CN113343256A - Electronic evidence obtaining and storing system based on block chain technology - Google Patents
Electronic evidence obtaining and storing system based on block chain technology Download PDFInfo
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Abstract
The invention provides an electronic evidence obtaining and storing system based on a block chain technology, and relates to the technical field of block chains. The electronic evidence obtaining and depositing system based on the block chain technology comprises an evidence obtaining module, an evidence obtaining module and an evidence depositing module, wherein the evidence obtaining module comprises a hardware reading module, a scanning identification module, a key information extraction module and a key generation module, the bank system module, the medical system module and the network bank system module respectively comprise a key verification module, an information retrieval module and a data arrangement module, and the evidence depositing module comprises an authority verification module, an information input module and a plurality of block chains. Various evidences can be obtained through the evidence obtaining module and the evidence assisting module, and then an evidence chain combined according to a time sequence is formed through the authority auditing module, the information input module and the block chain, so that the characteristic that the block chain cannot be tampered can be utilized, and the safety, reliability and effectiveness of the evidences are guaranteed.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to an electronic evidence obtaining and storing system based on a block chain technology.
Background
The electronic evidence obtaining refers to a process of obtaining, storing, analyzing and presenting evidence of behaviors such as computer intrusion, damage, fraud, attack and the like in a manner of meeting legal specifications by using computer software and hardware technologies.
At present, electronic evidence is obtained only by searching and obtaining evidence for a computer, but the electronic evidence is very fragile, is very easy to be falsified, forged and damaged and is very unsafe, and the obtained evidence is relatively complete and has no evidence for assisting with the evidence.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an electronic evidence obtaining and storing system based on a block chain technology, which solves the problems that the evidence obtained by the prior art is unsafe and is relatively unilateral.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an electronic evidence obtaining and storing system based on a block chain technology comprises an evidence obtaining module, an evidence assisting module and an evidence storing module;
the system comprises a forensics module, a key information extraction module and a key generation module, wherein the forensics module comprises a hardware reading module, a scanning identification module, a key information extraction module and a key generation module, the hardware reading module is used for extracting personal information data in a hard disk, a computer, a mobile phone and a camera, the scanning identification module is used for scanning and identifying photos and files, the key information extraction module is used for further extracting the key information data from the personal information data read by the hardware reading module, and the key generation module is used for carrying out encryption processing on the key information data;
the system comprises a certification module, a system management module and a system management module, wherein the certification module comprises a bank system module, a medical system module and an internet bank system module, the medical system module and the internet bank system module respectively comprise a key verification module, an information retrieval module and a data sorting module, the key verification module is used for verifying and decrypting key information data after encryption processing, the information retrieval module is used for retrieving related data in the system module according to the key information data, and the data sorting module is used for recording and sorting the related data retrieved by the information retrieval module;
the evidence storage module comprises an authority auditing module, an information input module and a plurality of block chains, wherein the authority auditing module is used for performing admission authority auditing on uploaded data, the information input module is used for recording the uploaded data into the corresponding block chains according to an input time sequence, and the block chains are used for forming evidence chains from the related uploaded data according to the time sequence.
Preferably, the evidence obtaining module further comprises a video recording module, and the video recording module can be used for shooting and recording the working processes of the hardware reading module and the scanning identification module.
Preferably, the bank system module, the medical system module and the internet bank system module further include a record storage module, and the record storage module can be used for storing and recording the working process of the key verification module.
Preferably, the evidence storage module further includes a query module, and the query module may be configured to query data in each block chain.
Preferably, the personal information data includes a system work log, mail information, storage data, identity information and its account information under the name, wherein the identity information and its account information under the name also belong to key information data.
Preferably, each block chain corresponds to one identity information generation evidence chain.
Preferably, the implementation method of the electronic evidence obtaining and depositing system comprises the following steps:
s1, during evidence collection, firstly, extracting personal information data such as system working logs, mail information, stored data, identity information and named account information in a hard disk, a computer, a mobile phone and a camera through a hardware reading module, uploading the data as evidence, then scanning and identifying written information such as photos and files through a scanning identification module, uploading the data as the evidence, simultaneously shooting and recording the working processes of the hardware reading module and the scanning identification module through a video recording module, and uploading the data as the evidence;
s2, extracting key information such as identity information and named account information from personal information data through a key information extraction module during evidence obtaining, conveniently retrieving related information, encrypting the key information data through a key generation module, synchronously transmitting the data to a bank system module, a medical system module and an internet bank system module in an evidence assisting module, verifying and decrypting the encrypted key information data through key verification modules respectively, retrieving bank transaction records related to the key information in the bank system module through information retrieval modules respectively, retrieving medical records related to the key information in the medical system module, retrieving network consumption records and network credit records related to the key information in the internet bank system module, and retrieving the retrieved bank transaction records through a data sorting module respectively, Medical records, network consumption records and network credit records are recorded and sorted, and serve as evidences to upload data, and meanwhile, the record storage module of each system module can also store and record the working process of the key verification module;
and S3, after the evidence and evidence are uploaded, performing admission authority verification on the uploaded data through an authority verification module, if the authority verification module does not have authority, not allowing the data to be uploaded to the block chain, if the authority exists, recording the uploaded data into the corresponding block chain according to an admission time sequence through an information entry module, and forming an evidence chain by the related uploaded data according to the time sequence, so that evidence obtaining and evidence storing can be completed.
(III) advantageous effects
The invention provides an electronic evidence obtaining and storing system based on a block chain technology. The method has the following beneficial effects:
1. according to the evidence collection system, various evidences can be obtained through the evidence collection module and the evidence support module, then an evidence chain combined according to a time sequence is formed through the authority verification module, the information input module and the block chain, so that the safety, reliability and effectiveness of the evidences can be guaranteed by utilizing the characteristic that the block chain cannot be tampered, meanwhile, the working processes of the hardware reading module and the scanning identification module can be shot and recorded through the video recording module and can be uploaded to the block chain as the evidences, the evidence collection process is guaranteed to be open and transparent, and the reliability and effectiveness of the evidences are further guaranteed.
2. The invention can acquire various personal information data and written information as main evidences through the hardware reading module and the scanning identification module, can extract key information such as identity information and name account information through the key information extraction module, and then acquires related bank transaction records, medical records, network consumption records and network credit records as evidences from the bank system module, the medical system module and the network bank system module through the information retrieval module and the data sorting module, thereby ensuring that an evidence chain is more comprehensive.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a block diagram of a banking system according to the present invention;
FIG. 3 is a block diagram of a medical system of the present invention;
FIG. 4 is a schematic block diagram of an Internet banking system according to the present invention;
FIG. 5 is a schematic flow chart of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
The first embodiment is as follows:
as shown in fig. 1-5, an embodiment of the present invention provides an electronic evidence obtaining and depositing system based on a block chain technology, which includes an evidence obtaining module, an evidence assisting module, and an evidence depositing module;
the evidence obtaining module comprises a hardware reading module, a scanning identification module, a key information extraction module and a key generation module, wherein the hardware reading module is used for extracting personal information data in a hard disk, a computer, a mobile phone and a camera, the scanning identification module is used for scanning and identifying photos and files, the key information extraction module is used for further extracting key information data from the personal information data read by the hardware reading module, the key generation module is used for encrypting the key information data, the personal information data and written information acquired by the hardware reading module and the scanning identification module are uploaded into a block chain in the evidence storing module as main evidence, meanwhile, key information such as identity information, named account information and the like are extracted by the key information extraction module, and then the key information such as the identity information, the named account information and the like are extracted from the bank system module through the information retrieval module and the data sorting module, The medical system module and the network bank system module acquire related data as evidences and upload the data to the block chain, and the data are combined into a complete evidence chain, so that the evidence chain can be ensured to be more comprehensive;
the evidence-making module comprises a bank system module, a medical system module and an internet bank system module, wherein the bank system module, the medical system module and the internet bank system module respectively comprise a key verification module, an information retrieval module and a data sorting module, the key verification module is used for verifying and decrypting the encrypted key information data, the information retrieval module is used for retrieving related data in the system module according to the key information data, the data sorting module is used for recording and sorting the related data retrieved by the information retrieval module, the related data such as bank transaction records, medical record, network consumption records and network credit records and the like can be obtained from the bank system module, the medical system module and the internet bank system module to serve as evidence, and in the process of obtaining the evidence, the key information is encrypted firstly by using the key generation module and the key verification module, The information is encrypted and verified again, so that the information leakage can be prevented, and the method can be used as a verification means, thereby ensuring the safety of information exchange;
the evidence storage module comprises an authority auditing module, an information input module and a plurality of block chains, the authority auditing module is used for recording and acquiring authority auditing to uploaded data, the information input module is used for recording the uploaded data into the corresponding block chains according to an input time sequence, the block chains are used for forming evidence chains from the related uploaded data according to the time sequence, and after evidence acquisition is completed, the evidence chains combined according to the time sequence are formed through the authority auditing module, the information input module and the block chains, so that the characteristic that the block chains cannot be tampered can be utilized, and the safety, reliability and effectiveness of evidence are guaranteed.
The evidence obtaining module further comprises a video recording module, the video recording module can be used for shooting the working process of the recording hardware reading module and the scanning identification module, the working process of the recording hardware reading module and the working process of the scanning identification module can also be shot through the video recording module, and the working process can also be uploaded to a block chain as evidence, so that the evidence obtaining process is guaranteed to be open and transparent, and the reliability and effectiveness of the evidence are further guaranteed.
The bank system module, the medical system module and the network bank system module also comprise a record storage module, and the record storage module can be used for storing and recording the working process of the key verification module, so that the relevant evidence obtaining records can be conveniently inquired at any time.
The evidence storage module also comprises a query module which can be used for querying data in each block chain.
The personal information data comprises a system working log, mail information, storage data, identity information and named account information thereof, wherein the identity information and the named account information thereof also belong to key information data.
Each block chain corresponds to an identity information generation evidence chain.
Example two:
as shown in fig. 5, an embodiment of the present invention provides an electronic evidence obtaining and depositing system based on a block chain technology, and an implementation method of the electronic evidence obtaining and depositing system includes the following steps:
s1, during evidence collection, firstly, extracting personal information data such as system working logs, mail information, stored data, identity information and named account information in a hard disk, a computer, a mobile phone and a camera through a hardware reading module, uploading the data as evidence, then scanning and identifying written information such as photos and files through a scanning identification module, uploading the data as the evidence, simultaneously shooting and recording the working processes of the hardware reading module and the scanning identification module through a video recording module, and uploading the data as the evidence;
s2, extracting key information such as identity information and named account information from personal information data through a key information extraction module during evidence obtaining, conveniently retrieving related information, encrypting the key information data through a key generation module, synchronously transmitting the data to a bank system module, a medical system module and an internet bank system module in an evidence assisting module, verifying and decrypting the encrypted key information data through key verification modules respectively, retrieving bank transaction records related to the key information in the bank system module through information retrieval modules respectively, retrieving medical records related to the key information in the medical system module, retrieving network consumption records and network credit records related to the key information in the internet bank system module, and retrieving the retrieved bank transaction records through a data sorting module respectively, Medical records, network consumption records and network credit records are recorded and sorted, and serve as evidences to upload data, and meanwhile, the record storage module of each system module can also store and record the working process of the key verification module;
and S3, after the evidence and evidence are uploaded, performing admission authority verification on the uploaded data through an authority verification module, if the authority verification module does not have authority, not allowing the data to be uploaded to the block chain, if the authority exists, recording the uploaded data into the corresponding block chain according to an admission time sequence through an information entry module, and forming an evidence chain by the related uploaded data according to the time sequence, so that evidence obtaining and evidence storing can be completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an electron system of collecting evidence and depositing evidence based on block chain technique, includes the module of collecting evidence, assists with evidence module and deposits evidence module, its characterized in that:
the system comprises a forensics module, a key information extraction module and a key generation module, wherein the forensics module comprises a hardware reading module, a scanning identification module, a key information extraction module and a key generation module, the hardware reading module is used for extracting personal information data in a hard disk, a computer, a mobile phone and a camera, the scanning identification module is used for scanning and identifying photos and files, the key information extraction module is used for further extracting the key information data from the personal information data read by the hardware reading module, and the key generation module is used for carrying out encryption processing on the key information data;
the system comprises a certification module, a system management module and a system management module, wherein the certification module comprises a bank system module, a medical system module and an internet bank system module, the medical system module and the internet bank system module respectively comprise a key verification module, an information retrieval module and a data sorting module, the key verification module is used for verifying and decrypting key information data after encryption processing, the information retrieval module is used for retrieving related data in the system module according to the key information data, and the data sorting module is used for recording and sorting the related data retrieved by the information retrieval module;
the evidence storage module comprises an authority auditing module, an information input module and a plurality of block chains, wherein the authority auditing module is used for performing admission authority auditing on uploaded data, the information input module is used for recording the uploaded data into the corresponding block chains according to an input time sequence, and the block chains are used for forming evidence chains from the related uploaded data according to the time sequence.
2. The system according to claim 1, wherein the system comprises: the evidence obtaining module further comprises a video recording module, and the video recording module can be used for shooting and recording the working processes of the hardware reading module and the scanning identification module.
3. The system according to claim 1, wherein the system comprises: the bank system module, the medical system module and the network bank system module also comprise a record storage module, and the record storage module can be used for storing and recording the working process of the key verification module.
4. The system according to claim 1, wherein the system comprises: the evidence storage module further comprises a query module, and the query module can be used for querying data in each block chain.
5. The system according to claim 1, wherein the system comprises: the personal information data comprises a system working log, mail information, storage data, identity information and named account information thereof, wherein the identity information and the named account information thereof also belong to key information data.
6. The system according to claim 1, wherein the system comprises: and each block chain corresponds to one identity information generation evidence chain.
7. The system according to claim 1, wherein the system comprises: the implementation method of the electronic evidence obtaining and storing system comprises the following steps:
s1, during evidence collection, firstly, extracting personal information data such as system working logs, mail information, stored data, identity information and named account information in a hard disk, a computer, a mobile phone and a camera through a hardware reading module, uploading the data as evidence, then scanning and identifying written information such as photos and files through a scanning identification module, uploading the data as the evidence, simultaneously shooting and recording the working processes of the hardware reading module and the scanning identification module through a video recording module, and uploading the data as the evidence;
s2, extracting key information such as identity information and named account information from personal information data through a key information extraction module during evidence obtaining, conveniently retrieving related information, encrypting the key information data through a key generation module, synchronously transmitting the data to a bank system module, a medical system module and an internet bank system module in an evidence assisting module, verifying and decrypting the encrypted key information data through key verification modules respectively, retrieving bank transaction records related to the key information in the bank system module through information retrieval modules respectively, retrieving medical records related to the key information in the medical system module, retrieving network consumption records and network credit records related to the key information in the internet bank system module, and retrieving the retrieved bank transaction records through a data sorting module respectively, Medical records, network consumption records and network credit records are recorded and sorted, and serve as evidences to upload data, and meanwhile, the record storage module of each system module can also store and record the working process of the key verification module;
and S3, after the evidence and evidence are uploaded, performing admission authority verification on the uploaded data through an authority verification module, if the authority verification module does not have authority, not allowing the data to be uploaded to the block chain, if the authority exists, recording the uploaded data into the corresponding block chain according to an admission time sequence through an information entry module, and forming an evidence chain by the related uploaded data according to the time sequence, so that evidence obtaining and evidence storing can be completed.
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