CN108111546A - A kind of document transmission method and system - Google Patents
A kind of document transmission method and system Download PDFInfo
- Publication number
- CN108111546A CN108111546A CN201810173808.8A CN201810173808A CN108111546A CN 108111546 A CN108111546 A CN 108111546A CN 201810173808 A CN201810173808 A CN 201810173808A CN 108111546 A CN108111546 A CN 108111546A
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- CN
- China
- Prior art keywords
- file
- client
- encrypted
- transmitted
- contact person
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/16—Implementing security features at a particular protocol layer
- H04L63/166—Implementing security features at a particular protocol layer at the transport layer
Abstract
The present invention provides a kind of document transmission method and systems, the present invention passes through the safe encryption mechanism of Ftp server, ensure security of the data in network transmission process, mobile phone terminal can send order to server and come, be downloaded file after purview certification, upload file.In addition, based on TCP TLS encrypted transmission files, reliability is high, it is safe, can breakpoint transmission, use encrypted transmission authentication information and data sliced transmission and self-defined transmitting message agreement, self-defined enciphering and deciphering algorithm data message, file transmission is fragmented storage, and document storage mode distributed file system HDFS, Ftp server transmit file to user to be established authentication mechanism, realize secure storage and prevent file theft.
Description
Technical field
The present invention relates to a kind of document transmission method and systems.
Background technology
The effect of FTP remote file transferring agreements is that file is moved on to another computer from a computer.It is the most frequently used
Be transmitted in both directions using FTP, i.e., data are transmitted between remote system and local.User can will be on remote computer
On host where file download to user, the terminal of user is then copied in the terminating machine of user or is directly downloaded to again
In machine, the file in the file of host where user or user terminal can also be transferred on remote computer.
It needs to establish ftp server using FTP transmission files.Use the FTP of registered user, it is also necessary to manage user and mouth
Order.General host all provides the client of FTP, it is possible to use dedicated ftp client uses integrated ftp software.According to
The People's Bank's software constraint forbids transferring data using anonymity ftp.
The major defect for carrying out file transmission using FTP modes has：
Security, the integrality of data transmission can not be guaranteed；
Autgmentability is poor.
The content of the invention
It is an object of the invention to provide a kind of document transmission method and system, the peace of existing data transmission can be solved
The problem of Quan Xing, integrality can not be guaranteed.
To solve the above problems, the present invention provides a kind of document transmission method, including：
User sends client, the account number of log file transmission server by file；
It is described login successfully after, user sends client in the file and selects file to be transmitted；
User sends client in file, and selection is in the contact person of Ftp server registration account number；
The file sends client file and judges whether current network is normal,
If abnormal, the file sends information of the client to user feedback file bust this；
If normal, after the file to be transmitted and contact person are encrypted the file transmission client, file is sent to
Transmission server；
The encrypted file to be transmitted and contact person are sent to file reception client by the Ftp server
End；
The file reception client by key to the encrypted file to be transmitted and contact person after, for user
It checks.
Further, in the above-mentioned methods, if normally, the file sends client by the file to be transmitted and connection
It is after people is encrypted, to be sent to Ftp server, including：
It is file fragment that the file, which sends client by the file to be transmitted and contact person's cutting,；
After the file fragment is encrypted, Ftp server is sent to；
The encrypted file to be transmitted and contact person are sent to file reception client by the Ftp server
End, including：
The encrypted file fragment is sent to file reception client by the Ftp server；
The file reception client is decrypted the encrypted file to be transmitted and contact person by key
Afterwards, checked for user, including：
After the file reception client is decrypted the encrypted file fragment by key, by the file after decryption
Segment reverts to the complete file to be transmitted and contact person, so that user checks.
Further, in the above-mentioned methods, if normally, the file sends client by the file to be transmitted and connection
It is after people is encrypted, to be sent to Ftp server, including：
After the file to be transmitted and contact person are encrypted the file transmission client, by being based on TCPTLS encryptions
Asymmetric encryption passage be sent to Ftp server.
Further, in the above-mentioned methods, the Ftp server by the encrypted file to be transmitted and
Contact person is sent to file reception client, including,
The Ftp server is encrypted by being based on TCPTLS by the encrypted file to be transmitted and contact person
Asymmetric encryption passage is sent to file reception client.
Further, in the above-mentioned methods, if normally, the file sends client by the file to be transmitted and connection
It is after people is encrypted, to be sent to after Ftp server, further includes：
The Ftp server stores the file and contact person received by distributed file system HDFS.
Another side according to the present invention provides a kind of document transmission system, including：
File sends client, for sending client, the account number of log file transmission server by file for user；It is described
After logining successfully, client is sent in the file for user and select file to be transmitted；Client is sent in file for user,
Selection is in the contact person of Ftp server registration account number；And judge whether current network is normal, and if abnormal, institute
It states file and sends information of the client to user feedback file bust this；If normal, the file sends client by described in
After file to be transmitted and contact person are encrypted, Ftp server is sent to；
Ftp server, for by the encrypted file to be transmitted and contact person, being sent to file reception client
End；
File reception client, after passing through key to the encrypted file to be transmitted and contact person, for
Family is checked.
Further, in above system, the file sends client, for by the file to be transmitted and contact
People's cutting is file fragment；After the file fragment is encrypted, Ftp server is sent to；
The Ftp server, for by the encrypted file fragment, being sent to file reception client；
The file reception client, for passing through after the encrypted file fragment is decrypted in key, after decryption
File fragment revert to the complete file to be transmitted and contact person, so that user checks.
Further, in above system, the file sends client, for by the file to be transmitted and contact
After people is encrypted, Ftp server is sent to by being based on the encrypted asymmetric encryption passages of TCPTLS.
Further, in above system, the Ftp server, for by the encrypted text to be transmitted
Part and contact person are sent to file reception client by being based on the encrypted asymmetric encryption passages of TCPTLS.
Further, in above system, the Ftp server, for passing through distributed file system HDFS,
The file and contact person received is stored.
Compared with prior art, the present invention ensures that data are passed in network by the safe encryption mechanism of Ftp server
Security during defeated, mobile phone terminal can send order to server and come, be downloaded file, upper published article after purview certification
Part.In addition, based on TCP TLS encrypted transmission files, reliability is high, safe, can breakpoint transmission, use encrypted transmission certification
Information and data sliced transmission and self-defined transmitting message agreement, self-defined enciphering and deciphering algorithm data message, file transmission are
Fragmented storage, document storage mode distributed file system HDFS, Ftp server transmit file to user establishes authentication
Mechanism realizes secure storage and prevents file theft.
Description of the drawings
Fig. 1 is the flow chart of the document transmission method of one embodiment of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in Figure 1, the present invention provides a kind of document transmission method, including：
Step S1, user send client, the account number of log file transmission server by file；
Step S2, it is described login successfully after, user sends client in the file and selects file to be transmitted；
Step S3, user send client in file, and selection is in the contact person of Ftp server registration account number；
Step S4, the file send client file and judge whether current network is normal,
Step S5, if abnormal, the file sends information of the client to user feedback file bust this；
Step S6, if normally, after the file to be transmitted and contact person are encrypted the file transmission client, sending
To Ftp server；
The encrypted file to be transmitted and contact person are sent to file and connect by step S7, the Ftp server
Receive client；
Step S8, the file reception client is by key to the encrypted file to be transmitted and contact person
Afterwards, checked for user.
Here, as shown in the table, encryption transmission system ensures that data exist by the safe encryption mechanism of Ftp server
Security in network transmission process.
| Operation | Object | Remarks | |
| 1 | It logs in | Encrypted transmission is logged in, encrypted transmission user need to be registered as | Encrypted transmission need to just can be used for the user of encrypted transmission, transmit file |
| 2 | It obtains | Obtain mobile phone Chinese part | Obtain the file of each file in mobile phone |
| 3 | It reads | Read the contacts list that encrypted transmission was registered in cell phone address book | Address list only shows the contact person of registered encrypted transmission in |
| 4 | Judge | Whether network is normal | Ensure the normal upload server of file |
| 5 | Encryption | File encryption is carried out by TLS | |
| 6 | Decryption | Recipient decrypts clip file by secret key and is locally being combined into complete file |
In one embodiment of document transmission method of the present invention, step S6, if normally, the file sends client will be described to be passed
After defeated file and contact person is encrypted, Ftp server is sent to, including：
It is file fragment that the file, which sends client by the file to be transmitted and contact person's cutting,；
After the file fragment is encrypted, Ftp server is sent to；
The encrypted file to be transmitted and contact person are sent to file and connect by step S7, the Ftp server
Client is received, including：
The encrypted file fragment is sent to file reception client by the Ftp server；
Step S8, the file reception client by key to the encrypted file to be transmitted and contact person into
After row decryption, checked for user, including：
After the file reception client is decrypted the encrypted file fragment by key, by the file after decryption
Segment reverts to the complete file to be transmitted and contact person, so that user checks.
Here, it is file fragment to send client by the file to be transmitted and contact person's cutting by the file,
It can support breakpoint transmission, ensure that the client for receiving file receives the integrality of data.
In one embodiment of document transmission method of the present invention, step S6, if normally, the file sends client by described in
After file to be transmitted and contact person are encrypted, it is sent in Ftp server,
After the file to be transmitted and contact person are encrypted the file transmission client, by being based on TCPTLS encryptions
Asymmetric encryption passage be sent to Ftp server.
Here, the client of transmission file is first created with server-side based on the encrypted asymmetric encryption passages of TCP TLS, pass
The pieces that defeated file fragmentation section could be decrypted with only having server-side secret key are transmitted to server-side, ensure that file is being transmitted across
Security in journey.
In one embodiment of document transmission method of the present invention, step S7, the Ftp server is by encrypted institute
File to be transmitted and contact person are stated, is sent in file reception client,
The Ftp server is encrypted by being based on TCPTLS by the encrypted file to be transmitted and contact person
Asymmetric encryption passage is sent to file reception client.
Here, the client for receiving file asks server-side to download file after the message informing of server-side is received.Equally
File is transmitted to client by encrypted tunnel with pieces.Segment could be decrypted and in client by having the secret key of client only
Complete file is locally combined into, ensures security of the file in transmission process.
In one embodiment of document transmission method of the present invention, step S6, if normally, the file sends client by described in
It after file to be transmitted and contact person are encrypted, is sent to after Ftp server, further includes：
The Ftp server stores the file and contact person received by distributed file system HDFS.
Here, since HDFS is that numerous servers realize distribution storage together, each data file has 2 redundancies standby
Part, that is, each data file will be stored 3 times, if failure has occurred in some server of deposit data, then we
Also 2 Backup Datas so HDFS has high fault tolerance, allow machine to break down.
In addition, HDFS is the Access Model of " write-once is repeatedly read and write ", except end of file is additional or direct stage
File, HDFS is not allow to change file, which simplifies the problem of data consistency, and realizes high throughput data and visits
It asks.
It is exactly to be performed again after program is performed near data than the position where data to be transferred to program in brief
Efficiency is high, substantially reduces system IO, " mobile computing is cheaper than mobile data ".
HDFS can realize the transplanting between different platform.
In conclusion the present invention is based on TCP TLS encrypted transmission files, reliability is high, safe, can breakpoint transmission,
Use encrypted transmission authentication information and data sliced transmission and self-defined transmitting message agreement, self-defined enciphering and deciphering algorithm number
According to message, file transmission is fragmented storage, and document storage mode distributed file system HDFS, server system transmit user
File establishes authentication mechanism, realizes secure storage and prevents file theft.Mobile phone terminal can be sent out to server after purview certification
Go out order to come, be downloaded file, upload file.
Another side according to the present invention provides a kind of document transmission system, including：
File sends client, for sending client, the account number of log file transmission server by file for user；It is described
After logining successfully, client is sent in the file for user and select file to be transmitted；Client is sent in file for user,
Selection is in the contact person of Ftp server registration account number；And judge whether current network is normal, and if abnormal, institute
It states file and sends information of the client to user feedback file bust this；If normal, the file sends client by described in
After file to be transmitted and contact person are encrypted, Ftp server is sent to；
Ftp server, for by the encrypted file to be transmitted and contact person, being sent to file reception client
End；
File reception client, after passing through key to the encrypted file to be transmitted and contact person, for
Family is checked.
In one embodiment of document transmission system of the present invention, the file sends client, for will be described to be transmitted
File and contact person's cutting are file fragment；After the file fragment is encrypted, Ftp server is sent to；
The Ftp server, for by the encrypted file fragment, being sent to file reception client；
The file reception client, for passing through after the encrypted file fragment is decrypted in key, after decryption
File fragment revert to the complete file to be transmitted and contact person, so that user checks.
In one embodiment of document transmission system of the present invention, the file sends client, for will be described to be transmitted
After file and contact person are encrypted, file transfer services are sent to by being based on the encrypted asymmetric encryption passages of TCPTLS
Device.
The present invention one embodiment of document transmission system in, the Ftp server, for will it is encrypted described in
File to be transmitted and contact person are sent to file reception client by being based on the encrypted asymmetric encryption passages of TCPTLS.
In one embodiment of document transmission system of the present invention, the Ftp server, for passing through distributed document
System HDFS stores the file and contact person received.
The detailed content of above-mentioned each system embodiment for details, reference can be made to the corresponding part of each method embodiment, here, no longer
It repeats.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Professional further appreciates that, with reference to each exemplary unit of the embodiments described herein description
And algorithm steps, can be realized with the combination of electronic hardware, computer software or the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is performed actually with hardware or software mode, specific application and design constraint depending on technical solution.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
Obviously, those skilled in the art can carry out invention spirit of the various modification and variations without departing from the present invention
And scope.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to including these modification and variations.
Claims (10)
1. a kind of document transmission method, which is characterized in that including：
Client, the account number of log file transmission server are sent by file；
It is described login successfully after, send client in the file and select file to be transmitted；
Client is sent in file, selection is in the contact person of Ftp server registration account number；
The file sends client file and judges whether current network is normal,
If abnormal, the file sends client with the information of feedback file bust this；
If normal, after the file to be transmitted and contact person are encrypted the file transmission client, file is sent to
Transmission server；
The encrypted file to be transmitted and contact person are sent to file reception client by the Ftp server
End；
The file reception client by key to the encrypted file to be transmitted and contact person after, for looking into
It sees.
2. document transmission method as described in claim 1, which is characterized in that if normal, the file sends client by institute
It states file to be transmitted and after contact person is encrypted, is sent to Ftp server, including：
It is file fragment that the file, which sends client by the file to be transmitted and contact person's cutting,；
After the file fragment is encrypted, Ftp server is sent to；
The encrypted file to be transmitted and contact person are sent to file reception client by the Ftp server
End, including：
The encrypted file fragment is sent to file reception client by the Ftp server；
The file reception client is decrypted the encrypted file to be transmitted and contact person by key
Afterwards, for checking, including：
After the file reception client is decrypted the encrypted file fragment by key, by the file after decryption
Segment reverts to the complete file to be transmitted and contact person, for checking.
3. document transmission method as described in claim 1, which is characterized in that if normal, the file sends client by institute
It states file to be transmitted and after contact person is encrypted, is sent to Ftp server, including：
After the file to be transmitted and contact person are encrypted the file transmission client, by being based on TCPTLS encryptions
Asymmetric encryption passage be sent to Ftp server.
4. document transmission method as described in claim 1, which is characterized in that the Ftp server is by encrypted institute
File to be transmitted and contact person are stated, is sent to file reception client, including,
The Ftp server is encrypted by being based on TCPTLS by the encrypted file to be transmitted and contact person
Asymmetric encryption passage is sent to file reception client.
5. such as Claims 1-4 any one of them document transmission method, which is characterized in that if normal, the file sends visitor
After the file to be transmitted and contact person are encrypted at family end, it is sent to after Ftp server, further includes：
The Ftp server stores the file and contact person received by distributed file system HDFS.
6. a kind of document transmission system, which is characterized in that including：
File sends client, for sending client, the account number of log file transmission server by file；It is described log in into
After work(, send client in the file and select file to be transmitted；Client is sent in file, selection passes in the file
The contact person of defeated server registration account number；And judge whether current network normal, if abnormal, the file send client with
The information of feedback file bust this；If normal, the file send client by the file to be transmitted and contact person into
After row encryption, Ftp server is sent to；
Ftp server, for by the encrypted file to be transmitted and contact person, being sent to file reception client
End；
File reception client, after passing through key to the encrypted file to be transmitted and contact person, for looking into
It sees.
7. document transmission system as claimed in claim 6, which is characterized in that the file sends client, for by described in
File to be transmitted and contact person's cutting are file fragment；After the file fragment is encrypted, file transmission clothes are sent to
Business device；
The Ftp server, for by the encrypted file fragment, being sent to file reception client；
The file reception client, for passing through after the encrypted file fragment is decrypted in key, after decryption
File fragment revert to the complete file to be transmitted and contact person, for checking.
8. document transmission system as claimed in claim 6, which is characterized in that the file sends client, for by described in
After file to be transmitted and contact person are encrypted, file biography is sent to by being based on the encrypted asymmetric encryption passages of TCPTLS
Defeated server.
9. document transmission system as claimed in claim 6, which is characterized in that the Ftp server, for that will encrypt
The file to be transmitted afterwards and contact person are sent to file reception by being based on the encrypted asymmetric encryption passages of TCPTLS
Client.
10. such as claim 6 to 9 any one of them document transmission system, which is characterized in that the Ftp server,
For by distributed file system HDFS, being stored to the file and contact person received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173808.8A CN108111546A (en) | 2018-03-02 | 2018-03-02 | A kind of document transmission method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173808.8A CN108111546A (en) | 2018-03-02 | 2018-03-02 | A kind of document transmission method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108111546A true CN108111546A (en) | 2018-06-01 |
Family
ID=62205934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810173808.8A Pending CN108111546A (en) | 2018-03-02 | 2018-03-02 | A kind of document transmission method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108111546A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109934013A (en) * | 2019-03-21 | 2019-06-25 | 北京深思数盾科技股份有限公司 | A kind of data guard method and device |
| CN111858746A (en) * | 2020-05-27 | 2020-10-30 | 武汉瞬付科技有限公司 | Personal data storage system based on cloud platform |
| CN112637225A (en) * | 2020-12-28 | 2021-04-09 | 厦门市美亚柏科信息股份有限公司 | Data sending method, data receiving method, client and server |
| CN114915623A (en) * | 2022-07-11 | 2022-08-16 | 万商云集(成都)科技股份有限公司 | File synchronization method and system |
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| CN103152378A (en) * | 2012-12-25 | 2013-06-12 | 中国移动通信集团江西有限公司 | Network data transmission method and system and client |
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Application publication date: 20180601 |