CN115982739A - Method and system for protecting data of low-code development platform - Google Patents
Method and system for protecting data of low-code development platform Download PDFInfo
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Abstract
The invention discloses a method and a system for protecting data of a low-code development platform, wherein the method comprises the following steps: the remote server generates low-code development platform software of a virtual instruction version; the local client replaces the low-code development platform software of the plain text instruction version with the low-code development platform software of the virtual instruction version; a user develops a low-code program based on the low-code development platform software of the virtual instruction version; encrypting user data and source code of the low-code program; the remote server decrypts the user data and source code of the encrypted low-code program. The invention effectively ensures the safety and the stability of the low-code development platform software and maintains the rights and interests of users of the low-code development platform by generating the low-code development platform software of the virtual instruction version and homomorphically encrypting the developed low-code program to carry out double protection on the low-code development platform, thereby having certain engineering application value.
Description
Technical Field
The invention relates to the field of computer software security, in particular to a method and a system for protecting data of a low-code development platform.
Background
The low-code development platform is a development platform which can rapidly complete the development of the application program without writing codes or only writing a small amount of codes, and developers with different experience levels can rapidly create various application programs by setting module parameters, dragging module components, connecting module interfaces and other graphical operation modes.
Low code development platforms also face increasingly complex and severe security risks while helping developers develop application software more quickly. Some hackers and industry competitors try to implement illegal actions such as injecting malicious programs, snooping and hijacking software, stealing core algorithms, extracting confidential data and the like by cracking codes, and the operation safety of a low-code development platform is seriously damaged. At present, although some security mechanisms are introduced into part of low-code development platforms, a protection system with complete functions is not formed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a method and a system for protecting data of a low-code development platform.
The invention provides a method for protecting data of a low-code development platform, which comprises the following steps:
the remote server generates low-code development platform software of a virtual instruction version and sends the low-code development platform software to the local client;
the local client receives the low-code development platform software of the virtual instruction version, and replaces the low-code development platform software of the plaintext instruction version with the low-code development platform software of the virtual instruction version;
a user develops a low-code program based on the low-code development platform software of the virtual instruction version;
after the development is finished, the low-code development platform software of the virtual instruction version encrypts user data and source codes of the low-code program to generate an encrypted low-code program;
and the local client sends the encrypted user data and the source code of the low-code program to a remote server, and the remote server decrypts the encrypted user data and the source code of the low-code program.
Further, the remote server generating the low code development platform software of the virtual instruction version comprises:
the remote server reads the low-code development platform software of the plaintext instruction version of the local client, and extracts a plaintext instruction set of the low-code development platform software of the plaintext instruction version;
and converting the plaintext instruction set into a virtual instruction set, and generating low-code development platform software of a virtual instruction version based on the virtual instruction set.
Further, the converting the plaintext instruction set into a virtual instruction set includes:
and randomly converting the plaintext instructions in the plaintext instruction set of the low-code development platform software of the plaintext instruction version into virtual instructions in a virtual instruction set based on a mapping conversion mode, wherein the virtual instructions are randomly generated character strings with equal length.
Furthermore, the mapping conversion mode is that one plaintext instruction corresponds to a plurality of virtual instructions.
Further, the user developing a low-code program based on the low-code development platform software of the virtual instruction version comprises:
the user develops the low-code program based on a command line operation or an interface operation.
Further, the encrypting, by the low-code development platform software of the virtual instruction version, the user data and the source code of the low-code program includes:
and the low-code development platform software of the virtual instruction version encrypts the user data and the source code of the low-code program based on a homomorphic encryption algorithm.
Further, the encrypting, by the low-code development platform software of the virtual instruction version, the user data and the source code of the low-code program based on the homomorphic encryption algorithm includes:
converting the user data of the low-code program and the character string plaintext of the source code into a byte stream plaintext;
converting the byte stream plaintext into a byte stream ciphertext based on a public key and a private key of low-code development platform software;
and writing the byte stream ciphertext into the low-code program.
Further, the sending, by the local client, the encrypted user data and the source code of the low-code program to the remote server, where the decrypting, by the remote server, the encrypted user data and the source code of the low-code program includes:
after a user develops and finishes the low-code program, the low-code development platform software of the virtual instruction version encrypts the low-code program and runs the encrypted low-code program, and then the local client sends user data and source codes in the encrypted low-code program to a remote server;
and the remote server decrypts the user data and the source code of the encrypted low-code program and sends the decrypted user data and the decrypted source code of the low-code program back to the local client.
Further, the method further comprises:
when the user needs to check the user data and the source code of the encrypted low-code program, the remote server decrypts the user data and the source code of the encrypted low-code program based on a homomorphic encryption algorithm and sends the user data and the source code of the decrypted low-code program back to the local client.
The invention also provides a data protection system of the low code development platform, which comprises a local client and a remote server, wherein the local client is connected with the remote server based on a network, and the local client and the remote server are configured to be used for executing the data protection method of the low code development platform.
According to the invention, a plaintext instruction set is converted into a randomly generated virtual instruction set in a one-to-many mapping mode, one plaintext instruction set corresponds to a plurality of virtual instruction sets to generate low-code development platform software of a virtual instruction version, homomorphic encryption is carried out on user data and source codes of a developed low-code program, and double protection is carried out on the low-code development platform by adopting two protection means of code virtualization and homomorphic encryption, so that the safety and stability of the low-code development platform software are effectively guaranteed, and the rights and interests of users of the low-code development platform are maintained; the method provides two operation modes of command line operation and interface operation, adopts a modular design, improves compatibility while ensuring that the development parameter configuration can be completed more quickly and accurately, and has certain engineering application value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow diagram of a method for low code development platform data protection in an embodiment of the invention;
FIG. 2 is a flow diagram of the low code development platform software for the remote server to generate a version of virtual instructions in an embodiment of the present invention;
fig. 3 is a flowchart of the low-code development platform software of the virtual instruction version encrypting the user data and the source code of the low-code program according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, it is to be understood that terms such as "including" or "having," etc., are intended to indicate the presence of the disclosed features, numerals, steps, actions, components, parts, or combinations thereof in the specification, and are not intended to preclude the possibility that one or more other features, numerals, steps, actions, components, parts, or combinations thereof are present or added.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The embodiment of the invention relates to a method for protecting data of a low-code development platform, which comprises the following steps: the remote server generates low-code development platform software of a virtual instruction version and sends the low-code development platform software to the local client; the local client receives the low-code development platform software of the virtual instruction version, and replaces the low-code development platform software of the plaintext instruction version with the low-code development platform software of the virtual instruction version; a user develops a low-code program based on the low-code development platform software of the virtual instruction version; after the development is finished, the low-code development platform software of the virtual instruction version encrypts user data and source codes of the low-code program to generate an encrypted low-code program; and the local client sends the encrypted user data and the source code of the low-code program to a remote server, and the remote server decrypts the encrypted user data and the source code of the low-code program.
In an optional implementation manner of this embodiment, as shown in fig. 1, fig. 1 shows a flowchart of a method for protecting data of a low code development platform in an embodiment of the present invention, where the method includes the following steps:
s101, a remote server generates low-code development platform software of a virtual instruction version and sends the low-code development platform software to a local client;
in an alternative implementation manner of this embodiment, as shown in fig. 2, fig. 2 is a flowchart illustrating a software flow of a low code development platform for generating a virtual instruction version by a remote server in an embodiment of the present invention, and includes the following steps:
s201, a remote server reads low-code development platform software of a plaintext instruction version of a local client, and extracts a plaintext instruction set of the low-code development platform software of the plaintext instruction version;
in an optional implementation manner of this embodiment, the remote server determines a file type of the low-code development platform software of the plaintext instruction version, reads the low-code development platform software of the plaintext instruction version, and extracts a plaintext instruction set of the low-code development platform software of the plaintext instruction version.
Specifically, the plaintext instruction set is a set composed of a certain number of single plaintext instructions, where a single plaintext instruction is composed of codes of a programming language supported by the low-code development platform software, and the low-code development platform software needs to run by means of the plaintext instruction.
In an optional implementation manner of this embodiment, the low-code development platform software supports multiple mainstream programming languages, including C + +, java, python, and the like.
In an optional implementation manner of this embodiment, before the remote server reads the low-code development platform software of the plaintext instruction version, parameter configuration and actual running deployment of the remote server need to be performed based on command line operation or graphical interface operation.
In an alternative implementation manner of this embodiment, the low-code development platform software is in a modular design.
The remote server extracts a plaintext instruction set of the low-code development platform software of the plaintext instruction version, and can provide a basis for virtualizing the plaintext instruction set in the following steps; the parameter configuration and actual operation deployment of the remote server are carried out based on command line operation or graphical interface operation, and modular design is adopted, so that the development flexibility and compatibility are improved.
S202, converting the plaintext instruction set into a virtual instruction set, and generating low-code development platform software of a virtual instruction version based on the virtual instruction set;
in an optional implementation manner of this embodiment, the remote server converts the plain text instruction set into a virtual instruction set, and generates low-code development platform software of a virtual instruction version based on the virtual instruction set.
Specifically, the remote server randomly converts the plaintext instructions in the plaintext instruction set of the low-code development platform software of the plaintext instruction version into virtual instructions in the virtual instruction set based on a mapping conversion mode.
Specifically, the remote server converts keywords in the plaintext instruction set consisting of binary files into virtual instructions based on a mapping conversion mode through a virtualizer arranged in the remote server, and the converted virtual instructions are recombined into a set of virtual instruction set.
More, the mapping relationship between the plaintext instructions in the plaintext instruction set and the virtual instructions in the virtual instruction set is realized through a bag-of-words model, the bag-of-words model is divided into a plaintext instruction bag-of-words model and a virtual instruction bag-of-words model, the plaintext instruction bag-of-words model includes all keywords in the plaintext instructions, the virtual instruction bag-of-words model includes all keywords in the virtual instruction bag-of-words model, and the keywords in the plaintext instruction bag-of-words model correspond to the keywords in the virtual instruction bag-of-words model.
It should be noted that the mapping conversion manner is a one-to-many mapping conversion manner in which one plaintext instruction is correspondingly converted into a plurality of virtual instructions.
Specifically, it is required that one plaintext instruction in the plaintext instruction bag-of-words model corresponds to a plurality of virtual instructions in the virtual instruction bag-of-words model, and therefore, the number of words included in the virtual instruction bag-of-words model is much larger than the number of words included in the plaintext instruction bag-of-words model.
The virtual instruction is a randomly generated character string with equal length, and the uniqueness is ensured through high confusion.
The plaintext instructions in the plaintext instruction set are virtualized into the virtual instructions in the virtual instruction set, code restoration is effectively prevented, the virtual instructions are not fixed but are randomly generated, and a one-to-many mapping conversion mode is adopted, so that the decoding is more difficult to crack compared with a one-to-one mapping mode, and the safety of the low-code development platform software is enhanced.
And S203, sending the generated low-code development platform software of the virtual instruction version to a local client.
Here the remote server sends the generated virtual instruction version of the low code development platform software to the local client over the network.
It should be noted that, when the remote server communicates with the local client, identity authentication is required.
Specifically, the local client downloads a public key of the remote server, generates a private key of the local client, and encrypts the public key of the remote server based on the private key of the local client to generate a digital signature of the local client.
And more, the local client sends the digital signature of the local client to a remote server, the remote server decrypts the digital signature of the local client based on the public key of the remote server and compares the digital signature with the public key of the remote server, and if the comparison is successful, the remote server passes the identity authentication of the local client.
The remote server performs identity authentication on the local client, and prevents malicious programs from forging so as to steal data of the low-code development platform software.
S102, the local client receives the low-code development platform software of the virtual instruction version, and replaces the low-code development platform software of the plaintext instruction version with the low-code development platform software of the virtual instruction version;
in an optional implementation manner of this embodiment, after receiving the low-code development platform software of the virtual instruction version, the local client performs a trial operation, and after the trial operation determines that the low-code development platform software of the virtual instruction version can normally operate, replaces the low-code development platform software of the plaintext instruction version with the low-code development platform software of the virtual instruction version.
A trial operation link is set, so that the low-code development platform software of the virtual instruction version sent by the remote server can normally operate, and the development efficiency is improved.
S103, a user develops a low-code program based on the low-code development platform software of the virtual instruction version;
in an alternative implementation of this embodiment, the user develops the low-code program based on a command line operation or an interface operation.
Specifically, a user can develop a low-code program through interface operation of modular design commonly used by conventional low-code development platform software, and can also select command line operation for inputting simple codes for development.
The low-code development platform software provides multiple operation development modes, and a user can select the low-code development platform software according to actual requirements, so that the development flexibility is improved.
S104, after the development is completed, the low-code development platform software of the virtual instruction version encrypts user data and source codes of the low-code program to generate an encrypted low-code program;
in an optional implementation manner of this embodiment, the low-code development platform software of the virtual instruction version encrypts the user data and the source code of the low-code program based on an RSA homomorphic encryption algorithm.
Specifically, the RSA homomorphic algorithm (RSA algorithm) is an asymmetric encryption algorithm, and uses different cryptosystems of encryption keys and decryption keys, where the keys include a public key and a private key, where the public key is a key that is public to the outside, and the private key is stored by a user.
In an optional implementation manner of this embodiment, as shown in fig. 3, fig. 3 is a flowchart illustrating that the low-code development platform software of the virtual instruction version encrypts user data and source code of the low-code program in this embodiment of the present invention, and includes the following steps:
s301, converting the user data of the low-code program and the character string plaintext of the source code into a byte stream plaintext;
the low-code development platform software of the virtual instruction version converts the character string formed by the user data and the source code of the low-code program into the byte stream plaintext.
In an alternative implementation manner of this embodiment, for a low-code program written in C + +, the ASCII value of the low-code program is equal to the ASCII value of the character stored in the current low-code program minus 0 ASCII value, and another ASCII value is obtained, and this ASCII value can be used as the size of the value for converting the plain text of the character string into the plain text of the byte stream, and the ASCII value of "0" is 0 × 30 in hexadecimal, and if "C" is character 6, the corresponding ASCII value of character 6 is 0 × 36, so that the plain text of the character string can be converted into the plain text of the byte stream based on the ASCII value.
In an alternative implementation manner of this embodiment, for a low-code program written by Java, the string plaintext may be converted into an output form or an input form of the byte stream plaintext through an OutputStreamWriter conversion stream or an InputStreamReader conversion stream, respectively.
In an optional implementation manner of this embodiment, for a low-code program written by Python, a byte construction function bytes (encoding) may be used, a specified encoding may be used to obtain a byte array from a character string, and a str.
The method provides a mode of converting character string plaintext into byte stream plaintext for low-code programs written by different programming languages, and has excellent compatibility.
S302, converting the byte stream plaintext into a byte stream ciphertext based on a public key and a private key of low-code development platform software;
in an optional implementation manner of this embodiment, the low-code development platform software of the virtual instruction version converts the byte stream plaintext into the byte stream ciphertext by using an RSA homomorphic encryption algorithm.
Specifically, the low-code development platform software of the virtual instruction version encrypts the byte stream plaintext by adopting an RSA algorithm based on a public key of the low-code development platform software, wherein a byte stream ciphertext = the byte stream plaintext E mod N, where: and (E, N) is a public key.
The user data and the source code of the low-code program are encrypted based on the RSA homomorphic algorithm, so that the low-code program developed based on the low-code development platform software is effectively protected from being cracked and plagiarized.
And S303, writing the byte stream ciphertext into the low-code program.
In an optional implementation manner of this embodiment, the byte stream cipher text is written into the low-code program, and replaces a plaintext code in the original low-code program, so as to generate an encrypted low-code program.
S105, the local client sends the encrypted user data and the source code of the low-code program to a remote server, and the remote server decrypts the encrypted user data and the source code of the low-code program.
In an optional implementation manner of this embodiment, when a user develops and completes the low-code program and performs trial operation on the low-code program, because the low-code program at this time is encrypted by the low-code development platform software of the virtual instruction version based on the RSA homomorphic algorithm, the generated encrypted low-code program cannot normally operate, if the user wants to perform trial operation on the encrypted low-code program at this time, the local client sends user data and source codes in the encrypted low-code program to the remote server, the remote server decrypts the user data and source codes in the encrypted low-code program based on an interpreter disposed in the remote server and sends the user data and source codes in the decrypted low-code program back to the local client, and the local client restores the user data and source codes in the decrypted low-code program to the low-code program before the encryption after replacing the user data and source codes in the encrypted low-code program correspondingly.
Specifically, a low-code program developed by the low-code development platform software of the virtual instruction version cannot be directly run and can be run only after decryption processing is carried out by an interpreter in a remote server, so that core running data and source codes of the low-code program cannot be easily cracked after the low-code program is cracked and plagiarized, and the safety of the low-code development platform is improved.
Specifically, the interpreter arranged on the remote server decrypts the user data and the byte stream ciphertext of the source code in the encrypted low-code program by adopting an RSA algorithm, wherein the byte stream plaintext = the byte stream ciphertext D mod N, where: and (D, N) is a private key.
In an optional implementation manner of this embodiment, the remote server caches and decrypts the user data and the source code in the encrypted low-code program sent by the local client.
In an optional implementation manner of this embodiment, when a user needs to view user data and a source code in the encrypted low-code program, the remote server decrypts a byte stream cipher text of the encrypted user data and the source code of the low-code program based on an RSA homomorphic encryption algorithm to generate a decrypted low-code program, and sends the user data and the source code in the decrypted low-code program to the local client, so that the user can view the user data and the source code at the local client.
To sum up, the embodiment of the present invention, through a method for protecting data of a low code development platform, virtualizes and converts plaintext instructions in a plaintext instruction set into virtual instructions in a virtual instruction set by generating low code development platform software of a virtual instruction version in a one-to-many mapping manner, thereby enhancing the security of the low code development platform software; the user data and the source code of the low-code program are encrypted based on a homomorphic encryption algorithm, so that the low-code program developed based on the low-code development platform software is effectively protected from being decrypted and plagiarized; the remote server and the local client need to perform identity authentication to prevent the data of the low-code development platform software from being stolen due to the counterfeit of a malicious program; parameter configuration and actual deployment are carried out based on command line operation and interface operation, and development flexibility is improved; the modular design is adopted, multiple programming languages are supported, and excellent compatibility is achieved; the low-code development platform is protected doubly by two protection means of code virtualization and homomorphic encryption, so that the safety and the stability of software of the low-code development platform are effectively guaranteed, the rights and interests of users of the low-code development platform are maintained, and the low-code development platform has a certain engineering application value.
The embodiment of the invention also relates to a data protection system of the low code development platform, which comprises a local client and a remote server, wherein the local client is connected with the remote server based on a network, and the local client and the remote server are configured to be used for executing the data protection method of the low code development platform.
To sum up, the embodiment of the present invention implements a method for protecting data of a low-code development platform by using a data protection system of a low-code development platform, and virtualizes and converts a plaintext instruction in a plaintext instruction set into a virtual instruction in a virtual instruction set by generating low-code development platform software of a virtual instruction version in a one-to-many mapping manner, thereby enhancing the security of the low-code development platform software; the user data and the source code of the low-code program are encrypted based on a homomorphic encryption algorithm, so that the low-code program developed based on the low-code development platform software is effectively protected from being cracked and plagiarized; the remote server and the local client need to perform identity authentication to prevent the data of the low-code development platform software from being stolen due to the counterfeit of a malicious program; parameter configuration and actual deployment are carried out based on command line operation and interface operation, and development flexibility is improved; the modular design is adopted, multiple programming languages are supported, and excellent compatibility is achieved; the low-code development platform is protected doubly by two protection means of code virtualization and homomorphic encryption, so that the safety and the stability of software of the low-code development platform are effectively guaranteed, the rights and interests of users of the low-code development platform are maintained, and the low-code development platform has a certain engineering application value.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: read Only Memory (ROM), random Access Memory (RAM), magnetic or optical disks, and the like.
In addition, the above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are described in detail by using specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A method for data protection of a low code development platform is characterized by comprising the following steps:
the remote server generates low-code development platform software of a virtual instruction version and sends the low-code development platform software to the local client;
the local client receives the low-code development platform software of the virtual instruction version, and replaces the low-code development platform software of the plaintext instruction version with the low-code development platform software of the virtual instruction version;
a user develops a low-code program based on the low-code development platform software of the virtual instruction version;
after the development is finished, the low-code development platform software of the virtual instruction version encrypts user data and source codes of the low-code program to generate an encrypted low-code program;
and the local client sends the encrypted user data and the source code of the low-code program to a remote server, and the remote server decrypts the encrypted user data and the source code of the low-code program.
2. The method of low code development platform data protection according to claim 1, wherein the remote server generating low code development platform software of a virtual instruction version comprises:
the remote server reads the low-code development platform software of the plaintext instruction version of the local client, and extracts a plaintext instruction set of the low-code development platform software of the plaintext instruction version;
and converting the plaintext instruction set into a virtual instruction set, and generating low-code development platform software of a virtual instruction version based on the virtual instruction set.
3. The method for low code development platform data protection according to claim 2, wherein said converting the plain instruction set to a virtual instruction set comprises:
and randomly converting the plaintext instructions in the plaintext instruction set of the low-code development platform software of the plaintext instruction version into virtual instructions in a virtual instruction set based on a mapping conversion mode, wherein the virtual instructions are randomly generated character strings with equal length.
4. The method for data protection of a low code development platform of claim 3, wherein the mapping transformation is performed in a manner that one plaintext instruction corresponds to a plurality of virtual instructions.
5. The method of low code development platform data protection as claimed in claim 1, wherein the user developing a low code program based on the low code development platform software of the virtual instruction version comprises:
the user develops the low-code program based on a command line operation or an interface operation.
6. The method of low code development platform data protection as claimed in claim 1, wherein the low code development platform software of the virtual instruction version encrypting the user data and source code of the low code program comprises:
and the low-code development platform software of the virtual instruction version encrypts the user data and the source code of the low-code program based on a homomorphic encryption algorithm.
7. The method of low code development platform data protection according to claim 6, wherein the low code development platform software of the virtual instruction version encrypting the user data and the source code of the low code program based on a homomorphic encryption algorithm comprises:
converting the user data of the low-code program and the character string plaintext of the source code into a byte stream plaintext;
converting the byte stream plaintext into a byte stream ciphertext based on a public key and a private key of low-code development platform software;
and writing the byte stream ciphertext into the low-code program.
8. The method of low code development platform data protection as claimed in claim 1 wherein the local client sends the encrypted user data and source code of the low code program to a remote server, the remote server decrypting the encrypted user data and source code of the low code program comprising:
after a user develops and finishes the low-code program, the low-code development platform software of the virtual instruction version encrypts the low-code program and runs the encrypted low-code program, and then the local client sends user data and source codes in the encrypted low-code program to a remote server;
and the remote server decrypts the user data and the source code of the encrypted low-code program and sends the decrypted user data and the decrypted source code of the low-code program back to the local client.
9. The method of low code development platform data protection as claimed in claim 1, wherein the method further comprises:
when the user needs to check the user data and the source code of the encrypted low-code program, the remote server decrypts the user data and the source code of the encrypted low-code program based on a homomorphic encryption algorithm and sends the user data and the source code of the decrypted low-code program back to the local client.
10. A low code development platform data protection system, comprising a local client, a remote server, wherein the local client is connected with the remote server based on a network, and the local client and the remote server are configured to execute the method of low code development platform data protection according to any one of claims 1 to 9.
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