KR101054079B1 - Upgrade System and Method of Terminal Software Used in Home Network Service - Google Patents

Abstract

The present invention relates to a system and method for upgrading terminal software used for home network services. According to the present invention, when the software of the terminal is automatically upgraded remotely, the integrated software version management selectively transmits the required unit software list. In this way, the network load and processing time can be reduced, and since the software installation state of the terminal can be known only by the integrated version of the software installed in the terminal, the upgrade operation can be efficiently processed.

Home Network Services, Software, Upgrades

Description

Upgrade system and method of terminal software used for home network service {THE SOFTWARE UPGRADE SYSTEM AND METHOD FOR HOME NETWORKING SERVICE}

1 is a structural diagram of a software upgrade system according to an embodiment of the present invention.

2 is a software upgrade system functional module according to an embodiment of the present invention

3 is a diagram illustrating a software upgrade sequence according to an embodiment of the present invention.

4 is a structural diagram of an integrated software information table according to an embodiment of the present invention.

5 is a diagram illustrating a unit file list of integrated software according to an embodiment of the present invention.

6 is a configuration diagram of a software package according to an embodiment of the present invention.

The present invention relates to a home network service, and more particularly, to a method and system for upgrading software installed in a terminal used for a home network service.                         

Home network service is a service that allows one or more network devices in a home to be interconnected and simultaneously connected to an external network to provide various application services.

According to the current home network service technology, services are provided mainly in a personal computer (PC) in the home. Therefore, install the patch file related to the operating system (OS) of each PC, or access the respective service site to download and install the associated upgrade file manually. In other words, since the PC uses a consistent terminal, the software distribution structure has a simple form, and the software (S / W) upgrade for a specific terminal is also installed manually or operates a special type of upgrade system that distributes the software only to the terminal. .

On the other hand, in the home network service, various information / entertainment / communication / home appliances can be connected to a network to receive various services, and technology and contents are changed very quickly. Therefore, it is necessary to frequently upgrade the software installed in various devices installed in the home.

However, in order to install the software for each device, a system structure that can integrate and manage a number of tasks is required in order to remotely identify and automatically distribute terminals without dispatching workers. What is needed is an effective way to manage change. In addition, due to the nature of home network services, the devices in the home are controlled through the external network. When the software is upgraded automatically when a software upgrade occurs through the distribution system, unauthorized information is installed to hack the stored information or system operation error. There is a problem that is exposed to security threats that can cause it.

Therefore, the present invention is to provide a system and method for efficiently upgrading the software of the terminal through the integrated software version management of the terminal.

Another object of the present invention is to provide a system and method for verifying the identity of a server providing software to a terminal and verifying the integrity of a package.

The system for upgrading the software of the terminal used in the home network service according to the characteristics of the present invention for solving this problem,

A management server that manages registration, testing, and distribution of the software and manages interaction between the terminal and the system; A distribution server which communicates with the terminal and determines whether to upgrade the unit software through the final integrated version of the software installed in the terminal and notifies the terminal of the result; And a file server configured to package the software that needs to be upgraded according to a request of the terminal and transmit the package to the terminal.

The terminal,

An agent module communicating with the distribution server and a file server to download and install the software;

The distribution server,

Comparing the final integrated version of the software installed on the terminal and the final integrated version of the software stored in the file server and if the two integrated versions are inconsistent, it is determined that the reason for the upgrade occurred,

With respect to the terminal in which the reason for the upgrade has occurred, the version change of the unit software list is checked, and the unit software list requiring the upgrade is prepared and transmitted to the terminal.

In addition, the file server,

The header information of the software package is hashed by a message digest method using a secret key and transmitted to the terminal.

The identity of the file server is verified by comparing the hash value generated by the file server's public key and the integrity of the software package is verified.

Method for upgrading the software of the terminal used for home network services according to an aspect of the present invention,

a) receiving integrated version number information of software installed in the terminal from the terminal and determining whether to upgrade the software of the terminal; b) if it is determined that the upgrade is necessary, checking whether the unit software is upgraded, preparing a list of unit software requiring upgrade, and transmitting it to the terminal; And c) transmitting a software package for each of the unit software lists to be upgraded to the terminal at the request of the terminal.

Step a) is

Comparing the integrated version number of the software installed in the terminal and the integrated version information of the latest software stored in the server and determines that an upgrade is necessary when the two versions are inconsistent,

B),

The unit software to be upgraded is selected by comparing the integrated version number of the software installed in the terminal with the unit software list corresponding to each of the integrated version information of the latest software stored in the server.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention. Like parts are designated by like reference numerals throughout the specification.

First, a software upgrade system for a home network service according to an embodiment of the present invention will be described in detail with reference to FIG. 1.

1 is a diagram illustrating a configuration of a software upgrade system for home network service according to an embodiment of the present invention.                     

As shown in FIG. 1, a software upgrade system for home network service according to an embodiment of the present invention includes a management server 110, a distribution server 120, a file server 130, and a terminal 140.

In the central node, the management server 110 that manages the entire distribution-related work, and the distribution server 120 in charge of software distribution by communicating with the devices in the remote home, the software package to be distributed in each region or central File server 130 for transmitting a file through the authentication is installed in the terminal 140 requesting the.

The management server 110 manages operations for overall system operation, including distribution management, software registration, software testing, and the like. The distribution server 120 is responsible for the interaction between all terminals 140 and the system, and is responsible for the authentication and distribution of the terminal 140 for software distribution by communicating with the terminal 130 installed in each home. In addition, the file server 130 is a module that provides a software package requested by the terminal 140 and is in charge of a delivery session. One or more files are distributed to minimize the network and system load.

In addition, a service terminal 140 may be installed in each home of a subscriber subscribed to a home network service to receive a service. In this case, the terminal 140 refers to a device using a service connected to a home / external network, and includes a home gateway, a set-top box, a video phone, and an information appliance. In the terminal 140, an agent module 141 is installed to communicate with the distribution server 120 and the file server 130 to check and install the latest software. That is, the agent module 141 communicates with the distribution server 120 and the file server 130 in the terminal 140 to download and install the software, and is responsible for reporting the work status to each server at each progress step. do.

The servers constituting the software upgrade system according to the embodiment of the present invention refer to logical software modules, and may be installed and executed on one or more physical server hardware.

In addition, the software upgrade system according to an embodiment of the present invention is connected to the central management server 110, a number of workers connected to perform the work related to the software distribution work is connected, representative workers as the distribution manager 151, software registrant 152, software tester 153, and simple query 154.

2 is a diagram illustrating a software upgrade system according to an embodiment of the present invention as a functional module.

As shown in Figure 2, the software upgrade system according to an embodiment of the present invention is a software registration module 210, a terminal management module 220, a software packaging module 230, a software test module 240, software distribution management Module 250, log and statistics module 260, and user management module 270.

The terminal management module 220 is responsible for registering and managing a terminal 140 such as a home gateway or an application service terminal to manage software through a distribution system.

The software registration management module 210 functions to register a new software and a software registration company management function to register the software only in a company authorized to register the software. When registering new software, the terminal 140 on which the software should be installed is selected from the device list.

The software packaging module 230 changes the registered software to a state in which it can be distributed to the terminal 140 including a header having integrated version information and information of an installation target terminal code.

The software test module 240 and the software distribution management module 250 are in charge of processing a series of tasks related to registration software testing and distribution.

The log and statistics module 260 provides a function for checking the upgrade history of the terminal 140 and a task executed in the system, and the user management module 270 is responsible for registering and deleting a system administrator. .

Software upgrade method according to the software upgrade system according to an embodiment of the present invention having such a configuration unit by comparing the integrated software version name while maintaining the integrated software version and unit software table according to the type of terminal through the management server 110 Selectively download and install only files that need to be upgraded from the software list.

Hereinafter, a software upgrade method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

3 shows a flow of a software upgrade method according to an embodiment of the present invention.

As shown in FIG. 1, the upgrade system according to an embodiment of the present invention includes a server module of the management server 110, a distribution server 120, and a file server 130 and a terminal 140 that is a software management target. Of these, the management server 110 manages the overall work flow and interacts with the terminal 140 determines whether the software upgrade, and authenticate the terminal 140, and transmitting the file package is the distribution server ( 120 and the file server 130.

In order to upgrade the software of the terminal 140, first, the terminal 140 installed in the home is integrated with the model code of the terminal 140, IP, and installed in the terminal to inquire whether the distribution server 120 knows whether to upgrade or not. The query including the version number is sent (S310). Alternatively, the distribution server 120 may be set to upgrade the software by transmitting a signal to the designated terminal 140.

Next, the distribution server 120 according to the request received from the terminal 140, the integrated version of the software installed on the terminal for the model code of the terminal 140 and the final integrated version of the software of the terminal registered in the distribution server 120 Compare.

At this time, if the integrated version registered in the distribution server 120 and the integrated version of the software installed in the terminal 140 is the same, it is determined that the reason for the upgrade does not occur, and the integrated version of the distribution server 120 and the terminal 140 If there is a mismatch, the reason for the upgrade is considered.

In this case, when the reason for the upgrade occurs, the distribution server 120 determines whether the version is changed with respect to the integrated version of the software delivered from the terminal 140 and the unit software list belonging to the latest integrated version of the software registered in the distribution server 120. According to the inspection result, a list of unit software packages requiring upgrade is prepared and notified to the terminal 140 (S330). At this time, the distribution server 120 transmits the file server address to be used together with the list of upgrade target unit software.

Next, the terminal 140 requests a list of necessary packages by accessing the file server 130 providing the corresponding software according to the result of receiving the software upgrade list (S340). Then, the file server 130 transmits the requested package list to the terminal 140, and the terminal 140 receives the downloaded package, verifies the validity of the package, and installs the package (S360).

Finally, the terminal 140 transmits the processing result of the download, validation, and installation work to the distribution server 120 and ends the upgrade work (S370).

4 illustrates an example of the integrated software information table of the terminal 140 managed by the software upgrade system according to an exemplary embodiment of the present invention, and FIG. 5 illustrates a terminal 140 managed by the integrated software illustrated in FIG. 4. An example of a unit software list record is shown.

As shown in FIG. 4, the integrated software information table of the terminal 140 is installed in the integrated software serial number field 410, the terminal code field 420 in which the unique code information of the terminal 140 is stored, and the terminal 140. A final version field 430 in which the last version information of the software is stored, and a registration date field 440 in which date information in which the final version of the software installed in the terminal is registered are stored.

As described above, the software package according to the embodiment of the present invention is managed according to the type of the registered terminal 140, and a version is assigned to the integrated software so that each terminal 140 can check the latest software registration status.

In addition, the integrated software consists of a set of unit files 510 as shown in FIG. 5, and each unit file has its own file version 520.

On the other hand, in the home network service, security is one of important considerations because it can manage and control the devices installed in the home. In particular, since the software to be installed in the terminal 140 affects the overall service, the security element of the software to be upgraded must be checked. Therefore, according to the software upgrade method according to an embodiment of the present invention, the terminal 140 and the server 120, 130 by applying a SSL (Secure Socket Layer) session to the communication channel created for the software upgrade to the message information Use protection techniques. That is, the package of the unit software is packaged into an integrated software package, and thus the integrity of the package is guaranteed by encrypting and providing a header file including the package information in the process of packaging.

6 illustrates an example of a configuration of a software package in which a unit software file can be distributed.

As shown in FIG. 6, each software package includes a message digest algorithm 5 (MD5) 610, a header 620, and a payload 630.

The hash value of the header 620 is stored in the MD5 610, and the file data is stored in the payload 630. The header 620 also includes a unified version number 621, a file name 622 and a file version 623 fields. At this time, the header information is hashed by the message digest method and transmitted to the terminal 140 using the private key of the file server 130 according to the public key method, and the terminal 140 discloses the file server 130. By comparing the hash value generated by the key, the identity of the file server 130 and the integrity verification of the software package are simultaneously performed.

Although the preferred embodiment of the present invention has been described in detail above, the present invention is not limited thereto, and various other changes and modifications are possible.

As described above, according to the terminal upgrade system and method of the home network service according to the present invention, when the software of the terminal is automatically upgraded remotely, the network load and processing time can be shortened by selectively transmitting the required unit software list through integrated software version management. can do.

In addition, since only the integrated version of the software installed in the terminal can know the software installation state of the terminal can be efficiently processed upgrade.

In addition, since message digest is added to the header of the software package to be installed in the terminal, it is possible to verify the identity of the server and verify the integrity of the package, thereby providing a stable service.

Claims (14)

In the system for upgrading the software of the terminal used for home network service, A management server that manages registration, testing, and distribution of the software and manages interaction between the terminal and the system; A distribution server which communicates with the terminal and determines whether to upgrade the unit software through the final integrated version of the software installed in the terminal and notifies the terminal of the result; And A file server configured to package the software to be upgraded according to a request of the terminal, and encrypting a header file including package information and transmitting the same to the terminal in the process of packaging the software; And a terminal receiving the package verifies the identity of the file server and verifies the integrity of the software package using encryption information of the header file of the software package. The method of claim 1, The terminal, And an agent module for downloading and installing the software by communicating with the distribution server and file server. Software upgrade system of home network service terminal. The method of claim 1, The distribution server, Comparing the final integrated version of the software installed on the terminal and the final integrated version of the software stored in the file server and if the two integrated versions are inconsistent and determines that the reason for the upgrade occurred Software upgrade system of home network service terminal. The method of claim 3, wherein The distribution server, The terminal for which the reason for the upgrade has occurred, checks the version change of the unit software list, prepares and transmits the unit software list requiring the upgrade to the terminal. Software upgrade system of home network service terminal. 5. The method of claim 4, The distribution server, Transmitting the address of the file server providing the unit software to the terminal together with the unit software list. Software upgrade system of home network service terminal. The method of claim 1, The file server, The header information of the software package is hashed by a message digest method using a secret key and transmitted to the terminal. Software upgrade system of home network service terminal. The method of claim 6, The terminal, Verifying the identity of the file server and verifying the integrity of the software package by comparing the hash value generated by the file server public key. Software upgrade system of home network service terminal. 7. The method according to claim 1 or 6, The header of the software package includes integrated version information of the software and code information of a terminal on which the software is to be installed. Software upgrade system of home network service terminal. In the method of upgrading the software of the terminal used for home network services, a) a distribution server communicating with the terminal, receiving integrated version number information of software installed in the terminal from the terminal, and determining whether to upgrade the software for the terminal; b) when the distribution server determines that the software upgrade is necessary, checking whether the unit software is upgraded, and preparing a list of unit software requiring upgrade, and transmitting it to the terminal; And c) the file server generates a software package for each of the unit software lists to be upgraded at the request of the terminal, and encrypts the header file including the information of the software package when generating the software package. Transmitting the software package to the terminal, wherein the terminal receiving the software package from the file server verifies the identity of the file server and verifies the integrity of the software package using encryption information of the header file of the software package. How to upgrade software on your home network service terminal. 10. The method of claim 9, Step a) is Comparing the integrated version number of the software installed in the terminal and the integrated version information of the latest software stored in the distribution server and determines that an upgrade is necessary when the two versions are inconsistent How to upgrade the software of your home network service terminal. 10. The method of claim 9, B), Selecting the unit software that needs to be upgraded by comparing the integrated version number of the software installed in the terminal and the unit software list corresponding to each of the integrated version information of the latest software stored in the distribution server How to upgrade the software of your home network service terminal. 10. The method of claim 9, B), Sending the address of the server to download the unit software to the terminal with the unit software list How to upgrade the software of your home network service terminal. 10. The method of claim 9, C), The header information of the software package is hashed by a message digest method using a secret key and transmitted to the terminal. How to upgrade the software of your home network service terminal. The method of claim 13, After step c), The terminal checks the identity of the file server by comparing the hash value generated by the public key of the file server, verifies the integrity of the software package, and downloads and installs the received unit software. How to upgrade the software of your home network service terminal.

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