WO2007076665A1 - Procede, systeme et dispositif de gestion de licence - Google Patents

Procede, systeme et dispositif de gestion de licence Download PDF

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Publication number
WO2007076665A1
WO2007076665A1 PCT/CN2006/002280 CN2006002280W WO2007076665A1 WO 2007076665 A1 WO2007076665 A1 WO 2007076665A1 CN 2006002280 W CN2006002280 W CN 2006002280W WO 2007076665 A1 WO2007076665 A1 WO 2007076665A1
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WO
WIPO (PCT)
Prior art keywords
license
license file
file
client
original
Prior art date
Application number
PCT/CN2006/002280
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English (en)
Chinese (zh)
Inventor
Yongzheng Xie
Zhong Lin
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2007076665A1 publication Critical patent/WO2007076665A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords

Definitions

  • the present invention relates to the field of information product protection, and in particular to a license
  • the license protection scheme is widely used in commercial products.
  • the license protection scheme needs to bind the application of the control object to the device feature and implement digital signature based on the characteristics of the control object, using a digital signature algorithm based on the asymmetric cryptosystem, and then store the signature data in the license file and issue it to the license file.
  • Authorized user During the operation of the product, the information device needs to obtain the digital signature from the license file on the one hand, and obtain the device identification from the product on the other hand, verify the content obtained by the two aspects, and then according to the verification result and the license file.
  • the feature item in the specification specifies that the corresponding resources, services, and functions are enabled to achieve controlled operation of the product.
  • Figure 1 shows the digital signature verification model in the license protection scheme system.
  • the digital signature based on the asymmetric cryptosystem is the core of the control in the license protection scheme system.
  • the License Center digitally signs the device serial number (ESN) and feature (Feature) through the private key (private key) to obtain the license product feature information segment, and then generates a license.
  • the file is sent to the license client (license Client); the information device as the license client uses itself after obtaining the license file
  • the ESN and the Public Key are verified and decrypted to obtain the feature attributes of the device.
  • there is a lack of effective management of the license file When the license client needs to use the license file, the corresponding license file needs to be manually found and loaded into the information device.
  • the method includes the following steps:
  • the license server receives a license request from the client
  • the license server generates a new license file according to the license request
  • the license server transmits the new license file to the client.
  • the generating a new license file according to the license request is:
  • the license server finds the corresponding original license file stored locally according to the client characteristic information in the license request, and uses the original license file as a new license file or according to the original license file. Generate a new license file for all or part of the content.
  • the generating a new license file according to all or part of the original license file is:
  • the license server finds a license information segment corresponding to the client feature information from the original license file according to the client feature information in the license request, and assembles a new license according to the license information segment. Certificate document.
  • the receiving the client's license request further includes:
  • the license server analyzes the original license file, obtains and stores the client feature information and The correspondence of the original license file.
  • the generating a new license file according to the license request is:
  • the license server obtains a corresponding original license file from the corresponding relationship between the client feature information and the original license file according to the client feature information in the license request, and obtains a corresponding corresponding file from the original license file.
  • the license information segment is assembled according to the obtained license information segment to generate a new license file.
  • the receiving the client's license request further includes:
  • the license server analyzes the original license file and obtains and stores the correspondence between the client feature information and the license information segment.
  • the generating a new license file according to the license request is:
  • the license server analyzes the license request, extracts client characteristic information therefrom, and searches for a corresponding license information segment according to the extracted client feature information to search for a corresponding relationship between the stored client feature information and the license information segment. And generate a new license file according to the obtained license information segment and the client feature information.
  • the assembly generates a new license file including:
  • the product feature information segment in the license information segment is added to the new license file.
  • the generating of the new license file further includes:
  • the generating the new license file includes: copying the product feature information segment in the original license file stored locally by the license server into the product feature information segment in the new license file.
  • the client's license request includes client feature information.
  • the client feature information includes: a product name, a device identifier, and a product version.
  • Another object of the present invention is to provide a license management system that can automatically manage Licensing documents.
  • the system includes:
  • a license server connected to the client through a network, for receiving a license request from a client, generating a new license file, and transmitting the generated new license file to the client;
  • the client is further configured to receive a license file from a license server and obtain license information from the received license file.
  • the license server includes:
  • An original license file analysis module for analyzing the original license file to obtain information in the original license file
  • a client request receiving module configured to receive a license request from the client
  • a new license file generating module configured to obtain information in the original license file obtained by the original license file analysis module, and a license of the client request receiving module Request, generate a new license file
  • a license file transfer module for transmitting a new license file generated by the new license file generation module to the client.
  • the system further includes:
  • a license file relay device connected to the client and the license server through the network, for receiving a license request sent by the client, and forwarding the license request to the license server; and also for receiving the license Server new license file and forward it to the client.
  • the license file relay device is a license file relay device group in which one or more license file relay devices are connected in series.
  • the license server includes:
  • Original license file analysis module used to analyze the original license file, obtain the original license The information in the document;
  • a client request receiving module configured to receive a license request of the client
  • a new license file generating module configured to generate a new license file according to the license information segment obtained by the original license file analysis module or the original license file;
  • a license file transfer module that transmits a new license file generated by the new license file generation module to the client.
  • the original license file analysis module includes:
  • An original license file storage unit for storing the original license file
  • the original license file analysis unit is configured to analyze the original license file stored in the original license file storage unit, and obtain a correspondence between the license information segment or the original license file and the client feature information.
  • the original license file analysis module further includes an analysis result storage unit configured to store the correspondence relationship obtained by the original license file analysis unit.
  • the new license file generation module includes:
  • a client characteristic information analyzing unit configured to obtain, from a client request, a client feature letter new license file synthesizing unit, configured to obtain, according to the client feature information obtained by the client feature information analyzing unit, the original license
  • the file analysis module obtains the corresponding license information segment or the original license file, and generates a new license file according to the obtained license information segment or the original license file.
  • the new license file generation module further includes a digital signature unit for generating a digital signature of the new license file.
  • the license server further includes:
  • An original license file acquisition module for obtaining an original license file from an external device.
  • the beneficial effects of the present invention are as follows:
  • the invention centrally manages a large number of license files in the license server, automatically distributes the license files according to the request of the client, does not need to know the license file name when the client requests, realizes automatic management of the license file, avoids human error, greatly Reduced maintenance costs.
  • the license file is transmitted between the license server and the client.
  • the license file itself has a high security, which greatly reduces the possibility of leaks in network transmission.
  • the new license file generated by the assembly can filter the original license file, extract only the information segments related to the requested client, and form a new license file, thereby reducing redundancy of network transmission. Data improves network transmission efficiency and client resolution efficiency.
  • related information can also be forwarded through a simple license file relay device, which increases the flexibility of client deployment.
  • FIG. 1 is a digital signature verification model in a prior art license protection scheme system
  • FIG. 2 is an example of an original license file in an embodiment of the present invention
  • FIG. 4 is a block diagram of a license management system according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of license management according to an embodiment of the present invention.
  • Figure 6 is a block diagram of a first embodiment of a license server in the license management system shown in Figure 4;
  • FIG 7 is a block diagram showing a second embodiment of the license server in the license management system shown in Figure 4;
  • FIG. 8 is a block diagram showing an embodiment of an original license file analysis module in the license server shown in FIG. 6 or FIG. 7;
  • Figure 9 is a diagram of the new license file generation module in the license server shown in Figure 6 or Figure 7.
  • the core idea of the solution of the present invention is to centrally manage and decentralize the license files.
  • the license server (License Server) centrally manages and stores the original license files of the plurality of client devices; the client device sends a request for the license file to the license server, and the license server is configured according to the client device The request and the stored corresponding original license file generate a new license file and send to the client device.
  • Fig. 2 is a diagram showing an example of an original license file in the embodiment of the present invention.
  • the original license file may be in the form of text and may include a public information segment and at least one product feature information segment, wherein the public information segment is not required.
  • the public information section may include, but is not limited to, copyright notice information, full-text digital signatures, and the like, and is used to protect the entire file from being modified.
  • the product feature information segment may include, but is not limited to, plaintext data such as product name, product version, device identification, product characteristics, product feature attributes, and corresponding digital signatures.
  • the product name, product version, and device identification are used to determine which device the information segment belongs to; where the product version is not required, for example, if the product does not have multiple versions or the product feature information segment can be used for multiple versions, the product feature information segment There is no product version in it.
  • the product feature attribute describes the properties that the device is licensed to, such as the ability to perform certain functions, the maximum number of users, and so on.
  • the original license file may contain multiple pieces of feature information of one device, or may contain pieces of feature information of multiple devices.
  • FIG. 3 is a schematic diagram of a new license file in the embodiment of the present invention.
  • the new license file generated by the license server is basically the same as the original license file format, and the client does not have to understand the obtained license file.
  • the license file is a license server Reassemble the new license file generated by the build.
  • the license server can directly send the stored original license file to the client device.
  • the following processing manner can be adopted:
  • the license server reassembles according to the request of the client device to generate a new license file, which only contains the product feature information segment required by the client, and removes information unrelated to the client to improve network transmission.
  • the product feature information segment of the new license file may be a corresponding product feature information segment copied from the original license file, so that the license server does not need to encrypt and decrypt the product feature information segment, and the implementation is simple, and the security requirement is also very low.
  • the full-text digital signature of the original license file can no longer be used, the full-text digital signature can be removed, and the entire public information segment can be removed.
  • the preferred method is the license server. Generate a full-text digital signature of the new license file.
  • the license management system in the embodiment of the present invention includes a license server 100 and a client 200.
  • the system may further include one or more license file relay devices 300, and the client 200 may be connected to the license file relay device 300 through the network, and the license file relay device 300 Further connected to the license server 100, the client 200 obtains the license file from the license server 100 by forwarding the license file relay device.
  • the license file relay device can directly forward the data between the client and the license server.
  • the license file relay device is similar to a message forwarder; it can also be after receiving the client request or before the client request
  • the entire license file is forwarded to the client, and the license file relay device is similar.
  • the license file relay device in the system can also be connected in series one level, and the client obtains the license file through multiple forwarding.
  • the network described above refers to all media that can be communicated between two devices, including but not limited to Ethernet, Wireless Local Area Network (WLAN), Asynchronous Transfer Mode (ATM) networks, Time Division Multiplexing (TDM) networks, and the like.
  • WLAN Wireless Local Area Network
  • ATM Asynchronous Transfer Mode
  • TDM Time Division Multiplexing
  • TCP Transmission Control Protocol
  • UDP User Data Protocol
  • FTP File Transfer Protocol
  • TFTP Transmission Protocol
  • a license file relay device An application example of a license file relay device is given below. For example, if a device is connected to a network management server that manages the device through an RS-232 serial port, and the network management server can be connected to the license server through the Internet, the network management server can be relayed as a “license file”. The device forwards the license request sent by the client through the serial port to the license server through the Internet, and forwards the license file transmitted by the license server to the device through the serial port.
  • Step 510 The license server receives a license request of the client.
  • the license request received by the license server may be sent directly by the client, or may be forwarded by the license file relay device, and the license server considers the request sent by the client.
  • the license request contains the client's feature information, such as the client's product name "XX switch”, product version "1.0", and device ID "0050BA20CDD5".
  • licensel.txt includes the following.
  • the two product names are the product feature information sections of the product name "XX switch", the product version "1.0", and the device identifier "0050BA20CDD5";
  • the three product names are the product feature information sections of the product name "XX switch”, product version "1,0", and device identifier "1040BA20CDD5";
  • Product feature information section for 4 product names "XX Router”, product version "2.0”, device ID "0050BA20CDD5". Find the correspondence between the client feature information and the original license file, and store the corresponding relationship; for example, record the license server with the product name "XX switch”, product version "1.0", device identifier "0050BA20CDD5" The product feature information section exists in the file c: ⁇ license ⁇ licensel.txt.
  • the license server can analyze all license files in the specified directory c: ⁇ license at startup, or it can be manually initiated to analyze some or all of the original license files.
  • the original license file can be stored directly on the license server, or it can be obtained from the outside world and placed on the license server in various ways, such as copying it to the license server through a storage medium, or transferring it to the license through the network. In the server, and so on.
  • the information segment corresponding to the information (which may include product feature information segments, may also include public information segments, etc.) is extracted and stored, such as stored in a database or in a specific file. After the analysis is completed, the original license file may not be retained. .
  • the product name "XX switch”, product version "1.0", device ID "0050BA20CDD5" and its corresponding product feature information segments in the license server are stored in the database.
  • Step 520 The license server generates a new license file according to the request.
  • the license server analyzes the client's request, obtains the client feature information, and generates a new license file that meets the client's requirements according to the client feature information.
  • the easiest way to do this is for the license server to directly locate the original license file containing the client's feature information and use it directly as a new license file, or copy the original license file to get a new license file, instead of the original license.
  • the files are filtered, which also achieves the purpose of automatic centralized management.
  • the preferred implementation method is that the license server only composes the corresponding license information requested by the client into a new license file, and the implementation method is further described below.
  • the license server When assembling a new license file, the license server needs to obtain the license information segment corresponding to the client feature information, which is divided into the following three cases:
  • Case 1 If the license server has not analyzed the original license file before, the license server needs to search each original license file, find the original license file containing the client feature information, and obtain the corresponding client profile information. License information section. If the product feature information section of the product name "xx switch”, the product version "1.0", and the device identifier "0050BA20CDD5" is found in the original license file c: ⁇ license ⁇ licensel.txt, the license server is again from the file. Obtain the corresponding license information segment, that is, the public information segment and the two product names in the file are the product feature information segments of the product name "xx switch", the product version "1.0", and the device identifier "0050BA20CDD5"'.
  • Case 2 The license server has previously analyzed and obtained the correspondence between the client feature information and the original license file, and then obtains the corresponding original license file from the corresponding relationship according to the client feature information, and obtains the client from the client.
  • the license information segment corresponding to the feature information. If the license server has recorded the product name "xx switch”, the product version "1.0", the device ID "0050BA20CDD5", and the corresponding original license file is c: ⁇ license ⁇ licensel.txt, the license server can directly find the original.
  • the license file c: ⁇ license ⁇ licensel.txt, and the corresponding license information segment is obtained from it, that is, the public information segment and the two product names in the file are the product name "xx switch", the product version "1.0", the device Identify the product feature information section of "0050BA20CDD5".
  • Case 3 The license server has previously analyzed the original license file, and recorded the client feature information and its corresponding license information segment, then directly obtains the corresponding license information segment according to the client feature information, and does not need to search again. The original license file is gone.
  • the license server can directly copy the product feature information segment into the new license file.
  • the product feature information sections of the product name "XX switch", the product version "1.0", and the device identifier "0050BA20CDD5" are directly copied to the new license file, and the new license file contains the product feature attributes.
  • the client can control the relevant properties accordingly.
  • the license server can also copy the public information segment to the new license file to provide more information. If the new license file is not identical to the original license file, the full-text digital signature can no longer be used. It cannot be copied to a new license file; in this case, the license server can also generate a new full-text digital signature for the new license file and place it in a new license file for more complete protection.
  • Step 530 the license server transmits the new license file to the client.
  • the license server transmits the new license file to the client through the network, where the client can be either the final client or the license file relay device; the license file relay device then re-applies the new license file Forwarded to the final client, or forwarded to the next level of license file relay, the license server does not need to care about what is directly connected to it.
  • the protocol to be transmitted can be via TCP, UDP, FTP, TFTP ⁇ , or a custom protocol. Encryption can also be performed during the transfer. These are all techniques well known to those skilled in the art and will not be described again.
  • the client After the client obtains the license file, it can be verified and decrypted, which can be used to control its own functional attributes.
  • the license server 100 includes an original license file analysis module 110, a client request receiving module 120, a new license file generating module 130, and a license file transmitting module 140.
  • the original license file analysis module 110 is configured to analyze the stored original license file to obtain a correspondence between the client feature information and the license information segment or the original license file;
  • the client request receiving module 120 is configured to receive the client request, and send the received client request to the original license file analysis module 110 and the new license file generating module 130;
  • the new license file generation module 130 generates a new license file based on the client request from the client request receiving module 120 and the license information segment or the original license file from the original license file analysis module 110;
  • the license file transfer module 140 is for transmitting the generated new license file to the client.
  • Figure 7 shows a second embodiment of the license server of the present invention.
  • the license server 100 further adds an original license file obtaining module 150 for acquiring the original license file from the external device to the license server.
  • the original license file is copied from the external storage medium (floppy disk, CD, etc.) to the license server, or the original license file is transferred to the license server via the network.
  • FIG. 8 is a block diagram showing the internal structure of the original license file analysis module 110 in FIG. 6 or 7.
  • the original license file analysis module 110 includes an original license file analysis unit 111, an original license file storage unit 112, and an analysis result storage unit 113.
  • the original Xu The certificate file analysis unit 111 is configured to analyze the original license file stored in the original license file storage unit 112 to obtain an analysis result; the original license file storage unit 112 is configured to store the original license file; the analysis result storage unit 112 It is used to store the analysis result obtained by the original license file analyzing unit 111.
  • the analysis result is a correspondence between the license information segment or the original license file and the client feature information.
  • the original license file analysis module 110 may also include only the original license file analysis unit 111 and the original license file storage unit 112, and the analysis result of the original license file analysis unit 111 is directly sent to the new license file generation module 130.
  • FIG. 9 is a structural block diagram of a new license file generating module 130 in the license server shown in FIG. 6 or FIG. 7.
  • the new license file generating module 130 includes a client feature information analyzing unit 131, a new license file synthesizing unit 132, and a digital signature unit 133.
  • the client feature information analyzing unit 131 is configured to obtain a client from a client request.
  • Feature information, the new license file synthesizing unit 132 is configured to obtain a corresponding license information segment or an original license file from the original license file analysis module 110 according to the client feature information, and obtain the digital license unit 133.
  • the full-text digital signature of the new license file, synthesizing a new license file; the digital signature unit 133 is used to generate a full-text digital signature of the new license file.
  • the new license file generating module 130 is to include only the client feature information analyzing unit 131 and the new license file synthesizing unit 132.
  • the new license file synthesizing unit 132 may not filter the original license file, directly use the original license file corresponding to the 4 bar as a new license file, or directly copy the original license file as a new license file;
  • the unit 132 may also not perform full-text digital signature on the new license file; the new license file synthesizing unit 132 may not put the public information segment into the new license file, and the new license file only includes the product feature information segment.
  • the present invention can centrally manage a large number of license files in the license server, and automatically distribute the license files according to the request of the client, the client
  • the license file name does not need to be known
  • the automatic management of the license file is realized, the human error is avoided, and the maintenance cost is greatly reduced.
  • the license file is transmitted between the license server and the client.
  • the license file itself has high security and greatly reduces the possibility of leaks in network transmission.
  • the original license file can be filtered, only the information segments related to the requested client are extracted and formed into a new license file, thereby reducing redundant data transmitted by the network and improving the data. effectiveness.
  • related information can also be forwarded through a simple license file relay device, which increases the flexibility of client deployment.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Storage Device Security (AREA)

Abstract

Procédé de gestion de licence selon les étapes suivantes : réception par un serveur de licence d'une demande de licence de la part d'un client (510) ; production par ce serveur d'un nouveau fichier de licence selon ladite demande (520) ; transmission par ce serveur du nouveau fichier au client (530). Egalement, système de gestion de licence et serveur de licence. Ainsi, il est possible de gérer automatiquement plusieurs licences, et les avantages sont nombreux, à savoir par exemple : sécurité satisfaisante, efficacité élevée, etc. En règle générale, la fiabilité est totale.
PCT/CN2006/002280 2006-01-05 2006-09-04 Procede, systeme et dispositif de gestion de licence WO2007076665A1 (fr)

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CNA2006100327540A CN1874218A (zh) 2006-01-05 2006-01-05 一种许可证管理方法、系统及装置
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CN101321056B (zh) * 2007-06-06 2012-05-23 华为技术有限公司 转发许可的方法、设备及系统
CN101247400B (zh) * 2008-03-03 2011-02-02 华为技术有限公司 许可证控制方法及管理装置
CN101286987B (zh) * 2008-03-27 2012-11-28 北京深思洛克软件技术股份有限公司 一种转移软件授权许可的方法
CN101355447B (zh) * 2008-08-20 2012-03-07 中兴通讯股份有限公司 一种业务许可证管理方法
CN103152348B (zh) * 2009-12-10 2016-11-23 华为技术有限公司 许可控制的方法、设备和系统
CN101741833A (zh) * 2009-12-10 2010-06-16 华为技术有限公司 许可控制的方法、设备和系统
CN101945010B (zh) * 2010-09-19 2013-07-10 中国联合网络通信集团有限公司 业务许可的处理方法、设备和系统
CN103795694A (zh) * 2012-10-31 2014-05-14 中国电信股份有限公司 许可控制方法及系统
CN106131011B (zh) * 2016-07-07 2021-01-22 新华三技术有限公司 一种授权确认方法及装置
CN108304735A (zh) * 2017-12-28 2018-07-20 山东浪潮通软信息科技有限公司 一种授权序列号申请方法、系统及提货系统、应用服务器
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