CN103327044A - Method and device for querying credit rating - Google Patents
Method and device for querying credit rating Download PDFInfo
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- CN103327044A CN103327044A CN2012100763136A CN201210076313A CN103327044A CN 103327044 A CN103327044 A CN 103327044A CN 2012100763136 A CN2012100763136 A CN 2012100763136A CN 201210076313 A CN201210076313 A CN 201210076313A CN 103327044 A CN103327044 A CN 103327044A
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Abstract
The invention discloses a method and device for querying a credit rating. The method comprises the steps that a cloud service user sends a first query request to a cloud computing trusted third party server or a cloud service provider, and the first query request is used for querying CSP credit rating information; the CSU receives response messages returned by the CTTP or the CSP, and the response messages carry the CSP credit rating information; the CSU acquires the CSP credit rating information from the response messages. The technical problem that the safety of cloud computing is not high due to the fact that in the prior art, the CSU lacks a simple and efficient method to carry out evaluation and comparison on the capacity of the safety, the privacy and the compliance of the cloud service provider is solved, and the technical effects that the CSU can simply and efficiently acquire the CSP credit rating information and effectively carry out the evaluation on the safety, the privacy and the compliance of the CSP are achieved.
Description
Technical field
The present invention relates to the communications field, in particular to querying method and the device of credit grade.
Background technology
Cloud computing (Cloud Computing) is new consumption and the delivery mode that a kind of information technology is combined with commerce services.The core of cloud computing is that the hardware and software of cloud computing all is resource, and is encapsulated as service, and the user can conduct interviews to it by self demand and uses by network.Five of cloud computing core is characterized as greatly: as required Self-Service (On-demand self-service), widely access to netwoks (Broad network access), resource-sharing (Resource pooling), fast scalability (Rapid elasticity) and measurable service (Measured service).
The COS that provides according to cloud computing, (the National Institute of Standards and Technology of USA National Institute of Standard and Technology, be called for short NIST) cloud computing is divided into: infrastructure is as service (Infrastructure as a Service, abbreviation IaaS), platform is as service (Platform as a Service, be called for short PaaS) and software as service (Software as a Service is called for short SaaS).Other normal structure, enterprise and research institution have proposed other COS, as, communication is as service (Communications as a Service, abbreviation CaaS), safety is as service (Security as a Service, abbreviation SaaS), identity is as serving (Identity as a Service is called for short IDaaS) and network as service (Network as a Service is called for short NaaS).Now, normal operation X represents cloud computing service as service (X as a Service is called for short XaaS), and wherein, X shows the cloud service type.
Divide according to deployment way, cloud computing can be divided into: publicly-owned cloud (Public Cloud), privately owned cloud (Private Cloud), community's cloud (Community Cloud) and mixed cloud (Hybrid Cloud).
In October, 2008, chief information officer (CIO) research department has issued the research report to cloud computing, collected 173 IT supervisors receiving investigation to the view of cloud computing and the cloud computing applicability to its enterprise, safety that the survey showed that is the maximum misgivings that investigated company adopts cloud computing.
When adopting the deployment way of publicly-owned cloud, community's cloud or mixed cloud, cloud computing user (Cloud Service User, abbreviation CSU) information assets (for example, data and application) operate in (the Cloud Service Provider of cloud computing service provider, be called for short CSP), not under the direct control of CSU, CSU will worry whether CSP has enough safety assurance abilities and compliance is followed fail safe, privacy and the compliance that ability guarantees the CSU information assets.In the prior art, the cloud computing user lacks simply, method is assessed and compared in the ability aspect fail safe, privacy and the compliance cloud computing service provider efficiently, and the not high technical problem of the fail safe of the cloud computing that causes.
For above-mentioned problem, effective solution is proposed not yet at present.
Summary of the invention
The invention provides querying method and the device of credit grade, calculate to solve at least in the prior art that the user lacks simply, efficient method assesses and compares in the ability aspect fail safe, privacy and the compliance cloud computing service provider, and the not high technical problem of the fail safe of the cloud computing that causes.
According to an aspect of the present invention, a kind of querying method of credit grade is provided, comprise: the cloud computing user sends the first query requests to cloud service trusted third party server or cloud computing service provider, and wherein, the first query requests is used for inquiry CSP credit grade information; The response message that CSU reception CTTP or CSP return, wherein, response message carries CSP credit grade information; CSU obtains CSP credit grade information from response message.
Preferably, CSP credit grade information comprises: the credit grade of the cloud service that the credit grade of CSP self and/or CSP provide.
Preferably, the first query requests carries CSP sign and/or cloud service sign.
Preferably, when the first query requests carried the CSP sign, response message carried the credit grade of CSP corresponding to CSP sign; Perhaps when the first query requests carried CSP sign and cloud service sign, response message carried the credit grade that identifies corresponding cloud service among CSP corresponding to CSP sign, by cloud service.
Preferably, response message also carries private key signature and/or the credit grade term of validity of CTTP.
Preferably, when response message carried the private key signature of CTTP, CSU obtains the credit grade information of CSP according to response message, comprising: CSU carried out validation verification according to the private key signature of CTTP; After validation verification passed through, CSU obtained CSP credit grade information from response message.
Preferably, when response message also carried the credit grade term of validity, after validation verification passed through, CSU obtained from response message before the CSP credit grade information, also comprises: CSU obtained the credit grade term of validity in the response message; CSU is according to the effective deadline in the credit grade term of validity and current time carrying out ageing checking; When effective deadline after the current time, then show and pass through validation verification; After ageing checking was passed through, CSU obtained CSP credit grade information from response message.
Preferably, when response message carried the credit grade term of validity, CSU obtains the credit grade information of CSP according to response message, comprising: CSU obtained the credit grade term of validity in the response message; CSU is according to the effective deadline in the credit grade term of validity and current time carrying out ageing checking; When effective deadline after the current time, then show by ageing checking; After ageing checking was passed through, CSU obtained CSP credit grade information from response message.
Preferably, CSU obtains after the credit grade information of CSP according to response message, also comprises: when credit grade during more than or equal to predetermined grade threshold, CSU obtains cloud service from CSP.
Preferably, the first query requests also carries time marking, and wherein, it is for the CSP credit grade information of inquiry during time corresponding to this time marking that time marking is used to indicate this first query requests.
According to another aspect of the present invention, provide the querying method of another kind of credit grade information, having comprised: CTTP receives the first query requests that CSU sends, and wherein, the first query requests is used for inquiry CSP credit grade information; CTTP responds the first query requests and returns response message to CSU, and wherein, response message carries CSP credit grade information.
Preferably, the method also comprises: CTTP receives the second query requests that CSP sends, and wherein, the second query requests is used for inquiring about described CSP credit grade information; CTTP responds the second query requests and returns CSP credit grade information to CSP.
Preferably, CSP credit grade information comprises: the credit grade of the cloud service that the grade of service of CSP self and/or CSP provide.
Preferably, the first query requests carries CSP sign and/or cloud service sign.
Preferably, when the first query requests carried the CSP sign, response message carried the credit grade of CSP corresponding to CSP sign; Perhaps when the first query requests carried CSP sign and cloud service sign, response message carried the credit grade that identifies corresponding cloud service among CSP corresponding to CSP sign, by cloud service.
Preferably, response message also carries the credit grade term of validity that CTTP is described CSP credit grade information setting.
Preferably, CTTP is cloud intermediary or the cloud auditing bodies that CSU trusts.
Preferably, the first query requests also carries time marking, and wherein, it is for the CSP credit grade information of inquiry during time corresponding to this time marking that time marking is used to indicate this first query requests.
According to a further aspect of the invention, provide another credit grade information query method, having comprised: CSP receives the first query requests that CSU sends, and wherein, the first inquiry is used for inquiry CSP credit grade information; CSP responds the first query requests and returns the first response message to CSU, and wherein, the first response message carries CSP credit grade information.
Preferably, CSP responds the first query requests and returns the first response message to CSU, comprising: CSP sends the second query requests to CTTP, and wherein, the second query requests is used for the CSP credit grade information of this CSP of inquiry; CSP receives the second response message that CTTP returns, and wherein, the second response message carries the CSP credit grade information of this CSP of CTTP configuration; CSP sends to CSU with CSP credit grade information.
Preferably, CSP credit grade information comprises: the credit grade of the cloud service that the credit grade of CSP self and/or CSP provide.
According to another aspect of the invention, provide a kind of inquiry unit of credit grade, be arranged in CSU, having comprised: transmitting element, be used for sending the first query requests to CTTP or CSP, wherein, the first query requests is used for inquiry CSP credit grade information; The first receiving element is used for the response message that reception CTTP or CSP return, and wherein, response message carries CSP credit grade information; Acquiring unit is used for obtaining CSP credit grade information from response message.
According to another aspect of the invention, provide the inquiry unit of another kind of credit grade, be arranged in CTTP, having comprised: the second receiving element, be used for receiving the first query requests that CSU sends, wherein, the first query requests is used for inquiry CSP credit grade information; First returns the unit, is used for response the first query requests and returns response message to CSU, and wherein, response message carries CSP credit grade information.
According to another aspect of the invention, provide the inquiry unit of another credit grade, be arranged in CSP, having comprised: the 3rd receiving element, be used for receiving the first query requests that cloud computing user CSU sends, wherein, the first inquiry is used for inquiry CSP credit grade information; Second returns the unit, is used for response the first query requests and returns the first response message to CSU, and wherein, the first response message carries CSP credit grade information.
In embodiments of the present invention, CSU can obtain CSP credit grade information from CSP or CTTP by sending query requests, CSU can judge according to the CSP credit grade information of obtaining the fail safe of selected CSP, with this CSP credit grade information as the reference information of whether selecting corresponding CSP as cloud service provider.By the way, solved in the prior art because the cloud computing user lacks simply, efficient method is assessed and compared in the ability aspect fail safe, privacy and the compliance cloud computing service provider, thereby the technical problem that the fail safe of the cloud computing that causes is not high, reached the credit grade information that CSU can obtain CSP simply efficiently, the technique effect of effectively CSP being assessed in fail safe, privacy and standardization, improved the fail safe of CSU when using cloud service, and realize simply, be easy to dispose and be applied to existing system.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is a kind of preferred flow charts according to the querying method of the credit grade of the CSU side of the embodiment of the invention;
Fig. 2 is a kind of preferred flow charts according to the querying method of the credit grade of the CTTP side of the embodiment of the invention;
Fig. 3 is a kind of preferred flow charts according to the querying method of the credit grade of the CSP side of the embodiment of the invention;
Fig. 4 is the another kind of preferred flow charts according to the querying method of the credit grade of the CSP side of the embodiment of the invention;
Fig. 5 is a kind of preferred structure block diagram according to the inquiry unit of the credit grade of the CSU side of the embodiment of the invention;
Fig. 6 is a kind of preferred structure block diagram according to the inquiry unit of the credit grade of the CTTP side of the embodiment of the invention;
Fig. 7 is a kind of preferred structure block diagram according to the inquiry unit of the credit grade of the CSP side of the embodiment of the invention;
Fig. 8 is the cloud computing topological structure schematic diagram according to the embodiment of the invention;
Fig. 9 is credit grade flow chart from the CSU of the embodiment of the invention to CTTP that inquire about CSP according to;
Figure 10 is credit grade flow chart from the CSU of the embodiment of the invention to CTTP that inquire about the XaaS service of CSP according to;
Figure 11 is the credit grade flow chart that obtains oneself according to the CSP of the embodiment of the invention to CTTP;
Figure 12 is the credit grade flow chart that obtains the XaaS service of oneself according to the CSP of the embodiment of the invention to CTTP;
Figure 13 is credit grade flow chart from the CSU of the embodiment of the invention to CSP that inquire about CSP according to;
Figure 14 is XaaS credit grade flow chart from the CSU of the embodiment of the invention to CSP that inquire about CSP according to;
Figure 15 is to the credit grade flow chart of CTTP inquiry CSP at moment T according to the CSU of the embodiment of the invention;
Figure 16 is to the XaaS cloud service of the CTTP inquiry CSP credit grade flow chart at moment T according to the CSU of the embodiment of the invention.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.
In prior art, the application of cloud service is more and more extensive, yet CSU is difficult to by simple, efficient method technical problem that fail safe, privacy and the standardization of cloud computing CSP when cloud service is provided assessed.
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of querying method of credit grade information, in the method, this credit grade information can directly be obtained to the CSP that cloud service is provided by CSU also can be to cloud computing trusted third party server (Cloud Trusted Third Party, be called for short CTTP) obtain, by the way, CSU is after obtaining corresponding CSP credit grade information, can be with above-mentioned credit grade information as whether selecting this CSP as the Reference News of cloud service provider, thereby for CSU provides a kind of CSP that assesses simply efficiently in fail safe, the fail safe of CSP when the cloud service of using CSP to provide has been provided the method for privacy and standardization.
Set forth for the querying method of the clearer credit grade information that in more detail embodiment of the invention is provided, now provide several specific embodiments to be described.
Embodiment 1
The embodiment of the invention provides a kind of querying method of credit grade, be described from the CSU side, its process chart as shown in Figure 1, the method comprising the steps of S102 is to step S106:
S102:CSU sends the first query requests to CTTP or CSP, and wherein, the first inquiry is used for inquiry CSP credit grade information;
The response message that S104:CSU reception CTTP or CSP return, wherein, response message carries CSP credit grade information;
S106:CSU obtains CSP credit grade information from response message.
In embodiments of the present invention, CSU can obtain CSP credit grade information from CSP or CTTP by sending query requests, CSU can judge according to the CSP credit grade information of obtaining the fail safe of selected CSP, with this CSP credit grade information as the reference information of whether selecting corresponding CSP as cloud service provider.By the way, solved in the prior art because the cloud computing user lacks simply, efficient method is assessed and compared in the ability aspect fail safe, privacy and the compliance cloud computing service provider, thereby the technical problem that the fail safe of the cloud computing that causes is not high, reached the credit grade information that CSU can obtain CSP simply efficiently, the technique effect of effectively CSP being assessed in fail safe, privacy and standardization, improved the fail safe of CSU when using cloud service, and realize simply, be easy to dispose and be applied to existing system.
Clearer for the embodiment of the invention being set forth ground, the embodiment of the invention also provides the querying method of another credit grade, be described from the CTTP side, its handling process as shown in Figure 2, the method comprising the steps of S202 is to step S204:
S202:CTTP receives the first query requests that CSU sends, and wherein, the first query requests is used for inquiry CSP credit grade information;
S204:CTTP responds the first query requests and returns response message to CSU, and wherein, response message carries CSP credit grade information.
In the present embodiment, CTTP returns corresponding CSP credit grade information in the query requests that receives the CSU transmission to this CSU, thereby CSU can judge according to the CSP credit grade information of obtaining the fail safe of selected CSP, with this CSP credit grade information as the reference information of whether selecting corresponding CSP as cloud service provider.By the way, solved in the prior art because the cloud computing user lacks simply, efficient method is assessed and compared in the ability aspect fail safe, privacy and the compliance cloud computing service provider, thereby the technical problem that the fail safe of the cloud computing that causes is not high, reached the credit grade information that CSU can obtain CSP simply efficiently, the technique effect of effectively CSP being assessed in fail safe, privacy and standardization, improved the fail safe of CSU when using cloud service, and realize simply, be easy to dispose and be applied to existing system.
Based on same inventive concept, the embodiment of the invention also provides the querying method of another kind of credit grade, be described from the CSP side, its handling process as shown in Figure 3, the method comprising the steps of S302 is to step S304:
S302:CSP receives the first query requests that CSU sends, and wherein, the first inquiry is used for the CSP credit grade information of this CSP of inquiry;
S304:CSP responds the first query requests and returns the first response message to CSU, and wherein, the first response message carries the CSP credit grade information of CSP.
In the present embodiment, CSP is after the query requests that receives the CSU transmission, return the CSP credit grade information of self to this CSU, thereby CSU can judge according to the CSP credit grade information of obtaining the fail safe of this CSP, with this CSP credit grade information as the reference information of whether selecting corresponding CSP as cloud service provider.By the way, solved in the prior art because the cloud computing user lacks simply, efficient method is assessed and compared in the ability aspect fail safe, privacy and the compliance cloud computing service provider, thereby the technical problem that the fail safe of the cloud computing that causes is not high, reached the credit grade information that CSU can obtain CSP simply efficiently, the technique effect of effectively CSP being assessed in fail safe, privacy and standardization, improved the fail safe of CSU when using cloud service, and realize simply, be easy to dispose and be applied to existing system.
In step S302, CSP returns to CSU, and the credit grade information of self can be obtained from CTTP, in a preferred implementation, CSP can be in the following way, respond the first query requests and return the first response message to CSU, its process chart comprises that step S402 is to step S406 as shown in Figure 4:
S402:CSP sends the second query requests to CTTP, and wherein, the second query requests is used for the CSP credit grade information of this CSP of inquiry;
The CSP credit grade information of this CSP of the CTTP configuration that S404:CSP reception CTTP returns;
S406:CSP sends to CSU with CSP credit grade information.
In above-mentioned each preferred implementation, CSP credit grade information includes but not limited to: the credit grade of the cloud service that the credit grade of CSP self and/or CSP provide.Namely, the CSP credit grade information that CSU obtains can be the grade of service for this CSP of certain CSP self, it also can be the grade of service of the cloud service that provides of CSP, thereby CSU can judge whether a certain cloud service using this CSP or judge whether to use CSP to provide to have improved the flexibility of CSU to the safety of cloud service judgement according to CSP credit grade information.For above-mentioned credit grade, it is an element that comprises in the totally ordered set of finite element, for example, this totally ordered set is: 1,2,3,4,5}, namely, credit grade can be for 1,2,3,4,5 five kind of situation, can predesignate credit grade numerical value less, actual credit rating is higher, can stipulate that also credit grade numerical value is larger, actual credit rating is higher, and the embodiment of the invention is not done restriction to this.
In a preferred implementation, in the first query requests, carry CSP sign and/or cloud service sign.When only carrying the CSP sign in the first query requests, what carry in the response message will be the credit grade of CSP corresponding to CSP sign.Perhaps, also may there be other signs except the CSP sign in the first query requests, in the present embodiment, also comprise the cloud service sign in the first query requests.At this moment, when carrying CSP sign and cloud service sign in the first query requests, what response message carried will be the credit grade of cloud service corresponding to CSP medium cloud service identifiers corresponding to CSP sign.By the way, the inquiry of CSP credit grade and the inquiry of CSP medium cloud service credit grade have been realized.
In order to guarantee that CSU can carry out validation verification to the credit grade information that obtains, in response message, can carry the private key signature of CTTP, follow-up CSU carries out validation verification according to the private key signature of CTTP.Only have after validation verification passes through, CSU just obtains CSP credit grade information from response message.
In a preferred implementation, can also carry the credit grade term of validity in the response message, after validation verification passed through, CSU obtained from response message before the CSP credit grade information, and CSU obtains the credit grade term of validity in the response message; CSU is according to the effective deadline in the credit grade term of validity and current time carrying out ageing checking; Only when effective deadline after the current time, then show by ageing checking; After ageing checking was passed through, CSU obtained CSP credit grade information from response message.Wherein, the above-mentioned credit grade term of validity comprises effective time started and effective deadline of credit grade.For example, can represent with 2011-12-10 the term of validity of credit grade information to 2012-12-09, that is, this credit grade information is effective on December 31st, 2011 in the 2012-12-09 one-year age.
CSU obtains after the credit grade information of CSP according to response message, CSU judges whether to adopt this CSP as cloud service provider according to the credit grade information of obtaining, in a preferred implementation, if message level is to arrange according to ascending order, namely, the credit of larger this CSP of representative of numerical value is higher, then in a preferred implementation, CSU obtains after the credit grade information of CSP according to response message, the method also comprises: when credit grade during more than or equal to predetermined grade threshold, CSU obtains cloud service from CSP.
In above-mentioned each preferred implementation, CTTP can be cloud intermediary or the cloud auditing bodies that CSU trusts.Credit grade is generated by CTTP, preferably, the information security events that the authentication of the credit grade information security evaluation and test mechanism that can be passed through by the comprehensive CSP of CTTP and compliance evaluation and test, independent third party's security audit mechanism meet with the auditing result of CSP, the CSP that openly can know or many-sided information calculations such as feedback result of CSP client draw.
In above-mentioned each preferred implementation, the first query requests can also carry time marking, and wherein, it is for the CSP credit grade information of inquiry during time corresponding to this time marking that time marking is used to indicate this first query requests.For example, this time marking represents with T, and T represents a concrete time point, if carried T in the query requests, then being equivalent to this query requests is in order to inquire about CSP in the CSP of this time of T credit grade information.For example, when T is 2011-12-16, represent that then CSU wishes to inquire about CSP in the CSP credit grade information on December 16th, 2011, the credit grade that this CSP credit grade information can be CSP also can be the credit grade of the cloud service that provides of CSP.
Embodiment 2
Corresponding with each method among the embodiment 1, the embodiment of the invention also provides the inquiry unit of multiple credit grade, lays respectively among CSU, CTTP and the CSP, and is now described respectively.
At first, the inquiry unit of the credit grade that is arranged in CSU is described.Referring to Fig. 5, the inquiry unit of this credit grade can comprise: transmitting element 502, be used for sending the first query requests to CTTP or CSP, and wherein, the first inquiry is used for inquiry CSP credit grade information; The first receiving element 504 is used for the response message that reception CTTP or CSP return, and wherein, response message carries CSP credit grade information; Acquiring unit 506 is used for obtaining CSP credit grade information from response message.
Secondly, the inquiry unit of the credit grade that is arranged in CTTP is described.Referring to Fig. 6, the inquiry unit of this credit grade can comprise: the second receiving element 602, be used for receiving the first query requests that CSU sends, and wherein, the first query requests is used for inquiry CSP credit grade information; First returns unit 604, is used for response the first query requests and returns response message to CSU, and wherein, the first response message carries CSP credit grade information.
Again, the inquiry unit of the credit grade that is arranged in CSP is described.Referring to Fig. 7, the inquiry unit of this credit grade can comprise: the 3rd receiving element 702, be used for receiving the first query requests that cloud computing user CSU sends, and wherein, the first inquiry is used for the CSP credit grade information of inquiry CSP; Second returns unit 704, is used for response the first query requests and returns the first response message to CSU, and wherein, the first response message carries the CSP credit grade information of CSP.
Unit in the inquiry unit of above-mentioned credit grade carries out the concrete steps credit grade querying method described above of credit grade inquiry, does not repeat them here.
Inquiry unit based on above-mentioned three credit grades, the embodiment of the invention also provides a kind of inquiry system of credit grade, comprise the above-mentioned inquiry unit that lays respectively at the credit grade among CSU, CTTP and the CSP, three inquiry units are state arranged side by side, in actual applications, operate according to the different inquiry unit of the different choice of main body.
Embodiment 3
The present embodiment provides a kind of and preferred embodiment further the present invention has been made an explanation, but it should be noted that the preferred embodiment just limits the present invention improperly in order better to describe the present invention, not consist of.
Fig. 8 has shown the topological structure schematic diagram of cloud computing, comprise CSU802, three kinds of cloud computing roles of CSP804 and CTTP806, wherein, CTTP 103 can be cloud intermediary (Cloud Broker), cloud auditing bodies (Cloud Auditor) or other CSP that CSU trusts.In the cloud computing framework model of NIST, the cloud auditing bodies is a kind of cloud computing role arranged side by side with CSU and CSP.Telecommunication standards tissue (ITU Telecommunication Standardization Sector in International Telecommunications Union, abbreviation ITU-T) (the Focus Group on Cloud Computing of cloud computing focal group, abbreviation FGCC) in the cloud computing framework, the cloud auditing bodies is a kind of cloud service (Cloud Service Partner of partner, be called for short CSN), and CSU, CSP and CSN are three class roles in the FGCC framework.
In each preferred implementation of the present invention, the credit grade of the various XaaS that CSP and CSP provide is generated by CTTP, preferably, the information security events that the authentication of the credit grade information security evaluation and test mechanism that can be passed through by the comprehensive CSP of CTTP and standardization evaluation and test, independent third party's security audit mechanism meet with the auditing result of CSP, the CSP that openly can know and many-sided information calculations such as feedback result of CSP client draw.
Concrete, the algorithm that calculates credit grade determines by CTTP, and CTTP can be regularly according to the safe condition renewal CSP of CSP cloud service operation and the credit grade of cloud service thereof.For example, after CSP passed through the authentication of some important Information Security Standards, CTTP can heighten the credit grade of this CSP and cloud service thereof.The Audit Report that occurs larger security incident or independent third party's security audit mechanism as certain CSP shows that the security system of CSP and cloud service thereof does not reach present credit grade, when perhaps the safety of a large amount of this CSP of CSP user feedback and cloud service thereof did not arrive the user and expects, CTTP can turn down the credit grade of this CSP and cloud service thereof.In case turned down the credit grade of CSP and cloud service thereof, may cause serious safe consequence to CSP.Preferably, if when the credit grade of a certain CSP is reduced to the safety standard that can not satisfy some cloud computing users, will cause the cooperation of existing cloud computing user termination and this CSP.
The span of credit grade can be a totally ordered set that comprises finite element.For example, this totally ordered set can be 1,2,3,4,5}, then credit grade can be for 1,2,3,4,5 five kind of situation.It is less that CTTP can predesignate credit grade numerical value, and actual credit rating is higher, can stipulate that also credit grade numerical value is larger, and actual credit rating is higher.
Topological structure schematic diagram based on cloud computing shown in Figure 8, the below will provide several specific embodiments (specifically referring to embodiment 4 and embodiment 5) and be described in detail, among the several embodiment that enumerate hereinafter, CTTP uses 1,2,3,4,5 five numeral credit grade, numerical value is larger, and the expression credit rating is higher.
Embodiment 4
The present embodiment determines a certain CSP of choice for use whether take CSU a certain XaaS cloud service describes as example, CSU need to inquire about first CTTP or CSP obtain CSP with and the credit grade of XaaS service, to determine the whether XaaS service of this CSP of choice for use.
Fig. 9 shows CSU to the credit grade flow process of CTTP inquiry CSP, and concrete steps comprise that step S902 is to step S904:
Step S902, CSU sends CSP credit grade query requests to CTTP, wherein, carries CSPID in this query requests, and CSPID is the identifier that CSU wishes the CSP that inquires about.
Step S904, CTTP returns the response message of CSP credit grade query requests to CSU, wherein, carry in this response message: Credit, PoV and MIC, wherein Credit is an element of the selected totally ordered set that comprises finite element of CTTP 103, be used to refer to the credit grade of CSP corresponding to CSPID, PoV (Period of Validity) is used to refer to the term of validity of the credit grade of returning, and MIC (Message Integrity Code) is used for verifying the integrality of the term of validity of credit grade and credit grade.For example, the credit grade of returning is 4, and the expression credit rating is higher, and PoV is that 2011-12-10 represents that to 2012-12-09 credit grade arrives in the one-year age of 2012-12-09 effective on December 31st, 2011.
Figure 10 shows CSU to the credit grade flow process of a certain XaaS cloud computing service of CTTP inquiry CSP, and concrete steps comprise that step S1002 is to step S1004 as shown in figure 10:
Step S1002, CSU sends cloud service credit grade query requests to CTTP, wherein, carries CSPID and XaaSID in this query requests, and CSPID is the identifier that CSU wishes the CSP that inquires about, and XaaSID is the identifier that CSP wishes the cloud computing service inquired about.
Step S1004, CTTP returns the response message of cloud service credit grade query requests to CSU, comprise Credit, PoV and MIC in this response message, wherein, Credit is an element of the selected totally ordered set that comprises finite element of CTTP, be used to refer to the credit grade of cloud service corresponding to the XaaSID of CSPID, PoV is used to refer to the term of validity of the credit grade of returning, and MIC is used for verifying the integrality of credit grade and the credit grade term of validity.For example, the credit grade of returning is 3, and the expression credit rating is general, and PoV is that 2011-12-10 represents that to 2012-12-09 credit grade arrives in the 2012-12-09 one-year age effective on December 31st, 2011.
CSU is after the credit grade of the XaaS service that has obtained CSP and CSP, and CSU can tentatively judge whether to use the XaaS service of CSP.For example, for not being very high medium-sized and small enterprises to security requirement, think credit grade 3 and 4 enough, then these enterprises can think that XaaS service corresponding to this CSP is to satisfy the security requirement of enterprise.For the higher large and medium-sized enterprise of safety requirements, may think that 3 credit grade corresponding to XaaS service do not meet the demand for security of enterprise.
In the XaaS of CSU choice for use CSP service, CSU can require CSP that credit grade is required to write in the service level agreement (Service Level Agreement is called for short SLA).For example, it is 4 that CSU requires the credit grade of CSP, the credit grade of the XaaS of CSP is 3, CSU can indicate in case above-mentioned credit grade changes, or after credit grade is lower than above-mentioned numerical value, CSU will stop the service contract with this CSP, requires simultaneously CSP to compensate the loss that CSU suffers therefrom, thereby has guaranteed the fail safe of CSU information.
Embodiment 5
CSU except to CTTP inquiry CSP with and the credit grade of cloud service, still can directly inquire about to CSP.Because the credit grade of the various XaaS services of the credit grade of CSP and CSP is all generated by CTTP, CSP needs to obtain the credit grade of oneself and the credit grade of various XaaS service from CTTP in advance.
Figure 11 shows CSP to the credit grade flow process of CTTP inquiry self, and concrete steps comprise that step S1102 is to step S1104 as shown in figure 11:
Step S1102, CSP sends CSP credit grade query requests to CTTP, wherein, carries CSPID in this query requests, and CSPID is the identifier of CSP.
Step S1104, CTTP return the response message of CSP credit grade query requests to CSP, comprise Credit, PoV and MIC in this response message.In order to guarantee the integrality of credit grade and the credit grade term of validity, MIC is that the private key of CTTP is to the signature of the message that comprises CSPID, credit grade, the credit grade term of validity and other supplementary.A special case is: the X509 certificate that CTTP expansion is present increases the credit grade territory, thereby issues an X509 certificate that comprises credit grade for CSP in this certificate.
Figure 12 shows CSP to the credit grade flow process of a certain XaaS cloud computing service of CTTP inquiry oneself, and concrete steps comprise that step S1202 is to step S1204 as shown in figure 12:
Step S1202, CSP sends cloud service credit grade query requests to CTTP, wherein, carries CSPID and XaaSID in this query requests.
Step S1204, CTTP returns the response message of cloud service credit grade query requests to CSP, comprise Credit, PoV and MIC in this response message, wherein, Credit is an element of the selected totally ordered set that comprises finite element of CTTP, is used to refer to the credit grade of cloud service corresponding to the XaaSID of CSPID.In order to guarantee the integrality of credit grade and the credit grade term of validity, MIC is that the private key of CTTP 103 is to the signature of the message that comprises CSPID, XaaSID, credit grade, the credit grade term of validity and other supplementary.A special case is: the X509 certificate that CTTP expansion is present increases the credit grade territory, thereby issues an X509 certificate that comprises credit grade for the XaaS service of CSP.
Obtained the credit grade and the credit grade of various XaaS service of oneself at CSP after, can provide the credit grade inquiry response to CSU.
Figure 13 shows CSU to the CSP grade flow process of making a credit inquiry, and concrete steps comprise that step S1302 is to step S1304 as shown in figure 13:
Step S1302, CSU sends CSP credit grade query requests to CSP, wherein, carries CSPID in this query requests, and CSPID is the identifier of CSP.
Step S1304, CSP return the response message of CSP credit grade query requests to CSU, comprise Credit, PoV and MIC in this response message.
CSU need to utilize the validity of public key verifications MIC and the response message of CTTP.Only after validation verification passed through, CSU just further verified whether still be in the credit grade term of validity.Only after above-mentioned inspection is all passed through, CSU is the credit grade in the acceptance response message.For the X509 certificate that comprises credit grade, above-mentioned flow process namely is the process of authentication certificate validity, whether also can carry out simultaneously online certificate status protocol (Online Certificate Status Protocol is called for short OCSP) inquiry certificate nullifies.
Figure 14 shows CSU inquires about credit grade flow process from a certain XaaS cloud computing service to CSP, and concrete steps comprise that step S1402 is to step S1404 as shown in figure 14:
Step S1402, CSU sends cloud service credit grade query requests to CSP, wherein, carries CSPID and XaaSID in this query requests.
Step S1404, CSP return the response message of cloud service credit grade query requests to CSU, comprise Credit, PoV and MIC in this response message, and wherein Credit is used to refer to the credit grade of cloud service corresponding to the XaaSID of CSPID.
CSU need to utilize the validity of public key verifications MIC and the response message of CTTP.Only after validation verification passed through, CSU just further verified whether still be in the credit grade term of validity.Only after above-mentioned inspection is all passed through, CSU is the credit grade in the acceptance response message.For the X509 certificate that comprises credit grade, above-mentioned flow process namely is the process of authentication certificate validity, whether also can carry out simultaneously online certificate status protocol (Online Certificate Status Protocol is called for short OCSP) inquiry certificate nullifies.
Embodiment 6
Figure 15 shows CSU to the flow process of CTTP inquiry CSP credit grade when the time T, and as shown in figure 15, concrete steps comprise:
Step S1502:CSU sends CSP credit grade query requests to CTTP, wherein, carries CSPID and T in this query requests.CSPID is the sign of the CSP of CSU inquiry, and T shows that this query requests is used for the indicated CSP credit grade information of CSP when moment T of inquiry CSPID.For example, when T is 2011-12-16, represent that then CSU wishes to inquire about the CSP credit grade information of CSP on December 16th, 2011.
Step S1504:CTTP returns the response message of query requests to CSU, wherein, carry Credit, PoV and MIC in this response message.Credit be the indicated CSP of CSPID in the CSP of moment T credit grade information, PoV comprises the constantly time period of T.
Figure 16 shows the flow process of the credit grade of XaaS cloud service when time T that CSU provides to CTTP inquiry CSP.
Step S1602, CSU sends cloud service credit grade query requests to CTTP, wherein, carries CSPID, XaaSID and T in this request.Wherein, CSPID is the sign that CSU wishes the CSP that inquires about, and XaaSID is the sign that CSU wishes the cloud service inquired about, the credit grade of the XaaS cloud service of the indicated CSP of CSPID when T shows query time T.For example, when T is 2011-12-16, represent that then CSU wishes the credit grade of the XaaS cloud service of the CSP that inquires about on December 16th, 2011.
Step S1604:CTTP returns the response message of query requests to CSU, wherein, carry the credit grade of the XaaS cloud service of CSP on December 16th, 2011 in this response message.
As can be seen from the above description, the present invention has realized following technique effect:
In embodiments of the present invention, CSU can obtain CSP credit grade information from CSP or CTTP by sending query requests, CSU can judge according to the CSP credit grade information of obtaining the fail safe of selected CSP, with this CSP credit grade information as the reference information of whether selecting corresponding CSP as cloud service provider.By the way, solved in the prior art because the cloud computing user lacks simply, efficient method is assessed and compared in the ability aspect fail safe, privacy and the compliance cloud computing service provider, thereby the technical problem that the fail safe of the cloud computing that causes is not high, reached the credit grade information that CSU can obtain CSP simply efficiently, the technique effect of effectively CSP being assessed in fail safe, privacy and standardization, improved the fail safe of CSU when using cloud service, and realize simply, be easy to dispose and be applied to existing system.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (24)
1. the querying method of a credit grade is characterized in that, comprising:
Cloud computing user CSU sends the first query requests to the server CTTP of cloud computing trusted third party or the CSP of cloud computing service provider, and wherein, described the first query requests is used for inquiry CSP credit grade information;
Described CSU receives the response message that described CTTP or described CSP return, and wherein, described response message carries described CSP credit grade information;
Described CSU obtains described CSP credit grade information from described response message.
2. method according to claim 1 is characterized in that, described CSP credit grade information comprises: the credit grade of the cloud service that the credit grade of CSP self and/or CSP provide.
3. method according to claim 1 is characterized in that, described the first query requests carries CSP sign and/or cloud service sign.
4. method according to claim 3 is characterized in that, when described the first query requests carried described CSP sign, described response message carried the credit grade of CSP corresponding to described CSP sign; Perhaps
When described the first query requests carried described CSP sign and described cloud service sign, described response message carried the credit grade that identifies corresponding cloud service among CSP corresponding to CSP sign, by described cloud service.
5. according to claim 1 to 4 each described methods, it is characterized in that, described response message also carries private key signature and/or the credit grade term of validity of CTTP.
6. method according to claim 5 is characterized in that, when described response message carried the described private key signature of described CTTP, described CSU obtained the credit grade information of described CSP according to described response message, comprising:
Described CSU carries out validation verification according to the private key signature of described CTTP;
After validation verification passed through, described CSU obtained described CSP credit grade information from described response message.
7. method according to claim 6 is characterized in that, when described response message also carried the credit grade term of validity, after validation verification passed through, described CSU obtained from described response message before the described CSP credit grade information, also comprises:
Described CSU obtains the credit grade term of validity in the described response message;
Described CSU is according to the effective deadline in the described credit grade term of validity and current time carrying out ageing checking;
When described effective deadline after the described current time, then show and pass through validation verification;
After ageing checking was passed through, described CSU obtained described CSP credit grade information from described response message.
8. method according to claim 5 is characterized in that, when described response message carried the credit grade term of validity, described CSU obtained the credit grade information of described CSP according to described response message, comprising:
Described CSU obtains the credit grade term of validity in the described response message;
Described CSU is according to the effective deadline in the described credit grade term of validity and current time carrying out ageing checking;
When described effective deadline after the described current time, then show by ageing checking;
After ageing checking was passed through, described CSU obtained described CSP credit grade information from described response message.
9. according to claim 1 to 4 each described methods, it is characterized in that, described CSU obtains after the credit grade information of described CSP according to described response message, also comprises:
When described credit grade during more than or equal to predetermined grade threshold, described CSU obtains cloud service from described CSP.
10. according to claim 1 to 4 each described methods, it is characterized in that, described the first query requests also carries time marking, and wherein, it is for the CSP credit grade information of inquiry during time corresponding to this time marking that described time marking is used to indicate this first query requests.
11. a credit grade information query method is characterized in that, comprising:
The CTTP of cloud computing trusted third party receives the first query requests that cloud computing user CSU sends, and wherein, described the first query requests is used for the inquiry cloud computing service CSP of provider credit grade information;
Described CTTP responds described the first query requests and returns response message to described CSU, and wherein, described response message carries CSP credit grade information.
12. method according to claim 11 is characterized in that, also comprises:
Described CTTP receives the second query requests that CSP sends, and wherein, described the second query requests is used for inquiring about described CSP credit grade information;
Described CTTP responds described the second query requests and returns described CSP credit grade information to described CSP.
13. according to claim 11 or 12 described methods, it is characterized in that, described CSP credit grade information comprises: the credit grade of the cloud service that the grade of service of CSP self and/or CSP provide.
14. method according to claim 11 is characterized in that, described the first query requests carries CSP sign and/or cloud service sign.
15. method according to claim 14 is characterized in that, when described the first query requests carried described CSP sign, described response message carried the credit grade of CSP corresponding to described CSP sign; Perhaps
When described the first query requests carried described CSP sign and described cloud service sign, described response message carried the credit grade that identifies corresponding cloud service among CSP corresponding to CSP sign, by described cloud service.
16. according to claim 11, each described method in 12,14 to 15, it is characterized in that, it is the credit grade term of validity that described CSP credit grade information arranges that described response message also carries described CTTP.
17. according to claim 11, each described method in 12,14 to 15, it is characterized in that, described CTTP is cloud intermediary or the cloud auditing bodies that described CSU trusts.
18. according to claim 11, each described method in 12,14 to 15, it is characterized in that, described the first query requests also carries time marking, wherein, to be used to indicate this first query requests be for the CSP credit grade information of inquiry during time corresponding to this time marking to described time marking.
19. the querying method of a credit grade is characterized in that, comprising:
The CSP of cloud computing service provider receives the first query requests that cloud computing user CSU sends, and wherein, described the first inquiry is used for inquiry CSP credit grade information;
Described CSP responds described the first query requests and returns the first response message to described CSU, and wherein, described the first response message carries described CSP credit grade information.
20. method according to claim 19 is characterized in that, described CSP responds described the first query requests and returns the first response message to described CSU, comprising:
Described CSP sends the second query requests to the server CTTP of cloud computing trusted third party, and wherein, described the second query requests is used for inquiring about described CSP credit grade information;
Described CSP receives the second response message that described CTTP returns, and wherein, described the second response message carries the described CSP credit grade information of described CTTP configuration;
Described CSP sends to described CSU with described CSP credit grade information.
21. according to claim 19 or 20 described methods, it is characterized in that, described CSP credit grade information comprises: the credit grade of the cloud service that the credit grade of CSP self and/or CSP provide.
22. the inquiry unit of a credit grade is characterized in that, is arranged in cloud computing user CSU, comprising:
Transmitting element is used for sending the first query requests to the server CTTP of cloud computing trusted third party or the CSP of cloud computing service provider, and wherein, described the first query requests is used for inquiry CSP credit grade information;
The first receiving element is used for receiving the response message that described CTTP or described CSP return, and wherein, described response message carries described CSP credit grade information;
Acquiring unit is used for obtaining described CSP credit grade information from described response message.
23. a credit grade information query device is characterized in that, is arranged in the server CTTP of cloud computing trusted third party, comprising:
The second receiving element is used for receiving the first query requests that cloud computing user CSU sends, and wherein, described the first query requests is used for the inquiry cloud computing service CSP of provider credit grade information;
First returns the unit, is used for responding described the first query requests and returns response message to described CSU, and wherein, described response message carries CSP credit grade information.
24. the inquiry unit of a credit grade is characterized in that, is arranged in the CSP of cloud computing service provider, comprising:
The 3rd receiving element is used for receiving the first query requests that cloud computing user CSU sends, and wherein, described the first inquiry is used for inquiry CSP credit grade information;
Second returns the unit, is used for responding described the first query requests and returns the first response message to described CSU, and wherein, described the first response message carries CSP credit grade information.
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| CN2012100763136A CN103327044A (en) | 2012-03-21 | 2012-03-21 | Method and device for querying credit rating |
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