CN113794560B - Data transmission encryption method and system for ultrasonic treatment instrument - Google Patents
Data transmission encryption method and system for ultrasonic treatment instrument Download PDFInfo
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- CN113794560B CN113794560B CN202111304243.0A CN202111304243A CN113794560B CN 113794560 B CN113794560 B CN 113794560B CN 202111304243 A CN202111304243 A CN 202111304243A CN 113794560 B CN113794560 B CN 113794560B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000009210 therapy by ultrasound Methods 0.000 title description 6
- 238000012795 verification Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 7
- 230000001225 therapeutic effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- 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
- H04L63/0442—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 wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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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
- H04L63/0478—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 applying multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Storage Device Security (AREA)
Abstract
The invention provides a super-therapeutic instrument data transmission encryption method and a super-therapeutic instrument data transmission encryption system, which belong to the technical field of super-therapeutic instrument data transmission encryption, and the super-therapeutic instrument data transmission encryption method and the super-therapeutic instrument data transmission encryption system comprise the following steps: the receiving end generates a first data encryption key; wherein the first data encryption key comprises a public key and a secret key; the sending end obtains the first data encryption key from the receiving end; the sending end encrypts by using the data encryption key to obtain first encrypted data; the sending end encrypts the first encrypted data again to obtain second encrypted data; the second data encryption key is constructed through the Triviem algorithm according to the first data encryption key, and after the encrypted data frame is generated, a data identifier is issued for the encrypted data frame, which is equivalent to setting a second barrier for the collected data, so that the transmission path and the operation information of the collected data are monitored, the collected data are prevented from being tampered by malicious attack, and the safety of the collected data is ensured.
Description
Technical Field
The invention belongs to the technical field of data transmission encryption of ultrasonic treatment instruments, and particularly relates to a data transmission encryption method and system of an ultrasonic treatment instrument.
Background
In recent years, governments in all levels in the country continuously increase the force for managing the overrun overload transportation of road vehicles, and important stage achievements are achieved, but due to complex social and economic factors, the overstretch detection situation in the country is still very serious. The intelligent overrun control system for the overrun overload detection of the national vehicles is established, and is an important component part of a long-acting mechanism for controlling the overrun overload. At present, the detection data of the scientific and technological ultra-system is derived from an intelligent instrument, a large amount of on-site measurement data needs to be transmitted to an upper computer in real time, most of the transmission is plaintext, the detection data is easy to tamper in the transmission process, and the management of an ultra-limit overload vehicle is directly affected due to the abnormality of the detection data.
Disclosure of Invention
The embodiment of the invention provides a data transmission encryption method and a system thereof for a super-therapeutic instrument, which aim to solve the problems that the existing scientific super-therapeutic system detection data is sourced from an intelligent instrument, a large amount of on-site measurement data needs to be transmitted to an upper computer in real time, most of the transmission is plaintext, and the transmission is easy to tamper in the transmission process, so that the detection data is abnormal.
In view of the above problems, the technical scheme provided by the invention is as follows:
A method for encrypting data transmission of a therapeutic and diagnostic instrument, comprising the following steps:
the receiving end generates a first data encryption key; wherein the first data encryption key comprises a public key and a secret key;
the sending end obtains the first data encryption key from the receiving end;
the sending end encrypts by using the data encryption key to obtain first encrypted data;
The sending end encrypts the first encrypted data again to obtain second encrypted data;
The sending end distributes a digital identifier for the second encrypted data, processes the second encrypted data and transmits the second encrypted data to the upper computer;
and the upper computer verifies the digital identification, and decrypts the second encrypted data and the first encrypted data one by one after the digital identification passes.
As a preferred technical solution of the present invention, the sending end encrypts by using the data encryption key to obtain first encrypted data, which specifically includes:
the sending end obtains collected data, and encrypts plaintext of the collected data by using the public key to obtain ciphertext;
And generating the first encrypted data from the ciphertext.
As a preferred technical solution of the present invention, the sending end encrypts the first encrypted data again to obtain second encrypted data, which specifically includes:
constructing a second data encryption key according to the first data encryption key;
and encrypting the first encrypted data by using the second data encryption key to obtain the second encrypted data.
As a preferable technical scheme of the invention, the sending end issues a digital identifier for the second encrypted data, and the digital identifier is transmitted to an upper computer after being processed, and the method specifically comprises the following steps:
Generating an encrypted data frame from the second encrypted data;
And distributing a digital identifier for the encrypted data frame, and transmitting the encrypted data frame and the digital identifier to the upper computer.
As a preferable technical scheme of the invention, the upper computer verifies the digital identification, and decrypts the second encrypted data and the first encrypted data one by one after passing, and the method specifically comprises the following steps:
verifying the authenticity of the digital identifier, decrypting the second encrypted data and the first encrypted data one by one if the verification result of the digital identifier is correct, and feeding back the wrong verification result if the verification result of the digital identifier is wrong;
generating a third data encryption key according to the first data encryption key, and decrypting the second data encryption key by using the third data encryption key;
and decrypting the first encrypted data by using the second data encryption key to restore the plaintext of the acquired data.
On the other hand, the embodiment of the invention also provides a data transmission encryption system of the ultrasonic treatment instrument, which comprises the following steps:
The generating module is used for generating a data encryption key by the receiving end; the data encryption key comprises a public key and a secret key;
the obtaining module is used for obtaining the first data encryption key from the receiving end by the sending end;
the first encryption module is used for encrypting by the transmitting end by using the data encryption key to obtain first encrypted data;
the second encryption module is used for encrypting the first encrypted data again by the sending end to obtain second encrypted data;
The distribution module is used for distributing a digital identifier for the second encrypted data by the sending end, processing the digital identifier and transmitting the processed digital identifier to the upper computer;
and the decryption module is used for verifying the digital identification by the upper computer, and decrypting the second encrypted data and the first encrypted data one by one after the digital identification passes.
As a preferred embodiment of the present invention, the first encryption module includes:
The acquisition unit is used for acquiring acquisition data by the transmitting end, and encrypting plaintext of the acquisition data by using the public key to obtain ciphertext;
and the first generation unit is used for generating the ciphertext into the first encrypted data.
As a preferred embodiment of the present invention, the second encryption module includes:
A construction unit for constructing a second data encryption key according to the first data encryption key;
And the first encryption unit is used for encrypting the first encrypted data by using the second data encryption key to obtain the second encrypted data.
As a preferred embodiment of the present invention, the dispensing module includes:
A second generation unit configured to generate an encrypted data frame from the second encrypted data;
and the distributing unit is used for distributing the digital identification for the encrypted data frame and transmitting the encrypted data frame and the digital identification to the upper computer.
As a preferred embodiment of the present invention, the decryption module includes:
the verification unit is used for verifying the authenticity of the digital identifier, decrypting the second encrypted data and the first encrypted data one by one if the verification result of the digital identifier is correct, and feeding back the wrong verification result if the verification result of the digital identifier is wrong;
A first decryption unit configured to generate a third data encryption key according to the first data encryption key, and decrypt the second data encryption key using the third data encryption key;
And the second decryption unit is used for decrypting the first encrypted data by using the second data encryption key and restoring the first encrypted data to the plaintext of the acquired data.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
(1) The encryption method has the advantages that the encryption method is safe, easy to understand and easy to realize based on the encryption method by utilizing the cryptosystem of the RSA algorithm, and is equivalent to setting a first barrier for the acquired data, so that the authenticity of the acquired data is ensured.
(2) The second data encryption key is constructed through the Triviem algorithm according to the first data encryption key, and after the encrypted data frame is generated, a data identifier is issued for the encrypted data frame, which is equivalent to setting a second barrier for the collected data, so that the transmission path and the operation information of the collected data are monitored, the collected data are prevented from being tampered by malicious attack, and the safety of the collected data is ensured.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
FIG. 1 is a flow chart of a method for encrypting data transmission of a therapeutic and diagnostic instrument disclosed by the invention;
fig. 2 is a schematic structural diagram of a data transmission encryption method for a therapeutic and diagnostic instrument disclosed by the invention.
Reference numerals illustrate: 100. a generating module; 200. obtaining a module; 300. a first encryption module; 400. a second encryption module; 500. a dispensing module; 600. and a decryption module.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
Referring to fig. 1, the invention provides a technical scheme that: a data transmission encryption method for a therapeutic and diagnostic instrument comprises the following steps:
s1, a receiving end generates a first data encryption key. Wherein the first data encryption key comprises a public key and a secret key.
The receiving end generates a first data encryption key through an RSA algorithm, namely, two large prime numbers p and q are selected, a value of an Euler function (n) = (p-1) x (q-1) is calculated, a positive integer e is selected as the data encryption key, the mutual quality of e and (n) is met, e is smaller than (n), and a public key (e, n) and a secret key (d, n) can be finally obtained according to calculation.
S2, the sending end obtains the first data encryption key from the receiving end.
And S3, the transmitting end encrypts by using the data encryption key to obtain first encrypted data.
Specifically, the sending end obtains collected data, and encrypts plaintext of the collected data by using the public key to obtain ciphertext; and generating the first encrypted data from the ciphertext.
That is, after acquiring the collected data, the transmitting end encrypts the plaintext of the collected data using the public key (e, n) to obtain the ciphertext.
S4, the sending end encrypts the first encrypted data again to obtain second encrypted data.
Specifically, a second data encryption key is constructed according to the first data encryption key; and encrypting the first encrypted data by using the second data encryption key to obtain the second encrypted data.
That is, the second data encryption key is constructed by the Trivium algorithm based on the first data encryption key.
S5, the sending end distributes a digital identifier for the second encrypted data, processes the second encrypted data and transmits the second encrypted data to the upper computer.
Specifically, generating an encrypted data frame from the second encrypted data; and distributing a digital identifier for the encrypted data frame, and transmitting the encrypted data frame and the digital identifier to the upper computer.
And S6, the upper computer verifies the digital identification, and decrypts the second encrypted data and the first encrypted data one by one after the digital identification passes.
Specifically, verifying the authenticity of the digital identifier, decrypting the second encrypted data and the first encrypted data one by one if the verification result of the digital identifier is correct, and feeding back the wrong verification result if the verification result of the digital identifier is wrong; generating a third data encryption key according to the first data encryption key, and decrypting the second data encryption key by using the third data encryption key; and decrypting the first encrypted data by using the second data encryption key to restore the plaintext of the acquired data.
Of course, when the authenticity verification is carried out, the authenticity of the digital mark is mainly verified, whether the encrypted data frame is tampered by malicious attack or not is known from the digital mark, if the digital mark is tampered by malicious attack or is a false digital mark, an incorrect verification result is fed back, and the subsequent decryption operation cannot be carried out; and after the digital identification is successfully verified, the second encrypted data and the first encrypted data are decrypted one by one, so that the authenticity and the accuracy of the data are ensured.
Example two
The embodiment of the invention also discloses a data transmission encryption system of the ultrasonic treatment instrument, which is shown by referring to the figure 2, and comprises the following steps:
A generating module 100, configured to generate a data encryption key at a receiving end; wherein the data encryption key comprises a public key and a secret key.
And the obtaining module 200 is configured to obtain the first data encryption key from the receiving end by using the sending end.
The first encryption module 300 is configured to encrypt by using the data encryption key to obtain first encrypted data.
Specifically, the first encryption module 300 includes:
The acquisition unit is used for acquiring acquisition data by the transmitting end and encrypting the plaintext of the acquisition data by using the public key to obtain ciphertext.
And the first generation unit is used for generating the ciphertext into the first encrypted data.
The second encryption module 400 is configured to encrypt the first encrypted data again by the transmitting end to obtain second encrypted data.
Specifically, the second encryption module 400 includes:
And the construction unit is used for constructing a second data encryption key according to the first data encryption key.
And the first encryption unit is used for encrypting the first encrypted data by using the second data encryption key to obtain the second encrypted data.
The distributing module 500 is configured to send a digital identifier to the second encrypted data by using a sending end, process the second encrypted data, and transmit the processed second encrypted data to an upper computer.
Specifically, the dispensing module 500 includes:
And the second generation unit is used for generating an encrypted data frame from the second encrypted data.
And the distributing unit is used for distributing the digital identification for the encrypted data frame and transmitting the encrypted data frame and the digital identification to the upper computer.
And the decryption module 600 is used for verifying the digital identification by the upper computer, and decrypting the second encrypted data and the first encrypted data one by one after the digital identification passes.
Specifically, the decryption module 600 includes:
and the verification unit is used for verifying the authenticity of the digital identifier, decrypting the second encrypted data and the first encrypted data one by one if the verification result of the digital identifier is correct, and feeding back the wrong verification result if the verification result of the digital identifier is wrong.
And the first decryption unit is used for generating a third data encryption key according to the first data encryption key and decrypting the second data encryption key by using the third data encryption key.
And the second decryption unit is used for decrypting the first encrypted data by using the second data encryption key and restoring the first encrypted data to the plaintext of the acquired data.
In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, invention lies in less than all features of a single disclosed embodiment. Thus the following claims are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate preferred embodiment of this invention.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. The processor and the storage medium may reside as discrete components in a user terminal.
For a software implementation, the techniques described in this disclosure may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. These software codes may be stored in memory units and executed by processors. The memory unit may be implemented within the processor or external to the processor, in which case it can be communicatively coupled to the processor via various means as is known in the art.
The foregoing description includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, as used in the specification or claims, the term "comprising" is intended to be inclusive in a manner similar to the term "comprising," as interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean "non-exclusive or".
Claims (6)
1. The utility model provides a super instrument data transmission encryption method which is characterized in that the method comprises the following steps:
the receiving end generates a first data encryption key; wherein the first data encryption key comprises a public key and a secret key;
the sending end obtains the first data encryption key from the receiving end;
the sending end encrypts by using the data encryption key to obtain first encrypted data;
the sending end obtains collected data, and encrypts plaintext of the collected data by using the public key to obtain ciphertext;
generating the first encrypted data from the ciphertext;
The sending end encrypts the first encrypted data again to obtain second encrypted data;
constructing a second data encryption key through a Trivium algorithm according to the first data encryption key;
Encrypting the first encrypted data by using the second data encryption key to obtain the second encrypted data;
The sending end distributes a digital identifier for the second encrypted data, processes the second encrypted data and transmits the second encrypted data to the upper computer;
Generating an encrypted data frame from the second encrypted data;
distributing a digital identifier for the encrypted data frame, and transmitting the encrypted data frame and the digital identifier to the upper computer;
The upper computer verifies the digital identification, and decrypts the second encrypted data and the first encrypted data one by one after the digital identification passes;
verifying the authenticity of the digital identifier, decrypting the second encrypted data and the first encrypted data one by one if the verification result of the digital identifier is correct, and feeding back the wrong verification result if the verification result of the digital identifier is wrong;
Generating a second data encryption key according to the first data encryption key, and decrypting the second encrypted data by using the second data encryption key to obtain first encrypted data;
and decrypting the first encrypted data by using the first data encryption key to restore the first encrypted data to the plaintext of the acquired data.
2. A super-therapeutic instrument data transmission encryption system, applied to the super-therapeutic instrument data transmission encryption method of claim 1, comprising:
The generating module is used for generating a first data encryption key by the receiving end; wherein the first data encryption key comprises a public key and a secret key;
the obtaining module is used for obtaining the first data encryption key from the receiving end by the sending end;
the first encryption module is used for encrypting by the transmitting end by using the data encryption key to obtain first encrypted data;
the second encryption module is used for encrypting the first encrypted data again by the sending end to obtain second encrypted data;
The distribution module is used for distributing a digital identifier for the second encrypted data by the sending end, processing the digital identifier and transmitting the processed digital identifier to the upper computer;
and the decryption module is used for verifying the digital identification by the upper computer, and decrypting the second encrypted data and the first encrypted data one by one after the digital identification passes.
3. The hypertherapeutic instrument data transmission encryption system of claim 2 wherein said first encryption module comprises:
The acquisition unit is used for acquiring acquisition data by the transmitting end, and encrypting plaintext of the acquisition data by using the public key to obtain ciphertext;
and the first generation unit is used for generating the ciphertext into the first encrypted data.
4. The hypertherapeutic instrument data transmission encryption system of claim 3 wherein said second encryption module comprises:
A construction unit for constructing a second data encryption key according to the first data encryption key;
And the first encryption unit is used for encrypting the first encrypted data by using the second data encryption key to obtain the second encrypted data.
5. The ultra-meter data transmission encryption system of claim 4, wherein the distribution module comprises:
A second generation unit configured to generate an encrypted data frame from the second encrypted data;
and the distributing unit is used for distributing the digital identification for the encrypted data frame and transmitting the encrypted data frame and the digital identification to the upper computer.
6. The hypertherapeutic apparatus data transmission encryption system of claim 5, wherein said decryption module comprises:
the verification unit is used for verifying the authenticity of the digital identifier, decrypting the second encrypted data and the first encrypted data one by one if the verification result of the digital identifier is correct, and feeding back the wrong verification result if the verification result of the digital identifier is wrong;
The first decryption unit is used for generating a second data encryption key according to the first data encryption key, and decrypting the second encrypted data by utilizing the second data encryption key to obtain first encrypted data;
and the second decryption unit is used for decrypting the first encrypted data by using the first data encryption key and restoring the first encrypted data to the plaintext of the acquired data.
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