WO2023138265A1 - 一种数据加解密方法、系统、设备及计算机可读存储介质 - Google Patents
一种数据加解密方法、系统、设备及计算机可读存储介质 Download PDFInfo
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- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- the present application relates to the technical field of data security, and more specifically, to a data encryption and decryption method, system, device and non-volatile readable storage medium.
- the purpose of this application is to provide a data encryption and decryption method, which can solve the technical problem of how to improve the applicability of the data encryption and decryption method to a certain extent.
- the present application also provides a data encryption and decryption system, equipment and non-volatile readable storage medium.
- a data encryption and decryption method comprising:
- the target data is calculated through the output calculation formula of the Henon chaotic system, and the encryption result of the target data is obtained.
- the target data is calculated through the output calculation formula of the Henon chaotic system to obtain the encryption result of the target data, including:
- the target data is calculated through the output calculation formula of the Henon chaotic system, and the encryption result of the target data is obtained;
- the output calculation formula of the Henon chaotic system includes:
- x(k) [x 1 (k) x 2 (k)] T ;
- m(k) represents the target data at time k
- y(k), z(k) represent the encryption results
- C represents the output matrix of the Henon chaotic system
- D represents a non-singular through matrix
- b and d represent the preset parameter values
- x 1 (k) and x 2 (k) represent the two state values of the Henon chaotic system
- T represents the transpose of the matrix
- E represents the invertible matrix.
- the key information of the target data is converted into system parameters of the Henon chaotic system, including:
- the key information of the target data is converted into system parameters of the Henon chaotic system, including:
- the key information of the target data is converted into system parameters of the Henon chaotic system, including:
- a data encryption and decryption method comprising:
- the encryption result is based on the system parameters, obtained by calculating the target data through the output calculation formula of the Henon chaotic system, and the system parameters are the parameters of the Henon chaotic system obtained after converting the key information of the target data;
- the encrypted result is decrypted based on the system parameters to obtain the target data.
- the encrypted result is decrypted based on system parameters to obtain target data, including:
- the encryption result is decrypted based on the system parameters to obtain the target data
- the decryption formula includes:
- m(k) represents the target data at time k
- D represents the non-singular through matrix
- y(k), z(k) represents the encryption result
- C represents the output matrix of the Henon chaotic system
- E represents an invertible matrix
- b, d represent preset parameter values
- x 1 (k) represents a state value of the Henon chaotic system
- This application also discloses a data encryption and decryption system, including:
- the first obtaining module is used to obtain the target data to be encrypted
- the first conversion module is used to convert the key information of the target data into the system parameters of the Henon chaotic system
- the first encryption module is used to calculate the target data through the output calculation formula of the Henon chaotic system based on the system parameters, and obtain the encryption result of the target data.
- This application also discloses a data encryption and decryption device, including:
- the processor is configured to implement the steps of any one of the above data encryption and decryption methods when executing the computer program.
- a non-volatile readable storage medium wherein a computer program is stored in the non-volatile readable storage medium, and when the computer program is executed by a processor, the steps of any one of the above data encryption and decryption methods are realized.
- a data encryption and decryption method provided by the present application obtains target data to be encrypted; converts key information of the target data into system parameters of a Henon chaotic system; based on the system parameters, operates on the target data through an output operation formula of the Henon chaotic system to obtain an encryption result of the target data.
- the function of the key information is realized by means of the system parameters of the Henon chaotic system. Since the system parameters of the Henon chaotic system are many, this application can expand the key space; and only need to operate the target data through the output operation formula of the Henon chaotic system, and the encryption result can be obtained. Since the output operation formula only involves differential equations and matrix operations, the encryption speed is relatively fast and the applicability is good.
- a data encryption and decryption system, device, and non-volatile readable storage medium provided by this application also solve corresponding technical problems.
- FIG. 1 is a first flowchart of a data encryption and decryption method provided by an embodiment of the present application
- Fig. 2 is the structural diagram of Henon chaotic system among the present application.
- FIG. 3 is a second flow chart of a data encryption and decryption method provided in an embodiment of the present application.
- FIG. 4 is a schematic diagram of a first structure of a data encryption and decryption system provided by an embodiment of the present application
- FIG. 5 is a schematic diagram of a second structure of a data encryption and decryption system provided by an embodiment of the present application.
- FIG. 6 is a schematic structural diagram of a data encryption and decryption device provided in an embodiment of the present application.
- FIG. 7 is another schematic structural diagram of a data encryption and decryption device provided in an embodiment of the present application.
- FIG. 8 is a schematic structural diagram of a non-volatile readable storage medium provided by an embodiment of the present application.
- FIG. 1 is a first flowchart of a data encryption and decryption method provided by an embodiment of the present application.
- Step S101 Obtain target data to be encrypted.
- the target data to be encrypted can be obtained first, and the type of the target data can be determined according to actual needs, such as text data, image data, etc., which are not specifically limited in this application.
- Step S102 converting the key information of the target data into system parameters of the Henon chaotic system.
- Step S103 Based on the system parameters, the target data is calculated through the output calculation formula of the Henon chaotic system to obtain the encryption result of the target data.
- the target data after converting the key information of the target data into the system parameters of the Henon chaotic system, the target data can be calculated based on the system parameters through the output calculation formula of the Henon chaotic system to obtain the encryption result of the target data.
- the output calculation formula of the Henon chaotic system may include:
- x(k) [x 1 (k) x 2 (k)] T ;
- m(k) represents the target data at time k
- y(k), z(k) represent the encryption results
- C represents the output matrix of the Henon chaotic system
- D represents a non-singular through matrix
- b and d represent the preset parameter values
- x 1 (k) and x 2 (k) represent the two state values of the Henon chaotic system
- T represents the transpose of the matrix
- E represents the invertible matrix.
- the system parameters of the Henon chaotic system can be x 1 (k), x 2 (k), A i , C, b, etc.
- the key information of the target data can be converted into x 1 (k), x 2 (k) in the state value of the Henon chaotic system, and a 11 , a 12 , a 21 , a 2 in A i 2, c 11 , c 12 , c 21 , c 22 in C, one or more of b, etc., which are not specifically limited in this application.
- a data encryption and decryption method provided by the present application obtains target data to be encrypted; converts key information of the target data into system parameters of a Henon chaotic system; based on the system parameters, operates on the target data through an output operation formula of the Henon chaotic system to obtain an encryption result of the target data.
- the function of the key information is realized by means of the system parameters of the Henon chaotic system. Since the system parameters of the Henon chaotic system are many, this application can expand the key space; and only need to operate the target data through the output operation formula of the Henon chaotic system, and the encryption result can be obtained. Since the output operation formula only involves differential equations and matrix operations, the encryption speed is relatively fast and the applicability is good.
- the Henon map is a discrete dynamic system that can generate chaotic phenomena, and its dynamic equation can be expressed as:
- x 1 (k) and x 2 (k) are the state of the system
- y(k) is the output of the system
- the TS Fuzzy model (TS fuzzy model) of the chaotic dynamic system based on Henon mapping can be written as:
- the data-injected Henon chaotic system fixes the output matrix C.
- E is chosen to be any invertible matrix
- D is non-singular.
- the constructed data-injected Henon chaotic system can be shown in Figure 2, etc., including adders, shifters, registers, etc., and the input, output, and stored data of each device can be shown in the figure.
- the traditional classic self-synchronizing stream cipher (Self-synchronizing stream cipher) algorithm means that the keystream (key stream) is generated by a function obtained by fixing the previous ciphertext bits.
- the encryption process is as follows:
- X e is the key stream
- ⁇ is the key
- m(k) is the plaintext at time k
- c e (k) is the ciphertext at time k
- ⁇ is the encryption function
- l is a constant
- ⁇ d is the memory delay.
- the first step is to verify the flatness of the Henon chaotic encryption system:
- the state and input of a system can be represented by the output and the leading or late bits of the output.
- Such a system is a flat system, and it is also an extension of the controllability of a linear system in a nonlinear system. Therefore, according to the dynamic equation of the Henon chaotic system, the invertibility of the output matrix gives the expression of the state with respect to the output, namely
- the data-injected Henon chaotic encryption system is completely equivalent to a traditional self-synchronizing stream encryption technology.
- This mathematical equivalence can guarantee the security level of the data-injected Henon chaotic encryption system.
- FIG. 3 is a second flowchart of a data encryption and decryption method provided by an embodiment of the present application.
- Step S201 Obtain an encryption result, wherein the encryption result is obtained based on system parameters, which are obtained by operating the target data through the output calculation formula of the Henon chaotic system, and the system parameters are the parameters of the Henon chaotic system obtained after converting the key information of the target data.
- Step S202 Obtain system parameters.
- Step S203 Decrypt the encrypted result based on the system parameters to obtain the target data.
- the plaintext m(k) is represented by the ciphertext y(k), z(k) and y(k-1), z(k-1), so in the process of decrypting the encrypted result based on the system parameters to obtain the target data, the encrypted result can be decrypted based on the system parameters through the decryption formula to obtain the target data;
- the decryption formula includes:
- m(k) represents the target data at time k
- D represents the non-singular through matrix
- y(k), z(k) represents the encryption result
- C represents the output matrix of the Henon chaotic system
- E represents an invertible matrix
- b, d represent preset parameter values
- x 1 (k) represents a state value of the Henon chaotic system
- FIG. 4 is a schematic diagram of a first structure of a data encryption and decryption system provided by an embodiment of the present application.
- the first obtaining module 101 is used to obtain the target data to be encrypted
- the first conversion module 102 is used to convert the key information of the target data into the system parameters of the Henon chaotic system
- the first encryption module 103 is configured to perform calculation on the target data through the output calculation formula of the Henon chaotic system based on the system parameters, and obtain an encryption result of the target data.
- the first encryption module may include:
- the first encryption unit is used to calculate the target data by the output calculation formula of the Henon chaotic system based on the system parameters, to obtain the encryption result of the target data;
- the output calculation formula of the Henon chaotic system includes:
- x(k) [x 1 (k) x 2 (k)] T ;
- m(k) represents the target data at time k
- y(k), z(k) represent the encryption results
- C represents the output matrix of the Henon chaotic system
- D represents a non-singular through matrix
- b and d represent the preset parameter values
- x 1 (k) and x 2 (k) represent the two state values of the Henon chaotic system
- T represents the transpose of the matrix
- E represents the invertible matrix.
- the first conversion module may include:
- the first conversion unit is used to convert the key information of the target data into the state value of the Henon chaotic system.
- the first conversion module may include:
- the second conversion unit is used to convert the key information of the target data into corresponding values of Ai and/or output matrix in the Henon chaotic system.
- the first conversion module may include:
- the third conversion unit is used to convert the key information of the target data into the b value in the Henon chaotic system.
- FIG. 5 is a schematic diagram of a second structure of a data encryption and decryption system provided by an embodiment of the present application.
- the second acquisition module 201 is used to obtain the encryption result, wherein the encryption result is based on the system parameters, and the target data is calculated by the output calculation formula of the Henon chaotic system, and the system parameters are the parameters of the Henon chaotic system obtained after converting the key information of the target data;
- a third acquisition module 202 configured to acquire system parameters
- the first decryption module 203 is configured to decrypt the encryption result based on the system parameters to obtain the target data.
- the first decryption module may include:
- the first decryption unit is used to decrypt the encryption result based on the system parameters through the decryption formula to obtain the target data;
- the decryption formula includes:
- m(k) represents the target data at time k
- D represents the non-singular through matrix
- y(k), z(k) represents the encryption result
- C represents the output matrix of the Henon chaotic system
- E represents an invertible matrix
- b, d represent preset parameter values
- x 1 (k) represents a state value of the Henon chaotic system
- FIG. 6 is a schematic structural diagram of a data encryption and decryption device provided in an embodiment of the present application.
- a data encryption and decryption device provided in an embodiment of the present application includes a memory 201 and a processor 202, a computer program is stored in the memory 201, and the processor 202 implements the following steps when executing the computer program:
- the target data is calculated through the output calculation formula of the Henon chaotic system, and the encryption result of the target data is obtained.
- a data encryption and decryption device provided in the embodiment of the present application includes a memory 201 and a processor 202.
- a computer program is stored in the memory 201.
- the processor 202 executes the computer program, the following steps are implemented: based on the system parameters, the target data is calculated through the output calculation formula of the Henon chaotic system to obtain the encryption result of the target data;
- the output calculation formula of the Henon chaotic system includes:
- x(k) [x 1 (k) x 2 (k)] T ;
- m(k) represents the target data at time k
- y(k), z(k) represent the encryption results
- C represents the output matrix of the Henon chaotic system
- D represents a non-singular through matrix
- b and d represent the preset parameter values
- x 1 (k) and x 2 (k) represent the two state values of the Henon chaotic system
- T represents the transpose of the matrix
- E represents the invertible matrix.
- a data encryption and decryption device provided in the embodiment of the present application includes a memory 201 and a processor 202.
- a computer program is stored in the memory 201.
- the processor 202 executes the computer program, the following steps are implemented: converting the key information of the target data into the state value of the Henon chaotic system.
- a data encryption and decryption device provided in the embodiment of the present application includes a memory 201 and a processor 202.
- a computer program is stored in the memory 201.
- the processor 202 executes the computer program, the following steps are implemented: converting the key information of the target data into the corresponding values of Ai and/or the output matrix in the Henon chaotic system.
- a data encryption and decryption device provided in the embodiment of the present application includes a memory 201 and a processor 202.
- a computer program is stored in the memory 201.
- the processor 202 executes the computer program, the following steps are implemented: converting the key information of the target data into the b value in the Henon chaotic system.
- a data encryption and decryption device provided in an embodiment of the present application includes a memory 201 and a processor 202, a computer program is stored in the memory 201, and the processor 202 implements the following steps when executing the computer program:
- the encryption result is based on the system parameters, obtained by calculating the target data through the output calculation formula of the Henon chaotic system, and the system parameters are the parameters of the Henon chaotic system obtained after converting the key information of the target data;
- the encrypted result is decrypted based on the system parameters to obtain the target data.
- a data encryption and decryption device provided in an embodiment of the present application includes a memory 201 and a processor 202.
- a computer program is stored in the memory 201.
- the processor 202 executes the computer program, the following steps are implemented: decrypt the encryption result based on the system parameters through a decryption formula to obtain target data;
- the decryption formula includes:
- m(k) represents the target data at time k
- D represents the non-singular through matrix
- y(k), z(k) represents the encryption result
- C represents the output matrix of the Henon chaotic system
- E represents an invertible matrix
- b, d represent preset parameter values
- x 1 (k) represents a state value of the Henon chaotic system
- another data encryption and decryption device may further include: an input port 203 connected to the processor 202 for transmitting externally input commands to the processor 202; a display unit 204 connected to the processor 202 for displaying the processing results of the processor 202 to the outside world; a communication module 205 connected to the processor 202 for realizing communication between the data encryption and decryption device and the outside world.
- the display unit 204 can be a display panel, a laser scanning display, etc.; the communication methods adopted by the communication module 205 include but are not limited to mobile high-definition link technology (Mobile High-Definition Link, MHL), universal serial bus (Universal Serial Bus, USB), high-definition multimedia interface (High Definition Multimedia Interface, HDMI), wireless connection: wireless fidelity technology (Wireless Fidelity, WiFi), bluetooth communication technology, low power consumption bluetooth communication technology , Communication technology based on IEEE802.11s (Institute of Electrical an Electronics Engineers, Institute of Electrical and Electronics Engineers).
- the embodiment of the present application also provides a non-volatile readable storage medium.
- a computer program 31 is stored on the non-volatile readable storage medium 30.
- the computer program 31 is executed by a processor, the following steps are implemented:
- the target data is calculated through the output calculation formula of the Henon chaotic system, and the encryption result of the target data is obtained.
- a computer program is stored in the non-volatile readable storage medium.
- the computer program is executed by the processor, the following steps are implemented: based on the system parameters, the target data is calculated through the output calculation formula of the Henon chaotic system, and the encryption result of the target data is obtained;
- the output calculation formula of the Henon chaotic system includes:
- x(k) [x 1 (k) x 2 (k)] T ;
- m(k) represents the target data at time k
- y(k), z(k) represent the encryption results
- C represents the output matrix of the Henon chaotic system
- D represents a non-singular through matrix
- b and d represent the preset parameter values
- x 1 (k) and x 2 (k) represent the two state values of the Henon chaotic system
- T represents the transpose of the matrix
- E represents the invertible matrix.
- a computer program is stored in the non-volatile readable storage medium.
- the computer program is executed by a processor, the following steps are implemented: converting the key information of the target data into the state value of the Henon chaotic system.
- a computer program is stored in the non-volatile readable storage medium.
- the computer program is executed by a processor, the following steps are implemented: converting the key information of the target data into the corresponding values of Ai and/or the output matrix in the Henon chaotic system.
- a computer program is stored in the non-volatile readable storage medium.
- the computer program is executed by a processor, the following steps are implemented: converting the key information of the target data into the b value in the Henon chaotic system.
- a computer program is stored in the non-volatile readable storage medium.
- the computer program is executed by a processor, the following steps are implemented:
- the encryption result is based on the system parameters, obtained by calculating the target data through the output calculation formula of the Henon chaotic system, and the system parameters are the parameters of the Henon chaotic system obtained after converting the key information of the target data;
- the encrypted result is decrypted based on the system parameters to obtain the target data.
- a computer program is stored in the non-volatile readable storage medium.
- the following steps are implemented: decrypt the encrypted result based on the system parameters through a decryption formula to obtain the target data;
- the decryption formula includes:
- m(k) represents the target data at time k
- D represents the non-singular through matrix
- y(k), z(k) represents the encryption result
- C represents the output matrix of the Henon chaotic system
- E represents an invertible matrix
- b, d represent preset parameter values
- x 1 (k) represents a state value of the Henon chaotic system
- the non-volatile readable storage medium involved in the present application includes random access memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM or any other form of storage medium known in the technical field.
- RAM random access memory
- ROM read-only memory
- electrically programmable ROM electrically erasable programmable ROM
- registers hard disk, removable disk, CD-ROM or any other form of storage medium known in the technical field.
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Abstract
Description
Claims (20)
- 一种数据加解密方法,其特征在于,包括:获取待加密的目标数据;将所述目标数据的密钥信息转化为Henon混沌系统的系统参数;基于所述系统参数,通过所述Henon混沌系统的输出运算公式对所述目标数据进行运算,得到所述目标数据的加密结果。
- 根据权利要求1所述的方法,其特征在于,所述基于所述系统参数,通过所述Henon混沌系统的输出运算公式对所述目标数据进行运算,得到所述目标数据的加密结果,包括:基于所述系统参数,通过所述Henon混沌系统的输出运算公式对所述目标数据进行运算,得到所述目标数据的所述加密结果;所述Henon混沌系统的输出运算公式包括:y(k)=Cx(k)+Dm(k);z(k)=Ex(k);x(k)=[x 1(k) x 2(k)] T;
- 根据权利要求2所述的方法,其特征在于,所述目标数据包括文本数据和图像数据,所述获取待加密的目标数据,包括:获取待加密的文本数据和/或图像数据。
- 根据权利要求3所述的方法,其特征在于,所述将所述目标数据的密钥信息转化为Henon混沌系统的系统参数,包括:通过将所述文本数据和/或所述图像数据的密钥信息映射为所述Henon混沌系统的系统参数,对所述密钥信息进行加密处理。
- 根据权利要求4所述的方法,其特征在于,所述通过将所述文本数据和/或所述图像数据的密钥信息映射为所述Henon混沌系统的系统参数,对所述密钥信息进行加密处理,包括:按照预设参数类型和预设参数数量将所述文本数据和/或所述图像数据的密钥信息映射为所述Henon混沌系统的系统参数,对所述密钥信息进行加密处理。
- 根据权利要求2所述的方法,其特征在于,所述将所述目标数据的密钥信息转化为Henon混沌系统的系统参数,包括:将所述目标数据的密钥信息转化为所述Henon混沌系统的状态值。
- 根据权利要求2所述的方法,其特征在于,所述将所述目标数据的密钥信息转化为Henon混沌系统的系统参数,包括:将所述目标数据的密钥信息转化为所述Henon混沌系统中A i和/或所述输出矩阵的对应值。
- 根据权利要求7所述的方法,其特征在于,所述将所述目标数据的密钥信息转化为所述Henon混沌系统中A i和/或所述输出矩阵的对应值,包括:将所述目标数据的密钥信息转化为所述Henon混沌系统中A i的a 11、a 12、a 21、a 22的一个或多个;和/或,将所述目标数据的密钥信息转化为所述Henon混沌系统中所述输出矩阵的对应值。
- 根据权利要求7所述的方法,其特征在于,所述将所述目标数据的密钥信息转化为所述Henon混沌系统中所述输出矩阵的对应值,包括:将所述目标数据的密钥信息转化为所述Henon混沌系统中所述输出矩阵的c 11、c 12、c 21、c 22的一个或多个。
- 根据权利要求2所述的方法,其特征在于,所述将所述目标数据的密钥信息转化为Henon混沌系统的系统参数,包括:将所述目标数据的密钥信息转化为所述Henon混沌系统中的b值。
- 一种数据加解密方法,其特征在于,包括:获取加密结果,其中,所述加密结果基于系统参数,通过Henon混沌系统的输出运算公式对目标数据进行运算得到,所述系统参数为将所述目标数据的密钥信息转化后得到的所述Henon混沌系统的参数;获取所述系统参数;基于所述系统参数对所述加密结果进行解密,得到所述目标数据。
- 根据权利要求12所述的方法,其特征在于,所述系统参数包括所述Henon混沌系统的状态值,所述状态值包括x 1(k),所述获取所述系统参数,包括:获取所述Henon混沌系统的状态值中的x 1(k)。
- 根据权利要求12所述的方法,其特征在于,所述系统参数包括所述Henon混沌系统中A i,所述获取所述系统参数,包括:获取所述Henon混沌系统中A i的a 11、a 12、a 21、a 22的一个或多个。
- 根据权利要求12所述的方法,其特征在于,所述系统参数包括所述Henon混沌系统中所述输出矩阵的对应值,所述获取所述系统参数,包括:获取所述Henon混沌系统中所述输出矩阵的对应值的c 11、c 12、c 21、c 22的一个或多个。
- 根据权利要求12所述的方法,其特征在于,所述系统参数包括所述预设的参数值,所述预设的参数值包括b,所述获取所述系统参数,包括:获取所述Henon混沌系统中的b值。
- 根据权利要求11所述的方法,其特征在于,所述目标数据包括文本数据和图像 数据,所述基于所述系统参数对所述加密结果进行解密,得到所述目标数据,包括:基于所述系统参数对所述加密结果进行解密,获得解密后的文本数据和/或图像数据。
- 一种数据加解密系统,其特征在于,包括:第一获取模块,用于获取待加密的目标数据;第一转化模块,用于将所述目标数据的密钥信息转化为Henon混沌系统的系统参数;第一加密模块,用于基于所述系统参数,通过所述Henon混沌系统的输出运算公式对所述目标数据进行运算,得到所述目标数据的加密结果。
- 一种数据加解密设备,其特征在于,包括:存储器,用于存储计算机程序;处理器,用于执行所述计算机程序时实现如权利要求1至17任一项所述数据加解密方法的步骤。
- 一种非易失性可读存储介质,其特征在于,所述非易失性可读存储介质中存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至17任一项所述数据加解密方法的步骤。
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| CN114598451B (zh) * | 2022-03-11 | 2024-10-15 | 苏州浪潮智能科技有限公司 | Sm4算法运行方法、系统、设备及计算机可读存储介质 |
| CN115174191B (zh) * | 2022-06-30 | 2024-01-09 | 山东云海国创云计算装备产业创新中心有限公司 | 一种局部预测值安全传输方法、计算机设备和存储介质 |
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