WO2017012097A1 - Key system, key client, and key management method - Google Patents

Key system, key client, and key management method Download PDF

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Publication number
WO2017012097A1
WO2017012097A1 PCT/CN2015/084818 CN2015084818W WO2017012097A1 WO 2017012097 A1 WO2017012097 A1 WO 2017012097A1 CN 2015084818 W CN2015084818 W CN 2015084818W WO 2017012097 A1 WO2017012097 A1 WO 2017012097A1
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key
client
server
operation
bitmap
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PCT/CN2015/084818
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French (fr)
Chinese (zh)
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蒋世建
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华为技术有限公司
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity

Abstract

Disclosed are a key system, a key client, and a key management method. The key system comprises a key client and a key server. The key client is capable of initiating operating capability detection to the key server, receiving and recording an operating capability returned by the key server, forming an operating capability bitmap of the key server, obtaining an operating capability bitmap of the key client and the key server according to an operating capability bitmap of the key client and the operating capability bitmap of the key server, and selecting a rule for key interaction between the key client and the key server according to a pre-set rule set. Thus, a key server and a key client can be correspondingly connected without need of developing, by means of a key management service device, different key clients for different key servers. Moreover, a technical service worker does not need to select a key client on the site, thereby reducing the development cost and the maintenance cost.

Description

A SECRET KEY system, key clients, as well as key management method FIELD

The present invention relates to the field of communications, particularly to a key system, client key, and a key management method.

Background technique

Static Data encryption is especially important for large enterprises. Enterprise users often want to use a different key systems on different business applications, resulting in many products and technologies currently on the market, it is difficult to unify.

Key Management Interoperability Protocol (Key Management Interoperability Protocol, KMIP) is to solve the key management "silos" problem, multi-key management server manufacturers (Key Management Server Vendor, KMS vendor) production of key server (server) of docking between mainstream technology standard, which aims to provide a unified communications protocol for multiple key server, in order to achieve interoperability between the key server. Key Management Server manufacturers can also be referred to as a key server manufacturers.

But each KMS vendor following problems in the realization of the standard: each KMS vendor selection criteria for KMIP partial support, leading to the production's key server (server) supports different operating subset KMIP. In order to solve the problems of the prior art docking, often integrating multiple clients (client) device using a key management service, each client and their corresponding key server (server) docking. In the on-site installation and deployment, technical service personnel Server according to manufacturer, model, and version, select the correct client, to complete the docking. The use of key management services for different server device needs to develop different versions of client and require technical service personnel at the scene select client version, development and maintenance costs are high.

SUMMARY

To solve the above problems of the prior art, a first aspect there is provided a key example of the present invention the client, the client key includes a processor, a memory, a communication interface, and a bus, wherein said processor, the memory and the communication interface via the communication bus.

The communication interface, under control of the processor, the ability to initiate the operation to detect the key server, the server receives the key returned by the operating capability; the memory, under control of the processor , the recording operation key returned by the server capability, and the ability to form a bit map of the operation key server; the processor for client according to the key operation of the key and the capability bits FIGS server Skills bitmap, the bitmap capability to obtain the operation key of the key client and server; further operational capability for the bit map key server key with the client, and according to the preset rule set, select the key client rules interacting with the key server key; said communication interface further under control of said processor, said selected according to the rules, and the dense key server key interaction.

Binding a first aspect, a first embodiment implemented in a first aspect, the communication interface is configured Interoperability Protocol KMIP initiating key management key operation detection capability to the server.

With the first aspect and a first implementation of the first aspect, in the second implementation mode of the first aspect, the communication interface is configured to initiate the key server based on dependencies between a plurality of operation the ability to detect a plurality of operation.

With the first aspect and a first, a second implementation of the first aspect, in a third implementation of the first aspect, the processor is the key for the specific client, and the ability to operate bitmap Skills bitmap for said key server a logical aND operation, the operation to obtain the bitmap capability of the client key server key.

With the first aspect and the first aspect of the first, second, third implementation, a fourth embodiment implemented in a first aspect, the processor is specifically for the client with the key Skills bitmap key server, and sets the preset rule for the logical aND operation, the operation ability obtained matching result bitmap rule set, from the matching result, the select key of the client key server key rules interact.

The fourth implementation manner of the first aspect, in the fifth implementation of the first aspect, the processor is configured to focus each of the priority rules based on the preset rules, select the highest priority as a rule the client key with the key server key interaction rules.

The fourth implementation manner of the first aspect, in a sixth implementation of the first aspect, the processor is configured to, according to the matching result, select up to support operation of the rule, as the key the client key with the server key interaction rules.

Second aspect of embodiments of the present invention provides a key system, comprising a client key and a key server. The client key, for initiating operation of the ability to detect the key server; the key server is configured to return the key server key to the client operating capacity; the customer key end, but also the ability for operating the recording key returned by the server, and the ability to form a bit map of the operation key server, operating according to the key-bit capability of the client and the ability to operate bitmap key server FIG afford the ability to operate the bitmap key of the key client and server; further capability for the operation of the bit map key server key with the client, and a set of preset rules, select the key server key with the client key rules for interaction, for interacting with a key of the key server according to the selected rule.

Third aspect of embodiments of the present invention provides a key management method, is applied to a key system comprising a key and a key server client. Key to initiate operation of the client the ability to detect the key server, the server receives the key operation capability returns to the key server; the key operation of the recording capacity of the client server returns the key and forming said bit map operation key server capability, the operation of the key capability bitmap client bitmap and the ability to operate the key server to obtain the key from the key server client the ability to operate the bitmap; bitmap according to the operational capability of the client key server key, and a set of preset rules, the selected rule key client interacting with the key server key the rules of the selected, for interaction with the key server key.

Key system according to the disclosed embodiment of the present invention, client key, and a key management method, client key, the key server may initiate the operation to detect the ability to receive and record the key of the key returned by the server operational capabilities of the server, the forming operation capacity bitmap key server, according to the operation capacity bitmap bitmap and the ability to operate the key server key to the client, the server to obtain the secret key Skills bitmap key server, according to a preset rule set and selecting the key client rules interacting with the key server key, carried out with the secret key according to the rules of the selected server key interaction. Eliminating the need for equipment key management services for different different key key client server development, you can achieve docking key server and client key (for example, a key interaction); and does not require technical service personnel site selection key client, reducing development and maintenance costs.

BRIEF DESCRIPTION

In order to more clearly illustrate the technical solutions in the embodiments or the prior art embodiment of the present invention, the accompanying drawings for the need to use a simple embodiment will be described, it is apparent, in the following description of the present invention, some of the drawings are embodiments, those of ordinary skill in the art is concerned, without creative efforts, can derive from these drawings other drawings.

A structure diagram of an embodiment of FIG key system embodiment of the invention;

Figure 2 a schematic side client key structure according to the present invention;

Figure 3 a schematic embodiment of the present invention KMIP;

Example 4 is a flow chart schematic diagram of a method embodiment of the invention;

FIG 5 is a schematic flowchart of another method embodiment of the present invention.

detailed description

Order that the invention object, technical solutions, and advantages of the embodiments more clearly below in conjunction with the present invention in the accompanying drawings, technical solutions in the embodiments will be apparent to the present invention, completely described, obviously, the described embodiments some embodiments of the present invention rather than all embodiments. Based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without any creative effort shall fall within the scope of the present invention.

100 FIG. 1 is a structural diagram of the embodiment of the present invention a key system. Key 100 includes a key client system (client) 110, and a plurality of key server (server) 120,122,124. In a Client 1, an example server and three, when the actual implementation of course, not limited thereto, may include a plurality of Client, comprising two or more server. Using the key between the client and server management Interoperability Protocol (Key Management Interoperability Protocol, KMIP) communication. client may be arranged separately or integrated in the device using a key management services, of course, also be integrated in the storage array. Using the device key management services, also known as encryption devices, or cryptographic device. Similar, server may be arranged separately or integrated in the general-purpose server, of course, also be integrated in the storage array. Embodiment of the present invention is not limited to this embodiment. Further, FIG. 1 is merely illustrative and do not limit the application scenario according to embodiments of the present invention.

2, a schematic diagram of an end structure of the key to an embodiment of the invention the customer. In the diagram shown in Figure 2, client 110 includes a processor 202, a memory 204, a communication interface 206 and a bus 208. Wherein, processor 202, memory 204, and a communication interface 206 connected to the communication between each other through a bus 208 to realize.

The processor 202 may use general purpose CPU (Central Processing Unit, CPU), microprocessors, application specific integrated circuits (Application Specific Integrated Circuit, ASIC), or one or more integrated circuits, for performing the procedures to the technical solution provided in embodiments of the present invention. Further, processor 202 may not only comprise one or more integrated circuits may also include one or more processor cores. When a plurality of integrated circuits comprises one or more processor cores, the processor may be a homogeneous system or heterogeneous processor systems, the present invention does not limited thereto.

The memory 204 may be a read-only memory (Read Only Memory, ROM), static storage device, storage device, or dynamic random access memory (Random Access Memory, RAM). The memory 204 may store operating systems and other applications, in the embodiment of the invention, the memory 204 may be used to store the client's ability to operate the bitmap, the bitmap and the operational capabilities of the server. When realizing the technical solution provided by the embodiment of the present invention, software or firmware, a program code for realizing the technical solution provided in embodiments of the present invention is stored in the memory 204 by the processor 202 for execution.

The communication interface 206 to communicate with the server to obtain the server's ability to operate the bitmap (bitmap). A communication interface, for example, a network card, for providing an interface for communicating with the server.

Bus 208 may include a passage 110 in the Client various components (e.g. a processor 202, memory 204 and communication interface 206) to transfer information between.

client 110 may also include I / O interface 210 (not shown), for example, a printer comprising a keyboard or the like to facilitate user input or output.

Alternatively, display 212 may also include (not shown), to facilitate display information to a user.

Before the process embodiment of the present invention in detail, firstly KMIP introduced. 3, comprises three main elements of KMIP-enabled (element): object 300, the operation of the object 302 (the operation), and the properties of the object 304 (referred to as attributes).

Operation 302 includes, as shown in Table 1:

Table 1

Figure PCTCN2015084818-appb-000001

The operation object 300 includes, as shown in Table 2:

Table 2

No. Objects description
1 certificates certificate
2 symmetric keys Symmetric key
3 asymmetric keys Asymmetric Key
4 ... ...

304 object may include properties as shown in Table 3 Table 3 illustrate exemplary only, may further include other object properties:

table 3

No. Objects description
1 identifier Identifying the object
2 name Name of the object
3 algorithm algorithm
4 algorithm name Name of the algorithm
5 ... ...

Client key can be performed prior to interact with the server, client server need support or in which what kinds of operation 302, i.e., the ability to operate in FIG server (capability map), in s_cmap FIG. Specifically, FIG operational capability server may be represented in the form of a bitmap (Bitmap) of. Accordingly, the client's ability to operate the memory is also saved in FIG client, i.e., which one or which client supports several operations 302 to c_cmap FIG. Of course, other forms may be employed, such as strings, arrays, tables, or the like. The present invention is not limited to this. The following detailed description an example of a bitmap.

Schematic flow chart of Example 4, the embodiment of the present invention. among them,

400, client 110 to detect operation 120 initiates capability server, the ability to detect the operation of the Server 120. The ability to detect the specific operation of the following detailed description will be 5 in conjunction with FIG.

Specifically, under the control of the processor 202, the communication interface 206 is detected by the client 110, 120 to initiate operation capability server.

410, server 120 returns 120 to the client 110 the ability to operate the server.

415, client 110 receives the server's ability to return operation 120, and record, the server operating capability is formed bitmap (s_cmap) 120 a.

Specifically, the communication interface 206 by the client 110, under control of processor 202, receiver 120 operates to return the capability server. And under control of processor 202, the memory 204 of the recording server 120 returns the operational capabilities, and forming said server operating capacity of 120 bits.

420., client 110 operating according to the client capability bitmap 110 and the server operating capability of the bitmap 120 to obtain the client 110, the server indicates to cs_cmap operation capacity of 120 bits.

In particular, by a processor of client 110 and 202 according to c_cmap s_cmap, to give cs_cmap.

425, client 110 (specifically processor 202 may be a client 110) in accordance with the client 110 and server 120 operational capabilities of the bitmap, i.e. cs_cmap, and a set of preset rules, selecting the client 110 with the server 120 for adhesion key interaction rules;

430, client 110 according to the selected rule, for interaction with the key server 120.

Specifically, under control of processor 202 according to the selected rule, and the key server for a client communication interface 206 to interact 110 120.

Client 110 may be employed in a similar manner, the ability to detect the operation server 122. Similar steps 500-530 and 400-430, not described in detail. And It will be appreciated that, between steps 500-530 and 400-430, there is no distinction of the sequence.

5 in detail below in connection with FIG client 110 to detect operation 120 initiates capability server, the ability to detect the operation of the server120.

When actually implemented, client can combine their own ability to choose what kind of operation to detect the ability to initiate server. Client of course also be based on the actual needs of users, to determine what kinds of operations the ability to detect the launch to server. In the following nine selected client operations (such as create, createkey pair, register, re-key, re-key key pair, certify, re-certify, locate, get) detection capability server operating instructions.

Client these nine modes of operation support condition shown in Table 4:

Table 4

Figure PCTCN2015084818-appb-000002

Table 4, with "1" for support to "0" is not supported. Of course, you can turn to "0" for support to "1" is not supported. Support on behalf of have some skills. As shown in Table 4, except that Client has the ability to re-certify the operation, the other having a capacity of eight kinds of operations. Client nine kinds of the above-described operation capability bitmap (c_cmap) is (1,1,1,1,1,1,0,1,1).

There are dependencies between some operations, such as first, create operation, only location and get operations. Thus, client the ability to detect the need to initiate operation to the server based on the plurality of dependencies between a plurality of operation. If there are no dependencies, the ability to detect the launch there will be no restriction of order.

Further Specifically, client may initiate the ability to detect the operation to the server through the plurality KMIP.

600, client detection server operating support create it?

610, server operation support create, numeral 1 denotes a support reply client. That server has the ability to create operation.

615, client records server supports create operation, expressed as 1.

table 5

Figure PCTCN2015084818-appb-000003

620, client detection server supports create key pair operate it?

625, server does not support create key pair operations, respond to client number 0 indicates no support. That server does not have the ability to create key pair operation.

630, client records server does not support create key pair operation to 0 indicates.

Table 6

Figure PCTCN2015084818-appb-000004

To register, re-key, re-key key pair, certify, re-certify, locate, get a similar operation also, the final forming operation bitmap capability server as shown in Table 7 (s_camp). s_camp may be recorded in the memory 204.

Table 7

Figure PCTCN2015084818-appb-000005

I.e., the ability to detect through the operation, server having create, register, re-key, re-key key pair, certify and get operations capability, but does not have the ability to operate create key pair, re-certify and locate the.

800, client (client processor may be specifically) may client handling capacity bitmap (c_camp) and operational capability bitmap (s_camp) server as a logical AND operation, the operation to obtain the client and server capabilities bitmap (cs_camp) . As shown in Table 8:

Table 8

Figure PCTCN2015084818-appb-000006

805, client (client processor may be specifically) the client and server operating capability bitmap (cs_cmap), and preset rule set and perform the logical operation, the ability to obtain a matching result bitmap operations rule set. Matching results may be stored in memory 204.

If the preset rule is set as shown in Table 9:

Table 9

Figure PCTCN2015084818-appb-000007

Table 9 merely illustrative, of course, there may be more rules, and the rules may take different values.

cs_camp preset rule set and perform the logical operation, the matching results shown in Table 10:

Table 10

Figure PCTCN2015084818-appb-000008

810., client (client may be processor specific) from the matching result, the rules select key client and server interaction.

If the preset priority of the rule set is provided for each rule, for example, a higher priority on the priority Rule 1 Rule 2, and Rule 1 cs_camp places matching results, as the client and server key rules for interacting. If the rule set to a preset priority order of the rules in the sequence, only need to match the first rule, i.e., client and server can obtain the key rules for interacting. As long as in the case of the first rule does not meet the requirements, just behind the order matching rules.

If the preset rule set without setting a priority of the rules can result from the matching, selecting a maximum number of rules of "1" or "0", as the client and server key rules for interacting. Since the present embodiment to "1" represents a certain operation capability, and therefore in the above Table 10, select "1" up to the number of rules. 2 cs_camp rule matching result comprises six "1", therefore cs_camp 2 rule matching results, as the client and server key rules for interacting.

815, according to the selected rule, and the server performs key interaction.

The method of FIG. 4 and the flow shown in FIG. 5, the specific key may be done by the end customer key system of FIG. 1 and FIG. 2.

Example discloses a key system, client key, and the key management method of the present invention. Wherein, client key, the key server may initiate the operation to detect capability, ability to receive and record the key operation of the key server returned by the server to form the key operation capacity bitmap server, according to the said bitmap operational capability and the ability to operate the bitmap key server client key, and the key server to obtain the ability to operate the key server bitmaps, and according to a preset rule set, select the density the client key with the key server key rules for interaction, for interacting with a key of the key server according to the selected rule. Eliminating the need for equipment key management services for different different key key client server development, you can achieve docking key server and client key (for example, a key interaction); and does not require technical service personnel site selection key client, reducing development and maintenance costs.

Finally, it should be noted that: the above embodiments are intended to illustrate the present invention, rather than limiting;. Although the embodiments of the present invention has been described in detail, those of ordinary skill in the art should be understood: that they may still to the technical solutions described in each embodiment to modify, or to some technical features equivalents; as such modifications or replacements do not cause the essence of corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (21)

  1. One kind of client key, wherein the key comprises a client processor, a memory, a communication interface, and a bus, wherein the processor, the memory and the communication interface via the communication bus;
    The communication interface, under control of the processor, the ability to initiate the operation to detect the key server, the server receives the returned key operation capability;
    The memory, under control of the processor, the operation recording key returned by the server capability, and the ability to form a bit map of the operation key server;
    The processor, according to the key operation capacity bitmap client bitmap and the operational capabilities of the key server to obtain the ability to operate the bitmap key of the key client and server; further the ability to operate a bitmap for the key of the key client and server, and a set of preset rules, the selected rule key client key interacting with the key server;
    The communication interface is further configured under control of the processor, said selected according to the rules, interacting with the key for key server.
  2. The client according to claim 1, wherein the communication interface is configured Interoperability Protocol KMIP initiating key management key operation detection capability to the server.
  3. The client of claim 1 or claim 2, wherein the communication interface is configured to initiate a plurality of operations the ability to detect the key server according to the dependencies between a plurality of operation.
  4. A client according to any one of 1 to 3 as claimed in claim, wherein the processor is configured to operate the key capability bitmap client bitmap and ability to operate the logic and for the key server operation, the operation to obtain the bitmap capability of the client key server key.
  5. A client according to any one 1 to 4 as claimed in claim, wherein the processor is configured to operate the key capability bitmap client and the server key, and the preset rules set as a logical aND operation, the operation ability obtained matching result bitmap rule set, from the matching result, the select key of the key client and server interaction rules key.
  6. The client as claimed in claim 5, wherein the processor is configured to focus each of the priority rules based on the preset rules, the rules select the highest priority as the key and the client said key server key interaction rules.
  7. The client as claimed in claim 5, wherein the processor is configured to, according to the matching result, select up operation support rule, as the secret key for the client and the server key key rules of interaction.
  8. One kind of key system comprising a key and a key server client, wherein,
    The client key, for initiating operation of the ability to detect the key server;
    The key server, a client returns to the key of the operation key server capability;
    The client key, but also the ability for operating the recording key returned by the server, and the ability to form a bit map of the operation key server, according to the key operation of the client capability and the key bitmaps Skills bitmap server to obtain the ability to operate the bitmap key of the key client and server; further bitmap according to the operational capabilities of the client key server key, and a pre- concatenation rule set, select the key client rules interacting with the key server key, perform interaction with the key server key according to said selected rule.
  9. The system according to claim 8, wherein said client specific key for Interoperability Protocol KMIP initiate operations by the key management capabilities to detect the key server.
  10. The system of claim 8 or claim 9, characterized in that, particularly for the key client based on dependencies between the plurality of operating capability of initiating operation of the probe to a plurality of the key server.
  11. The system according to any one of claims 8 to 10, wherein said client specific key operation for the key capability bitmap client bitmap and the operational capabilities of the server as a logical key operation, the operation to obtain the bitmap capability of the client key server key.
  12. The system according to any one of claims 8 to 11, wherein said client specific key operation for the key capability bitmap key of the client and server, and the preset rule set for the logical aND operation, the operation capacity bitmap resulting rule set matching result from the matching result, the select key client rules interacting with the key server key.
  13. The system as claimed in claim 12, wherein said client specific key for the highest priority of the rule, each concentration selected according to the preset rule as the rule and client key the key server key rules for interacting.
  14. The system as claimed in claim 12, wherein said specific key for the client, according to the matching result, select up operation support rule, as the key for the client and server key key rules of interaction.
  15. One kind of key management method, is applied to a key system comprising a key and a key server client, wherein,
    Key to initiate operation of the client the ability to detect the key server, the server receives the key operation capability returns to the key server;
    The key of the key client records returned by the server operational capability, and the ability to form a bit map of the operation key server, according to the key operational capabilities of the client and the ability to operate bitmap key server bitmap, the bitmap capability to obtain the operation key of the key client and server; according to the operation capacity of the bit map key server key with the client, and a set of preset rules, the selected client key with the key server key rules for interaction, for interacting with a key of the key server according to the selected rule.
  16. The method according to claim 15, wherein said client specific key Interoperability Protocol (of KMIP-enabled) by the key management to initiate the operation to detect the key server capability.
  17. The method of claim 15 or claim 16, wherein said client specific key based on dependencies between a plurality of operation initiates the ability to detect the plurality of operations to the key server.
  18. The method according to any one of 15-1 as claimed in claim 17, wherein said client specific key operation of the key to the operation of the client capability and the key server bitmap ability bitmap for logical AND operation to give the key to the key server client and bitmap handling capacity.
  19. 15-1 Method according to any of claims 18, wherein said client specific key operation of the key capability bitmap client and the server key, and the preset rule set as a logical aND operation, the operation ability obtained matching result bitmap rule set, from the matching result, the select key of the key client and server interaction rules key.
  20. The method according to claim 19, wherein said client specific key focus of each priority rules based on the preset rules, the rules select the highest priority as the key to the client key server key rules interact.
  21. The method according to claim 19, wherein said client specific key, according to the matching result, select up operation support rule, carried out key as the key of the key client and server regular interaction.
PCT/CN2015/084818 2015-07-22 2015-07-22 Key system, key client, and key management method WO2017012097A1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101179573A (en) * 2007-10-24 2008-05-14 中兴通讯股份有限公司 Method of implementing online dynamic updating server software configuration information
US20100306525A1 (en) * 2009-05-28 2010-12-02 Microsoft Corporation Efficient distribution of computation in key agreement
CN102546824A (en) * 2012-02-20 2012-07-04 沈文策 Flash data transmission method and system, as well as server and client

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101179573A (en) * 2007-10-24 2008-05-14 中兴通讯股份有限公司 Method of implementing online dynamic updating server software configuration information
US20100306525A1 (en) * 2009-05-28 2010-12-02 Microsoft Corporation Efficient distribution of computation in key agreement
CN102546824A (en) * 2012-02-20 2012-07-04 沈文策 Flash data transmission method and system, as well as server and client

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