CN116032662B - Interphone data encryption transmission system - Google Patents
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Abstract
The invention discloses an interphone data encryption transmission system, which belongs to the technical field of data transmission and comprises an interphone voice data centralization module and a voice data detection processing module; according to the invention, the voice data detection processing module is arranged inside, so that the acquired interphone voice data can be initially detected, the smoothness, the finish, the definition and other characteristics in the voice data are carefully analyzed, the qualification of the voice data is judged, the unqualified voice data is sent back, the situation that the complete voice data cannot be acquired even if the voice data is encrypted in the later period and decrypted in the later period is avoided, meanwhile, the specific voice data missing area is detected and calibrated in a targeted manner, the subsequent rapid supplement of the missing voice area is facilitated, meanwhile, the encryption effect of the data can be greatly improved, the data is not easy to decipher and is not easy to lose through the arrangement of the data encryption process for two times.
Description
Technical Field
The invention belongs to the technical field of data transmission, and particularly relates to an interphone data encryption transmission system.
Background
Data transmission is a process of transmitting data, and the data transmission is to transmit data from a data source to a data terminal through one or more data links according to a certain procedure, and the main function of the data transmission is to realize information transmission and exchange between points. A good data transmission mode can improve the real-time performance and reliability of data transmission, and when the interphone is used, the voice data transmission in the interphone is an important one.
Chinese patent discloses (CN 101500158B) a visual interphone and audio/video data transmission method and system thereof, the method comprising the steps of: both data transmission parties apply for a plurality of blocks of caches; the sender collects and digitizes the target audio and video data and stores the data into an idle buffer; the sender divides the audio and video data in the cache into a plurality of audio and video data packets and sends the audio and video data packets to the receiver; the receiver receives the audio and video data packet and stores the audio and video data packet into an idle buffer; and the receiver combines the audio and video data packets into complete audio and video data according to the information in the packet heads of the audio and video data packets and displays the audio and video data. In the embodiment of the invention, the two data transmission parties can simultaneously acquire and transmit the audio and video data by applying for the caching of the audio and video data, and the audio and video data can be simultaneously received and displayed, so that the problem of serious delay of video or audio is avoided, the conventional interphone data transmission system generally encrypts the transmission data by arranging an encryption algorithm in order to improve the safety of the transmission data, so that the situation that important voice data in the interphone are stolen, lost and the like is avoided, but the conventional data transmission system generally only carries out encryption processing on the data once, the encryption effect cannot be guaranteed, the encryption processing is easy to be interpreted, the detection processing process of the voice data is not designed, and therefore, the condition that the voice data in the interphone is fuzzy, unsmooth, incomplete and the like is caused, the complete voice data cannot be acquired after the later decryption, the application effect is bad, the distinction of the inner layer data and the outer layer data cannot be more pertinently encrypted, and the application effect is bad, so that the problem of the interphone system needs to be solved.
Disclosure of Invention
The invention aims at: in order to solve the problems that in the conventional interphone data transmission system, in order to improve the safety of transmission data, encryption algorithm is generally arranged to encrypt the transmission data, so that the situation that important voice data in the interphone are stolen, lost and the like is avoided, but in the conventional data transmission system, encryption effect of the data is generally only carried out once, encryption effect cannot be guaranteed, the data is easy to decipher, meanwhile, detection processing of voice data is not designed, so that the situation that some voice data in the interphone are fuzzy, unsmooth, incomplete and the like is caused, at the moment, even if the voice data is encrypted later, the complete voice data cannot be obtained after later decryption, the application effect is poor, meanwhile, the voice data is not distinguished, the important inner-layer data cannot be encrypted more pertinently, and the application effect is poor is solved.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the interphone data encryption transmission system comprises an interphone voice data centralization module and a voice data detection processing module, wherein the output end of the interphone voice data centralization module is connected with the input end of the voice data detection processing module, the output end of the voice data detection processing module is connected with the input end of an unqualified voice data return module, the output end of the unqualified voice data return module is connected with the input end of a qualified voice data integration module, and the output end of the qualified voice data integration module is connected with the input end of a qualified voice data signal conversion module.
As a further description of the above technical solution:
the output end of the qualified voice data signal conversion module is connected with the input end of the voice data primary encryption module, the output end of the voice data primary encryption module is connected with the input end of the voice data secondary encryption module, the output end of the voice data secondary encryption module is connected with the input end of the encryption data transmission module, the output end of the encryption data transmission module is connected with the input end of the receiving terminal, the output end of the receiving terminal is connected with the input end of the encryption data display module, and the receiving terminal is one or more of an interphone, a mobile phone and a notebook computer.
As a further description of the above technical solution:
the voice data detection processing module comprises a voice data smoothness detection module and a voice data definition detection module, wherein the output end of the voice data smoothness detection module is connected with the input end of the voice data definition detection module, and the output end of the voice data definition detection module is connected with the input end of the voice data integrity detection module.
As a further description of the above technical solution:
the output end of the voice data integrity detection module is connected with the input end of the voice data missing area detection module, and the output end of the voice data missing area detection module is connected with the input end of the voice data missing area quick marking module.
As a further description of the above technical solution:
the qualified voice data signal conversion module comprises a voice data segmentation module and a segmented voice data numbering module, wherein the output end of the voice data segmentation module is connected with the input end of the segmented voice data numbering module, and the output end of the segmented voice data numbering module is connected with the input end of the voice data decoding module.
As a further description of the above technical solution:
the output end of the voice data decoding module is connected with the input end of the signal A/D conversion module, and the output end of the signal A/D conversion module is connected with the input end of the data compression coding module.
As a further description of the above technical solution:
the voice data primary encryption module comprises a data initialization module and a frame-by-frame data reading module, and the output end of the data initialization module is connected with the input end of the frame-by-frame data reading module.
As a further description of the above technical solution:
the output end of the frame-by-frame data reading module is connected with the input end of the random sequence number generating module, the output end of the random sequence number generating module is connected with the input end of the key generating module, and the output end of the key generating module is connected with the input end of the data encrypting module.
As a further description of the above technical solution:
the voice data secondary encryption module comprises an inner layer data dividing module and an outer layer data dividing module, wherein the output end of the inner layer data dividing module and the output end of the outer layer data dividing module are connected with the input end of the random number generating module, the output end of the random number generating module is connected with the input end of the outer layer data encryption module, the output end of the outer layer data encryption module is connected with the input end of the key seed generating module, and the output end of the key seed generating module is connected with the input end of the inner layer data sequence encryption module.
As a further description of the above technical solution:
the encrypted data display module comprises an encrypted data reorganization module, wherein the output end of the encrypted data reorganization module is connected with the input end of the vocoder receiving module, the output end of the vocoder receiving module is connected with the input end of the voice data frame-by-frame decoding module, and the output end of the voice data frame-by-frame decoding module is connected with the input end of the digital-to-analog conversion module.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
according to the invention, the voice data detection processing module is arranged inside, so that the acquired interphone voice data can be detected preliminarily, the characteristics of smoothness, finish, definition and the like in the voice data are analyzed carefully, the qualification of the voice data is judged, the unqualified voice data is sent back, the situation that the complete voice data cannot be acquired even if the voice data is encrypted in the later period and decrypted in the later period is avoided, meanwhile, the specific voice data missing area is detected and calibrated in a targeted manner, the subsequent rapid supplement of the missing voice area is facilitated, meanwhile, the encryption effect of the data is greatly improved, the data is not easy to be deciphered, the data is not easy to be lost, the internal and external data of the voice data are divided in the second encryption, the data can be encrypted in an additional manner, the data encryption effect is further improved, and the whole system has good application effect.
Drawings
Fig. 1 is a schematic block diagram of an intercom data encryption transmission system.
Fig. 2 is a schematic diagram of a submodule structure of a voice data detection processing module in the intercom data encryption transmission system.
Fig. 3 is a schematic diagram of a submodule structure of a qualified voice data signal conversion module in the intercom data encryption transmission system.
Fig. 4 is a schematic diagram of a sub-module structure of a voice data primary encryption module in an intercom data encryption transmission system.
Fig. 5 is a schematic diagram of a sub-module structure of a voice data secondary encryption module in an intercom data encryption transmission system.
Fig. 6 is a schematic diagram of a submodule structure of an encrypted data display module in the intercom data encryption transmission system.
Legend description:
1. a voice data detection processing module; 2. a qualified voice data signal conversion module; 3. a voice data primary encryption module; 4. a voice data secondary encryption module; 5. and the encrypted data display module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-6, the present invention provides a technical solution: the interphone data encryption transmission system comprises an interphone voice data centralization module and a voice data detection processing module 1, wherein the output end of the interphone voice data centralization module is connected with the input end of the voice data detection processing module 1, the output end of the voice data detection processing module 1 is connected with the input end of an unqualified voice data return module, the output end of the unqualified voice data return module is connected with the input end of a qualified voice data integration module, the output end of the qualified voice data integration module is connected with the input end of a qualified voice data signal conversion module 2, the output end of the qualified voice data signal conversion module 2 is connected with the input end of a voice data primary encryption module 3, the output end of the voice data primary encryption module 3 is connected with the input end of a voice data secondary encryption module 4, the output end of the voice data secondary encryption module 4 is connected with the input end of an encryption data transmission module, the output end of the encryption data transmission module is connected with the input end of a receiving terminal, the output end of the receiving terminal is connected with the input end of an encryption data display module 5, and the receiving terminal is connected with a mobile phone display terminal;
the voice data detection processing module 1 comprises a voice data smoothness detection module and a voice data definition detection module, wherein the output end of the voice data smoothness detection module is connected with the input end of the voice data definition detection module, the output end of the voice data definition detection module is connected with the input end of the voice data integrity detection module, the output end of the voice data integrity detection module is connected with the input end of the voice data missing area detection module, and the output end of the voice data missing area detection module is connected with the input end of the voice data missing area quick marking module.
The qualified voice data signal conversion module 2 comprises a voice data segmentation module and a segmented voice data numbering module, wherein the output end of the voice data segmentation module is connected with the input end of the segmented voice data numbering module, the output end of the segmented voice data numbering module is connected with the input end of a voice data decoding module, the output end of the voice data decoding module is connected with the input end of a signal A/D conversion module, and the output end of the signal A/D conversion module is connected with the input end of a data compression coding module.
The voice data primary encryption module 3 comprises a data initialization module and a frame-by-frame data reading module, wherein the output end of the data initialization module is connected with the input end of the frame-by-frame data reading module, the output end of the frame-by-frame data reading module is connected with the input end of the random sequence number generation module, the output end of the random sequence number generation module is connected with the input end of the key generation module, and the output end of the key generation module is connected with the input end of the data encryption module.
The voice data secondary encryption module 4 comprises an inner layer data dividing module and an outer layer data dividing module, wherein the output end of the inner layer data dividing module and the output end of the outer layer data dividing module are connected with the input end of the random number generating module, the output end of the random number generating module is connected with the input end of the outer layer data encryption module, the output end of the outer layer data encryption module is connected with the input end of the key seed generating module, and the output end of the key seed generating module is connected with the input end of the inner layer data sequence encryption module.
The encrypted data display module 5 comprises an encrypted data reorganization module, the output end of the encrypted data reorganization module is connected with the input end of the vocoder receiving module, the output end of the vocoder receiving module is connected with the input end of the voice data frame-by-frame decoding module, and the output end of the voice data frame-by-frame decoding module is connected with the input end of the digital-to-analog conversion module.
In this embodiment, through being provided with the voice data detection processing module inside, can carry out preliminary detection to the intercom voice data who obtains, characteristics such as smoothness in the voice data, the completion degree and definition carry out careful analysis, thereby judge the qualification of voice data, send unqualified voice data back, avoid appearing even encrypting voice data later stage after, the condition that can't obtain complete voice data yet, still pertinence has detected and calibrated specific voice data missing region simultaneously, do benefit to follow-up quick replenishment missing voice region, simultaneously through setting up twice data encryption process, can improve the encryption effect of data greatly, be difficult for being deciphered, data also be difficult for losing, and carry out the inside and outside data division of voice data in the second encryption, can more pertinently carry out extra encryption to data, further improve the data encryption effect, overall system application effect is good.
Example 2
Referring to fig. 1-6, the present invention provides a technical solution: the interphone data encryption transmission system comprises an interphone voice data centralization module and a voice data detection processing module 1, wherein the output end of the interphone voice data centralization module is connected with the input end of the voice data detection processing module 1, the output end of the voice data detection processing module 1 is connected with the input end of an unqualified voice data return module, the output end of the unqualified voice data return module is connected with the input end of a qualified voice data integration module, the output end of the qualified voice data integration module is connected with the input end of a qualified voice data signal conversion module 2, the output end of the qualified voice data signal conversion module 2 is connected with the input end of a voice data primary encryption module 3, the output end of the voice data primary encryption module 3 is connected with the input end of a voice data secondary encryption module 4, the output end of the voice data secondary encryption module 4 is connected with the input end of an encryption data transmission module, the output end of the encryption data transmission module is connected with the input end of a receiving terminal, the output end of the receiving terminal is connected with the input end of an encryption data display module 5, and the receiving terminal is connected with a mobile phone;
the voice data detection processing module 1 comprises a voice data smoothness detection module and a voice data definition detection module, wherein the output end of the voice data smoothness detection module is connected with the input end of the voice data definition detection module, the output end of the voice data definition detection module is connected with the input end of the voice data integrity detection module, the output end of the voice data integrity detection module is connected with the input end of the voice data missing area detection module, and the output end of the voice data missing area detection module is connected with the input end of the voice data missing area quick marking module.
The qualified voice data signal conversion module 2 comprises a voice data segmentation module and a segmented voice data numbering module, wherein the output end of the voice data segmentation module is connected with the input end of the segmented voice data numbering module, the output end of the segmented voice data numbering module is connected with the input end of a voice data decoding module, the output end of the voice data decoding module is connected with the input end of a signal A/D conversion module, and the output end of the signal A/D conversion module is connected with the input end of a data compression coding module.
The voice data primary encryption module 3 comprises a data initialization module and a frame-by-frame data reading module, wherein the output end of the data initialization module is connected with the input end of the frame-by-frame data reading module, the output end of the frame-by-frame data reading module is connected with the input end of the random sequence number generation module, the output end of the random sequence number generation module is connected with the input end of the key generation module, and the output end of the key generation module is connected with the input end of the data encryption module.
The voice data secondary encryption module 4 comprises an inner layer data dividing module and an outer layer data dividing module, wherein the output end of the inner layer data dividing module and the output end of the outer layer data dividing module are connected with the input end of the random number generating module, the output end of the random number generating module is connected with the input end of the outer layer data encryption module, the output end of the outer layer data encryption module is connected with the input end of the key seed generating module, and the output end of the key seed generating module is connected with the input end of the inner layer data sequence encryption module.
The encrypted data display module 5 comprises an encrypted data reorganization module, the output end of the encrypted data reorganization module is connected with the input end of the vocoder receiving module, the output end of the vocoder receiving module is connected with the input end of the voice data frame-by-frame decoding module, and the output end of the voice data frame-by-frame decoding module is connected with the input end of the digital-to-analog conversion module.
In this embodiment, through being provided with the voice data detection processing module inside, can carry out preliminary detection to the intercom voice data who obtains, characteristics such as smoothness in the voice data, the completion degree and definition carry out careful analysis, thereby judge the qualification of voice data, send unqualified voice data back, avoid appearing even encrypting voice data later stage after, the condition that can't obtain complete voice data yet, still pertinence has detected and calibrated specific voice data missing region simultaneously, do benefit to follow-up quick replenishment missing voice region, simultaneously through setting up twice data encryption process, can improve the encryption effect of data greatly, be difficult for being deciphered, data also be difficult for losing, and carry out the inside and outside data division of voice data in the second encryption, can more pertinently carry out extra encryption to data, further improve the data encryption effect, overall system application effect is good.
Example 3
Referring to fig. 1-6, the present invention provides a technical solution: the interphone data encryption transmission system comprises an interphone voice data centralization module and a voice data detection processing module 1, wherein the output end of the interphone voice data centralization module is connected with the input end of the voice data detection processing module 1, the output end of the voice data detection processing module 1 is connected with the input end of an unqualified voice data return module, the output end of the unqualified voice data return module is connected with the input end of a qualified voice data integration module, the output end of the qualified voice data integration module is connected with the input end of a qualified voice data signal conversion module 2, the output end of the qualified voice data signal conversion module 2 is connected with the input end of a voice data primary encryption module 3, the output end of the voice data primary encryption module 3 is connected with the input end of a voice data secondary encryption module 4, the output end of the voice data secondary encryption module 4 is connected with the input end of an encryption data transmission module, the output end of the encryption data transmission module is connected with the input end of a receiving terminal, the output end of the receiving terminal is connected with the input end of an encryption data display module 5, and the receiving terminal is a notebook computer;
the voice data detection processing module 1 comprises a voice data smoothness detection module and a voice data definition detection module, wherein the output end of the voice data smoothness detection module is connected with the input end of the voice data definition detection module, the output end of the voice data definition detection module is connected with the input end of the voice data integrity detection module, the output end of the voice data integrity detection module is connected with the input end of the voice data missing area detection module, and the output end of the voice data missing area detection module is connected with the input end of the voice data missing area quick marking module.
The qualified voice data signal conversion module 2 comprises a voice data segmentation module and a segmented voice data numbering module, wherein the output end of the voice data segmentation module is connected with the input end of the segmented voice data numbering module, the output end of the segmented voice data numbering module is connected with the input end of a voice data decoding module, the output end of the voice data decoding module is connected with the input end of a signal A/D conversion module, and the output end of the signal A/D conversion module is connected with the input end of a data compression coding module.
The voice data primary encryption module 3 comprises a data initialization module and a frame-by-frame data reading module, wherein the output end of the data initialization module is connected with the input end of the frame-by-frame data reading module, the output end of the frame-by-frame data reading module is connected with the input end of the random sequence number generation module, the output end of the random sequence number generation module is connected with the input end of the key generation module, and the output end of the key generation module is connected with the input end of the data encryption module.
The voice data secondary encryption module 4 comprises an inner layer data dividing module and an outer layer data dividing module, wherein the output end of the inner layer data dividing module and the output end of the outer layer data dividing module are connected with the input end of the random number generating module, the output end of the random number generating module is connected with the input end of the outer layer data encryption module, the output end of the outer layer data encryption module is connected with the input end of the key seed generating module, and the output end of the key seed generating module is connected with the input end of the inner layer data sequence encryption module.
The encrypted data display module 5 comprises an encrypted data reorganization module, the output end of the encrypted data reorganization module is connected with the input end of the vocoder receiving module, the output end of the vocoder receiving module is connected with the input end of the voice data frame-by-frame decoding module, and the output end of the voice data frame-by-frame decoding module is connected with the input end of the digital-to-analog conversion module.
In this embodiment, through being provided with the voice data detection processing module inside, can carry out preliminary detection to the intercom voice data who obtains, characteristics such as smoothness in the voice data, the completion degree and definition carry out careful analysis, thereby judge the qualification of voice data, send unqualified voice data back, avoid appearing even encrypting voice data later stage after, the condition that can't obtain complete voice data yet, still pertinence has detected and calibrated specific voice data missing region simultaneously, do benefit to follow-up quick replenishment missing voice region, simultaneously through setting up twice data encryption process, can improve the encryption effect of data greatly, be difficult for being deciphered, data also be difficult for losing, and carry out the inside and outside data division of voice data in the second encryption, can more pertinently carry out extra encryption to data, further improve the data encryption effect, overall system application effect is good.
In examples 1 to 3, it should be noted that:
the specific process of the voice data primary encryption module 3 is as follows:
firstly, inputting a voice signal into an audio coder and decoder, after the audio coder and decoder samples and quantizes the input voice signal, the voice signal is converted into coded data, the coded data is transmitted into a vocoder for receiving, then compression coding is carried out, frame-by-frame data of the voice data are obtained, and a chaotic key sequence with the same length is generated by a composite chaotic system to encrypt plaintext data.
The specific process of the voice data secondary encryption module 4 is as follows:
firstly, dividing the data into inner and outer layers, then automatically generating a random number, taking the random number as the synchronous information of the outer layer data just divided, at the moment, adopting a block cipher algorithm to encrypt and protect the outer layer data, at the moment, taking the obtained random number as a key seed of a sequence cipher algorithm, carrying out sequence encryption on the inner layer data to form ciphertext, and finally encrypting the inner layer data, thereby realizing synchronous encryption on the inner layer data and the outer layer data.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides an intercom data encryption transmission system, includes intercom voice data centralization module and voice data detection processing module (1), its characterized in that: the output end of the interphone voice data centralization module is connected with the input end of the voice data detection processing module (1), the output end of the voice data detection processing module (1) is connected with the input end of the disqualified voice data backtransmission module, the output end of the disqualified voice data backtransmission module is connected with the input end of the qualified voice data integration module, the output end of the qualified voice data integration module is connected with the input end of the qualified voice data signal conversion module (2), the output end of the qualified voice data signal conversion module (2) is connected with the input end of the voice data primary encryption module (3), the output end of the voice data primary encryption module (3) is connected with the input end of the voice data secondary encryption module (4), the output end of the voice data secondary encryption module (4) is connected with the input end of the encryption data transmission module, the output end of the encryption data transmission module is connected with the input end of the encryption data display module (5), the receiving terminal is a voice data display module, one or a plurality of voice data detection modules in the mobile phone, the voice data detection modules are connected with the voice data detection module (1) and the voice data detection module (1) has the voice data definition degree of clarity of being connected with the voice data detection module input end of the voice data detection module, and the voice data detection module has the voice data definition degree of voice data detection module is connected with the voice data input end of voice data input module, the voice data integrity detection module comprises an output end, a voice data missing area detection module, a voice data secondary encryption module (4), an inner layer data dividing module, an outer layer data dividing module, a random number generating module and a key seed generating module, wherein the output end of the voice data integrity detection module is connected with the input end of the voice data missing area detection module, the output end of the voice data missing area detection module is connected with the input end of the voice data missing area quick marking module, the voice data secondary encryption module (4) comprises an inner layer data dividing module and an outer layer data dividing module, the output end of the inner layer data dividing module is connected with the input end of the random number generating module, the output end of the random number generating module is connected with the input end of the outer layer data encryption module, the output end of the key seed generating module is connected with the input end of the inner layer data sequence encryption module, and the specific process of the voice data secondary encryption module (4) is as follows: firstly, dividing the data into an inner layer and an outer layer, then automatically generating a random number, taking the random number as synchronous information of the divided outer layer data, adopting a block cipher algorithm to encrypt and protect the outer layer data, taking the obtained random number as a key seed of a sequence cipher algorithm, and carrying out sequence encryption on the inner layer data to form ciphertext.
2. The interphone data encryption transmission system according to claim 1, wherein the qualified voice data signal conversion module (2) comprises a voice data segmentation module and a segmented voice data numbering module, the output end of the voice data segmentation module is connected with the input end of the segmented voice data numbering module, and the output end of the segmented voice data numbering module is connected with the input end of the voice data decoding module.
3. The intercom data encryption transmission system according to claim 2, wherein the output end of the voice data decoding module is connected with the input end of the signal a/D conversion module, and the output end of the signal a/D conversion module is connected with the input end of the data compression encoding module.
4. An interphone data encryption transmission system according to claim 3, characterized in that the voice data primary encryption module (3) comprises a data initialization module and a frame-by-frame data reading module, and the output end of the data initialization module is connected with the input end of the frame-by-frame data reading module.
5. The intercom data encryption transmission system of claim 4 wherein the output of the frame-by-frame data reading module is connected to the input of a random sequence number generating module, the output of the random sequence number generating module is connected to the input of a key generating module, and the output of the key generating module is connected to the input of a data encryption module.
6. The intercom data encryption transmission system according to claim 5, wherein the encryption data display module (5) comprises an encryption data reorganization module, an output end of the encryption data reorganization module is connected with an input end of a vocoder receiving module, an output end of the vocoder receiving module is connected with an input end of a voice data frame-by-frame decoding module, and an output end of the voice data frame-by-frame decoding module is connected with an input end of a digital-to-analog conversion module.
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