CN102882831A - Method for controlling terminal to enter secret communication, secret communication method and terminal - Google Patents
Method for controlling terminal to enter secret communication, secret communication method and terminal Download PDFInfo
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- CN102882831A CN102882831A CN2011101931191A CN201110193119A CN102882831A CN 102882831 A CN102882831 A CN 102882831A CN 2011101931191 A CN2011101931191 A CN 2011101931191A CN 201110193119 A CN201110193119 A CN 201110193119A CN 102882831 A CN102882831 A CN 102882831A
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Abstract
The invention provides a method for controlling a terminal to enter a secret communication, a secret communication method and a terminal for secret communication. The terminal judges whether a handshake terminating mark is received, if so, the terminal enters the secret communication. The terminal judges whether the handshake terminating mark is received to control the time when the terminal enters the secret communication, so that the secret communication parties can achieve the synchronization and the secret communication can be implemented.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of terminal enters the control method, secret communication method of close conversation and is used for the terminal of secure communication.
Background technology
Develop rapidly along with modern communication technology, the means of the threat communications network security such as network hacker, network interception instrument also continue to bring out thereupon, if the data in the communication network by improper means intercepting and in addition illegal utilization, will be caused immeasurable loss by the third party.Therefore, how to realize the secure communication of communication network, become the research topic of a current hot topic.
At present, for realizing the secure communication of communication network, the way that industry is general is to encryption of communicated data, carry out secure communication, even thereby the third party passes through improper means intercept communication data, but because this communication data is encrypted, the third party also can't obtain the particular content of these coded communication data easily, thus, improved the communication security of communication network.
In the existing secure communication, the secure communication both sides need to finish the transfer of data of secure communication both sides and key server before entering close conversation, key server with the key distribution of secure communication to the secure communication both sides.
Please refer to Fig. 1, it is the schematic diagram of existing key distribution.As shown in Figure 1, key server is not communicated with between the communicating pair first terminal of secure communication and the second terminal when carrying out key distribution.After key server is finished key distribution, be communicated with between first terminal and the second terminal, to carry out close conversation.Please refer to Fig. 2, it is the existing schematic diagram that carries out close conversation.As shown in Figure 2, after key server is finished key distribution, namely disconnect with key server, simultaneously, communicating pair is communicated with by core net, so that first terminal and the second terminal can be carried out close conversation.
In the existing secure communication, key server has been finished after the key distribution, and communicating pair is communicated with by core net, just can carry out close conversation.But, because key server is finished key distribution, the situation that communicating pair has been communicated with by core net, the secure communication both sides are unknowable, the secure communication both sides can not determine on opportunity of entering close conversation thus, a terminal often occurs and enter already close talking state, and another terminal does not also enter the situation of close talking state, can not be synchronous thereby produce the secure communication both sides, the situation that close conversation can't be finished.
Summary of the invention
The control method, the secret communication method that the object of the present invention is to provide a kind of terminal to enter close conversation reach the terminal that is used for secure communication, and to solve in the existing secure communication, the secure communication both sides enter the unascertainable problem on opportunity of close conversation.
For solving the problems of the technologies described above, the invention provides the control method that a kind of terminal enters close conversation, wherein, terminal is carried out following steps: whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state.
Optionally, enter in the control method of close conversation in described terminal, key server utilizes data link to send the described end sign of shaking hands to terminal.
Optionally, enter in the control method of close conversation in described terminal, described close conversation is the close conversation of video, before described terminal enters close talking state, finishes first the media negotiation of visual telephone.
The control method that the present invention also provides a kind of terminal to enter close conversation, wherein, terminal is carried out following steps: whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state; If not, whether described terminal judges receives the data stuffing frame, if then described terminal enters close talking state.
Optionally, enter in the control method of close conversation in described terminal, described terminal is the communicating pair that carries out secure communication, comprises first terminal and the second terminal, sends described data stuffing frame by described first terminal and/or the second terminal.
Optionally, enter in the control method of close conversation in described terminal, the quantity of described data stuffing frame is a frame or multiframe.
Optionally, enter in the control method of close conversation in described terminal, described close conversation is the close conversation of video, before described terminal enters close talking state, finishes first the media negotiation of visual telephone.
The control method that the present invention also provides a kind of terminal to enter close conversation, wherein, terminal is carried out following steps: whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state; If not, whether described terminal judges receives the data stuffing frame, if then described terminal enters close talking state; If not, whether described terminal judges receives the coded communication data, if then described terminal enters close talking state.
Optionally, enter in the control method of close conversation in described terminal, described terminal is the communicating pair that carries out secure communication, comprises first terminal and the second terminal, sends described coded communication data by described first terminal or the second terminal.
Optionally, enter in the control method of close conversation in described terminal, the quantity of described coded communication data is multiframe.
Optionally, enter in the control method of close conversation in described terminal, described close conversation is the close conversation of video, before described terminal enters close talking state, finishes first the media negotiation of visual telephone.
The present invention also provides a kind of secret communication method, comprising: terminal sends the local key of described terminal to key server; Described terminal receives the secret communication key that described key server sends; Whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state; Described terminal receives the coded communication data, and according to described secret communication key, to the described coded communication data deciphering that enters after the close talking state.
Optionally, in described secret communication method, utilize data link to transmit described local key, secret communication key, end shake hands sign and coded communication data.
Optionally, in described secret communication method, described close conversation is the close conversation of video, before described terminal enters close talking state, finishes first the media negotiation of visual telephone.
The present invention also provides a kind of secret communication method, comprising: terminal sends the local key of described terminal to key server; Described terminal receives the secret communication key that described key server sends; Whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state; If not, whether described terminal judges receives the data stuffing frame, if then described terminal enters close talking state; Described terminal receives the coded communication data, and according to described secret communication key, to the described coded communication data deciphering that enters after the close talking state.
The present invention also provides a kind of secret communication method, comprising: terminal sends the local key of described terminal to key server; Described terminal receives the secret communication key that described key server sends; Whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state; If not, whether described terminal judges receives the data stuffing frame, if then described terminal enters close talking state; If not, whether described terminal judges receives the coded communication data, if then described terminal enters close talking state; Described terminal receives the coded communication data, and according to described secret communication key, to the described coded communication data deciphering that enters after the close talking state.
The present invention also provides a kind of terminal for secure communication, comprising: sending module is used for sending communication data; Receiver module is used for the received communication data; The first processing module finishes to shake hands sign in order to judge whether to receive, if then described terminal enters close talking state.
Optionally, in described terminal for secure communication, also comprise: the second processing module, in order to judge whether to receive the data stuffing frame, if then described terminal enters close talking state.
Optionally, in described terminal for secure communication, also comprise: the 3rd processing module, in order to judge whether to receive the coded communication data, if then described terminal enters close talking state.
The control method, the secret communication method that enter close conversation in terminal provided by the invention reach the terminal that is used for secure communication, terminal finishes to shake hands sign by judging whether to receive, thereby control the opportunity that described terminal enters close conversation, so that the secure communication both sides can reach synchronously, close conversation can be finished.
Further, do not finish to shake hands sign if described terminal receives, then judge whether to receive the data stuffing frame, enter the opportunity of close conversation by the described terminal of described data stuffing frame replenishment control, improved and controlled the reliability that described terminal enters close conversation.
Further, if both having received, described terminal do not finish to shake hands sign, do not receive the data stuffing frame yet, then judge whether to receive the coded communication data, control the opportunity that described terminal enters close conversation by described coded communication data filling, improved and controlled the reliability that described terminal enters close conversation.
Description of drawings
Fig. 1 is the schematic diagram of existing key distribution;
Fig. 2 is the existing schematic diagram that carries out close conversation;
Fig. 3 is the schematic flow sheet that the terminal of one embodiment of the invention enters the control method of close conversation;
Fig. 4 is the schematic flow sheet of the secret communication method of one embodiment of the invention;
Fig. 5 is the mount structure schematic diagram of the terminal that is used for secure communication of one embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments control method, the secret communication method that terminal provided by the invention enters close conversation reached the terminal that is used for secure communication and be described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying, only in order to convenient, the purpose of the aid illustration embodiment of the invention lucidly.
Embodiment
Please refer to Fig. 3, it enters the schematic flow sheet of the control method of close conversation for the terminal of one embodiment of the invention.As shown in Figure 3, terminal following steps:
Judge whether to receive and finish to shake hands sign, if then described terminal enters close talking state.
In the present embodiment, described terminal is the communicating pair that carries out secure communication, comprises first terminal and the second terminal, can finish to shake hands sign to described first terminal and the transmission of the second terminal simultaneously by key server.
Concrete, can utilize data link to send the described end sign of shaking hands to terminal by key server, when carrying out speech secure communication, described data link is the voice link of 12.2k; And when carrying out the video secure communication, described data link is the video link of 64k.In addition, when described secure communication both sides carried out the video secure communication, described first terminal and the second terminal were carried out the media negotiation of visual telephone before entering close talking state, and described media negotiation can comprise the compressed format of visual telephone, frame length etc.
Described end is shaken hands and is indicated and can comprise: frame head sign, frame effective length, frame check position and filler.Can determine the original position that described end is shaken hands and indicated by described frame head sign, be convenient to terminal and receive; And can carry out error control to the end that the receives sign of shaking hands by described frame check position.
Terminal finishes to shake hands sign by judging whether to receive, thereby controls the opportunity that described terminal enters close conversation, so that the secure communication both sides can reach synchronously, close conversation can be finished.
In the present embodiment, key server sends multiframe and finishes to shake hands sign, receives the probability that described end is shaken hands and indicated to improve terminal, controls the reliability that described terminal enters close conversation thereby improved.Preferably, described end is shaken hands and is masked as 3～10 frames.In other embodiments of the invention, described key server also can only send the frame end sign of shaking hands.
In the present embodiment, further, do not finish to shake hands sign if described terminal receives, then continue to judge whether to receive the data stuffing frame, if then described terminal enters close talking state.
In the present embodiment, enter the opportunity of close conversation by the described terminal of described data stuffing frame replenishment control, improved and controlled the reliability that described terminal enters close talking state.Certainly, in other embodiments of the invention, also can not carry out this replenishment control.
Described data stuffing frame utilizes data link to be sent to secure communication phase the other side by first terminal and/or the second terminal.For example, first terminal and the second terminal all do not receive and finish to shake hands sign, thus, all do not enter close talking state, simultaneously, first terminal and the second terminal are communicated with by core net, at this moment, first terminal can be sent to the data stuffing frame the second terminal, and by judging whether the second terminal receives the data stuffing frame, can control described the second terminal and enter close talking state; Similarly, whether receive the data stuffing frame by judging first terminal, can control described first terminal and enter close talking state, thereby improve the reliability that control terminal enters close talking state.
In the present embodiment, described data stuffing frame can also can be multiframe for a frame, when described data stuffing frame is multiframe, namely require terminal except judging whether to receive the data stuffing frame, also need to judge whether to receive the data stuffing frame that satisfies some.For example, when requiring the data stuffing frame to be 10 frame, terminal only when the data stuffing frame that receives is greater than or equal to 10 frame, just enters close talking state.Thus, can effectively prevent because in the transmission course, data make a mistake (non-data stuffing frame becomes the data stuffing frame), cause terminal to judge the disconnected and wrong close talking state that enters by accident,
In the present embodiment, described data stuffing frame can comprise: frame head sign, frame effective length, distinctive mark and filler.Can determine the original position of described data stuffing frame by described frame head sign, can determine further that by described distinctive mark received is the data stuffing frame.
In the present embodiment, further, if described terminal does not receive the data stuffing frame, then continue to judge whether to receive the coded communication data, if then described terminal enters close talking state.
In the present embodiment, control the opportunity that described terminal enters close conversation by described coded communication data filling, improved and controlled the reliability that described terminal enters close conversation.Certainly, in other embodiments of the invention, also can not carry out this replenishment control.
Described coded communication data communication device crosses first terminal or the second terminal utilizes data link to be sent to secure communication phase the other side.For example, first terminal does not receive the data stuffing frame, thereby do not enter close talking state, simultaneously, the second terminal has entered close talking state, and it utilizes data link to send the coded communication data to first terminal, and first terminal is by judging whether to receive the coded communication data, can control and enter close talking state, thereby improve the reliability that control terminal enters close talking state.
In the present embodiment, described coded communication data can also can be multiframe for a frame, when described coded communication data are multiframe, namely require terminal except judging whether to receive the coded communication data, also need to judge whether to receive the coded communication data that satisfy some.For example, when requiring the coded communication data to be 20 frame, terminal only when the coded communication data that receive are greater than or equal to 20 frame, just enters close talking state.Thus, can effectively prevent because in the transmission course, data make a mistake (non-encrypted communication data becomes the coded communication data), cause terminal to judge the disconnected and wrong close talking state that enters by accident,
In the present embodiment, described coded communication data communication device is crossed a terminal and is obtained after to its encryption of communicated data according to the key of key server distribution.A stringly, assert that namely this communication data is the coded communication data, thereby enter close talking state can't normally carry out the communication data of audio frequency, coding and decoding video the time without deciphering when another terminal receives.
Embodiment
Please refer to Fig. 4, it is the schematic flow sheet of the secret communication method of one embodiment of the invention.In the present embodiment, carry out the video secure communication.As shown in Figure 4, specifically comprise the steps:
Terminal sends the local key of described terminal to key server;
Described terminal receives the secret communication key that described key server sends;
Whether described terminal judges receives is finished to shake hands sign, if then described terminal is finished the media negotiation of visual telephone, then enters close talking state;
If not, whether described terminal judges receives the data stuffing frame, if then described terminal is finished the media negotiation of visual telephone, then enters close talking state;
If not, whether described terminal judges receives the coded communication data, if then described terminal is finished the media negotiation of visual telephone, then enters close talking state;
Described terminal receives the coded communication data, and according to described secret communication key, to the described coded communication data deciphering that enters after the close talking state.
In the present embodiment, described terminal is the communicating pair that carries out secure communication, comprises first terminal and the second terminal.Concrete, described first terminal and the second terminal send the local key of first terminal and the second terminal to described key server, described terminal server is according to the local key of the first terminal that receives and the local key of the second terminal, produce this secret communication key of communicating by letter that a first terminal and the second terminal can both encryption and decryption, described key server is sent to first terminal and the second terminal with the secret communication key that produces.
Then, described key server sends to described terminal and finishes to shake hands sign, enters the opportunity of close conversation with control terminal.And whether terminal judges receives the sign that finishes to shake hands, if then described terminal is finished the media negotiation of visual telephone, then enters close talking state, and described media negotiation is prior art, and the application repeats no more this.In the present embodiment, do not finish to shake hands sign if receive, can be further, judge whether to receive the data stuffing frame; If do not receive the data stuffing frame, also can be further, judge whether to receive the coded communication data, enter the opportunity of close talking state to improve control terminal.After terminal enters close talking state, begin to carry out close conversation, concrete, terminal receives the coded communication data, and according to described secret communication key, to the described coded communication data deciphering that enters after the close talking state.
Embodiment
The present invention also provides one can realize the aforementioned terminal that is used for secure communication that enters close conversation control, specifically please refer to Fig. 5, and it is the mount structure schematic diagram of the terminal that is used for secure communication of one embodiment of the invention.As shown in Figure 5, described terminal 50 comprises:
Sending module 510 is used for sending communication data;
The first processing module 530 finishes to shake hands sign in order to judge whether to receive, if then described terminal enters close talking state;
The second processing module 540 is in order to judge whether to receive the data stuffing frame, if then described terminal enters close talking state;
The 3rd processing module 550 is in order to judge whether to receive the coded communication data, if then described terminal enters close talking state.
Concrete, described the first processing module 530, the second processing module 540, the 3rd processing module 550 are connected with receiver module 520 signals, receiver module 520 received communication data, then the communication data that receives is transferred to the first processing module 530 or the second processing module 540 or the 3rd processing module 550 and judge, enter close talking state with control terminal.In other embodiments of the invention, described terminal 50 can include only the first processing module 530, namely only whether receives the sign that finishes to shake hands and judges, perhaps includes only the first processing module 530 and the second processing module 540.
Foregoing description only is the description to preferred embodiment of the present invention, is not any restriction to the scope of the invention, and any change, modification that the those of ordinary skill in field of the present invention is done according to above-mentioned disclosure all belong to the protection range of claims.
Claims (19)
1. a terminal enters the control method of close conversation, it is characterized in that, terminal is carried out following steps:
Whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state.
2. terminal as claimed in claim 1 enters the control method of close conversation, it is characterized in that, key server utilizes data link to send the described end sign of shaking hands to terminal.
3. terminal as claimed in claim 1 or 2 enters the control method of close conversation, it is characterized in that, described close conversation is the close conversation of video, before described terminal enters close talking state, finishes first the media negotiation of visual telephone.
4. a terminal enters the control method of close conversation, it is characterized in that, terminal is carried out following steps:
Whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state;
If not, whether described terminal judges receives the data stuffing frame, if then described terminal enters close talking state.
5. terminal as claimed in claim 4 enters the control method of close conversation, it is characterized in that, described terminal is the communicating pair that carries out secure communication, comprises first terminal and the second terminal, sends described data stuffing frame by described first terminal and/or the second terminal.
6. terminal as claimed in claim 4 enters the control method of close conversation, it is characterized in that, the quantity of described data stuffing frame is a frame or multiframe.
7. enter the control method of close conversation such as claim 4 or 5 described terminals, it is characterized in that, described close conversation is the close conversation of video, before described terminal enters close talking state, finishes first the media negotiation of visual telephone.
8. a terminal enters the control method of close conversation, it is characterized in that, terminal is carried out following steps:
Whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state;
If not, whether described terminal judges receives the data stuffing frame, if then described terminal enters close talking state;
If not, whether described terminal judges receives the coded communication data, if then described terminal enters close talking state.
9. terminal as claimed in claim 8 enters the control method of close conversation, it is characterized in that, described terminal is the communicating pair that carries out secure communication, comprises first terminal and the second terminal, sends described coded communication data by described first terminal or the second terminal.
10. terminal as claimed in claim 8 enters the control method of close conversation, it is characterized in that, the quantity of described coded communication data is multiframe.
11. enter the control method of close conversation such as each the described terminal in the claim 8 to 9, it is characterized in that, described close conversation is the close conversation of video, before described terminal enters close talking state, finishes first the media negotiation of visual telephone.
12. a secret communication method is characterized in that, comprising:
Terminal sends the local key of described terminal to key server;
Described terminal receives the secret communication key that described key server sends;
Whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state;
Described terminal receives the coded communication data, and according to described secret communication key, to the described coded communication data deciphering that enters after the close talking state.
13. secret communication method as claimed in claim 12 is characterized in that, utilizes data link to transmit described local key, secret communication key, end shake hands sign and coded communication data.
14. such as claim 12 or 13 described secret communication methods, it is characterized in that, described close conversation is the close conversation of video, before described terminal enters close talking state, finishes first the media negotiation of visual telephone.
15. a secret communication method is characterized in that, comprising:
Terminal sends the local key of described terminal to key server;
Described terminal receives the secret communication key that described key server sends;
Whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state;
If not, whether described terminal judges receives the data stuffing frame, if then described terminal enters close talking state;
Described terminal receives the coded communication data, and according to described secret communication key, to the described coded communication data deciphering that enters after the close talking state.
16. a secret communication method is characterized in that, comprising:
Terminal sends the local key of described terminal to key server;
Described terminal receives the secret communication key that described key server sends;
Whether described terminal judges receives is finished to shake hands sign, if then described terminal enters close talking state;
If not, whether described terminal judges receives the data stuffing frame, if then described terminal enters close talking state;
If not, whether described terminal judges receives the coded communication data, if then described terminal enters close talking state;
Described terminal receives the coded communication data, and according to described secret communication key, to the described coded communication data deciphering that enters after the close talking state.
17. a terminal that is used for secure communication is characterized in that, comprising:
Sending module is used for sending communication data;
Receiver module is used for the received communication data;
The first processing module finishes to shake hands sign in order to judge whether to receive, if then described terminal enters close talking state.
18. the terminal for secure communication as claimed in claim 17 is characterized in that, also comprises:
The second processing module is in order to judge whether to receive the data stuffing frame, if then described terminal enters close talking state.
19. the terminal for secure communication as claimed in claim 18 is characterized in that, also comprises:
The 3rd processing module is in order to judge whether to receive the coded communication data, if then described terminal enters close talking state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101931191A CN102882831A (en) | 2011-07-11 | 2011-07-11 | Method for controlling terminal to enter secret communication, secret communication method and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101931191A CN102882831A (en) | 2011-07-11 | 2011-07-11 | Method for controlling terminal to enter secret communication, secret communication method and terminal |
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| CN102882831A true CN102882831A (en) | 2013-01-16 |
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| CN2011101931191A Pending CN102882831A (en) | 2011-07-11 | 2011-07-11 | Method for controlling terminal to enter secret communication, secret communication method and terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105960811A (en) * | 2014-01-29 | 2016-09-21 | 三星电子株式会社 | User terminal device and secured communication method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0660564A2 (en) * | 1993-12-27 | 1995-06-28 | Motorola, Inc. | Secure communication setup method |
| CN1512700A (en) * | 2002-12-26 | 2004-07-14 | 成都卫士通信息产业股份有限公司 | Seamless key exchanging technology based on secret communication |
| CN1705261A (en) * | 2004-05-28 | 2005-12-07 | 华为技术有限公司 | End-to-end encrypting communication system and method |
| CN101404577A (en) * | 2008-10-30 | 2009-04-08 | 南京大学 | Secret communication method for amalgamating multi-secrecy technology |
-
2011
- 2011-07-11 CN CN2011101931191A patent/CN102882831A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0660564A2 (en) * | 1993-12-27 | 1995-06-28 | Motorola, Inc. | Secure communication setup method |
| CN1512700A (en) * | 2002-12-26 | 2004-07-14 | 成都卫士通信息产业股份有限公司 | Seamless key exchanging technology based on secret communication |
| CN1705261A (en) * | 2004-05-28 | 2005-12-07 | 华为技术有限公司 | End-to-end encrypting communication system and method |
| CN101404577A (en) * | 2008-10-30 | 2009-04-08 | 南京大学 | Secret communication method for amalgamating multi-secrecy technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105960811A (en) * | 2014-01-29 | 2016-09-21 | 三星电子株式会社 | User terminal device and secured communication method thereof |
| CN105960811B (en) * | 2014-01-29 | 2019-12-03 | 三星电子株式会社 | Subscriber terminal equipment and its guarded communication method |
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Application publication date: 20130116 |