CN112035894A - Electronic evidence trusteeship system - Google Patents
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- CN112035894A CN112035894A CN202010938105.7A CN202010938105A CN112035894A CN 112035894 A CN112035894 A CN 112035894A CN 202010938105 A CN202010938105 A CN 202010938105A CN 112035894 A CN112035894 A CN 112035894A
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- 238000000034 method Methods 0.000 claims description 10
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims 2
- 230000007246 mechanism Effects 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 238000012550 audit Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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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
- H04L9/32—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
- H04L9/3247—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 digital signatures
- H04L9/3255—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 digital signatures using group based signatures, e.g. ring or threshold signatures
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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
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2151—Time stamp
Abstract
The application discloses electronic evidence trusteeship system includes: the system comprises an electronic evidence platform and a block chain digital evidence storing platform for providing electronic evidence hosting service for the electronic evidence platform; the electronic evidence platform comprises an evidence storing software development kit. The electronic evidence escrow mechanism can solve the problem that the existing electronic evidence escrow mechanism adopts a centralized mechanism, and when a problem occurs in the escrow mechanism, the escrow mechanism can cause great influence on the escrowed electronic evidence; and most of the existing electronic evidence hosting mechanisms lack credibility, and the safety of the hosted electronic evidence cannot be guaranteed.
Description
The present application claims priority from chinese patent application entitled "an electronic evidence hosting system" filed by the chinese patent office at 20/7/2020, application number 202010700365.0, the entire contents of which are incorporated herein by reference.
Technical Field
The application relates to the technical field of data hosting, in particular to an electronic evidence hosting system.
Background
With the popularization of internet applications represented by electronic commerce, a large amount of online transaction business data and signed electronic contract data are generated, both transaction parties and contract signing related parties and platforms need to store the electronic evidences, and related technologies need to be used for ensuring the objectivity, integrity and authenticity of the electronic evidences and avoiding tampering, deletion and counterfeiting. Accordingly, escrow of electronic evidence arose.
However, the centralized electronic evidence hosting mechanism adopted at present has great influence on the hosted electronic evidence when the hosting mechanism has problems. In addition, most of the existing electronic evidence hosting mechanisms lack credibility, and the security of the hosted electronic evidence cannot be guaranteed.
Disclosure of Invention
The application provides an electronic evidence escrow system, which aims to solve the problem that the existing electronic evidence escrow mechanism adopts a centralized mechanism and can cause great influence on escrowed electronic evidence when the escrow mechanism has a problem; and most of the existing electronic evidence hosting mechanisms lack credibility, and the safety of the hosted electronic evidence cannot be guaranteed.
In one aspect, an electronic evidence escrow system includes: the system comprises an electronic evidence platform and a block chain digital evidence storing platform for providing electronic evidence hosting service for the electronic evidence platform; the electronic evidence platform comprises an evidence storing and evidence storing software development kit; wherein the content of the first and second substances,
the electronic evidence platform is configured with:
a tool package calling step, calling the evidence storing software development tool package to generate electronic evidence storing data;
the evidence-storing software development kit is configured with:
an abstract generating step, namely performing Hash operation on the electronic evidence to generate a digital abstract;
a signature step, namely performing electronic signature on the digital abstract by using a private key to obtain an evidence signature;
a time stamp generation step of generating a time stamp;
the electronic evidence platform is configured with:
an evidence hosting step, namely sending the electronic evidence, the digital abstract, the evidence signature and the timestamp to the block chain digital evidence storage platform;
the blockchain digital evidence storage platform is configured with:
a step of uplink storage, in which the electronic evidence, the digital abstract, the evidence signature and the timestamp are uplink stored;
and a escrow transaction generation step, recording the uplink storage process of the electronic evidence, the digital abstract, the evidence signature and the timestamp as an electronic evidence escrow transaction.
In another aspect, an electronic evidence escrow system includes: the system comprises an electronic evidence platform and a block chain digital evidence storing platform for providing electronic evidence hosting service for the electronic evidence platform; the block chain digital evidence storage platform comprises an evidence storage software development kit; wherein the content of the first and second substances,
the electronic evidence platform is configured with:
an evidence hosting step, namely sending the electronic evidence to the block chain digital evidence storage platform;
the blockchain digital evidence storage platform is configured with:
a tool package calling step, calling the evidence storing evidence software development tool package;
the evidence-storing software development kit is configured with:
an abstract generating step, namely performing Hash operation on the received electronic evidence to generate a digital abstract;
a signature step, namely performing electronic signature on the digital abstract by using a private key to obtain an evidence signature;
a time stamp generation step of generating a time stamp;
the blockchain digital certification storage platform is further configured with:
a step of uplink storage, in which the electronic evidence, the digital abstract, the evidence signature and the timestamp are uplink stored;
and a escrow transaction generation step, recording the uplink storage process of the electronic evidence, the digital abstract, the evidence signature and the timestamp as an electronic evidence escrow transaction.
According to the above technical solution, the electronic evidence hosting system provided by the present application includes: the system comprises an electronic evidence platform and a block chain digital evidence storing platform for providing electronic evidence hosting service for the electronic evidence platform; the electronic evidence platform comprises an evidence storing software development kit. The electronic evidence escrow system provided by the application combines an electronic evidence platform and a block chain together by utilizing the characteristics of decentralization, non-tampering, whole-course trace retention, traceability, collective maintenance, public transparency and the like of the block chain, is used for escrowing electronic evidence, and can ensure the credibility and privacy of the escrowed electronic evidence. By calling the evidence storing software development kit, the operations of Hash operation, electronic signature, timestamp adding and the like are carried out on the electronic evidence, and the safety and the privacy of the managed electronic evidence can be further enhanced. The processed electronic evidence is stored on the block chain digital evidence storage platform for electronic evidence hosting, the electronic evidence is stored on the professional sub-chain in a data block mode, and transaction records generated in the hosting process are synchronously stored on the professional sub-chain, so that the anti-tampering and anti-counterfeiting performances of electronic evidence hosting can be enhanced.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a topological diagram of a first electronic evidence hosting system provided in an embodiment of the present application;
FIG. 2 is a data processing flow diagram of the electronic evidence hosting system shown in FIG. 1;
FIG. 3 is a second electronic evidence hosting system topology diagram provided by an embodiment of the present application;
FIG. 4 is a data processing flow diagram of the electronic evidence hosting system shown in FIG. 3;
fig. 5 is a topological diagram of a third electronic evidence hosting system provided in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a topological diagram of a first electronic evidence hosting system according to an embodiment of the present application. As shown in fig. 1, the electronic evidence hosting system provided by this embodiment includes: the electronic evidence system comprises an electronic evidence platform 1, a block chain digital evidence storing platform 2 for providing electronic evidence hosting service for the electronic evidence platform 1 and a professional subchain 3 for providing solidified evidence storing service for electronic evidence hosted by the block chain digital evidence storing platform 2, wherein the professional subchain 3 can comprise a plurality of service nodes 31; the electronic evidence platform 1 may locally integrate an evidence-storing Software Development Kit (SDK) 4, where the evidence-storing Software Development Kit 4 is used to perform corresponding processing on the electronic evidence, and the corresponding processing may be encryption processing or a series of operation processing, so as to improve the security of the electronic evidence and is not easy to be tampered or forged. The form and content of the electronic evidence are various, and may be, for example, an electronic invoice, an electronic insurance policy, or an electronic contract, and the present application is not particularly limited. Taking an electronic contract as an example, the basic information of the certificate-storing data of the electronic contract can be shown in table 1, and table 1 is a comparison table of the basic information of the certificate-storing data of the electronic contract.
TABLE 1
It should be noted that the electronic evidence platform 1 described in this application may be an application platform on the blockchain, or may be a plug-in platform that establishes a communication connection with the blockchain. The block chain digital evidence storage platform 2 and the professional sub-chain 3 can be one of a public chain, a private chain, a sub-chain or a alliance chain which are in communication connection with a certain block chain or a plurality of block chains, wherein the electronic evidence platform 1 can be a functional sub-chain or an alliance chain, the block chain digital evidence storage platform 2 can be a functional sub-chain or an alliance chain, the electronic evidence platform 1 can also be a common platform of the internet of things, and the professional sub-chain 3 can be a public chain, a functional sub-chain or an alliance chain; for example, the professional subchain 3 may be a trusted authority such as a justice authority, a law firm, a court, and the like, and the present application is not limited specifically.
Specifically, fig. 2 is a data processing flow diagram of the electronic evidence hosting system shown in fig. 1. In conjunction with fig. 1 and 2, the electronic evidence platform 1 may be configured with:
and calling the evidence storing software development kit to generate evidence storing data of the electronic evidence. When the evidence storing software development kit 4 is called, the electronic evidence is used as input data for the operation of the evidence storing software development kit 4, and finally the evidence storing data is output.
The evidence-accreditation software development kit 4 may be configured with:
an abstract generating step, namely performing Hash operation on the electronic evidence to generate a digital abstract;
a signature step, namely performing electronic signature on the digital abstract by using a private key to obtain an evidence signature;
and a time stamp generation step of generating a time stamp. The timestamp may time the electronic evidence deposit data.
In order to increase the data security of the electronic evidence, an evidence storing software development kit 4 can be called to convert the electronic evidence into a digital abstract and an evidence signature, and a timestamp is added; the private key and the public key appear correspondingly, and after the digital abstract is electronically signed by using the private key, the evidence signature can be conveniently restored by using the public key subsequently so as to call the electronic evidence. The private key here may be the private key of the electronic evidence platform 1, and the public key for the pair is also the public key of the electronic evidence platform 1.
The electronic evidence platform 1 may be further configured with an evidence escrow step that sends the electronic evidence, the digital digest, the evidence signature, and the timestamp to the blockchain digital proof platform. Before the evidence escrow step is executed, an encryption step can be further executed to encrypt the electronic evidence, the digital abstract, the evidence signature and the timestamp, and the encrypted data is sent to the block chain digital evidence storage platform after encryption, so that the data security in the data transmission process can be further enhanced. The encryption mode may be a symmetric key mode, and the user information of the electronic evidence may be used as a key for encryption, which is not specifically limited in the present application.
The blockchain digital certification platform 2 may be configured with:
a decryption step of decrypting the received encrypted data; decryption can be carried out according to a decryption mode corresponding to the encryption mode;
a step of uplink storage, in which the decrypted electronic evidence, the digital abstract, the evidence signature and the timestamp are uplink stored;
a trusteeship transaction generation step, wherein the uplink storage process of the electronic evidence, the digital abstract, the evidence signature and the timestamp is recorded as a one-time electronic evidence trusteeship transaction;
a transaction signature step, namely performing electronic signature on the electronic evidence escrow transaction to obtain a transaction signature;
and an evidence sending step, namely sending the electronic evidence, the digital abstract, the evidence signature, the timestamp and the transaction signature to a service node of the professional subchain.
When the blockchain digital proof platform 2 completes the uplink storage step, the escrow of the electronic proof may be considered to have been completed. In order to improve the credibility of electronic evidence hosting, the professional subchain 3 can be further introduced to perform solidified evidence storage on the hosted electronic evidence.
Further, the service node of the professional child chain 3 may be configured with:
a block generation step, namely packaging the received electronic evidence, the digital abstract, the evidence signature and the timestamp and generating a data block;
and solidifying the step of storing the certificate, namely storing the data block and carrying out electronic evidence escrow transaction.
The professional subchain 3 can be used as a hosting assistant party to synchronously store the data hosted and stored on the blockchain digital evidence storing platform 2 in a data block mode so as to solidify hosting storage on the blockchain digital evidence storing platform 2; meanwhile, the storage process of the electronic evidence on the blockchain digital evidence storage platform 2 is stored on the professional subchain 3 in a transaction or transaction signature mode, so that the electronic evidence hosting service of the blockchain digital evidence storage platform 2 can be managed in an auxiliary mode.
The present application is not limited specifically to the uplink storage of the blockchain digital certification platform 2 and the uplink storage of the professional subchain 3, and whether the storage mode stores the original data synchronously or only stores the data abstract or the compressed data of the original data.
Fig. 3 is a topological diagram of a second electronic evidence hosting system provided in an embodiment of the present application, and fig. 4 is a data processing flowchart of the electronic evidence hosting system shown in fig. 3. With reference to fig. 3 and fig. 4, the electronic evidence hosting system provided in this embodiment further includes a public service subchain 00, where the public service subchain 00 may include an electronic evidence platform 1 and at least one public service node 5, and the public service node 5 may be a justice node, an audit node, or a supervision node, and provides services such as justice, audit, or supervision for the electronic evidence. The service nodes 31 may include one or more trusted service nodes 32, the number of trusted service nodes 32 and the number of service nodes 31 shown in fig. 3 are only illustrative, and the trusted service nodes 32 may provide trusted services for other service nodes 31, such as justice services, forensic services, audit services, and the like, and may specifically be related legal services, such as law firms, court or justice institutions, and the like, which is not limited in this application.
Specifically, the public service node 5 may be configured with:
and a service signing step, namely signing the electronic evidence by using a public service subchain private key to obtain service signature data. The number of the common service nodes shown in fig. 4 is n, where n may be any positive integer, and the obtained service signature data includes: service signature data 1, service signature data 2, …, service signature data n. The service signature data can be a fair signature given to the electronic evidence by a fair organization, a supervision signature signed and checked by a supervision organization, and the like. For example, E represents electronic evidence, the public service subchain private keys may include private keys of 1 st to nth public service nodes, which are k1, k2, …, kn, respectively, and signatures of the electronic evidence by the 1 st to nth public service nodes are: sk1(E)，Sk2(E)，…，Skn(E)。
Further, the electronic evidence platform 1 is further configured with:
and a set signature step, namely performing set signature on the service signature data to obtain set signature data. The set signature may be formed by adding, multiplying or splicing a plurality of service signature data together, and the specific form of the set signature is not limited in the present application. For example, G may represent set signature data, and G ═ Sk1(E)，Sk2(E)，…，Skn(E)]。
In the abstract generating step, carrying out Hash operation on the set signature data to obtain a digital abstract; in the evidence hosting step, the set signature data, the digital digest, the evidence signature and the timestamp are sent to the blockchain digital evidence storage platform.
In the uplink storage step of the block chain digital certificate storage platform, the aggregated signature data, the digital abstract, the evidence signature and the timestamp are stored in an uplink mode; in the escrow transaction generation step, the uplink storage process of the collective signature data, the digital digest, the evidence signature and the timestamp is recorded as an electronic evidence escrow transaction.
Fig. 5 is a topological diagram of a third electronic evidence hosting system provided in the embodiment of the present application. As shown in fig. 5, the electronic evidence hosting system provided by this embodiment includes: the system comprises an electronic evidence platform 1 and a blockchain digital evidence storing platform 2 which are mutually communicated and a professional sub-chain 3 which is communicated and connected with the blockchain digital evidence storing platform 2, wherein the professional sub-chain 3 can comprise a plurality of service nodes 31 which are in point-to-point communication; the block chain digital evidence storage platform 2 comprises an evidence storage software development kit 4; the blockchain digital evidence storage platform 2 can provide electronic evidence hosting services for the electronic evidence platform 1, and the professional subchain 3 can provide solidified evidence storage services for the electronic evidence hosted by the blockchain digital evidence storage platform 2. The evidence storage software development kit 4 may be integrated on the electronic evidence platform 1, or may be integrated on the blockchain digital evidence storage platform 2, and may be separately present as a service platform in the electronic evidence hosting system to be called by the electronic evidence platform 1 or the blockchain digital evidence storage platform 2, which is not specifically limited in this application.
Specifically, the electronic evidence platform 1 may be configured with an evidence escrow step to send the electronic evidence to the blockchain digital evidence storage platform. Before the evidence escrow step is executed, an encryption step can be further executed to encrypt the electronic evidence, and the electronic evidence is sent to the block chain evidence storage platform after being encrypted.
The blockchain digital evidence storing platform 2 may be configured with a software development kit calling step to call the evidence storing software development kit. Before the evidence storing software development kit is called, the encrypted electronic evidence can be decrypted, and the decrypted electronic evidence is used as input data of the evidence storing software development kit.
The evidence-accreditation software development kit 4 may be configured with:
an abstract generating step, namely performing Hash operation on the decrypted electronic evidence to generate a digital abstract;
a signature step, namely performing electronic signature on the digital abstract by using a private key to obtain an evidence signature;
and a time stamp generation step of generating a time stamp.
The blockchain digital certification platform 2 may be further configured with:
a step of uplink storage, in which electronic evidence, a digital abstract, an evidence signature and a timestamp are uplink stored;
a trusteeship transaction generation step, wherein the uplink storage process of the electronic evidence, the digital abstract, the evidence signature and the timestamp is recorded as a one-time electronic evidence trusteeship transaction;
a transaction signature step, namely performing electronic signature on the electronic evidence escrow transaction to obtain a transaction signature;
and an evidence sending step, namely sending the electronic evidence, the digital abstract, the evidence signature, the timestamp and the transaction signature to a service node of the professional subchain.
The service node 31 of the professional child chain 3 may be configured with:
a block generation step, namely packaging the received electronic evidence, the digital abstract, the evidence signature and the timestamp and generating a data block;
and solidifying the step of storing the certificate, namely storing the data block and carrying out electronic evidence escrow transaction.
It should be noted that the electronic evidence platform 1 may include a plurality of users, and may generate a plurality of electronic evidences. A plurality of electronic evidence platforms 1 in communication connection with the block chain digital evidence storage platform 2 can be provided; the blockchain digital authentication platform 2 may include a plurality of nodes capable of peer-to-peer communication, which is not specifically limited in this application.
The electronic evidence escrow system provided by the application combines an electronic evidence platform and a block chain together by utilizing the characteristics of decentralization, non-tampering, whole-course trace retention, traceability, collective maintenance, public transparency and the like of the block chain, is used for escrowing electronic evidence, and can ensure the credibility and privacy of the escrowed electronic evidence. By calling the evidence storing software development kit, the operations of Hash operation, electronic signature, timestamp adding and the like are carried out on the electronic evidence, and the safety and the privacy of the managed electronic evidence can be further enhanced. The processed electronic evidence is stored on the block chain digital evidence storage platform for electronic evidence hosting, the electronic evidence is stored on the professional sub-chain in a data block mode, and transaction records generated in the hosting process are synchronously stored on the professional sub-chain, so that the anti-tampering and anti-counterfeiting performances of electronic evidence hosting can be further enhanced.
Claims (10)
1. An electronic evidence escrow system, comprising: the system comprises an electronic evidence platform and a block chain digital evidence storing platform for providing electronic evidence hosting service for the electronic evidence platform; the electronic evidence platform comprises an evidence storing and evidence storing software development kit; wherein the content of the first and second substances,
the electronic evidence platform is configured with:
a tool package calling step, calling the evidence storing software development tool package to generate electronic evidence storing data;
the evidence-storing software development kit is configured with:
an abstract generating step, namely performing Hash operation on the electronic evidence to generate a digital abstract;
a signature step, namely performing electronic signature on the digital abstract by using a private key to obtain an evidence signature;
a time stamp generation step of generating a time stamp;
the electronic evidence platform is configured with:
an evidence hosting step, namely sending the electronic evidence, the digital abstract, the evidence signature and the timestamp to the block chain digital evidence storage platform;
the blockchain digital evidence storage platform is configured with:
a step of uplink storage, in which the electronic evidence, the digital abstract, the evidence signature and the timestamp are uplink stored;
and a escrow transaction generation step, recording the uplink storage process of the electronic evidence, the digital abstract, the evidence signature and the timestamp as an electronic evidence escrow transaction.
2. The electronic evidence hosting system of claim 1 further comprising a professional subchain for providing a solidified evidence-depositing service for electronic evidence hosted by the blockchain digital evidence-depositing platform, the professional subchain comprising a plurality of storage service nodes, and,
the blockchain digital certification storage platform is further configured with:
an evidence sending step of sending the electronic evidence, the digital abstract, the evidence signature, the timestamp and the electronic evidence escrow transaction to the service node of the professional child chain;
the service node is configured with:
a block generation step of packaging the received electronic evidence, the digital abstract, the evidence signature and the timestamp and generating a data block;
and solidifying and storing the evidence, namely storing the data block and the electronic evidence hosting transaction.
3. The electronic evidence escrow system according to claim 2, wherein in the evidence escrow step, the electronic evidence, the digital digest, the evidence signature, and the timestamp are encrypted, and an obtained ciphertext is sent to the blockchain digital proof platform;
the blockchain digital certification storage platform is further configured with:
and a decryption step of decrypting the received ciphertext.
4. The electronic evidence escrow system of claim 2, wherein, at the evidence sending step, an electronic signature operation is performed on the electronic evidence escrow transaction; and sending the signed electronic evidence escrow transaction to a service node of the professional child chain.
5. The electronic evidence hosting system of claim 2, 3 or 4 further comprising a common service subchain comprising the electronic evidence platform and at least one common service node;
the public service node is configured with:
a service signing step, namely signing the electronic evidence by using a public service subchain private key to obtain service signing data;
the electronic evidence platform is further configured with:
a set signature step, namely performing set signature on the service signature data to obtain set signature data;
in the digest generation step, performing hash operation on the set signature data to obtain a digital digest;
and in the evidence hosting step, sending the set signature data, the digital digest, the evidence signature and the timestamp to the blockchain digital evidence storage platform.
6. The electronic evidence hosting system of claim 5 wherein the service node comprises at least one trusted service node.
7. An electronic evidence escrow system, comprising: the system comprises an electronic evidence platform and a block chain digital evidence storing platform for providing electronic evidence hosting service for the electronic evidence platform; the block chain digital evidence storage platform comprises an evidence storage software development kit; wherein the content of the first and second substances,
the electronic evidence platform is configured with:
an evidence hosting step, namely sending the electronic evidence to the block chain digital evidence storage platform;
the blockchain digital evidence storage platform is configured with:
a tool package calling step, calling the evidence storing evidence software development tool package;
the evidence-storing software development kit is configured with:
an abstract generating step, namely performing Hash operation on the received electronic evidence to generate a digital abstract;
a signature step, namely performing electronic signature on the digital abstract by using a private key to obtain an evidence signature;
a time stamp generation step of generating a time stamp;
the blockchain digital certification storage platform is further configured with:
a step of uplink storage, in which the electronic evidence, the digital abstract, the evidence signature and the timestamp are uplink stored;
and a escrow transaction generation step, recording the uplink storage process of the electronic evidence, the digital abstract, the evidence signature and the timestamp as an electronic evidence escrow transaction.
8. The electronic evidence hosting system of claim 7 further comprising a professional subchain that provides a solidified evidence hosting service for electronic evidence hosted by the blockchain digital evidence hosting platform, the professional subchain comprising a plurality of service nodes, and,
the blockchain digital certification storage platform is further configured with:
an evidence sending step of sending the electronic evidence, the digital abstract, the evidence signature, the timestamp and the electronic evidence escrow transaction to the service node of the professional child chain;
the service node is configured with:
a block generation step of packaging the received electronic evidence, the digital abstract, the evidence signature and the timestamp and generating a data block;
and solidifying and storing the evidence, namely storing the data block and the electronic evidence hosting transaction.
9. The electronic evidence escrow system according to claim 7, wherein in the evidence escrow step, the electronic evidence, the digital digest, the evidence signature, and the timestamp are encrypted, and an obtained ciphertext is sent to the blockchain digital proof platform;
the blockchain digital certification storage platform is further configured with:
and a decryption step of decrypting the received ciphertext.
10. The electronic evidence escrow system of claim 7, wherein, at the evidence sending step, an electronic signature operation is performed on the electronic evidence escrow transaction; and sending the signed electronic evidence escrow transaction to the service node of the professional child chain.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021118711A JP2022020595A (en) | 2020-07-20 | 2021-07-19 | Electronic evidence trust system |
| FR2107790A FR3112627A1 (en) | 2020-07-20 | 2021-07-20 | Electronic evidence escrow system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700365 | 2020-07-20 | ||
| CN2020107003650 | 2020-07-20 |
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| CN112035894A true CN112035894A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010938105.7A Pending CN112035894A (en) | 2020-07-20 | 2020-09-09 | Electronic evidence trusteeship system |
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| Country | Link |
|---|---|
| JP (1) | JP2022020595A (en) |
| CN (1) | CN112035894A (en) |
| FR (1) | FR3112627A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112966126A (en) * | 2021-02-26 | 2021-06-15 | 南京审计大学 | High-reliability knowledge base construction method capable of inquiring and tracing mass unstructured data content |
| WO2023106629A1 (en) * | 2021-12-08 | 2023-06-15 | 고려대학교 산학협력단 | Control method for blockchain-based evidence data notarization system, and recording medium and system for performing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115567228B (en) * | 2022-12-07 | 2023-03-24 | 北京邮电大学 | Data transmission method and device, electronic equipment and storage medium |
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| CN110334542B (en) * | 2019-06-20 | 2023-02-28 | 创新先进技术有限公司 | Network evidence preservation and network evidence preservation verification method and device |
| CN111291422B (en) * | 2020-03-20 | 2021-08-06 | 南京优物链科技有限公司 | Credible image platform based on block chain technology |
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- 2021-07-20 FR FR2107790A patent/FR3112627A1/en not_active Withdrawn
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| CN107888375A (en) * | 2017-11-08 | 2018-04-06 | 深圳市携网科技有限公司 | A kind of electronic evidence safety system and method based on block chain technology |
| US20190173872A1 (en) * | 2017-12-04 | 2019-06-06 | Mastercard International Incorporated | Method and system for trustworthiness using digital certificates |
| 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 |
| CN111177172A (en) * | 2019-12-31 | 2020-05-19 | 江苏荣泽信息科技股份有限公司 | Electronic deposit certificate system based on block chain |
| CN111314067A (en) * | 2020-02-05 | 2020-06-19 | 腾讯科技（深圳）有限公司 | Block storage method and device, computer equipment and storage medium |
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| CN112966126A (en) * | 2021-02-26 | 2021-06-15 | 南京审计大学 | High-reliability knowledge base construction method capable of inquiring and tracing mass unstructured data content |
| WO2023106629A1 (en) * | 2021-12-08 | 2023-06-15 | 고려대학교 산학협력단 | Control method for blockchain-based evidence data notarization system, and recording medium and system for performing same |
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| FR3112627A1 (en) | 2022-01-21 |
| JP2022020595A (en) | 2022-02-01 |
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