CN105790954B - A kind of method and system constructing electronic evidence - Google Patents
A kind of method and system constructing electronic evidence Download PDFInfo
- Publication number
- CN105790954B CN105790954B CN201610118469.4A CN201610118469A CN105790954B CN 105790954 B CN105790954 B CN 105790954B CN 201610118469 A CN201610118469 A CN 201610118469A CN 105790954 B CN105790954 B CN 105790954B
- Authority
- CN
- China
- Prior art keywords
- block
- block chain
- electronic evidence
- digital digest
- electronic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3297—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving time stamps, e.g. generation of time stamps
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention relates to a kind of construction method of electronic evidence, specifically comprise the following steps: to generate unique, fixed length digital digest to the electronic data of applicant, and construct the Merkel tree of electronic evidence block catenary system；The electronic evidence block catenary system of structural belt having time stamp；Electronic evidence block catenary system is that block sets up call number, and the call number, the digital digest of generation and timestamp are returned to applicant together.The present invention can be such that participation each side builds jointly, common maintenance, supervise jointly, to meet the right to know of each side, authority to supervise, reach the appraisal cost of reduction electronic evidence, improve determination rates, enhance the objectivity and confidence level of electronic evidence.
Description
Technical field
The present invention relates to the electronic evidence building method and system on internet, in particular to it is a kind of based on block chain and when
Between stab building electronic evidence method and system.
Background technique
Having one kind in electronic data is to prove " outness of electronic data ", this kind of as a kind of " objective reality "
Electronic evidence need effectively to prove " who ", " when " with the existence of " what content ".As people use internet
With the fast development of information consumption, electronic evidence is used in court's trial or civil as being recognized evidence more and more.
When needing to do existence proof for some electronic data, such as prove the original copyright ownership of some music electronic version, some
Original copyright ownership of monograph electronic edition etc., people to select believable mode prove who, at what time, what content done
Or any behavior has occurred.
Constructing the method and system of electronic evidence in the prior art is built by the single centre of national relevant authentication agency qualification
System is made, the right to know and custodial right of related side are not carried out, it is normal for chat record of Email, instant message applications etc.
As electronic evidence, prove that it is deposited by e-mail system operation side, instant messaging service side or judicial expertise mechanism etc.
Feasibility, it is genuine, without distorting.Therefore, there are following main problems for the prior art:
Because Email and chat record itself are also electronic data, carrier is equally " electronization " medium (electricity
Sub- chip, magnetic medium, optical medium etc.) essence, make its links such as creation, storage, transmission safety problem all to its " visitor
The property seen " proposes challenge.
" single centre " online service mode of existing schemes is easy to cause: if the network failure at single center,
Application can not be serviced；The capacity of single central site network is limited, and many applications can not quickly be confirmed.
" single centre " scheme is difficult to take precautions against the risk of its (or its staff) " doing evil ", for example, when being in core status
Time-stamping service mechanism or instant messaging service organization because its interests needs arbitrarily distort, forge, erasing time stamp when or merely
Its record, other mechanism individuals to lay under tribute can not have found, can not propose strong evidence.
This system be it is opaque, the regulatory responsibility of government is also difficult to play due effect wherein.Even if there is rule
Provisioning request wants remote backup to " trusted timestamp ", but because it is originated from unique mechanism, confidence level is also inevitably by matter
It doubts.It is same because its be it is opaque, CA (certification authority) certificate of mechanism may be expired or be revoked, and user and
Regulatory agency is difficult to find.Email and instant messaging there is a situation where same.
Doing trusted timestamp processing to each electronic data is a kind of high cost and inefficient mode.
Summary of the invention
In view of deficiency in the prior art, the present invention is proposed, overcomes the above problem or at least partly in order to provide one kind
A kind of electronic evidence construction method and system that ground solves the above problems.
The present invention provides a kind of construction method of electronic evidence, specifically comprises the following steps:
Unique, fixed length digital digest is generated to the electronic data of applicant, and constructs electronic evidence block catenary system
Merkel tree；
The electronic evidence block catenary system of structural belt having time stamp；
Electronic evidence block catenary system is that block sets up call number, and by the call number, the digital digest of generation and time
Stamp returns to applicant together.
Further, the specific method of the Merkel tree of the construction electronic evidence block catenary system includes:
Applicant submits the public affairs of the cipher key pair of electronic data and rivest, shamir, adelman to the receiving end of block catenary system
Key；
Electronic data is sent to digital digest generator by receiving end, and digital digest generator generates electronic data unique
, the digital digest of fixed length, and the digital digest of fixed length is sent to block chain constructor；
Block chain constructor constructs one and includes the record of digital digest and public key, and record is passed to communicator；
Record is diffused into each side that block chain electronic evidence construction and maintenance is participated in network by communicator, and receives other
The record that each side sends, the set of records ends of acquisition is sent jointly to block chain structure in specified interval period by communicator later
Make device；
Block chain constructor screens the set of records ends received, saves one after screening at each leaf node
Then record presses Merkel tree rule construct Merkel tree.
Further, the electronic evidence block catenary system of the structural belt having time stamp specifically includes:
Block chain constructor constructs the block of present interval period after obtaining a timestamp from timestamp generator application,
The content of the block of present interval period includes at least the number for the block that Merkel tree, timestamp and previous interval period generate
Word abstract, and the content of the block is passed into common recognition device；
After common recognition device is reached common understanding by communicator and other each side, the block newly reached common understanding is passed into block chain structure
Device is made, block chain constructor is saved in new block in storage device according to the logical construction of block chain.
Further, the electronic evidence block catenary system of the structural belt having time stamp specifically includes:
Block chain constructor constructs the block of present interval period after obtaining a timestamp from timestamp generator application,
The content of the block of present interval period includes at least the number for the block that Merkel tree, timestamp and previous interval period generate
Word abstract, and the block content is passed into common recognition device；
The block content received is passed to digital digest generator by common recognition device, obtains the number of the block of present interval period
Word abstract, and the digital digest is appended in current block；
After common recognition device is reached common understanding by communicator and other each side, the block newly reached common understanding is passed into block chain structure
Device is made, block chain constructor is saved in new block in storage device according to the logical construction of block chain.
Further, the method also includes: electronic evidence block catenary systems by between specified time interval or block counts
Every will be in the publicity to public media of the content selective of newest block.
Further, the method also includes the step of being verified to electronic data, specifically:
Applicant is verified to require to provide identification check data according to system is specified；
System is recorded according to identification check this block of data-searching received；
System verifies the timestamp of electronic data；
System carries out authentication to the first registration people of electronic evidence；
Digital signature of the system by the above-mentioned result being verified plus this system returns to verifying applicant together.
Further, the identification check data includes constructing the specified corresponding public key of electronic evidence, construction electronic evidence
The call number that obtains afterwards, timestamp, digital digest are also answered if verifying applicant does not apply for original electron Data Hosting service
This includes the complete content of original electron data.
According to another aspect of the present invention, a kind of building system of electronic evidence is provided, comprising:
The electronic data for receiving the electronic data and public key of applicant's submission, and is sent to number and plucked by receiving end
Want generator；
Digital digest generator exports the digital digest of fixed length for the electronic data to the random length received；
Timestamp generator, for generating the time according to regulation format interaction；
Communicator: each side for building, safeguarding according to regulation format and participation block chain communicates, mutually transmitting information；
Common recognition device: for reaching an agreement to the digital digest set that block chain will be written, so that it is respectively only to participate in each side
The content of vertical write-in block chain is identical；
Block chain constructor: for the logical construction construction block chain and write storage device according to block chain, and according to
Block chain information in specified rule search storage device；
Further, a kind of building system of electronic evidence further includes publicity device, for according to specified time or
Block counts interval, the public notification of information in electronic evidence block chain to public media, and for public media and the progress of block chain
Interaction.
A kind of electronic evidence construction method proposed by the present invention and system, participation each side can be made to build, safeguard jointly jointly,
Common supervision reaches the appraisal cost for reducing electronic evidence to meet the right to know of each side, authority to supervise, improves determination rates,
Enhance the objectivity and confidence level of electronic evidence.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of flow diagram of the construction method of electronic evidence of the embodiment of the present invention.
Fig. 2 is the logical schematic of the electronic evidence block chain of the embodiment of the present invention.
Fig. 3 is a kind of structural schematic diagram of the building system of electronic evidence of the embodiment of the present invention.
Specific embodiment
Exemplary embodiment of the present invention is described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention, without should be by embodiments set forth here
It is limited.On the contrary, provide these embodiments be in order to the more thorough explanation present invention, and can be complete by the scope of the present invention
Whole is communicated to those skilled in the art.
Electronic evidence construction method and building system of the invention is realized based on block chain and timestamp technology,
Each of stored in block chain in the content of " block (block) ", in addition to include this Block Record Set (TXs) constitute it is silent
Ke Er tree (Merkle tree, i.e. Merkel's Hash tree Merkel Hash Tree) outside, further comprises the Kazakhstan of previous piece of content
Uncommon value (Pre-H), be the equal of the logical pointer for being directed toward previous logical block, and last affix is to the cryptographic Hash H(of content
The cryptographic Hash H of this block).The cryptographic Hash H of this block can be also saved in this block content as the cryptographic Hash Pre-H of previous piece of content
Equally, the cryptographic Hash H of this block can be also saved in next new piece of content.This is the process before one kind to endorsement, i.e., new block
Generation further strengthen and locked the content of had been friends in the past block.Guarantee timing is constructed by way of cryptographic verifications in this way
, can not forge, can not distort, irrevocable chain (Chain).
Block chain have multicenter, collaboration, transparent application characteristic and timing guarantee, can not forge, can not distort,
The technical characteristic of unsuppressible-suppression (or cost is extremely expensive), the present invention use block chain in the building process of electronic evidence
Binding time stabs technology, playing in many ways for participation can be made to build jointly in electronic evidence field, safeguarded jointly, supervised jointly
Effect reduces the appraisal cost of electronic evidence, improves determination rates, preferably plays the due effect of electronic evidence.
As shown in Figure 1, according to an aspect of the present invention, provide a kind of construction method of electronic evidence, specifically include as
Lower step:
Step S10 generates unique, fixed length digital digest to the electronic data of applicant, and constructs electronic evidence area
The Merkel tree of block catenary system.Specific method includes:
Step S101, applicant submit the key of electronic data and rivest, shamir, adelman to the receiving end of block catenary system
The public key of centering.
The applicant of electronic evidence can generate a pair of secret keys, i.e. public key PUB-K and private key using rivest, shamir, adelman
PRI-K, there are many kinds of this kind of rivest, shamir, adelmans, such as elliptic curve digital signature algorithm (ECDSA), key private therein
Key is exactly the identity of applicant, can be used for the ownership of subsequent authentication applicant, because of the characteristic of unsymmetrical key system,
It is considered herein that holding the people of the corresponding private key PRI-K of some public key PUB-K, indicate that it is exactly that PUB-K corresponds to stepping on for the first time for evidence
Remember people.Applicant submits electronic data Data and public key PUB-K to the receiving end of block catenary system.
Electronic data is sent to digital digest generator by step S102, receiving end, and digital digest generator is to electron number
Unique, fixed length the digital digest according to generation, and the digital digest of fixed length is sent to block chain constructor.
After the receiving end of electronic evidence block catenary system receives the electronic data and public key of applicant's submission, by the electron number
According to digital digest generator is sent to, digital digest generator converts complete, random length the electronic data Data received
For the digital digest Hr of fixed length.
Alternatively, for the needs of protection privacy, digital digest generator may be mounted at of applicant
On people's computer or mobile client, electronic data is generated digital digest Hr using digital digest generator by applicant oneself,
After generating digital digest Hr, block chain constructor only is given by transmission of network digital digest Hr.In this way, original electron data
Itself can only be taken care of by applicant oneself, can more protect privacy in this way.Certainly, for the reliability of preservation, applicant can also
To entrust electronic evidence block catenary system of the invention to save simultaneously.
Further, as option, applicant can also be uploaded to the digital signature of oneself system, construct number label
The method of name is that digital signature is calculated using ECDSA using digital digest Hr and private key PRI-K as input.
Step S103, block chain constructor constructs one and includes the record of digital digest and public key, and record is passed to
Communicator.
Block chain constructor constructs a record R, and content includes digital digest Hr and public key PUB-K, by digital digest
Hr and public key PUB-K binding, i.e. reference numerals abstract Hr are owned by public key PUB-K, and unique digital digest Hr is corresponding unique
Public key PUB-K.
Record is diffused into each side that block chain electronic evidence construction and maintenance is participated in network by step S104, communicator,
And the record that other each side send is received, communicator sends the set of records ends of acquisition in specified interval period together later
Give block chain constructor.
Communicator is diffused into each side for participating in the construction of block chain electronic evidence in network and safeguarding for R is recorded, and receives it
The record R that his each side sends.Block chain construction each side is equality, other each side are also being sent out when current block issues record R
Their respective record R, such a time interval period had just collected a set of records ends Rs out.Communicator is referring to later
Set of records ends Rs is sent jointly into block chain constructor in fixed interval period.Time interval is needed according to business and is set,
Such as 1 minute or 30 seconds etc..
Step S105, block chain constructor screen the set of records ends received, save sieve at each leaf node
A record after choosing, then presses Merkel tree rule construct Merkel tree.
Block chain constructor is screened the validity to distinguish wherein content according to business to set of records ends Rs, than
As whether digital digest Hr has existed for, and construct the Merkel tree MT of these set of records ends Rs composition.
Step S20, the electronic evidence block catenary system of structural belt having time stamp.Specific method includes:
Step S201, when block chain constructor constructs present interval after obtaining a timestamp from timestamp generator application
The block of section, when the main contents of the preceding block of interval period include at least Merkel tree, timestamp and previous interval period
The digital digest of the block of generation, and the block content is passed into common recognition device.
Block chain constructor obtains a time stamp T S from timestamp generator application, constructs the area of present interval period
Block, it is assumed that the number of the block currently done is T, and sets the main contents of current block T as C, then in main contents C extremely
The digital digest H(T-1 of block (number: T-1) less comprising Merkel tree MT, time stamp T S and previous interval period), and
Current block main contents C is passed into common recognition device.
In the present invention, " block of present interval period " is exactly " current block ", but is only constructed in some participant
's." new block " is " current block " conduct " new district of selected one of participant after each participant is reached common understanding
Block "
Step S202, for this step as a kind of optional step, the block content received is passed to digital digest by device of knowing together
Generator obtains the digital digest of current block, digital digest is appended in current block.
Block content C is passed to digital digest generator by common recognition device, the digital digest H (T) of current block is obtained, number
Word abstract H (T) is appended in block content C.
After common recognition device is reached common understanding by communicator and other each side, the block newly reached common understanding is transmitted by step S203
Block chain constructor is given, block chain constructor is saved in new block in storage device according to the logical construction of block chain.
The logical construction schematic diagram of block chain as shown in Fig. 2, trapezoidal is the non-leaf nodes (intermediate node) of Merkel tree,
The wherein digital digest value after in store its downstream site (can be 1,2 and multiple) content combination.As shown, Merck
You save actual record R by the leaf node (most downstream site) of tree, the digital digest Hr of at least R and applicant in R
Public key PUB-K.
Wherein, there are many ways to reaching common understanding, for example, the inter-agency common recognition of different authentication reach can be used it is mature
PoW (Proof of Work, proof of work), PoS (Proof of Stake, equity prove), RPCA (Ripple
Consensus Algorithm, consistency algorithm) etc. modes.Storage device can be hard disk and disk etc., complete for evidence
The needs of property, applicant can choose original electron data Data by system trusteeship service.
Step S30, electronic evidence block catenary system are that new block and record set up call number, and by the call number, life
At digital digest and timestamp return to applicant together.
Block chain constructor is that new block B and record R set up call number Bi, includes block number T in call number Bi, and
Call number Bi, the digital digest Hr of applicant's electronic data and time stamp T S are returned into applicant.
As the further improvement of a upper embodiment, a kind of construction method of electronic evidence, step further include: electronics card
According to block catenary system by specified time interval or block counts interval, by the publicity of the content selective of the time point newest block
Onto public media.For example, publicity device is according to specified time interval, at least rope in the content of the newest block reached common understanding
To public media, public media includes newspaper, website, microblogging, credible for the publicities such as quotation marks Bi, time stamp T S and digital digest H (T)
Time-stamping service mechanism (such as TSA of China) etc..
It can be seen that, complete electronic evidence has obtained complete storage, block in block chain through the foregoing embodiment
The public key PUK-K that catenary system saves source or whose PUK-K(i.e. applicant oneself represents the source of electronic evidence), electronics
The digital digest Hr and this electronic evidence build time TS of the uniqueness of data.
As the further improvement of a upper embodiment, a kind of construction method of electronic evidence, step further include: to electronics
The step S40 that data are verified is completed by the block chain constructor of system substantially, specific:
Step S401 verifies applicant and requires to provide identification check data according to system is specified.
Applicant is verified to require to provide identification check data according to system is specified.For example, verifying applicant should mention to system
The call number Bi obtained after the specified corresponding public key PUB-K of electronic evidence, construction electronic evidence, time stamp T S sum number are constructed for it
Mention Hr in word abstract Hb(, that is, preceding step, but this place is that applicant oneself provides, thus not necessarily with original number
Word abstract Hr is identical, is identified herein using Hb to distinguish)；If verifying applicant does not apply for that original electron Data Hosting takes
Business, system may also require that verifying applicant submits the complete content Dt of original electron data Data.
Step S402, system are recorded according to identification check this block of data-searching received.
The block chain constructor of system is according to specific this block record of identification check data-searching that verifying applicant provides
TX is verified less than if if retrieval and is not passed through.
If registration people had applied for original electron Data Hosting service originally, system will also be retrieved other than retrieval records R
The complete content Dt of original electron data and verify out to the integrality of its content: system is by electronic data complete content Dt
It is input to digital digest generator, the digital digest Ht exported；Digital digest Ht and original digital digest Hr is compared, if
It is consistent then indicate that complete content Dt is the original complete electronic data of electronic evidence, it otherwise verifies and does not pass through.
Step S403, system verify the timestamp of electronic data.
System according to the corresponding block of applicant identification check source index Bi and time stamp T S, compare retrieve when
Between stab whether with verifying the time stamp T S of applicant it is consistent, if inconsistent log off, verifying do not pass through.
If call number Bi is block number of the publicity to public media, system prepare publicity information (public media
Details) return to applicant；If call number Bi be not by the block number of publicity to public media, retrieve respectively Bi it
The preceding and nearest later block by publicity prepares the publicity information (details of public media) two blocks retrieved
Preparation returns to applicant.
Step S404, system carry out authentication to the first registration people of electronic evidence.
It is as follows that system verifies the step of first registration people (i.e. the holder of PRI-K) authentication of electronic evidence: system
A random number rams is generated, rams is returned to applicant by system；It is required that PRI-K pairs corresponding using first registration people
Rams is digitally signed to obtain sig, and sig is submitted to system again；System verifies rams and sig(by number with PUB-K
Signature rule), indicate that applicant is the owner of record R, otherwise verifies and does not pass through if the verification passes.
Step S405, digital signature of the system by above-mentioned verification result plus this system return to verifying applicant together.
As the further improvement of above-mentioned verification method, verifying applicant can participate in constructing electronic evidence block linkwork
The different systems for participating in mechanism are specified in the participation mechanism of system, are repeated the above steps, with contrast verification as a result, in normal situation
Under, verification result should be identical.
It can be seen from above-described embodiment that technical solution of the present invention is using block chain and timestamp technological means as base
Plinth constructs " the multicenter system architecture " participated in many ways, electronic evidence information is write in block chain, and in due course to public's public affairs
Cloth.It participates in each side to build, common maintenance, supervise jointly jointly, to meet the right to know of each side, authority to supervise, reaches reduction electricity
The appraisal cost of sub- evidence improves determination rates, enhances the objectivity and confidence level of electronic evidence.It gathers around and has the advantage that:
(1) complete or partial block chain can be saved in respective memory space by participating in each side, between each other quite
In playing the role of redundancy backup.The information being stored in block chain to participate in each side be it is transparent shared, everybody supervises jointly.
(2) before being written to the block chain of respective memory space to information, each side is reached an agreement by technology channel, is protected
Card write-in information is consistent, and can not be forged, can not be distorted, non-repudiation, unsuppressible-suppression.
(3) each side's " common maintenance " objectivity of electronic evidence chain is participated in, (forges, distort, supporting once someone does evil
Rely or delete), it is also easy to be found quickly；The confidence level of electronic evidence therein is enhanced, and can be effectively reduced card
According to appraisal cost, evidence determination rates are improved.
(4) trusted timestamp processing is done to an electronic data " set " in a manner of interval, improves efficiency, reduce at
This, and can guarantee moment and timing.
As shown in figure 3, according to another aspect of the present invention, providing a kind of building system of electronic evidence, principle and electricity
The construction method of sub- evidence is identical, and details are not described herein.Building system includes such as lower component:
The electronic data for receiving the electronic data and public key of applicant's submission, and is sent to number by receiving end 31
Summary generator 32.
Digital digest generator 32 exports the digital digest of fixed length for the electronic data to the random length received.Number
The inside of summary generator 32 can use a variety of hash algorithms, export digital digest by specified hash algorithm, such as
SHA256 algorithm, RIPEMD160 algorithm etc..
Timestamp generator 33, for generating the time according to regulation format interaction.The time of generation can be absolute time,
Such as X divides X seconds when X X month X day X；It is also possible to relative time, the i.e. number of seconds apart from a certain reference time or ticking number, such as
So far number of seconds or ticking number when from 1 day zero January in 1970.
Communicator 34: for communicating according to each side of regulation format and the construction of participation block chain, maintenance, letter is mutually transmitted
Breath.
Common recognition device 35: for reaching an agreement to the digital digest set that block chain will be written, so as to participate in each side respectively
It is identical for being independently written the content of block chain.
Block chain constructor 36: it for the logical construction construction block chain and write storage device according to block chain, and presses
According to the block chain information in specified rule search storage device.Storage device can be hard disk or disk etc..
As the further improvement of above-described embodiment, a kind of system constructing electronic evidence can also include publicity device 37,
Publicity device 37 is used for according to specified time interval or block counts interval, the public notification of information in electronic evidence block chain to the public
Media, and interacted for public media and block chain, such as inquiry particular block information, verifying publisher's identity information
Deng such public media can verify the true and false of block publisher and block.Public media can be newspaper, website, microblogging, can
Service organization (such as TSA of China) of trust etc..Certainly, publicity device 17 also allows to retrieve the letter of publicity according to specified rule
Breath.
A kind of system constructing electronic evidence according to the present invention, a complete electronic evidence is by electronic data and evidence mark
Know composition, evidence mark is demonstrate,proved by the possessor of the source side of evidence or electronic data, the digital digest of uniqueness and the electronics again
It is formed according to build time, wherein the digital digest of uniqueness is generated by digital digest generator of the invention, electronics card
It according to build time is generated by timestamp generator of the invention.On each participant of block chain building is according to the invention
It states embodiment and independently disposes above complete, the identical system, will finally construct complete identical electronic evidence block chain.
Participate in electronic evidence appraisal organization, the punctual time service machine of country that the mechanism of electronic evidence block chain building can authorize
Structure (or being authorized to the enterprise for managing time-stamping service), government monitoring agencies, mechanism, public security organs, legal industry association (alliance)
Deng；Even can there are civil enterprise and general public to participate in building (i.e. electronic evidence area in certain nonlegal compulsory fields
Block chain can have it is a plurality of, have it is operated by official bodies also have it is non-governmental).
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can
It realizes by means of software and necessary general hardware platform.Based on this understanding, technical solution of the present invention essence
On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product
It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes the certain of each embodiment or embodiment of the invention
Method described in part.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
It should be understood that
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the present invention is not also directed to any specific programming language.It should be understood that can use each
Kind programming language realizes invention described herein content.
Those skilled in the art will understand that can to module each in embodiment carry out adaptivity change and
They are arranged in one or more devices different from this embodiment.Unless otherwise being expressly recited, disclosed in this specification
Each feature can be replaced with an alternative feature that provides the same, equivalent, or similar purpose.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.
The foregoing is merely the preferred embodiments of the invention, the claims that are not intended to limit the invention.
Simultaneously it is described above, for those skilled in the technology concerned it would be appreciated that and implement, therefore other be based on institute of the present invention
The equivalent change that disclosure is completed, should be included in the covering scope of the claims.
Claims (8)
1. a kind of construction method of electronic evidence, specifically comprises the following steps:
Unique, fixed length digital digest is generated to the electronic data of applicant, and constructs the silent of electronic evidence block catenary system
Ke Er tree；
The specific method of Merkel tree of the construction electronic evidence block catenary system includes:
Applicant submits the public key of the cipher key pair of electronic data and rivest, shamir, adelman to the receiving end of block catenary system；
Electronic data is sent to digital digest generator by receiving end, digital digest generator to electronic data generate it is unique,
The digital digest of fixed length, and the digital digest of fixed length is sent to block chain constructor；
Block chain constructor constructs one and includes the record of digital digest and public key, and record is passed to communicator；
Record is diffused into each side that block chain electronic evidence construction and maintenance is participated in network by communicator, and receives other each side
The record sent, the set of records ends of acquisition is sent jointly to block chain construction in specified interval period by communicator later
Device；
Block chain constructor screens the set of records ends received, a note after saving screening at each leaf node
Then Merkel tree rule construct Merkel tree is pressed in record；The electronic evidence block catenary system of structural belt having time stamp；
Electronic evidence block catenary system is that block sets up call number, and by the call number, the digital digest of generation and timestamp one
It rises and returns to applicant.
2. a kind of construction method of electronic evidence according to claim 1, which is characterized in that the structural belt having time stamp
Electronic evidence block catenary system specifically include:
Block chain constructor constructs the block of present interval period after obtaining a timestamp from timestamp generator application, currently
The number that the content of the block of interval period includes at least the block that Merkel tree, timestamp and previous interval period generate is plucked
It wants, and the content of the block is passed into common recognition device；
After common recognition device is reached common understanding by communicator and other each side, the block newly reached common understanding is passed into block chain construction
Device, block chain constructor are saved in new block in storage device according to the logical construction of block chain.
3. a kind of construction method of electronic evidence according to claim 1, which is characterized in that the structural belt having time stamp
Electronic evidence block catenary system specifically include:
Block chain constructor constructs the block of present interval period after obtaining a timestamp from timestamp generator application, currently
The number that the content of the block of interval period includes at least the block that Merkel tree, timestamp and previous interval period generate is plucked
It wants, and the block content is passed into common recognition device；
The block content received is passed to digital digest generator by common recognition device, and the number for obtaining the block of present interval period is plucked
It wants, and the digital digest is appended in current block；
After common recognition device is reached common understanding by communicator and other each side, the block newly reached common understanding is passed into block chain construction
Device, block chain constructor are saved in new block in storage device according to the logical construction of block chain.
4. a kind of construction method of electronic evidence according to claim 1, which is characterized in that the method also includes: electricity
Sub- evidence block catenary system is by specified time interval or block counts interval, by the publicity of the content selective of newest block to public affairs
On many media.
5. a kind of construction method of electronic evidence according to claim 1, which is characterized in that the method also includes: it is right
The step of electronic data is verified, specifically:
Applicant is verified to require to provide identification check data according to system is specified；
System is recorded according to identification check this block of data-searching received；
System verifies the timestamp of electronic data；
System carries out authentication to the first registration people of electronic evidence；
Digital signature of the system by the above-mentioned result being verified plus this system returns to verifying applicant together.
6. a kind of construction method of electronic evidence according to claim 5, which is characterized in that the identification check data packet
It includes and constructs the call number obtained after the specified corresponding public key of electronic evidence, construction electronic evidence, timestamp, digital digest, if
Verifying applicant does not apply for original electron Data Hosting service, should also include the complete content of original electron data.
7. a kind of building system of electronic evidence, comprising:
Receiving end is sent to digital digest life for receiving the electronic data and public key of applicant's submission, and by the electronic data
It grows up to be a useful person；
Digital digest generator exports the digital digest of fixed length for the electronic data to the random length received；
Timestamp generator, for generating the time according to regulation format interaction；
Communicator: each side for building, safeguarding according to regulation format and participation block chain communicates, mutually transmitting information；
Common recognition device: it for reaching an agreement to the digital digest set that block chain will be written, is respectively independently write so as to participate in each side
It is identical for entering the content of block chain；
Block chain constructor: for the logical construction construction block chain and write storage device according to block chain, and according to specified
Rule search storage device in block chain information.
8. a kind of building system of electronic evidence according to claim 7, which is characterized in that the system also includes publicities
Device, for according to specified time or block counts interval, the public notification of information in electronic evidence block chain to public media, and
It is interacted for public media and block chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610118469.4A CN105790954B (en) | 2016-03-02 | 2016-03-02 | A kind of method and system constructing electronic evidence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610118469.4A CN105790954B (en) | 2016-03-02 | 2016-03-02 | A kind of method and system constructing electronic evidence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105790954A CN105790954A (en) | 2016-07-20 |
| CN105790954B true CN105790954B (en) | 2019-04-09 |
Family
ID=56386926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610118469.4A Active CN105790954B (en) | 2016-03-02 | 2016-03-02 | A kind of method and system constructing electronic evidence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105790954B (en) |
Families Citing this family (87)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106250721A (en) * | 2016-07-28 | 2016-12-21 | 杭州云象网络技术有限公司 | A kind of electronic copyright protection method based on block chain |
| CN115719265A (en) * | 2016-07-29 | 2023-02-28 | 区块链控股有限公司 | Method and system for realizing block chain |
| CN107679369A (en) * | 2016-08-02 | 2018-02-09 | 华为技术有限公司 | A kind of method, apparatus and system of the licensing of shared digital content |
| CN107784570A (en) * | 2016-08-24 | 2018-03-09 | 深圳市图灵奇点智能科技有限公司 | A kind of sharing method of electronics account book |
| CN106357612B (en) * | 2016-08-25 | 2019-07-16 | 江苏通付盾科技有限公司 | Authentication record checking method and device based on publicly-owned block chain |
| CN106130738A (en) * | 2016-08-25 | 2016-11-16 | 杭州天谷信息科技有限公司 | A kind of block catenary system supporting the close algorithm of state |
| CN106330431A (en) * | 2016-08-29 | 2017-01-11 | 北京瑞卓喜投科技发展有限公司 | Data processing method, apparatus and system based on block chain technology |
| CN106385315B (en) * | 2016-08-30 | 2019-05-17 | 北京三未信安科技发展有限公司 | A kind of digital certificate management method and system |
| CN106407795B (en) * | 2016-09-05 | 2019-05-14 | 北京众享比特科技有限公司 | There are Verification System, authentication method and verification methods for data |
| WO2018046008A1 (en) * | 2016-09-12 | 2018-03-15 | 上海鼎利信息科技有限公司 | Storage design method of blockchain encrypted radio frequency chip |
| JP6684930B2 (en) | 2016-09-18 | 2020-04-22 | 深▲セン▼前▲海▼▲達▼▲闥▼▲雲▼端智能科技有限公司Ｃｌｏｕｄｍｉｎｄｓ （Ｓｈｅｎｚｈｅｎ） Ｒｏｂｏｔｉｃｓ Ｓｙｓｔｅｍｓ Ｃｏ．， Ｌｔｄ． | Blockchain-based identity authentication method, device, node and system |
| JP6980769B2 (en) * | 2016-09-21 | 2021-12-15 | アール−ストール インコーポレイテッド | Methods, equipment and computer programs for using distributed ledgers for data processing |
| CN106452785B (en) * | 2016-09-29 | 2019-05-17 | 财付通支付科技有限公司 | Block chain network, branch node and block chain network application method |
| CN106548091A (en) * | 2016-10-14 | 2017-03-29 | 北京爱接力科技发展有限公司 | A kind of data deposit card, the method and device of checking |
| CN106534085B (en) * | 2016-10-25 | 2019-09-06 | 杭州云象网络技术有限公司 | A kind of method for secret protection based on block chain technology |
| CN106534273B (en) * | 2016-10-31 | 2022-04-15 | 中金云金融（北京）大数据科技股份有限公司 | Block chain metadata storage system and storage method and retrieval method thereof |
| CN106713412B (en) * | 2016-11-09 | 2020-11-06 | 弗洛格（武汉）信息科技有限公司 | Block chain system and block chain system configuration method |
| CN106779385A (en) * | 2016-12-07 | 2017-05-31 | 北京信任度科技有限公司 | The method and system of electronic evidence and user identity are fixed using block chain |
| WO2018109260A1 (en) * | 2016-12-16 | 2018-06-21 | Nokia Technologies Oy | Secure document management |
| WO2018112805A1 (en) * | 2016-12-21 | 2018-06-28 | 深圳前海达闼云端智能科技有限公司 | Blockchain storage method and device, and node device |
| CN106815530B (en) * | 2016-12-26 | 2020-04-24 | 北京爱接力科技发展有限公司 | Data storage method, data verification method and device |
| CN108270836B (en) * | 2017-01-03 | 2020-04-03 | 华为技术有限公司 | Data processing method, device and system based on block chain |
| WO2018126340A1 (en) * | 2017-01-03 | 2018-07-12 | 华为技术有限公司 | Blockchain-based data processing method, device and system |
| CN106934624B (en) * | 2017-01-04 | 2021-05-04 | 毛德操 | Method for using witness fingerprint block chain at input front end |
| CN111756550B (en) | 2017-03-28 | 2023-08-22 | 创新先进技术有限公司 | Block chain consensus method and device |
| CN107395557B (en) | 2017-03-28 | 2020-05-15 | 创新先进技术有限公司 | Service request processing method and device |
| CN108696356B (en) * | 2017-04-05 | 2020-08-18 | 中国移动通信有限公司研究院 | Block chain-based digital certificate deleting method, device and system |
| CN108696348A (en) * | 2017-04-06 | 2018-10-23 | 中国移动通信有限公司研究院 | A kind of method, apparatus, system and electronic equipment for realizing CA mutual trusts |
| CN107368184B (en) | 2017-05-12 | 2020-04-14 | 阿里巴巴集团控股有限公司 | Password input method and device in virtual reality scene |
| CN107193490B (en) * | 2017-05-16 | 2020-04-17 | 北京中星仝创科技有限公司 | Distributed data storage system and method based on block chain |
| CN107154850A (en) * | 2017-05-17 | 2017-09-12 | 北京汇通金财信息科技有限公司 | A kind of processing method and processing device of block chain data |
| CN107171785A (en) * | 2017-05-18 | 2017-09-15 | 电子科技大学 | A kind of digital copyright management method based on block chain technology |
| CN107480945A (en) * | 2017-08-10 | 2017-12-15 | 杭州全视软件有限公司 | A kind of block chain management method of responsibility |
| CN107659429A (en) * | 2017-08-11 | 2018-02-02 | 四川大学 | Data sharing method based on block chain |
| CN107579958B (en) * | 2017-08-15 | 2020-10-09 | 中国联合网络通信集团有限公司 | Data management method, device and system |
| CN107682308B (en) * | 2017-08-16 | 2019-12-13 | 北京航空航天大学 | Electronic evidence preservation system based on block chain latent channel technology |
| CN107657438B (en) * | 2017-09-18 | 2020-12-04 | 联动优势科技有限公司 | Block chain generation method, data verification method, node and system |
| CN107483498A (en) * | 2017-09-22 | 2017-12-15 | 中国联合网络通信集团有限公司 | Academic authentication method and system based on block chain |
| CN107832907A (en) * | 2017-09-25 | 2018-03-23 | 中央财经大学 | Students ' behavior information authentication system based on block chain technology |
| CN109559115A (en) * | 2017-09-25 | 2019-04-02 | 航天信息股份有限公司 | A kind of method for building up, method of commerce and the relevant apparatus of intelligence contract |
| CN107911225B (en) * | 2017-11-15 | 2021-01-19 | 李智虎 | Timestamp anti-counterfeiting method and device based on signature data chain |
| CN107977910A (en) * | 2017-12-04 | 2018-05-01 | 四川长虹电器股份有限公司 | A kind of educational background based on block chain signs and issues method and system |
| CN108471510A (en) * | 2018-01-29 | 2018-08-31 | 东莞理工学院 | A kind of vision operation record protection method and system based on block chain |
| CN108364242A (en) * | 2018-01-31 | 2018-08-03 | 北京安妮全版权科技发展有限公司 | The copyright for preserving intermediate file really weighs method and device |
| CN108418813B (en) * | 2018-02-12 | 2020-11-06 | 北京工业大学 | Electronic evidence chain of custody realization method based on trusted timestamp |
| CN108429759B (en) * | 2018-03-28 | 2020-06-30 | 电子科技大学成都研究院 | Decentralized storage safety implementation method |
| CN108809932B (en) * | 2018-04-09 | 2021-11-02 | 杭州拾贝知识产权服务有限公司 | Block chain-based deposit certificate system, method and readable medium |
| CN110163750A (en) * | 2018-04-10 | 2019-08-23 | 吉安英佳电子科技有限公司 | A kind of electronic evidence certification and exchange method and system based on block chain |
| CN108829697A (en) * | 2018-04-18 | 2018-11-16 | 中国地质大学（武汉） | A kind of time series data tissue registration method and system based on block chain |
| CN108667717B (en) * | 2018-04-20 | 2021-06-08 | 网易（杭州）网络有限公司 | Block chain processing method, medium, device and computing equipment based on instant messaging message record |
| CN108717431A (en) * | 2018-05-11 | 2018-10-30 | 中国科学院软件研究所 | A kind of electronic evidence based on block chain deposits card, verification method and system |
| CN108664770B (en) * | 2018-05-22 | 2022-02-08 | 上海七印信息科技有限公司 | High-reliability existence proving method based on block chain technology |
| CN108897760A (en) * | 2018-05-22 | 2018-11-27 | 贵阳信息技术研究院（中科院软件所贵阳分部） | Electronic evidence chain integrity verification method based on Merkel tree |
| CN108846752A (en) * | 2018-06-06 | 2018-11-20 | 北京京东金融科技控股有限公司 | Data processing method, system, block platform chain and readable storage medium storing program for executing |
| CN108959416B (en) * | 2018-06-08 | 2020-01-10 | 浙江数秦科技有限公司 | Webpage data automatic evidence obtaining and storing method based on block chain |
| CN109245894B (en) * | 2018-07-18 | 2021-03-26 | 电子科技大学 | Distributed cloud storage system based on intelligent contracts |
| CN109190337A (en) * | 2018-07-26 | 2019-01-11 | 伦哲 | A kind of method and system of the media content storage and retrieval based on block chain technology |
| CN109408551B (en) * | 2018-08-06 | 2021-07-06 | 杭州复杂美科技有限公司 | Data query method and system, consensus method and system, device and storage medium |
| CN110858329A (en) * | 2018-08-10 | 2020-03-03 | 奥的斯电梯公司 | Creating blockchains for maintaining records |
| US11736271B2 (en) | 2018-09-21 | 2023-08-22 | Nec Corporation | Method for signing a new block in a decentralized blockchain consensus network |
| CN109462540A (en) * | 2018-10-12 | 2019-03-12 | 彩讯科技股份有限公司 | Mail deposits card methods, devices and systems |
| CN109617690B (en) * | 2018-10-26 | 2021-04-09 | 北京新唐思创教育科技有限公司 | Block data processing method and computer storage medium |
| CN109542781B (en) * | 2018-11-14 | 2021-11-05 | 联动优势科技有限公司 | Block chain consensus algorithm testing method and device, calculating device and storage medium |
| CN109543459A (en) * | 2018-11-22 | 2019-03-29 | 中国联合网络通信集团有限公司 | A kind of data deposit card method and apparatus |
| CN109508984B (en) * | 2018-11-26 | 2021-09-07 | 中国科学院软件研究所 | Block chain electronic evidence storing method based on deterministic consensus and trusted timestamp |
| CN109726574A (en) * | 2018-12-29 | 2019-05-07 | 杭州趣链科技有限公司 | A kind of electronic proof system that can not be distorted based on block chain |
| CN109840769B (en) * | 2019-01-21 | 2022-01-25 | 中国联合网络通信集团有限公司 | Block chain based evidence storing method, device, system and storage medium |
| CN109547500A (en) * | 2019-01-21 | 2019-03-29 | 信雅达系统工程股份有限公司 | A kind of data sharing method and system for protecting user data ownership |
| CN110032547A (en) * | 2019-01-29 | 2019-07-19 | 香港贝尔科技有限公司 | File stores improved method under a kind of distributed environment |
| CN110008233A (en) * | 2019-03-31 | 2019-07-12 | 杭州复杂美科技有限公司 | A kind of information inquiry and know together method, system, equipment and storage medium |
| CN110163602A (en) * | 2019-04-04 | 2019-08-23 | 阿里巴巴集团控股有限公司 | A kind of verification method of account book, device and equipment |
| US10917231B2 (en) | 2019-04-04 | 2021-02-09 | Advanced New Technologies Co., Ltd. | Data storage method, apparatus, system and device |
| US10790968B2 (en) | 2019-04-04 | 2020-09-29 | Alibaba Group Holding Limited | Ledger verification method and apparatus, and device |
| CN110347745B (en) * | 2019-06-03 | 2020-10-02 | 阿里巴巴集团控股有限公司 | Time service authentication method, device and equipment for block chain type account book |
| US10778452B2 (en) | 2019-06-03 | 2020-09-15 | Alibaba Group Holding Limited | Blockchain ledger authentication |
| KR102273160B1 (en) * | 2019-08-01 | 2021-07-05 | 주식회사 블룸테크놀로지 | Ledger system of directed acyclic graph - account-wise transaction chain with byzantine fault tolerance |
| CN111213139B (en) | 2019-08-12 | 2023-11-21 | 创新先进技术有限公司 | Blockchain-based paperless document processing |
| WO2019214756A2 (en) | 2019-08-12 | 2019-11-14 | Alibaba Group Holding Limited | Blockchain-based dispute resolution |
| CN118172051A (en) * | 2019-08-12 | 2024-06-11 | 创新先进技术有限公司 | Block chain based citation delivery |
| CN110490741B (en) * | 2019-08-13 | 2023-03-24 | 山大地纬软件股份有限公司 | Device and method for managing data validity and controllability in block chain |
| CN110601849B (en) * | 2019-08-21 | 2021-05-11 | 腾讯科技（深圳）有限公司 | Trusted timestamp adding method and device and storage medium |
| CN110535663B (en) * | 2019-09-03 | 2022-03-15 | 浪潮云信息技术股份公司 | Method and system for realizing trusted timestamp service based on block chain |
| CN111355570B (en) * | 2020-02-24 | 2023-04-07 | 北京瑞友科技股份有限公司 | Trusted application network data tracing method and auditing method for software complex network |
| CN111415154B (en) * | 2020-03-17 | 2023-07-14 | 杰瑞石油天然气工程有限公司 | Method for realizing accounting management of company-level gas station by using blockchain technology |
| CN112948899A (en) * | 2021-03-31 | 2021-06-11 | 重庆风云际会智慧科技有限公司 | Portable law enforcement and evidence consolidating system |
| CN113535803B (en) * | 2021-06-15 | 2023-03-10 | 复旦大学 | Block chain efficient retrieval and reliability verification method based on keyword index |
| CN113343204B (en) * | 2021-08-06 | 2021-11-30 | 北京微芯感知科技有限公司 | Digital identity management system and method based on block chain |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419809A (en) * | 2011-10-29 | 2012-04-18 | 重庆君盾科技有限公司 | Safe, efficient and universal method for proving original value of electronic document |
| CN102624698A (en) * | 2012-01-17 | 2012-08-01 | 武汉理工大学 | Evidence management and service system for electronic records |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4290036B2 (en) * | 2004-02-27 | 2009-07-01 | キヤノン株式会社 | Information processing apparatus and print control apparatus |
-
2016
- 2016-03-02 CN CN201610118469.4A patent/CN105790954B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419809A (en) * | 2011-10-29 | 2012-04-18 | 重庆君盾科技有限公司 | Safe, efficient and universal method for proving original value of electronic document |
| CN102624698A (en) * | 2012-01-17 | 2012-08-01 | 武汉理工大学 | Evidence management and service system for electronic records |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105790954A (en) | 2016-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105790954B (en) | A kind of method and system constructing electronic evidence | |
| Dai et al. | A low storage room requirement framework for distributed ledger in blockchain | |
| Zhang et al. | Blockchain-based public integrity verification for cloud storage against procrastinating auditors | |
| Herschberg | Secure electronic voting over the world wide web | |
| CN110602217B (en) | Block chain-based alliance management method, device, equipment and storage medium | |
| CN111314067A (en) | Block storage method and device, computer equipment and storage medium | |
| CN111183427A (en) | Centralized account book system based on block chain management | |
| CN110689348B (en) | Revenue verification method, device, terminal and medium based on alliance chain | |
| CN112115193A (en) | Case ratio query method, device, equipment and storage medium based on block chain | |
| CN110321730A (en) | A kind of method, block chain node and the storage medium of operation data processing | |
| Gupta et al. | Blockchain-based voting system powered by post-quantum cryptography (BBVSP-pqc) | |
| Oprea et al. | Conceptual architecture of a blockchain solution for E-voting in elections at the university level | |
| CN114693241A (en) | Block chain-based electronic resume system and implementation method thereof | |
| Jain et al. | Towards Developing a Secure and Robust Solution for E-Voting using Blockchain | |
| Tejedor-Romero et al. | Distributed remote e-voting system based on Shamir’s secret sharing scheme | |
| Verma | A secure framework for E-voting using blockchain | |
| Malhotra et al. | Untangling e-voting platform for secure and enhanced voting using blockchain technology | |
| Zhou et al. | A Scalable Blockchain‐Based Integrity Verification Scheme | |
| Kerlooza et al. | Towards smart society: a study on multi-channel and public participation-based system architecture for civil registration and population data in Indonesia | |
| Al-Janabi et al. | Security of internet voting schemes: A survey | |
| Manikandan et al. | A Candidate Aware Internet Voting System For Indian Scenario | |
| Shahzad et al. | Blockchain based monitoring on trustless supply chain processes | |
| Cahya | Block Chain Model for Regional Elections in Indonesia | |
| Jagjivan et al. | Secure Digital Voting system based on Aadhaar Authentication by using Blockchain Technology | |
| CN100476750C (en) | System and method for monitoring and registering computer activity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20160720 Assignee: Cedar golden Services Technology (Guangzhou) Co.,Ltd. Assignor: BUBI (BEIJING) NETWORK TECHNOLOGY Co.,Ltd. Contract record no.: X2021990000108 Denomination of invention: A method and system of constructing electronic evidence Granted publication date: 20190409 License type: Common License Record date: 20210218 |