CN109639697A - Cloud mobile phone safe throws method, mobile terminal and the server of screen - Google Patents
Cloud mobile phone safe throws method, mobile terminal and the server of screen Download PDFInfo
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- CN109639697A CN109639697A CN201811583169.9A CN201811583169A CN109639697A CN 109639697 A CN109639697 A CN 109639697A CN 201811583169 A CN201811583169 A CN 201811583169A CN 109639697 A CN109639697 A CN 109639697A
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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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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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
- H04L63/0435—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 wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
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- 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
- H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
-
- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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- 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
- H04L67/01—Protocols
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to network technique fields, are related to method, mobile terminal and server that cloud mobile phone safe throws screen, and method includes: to generate public key using rivest, shamir, adelman and be sent to server；Receive the feedback of server；Wherein, the unique key that server first uses symmetric encipherment algorithm to generate, feeds back to client for encrypted key after recycling received public key to encrypt the key；Key is solved using the corresponding private key of public key, server is sent to using key encrypted authentication information and is authenticated；Authenticating result and when authenticating result be successfully is received, issues to throw to shield to server and request；The throwing screen content of the cloud mobile phone push forwarded after server is encrypted using symmetric encipherment algorithm is received by public network.The present invention realizes first with rivest, shamir, adelman and authenticates that the throwing screen content that screen and private network transmission are thrown after authenticating successfully does not encrypt, and the throwing screen content of public network transmission is encrypted using symmetric encipherment algorithm, ensure that safety with this and part of links encryption has taken into account efficiency.
Description
Technical field
The present invention relates to network technique field, in particular to a kind of cloud mobile phone safe throws the method for screen, mobile terminal kimonos
Business device.
Background technique
Cloud mobile phone is the smart mobile phone application cloud platform based on the powerful virtual application of cloud computing and mobile Internet.
Based on cloud computing large-scale calculations, powerful storage capacity, in terms of advantage outstanding, cloud platform is intelligence
Mobile phone user provide diversification, comprehensive virtual mobile phone application and service, support comprehensively various application program of mobile phone displaying,
Downloading, application and management service, and the brilliant round-the-clock cloud intelligence hosts applications of realization, allow user to be detached from the state of mobile terminal
Under, also round-the-clock presence can be kept by various application program trustships to cloud, realize that smart mobile phone application is virtual comprehensively
Change.
The user of cloud mobile phone can install the client of a cloud mobile phone in the real handset of oneself, but cloud mobile phone itself is
There is no screen, if the content generated needs to throw screen to client, current throwing screen application method usually not encrypts meeting
The risk that content is revealed, or the entire full link encryption of process for throwing screen is caused to make throwing screen use process efficiency suitable
It is low.
Summary of the invention
Embodiments of the present invention aim to solve at least one of the technical problems existing in the prior art.For this purpose, of the invention
Embodiment need to provide method, mobile terminal and server that a kind of cloud mobile phone safe throws screen.
The method that a kind of cloud mobile phone safe of embodiment of the present invention throws screen, which is characterized in that client and server is logical
Public network communication connection is crossed, server and cloud mobile phone are communicated to connect by private network, this method comprises:
Step 1, public key is generated using rivest, shamir, adelman and be sent to server；
Step 2, the feedback of server is received；Wherein, the unique key that server first uses symmetric encipherment algorithm to generate, then
Encrypted key is fed back into client after encrypting using received public key to the key；
Step 3, key is solved using the corresponding private key of public key, is sent to server using key encrypted authentication information and carries out
Authentication；
Step 4, authenticating result and when authenticating result be successfully is received, issues to throw to shield to server and request；
Step 5, the throwing screen of the cloud mobile phone push forwarded after server is encrypted using symmetric encipherment algorithm is received by public network
Content；Wherein, cloud mobile phone is not encrypted by the throwing screen content that private network is transmitted to server.
In a kind of embodiment, throwing screen content includes audio/video flow, then step 5 includes: and receives server by public network to make
The audio/video flow of the cloud mobile phone push forwarded after being encrypted with symmetric encipherment algorithm；Wherein, the audio/video frames of audio/video flow only encrypt
The byte of preceding first threshold quantity.
In a kind of embodiment, throwing screen content includes command information, then step 5 includes: and receives server by public network to make
The command information of the cloud mobile phone push forwarded after being encrypted with symmetric encipherment algorithm；Wherein, command information all encrypts.
In a kind of embodiment, rivest, shamir, adelman include RSA Algorithm, ECC algorithm, Diffie-Hellman algorithm,
Any one in El Gamal algorithm；Symmetric encipherment algorithm includes DES algorithm, 3DES algorithm, Blowfish algorithm, RC4 calculation
Any one in method, RC5 algorithm, RC6 algorithm and aes algorithm.
A kind of mobile terminal is proposed in embodiment of the present invention, which is characterized in that mobile terminal includes one or more the
One processor, first memory and one or more programs, mobile terminal and server are communicated to connect by public network, service
Device and cloud mobile phone are communicated to connect by private network, wherein one or more programs are stored in first memory, and are configured
It is executed by one or more first processors, program requires 1-4 any one cloud mobile phone safe to throw the side shielded for perform claim
The instruction of method.
Embodiment of the present invention proposes a kind of methods that cloud mobile phone safe throws screen, which is characterized in that client and server
It being communicated to connect by public network, server and cloud mobile phone are communicated to connect by private network, this method comprises:
Step 1, the public key that client is generated and sent using rivest, shamir, adelman is received；
Step 2, the unique key first generated using symmetric encipherment algorithm, recycles received public key to add the key
Encrypted key is fed back into client after close；
Step 3, the authentication issued after the key encrypted authentication information that client is solved using the corresponding private key of public key is received
Request；
Step 4, authenticating result is sent to client, and receives the throwing screen that client issues when authenticating result is successfully and asks
It asks；
Step 5, the throwing screen content not encrypted that cloud mobile phone is forwarded by private network is received, uses symmetric cryptography to screen content is thrown
Client is sent to by public network after algorithm for encryption and carries out throwing screen.
In a kind of embodiment, throwing screen content includes audio/video flow, then step 5 includes: and receives cloud mobile phone and pass through private network to turn
The throwing screen content of hair not encrypted is sent to client progress by public network after screen content is encrypted using symmetric encipherment algorithm to throwing
Throw screen；Wherein, the byte of first threshold quantity before the audio/video frames of audio/video flow only encrypt.
In a kind of embodiment, throwing screen content includes command information, then step 5 includes: and receives cloud mobile phone and pass through private network to turn
The throwing screen content of hair not encrypted is sent to client progress by public network after screen content is encrypted using symmetric encipherment algorithm to throwing
Throw screen；Wherein, command information all encrypts.
In a kind of embodiment, rivest, shamir, adelman include RSA Algorithm, ECC algorithm, Diffie-Hellman algorithm,
Any one in El Gamal algorithm；Symmetric encipherment algorithm includes DES algorithm, 3DES algorithm, Blowfish algorithm, RC4 calculation
Any one in method, RC5 algorithm, RC6 algorithm and aes algorithm.
Embodiment of the present invention proposes a kind of servers, which is characterized in that includes at one or more second on server
Device, second memory and one or more programs are managed, mobile terminal and server are communicated to connect by public network, server and cloud
Mobile phone is communicated to connect by private network, wherein one or more programs are stored in second memory, and are configured by one
Or multiple second processors execute, program requires the finger of the method for 6-9 any one cloud mobile phone safe throwing screen for perform claim
It enables.
The cloud mobile phone safe of embodiment of the present invention throws method, mobile terminal and the server of screen, adds first with asymmetric
Close algorithm realizes authentication, starts to throw screen after authenticating successfully, and cloud mobile phone is transmitted to the throwing screen content of server by private network
It not encrypting, server is encrypted by the throwing screen content that public network is sent to client using symmetric encipherment algorithm, in this way,
It ensure that safety, and part of links encryption is realized and taken into account to efficiency.
The advantages of additional aspect of the invention, will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of embodiments of the present invention are from combination following accompanying drawings to embodiment
It will be apparent and be readily appreciated that in description, in which:
Fig. 1 is the flow diagram that a kind of cloud mobile phone safe of embodiment of the present invention throws the method for screen；
Fig. 2 is the schematic network structure of embodiment of the present invention；
Fig. 3 is the flow diagram that another cloud mobile phone safe of embodiment of the present invention throws the method for screen.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical or class
As label indicate same or similar element or element with the same or similar functions from beginning to end.Below with reference to attached
The embodiment of figure description is exemplary, and can only be used to explain embodiments of the present invention, and should not be understood as to the present invention
Embodiment limitation.
Embodiment 1
Referring to Fig. 1, the method that the cloud mobile phone safe of embodiment of the present invention throws screen, this method comprises:
Step 1, client generates public key using rivest, shamir, adelman and is sent to server；
Step 2, client receives the feedback of server；Wherein, server first uses symmetric encipherment algorithm to generate
Encrypted key is fed back to client after recycling received public key to encrypt the key by unique key；
Step 3, client solves key using the corresponding private key of public key, is sent to service using key encrypted authentication information
Device is authenticated；
Step 4, client receives authenticating result and when authenticating result is successfully, issues to server and throws screen request；
Step 5, client receives the cloud mobile phone forwarded after server is encrypted using symmetric encipherment algorithm by public network and pushes
Throwing screen content；Wherein, cloud mobile phone is not encrypted by the throwing screen content that private network is transmitted to server.
Referring to Fig. 2, the network structure applied in present embodiment include user real handset or true mobile terminal,
Client is installed, client and server is communicated to connect by public network, and server and cloud mobile phone pass through private on the mobile terminal
Network Communication connection, in general, the wide area network (WAN) that public network just refers to, the local area network (LAN) that private network just refers to.Wide area network
(WAN) Internet being just known as, it is a network all over the world.Local area network (LAN), relative to wide area network
(WAN) for, it is primarily referred to as the computer interconnected network in a small range.This " small range " can be a machine of company
Room or a network cluster.Each computer (or other network equipments) on wide area network has one or more wide areas
Net IP address (public network, outer net IP address in other words), wide area network IP address will generally arrive at ISP pay dues after could apply arriving,
Wide area network IP address cannot repeat；Each computer (or other network equipments) on local area network (LAN) has one or more
LAN IP address (private network, IP address of internal network in other words), LAN IP address are that local area network inner part is matched, Different LANs
IP address can repeat, will not influence each other.
In step 1, client generates public key and uses rivest, shamir, adelman.Rivest, shamir, adelman refers to encryption reconciliation
The Encryption Algorithm of the different keys of secret emissary, also referred to as public private key encryption.Assuming that two users will encrypt exchange data, both sides' exchange
Public key, the one side public key encryption of other side, another party can be used the private key of oneself to decrypt when use.If there is n use in enterprise
Family, enterprise needs to generate n to key, and distributes n public key.Due to public key be can be disclosed, as long as user takes good care of oneself
Private key, therefore the distribution of encryption key will become very simple.Simultaneously as the private key of each user be it is unique,
Other users in addition to can whether true come the source of verification information by the public key of information transmitter, it may also be ensured that hair
The person of sending can not deny once being transmitted across the information.The shortcomings that asymmetric encryption is that encryption/decryption speed will be much more slowly than symmetric cryptography,
Under certain extreme cases, or even can be upper 1000 times slower than asymmetric encryption.In embodiment of the present invention, rivest, shamir, adelman packet
Include but be not limited to RSA Algorithm, ECC algorithm, Diffie-Hellman algorithm, any one in El Gamal algorithm.In step 1
By taking RSA Algorithm as an example, client generates unique RSA public key and is then sent to server.
In step 2, client receives the key of server feedback.The key of server feedback is using symmetric encipherment algorithm
It generates.Symmetric encipherment algorithm refers to that encryption and decryption use the Encryption Algorithm of same key.The advantages of symmetric encipherment algorithm, is
Difficult cracking when the high speed and the long key of use of encryption and decryption.In embodiment of the present invention, symmetric encipherment algorithm includes but not
It is limited to any one in DES algorithm, 3DES algorithm, Blowfish algorithm, RC4 algorithm, RC5 algorithm, RC6 algorithm and aes algorithm
?.Client receives the key of server feedback in step 2, by taking the symmetric encipherment algorithm that server uses is RC4 algorithm as an example,
It is server using the unique key first generated using symmetric encipherment algorithm RC4 algorithm, i.e. RC4 key, recycles received RSA
Public key feeds back to client after encrypting to the RC4 key.
In step 3, client solves RC4 key with the corresponding private key of RSA public key for issuing server, uses RC4 key
Encrypted authentication information is sent to server and is authenticated.Client and the authentication of server are the processes of a certification, are based on
The auth method of Token is briefly discussed below:
1. client is logged in using user name with password request
2. server receives request and removes verifying user name and password
3. after being proved to be successful, server can sign and issue a Token, then this Token is sent to client
4. client is received and it can be stored after Token, for example it is placed in Cookie or Local
In Storage
5. client requests the Token for needing to sign and issue with server when resource to server every time
6. server receives request, then go inside verifying client request with Token, if be proved to be successful, just
The data of request are returned to client.
Generally speaking it is exactly client after logging in for the first time, when server receives authentication request again, just only recognizes
Token, as long as request every time takes token, server end can intercept all requests, then verify token
Legitimacy, legal authenticate in successful situation just let pass, illegal i.e. failed authentication or authentication is unsuccessful is returned to 401.
So the legal then server feedback of token authenticates successful result to client, given conversely, feedback authenticates unsuccessful result
Client.Certainly, authentication process can also be other modes.
In step 4, client receives authenticating result and when authenticating result is successfully, issues to server and throws screen request,
Begin preparing throwing screen.
In step 5, client receives the throwing screen content that the cloud mobile phone that server forwards pushes by public network.According to network knot
Structure, this process can be subdivided into two parts, and one is the communication process in private network, the other is the communication process between public network.
The throwing of client screen request is first sent to cloud mobile phone by server in a manner of not encrypting, the cloud mobile phone then side equally not encrypt
Screen content is thrown in formula push, and due to being to be communicated between server and cloud mobile phone in private network, the communication between private network can be to be not added
Close mode is transmitted.Receive cloud mobile phone push throwing screen content after, server can according to different throwing screen contents, if
It sets different cipher modes and is then forwarded to client.
In a kind of situation, throwing screen content includes audio/video flow, then step 5 includes: that client by public network receives server
The audio/video flow of the cloud mobile phone push of forwarding.Audio/video flow is to be sent to client after server is encrypted using symmetric encipherment algorithm
, but since the file of audio/video flow is usually bigger, may influence to throw the efficiency that screen uses if all encryptions, but not
Encryption then will appear security risk.So the audio/video frames of audio/video flow only encrypt the byte of preceding first threshold quantity.This implementation
In mode, first threshold quantity can be 32 or 64, i.e. the audio/video frames of audio/video flow only encrypt preceding 32 or 64 bytes, real in this way
Existing efficiency is taken into account with both safety.
In another situation, throwing screen content includes command information, then step 5 includes: that client is serviced by public network reception
The command information of the cloud mobile phone push of device forwarding；Command information is to be sent to client after server is encrypted using symmetric encipherment algorithm
End, since command information usually influences less bandwidth cost, so can pass through server during entire throwing screen
Public network is sent to client instructions information and is set as whole encryptions.
It is authenticated in conclusion present embodiment is realized first with rivest, shamir, adelman, starts to throw screen after authenticating successfully,
And cloud mobile phone is not encrypted by the throwing screen content that private network is transmitted to server, and server is sent to the throwing of client by public network
Screen content is encrypted using symmetric encipherment algorithm, in this way, that is, ensure that safety, and part of links encryption realizes pair
Efficiency is taken into account.
Embodiment 2
A kind of mobile terminal of embodiment of the present invention, the mobile terminal include one or more first processors, first
Memory and one or more programs, mobile terminal and server are communicated to connect by public network, and server and cloud mobile phone pass through
Private network communication connection, wherein one or more programs are stored in first memory, and are configured by one or more the
One processor executes, and program is used to execute the instruction for the method that 1 medium cloud mobile phone safe of embodiment throws screen, i.e., installs on mobile terminal
There is client, which executes following methods in a manner of one or more programs:
Step 1, public key is generated using rivest, shamir, adelman and be sent to server；
Step 2, the feedback of server is received；Wherein, the unique key that server first uses symmetric encipherment algorithm to generate, then
Encrypted key is fed back into client after encrypting using received public key to the key；
Step 3, key is solved using the corresponding private key of public key, is sent to server using key encrypted authentication information and carries out
Authentication；
Step 4, authenticating result and when authenticating result be successfully is received, issues to throw to shield to server and request；
Step 5, the throwing screen of the cloud mobile phone push forwarded after server is encrypted using symmetric encipherment algorithm is received by public network
Content；Wherein, cloud mobile phone is not encrypted by the throwing screen content that private network is transmitted to server.
Embodiment 3
Referring to Fig. 3, the method that a kind of cloud mobile phone safe of embodiment of the present invention throws screen, this method comprises:
Step 1, server receives the public key that client is generated and sent using rivest, shamir, adelman；
Step 2, the unique key that server first uses symmetric encipherment algorithm to generate, recycles received public key to the key
Encrypted key is fed back into client after being encrypted；
Step 3, server issues after receiving the key encrypted authentication information that client is solved using the corresponding private key of public key
Authentication request；
Step 4, server sends authenticating result to client, and receives what client issued when authenticating result is successfully
Throw screen request；
Step 5, server receives the throwing screen content not encrypted that cloud mobile phone is forwarded by private network, shields content use pair to throwing
Client is sent to by public network after claiming Encryption Algorithm to encrypt and carries out throwing screen.
The network structure applied in the present embodiment please refers to Fig. 2.
In step 1, client utilizes including but not limited to RSA Algorithm, ECC algorithm, Diffie-Hellman algorithm, El
After any one rivest, shamir, adelman in Gamal algorithm generates public key, the public key is sent to server.This sentences step 1
For RSA Algorithm, server receives unique RSA public key that client generates and sends.
In step 2, server using include but is not limited to DES algorithm, 3DES algorithm, Blowfish algorithm, RC4 algorithm,
Any one symmetric encipherment algorithm in RC5 algorithm, RC6 algorithm and aes algorithm generates key and feeds back to client again, this is sentenced
The symmetric encipherment algorithm that server uses is the unique key that server use is first generated using RC4 algorithm for RC4 algorithm,
That is RC4 key feeds back to client after recycling received RSA public key to encrypt the RC4 key.
In step 3, server receives the authentication request that client is sent, wherein the authentication request is client with issuing
The corresponding private key of RSA public key of server solves RC4 key, uses the authentication request of RC4 key encrypted authentication delivering.Mirror
Power process introduces detailed in Example 1, and details are not described herein.
Step 4, server feedback is unsuccessful including authenticating successfully and authenticating to the authenticating result of client, and authenticating result can
In a manner of being token, it is also possible to other modes.Server to client send authenticating result, and authenticating result be at
The throwing screen request that client issues is received when function.
In step 5, the throwing screen content of cloud mobile phone is sent to client by server.It include herein two processes, one is
Communication process in private network, the other is the communication process between public network.Server first requests the throwing screen of client not encrypt
Mode be sent to cloud mobile phone, cloud mobile phone then equally pushes throwing screen content in a manner of not encrypting, due to server and Yun Shouji
Between be to be communicated in private network, the communication between private network can be transmitted in a manner of not encrypting.Receiving the push of cloud mobile phone
Throwing screen content after, server can be arranged different cipher modes and be then forwarded to client according to different throwing screen contents.
In a kind of situation, throwing screen content includes audio/video flow, then step 5 includes: that server receives cloud mobile phone and passes through private network
Forwarding the throwing screen content not encrypted, to throw screen content encrypted using symmetric encipherment algorithm after by public network be sent to client into
Row throws screen.Audio/video flow is that client is sent to after server is encrypted using symmetric encipherment algorithm, but due to audio/video flow
File it is usually bigger, may influence to throw the efficiency that uses of screen if all encryptions, but do not encrypt, it is hidden to will appear safety
Suffer from.So the audio/video frames of audio/video flow only encrypt the byte of preceding first threshold quantity.In present embodiment, first threshold quantity
It can be 32 or 64, i.e. the audio/video frames of audio/video flow only encrypt preceding 32 or 64 bytes, and both efficiency and safety is achieved
It takes into account.
In another situation, throwing screen content includes command information, then step 5 includes: that server reception cloud mobile phone passes through private
The throwing screen content not encrypted for netting forwarding is sent to client by public network after screen content is encrypted using symmetric encipherment algorithm to throwing
Carry out throwing screen.Command information is to be sent to client after server is encrypted using symmetric encipherment algorithm, since command information is logical
Often bandwidth cost is influenced less, so server can be sent to client during entire throwing screen by public network and referred to
Information is enabled to be set as whole encryptions.
It is authenticated in conclusion present embodiment is realized first with rivest, shamir, adelman, starts to throw screen after authenticating successfully,
And cloud mobile phone is not encrypted by the throwing screen content that private network is transmitted to server, and server is sent to the throwing of client by public network
Screen content is encrypted using symmetric encipherment algorithm, in this way, that is, ensure that safety, and part of links encryption realizes pair
Efficiency is taken into account.
Embodiment 4
Embodiments of the present invention propose a kind of server, include one or more second processors, the on the server
Two memories and one or more programs, mobile terminal and server are communicated to connect by public network, and server and cloud mobile phone are logical
Cross private network communication connection, wherein one or more programs are stored in second memory, and are configured by one or more
Second processor executes.Specifically, server executes the instruction of following methods in a manner of one or more programs:
Step 1, the public key that client is generated and sent using rivest, shamir, adelman is received；
Step 2, the unique key first generated using symmetric encipherment algorithm, recycles received public key to add the key
Encrypted key is fed back into client after close；
Step 3, the authentication issued after the key encrypted authentication information that client is solved using the corresponding private key of public key is received
Request；
Step 4, authenticating result is sent to client, and receives the throwing screen that client issues when authenticating result is successfully and asks
It asks；
Step 5, the throwing screen content not encrypted that cloud mobile phone is forwarded by private network is received, uses symmetric cryptography to screen content is thrown
Client is sent to by public network after algorithm for encryption and carries out throwing screen.
In the present invention, the second processor on first processor and server on mobile terminal can be identical processing
Device is also possible to different processors, and the differentiation in name herein is the convenience for statement.Similarly, on mobile terminal
Second memory on one memory and server can be identical memory, is also possible to different memories, orders herein
Differentiation in name is the convenience for statement.I.e. term " first ", " second " are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include one or more feature.In the description of embodiments of the present invention,
The meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of embodiments of the present invention, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For ability
For the those of ordinary skill in domain, can understand as the case may be above-mentioned term in embodiments of the present invention specifically contain
Justice.
Following disclosure provides many different embodiments or example is used to realize embodiments of the present invention not
Same structure.In order to simplify the disclosure of embodiments of the present invention, hereinafter the component of specific examples and setting are described.When
So, they are merely examples, and is not intended to limit the present invention.In addition, embodiments of the present invention can be in different examples
Repeat reference numerals and/or reference letter in son, this repetition are for purposes of simplicity and clarity, itself not indicate to be begged for
By the relationship between various embodiments and/or setting.In addition, the various specific techniques that embodiments of the present invention provide
With the example of material, but those of ordinary skill in the art may be aware that the application of other techniques and/or other materials make
With.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", specific examples or " some examples " etc. means the tool described in conjunction with the embodiment or example
Body characteristics, structure, material or feature are contained at least one embodiment or example of the invention.In the present specification,
Schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processing module or other can be from instruction
Execute system, device or equipment instruction fetch and the system that executes instruction) use, or combine these instruction execution systems, device or
Equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any may include, store, communicating, propagating or
Transfer program uses for instruction execution system, device or equipment or in conjunction with these instruction execution systems, device or equipment
Device.The more specific example (non-exhaustive list) of computer-readable medium include the following: there are one or more wirings
Electrical connection section (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of embodiments of the present invention can be with hardware, software, firmware or their combination come real
It is existing.In the above-described embodiment, multiple steps or method can be with storages in memory and by suitable instruction execution system
The software or firmware of execution is realized.For example, if realized with hardware, in another embodiment, ability can be used
Any one of following technology or their combination well known to domain is realized: being had for realizing logic function to data-signal
The discrete logic of logic gates, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array
(PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.In addition, in each implementation of the invention
Each functional unit in example can integrate in a processing module, is also possible to each unit and physically exists alone, can also be with
Two or more units are integrated in a module.Above-mentioned integrated module both can take the form of hardware realization,
It can be realized in the form of software function module.If the integrated module is realized and is made in the form of software function module
It is independent product when selling or using, also can store in a computer readable storage medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of method that cloud mobile phone safe throws screen, which is characterized in that client and server is communicated to connect by public network, service
Device and cloud mobile phone are communicated to connect by private network, this method comprises:
Step 1, public key is generated using rivest, shamir, adelman and be sent to server；
Step 2, the feedback of server is received；Wherein, the unique key that server first uses symmetric encipherment algorithm to generate recycles
Encrypted key is fed back to client after encrypting to the key by received public key；
Step 3, key is solved using the corresponding private key of public key, is sent to server using key encrypted authentication information and reflects
Power；
Step 4, authenticating result and when authenticating result be successfully is received, issues to throw to shield to server and request；
Step 5, the throwing screen content of the cloud mobile phone push forwarded after server is encrypted using symmetric encipherment algorithm is received by public network；
Wherein, cloud mobile phone is not encrypted by the throwing screen content that private network is transmitted to server.
2. the method that cloud mobile phone safe as described in claim 1 throws screen, which is characterized in that throwing screen content includes audio/video flow, then
Step 5 includes: the audio/video flow that the cloud mobile phone push forwarded after server is encrypted using symmetric encipherment algorithm is received by public network；
Wherein, the byte of first threshold quantity before the audio/video frames of audio/video flow only encrypt.
3. the method that cloud mobile phone safe as described in claim 1 throws screen, which is characterized in that throwing screen content includes command information, then
Step 5 includes: the command information that the cloud mobile phone push forwarded after server is encrypted using symmetric encipherment algorithm is received by public network；
Wherein, command information all encrypts.
4. the method that cloud mobile phone safe as described in claim 1 throws screen, which is characterized in that rivest, shamir, adelman includes that RSA is calculated
Method, ECC algorithm, Diffie-Hellman algorithm, any one in El Gamal algorithm；Symmetric encipherment algorithm includes that DES is calculated
Any one in method, 3DES algorithm, Blowfish algorithm, RC4 algorithm, RC5 algorithm, RC6 algorithm and aes algorithm.
5. a kind of mobile terminal, which is characterized in that mobile terminal include one or more first processors, first memory, with
And one or more programs, mobile terminal and server are communicated to connect by public network, server and cloud mobile phone are communicated by private network
Connection, wherein one or more programs are stored in first memory, and are configured by one or more first processors
It executes, program requires the instruction of the method for 1-4 any one cloud mobile phone safe throwing screen for perform claim.
6. a kind of method that cloud mobile phone safe throws screen, which is characterized in that client and server is communicated to connect by public network, service
Device and cloud mobile phone are communicated to connect by private network, this method comprises:
Step 1, the public key that client is generated and sent using rivest, shamir, adelman is received；
Step 2, the unique key first generated using symmetric encipherment algorithm, after recycling received public key to encrypt the key
Encrypted key is fed back into client；
Step 3, the authentication request issued after the key encrypted authentication information that client is solved using the corresponding private key of public key is received；
Step 4, authenticating result is sent to client, and receives the throwing screen that client issues when authenticating result is successfully and requests；
Step 5, the throwing screen content not encrypted that cloud mobile phone is forwarded by private network is received, uses symmetric encipherment algorithm to screen content is thrown
Client is sent to by public network after encryption and carries out throwing screen.
7. the method that cloud mobile phone safe as claimed in claim 6 throws screen, which is characterized in that throwing screen content includes audio/video flow, then
Step 5 includes: the throwing screen content not encrypted for receiving cloud mobile phone and being forwarded by private network, uses symmetric encipherment algorithm to screen content is thrown
Client is sent to by public network after encryption and carries out throwing screen；Wherein, first threshold number before the audio/video frames of audio/video flow only encrypt
The byte of amount.
8. the method that cloud mobile phone safe as claimed in claim 6 throws screen, which is characterized in that throwing screen content includes command information, then
Step 5 includes: the throwing screen content not encrypted for receiving cloud mobile phone and being forwarded by private network, uses symmetric encipherment algorithm to screen content is thrown
Client is sent to by public network after encryption and carries out throwing screen；Wherein, command information all encrypts.
9. the method that cloud mobile phone safe as claimed in claim 6 throws screen, which is characterized in that rivest, shamir, adelman includes that RSA is calculated
Method, ECC algorithm, Diffie-Hellman algorithm, any one in El Gamal algorithm；Symmetric encipherment algorithm includes that DES is calculated
Any one in method, 3DES algorithm, Blowfish algorithm, RC4 algorithm, RC5 algorithm, RC6 algorithm and aes algorithm.
10. a kind of server, which is characterized in that include on server one or more second processors, second memory and
One or more programs, mobile terminal and server are communicated to connect by public network, and server and cloud mobile phone pass through private network communication link
It connects, wherein one or more programs are stored in second memory, and are configured to be held by one or more second processors
Row, program require the instruction of the method for 6-9 any one cloud mobile phone safe throwing screen for perform claim.
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| CN201811583169.9A CN109639697A (en) | 2018-12-24 | 2018-12-24 | Cloud mobile phone safe throws method, mobile terminal and the server of screen |
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