CN106533894B - A kind of instant messaging system of completely new safety - Google Patents
A kind of instant messaging system of completely new safety Download PDFInfo
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- CN106533894B CN106533894B CN201510576494.2A CN201510576494A CN106533894B CN 106533894 B CN106533894 B CN 106533894B CN 201510576494 A CN201510576494 A CN 201510576494A CN 106533894 B CN106533894 B CN 106533894B
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Abstract
The invention discloses a kind of instant messaging systems of completely new safety.On conventional " system+user " instant messaging framework, increase " interconnection " layer, forms three layers of instant messaging framework of innovation of " interconnection+system+user "；Further, the identity based on each component in innovation framework, constructs the security architecture based on mark, realizes the authentication between the storage safety of instant communication data and transmission safety and each component.The building of the instant messaging system realizes interconnecting for the different instantaneous communication systems under security strategy control on the basis of guaranteeing each instantaneous communication system itself independence and privacy.
Description
Technical field
The invention belongs to instant messaging field, answering in mixing such as internet, enterprise network and cloud computing environments is related to how
The instant messaging system interconnected safely is established under heterocycle border, especially relates to how different instantaneous communication systems carries out safety
Interconnect.
Background technique
Instant messaging (Instant Messaging, be abbreviated as IM) is sharp between mobile phone, tablet computer and computer user
Process is sent and received with what network carried out instant message, can be transmitted the information such as text, picture, sound and video, is interconnection
Net very universal and welcome one of network application.Typical IM application has wechat, QQ, LINE, WhatsApp, Michat and rises
It interrogates logical etc..
Above-mentioned these IM application is all established one's own system, and the instantaneous communication system respectively constructed is owned by large number of user
Group, but they cannot all interconnect, for example, the user of Michat cannot carry out instant messaging with the user of wechat.Although occurring
A variety of instant messaging agreements, some is as scalable message and agreement (XMPP) is presented all has been approved for internet instant messaging
Consensus standard, but still the problem that interconnects of unresolved instantaneous communication system.Moreover, existing instantaneous communication system safety
Deficiency, user session information are easy to be leaked or steal in terminal and network.Current instantaneous communication system is primarily present
Following two problem:
(1) it cannot interconnect.Different enterprises or the instantaneous communication system built of tissue, and service towards the public i.e.
When communication system, can't accomplish to interconnect, this substantially reduces the flexibility of instant messaging, seriously affected enterprise or
The work of tissue cooperates with efficiency.Industry wishes that instant messaging also can easily interconnect as Email.
(2) safety is insufficient.The public instantaneous communication system in internet of the existing overwhelming majority and enterprise-level instant messaging system
System, usually only provides basic identification verification function, all without providing enough security functions for user, to protect the number of user
It is easy to be tampered and steal according to storage safety and data transmission security, session information.
Although can be used to solve certain two specific instantaneous communication system currently, there are some protocol conversion gateway technologies
The problem that interconnects, but limitation is very big, is not the solution of a universality.Also there is the minority as Telegram instant
Communication system provides point-to-point instant messaging and encrypts safely, but security function is not generally also strong.
In short, as the rapid development of mobile Internet and the Working Life of people are just increasingly dependent on intelligent movable
Terminal and instantaneous communication system platform, it is desirable to instant messagings can also interconnect as Email, and be peace
Property is stronger entirely interconnects.For this purpose, this is an one the invention proposes a kind of instant messaging system of completely new safety
Change safe Interworking Solution, can solve simultaneously instant messaging interconnect and safety issue.
Summary of the invention
The purpose of the present invention is establishing one kind under the complex network environments such as internet, corporate intranet and cloud computing platform,
It is able to carry out the instant messaging system interconnected safely, so that interconnecting of effectively solving that current people encounter is asked with safety
Topic.Instantaneous communication system either is built in Enterprise Special Network, or rents cloud server and builds instantaneous communication system, it can
It interconnects under the premise of ensuring information security, instant messaging is easily carried out between user.
The instant messaging system of the completely new safety of one kind of the invention, is divided into three interconnection layer, system layer and client layer layers
It is secondary, wherein interconnection layer provides the service of interconnecting between instantaneous communication system for system layer, and system layer provides peace for client layer
Full instant messaging service.Particular content is as follows.
One, interconnection layer
Interconnection layer includes instant messaging router and security parameter switching centre, and the interconnection for each instantaneous communication system is mutual
It is logical.
(1) instant messaging router refers to a kind of network equipment to interconnect for instantaneous communication system, multiple instant
Communications router can be interconnected to form route service network, provide routing addressing and protocol translation service for system layer.
(2) security parameter switching centre refers to a kind of safety equipment to interconnect for instantaneous communication system, in store
The security parameter of each instantaneous communication system provides mutual security parameter for interconnecting for instantaneous communication system.
Two, system layer
System layer is made of instantaneous communication system autonomous one by one, is convinced for providing safe Instant Messenger for user
Business.Instantaneous communication system is made of instant communication server and security service center again, and each instantaneous communication system is exactly one
The instant messaging network of autonomous architectonical, can dispose one to multiple instant communication server, have the customer data base of oneself,
Different instant messaging agreements can be run.
(1) instant communication server be it is a kind of the equipment of safe instant messaging service is provided for user, can both dispose
It in cloud data center, can also be deployed in the internal network of enterprise or tissue, and there is the interaction with security service center to connect
Mouthful.
(2) security service center is made of mark management module and id password management module, is had and is convinced with Instant Messenger
The interactive interface of business device, and safety supports are provided by the interface for it.Wherein, mark management module is instant for management service
The identity of instant communication server and user in communication system, it is ensured that its uniqueness；Id password management module is used for root
According to the identity of instant communication server or user, which is generated using identity as public key based on id password algorithm
The corresponding private key of part mark.
Three, client layer
Client layer is made of user, and the instant messaging between user is divided into instant messaging and cross-system instant messaging two in system
Kind.Wherein, instant messaging refers to the instant messaging carried out between the user in an instantaneous communication system in system, without logical
Cross the support of interconnection layer；And cross-system instant messaging then refers to what the user of two or more instantaneous communication systems was carried out
Instant messaging needs the support by interconnection layer.
Further, specific step is as follows for cross-system instant messaging:
(1) user initiates instant messaging, invites other users that communication is added；
(2) instant communication server where user is initiated, according to the mark of other users, where obtaining these users
The mark of instant communication server；
(3) instant communication server where initiating user utilizes the mark of these servers, to its Instant Messenger of connection
Believe that router issues the addressing request to these servers；
(4) instant messaging router routes addressing request in route service network, with finding the network of these servers
Location；
(5) instant communication server of the instant messaging router to where initiating user returns to the network of each server
Location；
(6) the instant communication server request where initiating user establishes network company with the server where other users
It connects；
(7) server where other users accesses control according to its security strategy, decides whether and initiates user
The server at place establishes network connection；
(8) if security strategy allows, the instant communication server where initiation user and the service where other users
Device establishes network connection；
(9) each user starts instant messaging.
The instant messaging system of the completely new safety of one kind of the invention, security feature be embodied in instantaneous communication system to
Family provides the instant messaging service comprising identity identification, access control, data storage security and data transmission security, specifically such as
Under:
(1) identity identify: identity of the instantaneous communication system based on user or instant communication server, carry out user with
Bidirectional identification between user, instant communication server and user identifies.
(2) access control: instantaneous communication system formulates the safe plan based on source, purpose instant communication server identity
Slightly, it and is issued in instant communication server and executes, go to the company of control instant communication server and other instant communication servers
It connects.
(3) data storage security: instantaneous communication system supports user to utilize the private key of oneself in user terminal to instant messaging
Data carry out encryption storage.
(4) data transmission security: instantaneous communication system supports that the cross-system of instant messaging and safety is in the system of safety
Shi Tongxin protects the transmission safety of instant communication data.
Instant messaging in above-mentioned safe system, the specific steps of which are as follows:
(1) it initiates user and generates session key at random；
(2) using the identity of conversational user as public key, it will be sent to the conversational user after words key encryption；
(3) conversational user is decrypted using its private key, obtains session key；
(4) if it is group communication, while (2) (3) step is repeated, until all communication members obtain session key；
(5) subsequent instant communication data transmits after all being encrypted with this session key.
Above-mentioned safe cross-system instant messaging, the specific steps of which are as follows:
(1) it initiates user and generates session key at random；
(2) the safety ginseng for the instantaneous communication system that user is logged in security parameter switching centre inquiry session user is initiated
Number；
(3) security parameter switching centre is joined to the safety for initiating the instantaneous communication system that user's return conversational user is logged in
Number；
(4) it initiates user and utilizes the identity of conversational user and its security parameter of the instantaneous communication system logged in,
The conversational user is sent to after session key is encrypted；
(5) conversational user is decrypted using its private key, obtains session key；
(6) if it is group communication, while (2) being repeated to (5) step, until all communication members acquisition session is close
Key；
(7) subsequent instant communication data transmits after all being encrypted with this session key.
The advantageous effect of the invention is, real on the basis of guaranteeing each instantaneous communication system itself independence and privacy
Showed security strategy control under different instantaneous communication systems interconnect and the user of highly effective and safe between instant messaging.
Detailed description of the invention
Fig. 1 is the hierarchical structure block diagram of instant messaging system of the invention.
Fig. 2 is that the logic of instant messaging system of the invention disposes schematic diagram.
Fig. 3 is the specific steps of cross-system instant messaging of the invention.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the hierarchical structure block diagram of instant messaging system of the invention.The instant messaging system is divided into interconnection layer, system
Layer and three levels of client layer, wherein interconnection layer provides the service of interconnecting between instantaneous communication system, system for system layer
Layer provides safe instant messaging service for client layer.It is described in detail as follows.
One, interconnection layer
Interconnection layer includes instant messaging router and security parameter switching centre, and the interconnection for each instantaneous communication system is mutual
It is logical.
(1) instant messaging router refers to a kind of network equipment to interconnect for instantaneous communication system, multiple instant
Communications router can be interconnected to form route service network, provide routing addressing and protocol translation service for system layer.When
When two or more instantaneous communication systems need to interconnect, due to not knowing the network address of other side, and it may use not
Same instant messaging agreement, thus instant messaging router is needed to establish network connection relation for instantaneous communication system.
(2) security parameter switching centre refers to a kind of safety equipment to interconnect for instantaneous communication system, in store
The security parameter of each instantaneous communication system provides mutual security parameter for interconnecting for instantaneous communication system.Because
In each instantaneous communication system, the security parameter at security service center is different, which ensure that different instantaneous communication systems
User, even if user identifier is identical, for its generate private key be also different.
Two, system layer
System layer is made of instantaneous communication system autonomous one by one, is convinced for providing safe Instant Messenger for user
Business.Instantaneous communication system is made of instant communication server and security service center again, and each instantaneous communication system is exactly one
The instant messaging network of autonomous architectonical, can dispose one to multiple instant communication server, have the customer data base of oneself,
Different instant messaging agreements can be run.
(1) instant communication server be it is a kind of the equipment of safe instant messaging service is provided for user, can both dispose
It in cloud data center, can also be deployed in the internal network of enterprise or tissue, and there is the interaction with security service center to connect
Mouthful.For the quantity of instant communication server depending on the number of users of instantaneous communication system, 1 server can accommodate ten thousand grades
Number of users.
(2) security service center is made of mark management module and id password management module, is had and is convinced with Instant Messenger
The interactive interface of business device, and safety supports are provided by the interface for it.Wherein, mark management module is instant for management service
The identity of instant communication server and user in communication system, it is ensured that its uniqueness；Id password management module is used for root
According to the identity of instant communication server or user, which is generated using identity as public key based on id password algorithm
The corresponding private key of part mark.One instantaneous communication system, it is only necessary to a security service center.
Three, client layer
Client layer is made of user, is the user of instantaneous communication system.User in one instantaneous communication system can
Instant messaging is mutually carried out, the user of different instantaneous communication systems also can mutually carry out instant messaging.Therefore, it is between user
Shi Tongxin is divided into system instant messaging and two kinds of cross-system instant messaging.Wherein, in system instant messaging refer to one immediately
The instant messaging carried out between user in communication system, without the support by interconnection layer；And cross-system instant messaging is then
Refer to the instant messaging that the user of two or more instantaneous communication systems is carried out, needs the support by interconnection layer.
Fig. 2 is that the logic of instant messaging system of the invention disposes schematic diagram.For ease of understanding, two are only disposed here i.e.
When communication system: instantaneous communication system 1 and instantaneous communication system 2.Wherein, instantaneous communication system 1 by instant communication server A,
Instant communication server B and security service center 1 form, and instantaneous communication system 2 is by instant communication server C and security service
The heart 2 forms.User 1, user 2 and user 3 belong to instantaneous communication system 1, wherein user 1 and user 2 are in instant communication service
Registering and logging on device A, user 3 are the registering and loggings on instant communication server B.User 4 and user 5 belong to instant messaging
System 2, user 4 and user 5 registering and logging on instant communication server C.
In interconnection layer, it is deployed with instant messaging router 1 and security parameter switching centre 1 respectively.They are used for Instant Messenger
Letter system 1 and instantaneous communication system 2 interconnect, when user 1 or user 2 or user 3 need to carry out with user 4 or user 5
When instant messaging, it is necessary to the support of instant messaging router 1 and security parameter switching centre 1.In system when instant messaging, no
The support of interconnection layer, i.e. instant messaging between user 1, user 2 and user 3 are needed, is completed in instantaneous communication system 1, is used
Instant messaging between family 4 and user 5 is completed in instantaneous communication system 2.
Fig. 3 is the specific steps of cross-system instant messaging of the invention.Schematic diagram is disposed now in conjunction with logic shown in Fig. 2,
Illustrate the process that interconnects between a typical instantaneous communication system.For example, user 1 initiate it is instant with user 5
Communication, the specific steps are as follows:
(1) user 1 initiates the instant messaging with user 5；
(2) instant communication server A obtains the mark of the instant communication server C of its login according to the mark of user 5；
(3) instant communication server A proposes routing addressing request, request inquiry instant messaging to instant messaging router 1
The network address of server C；
(4) instant messaging router 1 is inquired according to the mark of instant communication server C and obtains instant communication server C's
Network address；
(5) instant messaging router 1 returns to the network address of instant communication server C to instant communication server A；
(6) instant communication server A is requested and instant communication server C according to the network address of instant communication server C
Establish network connection；
(7) instant communication server C decides whether to establish net with instant communication server A according to oneself security strategy
Network connection；
(8) if security strategy allows, instant communication server A and instant communication server C are established and are connected to the network；
(9) user 1 and user 5 carry out instant messaging.
The instant messaging system of the completely new safety of one kind of the invention, security feature be embodied in instantaneous communication system to
Family provides the instant messaging service comprising identity identification, access control, data storage security and data transmission security.It ties below
Fig. 2 is closed, is described in detail.
(1) identity identifies
Identity of the instantaneous communication system based on user or instant communication server, between progress user and user,
Bidirectional identification between instant communication server and user identifies.Firstly, each user in access of instant communicating server, takes
It will do it bidirectional identification identification between business device and user；Secondly, also being needed between user when user creates point-to-point or group communication
Carry out bidirectional identification identification；Finally, if it is cross-system instant messaging, instant communication server and instant communication server it
Between, it is also desirable to carry out bidirectional identification identification.After only carrying out successful identity identification, can just it arrive in next step.
(2) access control
Instantaneous communication system formulates the security strategy based on source, purpose instant communication server identity, and is issued to
It is executed in instant communication server, goes the connection of control instant communication server and other instant communication servers.Pass through control
Connection between instant communication server just controls the instant messaging between its user.For example, if instantaneous communication system 2
Security strategy is formulated, is issued in instant communication server C, does not allow and instant communication server A and instant communication server B
Network connection is established, then, user 1,2,3 cannot carry out instant messaging with user 4,5.
(3) data storage security
Instantaneous communication system supports user to carry out encryption storage to instant communication data in user terminal using the private key of oneself.
For example, the id password management module at security service center 1, according to the identity of user 1, using it as public key, generating should
Private key K1 corresponding to identity, the instant communication data that user 1 can take this private key K1 to encrypt oneself carry out safety
Storage.
(4) data transmission security
Instantaneous communication system supports the cross-system instant messaging of instant messaging and safety in the system of safety, protects Instant Messenger
The transmission safety of letter data.Here it is illustrated by taking the instant messaging of user 1, user 2 and user 3 as an example, it is assumed that the body of user 1
Part is identified as UID1, and the identity of user 2 is UID2, and the identity of user 3 is UID3, the mark at security service center 1
Password Management module is that the private key that user 1 generates is K1, and the private key generated for user 2 is K2, and the private key generated for user 2 is
K3。
So, user 1 initiates the group communication with user 2, user 3, and specific steps can be described as follows:
(1) user 1 generates session key SKey1 at random；
(2) user 1 is using the identity UID2 of user 2 as public key, it will is sent to use after words key SK ey1 encryption
Family 2；
(3) user 2 is decrypted using its private key K2, obtains session key SKey1；
(4) simultaneously, user 1 is using the identity UID3 of user 3 as public key, it will sends out after words key SK ey1 encryption
Give user 3；
(5) user 3 is decrypted using its private key K3, obtains session key SKey1；
(6) subsequent group communication data are transmitted after all being encrypted with session key SKey1.
Cross-system instant messaging for safety, is illustrated by taking the instant messaging of user 1 and user 5 as an example here, false
If the identity of user 1 is UID1, the identity of user 5 is UID5, the id password management module at security service center 1
It is K1 for the private key that user 1 generates, it is K5 that the id password management module at security service center 2, which is the private key that user 5 generates,.That
, specific steps can be described as follows:
(1) user 1 generates session key SKey2 at random；
(2) user 1 inquires the security parameter for the instantaneous communication system 2 that user 5 is logged in security parameter switching centre 1；
(3) security parameter switching centre 1 returns to the security parameter for the instantaneous communication system 2 that user 5 is logged in user 1
P2；
(4) user 1 utilizes the identity UID5 of user 5 and the security parameter P2 of instantaneous communication system 2, it will words key
User 5 is sent to after SKey2 encryption；
(5) user 5 is decrypted using its private key K5, obtains session key SKey2；
(6) subsequent instant communication data transmits after all being encrypted with session key SKey2.
Claims (9)
1. a kind of instant messaging system of completely new safety, is divided into three interconnection layer, system layer and client layer levels, feature exists
In,
Interconnection layer: including instant messaging router and security parameter switching centre, the instant messaging router supports routing to seek
Location and protocol conversion, for interconnecting for each instantaneous communication system, the security parameter switching centre storage is each immediately
The security parameter of communication system provides mutual security parameter for instantaneous communication system；
System layer: being made of instantaneous communication system autonomous one by one, the instantaneous communication system by instant communication server and
Security service center composition, can dispose one to multiple instant communication server, with the customer data base of oneself, can run difference
Instant messaging agreement, safe instant messaging service is provided for user；The instant communication server and the security service
Center has interactive interface；
Client layer: being made of the user, and the instant messaging between the user is divided into system security instant communication and interdepartmental
Two kinds of security instant communication of system；Security instant communication is not necessarily to the support by the interconnection layer, the cross-system in the system
Security instant communication then needs the support by the interconnection layer.
2. instant messaging system according to claim 1, which is characterized in that the instant communication server is a kind of for institute
It states user and the equipment of security instant communication service is provided, can both be deployed in cloud data center, enterprise or group can also be deployed in
In the internal network knitted.
3. instant messaging system according to claim 1, which is characterized in that the security service center passes through the interaction
Interface provides safety supports for the instant communication server, is made of mark management module and id password management module,
The mark management module carries out Life cycle to the identity of the instant communication server and the user
Management and maintenance, it is ensured that its uniqueness；
The id password management module is based on identifying close according to the identity of the instant communication server or the user
Code algorithm generates private key corresponding to the identity using the identity as public key.
4. instant messaging system according to claim 1, which is characterized in that described to provide safe instant messaging for user
Service includes identity of the instantaneous communication system based on the user or the instant communication server, carries out user
Bidirectional identification between user, instant communication server and user identifies.
5. instant messaging system according to claim 1, which is characterized in that described to provide safe instant messaging for user
Service further includes the security strategy of the instantaneous communication system formulation based on source, purpose instant communication server identity, and
It is issued in instant communication server and executes, go the connection of control instant communication server and other instant communication servers.
6. instant messaging system according to claim 1, which is characterized in that further, described to provide safety for user
Instant messaging service further include, the instantaneous communication system support user using the private key of oneself in user terminal to instant messaging
Data carry out encryption storage.
7. instant messaging system according to claim 1, which is characterized in that security instant communication refers to one in the system
The instant messaging carried out between the user in a instantaneous communication system, its step are as follows:
(1) it initiates user and generates session key at random；
(2) using the identity of conversational user as public key, it will be sent to the conversational user after words key encryption；
(3) conversational user is decrypted using its private key, obtains session key；
(4) if it is group communication, while (2) (3) step is repeated, until all communication members obtain session key；
(5) subsequent instant communication data transmits after all being encrypted with this session key.
8. instant messaging system according to claim 1, which is characterized in that the cross-system security instant communication refers to two
The instant messaging that the user of a or more than two instantaneous communication systems is carried out, its step are as follows:
(1) it initiates user and generates session key at random；
(2) security parameter for the instantaneous communication system that user is logged in security parameter switching centre inquiry session user is initiated；
(3) security parameter switching centre returns to the security parameter for the instantaneous communication system that conversational user is logged in initiation user；
(4) user is initiated using the identity of conversational user and its security parameter of the instantaneous communication system logged in, it will
The conversational user is sent to after words key encryption；
(5) conversational user is decrypted using its private key, obtains session key；
(6) if it is group communication, while (2) being repeated to (5) step, until all communication members obtain session key；
(7) subsequent instant communication data transmits after all being encrypted with this session key.
9. instant messaging system according to claim 8, which is characterized in that the cross-system security instant communication it
Before, further includes:
(1) user initiates instant messaging, invites other users that communication is added；
(2) instant communication server where user is initiated, according to the mark of other users, is obtained instant where these users
The mark of the communication server；
(3) instant communication server where initiating user utilizes the mark of these servers, to its instant messaging road of connection
Addressing request to these servers is issued by device；
(4) instant messaging router routes addressing request in route service network, finds the network address of these servers；
(5) instant communication server of the instant messaging router to where initiating user returns to the network address of each server；
(6) the instant communication server request where initiating user is established with the server where other users to be connected to the network；
(7) server where other users accesses control according to its security strategy, decide whether with initiate user where
Server establish network connection；
(8) if security strategy allows, the instant communication server where initiation user and the server where other users are built
Vertical network connection；
(9) each user starts instant messaging.
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| CN107888487A (en) * | 2017-12-28 | 2018-04-06 | 江苏神州信源系统工程有限公司 | A kind of good friend's adding method across instantaneous communication system |
| CN108259321A (en) * | 2018-01-16 | 2018-07-06 | 北京北信源信息安全技术有限公司 | A kind of document transmission method across instantaneous communication system |
| CN108400932A (en) * | 2018-02-27 | 2018-08-14 | 北京北信源信息安全技术有限公司 | A kind of instantaneous communication system interconnection management method and administrative center |
| CN109639565B (en) * | 2018-12-14 | 2022-02-25 | 杭州安司源科技有限公司 | Decentralized instant messaging multi-service node interconnection and intercommunication system |
| WO2021005498A1 (en) | 2019-07-11 | 2021-01-14 | LeapXpert Limited | Multichannel messaging system and method |
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