CN107948736A - A kind of audio and video preservation of evidence method and system - Google Patents
A kind of audio and video preservation of evidence method and system Download PDFInfo
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- CN107948736A CN107948736A CN201711067918.8A CN201711067918A CN107948736A CN 107948736 A CN107948736 A CN 107948736A CN 201711067918 A CN201711067918 A CN 201711067918A CN 107948736 A CN107948736 A CN 107948736A
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000004321 preservation Methods 0.000 title claims abstract description 17
- 238000012795 verification Methods 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims description 12
- 238000012937 correction Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
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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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0815—Network architectures or network communication protocols for network security for authentication of entities providing single-sign-on or federations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a kind of audio and video preservation of evidence method and system, this method includes：The audio and video original uploaded to mobile terminal verifies；When verification passes through, the partial data fingerprint of audio and video original is generated, the storage address of audio and video original, the corresponding user information of audio and video original and partial data fingerprint are sent to block chain network, authority being proved to, the storage content in node updates.It can prove that audio-video document forms real-time, substantivity, authenticity, reliability and the security of storage of time and record content by this method, it is achieved thereby that the audio-video document that mobile terminal is recorded becomes believable judicial evidence.
Description
Technical field
This application involves technical field of information processing, more particularly to a kind of audio and video preservation of evidence method and system.
Background technology
With the fast development of computer technology, information technology, Internet technology and the communication technology, the card of electronic data
According to retaining, putting to the proof, increasingly paid attention to be subject to party and judiciary.However, electronic evidence is easily tampered and pseudo- due to it
The characteristics of making, it is difficult to adopted by court, approve, but many electronic evidences are the important clue for reducing the truth of the matter, are lacked
Such evidence, the just rights for being easy to cause obligee cannot get the protection of law.
Audio-video document as judicial evidence to ensure its authenticity, reliability, can not tamper, make it have proof
Function.Audio-video document, is usually retained in local device by existing method for recording or device, exists and is artificially repaiied afterwards
The possibility changed, therefore its evidential effect substantially reduces, and tends not to prove situation at that time as positive evidence.So current pin
It is urgently to be resolved hurrily to the preservation of evidence method of audio-video document in mobile terminal.
The content of the invention
An embodiment of the present invention provides a kind of audio and video preservation of evidence method and system, to realize to mobile terminal middle pitch
The preservation of evidence method of video file.
Its specific technical solution is as follows：
A kind of audio and video preservation of evidence method, the described method includes：
The audio and video original uploaded to mobile terminal verifies；
When verification passes through, the partial data fingerprint of the audio and video original is generated, wherein, a data fingerprint
Identify a frame audio-video document；
By the storage address of the audio and video original, the corresponding user information of the audio and video original and described complete
Entire data fingerprint is sent to block chain network, wherein, the block chain network proves that node is formed by multiple authoritys；
The authority being proved to, the storage content in node updates.
Optionally, before the audio and video original uploaded to mobile terminal verifies, the method further includes：
The authentication information that user is sent by mobile terminal is obtained, and by encryption/decryption module to the authentication
Information is verified；
When the authentication information is verified, private key for user and client public key are generated, wherein, the private key is used
Audio-video document encryption is carried out in the mobile terminal；
The private key is sent to the mobile terminal, and the public key and user information are sent to the block chain
Network, so that the authority in the block chain network proves that node stores the public key and the user information.
Optionally, after the authentication information is verified, the method further includes：
When receiving the recording audio/video request of mobile terminal transmission, start recording to mobile terminal feedback and refer to
Order；
Receive data fingerprint file, sequence number and the audio and video for every frame data that mobile terminal passes through the private key encryption
File starting recording time；
Encrypted data fingerprint file, sequence number and audio-video document starting recording time per frame data is solved
It is close, and store data fingerprint file, sequence number and the starting recording time.
Optionally, the audio and video original uploaded to mobile terminal verifies, including：
The audio and video original of the private key encryption uploaded using public key to receiving mobile terminal is decrypted；
Generate in the audio and video original per frame data finger print data and sequence number, and with the finger print data of storage
And sequence number is verified one by one；
When verification passes through, the audio and video original is sent to module of coming to testify.
Optionally, after the storage content renewal during the authority to be proved to node, the method further includes：
Receive the logging request of mobile terminal；
Logging request by when, to the mobile terminal send login successfully information；
The request of coming to testify that the mobile terminal is sent is received, and determines that the sound that user's selection is come to testify regards according to request of coming to testify
Frequency original, and the result that will come to testify feeds back to the mobile terminal.
A kind of audio and video preservation of evidence system, including：
Correction verification module, the audio and video original for being uploaded to mobile terminal verify；
Processing module, for when verification passes through, generating the partial data fingerprint of the audio and video original, by the sound
The storage address of video original, the corresponding user information of the audio and video original and the partial data fingerprint send to
The authority, is proved that the storage content in node is updated by block chain network.
Optionally, the processing module, is additionally operable to obtain the authentication information that user is sent by mobile terminal, and leads to
Encryption/decryption module is crossed to verify the authentication information；When the authentication information is verified, user is generated
Private key and client public key, wherein, the private key is used for the mobile terminal and carries out audio-video document encryption；The private key is sent out
Send to the mobile terminal, and the public key and user information are sent to the block chain network, so that the block chain
Authority in network proves that node stores the public key and the user information.
Optionally, the processing module, is additionally operable to when receiving the recording audio/video request of mobile terminal transmission, to institute
State mobile terminal feedback and start record command；Receive the data fingerprint text for every frame data that mobile terminal passes through the private key encryption
Part, sequence number and audio-video document starting recording time；To encrypted data fingerprint file per frame data, sequence number and
Audio-video document starting recording time is decrypted, and stores data fingerprint file, sequence number and the starting recording time.
Optionally, the correction verification module, specifically for the private key encryption uploaded using public key to receiving mobile terminal
Audio and video original be decrypted；Finger print data and sequence number per frame data in the audio and video original are generated, and
Verified one by one with the finger print data and sequence number of storage；When verification passes through, by the audio and video original send to
Come to testify module.
Optionally, the processing module, is additionally operable to receive the logging request of mobile terminal；Logging request by when, to
The mobile terminal sends and logins successfully information；The request of coming to testify that the mobile terminal is sent is received, and it is true according to request of coming to testify
The audio and video original that user's selection is come to testify is made, and the result that will come to testify feeds back to the mobile terminal.
By method provided by the present invention block chain technology can be used to receive single authoritative certifying authority node
Data be packed into block and share to all nodes of the whole network to be stored, be not only able to make storage data have it is highly safe
Property and can not tamper, all nodes all volumes in network can also be made to provide the service of coming to testify for evidence owning user, the card
According to fixing means can prove audio-video document form the time and record the real-time of content, substantivity, authenticity, reliability with
And the security of storage, it is achieved thereby that the audio-video document that mobile terminal is recorded becomes believable judicial evidence.
Brief description of the drawings
Fig. 1 is a kind of flow chart of audio and video preservation of evidence method in the embodiment of the present invention；
Fig. 2 is the structure diagram of audio and video safety system in the embodiment of the present invention；
Fig. 3 is the method flow schematic diagram of proof of identity in the embodiment of the present invention；
Fig. 4 is the recording flow diagram of audio-video document in the embodiment of the present invention；
Fig. 5 is the checking process schematic diagram of audio and video original in the embodiment of the present invention；
Fig. 6 is the flow diagram of operating method of coming to testify in the embodiment of the present invention；
Fig. 7 is a kind of structure diagram of audio and video preservation of evidence system in the embodiment of the present invention.
Embodiment
Technical solution of the present invention is described in detail below by attached drawing and specific embodiment, it will be appreciated that this hair
Particular technique feature in bright embodiment and embodiment is the explanation to technical solution of the present invention, rather than is limited, not
In the case of conflict, the particular technique feature in the embodiment of the present invention and embodiment can be mutually combined.
It is a kind of flow chart of audio and video preservation of evidence method in the embodiment of the present invention as shown in Figure 1, this method includes：
S101, the audio and video original uploaded to mobile terminal verify；
S102, when verification passes through, generates the partial data fingerprint of audio and video original；
S103, by the storage address of audio and video original, the corresponding user information of audio and video original and partial data
Fingerprint sends block chain network；
S104, proves that storage content updates in node by authority.
Specifically, the method that the embodiment of the present invention is provided can be applied in audio and video safety system, and the system is such as
Shown in Fig. 2, which includes mobile terminal, authority proves server and block chain network.
Mobile terminal includes proof of identity module, audio and video evidence obtaining module, evidence fixed module, evidence management module, goes out
Demonstrate,prove module and receive sending module.
Authority proves server as the authoritative certifying authority control selected by mobile terminal, including：Deciphering module, storage mould
Block, correction verification module, module of coming to testify and reception sending module.
Block chain network is by m authoritative certifying authority structure, passes through single authoritative proof machine for memory mobile terminal
The data message that structure uploads.
Before being verified to the audio-video document that mobile terminal uploads, it is necessary first to user identity is verified,
The method flow of the proof of identity is as shown in Figure 3：
S301, obtains the authentication information that user is sent by mobile terminal, and identity is tested by encryption/decryption module
Card information is verified；
User selects authoritative certifying authority to verify identity by mobile terminal first, is sent to authoritative certification structure server
Authentication information, authoritative certifying authority receives authentication information by receiving sending module, and authentication information is turned
Encryption/decryption module is sent to be verified.
S302, when being verified, generates private key for user and client public key；
After being verified, the corresponding asymmetric private key for user of the user is generated by encryption/decryption module and user is public
Key, the user's private key are encrypted data message for mobile terminal, and the user's public key, which is used for authority, proves that server pair adds
Ciphertext data information is decrypted.
S303, private key is sent to mobile terminal, and public key and user information are sent to block chain network, so that area
Authority in block chain network proves node storage of public keys and user information.
Authoritative certifying authority server is broadcasted client public key and user information to block chain by receiving sending module
All nodes in network, the node controlled by authoritative certifying authority in block chain network receive after information by information store to
The memory module of corresponding node.
Verification and the corresponding encryption and decryption secret key of generation to user information are just completed by above-mentioned mode.
After user information verification is completed, it is possible to carry out audio-video document recording, the tool which records
Body method flow is as shown in figure 4, the recording flow of the audio-video document includes：
S401, when receiving the recording audio/video request of mobile terminal transmission, starts recording to mobile terminal feedback and refers to
Order；
In subscriber authentication by the way that afterwards, user can first select authoritative certifying authority in audio and video evidence obtaining module, so
Audio and video recording request is sent to authority's certifying authority, corresponding authority's certifying authority, which receives, to be recorded after request when starting again afterwards
Between, and return to beginning record command.
S402, data fingerprint file, sequence number and the sound for receiving every frame data that mobile terminal passes through private key encryption regard
Frequency file starting recording time；
After mobile terminal receives beginning record command, mobile terminal will pass through audio and video evidence obtaining module and carry out audio and video
Document recording, then generates data fingerprint and sequence number per frame audio-video document, and mobile terminal is by every frame data of generation
Sent after fingerprint and the private key encryption of sequence number use certificate module storage by receiving sending module to corresponding power
Prestige certifying authority server.
S403, to encrypted data fingerprint file, sequence number and audio-video document starting recording time per frame data
It is decrypted, and stores data fingerprint file, sequence number and the starting recording time.
Authoritative certifying authority server is decrypted using the client public key that memory module stores, and the data after decryption are referred to
Line file and sequence number and audio-video document recording starting time are stored to memory module, and authoritative certifying authority is in a period of time
This document recording is then given tacit consent to when being inside not received by new message to terminate, and returns to storage result to mobile terminal, examines storage
The sequence number of file returns to the successful information of storage if errorless in module.
Mobile terminal receives the storage successful information that authoritative certifying authority is sent, and audio and video collect evidence module then by audio and video
Original landing is preserved to local memory, and shows the relevant information and corresponding operating of file in evidence fixed module.
After above-mentioned operation is completed, it is possible to perform what the audio and video original uploaded to mobile terminal was verified
Operation, the checking process to audio and video original is as shown in figure 5, the checking process includes：
S501, the audio-video document of the private key encryption uploaded using public key to receiving mobile terminal are decrypted；
User can be in the terminal evidence fixed module carry out the deletion of evidence original and upload operation, only will
Audio and video original, which is uploaded to after authoritative certifying authority server is verified, can just carry out operation of coming to testify, so user selects
, it is necessary to select corresponding authoritative institution and be encrypted using private key after evidence upload operation, by encrypted audio and video original text
Part is uploaded to corresponding authoritative certifying authority server.
S502, generate audio and video original in per frame data finger print data and sequence number, and with the fingerprint number of storage
According to this and sequence number is verified one by one；
For authoritative certifying authority server after encryption original is received, authoritative certifying authority server uses encryption and decryption
Encryption original is decrypted in the client public key of module, and the correction verification module generation after decryption in authoritative certifying authority server is every
The data fingerprint of frame audio-video document, then according to the sequence number stored in memory module and the every frame data fingerprint wherein stored
Verified one by one, and check results are fed back into mobile terminal.
S503, when verification passes through, audio and video original is sent to module of coming to testify.
When verification passes through, illustrate the audio and video original not by modification or delete, be exactly the audio and video original
For complete file, the audio and video original is finally sent to module of coming to testify, so that module of subsequently coming to testify is former using the audio and video
File is come to testify.
Verification to audio and video original is just completed by the flow shown in Fig. 5, will be to the sound after completing to verify
Video original carries out the preservation of evidence, that is, method flow as shown in Figure 1, in this method flow, authoritative certifying authority clothes
The audio and video original for verifying completion is transferred to module of coming to testify by business device, and in the complete of correction verification module generation audio and video original
Data fingerprint is simultaneously stored to memory module.
Authoritative certifying authority server sends audio and video original storage address, user information and partial data fingerprint
To block chain network, after all authority's certifying authority nodes receive the information in block chain network, according to block chain rule
The information package received is added in original block chain into block, and new to the whole network authority's certifying authority node broadcasts
Block chain content, in the block chain that the authoritative certifying authority node in last block chain network will store in local block chain module
Appearance is updated.
It can not only ensure the security and integrality of audio and video original, and it is also ensured that area by this method
All authoritys in block chain network prove that node can provide the service of coming to testify to the user in real time, improve the efficiency come to testify.
After the preservation of evidence of audio and video original is completed, user can carry out operation of coming to testify by mobile terminal,
Come to testify operation specific method flow as shown in fig. 6, this method includes：
S601, receives the log on request of mobile terminal；
S602, log on request by when, to mobile terminal send log in successful information；
User by mobile terminal to required authoritative certifying authority server send log on request when, by relevant user information
Send to corresponding authoritative certifying authority server.Authoritative institution proves that the user information of server acquisition memory module is tested
Card, is then back to and logs in result to mobile terminal.
S603, receives the request of coming to testify that mobile terminal is sent, and determines that user selects the sound come to testify according to request of coming to testify
Video original, and the result that will come to testify feeds back to mobile terminal.
After user logs in successfully, user can select the audio and video original text that can be come to testify in the module of coming to testify of mobile terminal
Part, and request of coming to testify is sent to corresponding authoritative certifying authority server, after authoritative certifying authority server receives request of coming to testify,
The audio and video original come to testify first in the block search of coming to testify of server with the presence or absence of needs, if in the presence of for the audio and video
Original is come to testify, and is returned and come to testify middle state to mobile terminal；If the audio and video original is not present, then in block chain
Search whether there is the audio and video original in network, if so, can be then that the audio and video original is come to testify and returned out
State in card, if not having, returns to verification not by the result for failure of coming to testify to mobile terminal.
By above-mentioned method block chain technology can be used to beat the data that single authoritative certifying authority node receives
Bag, which forms block and shares to all nodes of the whole network, to be stored, and is not only able to make the data of storage to have tight security and not
Can tamper, all nodes all volumes in network can also be made to provide the service of coming to testify for evidence owning user, the evidence fixation side
Method can prove that audio-video document forms the time and records the real-time of content, substantivity, authenticity, reliability and storage
Security, it is achieved thereby that the audio-video document that mobile terminal is recorded becomes believable judicial evidence.
Further, a kind of audio and video preservation of evidence system is additionally provided in embodiments of the present invention, and being illustrated in figure 7 this is
The structure diagram of system, the system include：
Correction verification module 701, the audio and video original for being uploaded to mobile terminal verify；
Processing module 702, for when verification passes through, generating the partial data fingerprint of the audio and video original, by institute
State storage address, the corresponding user information of the audio and video original and the partial data fingerprint hair of audio and video original
Send to block chain network, the authority being proved to, the storage content in node updates.
Further, in embodiments of the present invention, the processing module 702, is additionally operable to acquisition user and is sent out by mobile terminal
The authentication information sent, and the authentication information is verified by encryption/decryption module；Believe in the authentication
When breath is verified, private key for user and client public key are generated, wherein, the private key is used for the mobile terminal and carries out audio and video
File encryption；The private key is sent to the mobile terminal, and the public key and user information are sent to the block
Chain network, so that the authority in the block chain network proves that node stores the public key and the user information.
Further, in embodiments of the present invention, the processing module 702, is additionally operable to receiving mobile terminal transmission
When recording audio/video is asked, fed back to the mobile terminal and start record command；Receive mobile terminal and pass through the private key encryption
Every frame data data fingerprint file, sequence number and audio-video document starting recording time；To encrypted every frame data
Data fingerprint file, sequence number and audio-video document starting recording time are decrypted, and store the data fingerprint file,
Sequence number and starting recording time.
Further, in embodiments of the present invention, the correction verification module 701, specifically for mobile whole to receiving using public key
The audio and video original of the private key encryption uploaded is held to be decrypted；Generate the finger per frame data in the audio and video original
Line data and sequence number, and verified one by one with the finger print data of storage and sequence number；When verification passes through, by described in
Audio and video original is sent to module of coming to testify.
Further, in embodiments of the present invention, the processing module 702, is additionally operable to receive the logging request of mobile terminal；
Logging request by when, to the mobile terminal send login successfully information；Receiving the coming to testify for mobile terminal transmission please
Ask, and determine that user selects the audio and video original come to testify according to request of coming to testify, and the result that will come to testify feeds back to the movement
Terminal.
The realization principle of the specific system has been described in detail in above-mentioned embodiment of the method, is just repeated no more herein.
Although having been described for the preferred embodiment of the application, one of ordinary skilled in the art once knows substantially
Creative concept, then can make these embodiments other change and modification.So appended claims are intended to be construed to wrap
Include preferred embodiment and fall into all change and modification of the application scope.
Obviously, those skilled in the art can carry out the application essence of the various modification and variations without departing from the application
God and scope.In this way, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising including these modification and variations.
Claims (10)
- A kind of 1. audio and video preservation of evidence method, it is characterised in that the described method includes：The audio and video original uploaded to mobile terminal verifies；When verification passes through, the partial data fingerprint of the audio and video original is generated, wherein, a data fingerprint mark One frame audio-video document；By the storage address of the audio and video original, the corresponding user information of the audio and video original and the complete number Sent according to fingerprint to block chain network, wherein, the block chain network proves that node is formed by multiple authoritys；The authority being proved to, the storage content in node updates.
- 2. the method as described in claim 1, it is characterised in that verified in the audio and video original uploaded to mobile terminal Before, the method further includes：The authentication information that user is sent by mobile terminal is obtained, and by encryption/decryption module to the authentication information Verified；When the authentication information is verified, private key for user and client public key are generated, wherein, the private key is used for institute State mobile terminal and carry out audio-video document encryption；The private key is sent to the mobile terminal, and the public key and user information are sent to the block link network Network, so that the authority in the block chain network proves that node stores the public key and the user information.
- 3. method as claimed in claim 2, it is characterised in that after the authentication information is verified, the side Method further includes：When receiving the recording audio/video request of mobile terminal transmission, fed back to the mobile terminal and start record command；Receive data fingerprint file, sequence number and the audio-video document for every frame data that mobile terminal passes through the private key encryption Starting recording time；Encrypted data fingerprint file, sequence number and audio-video document starting recording time per frame data is decrypted, And store data fingerprint file, sequence number and the starting recording time.
- 4. method as claimed in claim 3, it is characterised in that the audio and video original uploaded to mobile terminal verifies, Including：The audio and video original of the private key encryption uploaded using public key to receiving mobile terminal is decrypted；Generate in the audio and video original per frame data finger print data and sequence number, and with the finger print data of storage and Sequence number is verified one by one；When verification passes through, the audio and video original is sent to module of coming to testify.
- 5. method as claimed in claim 4, it is characterised in that the authority is being proved that the storage content in node updates it Afterwards, the method further includes：Receive the logging request of mobile terminal；Logging request by when, to the mobile terminal send login successfully information；The request of coming to testify that the mobile terminal is sent is received, and determines that the audio and video that user's selection is come to testify are former according to request of coming to testify File, and the result that will come to testify feeds back to the mobile terminal.
- A kind of 6. audio and video preservation of evidence system, it is characterised in that including：Correction verification module, the audio and video original for being uploaded to mobile terminal verify；Processing module, for when verification passes through, generating the partial data fingerprint of the audio and video original, by the audio and video The storage address of original, the corresponding user information of the audio and video original and the partial data fingerprint are sent to block The authority, is proved that the storage content in node is updated by chain network.
- 7. system as claimed in claim 6, it is characterised in that the processing module, is additionally operable to acquisition user and passes through movement eventually The authentication information sent is held, and the authentication information is verified by encryption/decryption module；Tested in the identity Demonstrate,prove Information Authentication by when, generate private key for user and client public key, wherein, the private key is used for the mobile terminal and carries out sound Video file encryption；The private key is sent to the mobile terminal, and the public key and user information are sent to described Block chain network, so that the authority in the block chain network proves that node stores the public key and the user information.
- 8. system as claimed in claim 7, it is characterised in that the processing module, is additionally operable to receiving mobile terminal hair During the recording audio/video request sent, fed back to the mobile terminal and start record command；Receive mobile terminal and pass through the private key Encrypted data fingerprint file, sequence number and audio-video document starting recording time per frame data；To encrypted per frame number According to data fingerprint file, sequence number and audio-video document starting recording time be decrypted, and store the data fingerprint File, sequence number and starting recording time.
- 9. system as claimed in claim 8, it is characterised in that the correction verification module, specifically for being moved using public key to receiving The audio and video original for the private key encryption that dynamic terminal uploads is decrypted；Generate in the audio and video original per frame data Finger print data and sequence number, and verified one by one with the finger print data of storage and sequence number；, will when verification passes through The audio and video original is sent to module of coming to testify.
- 10. system as claimed in claim 9, it is characterised in that the processing module, is additionally operable to receive the login of mobile terminal Request；Logging request by when, to the mobile terminal send login successfully information；Receive going out for the mobile terminal transmission Card request, and the audio and video original come to testify of user's selection is determined according to request of coming to testify, and the result that will come to testify feed back to it is described Mobile terminal.
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| CN108462885A (en) * | 2018-05-09 | 2018-08-28 | 广东工业大学 | A kind of video storage method, device and medium based on block chain |
| CN108540823A (en) * | 2018-05-15 | 2018-09-14 | 北京首汽智行科技有限公司 | A kind of integrity of video method of calibration based on block chain technology |
| CN108712431A (en) * | 2018-05-24 | 2018-10-26 | 广东工业大学 | A kind of traffic information deposit method and device based on alliance's chain |
| CN108920966A (en) * | 2018-06-25 | 2018-11-30 | 北京奇虎科技有限公司 | A kind of block chain deposits card, evidence collecting method and device |
| CN109102437A (en) * | 2018-08-10 | 2018-12-28 | 山东省计算中心（国家超级计算济南中心） | A kind of webpage automatic evidence-collecting method and system based on block chain |
| CN109101832A (en) * | 2018-07-24 | 2018-12-28 | 安徽问法信息技术有限公司 | A kind of testament electronic data management method based on block chain |
| CN109325765A (en) * | 2018-09-30 | 2019-02-12 | 真相网络科技（北京）有限公司 | A kind of intelligence really weighs method and intelligent contract system |
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| CN110035105A (en) * | 2018-12-13 | 2019-07-19 | 阿里巴巴集团控股有限公司 | Record screen evidence collecting method, system and electronic equipment based on block chain |
| CN110084573A (en) * | 2018-11-30 | 2019-08-02 | 阿里巴巴集团控股有限公司 | Multi-media protocol based on block chain signs method and device |
| CN110188546A (en) * | 2019-04-26 | 2019-08-30 | 特斯联（北京）科技有限公司 | A kind of teaching resource management method based on information bank platform |
| CN110753105A (en) * | 2019-10-17 | 2020-02-04 | 中国建设银行股份有限公司 | Data transmission method, device, system, electronic equipment and storage medium |
| CN111093100A (en) * | 2018-10-23 | 2020-05-01 | 能来（上海）信息技术有限公司 | Video tracing method based on block chain |
| CN111405223A (en) * | 2019-01-02 | 2020-07-10 | 中国移动通信有限公司研究院 | Video processing method, device and equipment |
| CN111726345A (en) * | 2020-06-15 | 2020-09-29 | 电子科技大学 | Video real-time face encryption and decryption method based on authorization authentication |
| WO2020249112A1 (en) * | 2019-06-14 | 2020-12-17 | 山东省计算中心（国家超级计算济南中心） | Method and system for digital evidence fixing and network forensics on basis of memory forensics and blockchain |
| CN112769953A (en) * | 2021-01-26 | 2021-05-07 | 山西晋合思创信息科技有限公司 | Judicial case data diversified preservation method and system based on cloud storage |
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| CN108462885A (en) * | 2018-05-09 | 2018-08-28 | 广东工业大学 | A kind of video storage method, device and medium based on block chain |
| CN108540823A (en) * | 2018-05-15 | 2018-09-14 | 北京首汽智行科技有限公司 | A kind of integrity of video method of calibration based on block chain technology |
| CN108712431A (en) * | 2018-05-24 | 2018-10-26 | 广东工业大学 | A kind of traffic information deposit method and device based on alliance's chain |
| CN108712431B (en) * | 2018-05-24 | 2021-09-21 | 广东工业大学 | Alliance chain-based traffic information storage method and device |
| CN108920966A (en) * | 2018-06-25 | 2018-11-30 | 北京奇虎科技有限公司 | A kind of block chain deposits card, evidence collecting method and device |
| CN109101832A (en) * | 2018-07-24 | 2018-12-28 | 安徽问法信息技术有限公司 | A kind of testament electronic data management method based on block chain |
| CN109102437A (en) * | 2018-08-10 | 2018-12-28 | 山东省计算中心（国家超级计算济南中心） | A kind of webpage automatic evidence-collecting method and system based on block chain |
| CN109325765A (en) * | 2018-09-30 | 2019-02-12 | 真相网络科技（北京）有限公司 | A kind of intelligence really weighs method and intelligent contract system |
| CN111093100A (en) * | 2018-10-23 | 2020-05-01 | 能来（上海）信息技术有限公司 | Video tracing method based on block chain |
| CN111093100B (en) * | 2018-10-23 | 2021-08-24 | 能来（上海）信息技术有限公司 | Video tracing method based on block chain |
| WO2020108046A1 (en) * | 2018-11-26 | 2020-06-04 | 阿里巴巴集团控股有限公司 | Cross-block chain interaction method and system, computer device, and storage medium |
| CN110020956A (en) * | 2018-11-26 | 2019-07-16 | 阿里巴巴集团控股有限公司 | A kind of exchange method and system, computer equipment and storage medium of transregional piece of chain |
| US11127088B2 (en) | 2018-11-26 | 2021-09-21 | Advanced New Technologies Co., Ltd. | Cross-blockchain interaction method, system, computer device, and storage medium |
| CN110084573A (en) * | 2018-11-30 | 2019-08-02 | 阿里巴巴集团控股有限公司 | Multi-media protocol based on block chain signs method and device |
| TWI745749B (en) * | 2018-11-30 | 2021-11-11 | 開曼群島商創新先進技術有限公司 | Block chain-based audio agreement signing method and device, and electronic equipment |
| CN110035105A (en) * | 2018-12-13 | 2019-07-19 | 阿里巴巴集团控股有限公司 | Record screen evidence collecting method, system and electronic equipment based on block chain |
| CN111405223A (en) * | 2019-01-02 | 2020-07-10 | 中国移动通信有限公司研究院 | Video processing method, device and equipment |
| CN110188546A (en) * | 2019-04-26 | 2019-08-30 | 特斯联（北京）科技有限公司 | A kind of teaching resource management method based on information bank platform |
| CN110188546B (en) * | 2019-04-26 | 2020-07-10 | 特斯联（北京）科技有限公司 | Teaching resource management method based on information base platform |
| WO2020249112A1 (en) * | 2019-06-14 | 2020-12-17 | 山东省计算中心（国家超级计算济南中心） | Method and system for digital evidence fixing and network forensics on basis of memory forensics and blockchain |
| CN110753105A (en) * | 2019-10-17 | 2020-02-04 | 中国建设银行股份有限公司 | Data transmission method, device, system, electronic equipment and storage medium |
| CN111726345B (en) * | 2020-06-15 | 2021-07-06 | 电子科技大学 | Video real-time face encryption and decryption method based on authorization authentication |
| CN111726345A (en) * | 2020-06-15 | 2020-09-29 | 电子科技大学 | Video real-time face encryption and decryption method based on authorization authentication |
| CN112802501A (en) * | 2021-01-14 | 2021-05-14 | 张家昊 | Time recording method |
| CN112769953A (en) * | 2021-01-26 | 2021-05-07 | 山西晋合思创信息科技有限公司 | Judicial case data diversified preservation method and system based on cloud storage |
| CN117640868A (en) * | 2024-01-23 | 2024-03-01 | 宁波菊风系统软件有限公司 | Intelligent double-recording system and method |
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