CN110351086B - Method and system for processing and transmitting encrypted information in robot group - Google Patents
Method and system for processing and transmitting encrypted information in robot group Download PDFInfo
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- CN110351086B CN110351086B CN201910764207.9A CN201910764207A CN110351086B CN 110351086 B CN110351086 B CN 110351086B CN 201910764207 A CN201910764207 A CN 201910764207A CN 110351086 B CN110351086 B CN 110351086B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0866—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/618—Details of network addresses
- H04L2101/659—Internet protocol version 6 [IPv6] addresses
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Abstract
The invention discloses a method and a system for processing and transmitting encrypted information in a robot group.A sending-end robot generates a secret key according to hardware information of the sending-end robot and a network address of a receiving-end robot, and acquires the secret key and a plaintext to be sent to the receiving-end robot; the sending end robot encrypts the plaintext through an encryption algorithm and a secret key, and generates a ciphertext from the encrypted plaintext; the sending end robot sends the ciphertext to the receiving end robot; and the receiving-end robot decrypts the received ciphertext according to the decryption algorithm and the secret key to generate a plaintext. Before information transmission, the sending-end robot encrypts the information to be transmitted through a specific key, then transmits the information to the receiving-end robot point to point through an IPv6 network communication protocol, and the receiving-end robot decrypts the transmitted information according to the key to obtain complete information, so that processing and transmission of encrypted information in a group are completed, and the safety of information transmission is improved.
Description
Technical Field
The invention relates to the technical field of information transmission, in particular to an encrypted information processing and transmitting method in a robot group, an intelligent terminal and a storage medium.
Background
IPv6(Internet Protocol Version 6, Version 6 of the Internet Protocol) is the next generation IP Protocol designed by the Internet Engineering Task Force (IETF) to replace IPv4, and its number of addresses can be called to address each sand worldwide. Since the biggest problem of the IPv4 is that network address resources are limited, the application and development of the internet are severely restricted. The use of the IPv6 not only solves the problem of the number of network address resources, but also solves the obstacle of connecting various access devices to the Internet.
At present, the IPV6 communication and information encryption technology is relatively mature, but there is no clear and stable method for the transmission of confidential information in a robot group, and the robot group itself has characteristics that a common confidential information processing device does not have, such as a wide range of activity, an open network connected to the robot group, and complex information transmission, so that when information to be encrypted is transmitted between individuals in the robot group, the individuals are easily decrypted or intercepted, and information leakage is caused, and the security of information transmission cannot be ensured.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method for processing and transmitting encrypted information in a robot group, an intelligent terminal and a storage medium.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a method for processing and transmitting encrypted information in a robot group comprises the following steps:
the sending end robot generates a secret key according to hardware information of the sending end robot and a network address of a receiving end robot, and obtains the secret key and a plaintext to be sent to the receiving end robot;
the sending end robot encrypts the plaintext through an encryption algorithm and the secret key, and generates a ciphertext from the encrypted plaintext;
the sending-end robot sends the ciphertext to the receiving-end robot through IPv 6;
and the receiving-end robot decrypts the received ciphertext according to a decryption algorithm and the secret key to generate the plaintext, and the processing and transmission of the encrypted information in the robot group are completed.
The method for processing and transmitting the encrypted information in the robot group comprises the following steps that hardware information is hardware serial number information of the robot at the sending end.
The method for processing and transmitting the encrypted information in the robot group comprises the step of sending the encrypted information to the receiving end robot, wherein the network address of the receiving end robot is an IPv6 address.
The method for processing and transmitting the encrypted information in the robot group comprises the following steps:
respectively generating 28-bit codes according to the hardware serial number information of the sending-end robot and the IPv6 address of the receiving-end robot, generating 56-bit codes through interpolation calculation, and adding 1-bit parity check bit at intervals of 7 bits to generate a key with the length of 64 bits;
and the sending-end robot performs interpolation calculation according to the secret key and the plaintext to generate a ciphertext.
The method for processing and transmitting the encrypted information in the robot group comprises the following steps:
and decrypting according to the secret key and the ciphertext to generate the plaintext.
The method for processing and transmitting the encrypted information in the robot group, wherein the sending-end robot sends the ciphertext to the receiving-end robot through an IPv6, the method further includes:
the key establishes an IKE SA after IPv6 ESP negotiation and AH negotiation, enters an interpretation domain, the sending-end robot and the receiving-end robot need to simultaneously meet IKE SA agreed parameters to complete identity authentication, and an IKE security channel is established for information transmission between the sending-end robot and the receiving-end robot after identity authentication is completed.
The method for processing and transmitting the encrypted information in the robot group comprises the following steps that the receiving end robot decrypts the received ciphertext according to a decryption algorithm, and the method comprises the following steps:
and the receiving end robot verifies the parity check bits in the ciphertext to judge whether the ciphertext has transmission errors.
The method for processing and transmitting the encrypted information in the robot group is characterized in that the secret key is changed according to the change of a communication object and communication content.
The method for processing and transmitting the encrypted information in the robot group comprises the following steps:
and when the sending-end robot detects that the hardware information or the network address is changed, the secret key is automatically invalid.
In addition, in order to achieve the above object, the present invention further provides an encrypted information processing and transmitting system in a robot group, wherein the encrypted information processing and transmitting system in a robot group includes a sending-end robot and a receiving-end robot, and the sending-end robot is in communication connection with the receiving-end robot through IPv 6;
the sending end robot generates a secret key according to the hardware information of the sending end robot and the network address of the receiving end robot, and obtains the secret key and a plaintext to be sent to the receiving end robot;
the sending end robot encrypts the plaintext through an encryption algorithm and the secret key, and generates a ciphertext from the encrypted plaintext;
the sending-end robot sends the ciphertext to the receiving-end robot through IPv 6;
and the receiving-end robot decrypts the received ciphertext according to a decryption algorithm and the secret key to generate the plaintext, and the processing and transmission of the encrypted information in the robot group are completed.
In the invention, the sending end robot generates a secret key according to the hardware information of the sending end robot and the network address of the receiving end robot, and obtains the secret key and a plaintext to be sent to the receiving end robot; the sending end robot encrypts the plaintext through an encryption algorithm and the secret key, and generates a ciphertext from the encrypted plaintext; the sending-end robot sends the ciphertext to the receiving-end robot through IPv 6; and the receiving-end robot decrypts the received ciphertext according to a decryption algorithm and the secret key to generate the plaintext, and the processing and transmission of the encrypted information in the robot group are completed. Before information transmission, the information to be transmitted is encrypted by the robot sending the information through a specific key, then the information is transmitted to the information receiving robot point to point through an IPv6 network communication protocol, the information transmitted is decrypted by the robot at the receiving end according to the preset key to obtain complete information to be transmitted, further, the processing and transmission of encrypted information in a group are completed, and the safety of information transmission is improved.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of a method for processing and transmitting encrypted information within a group of robots in accordance with the present invention;
FIG. 2 is a diagram illustrating an encryption process of a sending-end robot on information according to a preferred embodiment of the method for processing and transmitting encrypted information in a robot group of the present invention;
FIG. 3 is a diagram illustrating the transmission of encrypted messages through IPv6 in the group of robots according to the present invention;
FIG. 4 is a diagram illustrating a process of decrypting information by a receiving end robot in the preferred embodiment of the method for processing and transmitting encrypted information in a robot group according to the present invention;
FIG. 5 is a schematic diagram of a preferred embodiment of the system for processing and transmitting encrypted information in a robot group according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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.
As shown in fig. 1, a method for processing and transmitting encrypted information in a robot group according to a preferred embodiment of the present invention is a method for processing and transmitting encrypted information in a robot group, wherein the method for processing and transmitting encrypted information in a robot group includes the following steps:
step S10, the sending end robot generates a key according to the hardware information of itself and the network address of the receiving end robot, and obtains the key and the plaintext to be sent to the receiving end robot.
Specifically, a plurality of sending-end robots and receiving-end robots may be included in the robot group, and the sending-end robots and the receiving-end robots communicate with each other through IPv 6.
Before the sending-end robot sends information to the receiving-end robot, the sending-end robot generates a key (so to speak, a specific key is generated) according to its own hardware information (the hardware information is hardware serial number information of the sending-end robot, for example, the sending-end robot can obtain an SN number of a network communication device by reading its own motherboard, which can prevent information security from being threatened by transmitting encrypted information caused by exchanging its own hardware information to a non-confidential device) and a network address of the receiving-end robot (the network address of the receiving-end robot is an IPv6 address, for example, the receiving-end robot reads its own current IPv6 address through a gateway, IPv6 has an advantage that it greatly expands the available space of the address), and acquires the key and a plaintext to be sent to the receiving-end robot, the plaintext refers to information that the sending-end robot needs to send to the receiving-end robot.
Where plaintext refers to words (or strings of characters) that are not encrypted, plaintext may be a bit stream in a communication system, such as text, a bitmap, digitized speech, or digitized video images, etc., and plaintext may generally be simply considered a meaningful set of characters or bits, or a message that is obtained via some disclosed encoding standard. The ciphertext is decrypted by a decryption algorithm corresponding to the encryption algorithm to recover the plaintext if the plaintext is desired.
And step S20, the sending-end robot encrypts the plaintext through an encryption algorithm and the key, and generates a ciphertext from the encrypted plaintext.
Specifically, the encryption process is to process the plaintext through an encryption algorithm, as shown in fig. 2, the encryption process specifically includes: generating 28-bit codes according to the hardware serial number information of the sending-end robot and the IPv6 address of the receiving-end robot respectively, generating 56-bit codes through interpolation calculation, adding 1-bit parity bit every 7 bits to generate a key with the length of 64 bits (the key is a parameter which is input in an algorithm for converting plaintext into ciphertext or converting ciphertext into plaintext), that is, 8-bit parity bits are contained in the key (the parity bits are mostly applied to error detection of computer hardware, parity is generally used in data communication to guarantee validity of data, each device must decide whether it is to be used as even check, odd check or non-check, the sending device adds 1s to each string it sends or decides that the number is even or odd, and then, it adds an extra bit, called parity bits, to this string, if even parity is used, the parity bits will have these positions as even numbers; if odd parity is used, parity bits make the positions odd), 56 bits participate in encryption and decryption operations, so that each key has odd number of 1; and the sending-end robot performs interpolation calculation according to the secret key and the plaintext to generate a ciphertext.
The interpolation is an important method for discrete function approximation, and the approximation of the function at other points can be estimated by using the value conditions of the function at a limited number of points; briefly, interpolation is a method for predicting the value of an unknown data point based on known data points (conditions).
Further, the key changes every time according to changes of a communication object and communication content, and when the sending-end robot detects that the hardware information or the network address is changed, the key automatically fails; that is to say, in the invention, the key can be generated according to the hardware serial number information of the robot and the IPv6 network address, and the information to be transmitted is encrypted, so the key is changeable, if the hardware or network state of the robot is changed, the key is invalid, and because of the IPv6 point-to-point transmission and the encryption protocol contained in the point-to-point transmission, the confidentiality of the information can be further ensured, and the purpose that the encrypted information cannot be intercepted and decoded is achieved, thereby the safety of information transmission is effectively ensured, and the effect that the information is only effectively transmitted from a fixed point to a fixed point in a robot group is realized.
And S30, the sending-end robot sends the ciphertext to the receiving-end robot through IPv 6.
Specifically, before the sending-end robot sends the ciphertext to the receiving-end robot through IPv6, after an ESP negotiation (ESP negotiation is an encryption algorithm) and an AH negotiation (AH negotiation is an authentication algorithm) are performed on the transmission of IPv6, an IKE SA (the IKE SA is an agreement of some elements between peers in an IKE communication protocol, and if both parties satisfy the agreement, the SA can be established) for identity authentication.
That is, only after the sending-end robot and the receiving-end robot establish a safety channel, the sending-end robot and the receiving-end robot can perform data transmission; specifically, as shown in fig. 3, in an IPv6 network information transmission manner, during transmission, a generated address (i.e., an IPv6 address) is combined with a public and private key (which refers to a key in an IPv6 communication protocol), the key establishes an IKE SA after passing through ESP negotiation and AH negotiation of IPv6, enters an interpretation domain (the interpretation domain is used for domain name resolution, that is, an IP address is converted into a domain name), the sending-end robot and the receiving-end robot need to satisfy IKE SA agreed parameters at the same time to complete identity authentication, and after identity authentication is completed, an IKE security channel is established for information transmission between the sending-end robot and the receiving-end robot.
In the aspect of IPv6 communication, IPv6 automatically allocates IP addresses to users, the IP addresses can be automatically acquired as long as the robots are connected to a network, and meanwhile, the robots acquire the IP addresses again at intervals, so that encrypted information between the robots can be transmitted in a variable path point-to-point mode without loss or interception.
And step S40, the receiving-end robot decrypts the received ciphertext according to a decryption algorithm and the key to generate the plaintext, and the processing and transmission of the encrypted information in the robot group are completed.
Specifically, before the receiving-end robot decrypts the received ciphertext according to a decryption algorithm, the method further includes: the receiving-end robot verifies the parity check bits in the ciphertext to judge whether the ciphertext has transmission errors, and when the fact that the transmitted information (ciphertext) has no transmission errors is determined, the receiving-end robot decrypts the received ciphertext according to a decryption algorithm and the secret key to generate the plaintext (the calculation mode is consistent with that of the sending-end robot, and plaintext information is calculated according to reverse interpolation operation).
Further, as shown in fig. 4, for the receiving-end robot to decrypt information (ciphertext), key information should be calculated first, and the key information is a 28-bit code generated from the hardware information (hardware number) of the sending-end robot and the IP address (i.e., IPv6 network address) of the receiving-end robot, and the decryption process is the reverse process of the encryption process, that is, the decryption is performed from the key and the ciphertext to generate the plaintext.
The invention can prevent the information to be encrypted from being decoded or intercepted midway during the transmission among the individuals in the robot group, so as to realize the point-to-point information transmission and information encryption functions among the individuals in the robot group through the unique determined IPv6 address.
Further, as shown in fig. 5, based on the method for processing and transmitting encrypted information in a robot group, the present invention also provides a system for processing and transmitting encrypted information in a robot group, where the system for processing and transmitting encrypted information in a robot group includes a sending-end robot 100 and a receiving-end robot 200, and the sending-end robot 100 is in communication connection with the receiving-end robot 200 through IPv 6; the sending-end robot 100 generates a secret key according to its own hardware information and the network address of the receiving-end robot 200, and obtains the secret key and a plaintext to be sent to the receiving-end robot 200; the sending-end robot 100 encrypts the plaintext through an encryption algorithm and the key, and generates a ciphertext from the encrypted plaintext; the sending-end robot 100 sends the ciphertext to the receiving-end robot 200 through IPv 6; and the receiving-end robot 200 decrypts the received ciphertext according to the decryption algorithm and the key to generate the plaintext, so as to complete the processing and transmission of the encrypted information in the robot group.
The invention adopts IPv6 and point-to-point communication technology, can ensure the security and accuracy of multi-robot group when encrypting communication, and IPv6 provides a new address generation mode due to the expansion characteristic of address space: an address is generated. The generated address is bound with a public and private key pair, so that the address cannot be forged by others.
According to the invention, when the key is generated, the IPv6 address is combined with the hardware information, so that the safety of data transmission is ensured, the decentralized problem is solved by point-to-point communication, the free interaction among group robots is ensured, and the high efficiency during communication is ensured; meanwhile, the resources are arranged on different robots, so that edge resources in a communication network can be fully utilized, the communication transmission efficiency is greatly improved, and the communication becomes safer.
After the invention is combined with the practical robot group communication application, the robot can automatically acquire a new IPv6 address before each communication, a sending-end robot key is generated by the IPv6 address automatically acquired by the receiving-end robot and the hardware information of the sending-end robot through an encryption algorithm during the communication, and the encryption key and a plaintext are combined through interpolation to form the key together, and the key changes due to the change of a communication object and communication content during each communication, so that the decoding difficulty is increased linearly, and the safety of the encrypted communication of the robot is ensured.
In summary, the present invention provides a method and a system for processing and transmitting encrypted information in a robot group, where the method includes: the sending end robot generates a secret key according to hardware information of the sending end robot and a network address of a receiving end robot, and obtains the secret key and a plaintext to be sent to the receiving end robot; the sending end robot encrypts the plaintext through an encryption algorithm and the secret key, and generates a ciphertext from the encrypted plaintext; the sending-end robot sends the ciphertext to the receiving-end robot through IPv 6; and the receiving-end robot decrypts the received ciphertext according to a decryption algorithm and the secret key to generate the plaintext, and the processing and transmission of the encrypted information in the robot group are completed. Before information transmission, the information to be transmitted is encrypted by the robot sending the information through a specific key, then the information is transmitted to the information receiving robot point to point through an IPv6 network communication protocol, the information transmitted is decrypted by the robot at the receiving end according to the preset key to obtain complete information to be transmitted, further, the processing and transmission of encrypted information in a group are completed, and the safety of information transmission is improved.
Of course, it will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by a computer program instructing relevant hardware (such as a processor, a controller, etc.), and the program may be stored in a computer readable storage medium, and when executed, the program may include the processes of the above method embodiments. The storage medium may be a memory, a magnetic disk, an optical disk, etc.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (7)
1. A method for processing and transmitting encrypted information in a robot group is characterized by comprising the following steps:
the sending end robot generates a secret key according to hardware information of the sending end robot and a network address of a receiving end robot, and obtains the secret key and a plaintext to be sent to the receiving end robot;
the sending end robot encrypts the plaintext through an encryption algorithm and the secret key, and generates a ciphertext from the encrypted plaintext;
the encryption processing includes:
respectively generating 28-bit codes according to the hardware serial number information of the robot at the sending end and the IPv6 address of the robot at the receiving end, generating 56-bit codes through interpolation calculation, and adding 1-bit parity check bit at intervals of 7 bits to generate a key with the length of 64 bits, wherein the key comprises 8-bit parity check bits;
the sending end robot carries out interpolation calculation according to the secret key and the plaintext to generate a ciphertext;
the key establishes an IKE SA after IPv6 ESP negotiation and AH negotiation, and enters an interpretation domain, the sending-end robot and the receiving-end robot need to simultaneously meet IKE SA agreed parameters to complete identity authentication, an IKE safety channel is established after identity verification is completed for information transmission between the sending-end robot and the receiving-end robot, and the sending-end robot and the receiving-end robot are allowed to perform data transmission only after the sending-end robot and the receiving-end robot establish safety channels;
the sending-end robot sends the ciphertext to the receiving-end robot through IPv 6;
the receiving-end robot verifies the parity check bits in the ciphertext to judge whether the ciphertext has transmission errors, and when the ciphertext is determined not to have transmission errors, the receiving-end robot decrypts the received ciphertext according to a decryption algorithm and the secret key;
and the receiving-end robot decrypts the received ciphertext according to a decryption algorithm and the secret key to generate the plaintext, and the processing and transmission of the encrypted information in the robot group are completed.
2. The method for processing and transmitting encrypted information in a robot group according to claim 1, wherein the hardware information is hardware serial number information of the sending-end robot.
3. The method for processing and transmitting encrypted information in a robot group according to claim 1, wherein the network address of the receiving robot is an IPv6 address.
4. The method for processing and transmitting encrypted information in a robot group according to claim 1, wherein the decryption process comprises:
and decrypting according to the secret key and the ciphertext to generate the plaintext.
5. The method for processing and transmitting encrypted information within a robot group according to claim 1, wherein the key is changed every time the communication object and the communication content are changed.
6. The method for processing and transmitting encrypted information in a robot group according to claim 1, further comprising:
and when the sending-end robot detects that the hardware information or the network address is changed, the secret key is automatically invalid.
7. The system for processing and transmitting the encrypted information in the robot group is characterized by comprising a sending-end robot and a receiving-end robot, wherein the sending-end robot is in communication connection with the receiving-end robot through IPv 6;
the sending end robot generates a secret key according to hardware information of the sending end robot and a network address of the receiving end robot, and obtains the secret key and a plaintext to be sent to the receiving end robot;
the sending end robot encrypts the plaintext through an encryption algorithm and the secret key, and generates a ciphertext from the encrypted plaintext;
the encryption processing includes:
respectively generating 28-bit codes according to the hardware serial number information of the robot at the sending end and the IPv6 address of the robot at the receiving end, generating 56-bit codes through interpolation calculation, and adding 1-bit parity check bit at intervals of 7 bits to generate a key with the length of 64 bits, wherein the key comprises 8-bit parity check bits;
the sending end robot carries out interpolation calculation according to the secret key and the plaintext to generate a ciphertext;
the key establishes an IKE SA after IPv6 ESP negotiation and AH negotiation, and enters an interpretation domain, the sending-end robot and the receiving-end robot need to simultaneously meet IKE SA agreed parameters to complete identity authentication, an IKE safety channel is established after identity verification is completed for information transmission between the sending-end robot and the receiving-end robot, and the sending-end robot and the receiving-end robot are allowed to perform data transmission only after the sending-end robot and the receiving-end robot establish safety channels;
the sending-end robot sends the ciphertext to the receiving-end robot through IPv 6;
and the receiving-end robot decrypts the received ciphertext according to a decryption algorithm and the secret key to generate the plaintext, and the processing and transmission of the encrypted information in the robot group are completed.
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