CN104333542A - Cloud computing access control system and method - Google Patents
Cloud computing access control system and method Download PDFInfo
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- CN104333542A CN104333542A CN201410570687.2A CN201410570687A CN104333542A CN 104333542 A CN104333542 A CN 104333542A CN 201410570687 A CN201410570687 A CN 201410570687A CN 104333542 A CN104333542 A CN 104333542A
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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
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/101—Access control lists [ACL]
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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
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to a cloud computing access control system and method. The cloud computing access control system comprises a user access module which is used for realizing that a user sends a login request to a server of a cloud computing provider, the server responding to the login request of the user, and comprises an identity authentication module and a user management module; an access control module which is used for converting the login request of the user into an XACML format request and controlling and managing access right; a resource service management module which is used for managing different user access resources and monitoring and recording information of the user in the using process for log management; and an application service management module which is for initiating a call request to the resource service management module through a public interface, and comprises a resource service login module, a resource service deleting module and a resource service calling module. Through the organic integration of the monitoring mechanism and the XACML, flexibility of the authorization is enhanced; and the cloud computing access control system has fine grain performance, dynamic nature, extendibility and more security.
Description
Technical field
The present invention relates to cloud computing, particularly a kind of cloud computing access control system and method.
Background technology
Along with the development of cloud computing; cloud security problem becomes more and more important; very crucial to safeguard protections such as the confidentiality of user data, integrality, isolations in cloud computing environment; high in the clouds will realize the security protection of user side mass data; wherein access control technology is crucial; the flexible shape of mandate of existing access control system and extensibility are not strong, limit the extensive use of cloud computing.
Summary of the invention
The invention provides a kind of cloud computing access control system and method, with the flexible shape of the mandate improving access control system and extensibility.
In order to solve the problems of the technologies described above, a kind of cloud computing access control system, comprising:
User Access Module: for realizing the server transmission logging request of user to cloud computing provider, server responds the logging request of this user;
Access control module: for the logging request of described user is converted into XACML formatted request, and control and management access rights;
Resource service administration module: for managing different user access resources, the information log management of monitoring record user use procedure;
Application service management module: initiate call request to resource service administration module by an open Interface realization.
The invention has the beneficial effects as follows: application monitoring mechanism and XACML organically blend to strengthen the flexibility of mandate, and this cloud computing access control system has fine granularity, dynamic, extensibility and has more fail safe.
Further, described User Access Module comprises:
Authentication module: for verifying the identity of log on request user;
User management module: for management and the control of the information to user.
Further, described access control module comprises:
Access control policy implements module: for XACML formatted request is sent to access control decision module;
Access control decision module: for inquiring about the attribute of described user to tactical management point module according to XACML formatted request;
Tactical management point module: for providing strategy support to access control decision module, by the assessment of access control decision module to strategy, return assessment result and implement resume module to access control policy;
Access control information management point module: for providing the attribute query result of user to access control decision module.
Further, described access control policy enforcement module comprises:
Monitor module: for implementing to process the request of user, whether the environmental information of check system, the authorization value of user are consistent with authorising conditional, as found change, again sending request to access control decision module, requiring that access control decision module is reappraised to decision-making;
Update module: for the change of real-time supervisory user attribute, if when the authority of user does not meet the requirement of authority execution, announcement server suspends subscriber authorisation, and corresponding information is issued user.
Further, described access control decision module comprises:
Authorization rule module: for according to the attribute of user and service regeulations inspection access whether legal;
Condition module: utilize service regeulations and contextual information to determine whether the condition of authorization requests meets;
Evaluation module: together with condition module, Policy evaluation is carried out to the access request of main body in conjunction with authorization rule module.
Further, described application service management module comprises:
Application service Registering modules: for the application service information of the reference address of user's registration resource management service, functional description, access mode;
Application service removing module: for deleting the application service information of user;
Application service invocation module: for initiating call request by application service information to resource service administration module.
Adopting the beneficial effect of above-mentioned further scheme to be: by monitoring module access control authority more neatly, reminding and guiding user to provide the condition of necessity to meet access rights; Carrying out Policy evaluation to the access request of main body by authorization rule module, condition module together with voluntary module, is that access control is more safe and reliable.
The present invention also provides a kind of cloud computing access control method, comprises user access control step and user access control step:
User access control step comprises:
Step S1: user states a key proving identity, is stored in described key K EY in the USB Key of user side with in the server of cloud computing provider;
Step S2: user sends logging request to the server of cloud computing provider, and server responds the request of this user, and described server returns to described user random number X, X and a KEY and obtains informative abstract f through MD5 algorithm;
Step S3: informative abstract f is returned to described server, described server carries out MD5 computing by being stored in local random number X with the secret key KEY stored in the server;
Step S4: if when the operation result of described server end is identical with the informative abstract f of described user side, then think that user side is a legal user, otherwise be disabled user;
Access control step comprises:
Conduct interviews the enforcement of control strategy, user's logging request is converted into XACML formatted request, described XACML formatted request is sent to access decision control point, implements corresponding permission or refusal according to the result returned after many Policy evaluations.
Further, the enforcement of control strategy of conducting interviews described in also comprises access and monitors:
The request of real-time process user, whether the environmental information of check system, the authorization value of user are consistent with authorising conditional, as found change, again send request to access decision control point, require to ask that Decision Control point is reappraised to decision-making.
The invention has the beneficial effects as follows: by the double verification of user identity, enhance the fail safe of access control system, application monitoring mechanism and XACML organically blend the flexibility strengthening mandate, and this cloud computing access control system has fine granularity, dynamic, extensibility; By monitoring module access control authority more neatly, reminding and guiding user to provide the condition of necessity to meet access rights.
Accompanying drawing explanation
Fig. 1 is cloud computing access control system the general frame of the present invention,
Fig. 2 is the flow chart of user access control of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Fig. 1 is cloud computing access control system the general frame of the present invention, comprising:
User Access Module: for realizing the server transmission logging request of user to cloud computing provider, server responds the logging request of this user;
Access control module: for the logging request of described user is converted into XACML formatted request, and control and management access rights;
Resource service administration module: for managing different user access resources, the information log management of monitoring record user use procedure;
Application service management module: initiate call request to resource service administration module by an open Interface realization.
User Access Module comprises:
Authentication module: for verifying the identity of log on request user;
User management module: for management and the control of the information to user.
Access control module comprises:
Access control policy implements module: for XACML formatted request is sent to access control decision module;
Access control decision module: for inquiring about the attribute of described user to tactical management point module according to XACML formatted request;
Tactical management point module: for providing strategy support to access control decision module, by the assessment of access control decision module to strategy, return assessment result and implement resume module to access control policy;
Access control information management point module: for providing the attribute query result of user to access control decision module.
Access control policy is implemented module and is comprised:
Monitor module: for implementing to process the request of user, whether the environmental information of check system, the authorization value of user are consistent with authorising conditional, as found change, again sending request to access control decision module, requiring that access control decision module is reappraised to decision-making;
Update module: for the change of real-time supervisory user attribute, if when the authority of user does not meet the requirement of authority execution, announcement server suspends subscriber authorisation, and corresponding information is issued user.
Access control decision module comprises:
Authorization rule module: for according to the attribute of user and service regeulations inspection access whether legal;
Condition module: utilize service regeulations and contextual information to determine whether the condition of authorization requests meets;
Evaluation module: together with condition module, Policy evaluation is carried out to the access request of main body in conjunction with authorization rule module.
Application service management module comprises:
Resource service Registering modules: for the application service information of the reference address of user's registration resource management service, functional description, access mode;
Resource service removing module: for deleting the application service information of user;
Resource service calling module: for initiating call request by application service information to resource service administration module.
The invention has the beneficial effects as follows: application monitoring mechanism and XACML organically blend to strengthen the flexibility of mandate, and this cloud computing access control system has fine granularity, dynamic, extensibility and has more fail safe; By monitoring module access control authority more neatly, reminding and guiding user to provide the condition of necessity to meet access rights; Carrying out Policy evaluation to the access request of main body by authorization rule module, condition module together with voluntary module, is that access control is more safe and reliable.
The present invention also provides a kind of cloud computing access control method, comprises user access control step and user access control step:
Fig. 2 is the flow chart of user access control of the present invention,
User access control step comprises:
Step S1: user states a key proving identity, is stored in described secret key KEY in the USB Key of user side with in the server of cloud computing provider;
Step S2: user sends logging request to the server of cloud computing provider, and server responds the request of this user, and described server returns to described user random number X, X and a KEY and obtains informative abstract f through MD5 algorithm;
Step S3: informative abstract f is returned to described server, described server carries out MD5 computing by being stored in local random number X with the secret key KEY stored in the server;
Step S4: if when the operation result of described server end is identical with the informative abstract f of described user side, then think that user side is a legal user, otherwise be disabled user;
Access control step comprises:
Conduct interviews the enforcement of control strategy, user's logging request is converted into XACML formatted request, described XACML formatted request is sent to access decision control point, implements corresponding permission or refusal according to the result returned after many Policy evaluations.
Further, the enforcement of control strategy of conducting interviews described in also comprises access and monitors:
The request of real-time process user, whether the environmental information of check system, the authorization value of user are consistent with authorising conditional, as found change, again send request to access decision control point, require to ask that Decision Control point is reappraised to decision-making.
The invention has the beneficial effects as follows: by the double verification of user identity, enhance the fail safe of access control system, application monitoring mechanism and XACML organically blend the flexibility strengthening mandate, and this cloud computing access control system has fine granularity, dynamic, extensibility; By monitoring module access control authority more neatly, reminding and guiding user to provide the condition of necessity to meet access rights.
Be described in detail cloud computing access control system of the present invention and method above, apply specific case herein and set forth principle of the present invention and execution mode, the explanation of above embodiment just understands core concept of the present invention for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a cloud computing access control system, is characterized in that, comprising:
User Access Module: for realizing the server transmission logging request of user to cloud computing provider, server responds the logging request of this user;
Access control module: for the logging request of described user is converted into XACML formatted request, and control and management access rights;
Resource service administration module: for managing different user access resources, the information log management of monitoring record user use procedure;
Application service management module: for initiating call request by an open Interface realization to resource service administration module.
2. cloud computing access control system according to claim 1, is characterized in that, described User Access Module comprises:
Authentication module: for verifying the identity of log on request user;
User management module: for management and the control of the information to user.
3. cloud computing access control system according to claim 1, is characterized in that, described access control module comprises:
Access control policy implements module: for XACML formatted request is sent to access control decision module;
Access control decision module: for inquiring about the attribute of described user to tactical management point module according to XACML formatted request;
Tactical management point module: for providing strategy support to access control decision module, by the assessment of access control decision module to strategy, return assessment result and implement resume module to access control policy;
Access control information management point module: for providing the attribute query result of user to access control decision module.
4. cloud computing access control system according to claim 3, is characterized in that, described access control policy is implemented module and comprised:
Monitor module: for implementing to process the request of user, whether the environmental information of check system, the authorization value of user are consistent with authorising conditional, as found change, again sending request to access control decision module, requiring that access control decision module is reappraised to decision-making;
Update module: for the change of real-time supervisory user attribute, if when the authority of user does not meet the requirement of authority execution, announcement server suspends subscriber authorisation, and corresponding information is issued user.
5. cloud computing access control system according to claim 1, is characterized in that, described access control decision module comprises:
Authorization rule module: for according to the attribute of user and service regeulations inspection access whether legal;
Condition module: utilize service regeulations and contextual information to determine whether the condition of authorization requests meets;
Evaluation module: together with condition module, Policy evaluation is carried out to the access request of main body in conjunction with authorization rule module.
6. cloud computing access control system according to claim 1, is characterized in that, described application service management module comprises:
Application service Registering modules: for the application service information of the reference address of user's registration resource management service, functional description, access mode;
Application service removing module: for deleting the application service information of user;
Application service invocation module: for initiating call request by application service information to resource service administration module.
7. a cloud computing access control method, is characterized in that, comprises user access control step and user access control step:
User access control step comprises:
Step S1: user states a key proving identity, is stored in described key K EY in the USB Key of user side with in the server of cloud computing provider;
Step S2: user sends logging request to the server of cloud computing provider, and server responds the request of this user, and described server returns to described user random number X, X and a KEY and obtains informative abstract f through MD5 algorithm;
Step S3: informative abstract f is returned to described server, described server carries out MD5 computing by being stored in local random number X with the secret key KEY stored in the server;
Step S4: if when the operation result of described server end is identical with the informative abstract f of described user side, then think that user side is a legal user, otherwise be disabled user;
Access control step comprises: the enforcement of the control strategy that conducts interviews, user's logging request is converted into XACML formatted request, described XACML formatted request is sent to access decision control point, implements corresponding permission or refusal according to the result returned after many Policy evaluations.
8. cloud computing access control method according to claim 7, is characterized in that, described in the conduct interviews enforcement of control strategy also comprise access and monitor:
The request of real-time process user, whether the environmental information of check system, the authorization value of user are consistent with authorising conditional, as found change, again send request to access decision control point, require to ask that Decision Control point is reappraised to decision-making.
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| CN108737393A (en) * | 2018-05-07 | 2018-11-02 | 萍乡学院 | A kind of cloud computing access control system and method |
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| CN106790134A (en) * | 2016-12-28 | 2017-05-31 | 浙江宇视科技有限公司 | The access control method and Security Policy Server of a kind of video monitoring system |
| CN106790134B (en) * | 2016-12-28 | 2021-01-29 | 浙江宇视科技有限公司 | Access control method of video monitoring system and security policy server |
| CN106850686A (en) * | 2017-03-25 | 2017-06-13 | 广州硕点电子科技有限公司 | A kind of cloud computing system |
| CN107241345B (en) * | 2017-06-30 | 2020-07-17 | 西安电子科技大学 | Cloud computing resource management method based on UKey |
| CN107241345A (en) * | 2017-06-30 | 2017-10-10 | 西安电子科技大学 | Cloud computing resources management method based on UKey |
| CN108737393A (en) * | 2018-05-07 | 2018-11-02 | 萍乡学院 | A kind of cloud computing access control system and method |
| CN108924120A (en) * | 2018-06-28 | 2018-11-30 | 电子科技大学 | A kind of dynamic accesses control method of multi-dimensional state perception |
| CN108924120B (en) * | 2018-06-28 | 2020-09-25 | 电子科技大学 | Multi-dimensional state perception dynamic access control method |
| CN109450919A (en) * | 2018-11-29 | 2019-03-08 | 景小洲 | A kind of data safety reinforcing platform |
| CN109495500A (en) * | 2018-12-14 | 2019-03-19 | 北京威努特技术有限公司 | A kind of double factor authentication method based on smart phone |
| CN114422183A (en) * | 2021-12-13 | 2022-04-29 | 北京思特奇信息技术股份有限公司 | Micro-service access control method, system and device based on security attribute |
| CN114422183B (en) * | 2021-12-13 | 2024-07-02 | 北京思特奇信息技术股份有限公司 | Micro-service access control method, system and device based on security attribute |
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