CN116527237A - Block chain predictor for real-time evidence storage - Google Patents

Block chain predictor for real-time evidence storage Download PDF

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Publication number
CN116527237A
CN116527237A CN202211416153.5A CN202211416153A CN116527237A CN 116527237 A CN116527237 A CN 116527237A CN 202211416153 A CN202211416153 A CN 202211416153A CN 116527237 A CN116527237 A CN 116527237A
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electronic evidence
evidence
electronic
blockchain
information
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蔡维德
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Tianmin Qingdao International Sandbox Research Institute Co ltd
Zeu Crypto Networks Inc
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Tianmin Qingdao International Sandbox Research Institute Co ltd
Zeu Crypto Networks Inc
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Publication of CN116527237A publication Critical patent/CN116527237A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • G—PHYSICS
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    • 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
    • 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
    • H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
    • 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
    • H04L63/12—Applying verification of the received information
    • 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]
    • H—ELECTRICITY
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Abstract

The invention provides a blockchain predictor for real-time evidence storage, comprising: the client comprises a plurality of intelligent terminal devices and is used for recording evidence in real time and uploading the evidence to the blockchain system on the electronic evidence collection platform; the software system comprises a client mobile phone evidence collection App and PC application software; the electronic evidence collection platform is a website on the Internet or an interconnection network and is provided with one or more first blockchain systems and a big data platform; the judicial electronic evidence center comprises one or more second blockchain systems and is used for storing and fixing the electronic evidence and the primary analysis result sent by the electronic evidence collection platform, performing secondary independent analysis on the basis of the electronic evidence and the primary analysis result by the judicial electronic evidence center to obtain a final authentication result for the electronic evidence, and storing the final authentication result in the second blockchain systems; the copyright registration center comprises a third blockchain system and is used for recording electronic copyright information and electronic evidence sent by the electronic evidence collection platform; and the CA center is used for providing public and private keys required by PKI.

Description

Block chain predictor for real-time evidence storage
Technical Field
The invention belongs to the technical fields of real-time calculation, judicial electronic evidence collection and authentication, blockchain, intelligent contracts, predictors, encryption protocols and intelligent terminals, and particularly relates to a blockchain predictors for real-time evidence storage.
Background
Blockchains have emerged worldwide in 2008, and due to their non-tamperability, consensus properties, technology is often used in a variety of applications, such as judicial electronic evidence storage. Although the blockchain system can ensure that the stored data cannot be tampered with, the existence of the data on the blockchain cannot be guaranteed to be trusted, and the stored data cannot be guaranteed to be used as judicial electronic evidence. Traditionally, the evidence chinese judicial community has placed a series of requirements for judicial electronic data evidence, including the collection and verification of electronic data. The shortcomings of analyzing current electronic evidence, in combination with recent events, include:
(1) Evidence collection delay: after an event, but with a delay in data acquisition, some important data may have changed and it is difficult to prove the authenticity of the acquired information later;
(2) Electronic evidence collection may require prior deployment of the instrument: many sensors can collect information, but most of the sensors need to be deployed in advance, otherwise, the information cannot be collected;
(3) Handset information authenticity: because the mobile phone system can have different configurations, the electronic evidence collected by the mobile phone can be accepted only after being strictly verified;
(4) The electronic proof is tampered with at the time of delivery: after data collection, there is a possibility that the data has not been uploaded into the blockchain system and has been tampered with at the time of processing;
(5) Uniqueness cannot be demonstrated: even if the information is linked, it is difficult to prove that the information on the link is unique;
(6) Copyright is difficult to confirm: after an event occurs, someone issues correct evidence (such as a photo), and the publisher owns the copyright of the evidence, but after the event is issued on a website, other units issue the same information to make profit, so that the copyright party is damaged;
(7) Authenticity is suspected: if the authenticity cannot be guaranteed, the real message can be mistakenly considered to be false, and after a piece of real information is released, the information is surprisingly considered to be the false message by netizens, and criticizing is performed on the network;
(8) To false true: a false message, because it propagates through the medium many times, is instead considered by the netizen as a true message.
The predicting machine is a research topic of the domestic and foreign hot blockchain kingdom, a plurality of physical sensors are proposed abroad, data are collected and then transmitted to a data collection center, and the data collection center is processed and then transmitted to a blockchain system for verification and storage. A disadvantage of the current predictive architecture is that these physical sensors and data collection centers must be deployed in advance, and related information cannot be collected without prior deployment at the scene.
The smart terminal, and in particular the smart phone, can solve this problem, since the smart phone is mobile, the smart phone can act as a sensor, collecting information (e.g. photographing) and uploading it to the blockchain system immediately. However, the mobile phone is controlled in the personal hand and has different configurations, so that the mobile phone still has certain difficulty in collecting judicial electronic evidence. For example, a cell phone photo may record a photo date, time, address (e.g., the morning of Beijing city), cell phone number (including brand, cell phone model, departure date), owner identity information, but some information jurisdictions may not be fully acceptable, such as the address of the photo location. The judicial institution cannot accept the address information provided by the mobile phone, and a problem (7) occurs because the mobile phone system has the authority to change the address information.
Disclosure of Invention
In order to solve one or more technical problems in the prior art, the invention provides a blockchain predictor for real-time evidence storage, which adopts an intelligent terminal with partial or all functions in photographing, shooting and recording, for example, a smart phone is used as the predictor, and a judicial acceptable electronic evidence system can be collected in real time by using technologies such as blockchain, artificial intelligence, encryption protocol and the like.
The invention provides a blockchain predictor for real-time evidence storage, which is based on NFR realization and fuses identity authentication and collection of electronic evidence, and comprises the following steps:
the system comprises an electronic evidence collection end and an electronic evidence verification end, wherein:
the electronic evidence mobile phone collection end comprises:
the client comprises a plurality of intelligent terminal devices, wherein the intelligent terminal devices have part or all of the functions of photographing, shooting and recording, and are used for recording evidence in real time and uploading the evidence to the blockchain system on the electronic evidence collection platform;
the software system comprises a client mobile phone evidence collection App and PC application software: the client mobile phone end evidence collection App and the PC end application software are used for collecting the electronic evidence submitted by the intelligent terminal, inquiring the electronic evidence, adding new comments for the electronic evidence and analyzing and acquiring the relevance of a plurality of electronic evidences through the client mobile phone end and the PC end respectively;
the electronic evidence collection platform is a website on the Internet or an interconnection network and is provided with one or more first blockchain systems and a big data platform, wherein the first blockchain systems are used for collecting the electronic evidence and electronic copyright information corresponding to the electronic evidence, the big data platform is used for carrying out artificial intelligent analysis on the electronic evidence to obtain a preliminary analysis result, and the preliminary analysis result comprises basic information and credibility of the electronic evidence;
The electronic evidence verification terminal comprises:
the judicial electronic evidence center comprises one or more second blockchain systems and is used for storing and fixing the electronic evidence and the primary analysis result sent by the electronic evidence collection platform, performing secondary independent analysis on the basis of the electronic evidence and the primary analysis result by the judicial electronic evidence center to obtain a final authentication result for the electronic evidence, and storing the final authentication result in the second blockchain systems;
the copyright registration center comprises a third blockchain system and is used for recording electronic copyright information and electronic evidence sent by the electronic evidence collection platform; and
and the CA center is used for providing public and private keys required by PKI.
Preferably, the smart contract mobile phone is used as a prophetic machine to collect electronic evidence.
Preferably, the client accommodates a large number of participating intelligent terminal devices, including a 10 hundred million class national or a hundred million class world class number of intelligent terminal devices.
Preferably, the first, second and third blockchain systems may be shared, the sharing referring to any one blockchain system being at least one node of the other blockchain system.
Preferably, the electronic evidence collection platform is implemented based on digital Rights (NFR).
Preferably, the electronic evidence collection platform can have a plurality of electronic evidence collection platforms, each electronic evidence collection platform can operate independently or cooperatively, and mutual backup ensures that the electronic evidence is not misunderstood maliciously.
Preferably, the rights registering mechanism is connected to one or more rights centres, for example a national level centre and/or a regional centre.
Preferably, the judicial electronic evidence center and the copyright registration mechanism select to have own blockchain systems, and regard the judicial electronic evidence center as own clients; or have their own blockchain system at the same time, but also participate in the nodes of the blockchain system on the platform side.
Preferably, the software system will shield some of the functions of the shot from interfering with the electronic proof.
Preferably, the pictures, voice and video are stored in any media protocol, including JPEG, MP3 or MP4.
The second aspect of the present invention provides a blockchain predictor forensic right-keeping method for real-time forensic, comprising:
s1, collecting data evidence; and
and S2, performing right maintenance based on the data evidence.
As a preferred embodiment, the S1 includes:
s11, registration stage: the client downloads the platform application software and registers in the platform application software;
s12, acquisition: the client shoots, records and/or shoots videos in real time through the intelligent terminal and transmits the videos as electronic evidence to the electronic evidence collection platform, and the electronic evidence collection platform receives the electronic evidence and then places the electronic evidence on a first blockchain system of the electronic evidence collection platform;
s13, analysis: the electronic evidence collection platform analyzes the content of the electronic evidence and places the electronic evidence on a second blockchain system after analysis;
s14, a evidence storage stage: the electronic evidence collection platform registers the related information of the electronic evidence in a related judicial electronic evidence center or in a copyright registration center;
s15, a recovery stage: after receiving the reply from the judicial electronic evidence center (and the optional copyright registration center), the electronic evidence collection platform replies that the client process is completed and the client stores the relevant information.
As a preferred embodiment, the S2 includes:
electronic evidence, including pictures, recordings, or videos, is collected and stored and secured within the first, second, and third blockchain systems, with rights being much easier than before. Since evidence already exists, the client only needs to propose the uplink information, including the original information, the analysis information, the blockchain storage information and the proof information of the electronic evidence center. If necessary, party 3 or the electronic evidence center may be required to submit more detailed analysis and comparison to be entitled.
As a preferred embodiment, the S11 registration phase includes:
registering in an electronic evidence collection platform in advance by using an intelligent terminal, wherein real-name authentication, an identity card, a telephone number and other related information are required in the registering process;
(1) Detecting whether the public and private keys are stored in the intelligent terminal, if not, applying the public and private keys to a CA center, and obtaining the public and private keys by using a traditional protocol;
(2) Downloading the software system through the intelligent terminal;
(3) Providing relevant information to an electronic evidence collection platform, wherein the relevant information comprises a telephone number, an identity card, a mobile phone brand, a mobile phone number and a public key;
(4) After receiving the related information, the electronic evidence collection platform receives the client information through third party authentication and verifies the public key of the client from the CA center; the third party authentication is completed through a mobile phone operator and a CA center;
(5) Verifying whether the related information transmitted by the intelligent terminal is correct, if not, returning to the step (3), wherein the information provided by the client must be completely correct;
(6) After the step (5) is completed, the electronic evidence collection platform replies successful registration to the intelligent terminal, and provides the public key of the electronic evidence collection platform for the intelligent terminal;
(7) After receiving the information of successful registration, the intelligent terminal verifies the public key of the electronic evidence collection platform from the CA center, and starts the software system at the intelligent terminal after the public key is correct; if the CA center cannot verify the public key of the electronic evidence collection platform, the software system cannot be started;
(8) The public key of the electronic evidence collection platform is replied to be received by the intelligent terminal, the information of the software system is started and used, the information is signed by the private key of the intelligent terminal, and then the information is encrypted by the public key of the electronic evidence collection platform to form encrypted information which is sent to the electronic evidence collection platform;
(9) After receiving the encryption information, the electronic evidence collection platform decrypts the encryption information and verifies that the encryption information is correct, then generates a random number or serial number, packages data through the random number or the serial number, signs the data with the private key of the intelligent terminal, encrypts the data with the public key of the intelligent terminal to form secondary encryption information, and sends the secondary encryption information to the intelligent terminal; the sequence number starts, for example, from 1;
(10) The electronic evidence collection platform links the secondary encryption information, and if the electronic evidence collection platform controls a first blockchain system, the electronic evidence collection platform directly links the first blockchain system; if the electronic evidence collection platform uses an external blockchain system, the data is uplink by using a protocol of the external blockchain system;
(11) After receiving the secondary encryption information, the intelligent terminal decrypts the secondary encryption information and verifies the information, and stores the random number and the serial number corresponding to the secondary encryption information to be used as a tag for acquiring electronic evidence.
In a preferred embodiment, the step (10) may be omitted, but the public confidence is poor after the omission.
As a preferred embodiment, the encryption information and the secondary encryption information may use different algorithms for encryption, decryption, signing and verification of signatures; instead of using the PKI approach, a symmetric encryption approach may be used. If a symmetrical approach is used, the protocol is relatively simple but relatively unsafe.
As a preferred embodiment, further comprising: the method comprises the steps that the intelligent terminal establishes a random number and an order number corresponding to the intelligent terminal, and the electronic evidence collection platform is required to return the same random number and the order number to determine the authenticity of the electronic evidence collection platform, and the electronic evidence collection platform can not repudiation receive information of the intelligent terminal. Since the protocol is symmetrical, a description will not be repeated.
Preferably, the intelligent terminal can register in a blockchain system of a third party, and relevant information is stored in the blockchain system of the third party.
As a preferred embodiment, the step S12, the collecting phase includes:
(1) The client opens the App and starts the camera mechanism. If there is a period of time (which may be days or weeks) unused, re-performing steps (9) through (11) of the registration phase to obtain a new random number for the electronic evidence collection platform, and increasing the sequence number by 1, wherein the new random number is used for representing that the previous sequence number is a null number, and the electronic evidence is not transmitted by using the number);
(2) The intelligent terminal starts to take pictures, record or shoot after receiving the available random numbers and the sequence numbers, and when taking pictures, recording or shooting, the intelligent terminal system cannot change the collected data, such as beauty, lamplight color treatment, virtual background, background music and the like;
(3) After the electronic evidence (such as a photo or a recording) is obtained, adding a random number, a serial number, a date, a time, a mobile phone brand, a number and a place address of a platform side, signing and encrypting by using a public key of the platform side to form third encryption information, and transmitting the third encryption information to the electronic evidence collection platform;
(4) After decrypting and verifying the signature, the electronic evidence collection platform verifies the random number and the sequence number, and records decrypted information, wherein the decrypted information comprises the digital identity of a blockchain, a block number, the uplink time and information of related operators;
(5) The electronic evidence collection platform links the decrypted information; if the platform side controls the blockchain system, the NFR protocol is used for packaging the electronic evidence into NFR, and the NFR is uplink; if the platform side uses an external blockchain system, the data is uplink by using a protocol of the external blockchain system;
(5) The electronic evidence collection platform replies information to the intelligent terminal, wherein the reply information comprises NFR information and uplink decrypted information, updates a random number, adds one (+1) sequence number, signs and encrypts the encrypted information and then sends the encrypted information to the intelligent terminal;
(7) And after receiving the updated information, the intelligent terminal can continuously take new evidence and send the new evidence to the electronic evidence collection platform by using the same steps after taking the new evidence.
As a preferred embodiment, the step (1) of the acquisition stage may be omitted, i.e. the order number of the intelligent terminal may be selected for use, and the data is transferred to the electronic evidence collection platform. But this approach is less secure, since the intelligent terminal may be compromised, and the sequence number and random number may be taken by the attacker, while using this information by others to provide false evidence.
As a preferred embodiment, step (5) of the acquisition phase uses the NFR protocol, which may guarantee uniqueness, inseparability. Since NFR builds on a blockchain system, it can be guaranteed that it is not modifiable and is time stamped. Uniqueness and inseparability cannot be guaranteed if the NFR protocol is not used but the blockchain system is used. Since each piece of electronic evidence, even though it may be similar to other electronic evidence, is independent judicial evidence, the NFR protocol must be used under normal circumstances.
As a preferred embodiment, if the intelligent terminal needs to collect new electronic evidence at a high speed, step (6) is omitted, the same random number is used, but the order number of the intelligent terminal is automatically increased by one (+ 1) and immediately transmitted to the electronic evidence collection platform; after the electronic evidence collection platform receives the information, the same random number and the order number added by one by the client are approved due to short isolation time (for example, within 60 seconds). The electronic evidence collection platform is filled with the electronic evidence at the same time and is a series of evidence and can process the electronic evidence together.
As a preferred embodiment, some pictures need to be processed for clarity due to lighting factors, so as to be used as electronic evidence. In this case, the App automatically stores two kinds of pictures including an original picture (a picture without processing) and processed picture, and processed information including, for example, what picture processing algorithm is used and parameters used. And when the information of the App is linked, providing a plurality of pictures, an algorithm and parameter information.
As a preferred embodiment, if the intelligent terminal adopts a third-party blockchain system, the related information of the intelligent terminal is stored in the third-party blockchain system at the same time.
As a preferred embodiment, the step S13, the analysis phase includes:
the electronic evidence collection platform receives the related information, the prior certificate signature and the encryption information;
after confirming the signature and the encryption information, performing picture, recording or video analysis; the picture, recording or video analysis comprises face recognition, place recognition and checking whether the picture or recording is processed or not; the picture, recording or video analysis uses existing analysis software, which is not discussed here; if the intelligent terminal sends a series of pictures, series of videos or series of recordings, the pictures, the recordings or the video analysis also comprises the steps of comparing the similarity and the difference of the series of pictures, the series of videos or the series of recordings, or performing time-series analysis (time-series analysis) to obtain the sequence and the speed of the event development;
recording analysis results after picture, recording or video analysis, and linking the analysis results.
As a preferred embodiment, the analysis phase may be omitted in early systems, since the handset data under early systems is unreliable and cannot accept some of the information provided by the handset, such as location information, which may be critical. The analysis results can be used for verifying that the electronic evidence provided by the mobile phone end is real by a third party organization. And the series of evidence may enhance authenticity.
As a preferred embodiment, the step S14, the certification phase includes: the electronic evidence collection platform receives the electronic evidence and performs analysis, and then sends the electronic evidence and the analysis result to a judicial electronic evidence center and a copyright registry; after the judicial electronic evidence center and the copyright registry verify the information sent by the electronic evidence collection platform, the information is stored in the corresponding blockchain system, and the blockinformation of the blockchain system is sent to the electronic evidence collection platform.
As a preferred implementation mode, the electronic evidence collection platform is synchronous with the judicial electronic evidence center and the copyright registration center in a signature and encryption mode, so that the correctness of the related information is ensured.
In a preferred embodiment, the relevant information is stored in a separate internal database in the event that the judicial electronic evidence center or copyright registry does not have its own independent blockchain system, or is stored on the blockchain system of the electronic evidence collection platform in a manner that the blockchain system is shared with the electronic evidence collection platform.
As a preferred embodiment, the step S15, the recovery phase includes:
After the platform side receives the judicial electronic evidence center and the copyright center, the platform side returns all the received information and all the information originally sent by the mobile phone end to the client mobile phone. The mobile phone can store the information in an electronic evidence App in the mobile phone. The mobile phone can also put the returned NFR in the photo library of the mobile phone, or MyNFR applet or App.
The software of the intelligent terminal (comprising the mobile phone end and the PC end in the embodiment) updates the information of the electronic evidence.
As a preferred embodiment, the S2 includes: the electronic evidence collection platform, the judicial electronic evidence center and the copyright registration center provide real-time evidence of the data, so that the clients with the right can easily right. If necessary, a third party or electronic evidence center may be required to present more detailed analysis and comparison to maintain rights.
The invention has the beneficial effects that the protocol solves the following problems in the prior art:
(1) The problem of electronic evidence acquisition delay is solved: the invention greatly reduces evidence obtaining and uplink time. In an open system, after photographing, a client can receive relevant NFR electronic evidence from a platform side and can inquire on a blockchain system in less than one second; the evidence authenticity is greatly improved because the time from evidence obtaining to the time of the uplink is greatly reduced;
(2) Electronic evidence collection may require the problem of deploying the instrument in advance: the mobile phone does not need to be deployed in advance, and can take pictures and record sound as long as people arrive at the scene. The mobile phone is equal to a mobile sensor;
(3) The problem of mobile phone information authenticity is solved: when data is collected, the application software of the platform side shields a plurality of functions of changing data of the mobile phone, and the data cannot be changed at the mobile phone end;
(4) The problem that electronic evidence is tampered during transmission is solved: the data is immediately (in real time) uploaded to the platform after being collected, and the mobile phone is not given an opportunity to change the data, so that the possibility of tampering the electronic evidence during transmission is greatly reduced;
(5) Solving the problem that uniqueness cannot be demonstrated: the invention uses the NFR protocol to ensure the uniqueness of the electronic evidence;
(6) Solving the problem of difficult confirmation of copyright: after the platform collects the information, the platform immediately notifies the copyright center to register the copyright, so that the copyright can be confirmed. Other units can be authorized by the rights center if they use the same information to make profit;
(7) Solving the problem that the authenticity is suspected: the proposed protocol starts with registration, with a strict number of signing, encryption, authentication and decryption tasks. Importantly, the whole process is completed quickly, and no time is allowed for any participating system to cheat;
(8) Solving the problem of spurious: it is also difficult for clients to use the protocol of this patent to provide false information. If false information is collected, all the false information is written into the block chain system, and a judicial electronic evidence center also exists. Once the information is later found to be false, the person or entity providing the false information is at risk of judicial;
(9) The integral architecture is firstly carried out by adopting the NFR instead of the blockchain, the judicial verification unit is connected, the identity authentication mode is improved, and the identity authentication and evidence collection are organically fused, wherein the evidence has uniqueness due to the adoption of the NFR, and the right confirmation is relatively convenient.
The above, as well as additional objectives, advantages, and features of the present invention will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present invention when read in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. The objects and features of the present invention will become more apparent in view of the following description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a flowchart of a registration phase method in accordance with a preferred embodiment of the present invention;
fig. 2 is a flowchart of an acquisition phase according to a preferred embodiment of the invention.
Detailed Description
In order that the invention may be more readily understood, reference will now be made to the following description of the invention taken in conjunction with the accompanying drawings and examples. In the following description, numerous specific details and specific examples are set forth in order to provide a thorough understanding of the present invention and to provide a thorough and complete understanding of the present invention to those skilled in the art. While this invention is susceptible of embodiment in many other forms than those described herein, those skilled in the art will be able to make and use the invention without departing from the spirit of the invention, and therefore the invention is not limited by the specific examples and figures disclosed below.
In the following description, numerous specific details and specific examples are set forth in order to provide a thorough understanding of the present invention and to provide a thorough and complete understanding of the present invention to those skilled in the art. While this invention is susceptible of embodiment in many other forms than those described herein, those skilled in the art will be able to make and use the invention without departing from the spirit of the invention, and therefore the invention is not limited by the specific examples and figures disclosed below.
The embodiment provides a blockchain predictor for real-time evidence storage, based on NFR implementation, fuses identity authentication and collection of electronic evidence, including:
the system comprises an electronic evidence collection end and an electronic evidence verification end, wherein:
the electronic evidence mobile phone collection end comprises:
the client comprises a plurality of intelligent terminal devices, wherein the intelligent terminal devices have part or all of the functions of photographing, shooting and recording, and are used for recording evidence in real time and uploading the evidence to the blockchain system on the electronic evidence collection platform; in this embodiment, the client smart contract mobile phone is used as a predictor to collect electronic evidence. The client accommodates a large number of participating smart terminal devices, such as 10 billions (national level) or trillions (world level) of mobile phones;
the software system comprises a client mobile phone evidence collection App and PC application software: the client mobile phone end evidence collection App and the PC end application software are used for collecting the electronic evidence submitted by the intelligent terminal, inquiring the electronic evidence, adding new comments for the electronic evidence and analyzing and acquiring the relevance of a plurality of electronic evidences through the client mobile phone end and the PC end respectively;
the electronic evidence collection platform is a website on the Internet or an interconnection network and is provided with one or more first blockchain systems and a big data platform, wherein the first blockchain systems are used for collecting the electronic evidence and electronic copyright information corresponding to the electronic evidence, the big data platform is used for carrying out artificial intelligent analysis on the electronic evidence to obtain a preliminary analysis result, and the preliminary analysis result comprises basic information and credibility of the electronic evidence. The electronic evidence collection platform is implemented based on digital Rights (NFR) or other similar protocols. The electronic evidence collection platforms can be multiple, and can work independently or work cooperatively, for example, mutual backup can ensure that the electronic evidence is not misunderstood maliciously;
The electronic evidence verification terminal comprises:
the judicial electronic evidence center comprises one or more second blockchain systems and is used for storing and fixing the electronic evidence and the primary analysis result sent by the electronic evidence collection platform, performing secondary independent analysis on the basis of the electronic evidence and the primary analysis result by the judicial electronic evidence center to obtain a final authentication result for the electronic evidence, and storing the final authentication result in the second blockchain systems;
the copyright registration center comprises a third blockchain system and is used for recording electronic copyright information and electronic evidence sent by the electronic evidence collection platform; the copyright registration mechanism is connected with one or more copyright centers, such as a national center and/or a regional center; and
and the CA center is used for providing public and private keys required by PKI.
As a preferred embodiment, the first, second and third blockchain systems may be shared, with sharing referring to any one blockchain system being at least one node of the other blockchain system.
As a preferred embodiment, the judicial electronic evidence center and the copyright registration authority select to own a blockchain system, and regard the judicial electronic evidence center as a client; or have their own blockchain system at the same time, but also participate in the nodes of the blockchain system on the platform side.
As a preferred embodiment, mobile phones now have the functions of photographing and recording, but many provide the function of beautifying. But using these functions would lose legal effectiveness from the collected electronic evidence, so App software provided by the platform side would mask these functions of the cell phone camera.
As a preferred implementation, the present embodiment mainly uses photos taken by the mobile phone as discussion materials, but may be applied to electronic materials that can be collected by the mobile phone, including voice and video, and information stored in any media protocol, such as JPEG, MP3, MP4, etc.
The second aspect of the present invention provides a blockchain predictor forensic right-keeping method for real-time forensic, comprising:
s1, collecting data evidence; and
and S2, performing right maintenance based on the data evidence.
As a preferred embodiment, the S1 includes:
S11, registration stage: the client downloads the platform application software and registers in the platform application software;
s12, acquisition: the client shoots, records and/or shoots videos in real time through the intelligent terminal and transmits the videos as electronic evidence to the electronic evidence collection platform, and the electronic evidence collection platform receives the electronic evidence and then places the electronic evidence on a first blockchain system of the electronic evidence collection platform;
s13, analysis: the electronic evidence collection platform analyzes the content of the electronic evidence and places the electronic evidence on a second blockchain system after analysis;
s14, a evidence storage stage: the electronic evidence collection platform registers the related information of the electronic evidence in a related judicial electronic evidence center or in a copyright registration center;
s15, a recovery stage: after receiving the reply from the judicial electronic evidence center (and the optional copyright registration center), the electronic evidence collection platform replies that the client process is completed and the client stores the relevant information.
As a preferred embodiment, the S2 includes:
electronic evidence, including pictures, recordings, or videos, is collected and stored and secured within the first, second, and third blockchain systems, with rights being much easier than before. Since evidence already exists, the client only needs to propose the uplink information, including the original information, the analysis information, the blockchain storage information and the proof information of the electronic evidence center. If necessary, party 3 or the electronic evidence center may be required to submit more detailed analysis and comparison to be entitled.
Referring to fig. 1, as a preferred embodiment, the S11 registration phase includes:
registering in an electronic evidence collection platform in advance by using an intelligent terminal, wherein real-name authentication, an identity card, a telephone number and other related information are required in the registering process;
(1) Detecting whether the public and private keys are stored in the intelligent terminal, if not, applying the public and private keys to a CA center, and obtaining the public and private keys by using a traditional protocol;
(2) Downloading the software system through the intelligent terminal;
(3) Providing relevant information to an electronic evidence collection platform, wherein the relevant information comprises a telephone number, an identity card, a mobile phone brand, a mobile phone number and a public key;
(4) After receiving the related information, the electronic evidence collection platform receives the client information through third party authentication and verifies the public key of the client from the CA center; the third party authentication is completed through a mobile phone operator and a CA center;
(5) Verifying whether the related information transmitted by the intelligent terminal is correct, if not, returning to the step (3), wherein the information provided by the client must be completely correct;
(6) After the step (5) is completed, the electronic evidence collection platform replies successful registration to the intelligent terminal, and provides the public key of the electronic evidence collection platform for the intelligent terminal;
(7) After receiving the information of successful registration, the intelligent terminal verifies the public key of the electronic evidence collection platform from the CA center, and starts the software system at the intelligent terminal after the public key is correct; if the CA center cannot verify the public key of the electronic evidence collection platform, the software system cannot be started;
(8) The public key of the electronic evidence collection platform is replied to be received by the intelligent terminal, the information of the software system is started and used, the information is signed by the private key of the intelligent terminal, and then the information is encrypted by the public key of the electronic evidence collection platform to form encrypted information which is sent to the electronic evidence collection platform;
(9) After receiving the encryption information, the electronic evidence collection platform decrypts the encryption information and verifies that the encryption information is correct, then generates a random number or serial number, packages data through the random number or the serial number, signs the data with the private key of the intelligent terminal, encrypts the data with the public key of the intelligent terminal to form secondary encryption information, and sends the secondary encryption information to the intelligent terminal; the sequence number starts, for example, from 1;
(10) The electronic evidence collection platform links the secondary encryption information, and if the electronic evidence collection platform controls a first blockchain system, the electronic evidence collection platform directly links the first blockchain system; if the electronic evidence collection platform uses an external blockchain system, the data is uplink by using a protocol of the external blockchain system;
(11) After receiving the secondary encryption information, the intelligent terminal decrypts the secondary encryption information and verifies the information, and stores the random number and the serial number corresponding to the secondary encryption information to be used as a tag for acquiring electronic evidence.
In a preferred embodiment, the step (10) may be omitted, but the public confidence is poor after the omission.
As a preferred embodiment, the encryption information and the secondary encryption information may use different algorithms for encryption, decryption, signing and verification of signatures; instead of using the PKI approach, a symmetric encryption approach may be used. If a symmetrical approach is used, the protocol is relatively simple but relatively unsafe.
As a preferred embodiment, further comprising: the method comprises the steps that the intelligent terminal establishes a random number and an order number corresponding to the intelligent terminal, and the electronic evidence collection platform is required to return the same random number and the order number to determine the authenticity of the electronic evidence collection platform, and the electronic evidence collection platform can not repudiation receive information of the intelligent terminal. Since the protocol is symmetrical, a description will not be repeated.
Preferably, the intelligent terminal can register in a blockchain system of a third party, and relevant information is stored in the blockchain system of the third party.
Referring to fig. 2, as a preferred embodiment, the step S12, the acquisition phase includes:
(1) The client opens the App and starts the camera mechanism. If there is a period of time (which may be days or weeks) unused, re-performing steps (9) through (11) of the registration phase to obtain a new random number for the electronic evidence collection platform, and increasing the sequence number by 1, wherein the new random number is used for representing that the previous sequence number is a null number, and the electronic evidence is not transmitted by using the number);
(2) The intelligent terminal starts to take pictures, record or shoot after receiving the available random numbers and the sequence numbers, and when taking pictures, recording or shooting, the intelligent terminal system cannot change the collected data, such as beauty, lamplight color treatment, virtual background, background music and the like;
(3) After the electronic evidence (such as a photo or a recording) is obtained, adding a random number, a serial number, a date, a time, a mobile phone brand, a number and a place address of a platform side, signing and encrypting by using a public key of the platform side to form third encryption information, and transmitting the third encryption information to the electronic evidence collection platform;
(4) After decrypting and verifying the signature, the electronic evidence collection platform verifies the random number and the sequence number, and records decrypted information, wherein the decrypted information comprises the digital identity of a blockchain, a block number, the uplink time and information of related operators;
(5) The electronic evidence collection platform links the decrypted information; if the platform side controls the blockchain system, the NFR protocol is used for packaging the electronic evidence into NFR, and the NFR is uplink; if the platform side uses an external blockchain system, the data is uplink by using a protocol of the external blockchain system;
(5) The electronic evidence collection platform replies information to the intelligent terminal, wherein the reply information comprises NFR information and uplink decrypted information, updates a random number, adds one (+1) sequence number, signs and encrypts the encrypted information and then sends the encrypted information to the intelligent terminal;
(7) And after receiving the updated information, the intelligent terminal can continuously take new evidence and send the new evidence to the electronic evidence collection platform by using the same steps after taking the new evidence.
As a preferred embodiment, the step (1) of the acquisition stage may be omitted, i.e. the order number of the intelligent terminal may be selected for use, and the data is transferred to the electronic evidence collection platform. But this approach is less secure, since the intelligent terminal may be compromised, and the sequence number and random number may be taken by the attacker, while using this information by others to provide false evidence.
As a preferred embodiment, step (5) of the acquisition phase uses the NFR protocol, which may guarantee uniqueness, inseparability. Since NFR builds on a blockchain system, it can be guaranteed that it is not modifiable and is time stamped. Uniqueness and inseparability cannot be guaranteed if the NFR protocol is not used but the blockchain system is used. Since each piece of electronic evidence, even though it may be similar to other electronic evidence, is independent judicial evidence, the NFR protocol must be used under normal circumstances.
As a preferred embodiment, if the intelligent terminal needs to collect new electronic evidence at a high speed, step (6) is omitted, the same random number is used, but the order number of the intelligent terminal is automatically increased by one (+ 1) and immediately transmitted to the electronic evidence collection platform; after the electronic evidence collection platform receives the information, the same random number and the order number added by one by the client are approved due to short isolation time (for example, within 60 seconds). The electronic evidence collection platform is filled with the electronic evidence at the same time and is a series of evidence and can process the electronic evidence together.
As a preferred embodiment, some pictures need to be processed for clarity due to lighting factors, so as to be used as electronic evidence. In this case, the App automatically stores two kinds of pictures including an original picture (a picture without processing) and processed picture, and processed information including, for example, what picture processing algorithm is used and parameters used. And when the information of the App is linked, providing a plurality of pictures, an algorithm and parameter information.
As a preferred embodiment, if the intelligent terminal adopts a third-party blockchain system, the related information of the intelligent terminal is stored in the third-party blockchain system at the same time.
As a preferred embodiment, the step S13, the analysis phase includes:
the electronic evidence collection platform receives the related information, the prior certificate signature and the encryption information;
after confirming the signature and the encryption information, performing picture, recording or video analysis; the picture, recording or video analysis comprises face recognition, place recognition and checking whether the picture or recording is processed or not; the picture, recording or video analysis uses existing analysis software, which is not discussed here; if the intelligent terminal sends a series of pictures, series of videos or series of recordings, the pictures, the recordings or the video analysis also comprises the steps of comparing the similarity and the difference of the series of pictures, the series of videos or the series of recordings, or performing time-series analysis (time-series analysis) to obtain the sequence and the speed of the event development;
recording analysis results after picture, recording or video analysis, and linking the analysis results.
As a preferred embodiment, the analysis phase may be omitted in early systems, since the handset data under early systems is unreliable and cannot accept some of the information provided by the handset, such as location information, which may be critical. The analysis results can be used for verifying that the electronic evidence provided by the mobile phone end is real by a third party organization. And the series of evidence may enhance authenticity.
As a preferred embodiment, the step S14, the certification phase includes: the electronic evidence collection platform receives the electronic evidence and performs analysis, and then sends the electronic evidence and the analysis result to a judicial electronic evidence center and a copyright registry; after the judicial electronic evidence center and the copyright registry verify the information sent by the electronic evidence collection platform, the information is stored in the corresponding blockchain system, and the blockinformation of the blockchain system is sent to the electronic evidence collection platform.
As a preferred implementation mode, the electronic evidence collection platform is synchronous with the judicial electronic evidence center and the copyright registration center in a signature and encryption mode, so that the correctness of the related information is ensured.
In a preferred embodiment, the relevant information is stored in a separate internal database in the event that the judicial electronic evidence center or copyright registry does not have its own independent blockchain system, or is stored on the blockchain system of the electronic evidence collection platform in a manner that the blockchain system is shared with the electronic evidence collection platform.
As a preferred embodiment, the step S15, the recovery phase includes:
After the platform side receives the judicial electronic evidence center and the copyright center, the platform side returns all the received information and all the information originally sent by the mobile phone end to the client mobile phone. The mobile phone can store the information in an electronic evidence App in the mobile phone. The mobile phone can also put the returned NFR in the photo library of the mobile phone, or MyNFR applet or App.
The software of the intelligent terminal (comprising the mobile phone end and the PC end in the embodiment) updates the information of the electronic evidence.
As a preferred embodiment, the S2 includes: the electronic evidence collection platform, the judicial electronic evidence center and the copyright registration center provide real-time evidence of the data, so that the clients with the right can easily right. If necessary, a third party or electronic evidence center may be required to present more detailed analysis and comparison to maintain rights.
The invention has the beneficial effects that the protocol solves the following problems in the prior art:
(1) The problem of electronic evidence acquisition delay is solved: the invention greatly reduces evidence obtaining and uplink time. In an open system, after photographing, a client can receive relevant NFR electronic evidence from a platform side and can inquire on a blockchain system in less than one second; the evidence authenticity is greatly improved because the time from evidence obtaining to the time of the uplink is greatly reduced;
(2) Electronic evidence collection may require the problem of deploying the instrument in advance: the mobile phone does not need to be deployed in advance, and can take pictures and record sound as long as people arrive at the scene. The mobile phone is equal to a mobile sensor;
(3) The problem of mobile phone information authenticity is solved: when data is collected, the application software of the platform side shields a plurality of functions of changing data of the mobile phone, and the data cannot be changed at the mobile phone end;
(4) The problem that electronic evidence is tampered during transmission is solved: the data is immediately (in real time) uploaded to the platform after being collected, and the mobile phone is not given an opportunity to change the data, so that the possibility of tampering the electronic evidence during transmission is greatly reduced;
(5) Solving the problem that uniqueness cannot be demonstrated: the invention uses the NFR protocol to ensure the uniqueness of the electronic evidence;
(6) Solving the problem of difficult confirmation of copyright: after the platform collects the information, the platform immediately notifies the copyright center to register the copyright, so that the copyright can be confirmed. Other units can be authorized by the rights center if they use the same information to make profit;
(7) Solving the problem that the authenticity is suspected: the proposed protocol starts with registration, with a strict number of signing, encryption, authentication and decryption tasks. Importantly, the whole process is completed quickly, and no time is allowed for any participating system to cheat;
(8) Solving the problem of spurious: it is also difficult for clients to use the protocol of this patent to provide false information. If false information is collected, all the false information is written into the block chain system, and a judicial electronic evidence center also exists. Once the false information is later discovered, the person or entity providing the false information is at risk of judicial.
While the present invention has been described with reference to the particular illustrative embodiments, it is not to be restricted by the embodiments but only by the appended claims. It will be appreciated by those skilled in the art that changes and modifications may be made to the embodiments of the invention without departing from the scope and spirit thereof.

Claims (10)

1. A blockchain predictor for real-time evidence storage, characterized by fusing identity authentication with collection of electronic evidence based on NFR implementation, comprising:
the system comprises an electronic evidence collection end and an electronic evidence verification end, wherein:
the electronic evidence mobile phone collection end comprises:
the client comprises a plurality of intelligent terminal devices, wherein the intelligent terminal devices have part or all of the functions of photographing, shooting and recording, and are used for recording evidence in real time and uploading the evidence to the blockchain system on the electronic evidence collection platform;
The software system comprises a client mobile phone evidence collection App and PC application software: the client mobile phone end evidence collection App and the PC end application software are used for collecting the electronic evidence submitted by the intelligent terminal, inquiring the electronic evidence, adding new comments for the electronic evidence and analyzing and acquiring the relevance of a plurality of electronic evidences through the client mobile phone end and the PC end respectively;
the electronic evidence collection platform is a website on the Internet or an interconnection network and is provided with one or more first blockchain systems and a big data platform, wherein the first blockchain systems are used for collecting the electronic evidence and electronic copyright information corresponding to the electronic evidence, the big data platform is used for carrying out artificial intelligent analysis on the electronic evidence to obtain a preliminary analysis result, and the preliminary analysis result comprises basic information and credibility of the electronic evidence;
the electronic evidence verification terminal comprises:
the judicial electronic evidence center comprises one or more second blockchain systems and is used for storing and fixing the electronic evidence and the primary analysis result sent by the electronic evidence collection platform, performing secondary independent analysis on the basis of the electronic evidence and the primary analysis result by the judicial electronic evidence center to obtain a final authentication result for the electronic evidence, and storing the final authentication result in the second blockchain systems;
The copyright registration center comprises a third blockchain system and is used for recording electronic copyright information and electronic evidence sent by the electronic evidence collection platform; and
and the CA center is used for providing public and private keys required by PKI.
2. The blockchain predictor for real-time evidence preservation of claim 1, wherein the smartphone is used as the predictor to collect electronic evidence.
3. A blockchain predictor for real-time evidence storage according to claim 2, wherein the client accommodates a large number of participating intelligent terminal devices, including a 10 billion level country or a billion level world level number of intelligent terminal devices.
4. A blockchain predictor for use in real-time certification as in claim 3, wherein the first, second and third blockchain systems are sharable, the sharing referring to any one of the blockchain systems being at least one node of the other blockchain system.
5. The blockchain predictor for real-time evidence collection of claim 4, wherein the electronic evidence collection platform is implemented based on digital Rights (NFR).
6. The blockchain predictor for real-time evidence preservation of claim 5, wherein the electronic evidence collection platform has a plurality of electronic evidence collection platforms, each of which can operate independently or cooperatively, and each of which is backed up to ensure that the electronic evidence is not misunderstood by a malicious intent.
7. The blockchain predictor for real-time evidence storage of claim 6, wherein the rights registering mechanism is coupled to one or more rights centres, the plurality of rights centres being country-level centres and/or regional centres.
8. The blockchain predictor for real-time evidence storage of claim 7, wherein the judicial electronic evidence center and the copyright registration authority select to own a blockchain system and treat the judicial electronic evidence center as an own client; or have their own blockchain system at the same time, but also participate in the nodes of the blockchain system on the platform side.
9. The blockchain predictor for real-time forensics of claim 8, wherein the software system shields a portion of the captured functionality from interfering with the electronic forensics.
10. The blockchain predictor for real-time evidence preservation of claim 9, wherein the pictures, voice and video are stored in any media protocol, including JPEG, MP3 or MP4.
CN202211416153.5A 2022-11-11 2022-11-11 Block chain predictor for real-time evidence storage Pending CN116527237A (en)

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