CN105992199A - Speech communication decrypted conversation and encrypted conversation identification method and system - Google Patents
Speech communication decrypted conversation and encrypted conversation identification method and system Download PDFInfo
- Publication number
- CN105992199A CN105992199A CN201510044372.9A CN201510044372A CN105992199A CN 105992199 A CN105992199 A CN 105992199A CN 201510044372 A CN201510044372 A CN 201510044372A CN 105992199 A CN105992199 A CN 105992199A
- Authority
- CN
- China
- Prior art keywords
- frame
- key agreement
- called
- bright close
- caller
- 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.)
- Granted
Links
Landscapes
- Telephonic Communication Services (AREA)
- Telephone Function (AREA)
Abstract
The present invention provides a speech communication decrypted conversation and encrypted conversation identification method and system. The method comprises the steps of using the communication two parties of an encrypted speech communication terminal to send the secret key negotiation data frames to each other for identification; determining whether the secret key negotiation data frames are identified, if yes, identifying as the encrypted conversation, turning to the encrypted conversation communication and entering an encrypted conversation secret key negotiation flow, otherwise turning to the decrypted conversation communication. The method and the system of the present invention are suitable for the circuit domain and packet domain speech communication under the 2G/3G/4G networks, are rapid and reliable, and do not need the networks to modify a signaling interaction flow, namely, can distinguish the speech communication decrypted conversation and encrypted conversation without needing to remold the conventional networks.
Description
Technical field
The present invention relates to a kind of bright close recognition methods of voice communication and system, particularly relate to a kind of circuit domain being applicable under 2G/3G/4G network and the bright close recognition methods of packet domain voice communication and system.
Background technology
In the enciphoring voice telecommunication of mobile communication system designs, if encryption mobile phone uses, a key entry is close (be may select when i.e. dialing and directly dials unencryped word or encrypted word, called automatic identification incoming call is for unencryped word or encrypted word) mode be encrypted voice communication, the bright close quick differentiation of called incoming call will be realized.Prior art many employings out-band method judges, it is quick for carrying the outer advantage judged, reliably, but needs network amendment Signalling exchange flow process, distinguishes unencryped word and encrypted word calling the most in the signaling, transforms the costly of network.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of circuit domain being applicable under 2G/3G/4G network and packet domain voice communication, the quickest, reliably, and need not network amendment Signalling exchange flow process, two-way bright close recognition methods and system in the band of the encryption mobile phone speech communication that i.e. need not transformation existing network.
The technical solution used in the present invention is as follows: a kind of bright close recognition methods of voice communication, method particularly includes: sent key agreement Frame by the communicating pair of enciphoring voice telecommunication terminal and identify to the other side, judge whether to recognize described key agreement Frame, it is to be identified as encrypted word, forward encrypted word communication to, enter encrypted word key agreement flow process, otherwise transfer unencryped word call to.
As preferably, the form of described key agreement Frame is: frame number negotiation data CRC check position reserved place.
As preferably, set threshold time T, communicating pair persistently sends key agreement Frame and identifies to the other side, judge in time T, whether recognize described key agreement Frame, it is to be identified as encrypted word, forward encrypted word communication to from present frame, enter encrypted word key agreement flow process, otherwise transfer unencryped word call to；Described threshold time T is 1.5 seconds to 4 seconds.
As preferably, described threshold time T is 2 seconds or 3 seconds.
As preferably, described method also includes: enciphoring voice telecommunication terminal caller is unencryped word, does not do bright close identification, is defaulted as unencryped word communication.
As preferably, the concrete grammar step of the bright close identification of enciphoring voice telecommunication terminal caller encrypted word is:
A1, caller are pressed encrypted word and are initiated calling, called answer；
A2, caller every t time send a frame key agreement speech frame to called；The every t time of caller simultaneously receives the speech frame that a frame is called；
A3, caller judge that the speech frame that receives, whether as key agreement speech frame, is to be identified as encrypted word, enters key agreement flow process, bright close end of identification, otherwise enter next step；
A4, caller judge whether that bright close recognition time, more than time threshold T, otherwise enters step A2, is, forward unencryped word call, bright close end of identification to；
The concrete grammar step of the bright close identification of the terminal called encrypted word of enciphoring voice telecommunication is:
B1, the called incoming call that receives, off-hook is answered；
B2, called every t time send a frame speech frame to caller；The most called every t time receives the speech frame of a frame caller；
Whether B3, the called speech frame judging to receive, as key agreement speech frame, are to be identified as encrypted word, enter and consult flow process, bright close end of identification, otherwise enter next step；
B4, called judge whether that bright close recognition time more than time threshold T, otherwise enters step B2, is to forward unencryped word identification, bright close end of identification to；
As preferably, the described t time is 10ms to 30ms.
As preferably, the described t time is 20ms.
As preferably, if the determination methods for key agreement speech frame is: judge that frame head feature and verification Crc value are whether in the range of setting.
The called speech frame that the called speech frame being sent to caller or caller receive is mute frame or prompt tone speech frame.
A kind of bright close identification system of voice communication, including enciphoring voice telecommunication terminal calling terminal and the terminal called end of enciphoring voice telecommunication, it is characterised in that also include
Key agreement Frame sending module, the key agreement Frame that responsible transmission calling terminal and called end send to the other side；
Key agreement data frame receipt identification module, receives the speech frame of the other side and is identified determining whether key agreement Frame；
Encrypted word key negotiation module, carries out encrypted word key agreement.
Compared with prior art, the invention has the beneficial effects as follows: be applicable to the circuit domain under 2G/3G/4G network and packet domain voice communication, the most quickly, reliably, and need not network amendment Signalling exchange flow process, i.e. need not that existing network is carried out transformation and can be achieved with the bright close differentiation of voice communication.
Accompanying drawing explanation
Fig. 1 is the bright close identification process figure of caller of a present invention wherein embodiment.
Fig. 2 is the called bright close identification process figure in embodiment illustrated in fig. 1.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, 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, is not intended to limit the present invention.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be by other equivalences or there is the alternative features of similar purpose replaced.I.e., unless specifically stated otherwise, an example during each feature is a series of equivalence or similar characteristics.
A kind of bright close recognition methods of voice communication, method particularly includes: sent key agreement Frame by the communicating pair of enciphoring voice telecommunication terminal and identify to the other side, judge whether to receive described key agreement Frame, it is to be identified as encrypted word, forward encrypted word communication to, enter encrypted word key agreement flow process, otherwise transfer unencryped word call to.
As shown in Table 1, the form of described key agreement Frame is: frame number negotiation data CRC check position reserved place.
In this specific embodiment, wherein, frame number is the sequence number of current key negotiation data frame, from the beginning of 1, is M to the maximum.(M is the natural number more than 1, determines according to the data volume that key agreement need to transmit)；Negotiation data field is the key agreement data of carrying, and CRC check is to frame number and the completeness check of negotiation data field；Reserved field retains, and after doing, protocol extension uses.
Table one is for the key agreement Frame of bright close identification
In this specific embodiment, first a threshold time T is set, communicating pair persistently sends key agreement Frame and identifies to the other side, judge in time T, whether recognize described key agreement Frame, it is to be identified as encrypted word, forward encrypted word communication to from present frame, enter encrypted word key agreement flow process, otherwise transfer unencryped word call to；Described threshold time T is 1.5 seconds to 4 seconds.Persistently send key agreement Frame, be further ensured that the other side is able to receive that key agreement Frame.
In a particular embodiment, described threshold time T is 2 seconds or 3 seconds, depending on time situation.
Described method also includes: enciphoring voice telecommunication terminal caller is unencryped word, although i.e. caller possesses the function of enciphoring voice telecommunication, but does not do encrypted word caller, does not do bright close identification, be defaulted as unencryped word communication.
In this specific embodiment, as it is shown in figure 1, the concrete grammar step of the bright close identification of enciphoring voice telecommunication terminal caller encrypted word is:
A1, caller are pressed encrypted word and are initiated calling, and called off-hook or button or swipe is answered；
A2, caller every t time send a frame key agreement speech frame to called；The every t time of caller simultaneously receives the speech frame that a frame is called；
A3, caller judge that the speech frame that receives, whether as key agreement speech frame, is to be identified as encrypted word, enters key agreement flow process, bright close end of identification, otherwise enter next step；
A4, caller judge whether that bright close recognition time, more than time threshold T, otherwise enters step A2, is, forward unencryped word call, bright close end of identification to；
As in figure 2 it is shown, the concrete grammar step of the bright close identification of the terminal called encrypted word of enciphoring voice telecommunication is:
B1, the called incoming call that receives, off-hook is answered；
B2, called every t time send a frame speech frame to caller；The most called every t time receives the speech frame of a frame caller；
Whether B3, the called speech frame judging to receive, as key agreement speech frame, are to be identified as encrypted word, enter and consult flow process, bright close end of identification, otherwise enter next step；
B4, called judge whether that bright close recognition time more than time threshold T, otherwise enters step B2, is to forward unencryped word identification, bright close end of identification to.
The described t time is 10ms to 30ms.
The described t time is 20ms.
It is whether that the determination methods of key agreement speech frame is: judge that frame head feature and verification Crc value are whether in the range of setting.In this specific embodiment, first determining whether frame number feature, frame number if not in this span, then should abandon this bag data in the legal span of key agreement data packet frame sequence number (1 arrives M, as aforementioned)；After judging that frame head is legal, calculate crc value, compare the most consistent with the crc value received, if unanimously, then it is assumed that this speech frame received is legal key agreement packet.
Further, in this specific embodiment, the called speech frame that the called speech frame being sent to caller or caller receive is mute frame or prompt tone speech frame.Called when answering unencryped word, the bright close identification decision time is short, called during bright close identification decision, sends mute frame or prompt tone speech frame to caller, it is to avoid the calling party doing clear call hears the sound of uttering long and high-pitched sounds that called key agreement data are directly play.
The coded communication terminal band Nei Mingmi recognition methods of present patent application, can solve the bright close identification of calling and called simultaneously, and flow process is the most efficient.It is made without existing network transformation, after closing of the circuit, whether the speech data that calling and called both sides are received by judgement has encrypted word characteristic to carry out bright close differentiation.
Claims (10)
1. the bright close recognition methods of voice communication, method particularly includes: sent key agreement Frame by the communicating pair of enciphoring voice telecommunication terminal and identify to the other side, judge whether to recognize described key agreement Frame, it is to be identified as encrypted word, forward encrypted word communication to, enter encrypted word key agreement flow process, otherwise transfer unencryped word call to.
The bright close recognition methods of voice communication the most according to claim 1, the form of described key agreement Frame is: frame number negotiation data CRC check position reserved place.
The bright close recognition methods of voice communication the most according to claim 1, set threshold time T, communicating pair persistently sends key agreement Frame and identifies to the other side, judge in time T, whether recognize described key agreement Frame, it is to be identified as encrypted word, forward encrypted word communication to from present frame, enter encrypted word key agreement flow process, otherwise transfer unencryped word call to；Described threshold time T is 1.5 seconds to 4 seconds.
The bright close recognition methods of voice communication the most according to claim 3, described threshold time T is 2 seconds or 3 seconds.
5. according to the bright close recognition methods of the voice communication one of claim 1 to 4 Suo Shu, described method also includes: enciphoring voice telecommunication terminal caller is unencryped word, does not do bright close identification, is defaulted as unencryped word communication.
The bright close recognition methods of voice communication the most according to claim 3, the concrete grammar step of the bright close identification of enciphoring voice telecommunication terminal caller encrypted word is:
A1, caller are pressed encrypted word and are initiated calling, called answer；
A2, caller every t time send a frame key agreement speech frame to called；The every t time of caller simultaneously receives the speech frame that a frame is called；
A3, caller judge that the speech frame that receives, whether as key agreement speech frame, is to be identified as encrypted word, enters key agreement flow process, bright close end of identification, otherwise enter next step；
A4, caller judge whether that bright close recognition time, more than time threshold T, otherwise enters step A2, is, forward unencryped word call, bright close end of identification to；
The concrete grammar step of the bright close identification of the terminal called encrypted word of enciphoring voice telecommunication is:
B1, the called incoming call that receives, off-hook is answered；
B2, called every t time send a frame speech frame to caller；The most called every t time receives the speech frame of a frame caller；
Whether B3, the called speech frame judging to receive, as key agreement speech frame, are to be identified as encrypted word, enter and consult flow process, bright close end of identification, otherwise enter next step；
B4, called judge whether that bright close recognition time more than time threshold T, otherwise enters step B2, is to forward unencryped word identification, bright close end of identification to；
The described t time is 10ms to 30ms.
The bright close recognition methods of voice communication the most according to claim 6, the described t time is 20ms.
The bright close recognition methods of voice communication the most according to claim 6, if the determination methods for key agreement speech frame is: judge that frame head feature and verification Crc value are whether in the range of setting.
The bright close recognition methods of voice communication the most according to claim 6, the called speech frame that the called speech frame being sent to caller or caller receive is mute frame or prompt tone speech frame.
10. the bright close identification system of voice communication, including enciphoring voice telecommunication terminal calling terminal and the terminal called end of enciphoring voice telecommunication, it is characterised in that also include
Key agreement Frame sending module, the key agreement Frame that responsible transmission calling terminal and called end send to the other side；
Key agreement data frame receipt identification module, receives the speech frame of the other side and is identified determining whether key agreement Frame；
Encrypted word key negotiation module, carries out encrypted word key agreement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510044372.9A CN105992199B (en) | 2015-01-29 | 2015-01-29 | A kind of bright close recognition methods of voice communication and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510044372.9A CN105992199B (en) | 2015-01-29 | 2015-01-29 | A kind of bright close recognition methods of voice communication and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105992199A true CN105992199A (en) | 2016-10-05 |
| CN105992199B CN105992199B (en) | 2019-04-30 |
Family
ID=57036493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510044372.9A Active CN105992199B (en) | 2015-01-29 | 2015-01-29 | A kind of bright close recognition methods of voice communication and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105992199B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108271132A (en) * | 2016-12-30 | 2018-07-10 | 中国移动通信集团宁夏有限公司 | A kind of voice encryption phone call method and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101547269A (en) * | 2009-05-14 | 2009-09-30 | 杭州华三通信技术有限公司 | Calling control method and voice terminal |
| CN101764666A (en) * | 2009-12-24 | 2010-06-30 | 中国电信股份有限公司 | Speech encryption method and device and decryption method and device |
| CN101917711A (en) * | 2010-08-25 | 2010-12-15 | 中兴通讯股份有限公司 | Mobile communication system and voice call encryption method thereof |
| CN101931949A (en) * | 2010-08-11 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for switching clear text communication and cipher text communication between mobile terminals |
| CN103002406A (en) * | 2012-12-03 | 2013-03-27 | 科立讯通信股份有限公司 | Voice encryption method applied to narrow-band wireless digital communication system |
| US20130236015A1 (en) * | 2011-02-25 | 2013-09-12 | Gotrust Technology Inc. | Encryption/decryption system and method for a mobile device |
| CN103458401A (en) * | 2013-09-05 | 2013-12-18 | 北京一诺正思信息技术有限公司 | Voice encryption communication system and voice encryption communication method |
| CN103974241A (en) * | 2013-02-05 | 2014-08-06 | 东南大学常州研究院 | Voice end-to-end encryption method aiming at mobile terminal with Android system |
-
2015
- 2015-01-29 CN CN201510044372.9A patent/CN105992199B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101547269A (en) * | 2009-05-14 | 2009-09-30 | 杭州华三通信技术有限公司 | Calling control method and voice terminal |
| CN101764666A (en) * | 2009-12-24 | 2010-06-30 | 中国电信股份有限公司 | Speech encryption method and device and decryption method and device |
| CN101931949A (en) * | 2010-08-11 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for switching clear text communication and cipher text communication between mobile terminals |
| CN101917711A (en) * | 2010-08-25 | 2010-12-15 | 中兴通讯股份有限公司 | Mobile communication system and voice call encryption method thereof |
| US20130236015A1 (en) * | 2011-02-25 | 2013-09-12 | Gotrust Technology Inc. | Encryption/decryption system and method for a mobile device |
| CN103002406A (en) * | 2012-12-03 | 2013-03-27 | 科立讯通信股份有限公司 | Voice encryption method applied to narrow-band wireless digital communication system |
| CN103974241A (en) * | 2013-02-05 | 2014-08-06 | 东南大学常州研究院 | Voice end-to-end encryption method aiming at mobile terminal with Android system |
| CN103458401A (en) * | 2013-09-05 | 2013-12-18 | 北京一诺正思信息技术有限公司 | Voice encryption communication system and voice encryption communication method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108271132A (en) * | 2016-12-30 | 2018-07-10 | 中国移动通信集团宁夏有限公司 | A kind of voice encryption phone call method and system |
| CN108271132B (en) * | 2016-12-30 | 2021-05-04 | 中国移动通信集团宁夏有限公司 | Voice encryption telephone calling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105992199B (en) | 2019-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2000110519A (en) | METHOD OF PERSONAL CALLING OF A PHONE NETWORK SUBSCRIBER (OPTIONS) | |
| CN101296429B (en) | Video terminal and incoming call processing method | |
| US7496187B2 (en) | In-bound call directed telephone station and method of directing a telephone station based on an in-bound call | |
| US8433041B2 (en) | Method and system to enable touch-free incoming call handling and touch-free outgoing call origination | |
| CN104184911B (en) | A kind of device that realizing bluetooth mode videoconference and the means of communication | |
| ATE372038T1 (en) | METHOD AND COMMUNICATIONS SYSTEM FOR ASSOCIATED TELEPHONE CALL | |
| RU2015156799A (en) | SYSTEM AND METHOD FOR CREATING A WIRELESS TUBE FOR STATIONARY PHONES USING A HOME GATEWAY AND A SMARTPHONE | |
| CN105187672A (en) | Incoming call answering method and mobile terminal | |
| CN104618593B (en) | A kind of operating method when mobile terminal and its third party's incoming call | |
| CN102857731A (en) | Method for identity validation and automatic answering of 3G wireless communication module video telephone call | |
| CN105992199A (en) | Speech communication decrypted conversation and encrypted conversation identification method and system | |
| WO2007033459A1 (en) | Method and system to enable touch-free incoming call handling and touch-free outgoing call origination | |
| WO2020251402A3 (en) | Method for filtering unwanted incoming calls to mobile telephones | |
| CN103338530A (en) | Communication method and system of dual-standby mobile phone | |
| JP2007089212A (en) | Cellular phone terminal | |
| CN105187655A (en) | Mobile terminal being able to automatically answering calls, and call answering method | |
| WO2009024066A1 (en) | Method for voice activity detection controlling and controlling device thereof | |
| KR20060014594A (en) | Call management method in 3gpp generation mobile communication network | |
| US20100136962A1 (en) | Apparatus, system, and method for mobile communication | |
| JPH11331271A (en) | Internet telephone gateway device | |
| CN103152478A (en) | Phone call display method and mobile phone | |
| CN101931710B (en) | Method for exchanging information in voice communication system and communication device | |
| KR100749748B1 (en) | Mobile station with control communication channel and its method | |
| JP2004289878A (en) | Cellular phone terminal | |
| KR100371021B1 (en) | A method of telecommunication control for protecting privacy of a receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |