CN104135370B - Communication means, communication system and communication terminal - Google Patents
Communication means, communication system and communication terminal Download PDFInfo
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- CN104135370B CN104135370B CN201410378089.5A CN201410378089A CN104135370B CN 104135370 B CN104135370 B CN 104135370B CN 201410378089 A CN201410378089 A CN 201410378089A CN 104135370 B CN104135370 B CN 104135370B
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Abstract
The invention discloses a kind of communication means, communication system and communication terminal, described communication means comprises step: at least three communication terminals are set up call and connected; Communication terminal as transmitting terminal gathers voice messaging, obtains key, and is encrypted by voice messaging described in described double secret key; Communication terminal as transmitting terminal outwards sends the voice messaging after encryption, and sends described key at least one communication terminal in other communication terminal; The communication terminal receiving described key is decrypted by the voice messaging after this key pair encryption and obtains cleartext information, the communication terminal not receiving key then cannot obtain cleartext information, thus in many people communication process, achieve directed call function that is point-to-point or one-to-many, meet the orientation call demand in the many people's calls of user.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of communication means, communication system and communication terminal.
Background technology
Existing communication terminal has many people call function, many people can be set up with other multiple terminal to converse, in many people communication process, although each terminal use is positioned at different places, but 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 want, with specific one or multiple terminal use, some problems are discussed privately, in order to avoid affect other terminal use or prevent other terminal use from having heard private information.But existing many people call method still can not realize this point, namely in the prior art, still can not realize directed call in many people communication process, the demand of user's orientation call cannot be met.
Summary of the invention
Main purpose of the present invention is to provide a kind of communication means, communication system and communication terminal, is intended to the function realizing directed call in many people communication process, meets the demand of user's orientation call.
To achieve these objectives, the present invention proposes a kind of communication means, comprises step:
At least three communication terminals are set up call and are connected;
Communication terminal as transmitting terminal gathers voice messaging, obtains key, and is encrypted by voice messaging described in described double secret key;
Communication terminal as transmitting terminal outwards sends the voice messaging after encryption, and sends described key at least one communication terminal in other communication terminal;
The communication terminal receiving described key is decrypted by the voice messaging after this key pair encryption.
Preferably, described acquisition key comprises: the key obtaining key or the stochastic generation preset.
Preferably, describedly send described key at least one communication terminal in other communication terminal and comprise:
Described key is sent at least one communication terminal in other communication terminal by short message.
Preferably, the described communication terminal as transmitting terminal also comprises before gathering the step of voice messaging:
Communication terminal as transmitting terminal selects at least one communication terminal according to operational order from other communication terminal;
Using the key sending object of the communication terminal of selection as subsequent step.
The present invention proposes a kind of communication system simultaneously, comprises at least three communication terminals establishing call and connect, wherein:
When described communication terminal is as transmitting terminal, for gathering voice messaging, obtaining key, and being encrypted by voice messaging described in described double secret key, voice messaging after outside transmission encryption, and send described key at least one communication terminal in other communication terminal;
When described communication terminal is as receiving terminal, for receiving the voice messaging after key and encryption, and be decrypted by the voice messaging after the key pair encryption that receives.
Preferably, described communication terminal is used for: the key obtaining key or the stochastic generation preset.
Preferably, described communication terminal is used for: send described key by short message.
The present invention also proposes a kind of communication terminal, comprises voice acquisition module, Key Acquisition Module, key transceiver module, encryption/decryption module and communication module, wherein:
Voice acquisition module, for gathering voice messaging;
Key Acquisition Module, for obtaining key;
Key transceiver module, for sending at least one communication terminal in other communication terminal the key obtained, receives the key that other communication terminal sends;
Encryption/decryption module, the voice messaging for the double secret key collection by obtaining is encrypted, and the encrypted speech information received by the double secret key received is decrypted;
Communication module, is connected for setting up to converse with other communication terminal, and sends and receiving speech information.
Preferably, described Key Acquisition Module is used for: the key obtaining key or the stochastic generation preset.
Preferably, described key transceiver module is used for: sent the key obtained by short message.
A kind of communication means provided by the present invention, by the communication terminal as transmitting terminal, the voice messaging gathered is encrypted, and specific communication terminal sends key in other communication terminal, specific communication terminal is made to be decrypted by the key pair encryption voice messaging received and to obtain cleartext information, the communication terminal not receiving key then cannot obtain cleartext information, thus in many people communication process, achieve directed call function that is point-to-point or one-to-many, meet the orientation call demand of user, and without the need to handoff calls link, therefore conversation delay can not be caused.
Accompanying drawing explanation
Fig. 1 is the flow chart of communication means first embodiment of the present invention;
Fig. 2 is the flow chart of communication means second embodiment of the present invention;
Fig. 3 is the structured flowchart that communication system of the present invention unifies embodiment;
Fig. 4 is the structured flowchart of communication terminal one embodiment of the present invention.
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 communication means of the present embodiment is applicable to many people call, is particularly useful for the scene of many people videoconference.
See Fig. 1, propose communication means first embodiment of the present invention, described communication means comprises the following steps:
Step S101: communication terminal A, B, C set up call and connect
The present embodiment carries out conversing for three communication terminals simultaneously.
Step S102: communication terminal A determines that directed conversation object is communication terminal B
Concrete, when communication terminal A is as transmitting terminal, according to user operation instruction, as selected communication terminal B by pressing specific keys or the image of clicking terminal use in video calling from communication terminal B and C, determine that communication terminal B is directed conversation object.
Step S103: communication terminal A gathers voice messaging, and obtains the key preset, and the voice messaging gathered by this double secret key is encrypted
Key in the present embodiment pre-sets and is stored in communication terminal A, and communication terminal A directly obtains key and is encrypted from memory cell.
Step S104: communication terminal A to communication terminal B sends key, and outwards sends the voice messaging after encryption
Communication terminal A can pass through the mode such as short message, Flash information and send key to directed conversation object communication terminal B.In certain embodiments, communication terminal A can send key to communication terminal B while acquisition key.
Connect because communication terminal A, B, C three establishes call, therefore communication terminal A issues the voice messaging after encryption to communication terminal B and C simultaneously.
Step S105: communication terminal B receives the voice messaging after key and encryption, and is decrypted by double secret key voice messaging
Voice messaging after communication terminal B utilizes the key pair encryption received is decrypted, and obtains cleartext information.Meanwhile, although after communication terminal C also have received the voice messaging after encryption, owing to not receiving key, therefore cleartext information cannot be obtained to its deciphering.Thus in many people communication process, achieve the function of point-to-point orientation call, without the need to handoff calls link, can not conversation delay be caused.
In like manner, three communication terminals can adopt above-mentioned cipher mode, realize conversing separately between two arbitrarily.
See Fig. 2, propose communication means second embodiment of the present invention, described communication means comprises the following steps:
Step S201: communication terminal A, B, C, D, E set up call and connect
The present embodiment carries out conversing for five communication terminals simultaneously.
Step S202: communication terminal B determines that directed conversation object is communication terminal C and D
Concrete, when communication terminal B is as transmitting terminal, according to user operation instruction, as selected communication terminal C and D by pressing specific keys or the image of clicking terminal use in video calling from communication terminal A, C and D, determine that communication terminal C and D is directed conversation object.
Step S203: communication terminal B gathers voice messaging, and obtains the key of stochastic generation, and the voice messaging gathered by this double secret key is encrypted
In the present embodiment, communication terminal B is according to the random code stochastic generation key preset, and namely during each directed call, key is not identical, thus is not easily cracked by third party's interception.
Step S204: communication terminal B to communication terminal C and D sends key, and outwards sends the voice messaging after encryption
Communication terminal B can pass through the mode such as short message, Flash information and send key to directed conversation object communication terminal C and D.In certain embodiments, communication terminal B can send key to communication terminal C and D while acquisition key.
Connect because communication terminal A, B, C, D, E establish call, therefore communication terminal B issues the voice messaging after encryption to communication terminal A, C, D and E simultaneously.
Step S205: communication terminal C and D receives the voice messaging after key and encryption, and is decrypted by double secret key voice messaging
Voice messaging after communication terminal C and D utilizes the key pair encryption received is decrypted, and obtains cleartext information.Meanwhile, although communication terminal A and E also have received the voice messaging after encryption, owing to not receiving key, therefore cleartext information cannot be obtained to its deciphering.Thus in many people communication process, achieve the function of one-to-many orientation call.
When communication terminal needs voice messaging to send to all communication terminals setting up call connection, then the voice messaging gathered is not encrypted, directly to outer transmission.Or in order to prevent dialog context from leaking, public keys also can be utilized to be encrypted, and other communication terminal then utilizes public keys to be decrypted.
Cipher mode in previous embodiment can be symmetric cryptography, and namely encryption key is identical with decruption key; Also can be asymmetric encryption, namely encryption key be different with decruption key.
See Fig. 3, propose communication system of the present invention and unify embodiment, described communication system comprises communication terminal 1 ~ communication terminal n, and n is more than or equal to 3, and each communication terminal is set up call and connected.
When communication terminal is as transmitting terminal, for gathering voice messaging, obtain key, and be encrypted by the voice messaging that double secret key gathers, voice messaging after outside transmission encryption, and send key, to realize to specific communication terminal directive sending voice messaging at least one communication terminal in other communication terminal.
Concrete, communication terminal is according to user operation instruction, as by pressing specific keys or click in video calling terminal use image come from other communication terminal select one, two or more communication terminal, and determine select communication terminal be directed conversation object.
In certain embodiments, pre-set and store key in communication terminal, communication terminal directly obtains key and is encrypted from memory cell.In further embodiments, communication terminal is according to the random code stochastic generation key preset, and namely during each directed call, key is not identical, thus is not easily cracked by third party's interception.
Communication terminal while acquisition key, namely can send this key to directed conversation object.Communication terminal can send key by modes such as short message, Flash information.
When communication terminal is as receiving terminal, for receiving speech information and key, and be decrypted by the voice messaging after the key pair encryption that receives, obtain cleartext information, to realize the voice messaging receiving other communication terminal directive sending.
It should be noted that, the technical characteristic in said method embodiment is all corresponding applicable at native system, no longer repeats here.
Accordingly, communication system of the present invention, when wherein arbitrary communication terminal is as transmitting terminal, by being encrypted the voice messaging gathered, and specific communication terminal sends key in other communication terminal, specific communication terminal is made to be decrypted by the key pair encryption voice messaging received and to obtain cleartext information, the communication terminal not receiving key then cannot obtain cleartext information, thus in many people communication process, achieve directed call function that is point-to-point or one-to-many, and without the need to handoff calls link, therefore can not conversation delay be caused.
See Fig. 4, propose communication terminal one embodiment of the present invention, described communication terminal comprises voice acquisition module, Key Acquisition Module, key transceiver module, encryption/decryption module and communication module.
Voice acquisition module: for gathering voice messaging, and send to encryption/decryption module.
Key Acquisition Module: for obtaining key, and send to key transceiver module and encryption/decryption module the key obtained.
Concrete, Key Acquisition Module is according to user operation instruction, as selected one or more communication terminal by pressing specific keys or the image of clicking terminal use in video calling from the communication terminal setting up call connection, determine that the communication terminal selected is directed conversation object, and obtain key, send to key transceiver module the directed conversation object determined simultaneously.
In certain embodiments, pre-set in the memory cell of communication terminal and store key, Key Acquisition Module directly obtains key from memory cell.
In further embodiments, Key Acquisition Module is according to the random code stochastic generation key preset, and namely during each directed call, key is not identical, thus is not easily cracked by third party's interception.
Key transceiver module: for sending at least one communication terminal in other communication terminal the key obtained; Receive the key that other communication terminal sends, and send to encryption/decryption module.
Concrete, after the key that key transceiver module receives acquisition and directed conversation object, sent the key obtained immediately to directed conversation object by the mode such as short message, Flash information.Key transceiver module also receives the key that other communication terminal sends.
Encryption/decryption module: the voice messaging for the double secret key collection by obtaining is encrypted, and send the voice messaging after encryption to communication module; The encrypted speech information received by the double secret key received is decrypted.
Communication module: be connected for setting up to converse with other communication terminal, and send and receiving speech information.When the voice messaging received is enciphered message, then encryption/decryption module is sent to be decrypted operation.Or whether the voice messaging no matter received is enciphered message, all sends to encryption/decryption module, by encryption/decryption module whether this information is encrypted and judge, and then select whether be decrypted operation.
Thus, communication terminal of the present invention, when as transmitting terminal, the voice messaging gathered is encrypted, and specific communication terminal sends key in other communication terminal, voice messaging after making the communication terminal receiving key can crack encryption, achieves or one-to-many directive sending voice messaging point-to-point when many people converse; When as receiving terminal, if receive key and the encrypted speech information of the transmission of other communication terminal, then this encrypted speech information of double secret key received can be utilized to be decrypted, to realize directional reception voice messaging.Finally achieve directed call function that is point-to-point in many people's calls or one-to-many, and without the need to handoff calls link, can not conversation delay be caused.
One of ordinary skill in the art will appreciate that, realize the hardware that all or part of step in above-described embodiment method can control to be correlated with by program to complete, described program can be stored in a computer read/write memory medium, and described storage medium can be ROM/RAM, disk, CD etc.
Should be understood that; these are only the preferred embodiments of the present invention; can not therefore limit the scope of the claims of the present invention; 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 (9)
1. a communication means, is characterized in that, comprises step:
At least three communication terminals are set up call and are connected;
As the communication terminal of transmitting terminal, the operational order according to pressing specific keys or the image of clicking a certain terminal use in video calling selects at least one communication terminal as directed conversation object from other communication terminal;
Communication terminal as transmitting terminal gathers voice messaging, obtains key, and is encrypted by voice messaging described in described double secret key;
Communication terminal as transmitting terminal outwards sends the voice messaging after encryption, and sends described key to the communication terminal as described directed conversation object;
The communication terminal receiving described key is decrypted by the voice messaging after this key pair encryption, and the communication terminal not receiving described key then cannot be decrypted.
2. communication means according to claim 1, is characterized in that, described acquisition key comprises:
Obtain the key of key or the stochastic generation preset.
3. communication means according to claim 1, is characterized in that, describedly sends described key to the communication terminal as described directed conversation object and comprises:
Described key is sent to the communication terminal as described directed conversation object by short message.
4. a communication system, is characterized in that, comprises at least three communication terminals establishing call and connect, wherein:
When described communication terminal is as transmitting terminal, for selecting at least one communication terminal as directed conversation object from other communication terminal according to the operational order of pressing specific keys or the image of clicking a certain terminal use in video calling, gather voice messaging, obtain key, and be encrypted by voice messaging described in described double secret key, voice messaging after outside transmission encryption, and send described key to the communication terminal as described directed conversation object, the communication terminal not receiving described key cannot be decrypted the voice messaging after described encryption,
When described communication terminal is as receiving terminal, for receiving the voice messaging after key and encryption, and be decrypted by the voice messaging after the key pair encryption that receives.
5. communication system according to claim 4, is characterized in that, described communication terminal is used for: the key obtaining key or the stochastic generation preset.
6. the communication system according to claim 4 or 5, is characterized in that, described communication terminal is used for: send described key by short message.
7. a communication terminal, is characterized in that, comprises voice acquisition module, Key Acquisition Module, key transceiver module, encryption/decryption module and communication module, wherein:
Voice acquisition module, for gathering voice messaging;
Key Acquisition Module, for selecting at least one communication terminal as directed conversation object from other communication terminal according to the operational order of pressing specific keys or the image of clicking a certain terminal use in video calling, and obtains key;
Key transceiver module, for sending to the communication terminal as described directed conversation object the key obtained, receives the key that other communication terminal sends;
Encryption/decryption module, the voice messaging for the double secret key collection by obtaining is encrypted, and the communication terminal not receiving described key cannot be decrypted the voice messaging after encryption; The encrypted speech information received by the double secret key received is decrypted;
Communication module, is connected for setting up to converse with other communication terminal, and sends and receiving speech information.
8. communication terminal according to claim 7, is characterized in that, described Key Acquisition Module is used for: the key obtaining key or the stochastic generation preset.
9. the communication terminal according to claim 7 or 8, is characterized in that, described key transceiver module is used for: sent the key obtained by short message.
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| CN201410378089.5A CN104135370B (en) | 2014-08-01 | 2014-08-01 | Communication means, communication system and communication terminal |
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| CN201410378089.5A CN104135370B (en) | 2014-08-01 | 2014-08-01 | Communication means, communication system and communication terminal |
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| CN104135370B true CN104135370B (en) | 2016-03-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105812384A (en) * | 2016-04-29 | 2016-07-27 | 宇龙计算机通信科技(深圳)有限公司 | Communication method and system |
| CN108270904A (en) * | 2016-12-30 | 2018-07-10 | 展讯通信（上海）有限公司 | The method, apparatus of safety call and mostly logical terminal are realized in multi-party call |
| CN110177233B (en) * | 2018-10-24 | 2022-03-01 | 广东小天才科技有限公司 | Video transmission method for protecting user privacy and wearable device |
| CN109639738B (en) * | 2019-01-30 | 2021-06-04 | 维沃移动通信有限公司 | Voice data transmission method and terminal equipment |
| CN114173328B (en) * | 2021-12-06 | 2024-09-03 | 中国电信股份有限公司 | Key exchange method and device and electronic equipment |
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| CN102932565A (en) * | 2012-10-09 | 2013-02-13 | 大唐移动通信设备有限公司 | Internet-based communication method and communication terminal |
| CN103096304A (en) * | 2011-11-08 | 2013-05-08 | 深圳市中诺通讯股份有限公司 | Method for encryption and decryption of secure voice tendencies of internet protocol (IP) network communication terminal |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103096304A (en) * | 2011-11-08 | 2013-05-08 | 深圳市中诺通讯股份有限公司 | Method for encryption and decryption of secure voice tendencies of internet protocol (IP) network communication terminal |
| CN102932565A (en) * | 2012-10-09 | 2013-02-13 | 大唐移动通信设备有限公司 | Internet-based communication method and communication terminal |
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Address after: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 floor 10 Applicant after: Nubian Technologies Ltd. Address before: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 floor 10 Applicant before: Shenzhen ZTE Mobile Tech Co., Ltd. |
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