CN109450901A - The close tunnel establishing method of state, device and equipment - Google Patents
The close tunnel establishing method of state, device and equipment Download PDFInfo
- Publication number
- CN109450901A CN109450901A CN201811338984.9A CN201811338984A CN109450901A CN 109450901 A CN109450901 A CN 109450901A CN 201811338984 A CN201811338984 A CN 201811338984A CN 109450901 A CN109450901 A CN 109450901A
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- tcp connection
- state
- established
- close tunnel
- ssl
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of close tunnel establishing method of state, device and equipment, wherein a kind of close tunnel establishing method of state is used for client, comprising: Tcp connection request is established in transmission, to establish Tcp connection；The SSL data of encapsulation are sent by the Tcp connection；The close tunnel of state is established based on the SSL data.By on the basis of establishing TCP connection, getting SSL layers of data, Encryption Algorithm and key agreement data required for the close tunnel of state is established are added on SSL layer data, to complete the foundation in the close tunnel of state.Thus the close tunnel problem of state cannot be established by solving in existing iOS device passes through on the basis of establishing TCP connection, get SSL layers of data, Encryption Algorithm and key agreement data required for the close tunnel of state is established are added on SSL layer data, to complete the foundation in the close tunnel of state.Thus the close tunnel problem of state cannot be established by solving in existing iOS device.
Description
Technical field
The present invention relates to the close tunnel establishing method in mobile network security fields more particularly to a kind of state, device and equipment.
Background technique
Existing mobile device is completed SSL layers of certification using international agreement, establishes vpn tunneling.Especially iOS device,
In the presence of cannot establish the close tunnel of state by the interface in system development library, in iOS system library can only using standard international agreement into
The problem of foundation of row vpn tunneling.
Summary of the invention
The embodiment of the present invention provides a kind of close tunnel establishing method of state, device and equipment, deposits in the prior art to solve
IOS device on cannot establish state close tunnel the problem of.
In a first aspect, the embodiment of the present invention provides a kind of close tunnel establishing method of state, it to be used for client, comprising:
Tcp connection request is established in transmission, to establish Tcp connection；
The SSL data of encapsulation are sent by the Tcp connection；
The close tunnel of state is established based on the SSL data.
As a kind of specific implementation of the embodiment of the present invention, Tcp connection request is established in the transmission, to establish
Tcp connection, comprising:
Tcp connection request is established in transmission；
Receive Tcp connection feedback information；
Confirm that the Tcp connection has been established according to the feedback information.
As a kind of specific implementation of the embodiment of the present invention, Tcp connection request is established in the transmission, specifically:
Tcp connection request is sent using NetworkExtension plug-in unit.
It is described to connect the SSL data of encapsulation by the Tcp as a kind of specific implementation of the embodiment of the present invention
It sends, comprising:
Establish being associated with for package interface and SSL；
SSL data are encapsulated using the package interface.
As a kind of specific implementation of the embodiment of the present invention, the package interface is used:
BIO interface.
Second aspect, the embodiment of the present invention provide a kind of close tunnel establishing method of state, are used for server end, comprising:
Feedback information is sent according to received Tcp connection request of establishing, to establish Tcp connection；
Receive the SSL data of the encapsulation sent by the Tcp connection；
The close tunnel of state is established based on the SSL data.
The third aspect, the embodiment of the present invention provide a kind of method that the close tunnel of state is established, comprising:
Client transmission establishes Tcp connection request to server；
The server establishes Tcp connection request according to received, sends feedback information to the client, to establish
Tcp connection；
The SSL data of encapsulation are sent to the server by the Tcp connection by the client；
The server completes the key agreement with client based on the SSL data, thus in the client and institute
It states and establishes the close tunnel of state between server.
Fourth aspect, the embodiment of the present invention provide a kind of close tunnel of state and establish device, are used for client, comprising:
Request sending module: Tcp connection request is established for sending, to establish Tcp connection；
Data transmission blocks: the SSL data for that will encapsulate are sent by the Tcp connection；
First establishes module: for establishing the close tunnel of state based on the SSL data.
5th aspect, the embodiment of the present invention provide a kind of close tunnel of state and establish device, are used for server end, comprising:
Feedback module: for sending feedback information according to received Tcp connection request of establishing, to establish Tcp connection；
Data reception module: for receiving the SSL data of the encapsulation sent by the Tcp connection；
Second establishes module: establishing the close tunnel of state based on the SSL data.
6th aspect, the embodiment of the present invention provide electronic equipment, the electronic equipment, comprising: memory, processor and deposit
The computer program that can be run on the memory and on the processor is stored up, the computer program is by the processor
The step of first aspect and second aspect any described method are realized when execution.
The embodiment of the present invention by the basis of establishing TCP connection, getting SSL layers of data, SSL layer data it
Encryption Algorithm and key agreement data required for the upper close tunnel of addition state is established, to complete the foundation in the close tunnel of state.Thus
The close tunnel problem of state cannot be established by solving in existing iOS device, achieve positive technical effect.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the flow chart of the close tunnel establishing method of state described in the embodiment of the present invention one；
Fig. 2 is the flow chart that Tcp connection is established described in the embodiment of the present invention；
Fig. 3 is the flow chart of the close tunnel establishing method of state described in the embodiment of the present invention two；
Fig. 4 is the functional block diagram that device is established in the close tunnel of state described in the embodiment of the present invention four；
Fig. 5 is the functional block diagram that device is established in the close tunnel of state described in the embodiment of the present invention five；
Fig. 6 is the flow chart of the close tunnel establishing method of state described in the embodiment of the present invention three.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Apple has opened NetworkExtension frame since iOS 9, and the framework provides configure and control VPN branch
The interface held.The VPN exploitation of apple is divided into personal VPN and non-individual VPN exploitation, and non-individual VPN is developed by using to apple
Interface in the NetworkExtension frame of offer completes the foundation in tunnel.It is encapsulated in the library provided due to iOS system
The functional interface in international tunnel is established using international agreement, therefore can not establish the close tunnel of state by SSL layer data, establishes state
Close tunnel needs the process of Encryption Algorithm and key agreement.
Embodiment one:
First embodiment of the invention provides a kind of close tunnel establishing method of state, be used for client, as shown in Figure 1, include with
Lower specific steps:
Step S101: Tcp connection request is established in transmission, to establish Tcp connection；
The transmission of IOS client establishes Tcp connection request to server, after server receives request, responds to request,
Feedback information corresponding with request is sent to client, to be successfully established Tcp connection.
Step S102: the SSL data of encapsulation are sent by the Tcp connection；
After Tcp successful connection is established, the file for needing to establish the close tunnel of state is packaged by client, the encryption such as supported
Algorithm external member and signed data etc..Then the SSL data of encapsulation are transmitted to server-side by Tcp connection by client.
Step S103: the close tunnel of state is established based on the SSL data.
After server receives the data after encapsulation, the cipher key agreement process with client is completed, the close tunnel of state is established.
Key agreement specifically: call the handshaking functions in the library Openssl, it then follows SSL three-way handshake agreement utilizes encapsulation number
Key agreement is completed comprising the algorithm external member supported and signed data etc. in.
As a specific embodiment of the present invention, as shown in Fig. 2, Tcp connection request is established in the transmission, to build
Vertical Tcp connection, comprising:
Step S201: Tcp connection request is established in transmission；
Client establishes Tcp connection using NetworkExtension plug-in unit first, then uses
NetworkExtension plug-in unit sends Tcp connection request to server.In specific application scenarios, using in iOS system
The NetworkExtension.framework system library of offer calls the interface in library to establish the connection of Tcp.
Step S202: Tcp connection feedback information is received；
Meeting feedback information is agreed to establish Tcp connection to client, such as server after server receives Tcp connection request,
That then feeds back that Tcp connection is successfully established feeds back to client, to connect Tcp connection between a client and a server.If
Server, which disagrees, establishes Tcp connection, then that feeds back that Tcp connection is not successfully established feeds back to client.
Step S203: confirm that the Tcp connection has been established according to the feedback information.
Server will have agreed to after establishing the feedback information response client of Tcp connection, i.e., between a client and a server
Connect Tcp connection.
As a specific embodiment of the present invention, the SSL data by encapsulation are sent by the Tcp connection,
Include:
Establish being associated with for package interface and SSL；
In a specific application scenarios, client initialization BIO interface establishes being associated with for BIO and SSL.It can also be with
Use the other modes such as EVP.
It, then will by the set_bio interface of ssl especially by the BIO interface initialization BIO called in the library openssl
BIO's and SSL is associated.
SSL data are encapsulated using the package interface.
In a specific application scenarios, by calling the BIO interface encapsulation SSL data in the library openssl, pass through tune
With the read interface of BIO get server return SSL data, by call BIO write interface send SSL data to
Server.
Embodiment two:
As shown in figure 3, the embodiment of the present invention provides a kind of close tunnel establishing method of state, it to be used for server end, comprising:
Step S301: feedback information is sent according to received Tcp connection request of establishing, to establish Tcp connection；
Step S302: the SSL data of the encapsulation sent by the Tcp connection are received；
Step S303: the close tunnel of state is established based on the SSL data.
Its specific embodiment has been described in detail in example 1, and details are not described herein.
Embodiment three:
As shown in fig. 6, the embodiment of the present invention provides a kind of method that the close tunnel of state is established, comprising:
Client transmission establishes Tcp connection request to server；
The server establishes Tcp connection request according to received, sends feedback information to the client, to establish
Tcp connection；
The SSL data of encapsulation are sent to the server by the Tcp connection by the client；
The server completes the key agreement with client based on the SSL data, thus in the client and institute
It states and establishes the close tunnel of state between server.
Client and server end is mainly combined and is illustrated by the technical program, and specific embodiment is being implemented
It has been described in detail in example one, details are not described herein.
Example IV:
As shown in figure 4, fourth aspect, the embodiment of the present invention provides a kind of close tunnel of state and establishes device, is used for client, packet
It includes:
Request sending module 401: Tcp connection request is established for sending, to establish Tcp connection；
Data transmission blocks 402: the SSL data for that will encapsulate are sent by the Tcp connection；
First establishes module 403: for establishing the close tunnel of state based on the SSL data.
As a specific embodiment of the present invention, the request sending module 401, comprising:
Sending module: Tcp connection request is established for sending；
Receiving module: for receiving Tcp connection feedback information；
Connection establishment module: for confirming that the Tcp connection has been established according to the feedback information.
As a specific embodiment of the present invention, Tcp connection request is established in the transmission, specifically:
Tcp connection request is sent using NetworkExtension plug-in unit.
As a specific embodiment of the present invention, the data transmission blocks 402, comprising:
Relating module: for establishing being associated with for package interface and SSL；
Data package module: for encapsulating SSL data using the package interface.
As a specific embodiment of the present invention, institute's package interface is used: BIO interface.
Embodiment five:
As shown in figure 5, the 5th aspect, the embodiment of the present invention provide a kind of close tunnel of state and establish device, it is used for server end,
Include:
Feedback module 501: for sending feedback information according to received Tcp connection request of establishing, to establish Tcp company
It connects；
Data reception module 502: for receiving the SSL data of the encapsulation sent by the Tcp connection；
Second establishes module 503: establishing the close tunnel of state based on the SSL data.
The technical program is mainly the statement of functional module in server end, specific embodiment embodiment one to
It has been described in detail in example IV, details are not described herein.
6th aspect, the embodiment of the present invention provide a kind of electronic equipment, the electronic equipment, comprising: memory, processor
And it is stored in the computer program that can be run on the memory and on the processor, the computer program is by the place
Reason device realizes the method and step that embodiment one or embodiment two are stated when executing.
Processor can be general processor, such as central processing unit (Central Processing Unit, CPU), also
It can be digital signal processor (Digital Signal Processor, DSP), specific integrated circuit (Application
Specific Integrated Circuit, ASIC), or be arranged to implement the one or more of the embodiment of the present invention
Integrated circuit.Wherein, memory is used to store the executable instruction of the processor；Memory, for storing program code, and
The program code is transferred to processor.Memory may include volatile memory (Volatile Memory), such as at random
It accesses memory (Random Access Memory, RAM)；It also may include nonvolatile memory (Non-Volatile
), such as read-only memory (Read-Only Memory, ROM), flash memory (Flash Memory), hard disk Memory
(Hard Disk Drive, HDD) or solid state hard disk (Solid-State Drive, SSD)；It can also include depositing for mentioned kind
The combination of reservoir.
The embodiment of the present invention also provides a kind of offer computer readable storage medium, on the computer readable storage medium
It is stored with computer program, the method and step of embodiment one is realized when the computer program is executed by processor.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of close tunnel establishing method of state is used for client characterized by comprising
Tcp connection request is established in transmission, to establish Tcp connection；
The SSL data of encapsulation are sent by the Tcp connection；
The close tunnel of state is established based on the SSL data.
2. the close tunnel establishing method of state as described in claim 1, which is characterized in that Tcp connection request is established in the transmission, from
And establish Tcp connection, comprising:
Tcp connection request is established in transmission；
Receive Tcp connection feedback information；
Confirm that the Tcp connection has been established according to the feedback information.
3. the close tunnel establishing method of state as claimed in claim 2, which is characterized in that Tcp connection request is established in the transmission, tool
Body are as follows:
Tcp connection request is sent using NetworkExtension plug-in unit.
4. the close tunnel establishing method of state as described in claim 1, which is characterized in that described that the SSL data of encapsulation are passed through institute
State Tcp connection transmission, comprising:
Establish being associated with for package interface and SSL；
SSL data are encapsulated using the package interface.
5. the close tunnel establishing method of state as claimed in claim 4, which is characterized in that the package interface uses:
BIO interface.
6. a kind of close tunnel establishing method of state is used for server end characterized by comprising
Feedback information is sent according to received Tcp connection request of establishing, to establish Tcp connection；
Receive the SSL data of the encapsulation sent by the Tcp connection；
The close tunnel of state is established based on the SSL data.
7. a kind of close tunnel establishing method of state characterized by comprising
Client transmission establishes Tcp connection request to server；
The server establishes Tcp connection request according to received, sends feedback information to the client, to establish Tcp
Connection；
The SSL data of encapsulation are sent to the server by the Tcp connection by the client；
The server completes the key agreement with client based on the SSL data, thus in the client and the clothes
The close tunnel of state is established between business device.
8. device is established in a kind of close tunnel of state, it to be used for client characterized by comprising
Request sending module: Tcp connection request is established for sending, to establish Tcp connection；
Data transmission blocks: the SSL data for that will encapsulate are sent by the Tcp connection；
First establishes module: for establishing the close tunnel of state based on the SSL data.
9. device is established in a kind of close tunnel of state, it to be used for server end characterized by comprising
Feedback module: for sending feedback information according to received Tcp connection request of establishing, to establish Tcp connection；
Data reception module: for receiving the SSL data of the encapsulation sent by the Tcp connection；
Second establishes module: establishing the close tunnel of state based on the SSL data.
10. a kind of electronic equipment, which is characterized in that the electronic equipment, comprising: memory, processor and be stored in described deposit
On reservoir and the computer program that can run on the processor, the computer program are realized when being executed by the processor
Such as the step of method as claimed in any one of claims 1 to 6.
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| CN201811338984.9A CN109450901A (en) | 2018-11-12 | 2018-11-12 | The close tunnel establishing method of state, device and equipment |
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| CN201811338984.9A CN109450901A (en) | 2018-11-12 | 2018-11-12 | The close tunnel establishing method of state, device and equipment |
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