CN111163108A - Electric power Internet of things security terminal chip composite encryption system and method - Google Patents
Electric power Internet of things security terminal chip composite encryption system and method Download PDFInfo
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- CN111163108A CN111163108A CN202010079868.0A CN202010079868A CN111163108A CN 111163108 A CN111163108 A CN 111163108A CN 202010079868 A CN202010079868 A CN 202010079868A CN 111163108 A CN111163108 A CN 111163108A
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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
- 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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
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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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
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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
- H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
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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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3271—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using challenge-response
- H04L9/3278—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using challenge-response using physically unclonable functions [PUF]
Abstract
The application discloses a power Internet of things security terminal chip composite encryption system and a method, wherein the system comprises a processor module, an encryption module, a storage module, an interface module and a bus module; the processor module is used for executing a logic control part of an encryption algorithm; the encryption module is used for realizing composite encryption of data; the storage module is used for storing application program codes or transplanting various real-time operating systems; the interface module is used for communicating with the outside; the bus module is used for realizing the communication between the encryption module, the storage module and the interface module and the processor module. The method and the device integrate multiple encryption technologies, are applicable to scenes, and have wider realization functions.
Description
Technical Field
The invention belongs to the technical field of electric power internet of things security, relates to an encryption technology of a security chip, and particularly relates to a system and a method for compositely encrypting a security terminal chip of an electric power internet of things.
Background
With the rapid development of the electric power internet of things technology and the comprehensive construction of smart cities, especially under the condition that large-scale electric power internet of things safety terminals are widely accessed, higher requirements are provided for information communication of the electric power internet of things terminals. For example, the power terminal sends control data and service application data, the terminal without encryption or with low encryption technology may be obtained by unauthorized sensing equipment, which causes immeasurable harm to power safety and national safety. Therefore, the anti-tamper function of the power security chip is important.
At present, the electric power security chip can realize the functions of data encryption and decryption between the electric power internet of things terminal and a service platform by utilizing a national cryptographic algorithm; part of the electric power security chips utilize the unique and unpredictable random function of the physical unclonable technology to realize higher-level end-to-end encryption transmission, and have higher security key storage, security operation and password calculation capabilities. With the development of quantum technology, the quantum key distribution technology can theoretically ensure that the quantum key distribution technology cannot be cracked compared with the existing asymmetric key security encryption technology based on large number decomposition. However, a technical scheme for forming a higher-level encryption chip terminal by mutually compounding a cryptographic algorithm, a physical unclonable technology and a quantum key distribution technology is still lacked.
Disclosure of Invention
In order to overcome the defects in the prior art, the application provides the electric power internet of things security terminal chip composite encryption system and method, various encryption technologies are integrated, and the system is applicable to more extensive scenes and has wider realization functions.
In order to achieve the above object, the first invention of the present application adopts the following technical solutions:
a power Internet of things security terminal chip composite encryption system comprises a processor module, an encryption module, a storage module, an interface module and a bus module;
the processor module is used for executing a logic control part of an encryption algorithm;
the encryption module is used for realizing composite encryption of data;
the storage module is used for storing application program codes or transplanting various real-time operating systems;
the interface module is used for communicating with the outside;
the bus module is used for realizing the communication between the encryption module, the storage module and the interface module and the processor module.
The invention further comprises the following preferred embodiments:
preferably, the processor module uses a 32-bit embedded chip to complete the logic operation.
Preferably, the interface module includes a serial peripheral interface, an I2C bus, a universal asynchronous receiver transmitter, and a universal I/O port.
Preferably, the memory module includes a flash memory, a random access memory and a read only memory.
Preferably, the encryption module comprises a physical unclonable function module, a national cryptographic algorithm module, a quantum key distribution module and a true random generator module;
the physical unclonable function module and the true random generator module are respectively used for generating and storing a symmetric key and an encrypted private key;
the national cryptographic algorithm module is used for realizing the encryption of data;
the quantum key distribution module is used for distributing a symmetric key and an encryption private key.
Preferably, the bus module comprises a high performance bus and a peripheral bus;
the physical unclonable function module, the national cryptographic algorithm module, the quantum key distribution module and the storage module are communicated with the processor module through a high-performance bus, and the interface module and the true random generator module are communicated with the processor module through a peripheral bus to the high-performance bus.
Preferably, the symmetric key and the encryption private key are distributed over a fibre channel.
Preferably, the physically unclonable function module is implemented using an arbiter-based physically unclonable function circuit.
Preferably, the cryptographic algorithm module comprises SM2, SM3 and SM 4.
The application also discloses another invention, namely a composite encryption method for the electric power internet of things security terminal chip, which comprises the following steps:
step (1): when a sender has a requirement for sending data, the physical unclonable function module and the true random generator module respectively generate and store a symmetric key of the national secret algorithm module SM4 and an encrypted private key of the national secret algorithm module SM 2;
step (2): the national cryptographic algorithm module encrypts the plaintext by adopting a symmetric encryption algorithm SM4 according to the symmetric key to obtain a ciphertext;
and (3): the SM3 hash algorithm of the national cryptographic algorithm module is adopted to form a ciphertext abstract from the ciphertext;
and (4): encrypting the ciphertext abstract by adopting an SM2 encryption algorithm of a national encryption algorithm module according to the encryption private key to generate a digital signature;
and (5): the digital signature and the ciphertext are sent to a receiver together to realize the composite encryption transmission of the data;
after the receiver receives the digital signature and the ciphertext, the SM2 decrypts the digital signature and the public key of the sender to obtain a message digest 1, and the SM3 performs hash algorithm operation on the digital signature and the public key of the sender to obtain a message digest 2;
judging the integrity of the information and authenticating the identity of the sender by comparing message digest 1 with message digest 2: if the message digest 1 is the same as the message digest 2, the authentication is successful, the cryptographic algorithm module SM4 decrypts the ciphertext according to the symmetric key to obtain the plaintext, otherwise, the authentication fails.
The beneficial effect that this application reached:
(1) the method integrates various encryption technologies, is applicable to scenes, and has wider realization functions;
(2) the application adopts a composite encryption algorithm, so that the safety and the reliability are greatly improved;
(3) the private key is generated by adopting a physical unclonable function and a true random generator, and the method has the advantages of low power consumption, stealing prevention of the private key and the like;
(4) the quantum key distribution technology can realize one-time pad and has the function of preventing eavesdropping.
Drawings
Fig. 1 is a block diagram of a power internet of things security terminal chip composite encryption system according to the present application;
fig. 2 is a schematic flow chart of a composite encryption method for a security terminal chip of the power internet of things.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
As shown in fig. 1, the electric power internet of things security terminal chip composite encryption system of the present application includes a processor module (CPU), an encryption module, a storage module, an interface module, and a bus module;
the processor module is used for executing a logic control part of an encryption algorithm;
in the embodiment of the application, the processor module adopts a 32-bit embedded chip to complete logic operation;
the encryption module is used for realizing composite encryption of data;
in the embodiment of the application, the encryption module comprises a physical unclonable function module (PUF), a cryptographic algorithm module, a quantum key distribution module and a true random generator module (TRNG);
the physical unclonable function module and the true random generator module are respectively used for generating and storing a symmetric key and an encrypted private key;
the physical unclonable function module is realized by adopting a physical unclonable function circuit based on an arbiter.
The national cryptographic algorithm module is used for realizing the encryption of data;
the cryptographic algorithm modules include SM2, SM3, and SM 4.
The SM2 algorithm is an elliptic curve public key password based on a discrete logarithm problem and is realized by adopting a software and hardware cooperation method.
The SM3 is a hash algorithm, and finally generates a 256-Bit hash value through four steps of filling, grouping, expanding and iterative compression, the expansion and compression with larger operation amount can be realized by hardware, and the filling and grouping can be realized by software.
SM4 is a commercial block cipher published by the chinese national cipher authority.
The quantum key distribution module is used for distributing a symmetric key and an encryption private key.
The symmetric key and the encryption private key are distributed through a fiber channel.
The storage module is used for storing application program codes or transplanting various real-time operating systems, and comprises a FLASH memory (FLASH), a Random Access Memory (RAM) and a read-only memory (ROM);
the interface module is used for communicating with the outside, and comprises a Serial Peripheral Interface (SPI), an I2C bus, a Universal Asynchronous Receiver Transmitter (UART) and a general I/O port (GPIO);
the bus module is used for realizing the communication between the encryption module, the storage module and the interface module and the processor module.
The bus module comprises a high performance bus (AHB) and A Peripheral Bus (APB);
the physical unclonable function module, the national cryptographic algorithm module, the quantum key distribution module and the storage module are communicated with the processor module through a high-performance bus, and the interface module and the true random generator module are communicated with the processor module through a peripheral bus to the high-performance bus.
As shown in fig. 2, the composite encryption method for the electric power internet of things security terminal chip comprises the following steps:
step (1): when a sender has a requirement for sending data, the physical unclonable function module and the true random generator module respectively generate and store a symmetric key of the national secret algorithm module SM4 and an encrypted private key of the national secret algorithm module SM 2;
step (2): the national cryptographic algorithm module encrypts the plaintext by adopting a symmetric encryption algorithm SM4 according to the symmetric key to obtain a ciphertext;
and (3): the SM3 hash algorithm of the national cryptographic algorithm module is adopted to form a ciphertext abstract from the ciphertext;
and (4): encrypting the ciphertext abstract by adopting an SM2 encryption algorithm of a national encryption algorithm module according to the encryption private key to generate a digital signature;
and (5): the digital signature and the ciphertext are sent to a receiver together to realize the composite encryption transmission of the data;
after the receiver receives the digital signature and the ciphertext, the SM2 decrypts the digital signature and the public key of the sender to obtain a message digest 1, and the SM3 performs hash algorithm operation on the digital signature and the public key of the sender to obtain a message digest 2;
judging the integrity of the information and authenticating the identity of the sender by comparing message digest 1 with message digest 2: if the message digest 1 is the same as the message digest 2, the authentication is successful, the cryptographic algorithm module SM4 decrypts the ciphertext according to the symmetric key to obtain the plaintext, otherwise, the authentication fails.
The present applicant has described and illustrated embodiments of the present invention in detail with reference to the accompanying drawings, but it should be understood by those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, and on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. The utility model provides a compound encryption system of electric power thing networking security terminal chip which characterized in that:
the system comprises a processor module, an encryption module, a storage module, an interface module and a bus module;
the processor module is used for executing a logic control part of an encryption algorithm;
the encryption module is used for realizing composite encryption of data;
the storage module is used for storing application program codes or transplanting various real-time operating systems;
the interface module is used for communicating with the outside;
the bus module is used for realizing the communication between the encryption module, the storage module and the interface module and the processor module.
2. The electric power internet of things security terminal chip composite encryption system according to claim 1, characterized in that:
the processor module adopts a 32-bit embedded chip to complete logic operation.
3. The electric power internet of things security terminal chip composite encryption system according to claim 1, characterized in that:
the interface module comprises a serial peripheral interface, an I2C bus, a universal asynchronous receiver-transmitter and a universal I/O port.
4. The electric power internet of things security terminal chip composite encryption system according to claim 1, characterized in that:
the memory module comprises a flash memory, a random access memory and a read-only memory.
5. The electric power internet of things security terminal chip composite encryption system according to any one of claims 1 to 4, characterized in that:
the encryption module comprises a physical unclonable function module, a national secret algorithm module, a quantum key distribution module and a true random generator module;
the physical unclonable function module and the true random generator module are respectively used for generating and storing a symmetric key and an encrypted private key;
the national cryptographic algorithm module is used for realizing the encryption of data;
the quantum key distribution module is used for distributing a symmetric key and an encryption private key.
6. The electric power internet of things security terminal chip composite encryption system according to claim 5, characterized in that:
the bus module comprises a high performance bus and a peripheral bus;
the physical unclonable function module, the national cryptographic algorithm module, the quantum key distribution module and the storage module are communicated with the processor module through a high-performance bus, and the interface module and the true random generator module are communicated with the processor module through a peripheral bus to the high-performance bus.
7. The electric power internet of things security terminal chip composite encryption system according to claim 5, characterized in that:
the symmetric key and the encryption private key are distributed through a fiber channel.
8. The electric power internet of things security terminal chip composite encryption system according to claim 5, characterized in that:
the physical unclonable function module is realized by adopting a physical unclonable function circuit based on an arbiter.
9. The electric power internet of things security terminal chip composite encryption system according to claim 5, characterized in that:
the cryptographic algorithm modules include SM2, SM3, and SM 4.
10. A composite encryption method for a chip of a security terminal of an electric power Internet of things is characterized by comprising the following steps:
the method comprises the following steps:
step (1): when a sender has a requirement for sending data, the physical unclonable function module and the true random generator module respectively generate and store a symmetric key of the national secret algorithm module SM4 and an encrypted private key of the national secret algorithm module SM 2;
step (2): the national cryptographic algorithm module encrypts the plaintext by adopting a symmetric encryption algorithm SM4 according to the symmetric key to obtain a ciphertext;
and (3): the SM3 hash algorithm of the national cryptographic algorithm module is adopted to form a ciphertext abstract from the ciphertext;
and (4): encrypting the ciphertext abstract by adopting an SM2 encryption algorithm of a national encryption algorithm module according to the encryption private key to generate a digital signature;
and (5): the digital signature and the ciphertext are sent to a receiver together to realize the composite encryption transmission of the data;
after the receiver receives the digital signature and the ciphertext, the SM2 decrypts the digital signature and the public key of the sender to obtain a message digest 1, and the SM3 performs hash algorithm operation on the digital signature and the public key of the sender to obtain a message digest 2;
judging the integrity of the information and authenticating the identity of the sender by comparing message digest 1 with message digest 2: if the message digest 1 is the same as the message digest 2, the authentication is successful, the cryptographic algorithm module SM4 decrypts the ciphertext according to the symmetric key to obtain the plaintext, otherwise, the authentication fails.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111783078A (en) * | 2020-07-14 | 2020-10-16 | 大唐终端技术有限公司 | Android platform security chip control system |
| CN111932852A (en) * | 2020-07-17 | 2020-11-13 | 深圳市燃气集团股份有限公司 | Gas meter reading system based on state cryptographic algorithm and gas data transmission method thereof |
| CN113297546A (en) * | 2021-06-21 | 2021-08-24 | 尧云科技(西安)有限公司 | Code protection method and device for composite encryption |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147488A (en) * | 2017-03-24 | 2017-09-08 | 广东工业大学 | A kind of signature sign test system and method based on SM2 enciphering and deciphering algorithms |
| CN109040067A (en) * | 2018-08-02 | 2018-12-18 | 广东工业大学 | A kind of user authentication device and authentication method based on the unclonable technology PUF of physics |
| CN109462471A (en) * | 2018-12-28 | 2019-03-12 | 有份儿智慧科技股份有限公司 | The method of information transmission encryption based on national secret algorithm in conjunction with Technique on Quantum Communication |
| US20190116028A1 (en) * | 2017-10-16 | 2019-04-18 | Taiwan Semiconductor Manufacturing Company Ltd. | Method for role-based data transmission using physically unclonable function (puf)-based keys |
| CN109726598A (en) * | 2018-12-10 | 2019-05-07 | 佛山芯珠微电子有限公司 | Embedded-type security encryption chip based on Cloud Server |
| CN109787761A (en) * | 2019-02-20 | 2019-05-21 | 金陵科技学院 | A kind of equipment certification and key distribution system and method based on physics unclonable function |
| CN110474898A (en) * | 2019-08-07 | 2019-11-19 | 北京明朝万达科技股份有限公司 | Data encrypting and deciphering and key location mode, device, equipment and readable storage medium storing program for executing |
-
2020
- 2020-02-04 CN CN202010079868.0A patent/CN111163108A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147488A (en) * | 2017-03-24 | 2017-09-08 | 广东工业大学 | A kind of signature sign test system and method based on SM2 enciphering and deciphering algorithms |
| US20190116028A1 (en) * | 2017-10-16 | 2019-04-18 | Taiwan Semiconductor Manufacturing Company Ltd. | Method for role-based data transmission using physically unclonable function (puf)-based keys |
| CN109040067A (en) * | 2018-08-02 | 2018-12-18 | 广东工业大学 | A kind of user authentication device and authentication method based on the unclonable technology PUF of physics |
| CN109726598A (en) * | 2018-12-10 | 2019-05-07 | 佛山芯珠微电子有限公司 | Embedded-type security encryption chip based on Cloud Server |
| CN109462471A (en) * | 2018-12-28 | 2019-03-12 | 有份儿智慧科技股份有限公司 | The method of information transmission encryption based on national secret algorithm in conjunction with Technique on Quantum Communication |
| CN109787761A (en) * | 2019-02-20 | 2019-05-21 | 金陵科技学院 | A kind of equipment certification and key distribution system and method based on physics unclonable function |
| CN110474898A (en) * | 2019-08-07 | 2019-11-19 | 北京明朝万达科技股份有限公司 | Data encrypting and deciphering and key location mode, device, equipment and readable storage medium storing program for executing |
Non-Patent Citations (1)
| Title |
|---|
| 温晓军: "《量子签名及应用》", 航空工业出版社, pages: 26 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111783078A (en) * | 2020-07-14 | 2020-10-16 | 大唐终端技术有限公司 | Android platform security chip control system |
| CN111932852A (en) * | 2020-07-17 | 2020-11-13 | 深圳市燃气集团股份有限公司 | Gas meter reading system based on state cryptographic algorithm and gas data transmission method thereof |
| CN111932852B (en) * | 2020-07-17 | 2021-05-25 | 深圳市燃气集团股份有限公司 | Gas meter reading system based on state cryptographic algorithm and gas data transmission method thereof |
| WO2022012124A1 (en) * | 2020-07-17 | 2022-01-20 | 深圳市燃气集团股份有限公司 | State secret algorithm-based gas meter reading system and gas data transmission method therefor |
| CN113297546A (en) * | 2021-06-21 | 2021-08-24 | 尧云科技(西安)有限公司 | Code protection method and device for composite encryption |
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