CN104618097A - Data encryption sending method, data terminal and server - Google Patents
Data encryption sending method, data terminal and server Download PDFInfo
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- CN104618097A CN104618097A CN201510034717.2A CN201510034717A CN104618097A CN 104618097 A CN104618097 A CN 104618097A CN 201510034717 A CN201510034717 A CN 201510034717A CN 104618097 A CN104618097 A CN 104618097A
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Abstract
The invention belongs to the field of information safety and provides a data encryption sending method, a data terminal and a server. The method comprises generating an encryption key through a preset algorithm randomly and exchanging the encryption key according to the preset frequency, sending a data sending requirement including the encryption key to a receiving end through a server, and encrypting the data to be sent according to the encryption key and sending the data to the receiving end when the data sending requirement is received at the data receiving end. By the aid of the method, the data terminal and the server, the data obtaining difficulty by the outside is improved, and the data security is protected to the largest extent.
Description
Technical field
The present invention relates to information security field, particularly relate to method, data terminal and server that a kind of data encryption sends.
Background technology
The concept of information security experienced by very long historical stage in this century, has obtained in-depth since the nineties.Enter 21 century, along with the development of information technology, information security issue also shows outstanding day.How to guarantee that the safety of information system has become the problem of whole society's concern.In the world for the research starting comparatively morning of information security, investment is large, has achieved many achievements, and has been applied.China is existing a collection ofly specializes in information security basic research, the research institution of technological development and technological service work and high-tech enterprise, defines the blank of Chinese Information Security Industry.Information security specialty is the specialty extremely with development prospect.
But along with the development of technology, information security also runs into increasing challenge, particularly data when carrying out long-range transmission and receiving, and is easily adopted illegal means to obtain by the external world, causes larger loss.
Summary of the invention
A kind of method that the object of the present invention is to provide data encryption to send, is intended to solve current data and sends unsafe problem.
In order to solve the problem, the present invention is achieved in that and is applied to a kind of method that data encryption sends transmitting terminal, said method comprising the steps of:
According to preset algorithm stochastic generation encryption key, and sent the data sending request comprising described encryption key to receiving terminal by server;
If described receiving terminal accepts described data sending request, then according to described encryption key data to be sent be encrypted and send to described receiving terminal by described server;
Described encryption key is changed according to predeterminated frequency.
Further, the described step changing described encryption key according to predeterminated frequency is specially:
According to predeterminated frequency and described preset algorithm stochastic generation encryption key;
Sent the encryption key of described stochastic generation to described receiving terminal by described server;
According to the encryption key of described predeterminated frequency and described stochastic generation data to be sent be encrypted and send to described receiving terminal by described server.
Further, according to described encryption key data to be sent to be encrypted and after sent to the step of described receiving terminal by described server described, and described change the step of described encryption key according to predeterminated frequency before, further comprising the steps of:
Detect described receiving terminal and whether feed back deciphering receipt, described deciphering receipt is to described transmitting terminal feedack after described receiving terminal is successful to the data deciphering received by the encryption key of reception.
The present invention also aims to a kind of method that data encryption sends, be applied to server, said method comprising the steps of:
The data sending request comprising encryption key that receiving end/sending end sends;
The data sending request comprising described encryption key is sent to receiving terminal;
If described receiving terminal accepts described data sending request, then receive described transmitting terminal according to the data of described encryption keys and the data of described encryption are sent to described receiving terminal;
Receive and send the data of encryption key that described transmitting terminal changes according to predeterminated frequency and the encryption keys according to described replacing.
Further, described reception and send encryption key that described transmitting terminal changes according to predeterminated frequency and comprise the following steps according to the data of the encryption keys of described replacing:
Receiving described transmitting terminal according to the encryption key of predeterminated frequency stochastic generation sends to described receiving terminal;
Receive described transmitting terminal and send described receiving terminal according to the Data Concurrent of the encryption keys of described stochastic generation.
Another object of the present invention is to provide a kind of data terminal, described data terminal comprises:
Generation unit, for according to preset algorithm stochastic generation encryption key;
First transmitting element, for sending to the data terminal as receiving terminal the data sending request comprising described encryption key by server;
Ciphering unit, for when the described data terminal as receiving terminal accepts described data sending request, to be encrypted data to be sent according to described encryption key and to send to the described data terminal as receiving terminal by described first transmitting element;
Change unit, for changing described encryption key according to predeterminated frequency.
Further, described replacing unit comprises:
First sub-control unit, for controlling described generation unit according to predeterminated frequency and described preset algorithm stochastic generation encryption key;
Second sub-control unit, to send the encryption key of described stochastic generation to the described data terminal as receiving terminal by described server for controlling transmitting element;
3rd control unit, to be encrypted data to be sent for controlling the encryption key of ciphering unit according to described predeterminated frequency and described stochastic generation and to send to described receiving terminal by described transmitting element.
Further, described data terminal also comprises:
Whether detecting unit, feed back deciphering receipt for detecting described receiving terminal, and described deciphering receipt is to described transmitting terminal feedack after described receiving terminal is successful to the data deciphering received by the encryption key of reception.
Another object of the present invention is also to provide a kind of server, and described server comprises:
Receiving element, the data sending request comprising encryption key that the data terminal for receiving as transmitting terminal sends;
Second transmitting element, for sending to the data terminal as receiving terminal the data sending request comprising described encryption key;
First control unit, for when described receiving terminal accepts described data sending request, control described receiving element and receive the described data terminal as transmitting terminal according to the data of described encryption keys, and control described second transmitting element the data of described encryption are sent to the described data terminal as receiving terminal;
Second control unit, receives for controlling described receiving element and described second transmitting element and sends the data of encryption key that the described data terminal as transmitting terminal changes according to predeterminated frequency and the encryption keys according to described replacing respectively.
Further, described second control unit specifically for:
Control described receiving element and receive the described data terminal as transmitting terminal according to the encryption key of predeterminated frequency stochastic generation, and control described second transmitting element and send it to described receiving terminal; And
Control described receiving element and receive the described data terminal as transmitting terminal according to the data of the encryption keys of described stochastic generation, and control described second transmitting element and send it to described receiving terminal.
In embodiments of the present invention; described encryption key is changed according to predeterminated frequency by preset algorithm stochastic generation encryption key; sent the data sending request comprising described encryption key to receiving terminal by server; then when data receiver accepts described data sending request; according to described encryption key data to be sent be encrypted and send to described receiving terminal by described server; the difficulty that such raising enciphered data is obtained by the external world, the safety of maximum protected data.
Accompanying drawing explanation
Fig. 1 is the flow chart being applied to the data encryption sending method of transmitting terminal that the embodiment of the present invention provides;
Fig. 2 is the flow chart of the method for the data encryption that first embodiment of the invention provides;
Fig. 3 is the flow chart of the method for the data encryption that second embodiment of the invention provides
Fig. 4 is the flow chart being applied to the method for the data encryption of server that the embodiment of the present invention provides;
Fig. 5 is the flow chart of the method for the data encryption that third embodiment of the invention provides;
Fig. 6 is the frame construction drawing of the data terminal that the embodiment of the present invention provides;
Fig. 7 is the frame construction drawing of the server that the embodiment of the present invention provides.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The data encryption sending method that Fig. 1 shows the embodiment of the present invention to be provided is applied to the flow process of transmitting terminal, and for convenience of explanation, only list the part relevant to the embodiment of the present invention, details are as follows:
The method that the data encryption of what the embodiment of the present invention provided be applied to transmitting terminal sends, comprises the following steps:
Step S10, according to preset algorithm stochastic generation encryption key.In the present embodiment; in order to strengthen the protection intensity to data; according to the secret key of preset algorithm stochastic generation for encrypting; because data are stochastic generation; like this others also difficulty crack; even if others has got preset algorithm, because the secret key generated is all different at every turn, others has also been difficult to the data cracking encryption.
Step S20, sends the data sending request comprising this encryption key to receiving terminal by server.In the present embodiment, data are sent to receiving terminal from transmitting terminal and carry out transfer by server, first sending data sending request, comprising the encryption key for being decrypted enciphered data in this data sending request before data sending.
Step S30, when this receiving terminal accepts this data sending request, to be encrypted data to be sent according to this encryption key and to send to this receiving terminal by this server.In the present embodiment, when data receiver have received this data sending request, data receiver is sent to by server after current data to be sent being encrypted according to this encryption key, complete the transmission of an enciphered data like this, give data receiver owing to having been sent by encryption key when sending data sending request, data receiver then can according to the encryption key received to the decrypt data received.
Step S50, changes this encryption key according to predeterminated frequency.In the present embodiment, in order to make data safer, change the key being used for being encrypted these data according to predeterminated frequency and this preset algorithm when sending data.
Fig. 2 shows the flow process of the data encryption sending method that first preferred embodiment of the invention provides, and for convenience of explanation, only list the part relevant to the embodiment of the present invention, details are as follows:
As first preferred embodiment of the invention, step S50 comprises the following steps:
Step S501, according to predeterminated frequency and this preset algorithm stochastic generation encryption key;
Step S502, sends the encryption key of this stochastic generation to this receiving terminal by this server;
Step S503, to be encrypted data to be sent according to the encryption key of this predeterminated frequency and this stochastic generation and to send to this receiving terminal by this server.
The step that the embodiment of the present invention is mainly used in changing this encryption key according to predeterminated frequency is described.
Fig. 3 shows the flow process of the data encryption sending method that second preferred embodiment of the invention provides, and for convenience of explanation, only list the part relevant to the embodiment of the present invention, details are as follows:
As second preferred embodiment of the invention, after step S30, and before step S50, further comprising the steps of:
Step S40, detects this receiving terminal and whether feeds back deciphering receipt, and this deciphering receipt is to this transmitting terminal feedack after this receiving terminal is successful to the data deciphering received by the encryption key of reception.
Second preferred embodiment of the invention is used for enabling data sending terminal know data in time and sends situation, judge the decrypt data that data receiver also will not receive, if do not feed back deciphering receipt in Preset Time, then can think loss of data, then re-start encryption and send once.
Fig. 4 shows the flow process being applied to the data encryption sending method of server that the embodiment of the present invention provides, and for convenience of explanation, only list the part relevant to the embodiment of the present invention, details are as follows:
The method that the data encryption of what the embodiment of the present invention provided be applied to server sends, comprises the following steps:
Step S60, the data sending request comprising encryption key that receiving end/sending end sends.In the present embodiment, data receiver is before reception data, and the data sending request needing reception data sending terminal to send, comprises the secret key be encrypted data follow-up transmitting terminal in this data sending request.
Step S70, sends the data sending request comprising this encryption key to receiving terminal.After have received at server the data sending request comprising encryption key, the data sending request this being comprised encryption key sends to receiving terminal.
Step S80, if this receiving terminal accepts this data sending request, then receives this transmitting terminal and sends to this receiving terminal according to the data of this encryption keys and by the data of this encryption.In the present embodiment, after have received at data receiver the data sending request comprising encryption key, send to data receiver by what receive according to the data of this encryption keys.
Step S90, receives and sends the data of encryption key that this transmitting terminal changes according to predeterminated frequency and the encryption keys according to this replacing.In the present embodiment, in order to the safety of better protected data, need to change according to the predeterminated frequency cycle key encrypted.
As shown in Figure 5, as third preferred embodiment of the invention, step S90 comprises the following steps:
Step S901, receives this transmitting terminal according to the encryption key of predeterminated frequency stochastic generation and sends to this receiving terminal;
Step S902, receives this transmitting terminal and gives this receiving terminal according to the Data Concurrent of the encryption keys of this stochastic generation.
The embodiment of the present invention is for illustration of the flow process changing encryption key data transmission in step S90 according to predeterminated frequency, and its operation principle is corresponding with the first preferred embodiment, just repeats no more here.
Fig. 6 shows the frame structure of the data terminal that the embodiment of the present invention provides, and for convenience of explanation, only list the part relevant to the embodiment of the present invention, details are as follows:
The data terminal 1 that the embodiment of the present invention provides, this data terminal comprises generation unit 100, first transmitting element 200, ciphering unit 300, detecting unit 400 and changes unit 500;
In the present embodiment, generation unit 100 is for according to preset algorithm stochastic generation encryption key; First transmitting element 200 is for sending to the data terminal as receiving terminal the data sending request comprising this encryption key by server; Ciphering unit 300, for when this data terminal as receiving terminal accepts this data sending request, to be encrypted data to be sent according to this encryption key and to send to this as the data terminal of receiving terminal by this first transmitting element; Whether detecting unit 400 feeds back deciphering receipt for detecting this receiving terminal, and this deciphering receipt is to this transmitting terminal feedack after this receiving terminal is successful to the data deciphering received by the encryption key of reception; Change unit 500 for changing this encryption key according to predeterminated frequency.
As one embodiment of the invention, change unit 500 and comprise the first sub-control unit 501, second sub-control unit 502 and the 3rd control unit 503;
In the present embodiment, the first sub-control unit 501 is for controlling this generation unit according to predeterminated frequency and this preset algorithm stochastic generation encryption key; Second sub-control unit 502 to send the encryption key of this stochastic generation to this data terminal as receiving terminal by this server for controlling transmitting element; 3rd control unit 503 to be encrypted data to be sent for controlling the encryption key of ciphering unit according to this predeterminated frequency and this stochastic generation and to send to this receiving terminal by this transmitting element.
The data terminal that the embodiment of the present invention provides is the terminal can carrying out data transmission, it can be mobile terminal, also can be the terminal equipments such as computer, its operation principle is corresponding with the embodiment of the method that data encryption in above-described embodiment sends, its operation principle and mode are all corresponding to be suitable for, and just repeats no more here.
Fig. 7 shows the frame structure of the server that the embodiment of the present invention provides, and for convenience of explanation, only list the part relevant to the embodiment of the present invention, details are as follows:
The server 2 that the embodiment of the present invention provides, comprises receiving element 600, second transmitting element 700, first control unit 800 and the second control unit 900;
In the present embodiment, the data sending request comprising encryption key that sends for the data terminal received as transmitting terminal of receiving element 600; Second transmitting element 700 is for sending to the data terminal as receiving terminal the data sending request comprising this encryption key; First control unit 800 is for when this receiving terminal accepts this data sending request, control this receiving element and receive this data terminal as transmitting terminal according to the data of this encryption keys, and control this second transmitting element and send to this as the data terminal of receiving terminal the data of this encryption; Second control unit 900 receives for controlling this receiving element and this second transmitting element and sends the data of encryption key that this data terminal as transmitting terminal changes according to predeterminated frequency and the encryption keys according to this replacing respectively.
As one embodiment of the invention, the second control unit 900 specifically for: control this receiving element and receive this data terminal as transmitting terminal according to the encryption key of predeterminated frequency stochastic generation, and control this second transmitting element and send it to this receiving terminal; And control this receiving element and receive this data terminal as transmitting terminal according to the data of the encryption keys of this stochastic generation, and control this second transmitting element and send it to this receiving terminal.
The embodiment of the server that the embodiment of the present invention provides is corresponding with the embodiment of the data encryption sending method being applied to server in above-described embodiment, and its operation principle and mode are all corresponding to be suitable for, and just repeats no more here.
In embodiments of the present invention; described encryption key is changed according to predeterminated frequency by preset algorithm stochastic generation encryption key; sent the data sending request comprising described encryption key to receiving terminal by server; then when data receiver accepts described data sending request; according to described encryption key data to be sent be encrypted and send to described receiving terminal by described server; the difficulty that such raising enciphered data is obtained by the external world, the safety of maximum protected data.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can control to be correlated with by program completes, described program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
Above with reference to the accompanying drawings of the preferred embodiments of the present invention, not thereby limit to interest field of the present invention.Those skilled in the art do not depart from the scope and spirit of the present invention, and multiple flexible program can be had to realize the present invention, and the feature such as an embodiment can be used for another embodiment and obtains another embodiment.All use do within technical conceive of the present invention any amendment, equivalently replace and improve, all should within interest field of the present invention.
Claims (10)
1. a method for data encryption transmission, is applied to transmitting terminal, it is characterized in that, said method comprising the steps of:
According to preset algorithm stochastic generation encryption key, and sent the data sending request comprising described encryption key to receiving terminal by server;
If described receiving terminal accepts described data sending request, then according to described encryption key data to be sent be encrypted and send to described receiving terminal by described server;
Described encryption key is changed according to predeterminated frequency.
2. method according to claim 1, is characterized in that, the described step changing described encryption key according to predeterminated frequency is specially:
According to predeterminated frequency and described preset algorithm stochastic generation encryption key;
Sent the encryption key of described stochastic generation to described receiving terminal by described server;
According to the encryption key of described predeterminated frequency and described stochastic generation data to be sent be encrypted and send to described receiving terminal by described server.
3. method according to claim 1, it is characterized in that, according to described encryption key data to be sent to be encrypted and after sent to the step of described receiving terminal by described server described, and described change the step of described encryption key according to predeterminated frequency before, further comprising the steps of:
Detect described receiving terminal and whether feed back deciphering receipt, described deciphering receipt is to described transmitting terminal feedack after described receiving terminal is successful to the data deciphering received by the encryption key of reception.
4. a method for data encryption transmission, is applied to server, it is characterized in that, said method comprising the steps of:
The data sending request comprising encryption key that receiving end/sending end sends;
The data sending request comprising described encryption key is sent to receiving terminal;
If described receiving terminal accepts described data sending request, then receive described transmitting terminal according to the data of described encryption keys and the data of described encryption are sent to described receiving terminal;
Receive and send the data of encryption key that described transmitting terminal changes according to predeterminated frequency and the encryption keys according to described replacing.
5. method according to claim 4, is characterized in that, described reception and send encryption key that described transmitting terminal changes according to predeterminated frequency and comprise the following steps according to the data of the encryption keys of described replacing:
Receiving described transmitting terminal according to the encryption key of predeterminated frequency stochastic generation sends to described receiving terminal;
Receive described transmitting terminal and send described receiving terminal according to the Data Concurrent of the encryption keys of described stochastic generation.
6. a data terminal, is characterized in that, described data terminal comprises:
Generation unit, for according to preset algorithm stochastic generation encryption key;
First transmitting element, for sending to the data terminal as receiving terminal the data sending request comprising described encryption key by server;
Ciphering unit, for when the described data terminal as receiving terminal accepts described data sending request, to be encrypted data to be sent according to described encryption key and to send to the described data terminal as receiving terminal by described first transmitting element;
Change unit, for changing described encryption key according to predeterminated frequency.
7. data terminal according to claim 6, is characterized in that, described replacing unit comprises:
First sub-control unit, for controlling described generation unit according to predeterminated frequency and described preset algorithm stochastic generation encryption key;
Second sub-control unit, to send the encryption key of described stochastic generation to the described data terminal as receiving terminal by described server for controlling transmitting element;
3rd control unit, to be encrypted data to be sent for controlling the encryption key of ciphering unit according to described predeterminated frequency and described stochastic generation and to send to described receiving terminal by described transmitting element.
8. data terminal according to claim 6, is characterized in that, described data terminal also comprises:
Whether detecting unit, feed back deciphering receipt for detecting described receiving terminal, and described deciphering receipt is to described transmitting terminal feedack after described receiving terminal is successful to the data deciphering received by the encryption key of reception.
9. a server, is characterized in that, described server comprises:
Receiving element, the data sending request comprising encryption key that the data terminal for receiving as transmitting terminal sends;
Second transmitting element, for sending to the data terminal as receiving terminal the data sending request comprising described encryption key;
First control unit, for when described receiving terminal accepts described data sending request, control described receiving element and receive the described data terminal as transmitting terminal according to the data of described encryption keys, and control described second transmitting element the data of described encryption are sent to the described data terminal as receiving terminal;
Second control unit, receives for controlling described receiving element and described second transmitting element and sends the data of encryption key that the described data terminal as transmitting terminal changes according to predeterminated frequency and the encryption keys according to described replacing respectively.
10. server according to claim 9, is characterized in that, described second control unit specifically for:
Control described receiving element and receive the described data terminal as transmitting terminal according to the encryption key of predeterminated frequency stochastic generation, and control described second transmitting element and send it to described receiving terminal; And
Control described receiving element and receive the described data terminal as transmitting terminal according to the data of the encryption keys of described stochastic generation, and control described second transmitting element and send it to described receiving terminal.
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| CN201510034717.2A CN104618097A (en) | 2015-01-24 | 2015-01-24 | Data encryption sending method, data terminal and server |
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| CN201510034717.2A CN104618097A (en) | 2015-01-24 | 2015-01-24 | Data encryption sending method, data terminal and server |
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Application publication date: 20150513 |