded as Q', to obtain the electromagnetic compatibility index of the hardware layout of each power line, the electromagnetic compatibility index of the hardware layout of each power line is averaged to obtain the electromagnetic compatibility index P of the hardware layout, where the value of P is Q or Q', Q <Q'。 4. A desktop terminal-based trusted computing protection system according to claim 2, characterized in that: The electromagnetic compatibility index of the electromagnetic shielding structure is as follows: Based on the obtained radio frequency of each signal line of the desktop terminal at each time point, the electromagnetic compatibility index of the electromagnetic shielding structure is analyzed, and the specific calculation formula is: Among them, f ia It is represented as the radio frequency of the ath signal line of the desktop terminal at the i-th time point, f ie(a-1) is the radio frequency of the a-1th signal line of the desktop terminal at the i-th time point, i represents the system time of the desktop terminal, i=1,2,...,h, a represents the number of the signal line, a=1,2,...,k, k represents the number of signal lines, f a ' represents the radio reference frequency of the ath signal line of the desktop terminal.

5. A desktop terminal-based trusted computing protection method according to claim 1, characterized in that: The desktop terminal's main security protection qualified index is analyzed as follows: the number of viruses at each time point of each system of the desktop terminal is obtained, and the virus immunity coefficient of each system of the desktop terminal is analyzed. The specific formula is: Among them, s ei It is represented as the number of viruses of the e-th system of the desktop terminal at the i-th time point, e represents the system number of the desktop terminal, e=1,2,...,n, n represents the number of systems of the desktop terminal, and s' represents the qualified value of the allowed number of viruses of the desktop terminal; Based on the obtained virus immunity coefficients of each system of the desktop terminal, the virus immunity coefficients of each system of the desktop terminal are averaged to obtain the entity security protection qualification index l of the desktop terminal.

6. A desktop terminal-based trusted computing protection method according to claim 1, characterized in that: Analyze the data backup safety index of the desktop terminal, specifically: based on the obtained backup data of the desktop terminal, analyze the data backup safety index of the desktop terminal: the specific calculation formula is: θ=W+F, wherein W represents the data backup process detection qualification index of the desktop terminal, and F represents the data backup subsequent processing qualification index of the desktop terminal.

7. A desktop terminal-based trusted computing protection system according to claim 6, characterized in that: The data backup process detection qualified index of the desktop terminal is specifically: based on the hard disk health status value and network connection value of each system of the desktop terminal at each time point, the data backup process detection qualified index of the desktop terminal is analyzed, and the specific calculation formula is: Where t represents the hard disk health status reference value of the desktop terminal system, t ei denoted as the hard disk health status value of the e-th system of the desktop terminal at the i-th time point, r denoted as the network connection reference value of the system of the desktop terminal, and r ei It is expressed as the network connection value of the e-th system of the desktop terminal at the i-th time point.

8. A desktop terminal-based trusted computing protection method according to claim 6, characterized in that: The data backup subsequent processing qualification index of the desktop terminal is specifically: based on the backup recovery value and data storage duration of each system of the desktop terminal at each time point, the data backup subsequent processing qualification index of the desktop terminal is analyzed, and the specific calculation formula is: Where x represents the backup and recovery reference value of the desktop terminal system, x ei is the backup recovery value of the e-th system of the desktop terminal at the i-th time point, m is the reference data storage time of the desktop terminal system, and x ei It is expressed as the data retention time of the e-th system of the desktop terminal at the i-th time point.

9. A desktop terminal-based trusted computing protection method according to claim 1, characterized in that: The specific formula is: Where β' represents the electromagnetic compatibility performance qualified index of the desktop terminal allowed in the database, R' represents the body safety protection qualified index of the desktop terminal allowed in the database, θ' represents the data backup safety index of the desktop terminal allowed in the database, ∧ represents the logical relationship symbol and, ∨ represents the logical relationship symbol or, It is expressed as (β<β')∧(R<R')∧(θ> θ'), θ is expressed as (β<β')∧(R>R')∧(θ>θ'), λ is expressed as (β>β')∧(R<R')∧(θ> θ'), α is expressed as (β>β')∧(R <R')∧(θ<θ')。 10. A trusted computing protection system based on desktop terminals, characterized in that: include: Electromagnetic compatibility detection module: used to detect the power line and signal line of the desktop terminal, obtain the current of each power line of the desktop terminal at each time point and the radio frequency of each signal line at each time point, and then analyze the electromagnetic compatibility performance qualification index of the desktop terminal; Virus immunity detection module: used to complete the trust measurement of BIOS, operating system and application programs based on desktop terminals. Through the installed antivirus software, the desktop terminals are fully scanned, and each system of the desktop terminal is tested for viruses. The virus immunity coefficient of each system of the desktop terminal is obtained, and then the desktop terminal's main body security protection qualification index is analyzed; Data backup and recovery technology analysis module: used to detect desktop terminals using IP encryption and self-developed firmware to obtain backup data of desktop terminals, including hard disk health status values, network connection values, backup and recovery values, and data storage duration of each system of the desktop terminal at each time point, and then analyze the data backup security index of the desktop terminal; Data display module of desktop terminal: used to analyze the trusted computing protection compliance index of the desktop terminal based on the obtained electromagnetic compatibility performance qualification index of the desktop terminal, the main body safety protection qualification index of the desktop terminal and the data backup safety index of the desktop terminal, and display the obtained trusted protection compliance index of the desktop terminal through the display.

11. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the computer program is loaded into the processor, a desktop terminal-based trusted computing protection method according to any one of claims 1 to 8 is implemented.

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