CN107147491A - A kind of cipher key service framework communicated based on multiple terminals and distribution method - Google Patents
A kind of cipher key service framework communicated based on multiple terminals and distribution method Download PDFInfo
- Publication number
- CN107147491A CN107147491A CN201710402478.0A CN201710402478A CN107147491A CN 107147491 A CN107147491 A CN 107147491A CN 201710402478 A CN201710402478 A CN 201710402478A CN 107147491 A CN107147491 A CN 107147491A
- Authority
- CN
- China
- Prior art keywords
- key
- client
- cipher
- service system
- session
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
Abstract
A kind of cipher key service framework and method for distributing key communicated based on multiple terminals, including cipher key service system be provided with some personal key storage spaces, each client can access each self-corresponding personal key memory space, it is impossible to access the personal key memory space of other clients；The cipher key service system is additionally provided with client online management server, and the client online management server is used to monitoring client and whether is in on-line joining process state, and to the client push session key in presence.Compared with prior art, the present invention is only with packet data session key cipher mode, the purpose of multi-party client communication safety can be achieved, while it also avoid requirement of the one-packet key to QKD system high standard, quantum cryptography communication is applied to extensive multi-party communication occasion well；The present invention ensures that participant can fast and accurately receive session key, improves the security and efficiency of communication.
Description
Technical field
The present invention relates to safety communication technology field, more particularly to a kind of cipher key service framework communicated based on multiple terminals and
Distribution method.
Background technology
With a wide range of popularization of internet, the information transmission between the mankind has reached unprecedented quantity and frequency,
Various privacy informations expose on the internet more and more, and therefore, the mankind have also arrived unprecedented to the demand of secret communication
Height.The cipher mode of present internet information safety is referred to as " public-key cryptography " cryptosystem, and its principle is by encryption
The public-key cryptography propagated on algorithm, generation network, and the private key of computer-internal is stayed in, two keys must coordinate and make
With complete encryption and decryption processes could be realized.
The encryption standard that modern the Internet is used is the RSA Algorithm being born 1970s, i.e., using matter several greatly because
Son, which is decomposed, to be difficult to calculate to ensure the security of key.
It is that physicist Bennett in 1984 and cryptologist Brassard are proposed based on quantum force to transmit encryption key distribution
The BB84 agreements of measuring principle are learned, transmission encryption key distribution can fundamentally ensure that the security of key.
At present, in Data Encryption Techniques field, the netkey generating rate based on QKD is relatively low, is difficult to realize a bag one
Close requirement；In addition, the key obtained from QKD networks can only be shared between two adjacent nodes, it is impossible on a large scale should
For the occasion of multi-party communication, the development communicated to quantum cryptography causes very big limitation.
The content of the invention
Present invention aims at a kind of key dispatching system communicated based on multiple terminals and method is provided, to solve existing skill
The netkey generating rate based on QKD is relatively low in art, is difficult to realize the requirement of one-packet key；In addition, being obtained from QKD networks
Key can only be shared between two adjacent nodes, it is impossible to large-scale application is in the occasion of multi-party communication, to quantum cryptography
The development of communication causes the technical bug of very big limitation.
The technical proposal of the invention is realized in this way：
A kind of cipher key service framework communicated based on multiple terminals, including：Cipher key service system, the cipher key service system is set
The central transmission key distrbutor of shared transmission key can be generated with client, can generate the session key point of session key by being equipped with
Orchestration and the cipher key service system are the personal key memory space that each client is distributed, and each described client is equal
Each self-corresponding personal key memory space can be accessed, it is impossible to access the personal key memory space of other clients；
Client, the client is respectively arranged with client transmissions key distrbutor, the client transmissions key point
Orchestration can generate shared transmission key with central transmission key distrbutor；
The cipher key service system is connected by classical channel with client, and the classical channel is transmitted for session key
Distribution, the central transmission key distrbutor is connected by channel with client transmissions key distrbutor, the cipher key service system
System is additionally provided with client online management server, and the client online management server is used to monitor whether client is in
On-line joining process state, and to the client push session key in presence.
Preferably, each client is respectively arranged with cipher key cache device, and the cipher key cache device is used for visitor when will be online
Family end pushes the session key come and preserved.
Preferably, the cipher key service system also includes transmission key storage service device, the transmission key storage service
Device is used to store the shared transmission key of each client.
Preferably, quantum-key distribution device centered on the central transmission key distrbutor of the cipher key service system, described
The client transmissions key distrbutor that client is set is client quantum-key distribution device, the center quantum-key distribution device
Shared quantum key can be generated with client quantum-key distribution device.
Preferably, the client includes voice terminal, video terminal, mail terminal.
It is including following present invention also offers a kind of method for distributing key of the cipher key service framework communicated based on multiple terminals
Step：
1) shared transmission key is generated：Pass through the client transmissions key distrbutor of client and cipher key service system
The shared transmission key of central transmission key distrbutor generation；
2) shared transmission key is managed：Shared transmission key synchronization to cipher key service system is managed；
3) session key is created：Session initiator client creates meeting to the application of cipher key service system according to specified parameter
Talk about after key, session key distribution device starts as the conversation establishing session key；
4) storage of session key：Cipher key service system is that each client distributes a fixed size or on-fixed
The personal key memory space of size, the personal key storage of session key storage to sessions participant's client after establishment is empty
Between in；
5) transmission of session key：Whether taken by client online management whois lookup participant client with key
Business system on-line joining process, if on-line joining process, by transmission key encryption side of the session key using correspondence participant's client
Formula is pushed to participant's client；If participant's client is no and cipher key service system sets up on-line joining process, cipher key service
Key will not be pushed to the client by system in real time, and after the client reaches the standard grade connection, cipher key service system is again by this
A little keys push to participant's client.
Preferably, session key transmit during, client can active it is close to cipher key service system request session
Key, cipher key service system judges whether the client is that participant determines push conversation key.
Preferably, step 3) in the parameter specified include other participants in session, the length of single key, key and carry
The pattern of confession, the offer speed of key.
Preferably, the client includes voice terminal, video terminal, mail terminal.
Compared with prior art, the present invention has following beneficial effect：
The cipher key service framework communicated based on multiple terminals and distribution method of the present invention, is obtained by cipher key service system
Each client transmissions key, then by way of the transmission key is to session key, cipher key service system is by passing
Session key is distributed to the client for needing to participate in communication by the mode of defeated key encrypted session key, and packet only needs to meeting
Key encryption is talked about, the purpose of multi-party client communication is realized, the present invention not only ensures multi-party communication absolute safety, also kept away
Requirement of the one-packet key to QKD system high standard is exempted from, quantum cryptography communication is applied to extensive multi-party communication well
Close；In addition, the present invention is assigned with personal key memory space with not online situation online according to participant, it is ensured that participant
Session key can be fast and accurately received, the security and efficiency of communication is improved.
Brief description of the drawings
The theory diagram for the cipher key service framework that Fig. 1 is communicated for the present invention based on multiple terminals；
Fig. 2 is the flow chart of method for distributing key of the present invention.
In figure：Cipher key service system 100, central transmission key distrbutor 101, session key distribution device 102, personal key
Memory space 103, client online management server 104, transmission key storage service device 105, client 200, client is passed
Defeated key distrbutor 201, cipher key cache device 202.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the present invention is clearly and completely described.
As shown in figure 1, a kind of cipher key service framework communicated based on multiple terminals, including：Cipher key service system 100, it is described
Cipher key service system 100 be provided with can be generated with client 200 shared transmission key central transmission key distrbutor 101,
It can generate what the session key distribution device 102 and the cipher key service system 100 of session key distributed for each client
Personal key memory space 103, the personal key memory space 103 is fixed size or on-fixed size, works as client
200 as sessions participant when, the corresponding personal key memory space 103 of the client 200 be used for store close during this session
The session key that key service system 100 is created, meanwhile, personal key memory space 103 is also by the shared biography of correspondence client 200
Including defeated key storage, each described client 200 can access each self-corresponding personal key memory space 103, it is impossible to visit
Ask the personal key memory space 103 of other clients 200；
Client 200, the client 200 is respectively arranged with client transmissions key distrbutor 201, and the client is passed
Defeated key distrbutor 201 can generate shared transmission key, the shared transmission key with central transmission key distrbutor 101
Session key between correspondence client 200 and cipher key service system 100 is served only for use；
The cipher key service system 100 is connected by classical channel with client 200, and it is close that the classical channel is used for session
Key transmission distribution, the central transmission key distrbutor 101 is connected by channel with client transmissions key distrbutor 201, institute
State cipher key service system 100 and be additionally provided with client online management server 104, the client online management server 104
Whether on-line joining process state is in, and close to the push conversation of client 200 in presence for monitoring client 200
Key.
Each client 200 is respectively arranged with cipher key cache device 202, and the cipher key cache device 202 is used for when will be online
The session key that client push comes is preserved, the session key of preservation can be used for multiple times, it is to avoid same client
Communication needs to re-create the defect of session key between 200.
The cipher key service system 100 also includes transmission key storage service device 105, the transmission key storage service device
105 are used to store the shared transmission key of each client 200, wherein, shared transmission key can also be temporarily stored in corresponding
In personal key memory space 103.
Quantum-key distribution device centered on the central transmission key distrbutor 101 of the cipher key service system 100, the visitor
The client transmissions key distrbutor 201 that family end 200 is set is client quantum-key distribution device, the center quantum key point
Orchestration 101 can generate shared quantum key with client quantum-key distribution device 201.
The client 200 includes voice terminal, video terminal, mail terminal.
As shown in Fig. 2 present invention also offers a kind of encryption key distribution side of the cipher key service framework communicated based on multiple terminals
Method, comprises the following steps：
1) shared transmission key is generated：Pass through the client transmissions key distrbutor of client and cipher key service system
The shared transmission key of central transmission key distrbutor generation；
2) shared transmission key is managed：Shared transmission key synchronization to cipher key service system is managed；
3) session key is created：Session initiator client creates meeting to the application of cipher key service system according to specified parameter
Talk about after key, session key distribution device starts as the conversation establishing session key；
4) storage of session key：Cipher key service system is that each client distributes a fixed size or on-fixed
The personal key memory space of size, the personal key storage of session key storage to sessions participant's client after establishment is empty
Between in；
5) transmission of session key：Whether taken by client online management whois lookup participant client with key
Business system on-line joining process, if on-line joining process, by transmission key encryption side of the session key using correspondence participant's client
Formula is pushed to participant's client；If participant's client is no and cipher key service system sets up on-line joining process, cipher key service
Key will not be pushed to the client by system in real time, and after the client reaches the standard grade connection, cipher key service system is again by this
A little keys push to participant's client.
Step 5) in session key transmission be divided into application and non real-time application in real time, application is such as video council in real time
View, and video conference participants should all be online situation, but subparticipation person is also not excluded for because some reason is not online
Situation.It is different for communication mode and non real-time application is not necessarily online if the participant of Email, step 5) use
It is above-mentioned to push mode with online key online.
During session key is transmitted, client can active to cipher key service system request session key, key
Service system judge the client whether be participant determine push conversation key, so can also make omission participant obtain with
The remedial measure of meeting.
Step 3) in the parameter specified includes other participants in session, the length of single key, key are provided mould
Formula, the offer speed of key.
The client includes voice terminal, video terminal, mail terminal.
The structure of the comprehensive present invention understands with principle, the cipher key service framework of the invention communicated based on multiple terminals and point
Method of completing the square, each client transmissions key is obtained by cipher key service system, and then session key is added by the transmission key
Session key is distributed to needs by way of transmitting key encrypted session key and participates in logical by close mode, cipher key service system
The client of letter, and packet only needs to session key, realizes the purpose of multi-party client communication, the present invention is not only
Ensure multi-party communication absolute safety, it also avoid requirement of the one-packet key to QKD system high standard, make quantum cryptography communication very
Good is applied to extensive multi-party communication occasion；In addition, the present invention is assigned with not online situation online according to participant
People's key storage space, it is ensured that participant can fast and accurately receive session key, improve communication security and
Efficiency.
Claims (9)
1. a kind of cipher key service framework communicated based on multiple terminals, it is characterised in that including：
Cipher key service system, the cipher key service system is provided with can be close with the shared central transmission for transmitting key of client generation
Key distributor, the session key distribution device that can generate session key and the cipher key service system are that each client is distributed
Personal key memory space, each described client can access each self-corresponding personal key memory space, it is impossible to access
The personal key memory space of other clients；
Client, the client is respectively arranged with client transmissions key distrbutor, the client transmissions key distrbutor
Shared transmission key can be generated with central transmission key distrbutor；
The cipher key service system is connected by classical channel with client, and the classical channel is used for session key transmission point
Match somebody with somebody, the central transmission key distrbutor is connected by channel with client transmissions key distrbutor, the cipher key service system
Client online management server is additionally provided with, the client online management server is used to monitor whether client is in
Line connection status, and to the client push session key in presence.
2. the cipher key service framework as claimed in claim 1 communicated based on multiple terminals, it is characterised in that each client point
It is not provided with cipher key cache device, the cipher key cache device, which is used for the session key that client push when will be online comes, to be protected
Deposit.
3. the cipher key service framework as claimed in claim 2 communicated based on multiple terminals, it is characterised in that the cipher key service system
System also includes transmission key storage service device, and the transmission key storage service device is used to store the shared transmission of each client
Key.
4. the cipher key service framework as claimed in claim 3 communicated based on multiple terminals, it is characterised in that the cipher key service system
Quantum-key distribution device centered on the central transmission key distrbutor of system, the client transmissions encryption key distribution that the client is set
Device is client quantum-key distribution device, and the center quantum-key distribution device can be generated altogether with client quantum-key distribution device
The quantum key enjoyed.
5. the cipher key service framework communicated based on multiple terminals as described in any in claim 1-4, it is characterised in that the visitor
Family end includes voice terminal, video terminal, mail terminal.
6. a kind of encryption key distribution side of the cipher key service framework communicated based on multiple terminals based on any one of claim 1-5
Method, it is characterised in that comprise the following steps：
1) shared transmission key is generated：Client transmissions key distrbutor and the center of cipher key service system by client
Transmit the shared transmission key of key distrbutor generation；
2) shared transmission key is managed：Shared transmission key synchronization to cipher key service system is managed；
3) session key is created：It is close that session initiator client creates session to the application of cipher key service system according to specified parameter
After key, session key distribution device starts as the conversation establishing session key；
4) storage of session key：Cipher key service system is that each client distributes a fixed size or on-fixed size
Personal key memory space, after establishment session key storage to sessions participant's client personal key memory space
In；
5) transmission of session key：By client online management whois lookup participant client whether with cipher key service system
System on-line joining process, if on-line joining process, session key is pushed away using the transmission key cipher mode of correspondence participant's client
Give participant client；If participant's client is no and cipher key service system sets up on-line joining process, cipher key service system
Key will not be pushed to the client in real time, after the client reaches the standard grade connection, cipher key service system is close by these again
Key pushes to participant's client.
7. the method for distributing key of the cipher key service framework as claimed in claim 6 communicated based on multiple terminals, it is characterised in that
During session key is transmitted, client can active to cipher key service system request session key, cipher key service system
Whether judge the client is that participant determines push conversation key.
8. the method for distributing key of the cipher key service framework as claimed in claim 7 communicated based on multiple terminals, it is characterised in that
Step 3) in the parameter specified include other participants in session, pattern that the length of single key, key are provided, key
Speed is provided.
9. the method for distributing key of the cipher key service framework as claimed in claim 8 communicated based on multiple terminals, it is characterised in that
The client includes voice terminal, video terminal, mail terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710402478.0A CN107147491A (en) | 2017-06-01 | 2017-06-01 | A kind of cipher key service framework communicated based on multiple terminals and distribution method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710402478.0A CN107147491A (en) | 2017-06-01 | 2017-06-01 | A kind of cipher key service framework communicated based on multiple terminals and distribution method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107147491A true CN107147491A (en) | 2017-09-08 |
Family
ID=59780720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710402478.0A Pending CN107147491A (en) | 2017-06-01 | 2017-06-01 | A kind of cipher key service framework communicated based on multiple terminals and distribution method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107147491A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092772A (en) * | 2017-12-26 | 2018-05-29 | 南京信息工程大学 | A kind of quantum commission combined calculation method of two client |
| CN112260832A (en) * | 2020-12-17 | 2021-01-22 | 南京易科腾信息技术有限公司 | Information encryption, decryption and control method and device and electronic equipment |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070280483A1 (en) * | 2006-06-06 | 2007-12-06 | Red Hat, Inc. | Methods and systems for key recovery for a token |
| CN101340443A (en) * | 2008-08-28 | 2009-01-07 | 中国电信股份有限公司 | Session key negotiating method, system and server in communication network |
| CN101917403A (en) * | 2010-07-23 | 2010-12-15 | 华中科技大学 | Distributed key management method for ciphertext storage |
| CN102238005A (en) * | 2011-08-17 | 2011-11-09 | 上海朗研光电科技有限公司 | Relaying method for remote secure quantum communication |
| CN103326852A (en) * | 2013-06-20 | 2013-09-25 | 武汉大学 | Shared key establishment method under quantum computation environment |
| CN104104500A (en) * | 2013-04-02 | 2014-10-15 | 华为技术有限公司 | Quantum secrecy transmission method and device |
| CN104113407A (en) * | 2014-06-26 | 2014-10-22 | 北京邮电大学 | Multi-user quantum key distribution network apparatus |
| US20140317408A1 (en) * | 2013-04-19 | 2014-10-23 | Kaseya International Limited | Data backup and service encryption key management |
| CN104780040A (en) * | 2015-04-06 | 2015-07-15 | 安徽问天量子科技股份有限公司 | Handheld device encryption method and system based on quantum cryptography |
| CN105262590A (en) * | 2015-09-07 | 2016-01-20 | 北京三未信安科技发展有限公司 | Method and system for safely insulating keys in virtual environment |
| CN106357700A (en) * | 2016-11-24 | 2017-01-25 | 济南浪潮高新科技投资发展有限公司 | Cipher equipment virtualization method in cloud environment |
| CN106452739A (en) * | 2016-09-23 | 2017-02-22 | 浙江神州量子网络科技有限公司 | Quantum network service station and quantum communication network |
| CN106533673A (en) * | 2016-12-08 | 2017-03-22 | 浙江神州量子网络科技有限公司 | Privacy amplification method suitable for multi-party quantum communication |
| CN106789052A (en) * | 2017-03-28 | 2017-05-31 | 浙江神州量子网络科技有限公司 | A kind of remote cipher key based on quantum communication network issues system and its application method |
-
2017
- 2017-06-01 CN CN201710402478.0A patent/CN107147491A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070280483A1 (en) * | 2006-06-06 | 2007-12-06 | Red Hat, Inc. | Methods and systems for key recovery for a token |
| CN101340443A (en) * | 2008-08-28 | 2009-01-07 | 中国电信股份有限公司 | Session key negotiating method, system and server in communication network |
| CN101917403A (en) * | 2010-07-23 | 2010-12-15 | 华中科技大学 | Distributed key management method for ciphertext storage |
| CN102238005A (en) * | 2011-08-17 | 2011-11-09 | 上海朗研光电科技有限公司 | Relaying method for remote secure quantum communication |
| CN104104500A (en) * | 2013-04-02 | 2014-10-15 | 华为技术有限公司 | Quantum secrecy transmission method and device |
| US20140317408A1 (en) * | 2013-04-19 | 2014-10-23 | Kaseya International Limited | Data backup and service encryption key management |
| CN103326852A (en) * | 2013-06-20 | 2013-09-25 | 武汉大学 | Shared key establishment method under quantum computation environment |
| CN104113407A (en) * | 2014-06-26 | 2014-10-22 | 北京邮电大学 | Multi-user quantum key distribution network apparatus |
| CN104780040A (en) * | 2015-04-06 | 2015-07-15 | 安徽问天量子科技股份有限公司 | Handheld device encryption method and system based on quantum cryptography |
| CN105262590A (en) * | 2015-09-07 | 2016-01-20 | 北京三未信安科技发展有限公司 | Method and system for safely insulating keys in virtual environment |
| CN106452739A (en) * | 2016-09-23 | 2017-02-22 | 浙江神州量子网络科技有限公司 | Quantum network service station and quantum communication network |
| CN106357700A (en) * | 2016-11-24 | 2017-01-25 | 济南浪潮高新科技投资发展有限公司 | Cipher equipment virtualization method in cloud environment |
| CN106533673A (en) * | 2016-12-08 | 2017-03-22 | 浙江神州量子网络科技有限公司 | Privacy amplification method suitable for multi-party quantum communication |
| CN106789052A (en) * | 2017-03-28 | 2017-05-31 | 浙江神州量子网络科技有限公司 | A kind of remote cipher key based on quantum communication network issues system and its application method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092772A (en) * | 2017-12-26 | 2018-05-29 | 南京信息工程大学 | A kind of quantum commission combined calculation method of two client |
| CN108092772B (en) * | 2017-12-26 | 2021-02-19 | 南京信息工程大学 | Quantum entrustment joint computing method for two clients |
| CN112260832A (en) * | 2020-12-17 | 2021-01-22 | 南京易科腾信息技术有限公司 | Information encryption, decryption and control method and device and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107147492A (en) | A kind of cipher key service System and method for communicated based on multiple terminals | |
| CN107040378A (en) | A kind of key dispatching system and method based on Multi-user Remote Communication | |
| US7957320B2 (en) | Method for changing a group key in a group of network elements in a network system | |
| CN104618110B (en) | A kind of VoIP security conferences session key transmission method | |
| CN108847928B (en) | Communication system and communication method for realizing information encryption and decryption transmission based on group type quantum key card | |
| EP2426852A1 (en) | Method and system for implementing secure forking calling session in ip multi-media subsystem | |
| CN113489586B (en) | VPN network system compatible with quantum key negotiation | |
| CN109995739A (en) | A kind of information transferring method, client, server and storage medium | |
| CN111770060A (en) | Data transmission method for power internet of things and power internet of things | |
| CN104243146A (en) | Encryption communication method and device and terminal | |
| CN107147491A (en) | A kind of cipher key service framework communicated based on multiple terminals and distribution method | |
| CN101729532B (en) | Method and system for transmitting delay media information of IP multimedia subsystem | |
| Huang et al. | Secure multicast in dynamic environments | |
| CN111371551A (en) | Quantum key synchronous relay device | |
| CN109889329A (en) | Anti- quantum calculation wired home quantum communications method and system based on quantum key card | |
| CN115865334A (en) | Quantum key distribution method and device and electronic equipment | |
| CN115567207A (en) | Method and system for realizing multicast data encryption and decryption by quantum key distribution | |
| CN108040042A (en) | A kind of safety method for being directed to CoAP agreements under multicast case | |
| Jung et al. | Securing RTP packets using per-packet selective encryption scheme for real-time multimedia applications | |
| KR20130003616A (en) | Apparatus and method for generating session key and cluster key | |
| Yang et al. | One-round semi-quantum-honest key agreement scheme in MSTSA structure without entanglement | |
| CN109246385A (en) | Communication means and conference system for Multi-Party Conference | |
| Zhu et al. | Experimental Research on Application of Quantum Key in Video Conference System. | |
| Cai et al. | A BD Group Key Negotiation Protocol based on Clustering Technology | |
| Wang et al. | SIPTVMON: a secure multicast overlay network for load-balancing and stable IPTV service using SIP |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170908 |
|
| WD01 | Invention patent application deemed withdrawn after publication |