CN116015766A - Data safety transmission system for computer - Google Patents

Abstract

The invention belongs to the field of data transmission, relates to data processing technology, and is used to solve the problem of low encryption and decryption efficiency when the data transmission encryption of the existing computer data transmission system is performed. Specifically, the data security transmission system of the computer includes a server, a server The communication connection includes a data encryption module, a data decryption module, an access verification module, an auxiliary monitoring module, and a storage module. The data encryption module is used to encrypt the data transmitted by the computer: mark the data to be transmitted as an encrypted object, and in the digital collection Randomly extract a number and mark it as a group value n, sort the encrypted objects, combine the data memory values according to the arrangement of the transmitted data to obtain the key; the invention can encrypt the data transmitted by the computer, and at the same time, according to the reorganization logic The corresponding key is generated, and the data reorganization method improves the data security when capturing packets.

Description

Computer Data Security Transmission System

technical field

The invention belongs to the field of data transmission, relates to data processing technology, in particular to a computer data security transmission system.

Background technique

The computer data information system mainly refers to the people who collect, process, store, transmit and retrieve information data according to certain application objectives, methods and rules, which are composed of computers, data storage devices, networks and corresponding software. machine system;

The existing computer data security transmission system needs to generate a very complex key when encrypting data transmission, which leads to a lot of time-consuming data decryption and low encryption and decryption efficiency. At the same time, the existing computer data security transmission The system cannot monitor the external influencing factors of data transmission, resulting in the unguaranteed data transmission environment and low data transmission security;

Aiming at the above technical problems, the present application proposes a solution.

Contents of the invention

The object of the present invention is to provide a computer data security transmission system, which is used to solve the problem of low encryption and decryption efficiency when the existing computer data security transmission system performs data transmission encryption.

The technical problem to be solved in the present invention is: how to provide a data security transmission system capable of efficiently encrypting and decrypting transmission of data.

The purpose of the present invention can be achieved through the following technical solutions:

The computer's data security transmission system includes a server, and the server is connected with a data encryption module, a data decryption module, an access verification module, an auxiliary monitoring module and a storage module;

The data encryption module is used to encrypt the data transmitted by the computer: mark the data to be transmitted as an encrypted object, randomly extract a number from the number set and mark it as a group value n, and sort the encrypted objects by character. The characters corresponding to serial numbers 1, 1+n, 1+2n, ..., 1+xn form the first group of transmission data, and the characters corresponding to characters 2, 2+n, 2+2n, ..., 2+xn form the second group Transmission data, and so on, until the encrypted object is decomposed into n groups of transmission data, the data memory value of each group of transmission data is obtained, and the data memory value is combined according to the arrangement of the transmission data to obtain the key, and the n groups of transmission data are obtained according to Generate data packets in a random order, stamp the generation time of the data packets, and send the key and data packets to the server for encrypted data transmission;

The data decryption module is used to decrypt the data to obtain the original data when the data is called, and send the original data to the server, and the server sends the original data to the access verification module after receiving the original data;

The access verification module is used to verify and analyze the legality of data retrieval;

The auxiliary monitoring module is used for auxiliary monitoring and analysis of the data transmission process of the computer, and the auxiliary monitoring module includes an external monitoring unit and a user monitoring unit; the external monitoring unit is used for monitoring and analyzing the external influence data of the computer data transmission; The user monitoring unit is used for monitoring and analyzing the user's password habits.

As a preferred embodiment of the present invention, the specific process for the data decryption module to decrypt the data during data retrieval includes: arranging the n groups of transmission data in the data packet in order according to the data memory values in the key to obtain a new Sequential data, the process of sequential arrangement includes: arrange the transmission data whose memory value corresponds to the first data memory value in the key to the first place, and transfer the memory value corresponding to the second data memory value in the key The data is sorted to the second position, and so on, until the transmission data whose memory value corresponds to the nth data memory value in the key is sorted to the last position, and the characters in the new sequence data are arranged according to (1, 1), (2,1),...,(n,1),(2,1),(2,2),...,(n,1),(n,2),...,(1,x),(2 , x), ..., (n, x) are sorted and restored to get the original data, where (1, 1) represents the first character of the first transmitted data, (n, x) represents the xth of the nth transmitted data characters.

As a preferred embodiment of the present invention, the specific process for the access verification module to verify and analyze the legality of data transfer includes: marking the system time when the original data is received as the transfer time, obtaining the timestamp in the original data, and The time difference between the retrieval time and the timestamp is marked as the retrieval duration, and the retrieval range is obtained through the storage module, and the retrieval duration is compared with the retrieval range: if the retrieval duration is within the retrieval range, the data is judged If the retrieval legality meets the requirements, the access verification module will send the original data to the server; if the retrieval duration is outside the retrieval range, it will be determined that the data retrieval legality does not meet the requirements, and the access verification module will delete the original data and send it to the server Illegal calling of signal.

As a preferred embodiment of the present invention, the specific process for the external monitoring unit to monitor and analyze the external influence data transmitted by the computer includes: obtaining the temperature data WD, humidity data SD and magnetic field data CC of the computer, and by analyzing the temperature data of the computer WD, humidity data SD and magnetic field data CC are numerically calculated to obtain the external coefficient WB of the computer; the external threshold WBmax is obtained through the storage module, and the external coefficient WB of the computer is compared with the external threshold WBmax: if the external coefficient WB is smaller than the external threshold WBmax, It is determined that the external environment of the computer meets the requirements; if the external coefficient WB is greater than or equal to the external threshold WBmax, it is determined that the external environment of the computer does not meet the requirements, the external monitoring unit sends an external abnormal signal to the server, and the server sends the external abnormal signal to the server after receiving the external abnormal signal. Send it to the mobile terminal of the administrator.

As a preferred embodiment of the present invention, the acquisition process of the temperature data WD includes: acquiring the temperature values of each side of the host computer and summing and taking the average value to obtain the temperature data WD; the acquisition process of the humidity data SD includes: acquiring the temperature values inside the host computer The humidity value and humidity range of the air, mark the average value of the maximum value and the minimum value of the humidity range as the humidity mean value, mark the absolute value of the difference between the air humidity value and the humidity mean value as the humidity data SD, and the acquisition process of the magnetic field data CC The method includes: obtaining the magnetic field radiation amount and the coupling degree of the environment where the computer host is located, and marking the product of the magnetic field radiation amount and the coupling degree as the magnetic field data CC.

As a preferred embodiment of the present invention, the specific process for the user monitoring unit to monitor and analyze the user's password habit includes: obtaining the user's login password and marking it as a contrast character, obtaining the user's historical login password and marking it as a historical character group, Contrasting and analyzing the comparison character with the historical character group: randomly select a historical character group as the marking character, if each character in the comparison character has its corresponding character in the marking character, then it is determined that the marking character and the comparison character are not contrasted. Qualified, the user password needs to be adjusted, and the user monitoring unit sends a password adjustment signal to the server; otherwise, it is judged that the marked character and the comparison character are qualified, and the historical character is re-selected as the marked character for comparison until all historical characters are moved. After comparing the characters, the comparison is completed and the comparison is qualified, and the last time the user modifies the password is obtained, and the time difference between the current system time and the last time the user modifies the password is marked as the password persistence value, and the password persistence threshold is obtained through the storage module, and the password persistence value is compared with the password persistence threshold: if the password persistence value is less than the password persistence threshold, it is determined that the user’s password habits meet the requirements; The server sends a password adjustment signal.

The working method of the data security transmission system of the computer comprises the following steps:

Step 1: Encrypt the data transmitted by the computer: mark the data to be transmitted as an encrypted object, randomly extract a number from the number set and mark it as a group value n, sort the encrypted objects to obtain n groups of transmitted data, and pass The memory value of the transmitted data generates a key, and the key and the data packet are sent to the server for encrypted data transmission;

Step 2: Decrypt the data during data retrieval: Arrange the n sets of transmission data in the data packet according to the data memory values in the key to obtain the new sequence data, and sort and restore the characters in the new sequence data to obtain Raw data;

Step 3: Verify and analyze the legitimacy of data retrieval: mark the system time when the original data is received as the retrieval time, obtain the timestamp in the original data, and mark the time difference between the retrieval time and the timestamp as the retrieval time Duration, the retrieval range is obtained through the storage module, the retrieval duration is compared with the retrieval range, and the legitimacy of the data retrieval is judged based on the comparison result;

Step 4: Perform auxiliary monitoring and analysis on the data transmission process of the computer and obtain the external coefficient and password persistence value, and judge whether the external environment and user password habits meet the requirements through the numerical values of the external coefficient and password persistence value.

The present invention has following beneficial effect:

1. Through the data encryption module, the data transmitted by the computer can be encrypted, and the data packet can be generated by data reorganization. At the same time, the corresponding key can be generated according to the reorganization logic, so as to simplify the data encryption process and improve the packet capture time by means of data reorganization. Data security, verify the legitimacy of data retrieval by stamping time stamps to further ensure the security of data transmission, combined with the data decryption module for data decryption and reorganization;

2. Through the external monitoring unit, the external influence data of computer data transmission can be monitored and analyzed, and the external coefficient can be obtained by calculating various environmental parameters of the computer hardware, and the external environment of the computer can be monitored through the numerical value of the external coefficient. When the environment does not meet the requirements, early warning is given in time to minimize the influence of external factors on computer data transmission;

3. The user monitoring unit can monitor and analyze the user's password habit, and monitor the password security by monitoring the user's password setting habit and password modification habit, so as to remind the user of password adjustment in time, thereby increasing the difficulty of cracking the user's password .

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a system block diagram of Embodiment 1 of the present invention;

Fig. 2 is a flow chart of the method of Embodiment 2 of the present invention.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Embodiment one

As shown in Figure 1, the data security transmission system of the computer includes a server, and the communication connection of the server includes a data encryption module, a data decryption module, an access verification module, an auxiliary monitoring module and a storage module.

The data encryption module is used to encrypt the data transmitted by the computer: mark the data to be transmitted as an encrypted object, randomly extract a number from the number set and mark it as a group value n, n is a number that can be divisible by the number of characters of the encrypted object Positive integer, character sorting for encrypted objects, the first group of transmission data is composed of characters corresponding to character serial numbers 1, 1+n, 1+2n, ..., 1+xn, and characters 2, 2+n, 2+2n, ..., the characters corresponding to 2+xn constitute the second group of transmission data, and so on, until the encrypted object is decomposed into n groups of transmission data, the data memory value of each group of transmission data is obtained, and the data memory value is arranged according to the arrangement of the transmission data Combine to obtain the key, generate data packets according to the random order of n groups of transmission data, stamp the generation time of the data packets, and send the key and data packets to the server for data encrypted transmission; data transmitted by the computer Encryption processing, generate data packets by means of data reorganization, and generate corresponding keys according to reorganization logic, simplify the data encryption process, improve data security when capturing packets by means of data reorganization, and adjust data by stamping time stamps The legality is verified to further ensure the security of data transmission, and data decryption and reorganization are performed in combination with the data decryption module.

The data decryption module is used to decrypt the data when the data is retrieved: arrange the n sets of transmission data in the data packet in order according to the data memory value in the key to obtain the new sequence data. The process of ordering includes: the memory value The transmission data corresponding to the first data memory value in the key is sorted first, the transmission data corresponding to the second data memory value in the key is sorted to the second position, and so on, until Arrange the transmission data whose memory value corresponds to the nth data memory value in the key to the last bit, and arrange the characters in the new sequence data according to (1, 1), (2, 1), ..., (n, 1 ), (2, 1), (2, 2), ..., (n, 1), (n, 2), ..., (1, x), (2, x), ..., (n, x) Sort and restore to get the original data, where (1, 1) represents the first character of the first transmitted data, (n, x) represents the xth character of the nth transmitted data; the data decryption module sends the original data to the server , the server sends the original data to the access verification module after receiving the original data.

The access verification module is used to verify and analyze the legality of data retrieval: mark the system time when the original data is received as the retrieval time, obtain the timestamp in the original data, and mark the time difference between the retrieval time and the timestamp as Retrieve the duration, obtain the retrieval range through the storage module, and compare the retrieval duration with the retrieval range: if the retrieval duration is within the retrieval range, it is determined that the data retrieval legitimacy meets the requirements, and the access verification module will The data is sent to the server; if the retrieval time is outside the retrieval range, it is determined that the legality of the data retrieval does not meet the requirements, and the access verification module deletes the original data and sends an illegal retrieval signal to the server.

The auxiliary monitoring module is used for auxiliary monitoring and analysis of the data transmission process of the computer. The auxiliary monitoring module includes an external monitoring unit and a user monitoring unit; the external monitoring unit is used for monitoring and analyzing the external influence data of the computer data transmission: obtaining the temperature data of the computer WD, humidity data SD, and magnetic field data CC. The acquisition process of temperature data WD includes: acquiring the temperature values on each side of the computer mainframe and summing and taking the average value to obtain temperature data WD. The acquisition process of humidity data SD includes: obtaining the internal temperature of the computer mainframe The humidity value and humidity range of the air, mark the average value of the maximum value and the minimum value of the humidity range as the humidity mean value, mark the absolute value of the difference between the air humidity value and the humidity mean value as the humidity data SD, and the acquisition process of the magnetic field data CC Including: obtaining the magnetic field radiation amount and coupling degree of the environment where the computer host is located, marking the product of the magnetic field radiation amount and coupling degree as magnetic field data CC, and obtaining the external Coefficient WB, where α1, α2, and α3 are proportional coefficients, and α3>α2>α1>1; the external threshold WBmax is obtained through the storage module, and the external coefficient WB of the computer is compared with the external threshold WBmax: if the external coefficient WB is less than If the external threshold WBmax, it is determined that the external environment of the computer meets the requirements; if the external coefficient WB is greater than or equal to the external threshold WBmax, it is determined that the external environment of the computer does not meet the requirements, the external monitoring unit sends an external abnormal signal to the server, and the server receives the external abnormal signal. Send the external abnormal signal to the mobile phone terminal of the management personnel; monitor and analyze the external influence data of the computer data transmission, calculate the external coefficient through the calculation of various environmental parameters of the computer hardware, and monitor the external environment of the computer through the value of the external coefficient , when the external environment of the computer does not meet the requirements, it will give early warning in time, and minimize the influence of external factors on computer data transmission.

The user monitoring unit is used to monitor and analyze the user's password habits: obtain the user's login password and mark it as a comparison character, obtain the user's historical login password and mark it as a historical character group, and compare and analyze the comparison character with the historical character group: random Select a historical character group as the marking character, if each character in the comparison character has its corresponding character in the marking character, then it is judged that the marking character and the contrasting character are unqualified, the user password needs to be adjusted, and the user monitoring unit sends a message to the server Send a password adjustment signal; otherwise, it is judged that the comparison between the marked character and the comparison character is qualified, and the historical character is re-selected as the marked character for comparison until all the historical characters are moved. When the user modifies the password, the time difference between the current system time and the last time the user modifies the password is marked as the password persistence value, the password persistence threshold is obtained through the storage module, and the password persistence value is compared with the password persistence threshold: if the password persistence value If it is less than the password persistence threshold, it is determined that the user’s password habits meet the requirements; if the password persistence value is greater than or equal to the password persistence threshold, it is determined that the user’s password habits do not meet the requirements, and the user monitoring unit sends a password adjustment signal to the server; Monitoring and analysis monitors password security by monitoring users' password setting habits and password modification habits, so as to remind users of password adjustments in a timely manner, thereby increasing the difficulty of cracking user passwords.

Embodiment two

As shown in Figure 2, the computer data security transmission method comprises the following steps:

Step 1: Encrypt the data transmitted by the computer: mark the data to be transmitted as an encrypted object, randomly extract a number from the number set and mark it as a group value n, sort the encrypted objects to obtain n groups of transmitted data, and pass The memory value of the transmitted data generates a key, and the key and the data packet are sent to the server for data encryption transmission, which simplifies the data encryption process and improves the data security when capturing packets through data reorganization;

Step 2: Decrypt the data during data retrieval: Arrange the n sets of transmission data in the data packet according to the data memory values in the key to obtain the new sequence data, and sort and restore the characters in the new sequence data to obtain Raw data;

Step 3: Verify and analyze the legitimacy of data retrieval: mark the system time when the original data is received as the retrieval time, obtain the timestamp in the original data, and mark the time difference between the retrieval time and the timestamp as the retrieval time Duration, the retrieval range is obtained through the storage module, the retrieval duration is compared with the retrieval range and the legality of the data retrieval is judged based on the comparison result. When the external environment of the computer does not meet the requirements, an early warning is issued in time, and the computer data The degree to which the transmission is affected by external factors is minimized;

Step 4: Perform auxiliary monitoring and analysis on the data transmission process of the computer and obtain the external coefficient and password persistence value, and judge whether the external environment and user password habits meet the requirements through the numerical values of the external coefficient and password persistence value. When the requirements are not met, the user will be reminded to adjust the password, thereby increasing the difficulty of cracking the user's password.

The computer's data security transmission system, when working, encrypts the data transmitted by the computer: mark the data to be transmitted as an encrypted object, randomly extract a number from the number set and mark it as a group value n, and sort the encrypted objects Get n sets of transmission data, generate a key by the memory value of the transmission data, send the key and data packet to the server for data encryption and transmission; decrypt the data when calling the data: transfer n sets of transmission data in the data packet According to the order of the data memory value in the key, the new sequence data is obtained, and the characters in the new sequence data are sorted and restored to obtain the original data; the validity of the data retrieval is verified and analyzed: the system time of the received original data is marked as Retrieve the time, obtain the timestamp in the original data, mark the time difference between the retrieval time and the timestamp as the retrieval duration, and provide feedback on the legitimacy of the data retrieval through the retrieval duration.

The above content is only an example and description of the structure of the present invention. Those skilled in the art make various modifications or supplements to the described specific embodiments or replace them in similar ways, as long as they do not deviate from the structure of the invention or Anything beyond the scope defined in the claims shall belong to the protection scope of the present invention.

The above formulas are obtained by collecting a large amount of data for software simulation and selecting a formula close to the real value. The coefficients in the formula are set by those skilled in the art according to the actual situation; for example: formula WB=α1*WD+α2*SD+ α3*CC; multiple sets of sample data are collected by those skilled in the art and corresponding external coefficients are set for each set of sample data; the set external coefficients and collected sample data are substituted into the formula, and any three formulas form a ternary linear equation group, filter the calculated coefficients and take the mean value, and obtain the values of α1, α2 and α3 as 2.35, 3.68 and 5.79 respectively;

The size of the coefficient is a specific value obtained by quantifying each parameter, which is convenient for subsequent comparison. The size of the coefficient depends on the amount of sample data and the initial setting of the corresponding external coefficient for each set of sample data by those skilled in the art. ; As long as the proportional relationship between the parameter and the quantized value is not affected, for example, the external coefficient is directly proportional to the value of the magnetic field data.

In the description of this specification, descriptions with reference to the terms "one embodiment", "example", "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment of the present invention. In an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments do not exhaust all details nor limit the invention to only specific embodiments. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (7)

1. The data security transmission system of the computer is characterized by comprising a server, wherein the server is in communication connection with a data encryption module, a data decryption module, an access verification module, an auxiliary monitoring module and a storage module;

the data encryption module is used for encrypting data transmitted by a computer: marking data to be transmitted as an encryption object, randomly extracting a number in a number set and marking the number as a group value n, carrying out character sequencing on the encryption object, forming a first group of transmission data by characters corresponding to character numbers 1,1+n,1+2n, … and 1+xn, forming a second group of transmission data by characters corresponding to characters 2,2+n,2+2n, … and 2+xn, and so on until the encryption object is decomposed into n groups of transmission data, acquiring a data memory value of each group of transmission data, combining the data memory values according to the arrangement mode of the transmission data to obtain a secret key, generating a data packet by the n groups of transmission data according to the random arrangement sequence, carrying out time stamping on the generation time of the data packet, and sending the secret key and the data packet to a server for data encryption transmission;

the data decryption module is used for decrypting the data to obtain original data when the data is called, the original data is sent to the server, and the server sends the original data to the access verification module after receiving the original data;

the access verification module is used for verifying and analyzing the validity of the data access;

the auxiliary monitoring module is used for carrying out auxiliary monitoring analysis on the data transmission process of the computer and comprises an external monitoring unit and a user monitoring unit; the external monitoring unit is used for monitoring and analyzing external influence data of computer data transmission; the user monitoring unit is used for monitoring and analyzing the password habit of the user.

2. The system for securely transmitting data of a computer according to claim 1, wherein the data decryption module decrypts the data when the data is retrieved, comprising: the method comprises the steps of sequentially arranging n groups of transmission data in a data packet according to data memory values in a secret key to obtain new data, wherein the sequential arrangement process comprises the following steps: and (3) arranging the transmission data of which the memory value corresponds to the first data memory value in the key to the first bit, arranging the transmission data of which the memory value corresponds to the second data memory value in the key to the second bit, and so on until the transmission data of which the memory value corresponds to the nth data memory value in the key to the last bit, and arranging the characters in the new sequence data according to (1, 1), (2, 1), …, (n, 1), (2, 2), …, (n, 1), (n, 2), …, (1, x), (2, x), …, (n, x) to perform sorting and restoring to obtain original data, wherein (1, 1) represents the first character of the first transmission data and (n, x) represents the xth character of the nth transmission data.

3. The system for securely transmitting data of a computer according to claim 1, wherein the specific process of verifying and analyzing the validity of the data call by the access verification module comprises: marking the system time of receiving the original data as a calling time, acquiring a time stamp in the original data, marking a time difference value between the calling time and the time stamp as a calling duration, acquiring a calling range through a storage module, and comparing the calling duration with the calling range: if the calling duration is within the calling range, judging that the data calling legitimacy meets the requirement, and sending the original data to a server by the access verification module; if the calling duration is outside the calling range, judging that the data calling legitimacy does not meet the requirement, deleting the original data by the access verification module and sending an illegal calling signal to the server.

4. The system for securely transmitting data of a computer according to claim 1, wherein the specific process of monitoring and analyzing the external influence data of the data transmission of the computer by the external monitoring unit comprises: acquiring temperature data WD, humidity data SD and magnetic field data CC of a computer, and obtaining an external coefficient WB of the computer by carrying out numerical calculation on the temperature data WD, the humidity data SD and the magnetic field data CC of the computer; the external threshold value WBmax is acquired through the storage module, and the external coefficient WB of the computer is compared with the external threshold value WBmax: if the external coefficient WB is smaller than the external threshold WBmax, judging that the external environment of the computer meets the requirement; if the external coefficient WB is larger than or equal to an external threshold WBmax, the external environment of the computer is judged to not meet the requirement, the external monitoring unit sends an external abnormal signal to the server, and the server sends the external abnormal signal to the mobile phone terminal of the manager after receiving the external abnormal signal.

5. The data security transmission system of a computer according to claim 4, wherein the process of acquiring the temperature data WD includes: the temperature values of all sides of the computer host are obtained, summation and average value obtaining are carried out, and the obtaining process of the temperature data WD and the humidity data SD comprises the following steps: acquiring a humidity value and a humidity range of air in a computer host, marking an average value of a maximum value and a minimum value of the humidity range as a humidity average value, marking an absolute value of a difference value between the air humidity value and the humidity average value as humidity data SD, and acquiring magnetic field data CC, wherein the acquiring process comprises: and acquiring the magnetic field radiation quantity and the coupling degree of the environment where the computer host is located, and marking the product of the magnetic field radiation quantity and the coupling degree as magnetic field data CC.

6. The system for securely transmitting data of a computer according to claim 1, wherein the specific process of monitoring and analyzing the cryptographic habit of the user by the user monitoring unit comprises: the login password of the user is obtained and marked as a comparison character, the historical login password of the user is obtained and marked as a historical character set, and the comparison character and the historical character set are subjected to comparison analysis: randomly selecting a history character group as a marking character, if each character in the comparison characters has a character corresponding to the character in the marking characters, judging that the marking characters are unqualified in comparison with the comparison characters, and the user password needs to be adjusted, wherein the user monitoring unit sends a password adjustment signal to the server; otherwise, judging that the marked character is qualified by contrast with the contrast character, re-selecting the history character as the marked character for comparison until all the history characters are completely compared with the contrast character and the contrast is qualified, obtaining the time of the last time of user modification of the password, marking the time difference value between the current system time and the last time of user modification of the password as a password continuous value, obtaining a password continuous threshold value through a storage module, and comparing the password continuous value with the password continuous threshold value: if the password persistence value is smaller than the password persistence threshold value, judging that the password habit of the user meets the requirement; if the password duration value is greater than or equal to the password duration threshold, judging that the password habit of the user does not meet the requirement, and sending a password adjustment signal to the server by the user monitoring unit.

7. A data security transmission system of a computer according to any one of claims 1-6, characterized in that the method of operating the data security transmission system of the computer comprises the steps of:

step one: encrypting data transmitted by a computer: marking data to be transmitted as an encryption object, randomly extracting a number from a number set and marking the number as a group value n, performing character sequencing on the encryption object to obtain n groups of transmission data, generating a key through a memory value of the transmission data, and sending the key and a data packet to a server for data encryption transmission;

step two: and carrying out decryption processing on the data when the data is called: sequentially arranging n groups of transmission data in the data packet according to the data memory value in the secret key to obtain new sequence data, and sequencing and restoring characters in the new sequence data to obtain original data;

step three: and verifying and analyzing the validity of the data call: marking the system time of the received original data as a calling time, acquiring a time stamp in the original data, marking a time difference value between the calling time and the time stamp as a calling duration, acquiring a calling range through a storage module, comparing the calling duration with the calling range, and judging the validity of the data calling through a comparison result;

step four: and carrying out auxiliary monitoring analysis on the data transmission process of the computer, obtaining an external coefficient and a password continuous value, and respectively judging whether the external environment and the password habit of the user meet the requirements or not according to the numerical values of the external coefficient and the password continuous value.

Images