CN102546601A - Auxiliary device of cloud computing terminal for accessing virtual machine - Google Patents
Auxiliary device of cloud computing terminal for accessing virtual machine Download PDFInfo
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- CN102546601A CN102546601A CN201110431142XA CN201110431142A CN102546601A CN 102546601 A CN102546601 A CN 102546601A CN 201110431142X A CN201110431142X A CN 201110431142XA CN 201110431142 A CN201110431142 A CN 201110431142A CN 102546601 A CN102546601 A CN 102546601A
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Abstract
The invention discloses an auxiliary device of a cloud computing terminal for accessing a virtual machine, which comprises a connection module and a universal serial bus (usb) key, wherein the connection module has a function of transmitting various requests and information among the cloud terminal, the usb key and the virtual machine, usb key personal identification codes and related information of the virtual machine are stored in the usb key, after user identification is verified, the usb key encrypts and transmits related information of the virtual machine, and data transmission is safe. A user can access the virtual machine merely by holding the confirm password of the usb key and selecting corresponding virtual machines, when a plurality of virtual machines are accessed, the user name and the password of each virtual machine are not needed to be recorded, the user only needs to pull out the usb key from the cloud terminal when the user wants to quit access with the virtual machine temporarily, and therefore the auxiliary device is easy and convenient to operate.
Description
Technical field
The present invention relates to the cloud computing technical field, the servicing unit of particularly a kind of cloud computing terminal access of virtual machine.
Background technology
Cloud computing " cloud " is exactly the resource on the server cluster that is present on the Internet; It comprises hardware resource (server, memory, CPU etc.) and software resource (like application software, IDE etc.); Local computer only need send a demand information through the Internet; Far-end just has thousands of computer and the resource of needs is provided and the result is turned back to local computer for it; Like this, what local computer need do hardly, and all processing are all accomplished at the computer cluster that cloud computing provider is provided.The final goal of cloud computing is with calculating, service and uses and offer the public as a kind of communal facility, makes people's resource that can as making water, electricity, coal gas and phone, use a computer.
The cloud computing terminal is an important step in the cloud computing industrial chain.In the framework of cloud computing, have only " cloud "+terminal, service and calculating all at " cloud ", and professional use and represent all at the cloud computing terminal, that is to say that the user uses " cloud " interior various services through the cloud computing terminal.The development of cloud computing has promoted the development at cloud computing terminal, and cloud computing is worth must could ideally present to the user through the cloud computing terminal.Following content abbreviates the cloud computing terminal as the cloud terminal.
Through Intel Virtualization Technology, virtual machine offers the cloud terminal use as service through cloud computing system and uses.In order to let the terminal use use virtual machine, the cloud terminal must connect with virtual machine, lets the user login dummy machine system.
The scheme of cloud terminal access of virtual machine employing at present: the cloud terminal is sent connection request according to user's request to virtual machine, and virtual machine is handled request, sends the username and password authentication request to the cloud terminal; The user is after username and password is submitted at the cloud terminal to; Virtual machine carries out verification to the authentication information of receiving, through then connecting, if not; The failure that connects, the user can't use virtual machine.
There is following shortcoming in above-mentioned connectivity scenario:
Shortcoming 1: the process that cloud terminal and virtual machine connect is dangerous
Reason: at present; Cloud terminal and virtual machine are directly to adopt virtual desktop agreement (like RDP etc.) to connect through network; The content of connection procedure is directly in transmission over networks; And virtual desktop agreement (RDP etc.) is not very strong to the function of keeping secret of data, so the data content of connection procedure is easy to monitored and intercept and capture on network, makes connection procedure very dangerous.
Shortcoming 2: a little less than the authentication of virtual machine
Reason: in the existing scheme, the cloud terminal sends to virtual machine with the virtual machine user name and the password of user's input through network, and virtual machine carries out verification to username and password and accomplishes authentication.In this way; Do not change under the password situation the user; The authentication information of virtual machine will forever remain unchanged; Therefore in case username and password is intercepted and captured, is monitored by other people or other people obtain password (as being stolen a glance at when importing password as the user etc.) through other means at network transmission process, other people then can be easily authentication through virtual machine operate on it and obtain the individual subscriber data in the user virtual machine.
Shortcoming 3: user's troublesome poeration
Reason: each virtual machine has username and password separately; When a user has a plurality of virtual machine, then must be remembered that the username and password that each virtual machine is corresponding, this shines into a lot of inconvenience to the user; In case the user forgets the password that virtual machine is corresponding, this will cause this virtual machine to use.In addition, when the user is in a hurry will leave the time temporarily, the user must manually break off attended operation to each virtual machine, and this also can cause a lot of inconvenience to the user.
Summary of the invention
The servicing unit of cloud computing of the present invention terminal access of virtual machine strengthens the fail safe of cloud computing terminal access of virtual machine, simultaneously, simplifies user's operation.
The servicing unit of cloud computing of the present invention terminal access of virtual machine comprises link block and usbkey, and said link block links to each other with cloud terminal, virtual machine and said usbkey respectively,
After said link block is received the request of the access of virtual machine of sending at the cloud terminal; Send the request of usbkey PIN to the cloud terminal; The usbkey PIN that the cloud terminal is sent is forwarded to said usbkey; The usbkey PIN that said usbkey receives according to the usbkey individual identification code check of being stored, verification is through then notifying said link block, and said link block is sent connection request to virtual machine; The virtual machine access identity authentication request that sink virtual machine returns; Extract the virtual machine name list and be sent to the cloud terminal from said usbkey, the virtual machine title that the desire that the cloud terminal is sent inserts is forwarded to said usbkey, and said usbkey searches user-virtual machine identification information of being stored; User-virtual machine identification information that will be corresponding with the virtual machine that said desire inserts is forwarded to the virtual machine that said desire inserts through said link block after encrypting according to predetermined encryption rule.
Preferably; Also comprise the usbkey real-time monitoring module; Said usbkey is inserted on the cloud terminal; Said usbkey real-time monitoring module is used for monitoring in real time the insertion state of said usbkey at the cloud terminal, when monitoring said usbkey when being pulled out, breaks off being connected of virtual machine that said desire inserts and cloud terminal.
Preferably; Said usbkey comprises computing module and memory module; Said memory module comprises usbkey individual identification code memory unit and user-virtual machine identification information storage unit, said user-virtual machine identification information storage unit storage user-virtual machine identification information and index thereof
Said computing module; Be used for the usbkey PIN that the usbkey individual identification code check according to said usbkey PIN cell stores receives; Verification is through then notifying said link block; Also be used for index search and the corresponding user-virtual machine identification information of virtual machine that the said desire that receives inserts, after predetermined encryption rule encryption, be forwarded to the virtual machine that said desire inserts through said link block according to said user-virtual machine identification information.
Preferably; Said link block is after virtual machine sends connection request; Also receive random number from virtual machine; The virtual machine title that the said desire that said random number and cloud terminal are sent inserts is forwarded to said usbkey in the lump, the corresponding user-virtual machine identification information of the virtual machine that said usbkey inserts said random number and said desire according to predetermined encryption rule encryption after, be forwarded to the virtual machine of said desire access through said link block.
Preferably; Said user-virtual machine identification information comprises virtual machine user name and password, private key for user or digital signature, and said link block adopts the data communication encryption technology that the corresponding user-virtual machine identification information of virtual machine that said desire inserts is carried out encrypted transmission.
The servicing unit of cloud computing of the present invention terminal access of virtual machine; Comprise link block and usbkey; Link block plays the effect of transmitting various requests and information between cloud terminal, usbkey and the virtual machine, has preserved usbkey PIN and virtual machine related information among the usbkey, and it is after user identity is through verification; With transmitting data transmission security after the virtual machine related information encryption.The user only need hold the authentication password of usbkey and select corresponding virtual machine to get final product the access of virtual machine; When inserting a plurality of virtual machine; Need not to write down the user name and the password of each virtual machine; When the user thinks temporarily to withdraw from being connected of virtual machine, only need pull up usbkey from the cloud terminal, simple to operation.
Description of drawings
Fig. 1 is the structural representation of the servicing unit of cloud computing of the present invention terminal access of virtual machine;
Fig. 2 is the schematic flow sheet that adopts the servicing unit access of virtual machine of cloud computing of the present invention terminal access of virtual machine.
Embodiment
The servicing unit of cloud computing of the present invention terminal access of virtual machine; The user will connect with virtual machine; At first must hold the usbkey equipment of storing this virtual machine respective identification information, secondly also need know the authentication password of usbkey, lack one and all can not connect this virtual machine.In addition, verification process is introduced random number, and the authentication information that makes each virtual machine connect is all different, can effectively prevent Replay Attack like this.Usbkey can store a plurality of users-virtual machine identification information, and the user need not remember the username and password of each virtual machine, only needs just can connect with a plurality of virtual machines with a usbkey.When the user thought temporarily to withdraw from dummy machine system, in the existing scheme, the user needed each virtual machine is manually broken off attended operation.And in this programme, the user only need extract the usbkey equipment on the cloud terminal, and then virtual machine breaks off and being connected of cloud terminal immediately, has simplified user's operation so greatly.In addition, this servicing unit adopts data communication encryption technology (like ssl protocol, tls protocol, IPsec agreement etc.) that the data of connection procedure are carried out encrypted transmission.The data communication encryption technology can be guaranteed in the transmission course of data on network not can be by intercepting and eavesdropping, but the integrality of service data in addition guarantees that data are not changed in transmission course.Below in conjunction with accompanying drawing and the detailed the present invention of embodiment.
The servicing unit of cloud computing of the present invention terminal access of virtual machine, as shown in Figure 1, comprise link block and usbkey, said link block links to each other with cloud terminal, virtual machine and said usbkey respectively,
After said link block is received the request of the access of virtual machine of sending at the cloud terminal; Send the request of usbkey PIN to the cloud terminal; The usbkey PIN that the cloud terminal is sent is forwarded to said usbkey; The usbkey PIN that said usbkey receives according to the usbkey individual identification code check of being stored, verification is through then notifying said link block, and said link block is sent connection request to virtual machine; The virtual machine access identity authentication request that sink virtual machine returns; Extract the virtual machine name list and be sent to the cloud terminal from said usbkey, the virtual machine title that the desire that the cloud terminal is sent inserts is forwarded to said usbkey, and said usbkey searches user-virtual machine identification information of being stored; User-virtual machine identification information that will be corresponding with the virtual machine that said desire inserts is forwarded to virtual machine through said link block after encrypting according to predetermined encryption rule.
As a preferred embodiment; Also comprise the usbkey real-time monitoring module; Said usbkey is inserted on the cloud terminal; Said usbkey real-time monitoring module is used for monitoring in real time the insertion state of said usbkey at the cloud terminal, when monitoring said usbkey when being pulled out, breaks off being connected of virtual machine and cloud terminal.
As a preferred embodiment; Said usbkey comprises computing module and memory module; Said memory module comprises usbkey individual identification code memory unit and user-virtual machine identification information storage unit, said user-virtual machine identification information storage unit storage user-virtual machine identification information and index thereof.
The usbkey PIN that said computing module receives according to the usbkey individual identification code check of said usbkey PIN cell stores, verification is through then notifying said link block.Computing module also according to the index search and the corresponding user-virtual machine identification information of virtual machine that the said desire that receives inserts of said user-virtual machine identification information, after predetermined encryption rule encryption, is forwarded to virtual machine through said link block.
The usbkey PIN is the outpost of the tax office, first road of usbkey, has only through the identification code authentication, and the user just has authority that the storage data among the usbkey are operated.The usbkey PIN of usbkey PIN cell stores can be divided into keeper's identification code and domestic consumer's identification code, and the keeper has access limit to the memory contents of usbkey, and domestic consumer has only read right to the memory contents of usbkey.User-virtual machine identification information storage unit comprises index and user-virtual machine identification information; Index record virtual machine name and the corresponding user-physical storage locations of virtual machine identification information in usbkey; That is to say that a user can hold a usbkey, and can store a plurality of users-virtual machine identification information among a usbkey.When the keeper creates a virtual machine to the user, generate the virtual machine identification information through pressing pre-defined rule and method, and the virtual machine identification information is write the usbkey storage, simultaneously corresponding identification information and encryption and decryption rule are deployed in the virtual machine.
As a preferred embodiment; Said link block is after virtual machine sends connection request; Also receive random number from virtual machine; The virtual machine title that the desire that said random number and cloud terminal are sent inserts is forwarded to said usbkey in the lump, the corresponding user-virtual machine identification information of the virtual machine that said usbkey inserts said random number and said desire according to the encryption rule encryption of being scheduled to after, be forwarded to virtual machine through said link block.
As a preferred embodiment; Said user-virtual machine identification information comprises virtual machine user name and password, private key for user or digital signature, and said link block adopts the data communication encryption technology that the corresponding user-virtual machine identification information of virtual machine that desire inserts is carried out encrypted transmission.
On the basis of such scheme, the flow process of user access virtual machine is as shown in Figure 2:
1. the attachable virtual machine information tabulation of cloud terminal explicit user, the user selects the virtual machine of required connection and sends the request of access of virtual machine to link block.
2. link block is handled the virtual machine connection request; Judge whether the cloud terminal has inserted usbkey,, then send the request of input usbkey PIN to the cloud terminal if inserted usbkey; And turn to next step, otherwise return the usbkey device prompts information of inserting to the cloud terminal.
3. the user imports the usbkey PIN, and input results sends to link block by the cloud terminal, and is transmitted to usbkey by link block.
4.usbkey middle computing module verified users PIN passes through like verification, sends authentication through information to link block, otherwise return authentication error message.
5. receive usbkey individual identification code authentication through information when link block, then the virtual machine to required access sends connection request, and turns to next step.If link block is received usbkey PIN authentication error information, judge then whether the authentication error number of times surpasses 3 times, if then return the information that the PIN authentication error surpasses 3 times, and withdraw from usbkey identification code verification process to the cloud terminal.If not, then return identification code authentication error information to the cloud terminal, the prompting user re-enters the usbkey PIN.
6. virtual machine is handled connection request, generates random number, sends random number and virtual machine access identity authentication request to link block.
7. link block is read the user-virtual machine identification information index in the usbkey memory module through the usb mouth, extracts the title of virtual machine in the index, forms the virtual machine name list, and turns back to the cloud terminal.Each virtual machine title of the user totem information index record of memory module and respective user-virtual machine identification information are at the physical location of usbkey storage.
8. the user need to select the virtual machine of connection, and selection result sends to link block, and link block sends to usbkey with virtual machine selection result and random number.
9.usbkey according to the virtual machine title that the user selects, from index, search user-concrete physical address of virtual machine identification information, thereby obtain user-virtual machine identification information.Computing module carries out be connected authentication information that cryptographic calculation form user-virtual machine with random number according to preset rule to user-virtual machine identification information, is sent to cloud terminal link block, and link block should connect authentication information again and be transmitted to virtual machine.
10. virtual machine carries out verification to connecting authentication information, if verification is passed through, then gets into dummy machine system, connects with the cloud terminal, and changes next step over to.If verification is not passed through, then through information and at cloud terminal do not show that to cloud terminal link block back-checking error message is to the user.
11. link block receives virtual machine successful connection information, and shows the connection result to the terminal.
The usbkey real-time monitoring module preferably places virtual machine Connection Service device end, is used for monitoring in real time the connection status of usbkey at the cloud terminal.The usbkey real-time monitoring module is whenever sent usbkey at a distance from one section special time to the cloud terminal and is connected the affirmation request; After request is received at the cloud terminal; Judge whether corresponding usbkey inserts, if then return successful connection information to the usbkey real-time monitoring module; Then return connection failure information if not, return usbkey connection failure, virtual machine disconnection prompting simultaneously to the usbkey real-time monitoring module.If the usbkey real-time monitoring module is confiscated any return information within a certain period of time after the usbkey connection request is sent at the cloud terminal, judge that then this attended operation is overtime, return connection failure information automatically.The usbkey real-time monitoring module is received connection failure information, breaks off being connected of virtual machine and cloud terminal immediately.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection range of the present invention.
Claims (5)
1. the servicing unit of a cloud computing terminal access of virtual machine is characterized in that, comprises link block and usbkey, and said link block links to each other with cloud terminal, virtual machine and said usbkey respectively,
After said link block is received the request of the access of virtual machine of sending at the cloud terminal; Send the request of usbkey PIN to the cloud terminal; The usbkey PIN that the cloud terminal is sent is forwarded to said usbkey; The usbkey PIN that said usbkey receives according to the usbkey individual identification code check of being stored, verification is through then notifying said link block, and said link block is sent connection request to virtual machine; The virtual machine access identity authentication request that sink virtual machine returns; Extract the virtual machine name list and be sent to the cloud terminal from said usbkey, the virtual machine title that the desire that the cloud terminal is sent inserts is forwarded to said usbkey, and said usbkey searches user-virtual machine identification information of being stored; User-virtual machine identification information that will be corresponding with the virtual machine that said desire inserts is forwarded to the virtual machine that said desire inserts through said link block after encrypting according to predetermined encryption rule.
2. the servicing unit of cloud computing according to claim 1 terminal access of virtual machine; It is characterized in that; Also comprise the usbkey real-time monitoring module, said usbkey is inserted on the cloud terminal, and said usbkey real-time monitoring module is used for monitoring in real time the insertion state of said usbkey at the cloud terminal; When monitoring said usbkey when being pulled out, break off being connected of virtual machine that said desire inserts and cloud terminal.
3. the servicing unit of cloud computing according to claim 1 and 2 terminal access of virtual machine; It is characterized in that; Said usbkey comprises computing module and memory module; Said memory module comprises usbkey individual identification code memory unit and user-virtual machine identification information storage unit, said user-virtual machine identification information storage unit storage user-virtual machine identification information and index thereof
Said computing module; Be used for the usbkey PIN that the usbkey individual identification code check according to said usbkey PIN cell stores receives; Verification is through then notifying said link block; Also be used for index search and the corresponding user-virtual machine identification information of virtual machine that the said desire that receives inserts, after predetermined encryption rule encryption, be forwarded to the virtual machine that said desire inserts through said link block according to said user-virtual machine identification information.
4. the servicing unit of cloud computing according to claim 1 and 2 terminal access of virtual machine; It is characterized in that; Said link block is after virtual machine sends connection request; Also receive random number from virtual machine; The virtual machine title that the said desire that said random number and cloud terminal are sent inserts is forwarded to said usbkey in the lump, the corresponding user-virtual machine identification information of the virtual machine that said usbkey inserts said random number and said desire according to predetermined encryption rule encryption after, be forwarded to the virtual machine of said desire access through said link block.
5. the servicing unit of cloud computing according to claim 1 and 2 terminal access of virtual machine; It is characterized in that; Said user-virtual machine identification information comprises virtual machine user name and password, private key for user or digital signature, and said link block adopts the data communication encryption technology that the corresponding user-virtual machine identification information of virtual machine that said desire inserts is carried out encrypted transmission.
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