CN104837122A - Multi-party communication method, terminal and system - Google Patents

Multi-party communication method, terminal and system Download PDF

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Publication number
CN104837122A
CN104837122A CN201510155121.8A CN201510155121A CN104837122A CN 104837122 A CN104837122 A CN 104837122A CN 201510155121 A CN201510155121 A CN 201510155121A CN 104837122 A CN104837122 A CN 104837122A
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China
Prior art keywords
terminal
privately
pattern
discussed
key
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CN201510155121.8A
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CN104837122B (en
Inventor
冯斌
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Nubia Technology Co Ltd
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Nubia Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Abstract

The invention discloses a multi-party communication method, terminal and system. The multi-party communication method comprises that during a multi-party conversation process, a first terminal arranges a private discussing secret key, at least one user which enters a private discussing mode is selected, and the at least one user enters the private discussing mode, the first terminal sends the private discussing secret key to a second terminal of the selected user, the second terminal enters the private discussing mode according to the received private discussing secret key, in the private discussing mode, and the first terminal carries out point-to-point conversation with the second terminal which enters the private discussing mode. According to the invention, during the multi-party conversation process, point-to-point private conversation and point-to-multipoint private conversation are achieved, and the demand of the user is satisfied. The multi-party communication method is simple and easy to carry out, a public key of another terminal and a private key of the terminal do not need to be pre-stored before the conversation, during the conversation process, the user carries out input and achieves point-to-point private conversation in a password pairing manner.

Description

Multi-party communications method, terminal and system
Technical field
The present invention relates to communication technical field, particularly relate to a kind of multi-party communications method, terminal and system.
Background technology
Along with the development of development of Mobile Internet technology, existing communication terminal has many people call function usually, can set up many people converse with other multiple terminal.In many people communication process, although each terminal use is positioned at different places, the content of speaking of each terminal use, other each terminal use can hear, is therefore particularly suitable for videoconference.
In many people communication process, some terminal uses may need, with another terminal use, some problems are discussed privately, in order to avoid affect other terminal use or prevent other terminal use from hearing private information.But existing many people call method still can not realize the call of point-to-point secret in many people communication process, cannot meet the demand of user.
Summary of the invention
Main purpose of the present invention is to propose a kind of multi-party communications method, terminal and system, is intended to realize point-to-point in many people communication process or point-to-multipoint secret call, meets the demand of user.
For achieving the above object, a kind of multi-party communications method provided by the invention, is applied to multi-party communication system, and described multi-party communication system comprises first terminal, at least one second terminal and at least one third terminal, and described method comprises:
In MPTY process, described first terminal arranges and privately key is discussed on MPTY interface, chooses to invite to enter at least one user that pattern is discussed privately, and enters and privately pattern is discussed;
Described key of discussing privately is sent to user place second terminal chosen by described first terminal, is entered by described second terminal and privately pattern is discussed according to discussing key described in receiving privately;
Under described discussion pattern privately, described first terminal with enter the second terminal that pattern is discussed privately and carry out point-to-point call.
Preferably, described MPTY interface is provided with expansion button, described first terminal arranges the step that key is discussed privately and comprises on MPTY interface:
Described first terminal is arranged by the described expansion button on MPTY interface and privately key is discussed.
Preferably, described second terminal enters the step that pattern is discussed privately comprise according to the described key of discussing privately received:
Described second terminal receives the pattern switching command of user on described MPTY interface, according to described pattern switching command display key authentication input frame;
Receive the key of discussion privately that user inputs in described key authentication input frame;
The key of discussing privately user inputted mates with the key of discussion privately received from described first terminal, if both are consistent, are then switched to and privately pattern are discussed.
Preferably, described under discussion pattern privately, described first terminal with enter the step that the second terminal that pattern is discussed privately carries out point-to-point call and comprise:
Under discussion pattern privately, privately key is discussed based on described, the speech data entering the second terminal that pattern is discussed privately described in waiting to pass to is encrypted by described first terminal, and generating cipher mark;
Described first terminal enters the second terminal that pattern is discussed privately described in being sent to by the speech data after encryption, and described speech data carries described cipher mark; Enter after the second terminal that pattern is discussed privately receives described speech data by described, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then plays described speech data.
Preferably, described under discussion pattern privately, described first terminal with enter the step that the second terminal that pattern is discussed privately carries out point-to-point call and also comprise:
Described first terminal is receiving speech data, and described in the speech data that receives when not carrying described cipher mark, the described speech data received is abandoned.
Preferably, described method also comprises:
After described first terminal and the second terminal are discussed privately and terminated, described first terminal switches back MPTY pattern from pattern of discussing privately.
The embodiment of the present invention also proposes a kind of multi-party communication terminal, and described multi-party communication terminal place multi-party communication system comprises described terminal, at least one second terminal and at least one third terminal, and described terminal comprises:
Handover module, in MPTY process, MPTY interface is arranged and privately key is discussed, and chooses to invite to enter at least one user that pattern is discussed privately, and enters and privately pattern is discussed;
Sending module, for described key of discussing privately is sent to user place second terminal chosen, is entered by described second terminal privately pattern is discussed according to discussing key described in receiving privately;
Call module, under described discussion pattern privately, and enters the second terminal that pattern is discussed privately and carries out point-to-point call.
Preferably, described MPTY interface is provided with expansion button;
Described handover module, also discusses key privately for being arranged by the described expansion button on MPTY interface.
Preferably, described call module, also under discussion pattern privately, discusses key privately based on described, is encrypted by the speech data entering the second terminal that pattern is discussed privately described in waiting to pass to, and generating cipher mark; Enter the second terminal that pattern is discussed privately described in being sent to by speech data after encryption, described speech data carries described cipher mark; Enter after the second terminal that pattern is discussed privately receives described speech data by described, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then plays described speech data.
Preferably, described call module, also under discussion pattern privately, receives speech data, and described in the speech data that receives when not carrying described cipher mark, the described speech data received is abandoned.
Preferably, described call module, also for after discussing privately when described first terminal and the second terminal and terminating, switches back MPTY pattern from pattern of discussing privately.
The embodiment of the present invention also proposes a kind of multi-party communication system, and described multi-party communication system comprises first terminal, at least one second terminal and at least one third terminal; Wherein:
Described first terminal is terminal as above;
Described at least one second terminal, for in the MPTY process of described first terminal, at least one second terminal and at least one third terminal, when receiving the key of discussion privately that described first terminal sends, enter privately pattern is discussed according to discussing key described in receiving privately; And under described discussion pattern privately, carry out point-to-point call with described first terminal;
Described at least one third terminal, for multi-party communication system in do not enter other second terminals that pattern is discussed privately and/or third terminal carries out MPTY.
Preferably, described second terminal, also for receiving the pattern switching command of user on described MPTY interface, according to described pattern switching command display key authentication input frame; Receive the key of discussion privately that user inputs in described key authentication input frame; The key of discussing privately user inputted mates with the key of discussion privately received from described first terminal, if both are consistent, are then switched to and privately pattern are discussed.
Preferably, described second terminal, also under discussion pattern privately, discusses key privately based on described, will wait that the speech data passing to described first terminal is encrypted, and generating cipher mark; Speech data after encryption is sent to described first terminal, and described speech data carries described cipher mark; After receiving described speech data by described first terminal, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then plays described speech data.
Preferably, described second terminal, also under discussion pattern privately, receives speech data, and described in the speech data that receives when not carrying described cipher mark, the described speech data received is abandoned;
Described third terminal, also for receiving speech data, and described in the speech data that receives when carrying cipher mark, the described speech data received is abandoned.
A kind of multi-party communications method that the present invention proposes, terminal and system, in MPTY process, first terminal arranges and privately key is discussed on MPTY interface, chooses to invite to enter at least one user that pattern is discussed privately, and enters and privately pattern is discussed; First terminal is sent to discussing key privately user place second terminal chosen, and is entered by the second terminal and privately pattern is discussed according to discussing key described in receiving privately; Under discussion pattern privately, first terminal with enter the second terminal that pattern is discussed privately and carry out point-to-point call, thus achieve and carry out point-to-point, point-to-multipoint secret call in MPTY process, meet the demand of user.And this invention simple possible, without the need to the PKI of other terminal that prestores before the call and the private key of the machine, but undertaken inputting the form realization of being matched by password by user in communication process.
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention;
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1;
Fig. 3 is the schematic flow sheet of multi-party communications method first embodiment of the present invention;
Fig. 4 is the block schematic illustration of the multi-party communication system that the embodiment of the present invention relates to;
Fig. 5 is the schematic flow sheet of multi-party communications method second embodiment of the present invention;
Fig. 6 is a kind of application example schematic diagram in the embodiment of the present invention;
Fig. 7 is the high-level schematic functional block diagram of multi-party communication terminal of the present invention preferred embodiment.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
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 mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use the suffix of such as " module ", " parts " or " unit " for representing element only in order to be conducive to explanation of the present invention, itself is specific meaning not.Therefore, " module " and " parts " can mixedly use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise the such as mobile terminal of mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as digital TV, desktop computer etc.Below, suppose that terminal is mobile terminal.But it will be appreciated by those skilled in the art that except the element except being used in particular for mobile object, structure according to the embodiment of the present invention also can be applied to the terminal of fixed type.
Fig. 1 is the hardware configuration signal of the mobile terminal realizing each embodiment of the present invention.
Mobile terminal 100 can comprise wireless communication unit 110, A/V (audio/video) input unit 120, user input unit 130, sensing cell 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190 etc.Fig. 1 shows the mobile terminal with various assembly, it should be understood that, does not require to implement all assemblies illustrated.Can alternatively implement more or less assembly.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assembly, and it allows the radio communication between mobile terminal 100 and wireless communication system or network.Such as, wireless communication unit can comprise at least one in broadcast reception module 111, mobile communication module 112, wireless Internet module 113, short range communication module 114 and positional information module 115.
Broadcast reception module 111 via broadcast channel from external broadcasting management server receiving broadcast signal and/or broadcast related information.Broadcast channel can comprise satellite channel and/or terrestrial channel.Broadcast management server can be generate and send the server of broadcast singal and/or broadcast related information or the broadcast singal generated before receiving and/or broadcast related information and send it to the server of terminal.Broadcast singal can comprise TV broadcast singal, radio signals, data broadcasting signal etc.And broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast related information also can provide via mobile communications network, and in this case, broadcast related information can be received by mobile communication module 112.Broadcast singal can exist in a variety of manners, such as, it can exist with the form of the electronic service guidebooks (ESG) of the electronic program guides of DMB (DMB) (EPG), digital video broadcast-handheld (DVB-H) etc.Broadcast reception module 111 can by using the broadcast of various types of broadcast system Received signal strength.Especially, broadcast reception module 111 can by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video broadcasting-hand-held (DVB-H), forward link media (MediaFLO @) the digit broadcasting system receiving digital broadcast of Radio Data System, received terrestrial digital broadcasting integrated service (ISDB-T) etc.Broadcast reception module 111 can be constructed to be applicable to providing the various broadcast system of broadcast singal and above-mentioned digit broadcasting system.The broadcast singal received via broadcast reception module 111 and/or broadcast related information can be stored in memory 160 (or storage medium of other type).
Radio signal is sent at least one in base station (such as, access point, Node B etc.), exterior terminal and server and/or receives radio signals from it by mobile communication module 112.Various types of data that such radio signal can comprise voice call signal, video calling signal or send according to text and/or Multimedia Message and/or receive.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be inner or be externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can comprise WLAN (WLAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (high-speed downlink packet access) etc.
Short range communication module 114 is the modules for supporting junction service.Some examples of short-range communication technology comprise bluetooth tM, radio-frequency (RF) identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee tMetc..
Positional information module 115 is the modules of positional information for checking or obtain mobile terminal.The typical case of positional information module is GPS (global positioning system).According to current technology, GPS module 115 calculates from the range information of three or more satellite and correct time information and for the Information application triangulation calculated, thus calculates three-dimensional current location information according to longitude, latitude and pin-point accuracy.Current, the method for calculating location and temporal information uses three satellites and by the error of the position that uses an other satellite correction calculation to go out and temporal information.In addition, GPS module 115 can carry out computational speed information by Continuous plus current location information in real time.
A/V input unit 120 is for audio reception or vision signal.A/V input unit 120 can comprise camera 121 and microphone 1220, and the view data of camera 121 to the static images obtained by image capture apparatus in Video Capture pattern or image capture mode or video processes.Picture frame after process may be displayed on display unit 151.Picture frame after camera 121 processes can be stored in memory 160 (or other storage medium) or via wireless communication unit 110 and send, and can provide two or more cameras 1210 according to the structure of mobile terminal.Such acoustic processing can via microphones sound (voice data) in telephone calling model, logging mode, speech recognition mode etc. operational mode, and can be voice data by microphone 122.Audio frequency (voice) data after process can be converted to the formatted output that can be sent to mobile communication base station via mobile communication module 112 when telephone calling model.Microphone 122 can be implemented various types of noise and eliminate (or suppress) algorithm and receiving and sending to eliminate (or suppression) noise or interference that produce in the process of audio signal.
User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and keyboard, the young sheet of pot, touch pad (such as, detecting the touch-sensitive assembly of the change of the resistance, pressure, electric capacity etc. that cause owing to being touched), roller, rocking bar etc. can be comprised.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch-screen can be formed.
Sensing cell 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close state), the position of mobile terminal 100, user for mobile terminal 100 contact (namely, touch input) presence or absence, the orientation of mobile terminal 100, the acceleration or deceleration of mobile terminal 100 move and direction etc., and generate order or the signal of the operation for controlling mobile terminal 100.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing cell 140 can sense this sliding-type phone and open or close.In addition, whether whether sensing cell 140 can detect power subsystem 190 provides electric power or interface unit 170 to couple with external device (ED).Sensing cell 140 can comprise proximity transducer 1410 and will be described this in conjunction with touch-screen below.
Interface unit 170 is used as at least one external device (ED) and is connected the interface that can pass through with mobile terminal 100.Such as, external device (ED) can comprise wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port, audio frequency I/O (I/O) port, video i/o port, ear port etc. of the device with identification module.Identification module can be that storage uses the various information of mobile terminal 100 for authentication of users and can comprise subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to " recognition device ") with identification module can take the form of smart card, and therefore, recognition device can be connected with mobile terminal 100 via port or other jockey.Interface unit 170 may be used for receive from external device (ED) input (such as, data message, electric power etc.) and the input received be transferred to the one or more element in mobile terminal 100 or may be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connected with external base, interface unit 170 can be used as to allow by it electric power to be provided to the path of mobile terminal 100 from base or can be used as the path that allows to be transferred to mobile terminal by it from the various command signals of base input.The various command signal inputted from base or electric power can be used as and identify whether mobile terminal is arranged on the signal base exactly.Output unit 150 is constructed to provide output signal (such as, audio signal, vision signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.Output unit 150 can comprise display unit 151, dio Output Modules 152, alarm unit 153 etc.
Display unit 151 may be displayed on the information of process in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display unit 151 can show with call or other communicate (such as, text messaging, multimedia file are downloaded etc.) be correlated with user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display unit 151 can the image of display capture and/or the image of reception, UI or GUI that video or image and correlation function are shown etc.
Meanwhile, when display unit 151 and touch pad as a layer superposed on one another to form touch-screen time, display unit 151 can be used as input unit and output device.Display unit 151 can comprise at least one in liquid crystal display (LCD), thin-film transistor LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.Some in these displays can be constructed to transparence and watch from outside to allow user, and this can be called transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc.According to the specific execution mode wanted, mobile terminal 100 can comprise two or more display units (or other display unit), such as, mobile terminal can comprise outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used for detecting touch input pressure and touch input position and touch and inputs area.
When dio Output Modules 152 can be under the isotypes such as call signal receiving mode, call mode, logging mode, speech recognition mode, broadcast reception mode at mobile terminal, voice data convert audio signals that is that wireless communication unit 110 is received or that store in memory 160 and exporting as sound.And dio Output Modules 152 can provide the audio frequency relevant to the specific function that mobile terminal 100 performs to export (such as, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can comprise loud speaker, buzzer etc.
Alarm unit 153 can provide and export that event informed to mobile terminal 100.Typical event can comprise calling reception, message sink, key signals input, touch input etc.Except audio or video exports, alarm unit 153 can provide in a different manner and export with the generation of notification event.Such as, alarm unit 153 can provide output with the form of vibration, when receive calling, message or some other enter communication (incomingcommunication) time, alarm unit 153 can provide sense of touch to export (that is, vibrating) to notify to user.By providing such sense of touch to export, even if when the mobile phone of user is in the pocket of user, user also can identify the generation of various event.Alarm unit 153 also can provide the output of the generation of notification event via display unit 151 or dio Output Modules 152.
Memory 160 software program that can store process and the control operation performed by controller 180 etc., or temporarily can store oneself through exporting the data (such as, telephone directory, message, still image, video etc.) that maybe will export.And, memory 160 can store about when touch be applied to touch-screen time the vibration of various modes that exports and the data of audio signal.
Memory 160 can comprise the storage medium of at least one type, described storage medium comprises flash memory, hard disk, multimedia card, card-type memory (such as, SD or DX memory etc.), random access storage device (RAM), static random-access memory (SRAM), read-only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc.And mobile terminal 100 can be connected the memory function of execute store 160 network storage device with by network cooperates.
Controller 180 controls the overall operation of mobile terminal usually.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.In addition, controller 180 can comprise the multi-media module 1810 for reproducing (or playback) multi-medium data, and multi-media module 1810 can be configured in controller 180, or can be configured to be separated with controller 180.Controller 180 can pattern recognition process, is identified as character or image so that input is drawn in the handwriting input performed on the touchscreen or picture.
Power subsystem 190 receives external power or internal power and provides each element of operation and the suitable electric power needed for assembly under the control of controller 180.
Various execution mode described herein can to use such as computer software, the computer-readable medium of hardware or its any combination implements.For hardware implementation, execution mode described herein can by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, being designed at least one performed in the electronic unit of function described herein and implementing, in some cases, such execution mode can be implemented in controller 180.For implement software, the execution mode of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in memory 160 and to be performed by controller 180.
So far, oneself is through the mobile terminal according to its functional description.Below, for the sake of brevity, by the slide type mobile terminal that describes in various types of mobile terminals of such as folded form, board-type, oscillating-type, slide type mobile terminal etc. exemplarily.Therefore, the present invention can be applied to the mobile terminal of any type, and is not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 can be constructed to utilize and send the such as wired and wireless communication system of data via frame or grouping and satellite-based communication system operates.
Describe wherein according to the communication system that mobile terminal of the present invention can operate referring now to Fig. 2.
Such communication system can use different air interfaces and/or physical layer.Such as, the air interface used by communication system comprises such as frequency division multiple access (FDMA), time division multiple access (TDMA), code division multiple access (CDMA) and universal mobile telecommunications system (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc.As non-limiting example, description below relates to cdma communication system, but such instruction is equally applicable to the system of other type.
With reference to figure 2, cdma wireless communication system can comprise multiple mobile terminal 100, multiple base station (BS) 270, base station controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is constructed to form interface with Public Switched Telephony Network (PSTN) 290.MSC280 is also constructed to form interface with the BSC275 that can be couple to base station 270 via back haul link.Back haul link can construct according to any one in some interfaces that oneself knows, described interface comprises such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.Will be appreciated that system as shown in Figure 2 can comprise multiple BSC2750.
Each BS270 can serve one or more subregion (or region), by multidirectional antenna or point to specific direction each subregion of antenna cover radially away from BS270.Or each subregion can by two or more antenna covers for diversity reception.Each BS270 can be constructed to support multiple parallel compensate, and each parallel compensate has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).
Subregion can be called as CDMA Channel with intersecting of parallel compensate.BS270 also can be called as base station transceiver subsystem (BTS) or other equivalent terms.Under these circumstances, term " base station " may be used for broadly representing single BSC275 and at least one BS270.Base station also can be called as " cellular station ".Or each subregion of particular B S270 can be called as multiple cellular station.
As shown in Figure 2, broadcast singal is sent to the mobile terminal 100 at operate within systems by broadcsting transmitter (BT) 295.Broadcast reception module 111 as shown in Figure 1 is arranged on mobile terminal 100 and sentences the broadcast singal receiving and sent by BT295.In fig. 2, several global positioning system (GPS) satellite 300 is shown.Satellite 300 helps at least one in the multiple mobile terminal 100 in location.
In fig. 2, depict multiple satellite 300, but understand, the satellite of any number can be utilized to obtain useful locating information.GPS module 115 as shown in Figure 1 is constructed to coordinate to obtain the locating information wanted with satellite 300 usually.Substitute GPS tracking technique or outside GPS tracking technique, can use can other technology of position of tracking mobile terminal.In addition, at least one gps satellite 300 optionally or extraly can process satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link signal from various mobile terminal 100.Mobile terminal 100 participates in call usually, information receiving and transmitting communicates with other type.Each reverse link signal that certain base station 270 receives is processed by particular B S270.The data obtained are forwarded to relevant BSC275.BSC provides call Resourse Distribute and comprises the mobile management function of coordination of the soft switching process between BS270.The data received also are routed to MSC280 by BSC275, and it is provided for the extra route service forming interface with PSTN290.Similarly, PSTN290 and MSC280 forms interface, and MSC and BSC275 forms interface, and BSC275 correspondingly control BS270 so that forward link signals is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the inventive method is proposed.
Because existing many people call method still can not realize the call of point-to-point secret in many people communication process, the demand of user cannot be met.
For this reason, the present invention proposes a solution, can well solve and carry out problem that is point-to-point, the call of point-to-multipoint secret in MPTY process, meet the demand of user.And this invention simple possible, without the need to the PKI of other terminal that prestores before the call and the private key of the machine, but undertaken inputting the form realization of being matched by password by user in communication process, there is good practicality.
Particularly, as shown in Figure 3, first embodiment of the invention proposes a kind of multi-party communications method, is applied to the multi-party communication system shown in Fig. 4, and described multi-party communication system comprises first terminal, at least one second terminal and at least one third terminal, and described method comprises:
Step S101, in MPTY process, described first terminal arranges and privately key is discussed on MPTY interface, chooses to invite to enter at least one user that pattern is discussed privately, and enters and privately pattern is discussed;
In order to realize in MPTY process, in multi-party communication system, a certain terminal use is corresponding with other one or more terminal uses carries out point-to-point, point-to-multipoint secret telephone operation, the present embodiment is provided with expansion button on MPTY interface, privately pattern is discussed to be triggered by this expansion button.
Invite the second terminal in multi-party communication system to carry out point-to-point discussion privately (implementation of point-to-multipoint can realize with reference to this embodiment, only need relate to multiple second terminal) for first terminal, specific implementation is as follows:
First terminal is arranged by the expansion button on MPTY interface and privately key is discussed, and this discusses the communication key that key is discussed privately for first terminal and the second terminal privately.
In addition, while it will be appreciated by persons skilled in the art that first terminal discusses key privately by the setting of expansion button on MPTY interface, can also arrange and privately duration is discussed.
First terminal, after completing and privately the arranging of key being discussed, MPTY interface is chosen invite and is entered the second terminal use that pattern is discussed privately, and enters and privately pattern is discussed.
Enter privately discuss pattern time, the following two kinds implementation can be adopted:
The first implementation: after first terminal completes setting that key is discussed privately and chooses and invite and enter the second terminal use that pattern is discussed privately, first terminal directly switches to from current MPTY pattern and privately pattern is discussed by system application.
The second implementation: after first terminal completes setting that key is discussed privately and chooses and invite and enter the second terminal use that pattern is discussed privately, first terminal clicks corresponding switching push button on MPTY interface, is entered privately pattern is discussed by the key of discussion privately arranged.During which specific implementation, can when first terminal clicks the switching push button on MPTY interface, system shows key authentication input frame for user's input on MPTY interface, first terminal is after receiving the key of discussion privately that user inputs in key authentication input frame, the key of discussing privately user inputted mates with the key of discussion privately that this first terminal is arranged, if both are consistent, then first terminal is switched to and privately pattern is discussed.
Step S102, described key of discussing privately is sent to user place second terminal chosen by described first terminal, is entered by described second terminal and privately pattern is discussed according to discussing key described in receiving privately;
First terminal choose invite enter the second terminal use that pattern is discussed privately after, or first terminal be switched to privately discuss pattern time or after, system application record first terminal arrange this privately key is discussed, and this is discussed privately key by short message mode or other modes and is sent to first terminal and invites the second terminal use added.
Follow-up, the second terminal can enter according to the described key of discussion privately received and privately pattern is discussed.
Described second terminal enters according to the described key of discussion privately received the process that pattern is discussed privately can be as follows:
Second terminal receives the pattern switching command of user on described MPTY interface, according to described pattern switching command display key authentication input frame for user's input validation key.
After receiving the key of discussion privately that user inputs in described key authentication input frame, the key of discussing privately that user inputs by the second terminal mates with the key of discussion privately received from described first terminal, if both are consistent, then the second terminal switch is to privately pattern being discussed.
Embody rule scene is as follows:
When multidigit user uses mobile terminal to carry out in Multi-Party Conference process simultaneously, if wherein several users need to discuss privately with regard to certain topic.A user informs that in communication process everybody needs to discuss privately, and now this user is arranged by MPTY interface expansion button and privately key is discussed, and as the authentication secret discussed privately, and selects invitation to enter the user discussed privately.Voice procedure record this privately key is discussed, and by note this information is sent to and initiator is discussed privately invites the user added.
Step S103, under described discussion pattern privately, described first terminal with enter the second terminal that pattern is discussed privately and carry out point-to-point call.
For realizing allowing certain customers to discuss privately in MPTY process.This functional realiey need meet following condition:
When user enter privately discuss pattern time, speech data all can be sent to all MPTY terminals with corresponding cipher mark by the speech data sent by this terminal, other receiving terminals only have be in equally privately pattern is discussed and the terminal use that all has same password identify ability this really identify and play corresponding sound.Corresponding speech data will be directly abandoned after this condition then receives if do not met.
In like manner, privately pattern is discussed and the terminal of correct input validation password for being switched to, this Terminal Type during this period in only receive and just can carry out tone decoding to it with the speech data of corresponding cipher mark as noted earlier, all the other speech datas receive and all directly to abandon afterwards.
During specific implementation, for first terminal and the point-to-point call of the second terminal, described under discussion pattern privately, described first terminal with enter the second terminal that pattern is discussed privately carry out the process of point-to-point call can be as follows:
Under discussion pattern privately, privately key is discussed based on described, the speech data entering the second terminal that pattern is discussed privately described in waiting to pass to is encrypted by described first terminal, and generating cipher mark.
Afterwards, enter the second terminal that pattern is discussed privately described in the speech data after encryption sends to by described first terminal, described speech data carries described cipher mark.
Entering the second end side that pattern is discussed privately, second terminal is after the speech data receiving first terminal transmission, resolve this speech data, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then the second decoding terminals plays described speech data, realize in MPTY process thus, the point-to-point secret between first terminal and the second terminal is conversed.
Further, under discussion pattern privately, described first terminal with enter the second terminal that pattern is discussed privately and carry out can also comprising in the process of point-to-point call:
First terminal is receiving speech data, and described in the speech data that receives when not carrying described cipher mark, namely this speech data is have neither part nor lot in the third terminal discussed privately in multi-party communication system or have neither part nor lot in other second terminals discussed privately externally to send, then the described speech data received abandons by first terminal.
For the third terminal in multi-party communication system, discuss privately because it has neither part nor lot in, then third terminal continues to carry out normal MPTY in multi-party communication system, for the speech data with above-mentioned cipher mark received, then ignores, namely abandons.
In like manner, for the second terminal under discussion pattern privately, when sending speech data to first terminal, also privately key can be discussed based on described, will wait that the speech data passing to described first terminal is encrypted, and generating cipher mark; Speech data after encryption is sent to described first terminal, and described speech data carries described cipher mark; After receiving described speech data by described first terminal, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then first terminal plays described speech data.
The present embodiment, by such scheme, achieves and carry out point-to-point, point-to-multipoint secret call in MPTY process, meet the demand of user.And this invention simple possible, without the need to the PKI of other terminal that prestores before the call and the private key of the machine, but undertaken inputting the form realization of being matched by password by user in communication process.
As shown in Figure 5, second embodiment of the invention proposes a kind of multi-party communications method, and based on the embodiment shown in above-mentioned Fig. 3, the method, after above-mentioned steps S103, can also comprise:
Step S104, after described first terminal and the second terminal are discussed privately and terminated, described first terminal switches back MPTY pattern from pattern of discussing privately.
Compare above-described embodiment, the present embodiment also comprise point-to-point privately discuss terminate after, switch back the scheme of MPTY pattern.
Particularly, after the content discussed privately when everybody talks about end, can by this privately discussion activity initiator (first terminal) select to terminate this and discuss privately.Now other same in question users privately cut meeting MPTY pattern automatically, proceed MPTY.
Certainly, it will be appreciated by persons skilled in the art that point-to-point privately discuss terminate after, also can by under discussion pattern privately be invited to terminal (the second terminal) select terminate this discuss privately.Now other same in question users privately cut meeting MPTY pattern automatically, proceed MPTY.
The present embodiment is by such scheme, and in MPTY process, first terminal arranges and privately key is discussed on MPTY interface, chooses to invite to enter at least one user that pattern is discussed privately, and enters and privately pattern is discussed; First terminal is sent to discussing key privately user place second terminal chosen, and is entered by the second terminal and privately pattern is discussed according to discussing key described in receiving privately; Under discussion pattern privately, first terminal with enter the second terminal that pattern is discussed privately and carry out point-to-point call, thus achieve and carry out point-to-point, point-to-multipoint secret call in MPTY process, meet the demand of user.In addition, after the call of end secret, any terminal under secret call mode is with according to self actual needs, can selecting to terminate secret call, meeting the flexibility demand of secret call thus per family.Embodiment of the present invention scheme simple possible, without the need to the PKI of other terminal that prestores before the call and the private key of the machine, but is undertaken inputting the form realization of being matched by password by user in communication process.
Be exemplified below:
As shown in Figure 6, user A, B, C, D carry out MPTY together, and now A is arranged by MPTY interface expansion button and privately key is discussed and invites B to participate in.B, after receiving the note invitation comprising key information from A, selects to switch to and privately pattern is discussed and passes through key authentication.
Now A and B enters and privately pattern is discussed, and C and D continues to keep common MPTY pattern.
When there is discussion activity privately in MPTY, the terminal (i.e. C and D) being in MPTY if receive the speech data with key information, then directly ignores these data; Correspondingly, be in the terminal (i.e. A and B) of discussion activity privately if the speech data received except discussing key privately with this can carry out except normal process, all the other speech datas received all directly are ignored.
After A and B discusses privately and terminates, by A select to terminate this this discuss privately.Now A and B gets back in the MPTY talk between C, D together, and all user A and the B being in this MPTY of notifications get back to MPTY simultaneously.
Accordingly, embodiment of the present invention multi-party communication terminal is proposed.
As shown in Figure 7, present pre-ferred embodiments proposes a kind of multi-party communication terminal, described multi-party communication terminal place multi-party communication system comprises described terminal, at least one second terminal and at least one third terminal (can with reference to shown in Fig. 4), described multi-party communication terminal comprises: handover module 201, sending module 202 and call module 203, wherein:
Handover module 201, in MPTY process, MPTY interface is arranged and privately key is discussed, and chooses to invite to enter at least one user that pattern is discussed privately, and enters and privately pattern is discussed;
Sending module 202, for described key of discussing privately is sent to user place second terminal chosen, is entered by described second terminal privately pattern is discussed according to discussing key described in receiving privately;
Call module 203, under described discussion pattern privately, and enters the second terminal that pattern is discussed privately and carries out point-to-point call.
Further, described MPTY interface is provided with expansion button; Described handover module 201, also discusses key privately for being arranged by the described expansion button on MPTY interface.
Further, described call module 203, also under discussion pattern privately, discusses key privately based on described, is encrypted by the speech data entering the second terminal that pattern is discussed privately described in waiting to pass to, and generating cipher mark; Enter the second terminal that pattern is discussed privately described in being sent to by speech data after encryption, described speech data carries described cipher mark; Enter after the second terminal that pattern is discussed privately receives described speech data by described, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then plays described speech data.
Described call module 203, also under discussion pattern privately, receives speech data, and described in the speech data that receives when not carrying described cipher mark, the described speech data received is abandoned.
Particularly, in order to realize in MPTY process, in multi-party communication system, a certain terminal use is corresponding with other one or more terminal uses carries out point-to-point, point-to-multipoint secret telephone operation, the present embodiment is provided with expansion button on MPTY interface, privately pattern is discussed to be triggered by this expansion button.
Invite the second terminal in multi-party communication system to carry out point-to-point discussion privately (implementation of point-to-multipoint can realize with reference to this embodiment, only need relate to multiple second terminal) for first terminal, specific implementation is as follows:
First terminal is arranged by the expansion button on MPTY interface and privately key is discussed, and this discusses the communication key that key is discussed privately for first terminal and the second terminal privately.
In addition, while it will be appreciated by persons skilled in the art that first terminal discusses key privately by the setting of expansion button on MPTY interface, can also arrange and privately duration is discussed.
First terminal, after completing and privately the arranging of key being discussed, MPTY interface is chosen invite and is entered the second terminal use that pattern is discussed privately, and enters and privately pattern is discussed.
Enter privately discuss pattern time, the following two kinds implementation can be adopted:
The first implementation: after first terminal completes setting that key is discussed privately and chooses and invite and enter the second terminal use that pattern is discussed privately, first terminal directly switches to from current MPTY pattern and privately pattern is discussed by system application.
The second implementation: after first terminal completes setting that key is discussed privately and chooses and invite and enter the second terminal use that pattern is discussed privately, first terminal clicks corresponding switching push button on MPTY interface, is entered privately pattern is discussed by the key of discussion privately arranged.During which specific implementation, can when first terminal clicks the switching push button on MPTY interface, system shows key authentication input frame for user's input on MPTY interface, first terminal is after receiving the key of discussion privately that user inputs in key authentication input frame, the key of discussing privately user inputted mates with the key of discussion privately that this first terminal is arranged, if both are consistent, then first terminal is switched to and privately pattern is discussed.
First terminal choose invite enter the second terminal use that pattern is discussed privately after, or first terminal be switched to privately discuss pattern time or after, system application record first terminal arrange this privately key is discussed, and this is discussed privately key by short message mode or other modes and is sent to first terminal and invites the second terminal use added.
Follow-up, the second terminal can enter according to the described key of discussion privately received and privately pattern is discussed.
Described second terminal enters according to the described key of discussion privately received the process that pattern is discussed privately can be as follows:
Second terminal receives the pattern switching command of user on described MPTY interface, according to described pattern switching command display key authentication input frame for user's input validation key.
After receiving the key of discussion privately that user inputs in described key authentication input frame, the key of discussing privately that user inputs by the second terminal mates with the key of discussion privately received from described first terminal, if both are consistent, then the second terminal switch is to privately pattern being discussed.
Embody rule scene is as follows:
When multidigit user uses mobile terminal to carry out in Multi-Party Conference process simultaneously, if wherein several users need to discuss privately with regard to certain topic.A user informs that in communication process everybody needs to discuss privately, and now this user is arranged by MPTY interface expansion button and privately key is discussed, and as the authentication secret discussed privately, and selects invitation to enter the user discussed privately.Voice procedure record this privately key is discussed, and by note this information is sent to and initiator is discussed privately invites the user added.
For realizing allowing certain customers to discuss privately in MPTY process.This functional realiey need meet following condition:
When user enter privately discuss pattern time, speech data all can be sent to all MPTY terminals with corresponding cipher mark by the speech data sent by this terminal, other receiving terminals only have be in equally privately pattern is discussed and the terminal use that all has same password identify ability this really identify and play corresponding sound.Corresponding speech data will be directly abandoned after this condition then receives if do not met.
In like manner, privately pattern is discussed and the terminal of correct input validation password for being switched to, this Terminal Type during this period in only receive and just can carry out tone decoding to it with the speech data of corresponding cipher mark as noted earlier, all the other speech datas receive and all directly to abandon afterwards.
During specific implementation, for first terminal and the point-to-point call of the second terminal, described under discussion pattern privately, described first terminal with enter the second terminal that pattern is discussed privately carry out the process of point-to-point call can be as follows:
Under discussion pattern privately, privately key is discussed based on described, the speech data entering the second terminal that pattern is discussed privately described in waiting to pass to is encrypted by described first terminal, and generating cipher mark.
Afterwards, enter the second terminal that pattern is discussed privately described in the speech data after encryption sends to by described first terminal, described speech data carries described cipher mark.
Entering the second end side that pattern is discussed privately, second terminal is after the speech data receiving first terminal transmission, resolve this speech data, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then the second decoding terminals plays described speech data, realize in MPTY process thus, the point-to-point secret between first terminal and the second terminal is conversed.
Further, under discussion pattern privately, described first terminal with enter the second terminal that pattern is discussed privately and carry out can also comprising in the process of point-to-point call:
First terminal is receiving speech data, and described in the speech data that receives when not carrying described cipher mark, namely this speech data is have neither part nor lot in the third terminal discussed privately in multi-party communication system or have neither part nor lot in other second terminals discussed privately externally to send, then the described speech data received abandons by first terminal.
For the third terminal in multi-party communication system, discuss privately because it has neither part nor lot in, then third terminal continues to carry out normal MPTY in multi-party communication system, for the speech data with above-mentioned cipher mark received, then ignores, namely abandons.
In like manner, for the second terminal under discussion pattern privately, when sending speech data to first terminal, also privately key can be discussed based on described, will wait that the speech data passing to described first terminal is encrypted, and generating cipher mark; Speech data after encryption is sent to described first terminal, and described speech data carries described cipher mark; After receiving described speech data by described first terminal, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then first terminal plays described speech data.
The present embodiment, by such scheme, achieves and carry out point-to-point, point-to-multipoint secret call in MPTY process, meet the demand of user.And this invention simple possible, without the need to the PKI of other terminal that prestores before the call and the private key of the machine, but undertaken inputting the form realization of being matched by password by user in communication process.
Further, described call module 203, also for after discussing privately when described first terminal and the second terminal and terminating, switches back MPTY pattern from pattern of discussing privately.
Particularly, after the content discussed privately when everybody talks about end, can by this privately discussion activity initiator (first terminal) select to terminate this and discuss privately.Now other same in question users privately cut meeting MPTY pattern automatically, proceed MPTY.
Certainly, it will be appreciated by persons skilled in the art that point-to-point privately discuss terminate after, also can by under discussion pattern privately be invited to terminal (the second terminal) select terminate this discuss privately.Now other same in question users privately cut meeting MPTY pattern automatically, proceed MPTY.
The present embodiment is by such scheme, and in MPTY process, first terminal arranges and privately key is discussed on MPTY interface, chooses to invite to enter at least one user that pattern is discussed privately, and enters and privately pattern is discussed; First terminal is sent to discussing key privately user place second terminal chosen, and is entered by the second terminal and privately pattern is discussed according to discussing key described in receiving privately; Under discussion pattern privately, first terminal with enter the second terminal that pattern is discussed privately and carry out point-to-point call, thus achieve and carry out point-to-point, point-to-multipoint secret call in MPTY process, meet the demand of user.In addition, after the call of end secret, any terminal under secret call mode is with according to self actual needs, can selecting to terminate secret call, meeting the flexibility demand of secret call thus per family.Embodiment of the present invention scheme simple possible, without the need to the PKI of other terminal that prestores before the call and the private key of the machine, but is undertaken inputting the form realization of being matched by password by user in communication process.
With reference to shown in Fig. 4, the embodiment of the present invention also proposes a kind of multi-party communication system, and described multi-party communication system comprises first terminal, at least one second terminal and at least one third terminal; Wherein:
Described first terminal can for the terminal described in above-described embodiment;
Described at least one second terminal, for in the MPTY process of described first terminal, at least one second terminal and at least one third terminal, when receiving the key of discussion privately that described first terminal sends, enter privately pattern is discussed according to discussing key described in receiving privately; And under described discussion pattern privately, carry out point-to-point call with described first terminal;
Described at least one third terminal, for multi-party communication system in do not enter other second terminals that pattern is discussed privately and/or third terminal carries out MPTY.
Further, described second terminal, also for receiving the pattern switching command of user on described MPTY interface, according to described pattern switching command display key authentication input frame; Receive the key of discussion privately that user inputs in described key authentication input frame; The key of discussing privately user inputted mates with the key of discussion privately received from described first terminal, if both are consistent, are then switched to and privately pattern are discussed.
Further, described second terminal, also under discussion pattern privately, discusses key privately based on described, will wait that the speech data passing to described first terminal is encrypted, and generating cipher mark; Speech data after encryption is sent to described first terminal, and described speech data carries described cipher mark; After receiving described speech data by described first terminal, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then plays described speech data.
Further, described second terminal, also under discussion pattern privately, receives speech data, and described in the speech data that receives when not carrying described cipher mark, the described speech data received is abandoned;
Described third terminal, also for receiving speech data, and described in the speech data that receives when carrying cipher mark, the described speech data received is abandoned.
The present embodiment multi-party communication system realizes the general principle that secret that is point-to-point, point-to-multipoint is conversed in MPTY process, please refer to above-described embodiment, does not repeat them here.
Embodiment of the present invention multi-party communications method, terminal and system, in MPTY process, first terminal arranges and privately key is discussed on MPTY interface, chooses to invite to enter at least one user that pattern is discussed privately, and enters and privately pattern is discussed; First terminal is sent to discussing key privately user place second terminal chosen, and is entered by the second terminal and privately pattern is discussed according to discussing key described in receiving privately; Under discussion pattern privately, first terminal with enter the second terminal that pattern is discussed privately and carry out point-to-point call, thus achieve and carry out point-to-point, point-to-multipoint secret call in MPTY process, meet the demand of user.And this invention simple possible, without the need to the PKI of other terminal that prestores before the call and the private key of the machine, but undertaken inputting the form realization of being matched by password by user in communication process.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or device.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the device comprising this key element and also there is other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (15)

1. a multi-party communications method, is characterized in that, is applied to multi-party communication system, and described multi-party communication system comprises first terminal, at least one second terminal and at least one third terminal, and described method comprises:
In MPTY process, described first terminal arranges and privately key is discussed on MPTY interface, chooses to invite to enter at least one user that pattern is discussed privately, and enters and privately pattern is discussed;
Described key of discussing privately is sent to user place second terminal chosen by described first terminal, is entered by described second terminal and privately pattern is discussed according to discussing key described in receiving privately;
Under described discussion pattern privately, described first terminal with enter the second terminal that pattern is discussed privately and carry out point-to-point call.
2. method according to claim 1, is characterized in that, described MPTY interface is provided with expansion button, and described first terminal arranges the step that key is discussed privately and comprises on MPTY interface:
Described first terminal is arranged by the described expansion button on MPTY interface and privately key is discussed.
3. method according to claim 1, is characterized in that, described second terminal enters according to the described key of discussion privately received the step that pattern is discussed privately and comprises:
Described second terminal receives the pattern switching command of user on described MPTY interface, according to described pattern switching command display key authentication input frame;
Receive the key of discussion privately that user inputs in described key authentication input frame;
The key of discussing privately user inputted mates with the key of discussion privately received from described first terminal, if both are consistent, are then switched to and privately pattern are discussed.
4. the method according to any one of claim 1-3, is characterized in that, described under discussion pattern privately, described first terminal with enter the step that the second terminal that pattern is discussed privately carries out point-to-point call and comprise:
Under discussion pattern privately, privately key is discussed based on described, the speech data entering the second terminal that pattern is discussed privately described in waiting to pass to is encrypted by described first terminal, and generating cipher mark;
Described first terminal enters the second terminal that pattern is discussed privately described in being sent to by the speech data after encryption, and described speech data carries described cipher mark; Enter after the second terminal that pattern is discussed privately receives described speech data by described, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then plays described speech data.
5. method according to claim 4, is characterized in that, described under discussion pattern privately, described first terminal with enter the step that the second terminal that pattern is discussed privately carries out point-to-point call and also comprise:
Described first terminal is receiving speech data, and described in the speech data that receives when not carrying described cipher mark, the described speech data received is abandoned.
6. method according to claim 1, is characterized in that, described method also comprises:
After described first terminal and the second terminal are discussed privately and terminated, described first terminal switches back MPTY pattern from pattern of discussing privately.
7. a multi-party communication terminal, is characterized in that, described multi-party communication terminal place multi-party communication system comprises described terminal, at least one second terminal and at least one third terminal, and described terminal comprises:
Handover module, in MPTY process, MPTY interface is arranged and privately key is discussed, and chooses to invite to enter at least one user that pattern is discussed privately, and enters and privately pattern is discussed;
Sending module, for described key of discussing privately is sent to user place second terminal chosen, is entered by described second terminal privately pattern is discussed according to discussing key described in receiving privately;
Call module, under described discussion pattern privately, and enters the second terminal that pattern is discussed privately and carries out point-to-point call.
8. terminal according to claim 7, is characterized in that, described MPTY interface is provided with expansion button;
Described handover module, also discusses key privately for being arranged by the described expansion button on MPTY interface.
9. the terminal according to claim 7 or 8, is characterized in that,
Described call module, also under discussion pattern privately, discusses key privately based on described, is encrypted by the speech data entering the second terminal that pattern is discussed privately described in waiting to pass to, and generating cipher mark; Enter the second terminal that pattern is discussed privately described in being sent to by speech data after encryption, described speech data carries described cipher mark; Enter after the second terminal that pattern is discussed privately receives described speech data by described, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then plays described speech data.
10. terminal according to claim 9, is characterized in that,
Described call module, also under discussion pattern privately, receives speech data, and described in the speech data that receives when not carrying described cipher mark, the described speech data received is abandoned.
11. terminals according to claim 10, is characterized in that,
Described call module, also for after discussing privately when described first terminal and the second terminal and terminating, switches back MPTY pattern from pattern of discussing privately.
12. 1 kinds of multi-party communication systems, is characterized in that, described multi-party communication system comprises first terminal, at least one second terminal and at least one third terminal; Wherein:
The terminal of described first terminal according to any one of claim 7-11;
Described at least one second terminal, for in the MPTY process of described first terminal, at least one second terminal and at least one third terminal, when receiving the key of discussion privately that described first terminal sends, enter privately pattern is discussed according to discussing key described in receiving privately; And under described discussion pattern privately, carry out point-to-point call with described first terminal;
Described at least one third terminal, for multi-party communication system in do not enter other second terminals that pattern is discussed privately and/or third terminal carries out MPTY.
13. systems according to claim 12, is characterized in that,
Described second terminal, also for receiving the pattern switching command of user on described MPTY interface, according to described pattern switching command display key authentication input frame; Receive the key of discussion privately that user inputs in described key authentication input frame; The key of discussing privately user inputted mates with the key of discussion privately received from described first terminal, if both are consistent, are then switched to and privately pattern are discussed.
14. systems according to claim 12, is characterized in that,
Described second terminal, also under discussion pattern privately, discusses key privately based on described, will wait that the speech data passing to described first terminal is encrypted, and generating cipher mark; Speech data after encryption is sent to described first terminal, and described speech data carries described cipher mark; After receiving described speech data by described first terminal, extract the cipher mark in described speech data, the cipher mark of extraction and the local key of discussion privately stored are mated, if unanimously, then plays described speech data.
15. systems according to claim 12, is characterized in that,
Described second terminal, also under discussion pattern privately, receives speech data, and described in the speech data that receives when not carrying described cipher mark, the described speech data received is abandoned;
Described third terminal, also for receiving speech data, and described in the speech data that receives when carrying cipher mark, the described speech data received is abandoned.
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