WO2006021132A1 - Procede pour proteger des donnees informatiques - Google Patents
Procede pour proteger des donnees informatiques Download PDFInfo
- Publication number
- WO2006021132A1 WO2006021132A1 PCT/CN2005/000292 CN2005000292W WO2006021132A1 WO 2006021132 A1 WO2006021132 A1 WO 2006021132A1 CN 2005000292 W CN2005000292 W CN 2005000292W WO 2006021132 A1 WO2006021132 A1 WO 2006021132A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- program
- program module
- password
- operating system
- user
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/55—Detecting local intrusion or implementing counter-measures
- G06F21/554—Detecting local intrusion or implementing counter-measures involving event detection and direct action
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/55—Detecting local intrusion or implementing counter-measures
- G06F21/56—Computer malware detection or handling, e.g. anti-virus arrangements
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2127—Bluffing
Definitions
- the invention relates to a protection method, in particular to a computer data protection method. Background technique
- computers With the popularity of computers and advances in network technology, computers have become more relevant to the lives of today's people. For example, one can use a computer to record a wide variety of digital data, and even one can use a computer to pay to the machine to copy the same digital data on a digital recording medium.
- Firewall systems are used to filter information and control access, while antivirus programs are used to contain viruses from the network or its hackers.
- firewalls have so-called hardware firewalls and software firewalls, and whether they are hardware firewalls or software firewalls, the main thing is to provide system administrators to set some security conditions. Examples of these security conditions include filtering data packets from unrecognized addresses, or shutting down the transport ports used by certain transport protocols.
- these security conditions include filtering data packets from unrecognized addresses, or shutting down the transport ports used by certain transport protocols.
- the work done by today's firewalls is just to prevent the hackers from invading in the first phase. Once the hacker has passed the security conditions, the hacker can unscrupulously destroy or steal data.
- the most common way hackers use is big Repeat the test password to crack the security system. But today's firewalls are not able to detect hacker actions early and handle them appropriately. Once a hacker breaks the security system, all records that destroy or steal data are also eliminated by the hacker. Even if the hacker test password attempts to log in and record, the hacker has not yet taken further action and cannot take the legal path of response
- Another object of the present invention is to provide a data protection method that prevents computer viruses from interfering with the normal operation of the computer.
- a user who meets the security conditions is connected to the internal data system via the transit system. Unauthorized persons who do not meet the security conditions are transferred to the counter system.
- the counter system has the same virtual output format as the internal data system, at which point the unauthorized person mistakenly believes that it has invaded the internal number. According to the system, further actions are taken. At this time, the counter system can record and track the activities of unauthorized persons, and can also add tracking, Trojans, viruses, warning programs, etc. to the virtual and forged data of the counter system.
- a monitoring program that is, an antivirus program, is designed for an operating system.
- the monitor monitors multiple program modules of the operating system to determine if any system functions have changed.
- the initial setting of the system also includes providing the user with a set of passwords as a basis for having the right to change the system file.
- the monitoring program requests the user to input the group of passwords, and if the group of passwords is missing, the monitoring program blocks the The program module performs any additions and deletions.
- the transaction can be allowed to be carried out, and the transaction situation can be recorded as a basis for judging whether there is a legal transaction in the future.
- the monitoring program finds that the program module is unauthorized to change, the monitoring program deletes the transaction program module and loads a backup image of the program module to resume normal operation of the computer.
- a set of universal passwords is also provided in the monitorable program.
- the user uses the set of general passwords, they can perform certain functions without starting the password authorization step.
- the virus code can perform any program change by the detection of this monitor.
- Figure 1 shows a basic network structure
- Figure 2 shows a schematic diagram of an compromised software system.
- FIG 3 is an external schematic view of a preferred embodiment of the present invention.
- FIG. 4 is a flow chart showing the operation of a program in accordance with a preferred embodiment of the present invention.
- Figure 5 shows a schematic diagram of the screen asking the user to confirm the password.
- FIG. 6 is a diagram showing an outline of a protection system for preventing hackers from browsing stored data in accordance with a preferred embodiment of the present invention.
- Figure 7 is a flow chart showing the operation of a preferred embodiment of the present invention.
- the reference numerals are as follows
- FIG. 1 shows a basic network structure diagram.
- the user's data stored on the computer may be destroyed or stolen by the hacker 12 through the network 104.
- the hacker 12 can decode the password set by the user 10, it can browse the data stored by the user 10 on the computer via the network 104.
- the hacker 1 2 may also make a virus and distribute it via the network 104.
- the user "0" will load the file with the virus when using the network 104.
- these files with viruses are loaded back to the computer of the user 10, under certain conditions, such as when the infected file is executed or the macro program is executed, the program module of the operating system is further sneaked into the operating system program. Perform a destructive action.
- the present invention is directed to providing a system and method of protection against hacker attacks.
- the system and method of the present invention prevents the virus from attacking the user's computer.
- the software system of the computer includes a driver layer 300, an operating system layer 302, and an application layer 304. These three levels of different roles work, but work closely with each other to complete the work delivered by the user.
- the driver layer 300 is usually designed and developed by various hardware vendors, and the application layer 304 is generated for various applications of the user. As for the operating system layer 302, it is important between the application layer 304 and the driver layer 300. Bridges, by making program calls to the operating system layer 302, the designer of the application layer 304 does not have to deal with all the hardware details, but concentrates on designing the work to be done.
- the operating system layer 302 is usually composed of a plurality of program modules. For example, the most commonly used personal computer operating system today is the Microsoft operating system, which is composed of a large number of program modules, which are packaged into a series of system files, when the operating system The execution is loaded with memory according to its needs to perform related work.
- the computer virus code of the computer virus when executed, the computer virus code tampers with the program module of the operating system layer 302 to intercept or change the normal operation of the original program module. In short, the computer system is poisoned at this time.
- FIG. 3 is an external schematic diagram of a preferred embodiment of the present invention.
- a user installs an operating system 308 into computer 310.
- the user further installs the antivirus program 306 designed for this operating system 308 into the computer 310 as well.
- the antivirus program 306 designed for this operating system 308 into the computer 310 as well.
- Microsoft publishes the Windows 2000 operating system
- the user purchases an anti-virus program corresponding to the Windows 2000 operating system design. The following describes how this antivirus program 306 performs detection and antivirus work.
- 4 is a flow chart showing the operation of the antivirus program 306.
- the antivirus program 306 first records the image file of the program module of the operating system 302 (steps)
- the backup of the image file may be performed in advance according to the specific operating system 302, and another method is after the operating system 302 is installed, thereby the antivirus program 306 dynamically finds which files are used to store the operating system 302.
- Program modules such as searching with attached file names; and recording their image files in a compressed or uncompressed manner for these program modules.
- an additional function can be used to calculate the system file to obtain an index value. At this time, the index value can be compared, that is, whether the program module can be quickly performed. Any change.
- the anti-virus program 306 provides the user with one or more sets of passwords (step 404), which serves as the basis for verifying the user's rights to change the above-mentioned program modules.
- the input password program is also written in a programming language. In order to prevent the hacker from being cracked after the program is online, the password protection mechanism is ineffective. Therefore, the present invention uses a special encoding mechanism after the input password program is online.
- the source code portion is encoded to prevent the core program code from being cracked by hackers.
- the invention performs a group translation of the program, allowing the hacker to perform the reverse group translation, and the error occurs when the original code is cracked, thereby further improving the ability of the present invention to prevent hacker intrusion.
- the original code of the setting password program can be firstly recombined, converted into another programming language, and then compiled by the compiler of the programming language. .
- the antivirus program 306 displays a prompt window to request the user to input a password as a confirmation (step 408).
- the anti-virus program 306 needs to have a resident part responsible for intercepting the job of changing the program module.
- One way to do this is to have the anti-virus program 306 intercept the operating system's file operation interface, for example, The Windows operating system performs an interception action on the API interface of the file operation, and checks whether the transaction file is a system file in which the program module is stored in the record.
- the antivirus program 306 rejects the change of the program module (step 412). Conversely, the anti-virus program 306 allows the program module to be changed (step 414). In addition, the anti-virus program 306 updates its database and stores the new program module data as legal reference data.
- the antivirus program 306 In addition to the action of password verification for the change of the interceptable program module, the antivirus program 306 also monitors the program module each time it is turned on or periodically (step 416) to ascertain whether there is an unauthorized addition or deletion. Occurs (step 418). If any unauthorized program module is found to have changed, it is determined that the program module is poisoned, the program module is deleted, and the image of the program module is loaded back from the database to restore the normal operation of the system.
- the user's password can also be used as a computer identification number. It is easy to say that when the computer is connected to the network, the user password can be used to know which computer is connected to the network. However, in order to avoid both computers using the same user password as the computer identification number (identification number, ID), the above-mentioned situation can be avoided by arranging the identification number of each computer in advance, and thus each computer can have a specific identification number. When each computer has its own specific identification number, it can know the computer connected to the network based on this number.
- Such a method of pre-arranging the identification number of each computer can be applied to any computer system to prevent hacker attacks.
- FIG. 6 it is a hacker prevention according to a preferred embodiment of the present invention.
- the protection system of the present invention has a switching system 101, an internal data system 102, and a counter system 103.
- the switching system 101 is connected to an external network 104, an internal data system 102, and a counter system 103, respectively.
- a predetermined identification number (user password) is assigned to each computer.
- Figure 7 is a flow chart showing the operation according to a preferred embodiment of the present invention. Please refer to Figures 6 and 7 for cross-reference.
- the user 107 uses an electronic device 106, such as a computer, to connect a user request 05 to the transit system 101 via the external network 104 (step 200).
- the transfer system 101 transfers the user request 105 to the internal data system 102 (step 204) to continue processing.
- the implementation of the transit system 101 includes a TP sharer, a hardware firewall, or a software firewall or other device with communication protocol forwarding capabilities, and embodiments of the internal data system 102 include various types of web server, file server, etc.
- a data-providing type of machine is required to provide data.
- the transfer system 101 does not directly reject the user request 105, but User request 105 is transferred to 'reverse system 103 (step 206).
- the counter system 103 upon receiving the user request 105, provides a predetermined response content in response to the user request 105 in a predetermined response manner (step 208).
- the response content is deliberately adjusted such that the response content has the same format as the response data provided when the internal data system 102 received the user request 105.
- the counter system 103 provides an interface similar to the response data of the internal data system 102 in accordance with the user request 105, the unauthorized user 107 may mistakenly believe that the internal data system 102 has been successfully invaded. If the unauthorized user 107 continues further data theft or destruction, the counter system 103 continues to record its illegal actions and generates various response measures, such as alarming, counter-detecting the relevant data of the user 107, Such as the identification of the electronic device 106 The number (ID), record further actions of the user 107, and the like. Of course, the counter system 103 can also begin recording its actions when the unauthorized person 107 attempts to log in.
- each computer since each computer has a specific identification number (or user password), an unauthorized user 107 can use the identification number to track.
- an unauthorized user 107 uses a public computer to connect to the network, since each computer has a specific identification number, the administrator of the public computer in order to avoid illegal behavior by the illegal user. Therefore, identifying the certification number and being tracked and implicated in the imprisonment will indirectly force it to strengthen the supervision of user usage. Therefore, the present invention can improve the management security of the network.
- the present embodiment since important data such as confidential data is stored in the internal data system 102 instead of the counter system 103, the present embodiment can successfully detect further actions of the unauthorized user 107, And performing various counter actions without exposing the internal data system 102 with important data to danger. With this approach, we offer an important way to address network security.
- the counter system 103 described above may be coupled to the interfacing system 101 and the internal data system 102 separately or simultaneously.
- the switching system 101 can be coupled to the counter system 103, internal data system 102, separately or simultaneously.
- the internal data system 102 can also be coupled to the transit system 101, the counter system 103, separately or simultaneously.
- connections between the switching system 101 and the counter system 103, the internal data system 102, and the external network 104 include wired, wireless, direct or indirect connections.
- embodiments of the external network 104 include the Internet, an intranet, a Wireless Network, a Telecommunication Network, and the like.
- the types of user requirements 105 include File Transfer Protocol request (FTP) in the form of an Internet Protocol, Hypertext Transfer Protocol (HTTP), and network neighboring (network neighboring). ) and its similars.
- FTP File Transfer Protocol request
- HTTP Hypertext Transfer Protocol
- network neighboring network neighboring
- Example switching system 101 comprises hardware and software in the form of a firewall (Fi re wall), IP sharing and the like.
- Embodiments of the internal data system 102 include a Web Site, a File Server, a Database Server, a personal computer, and the like.
- Embodiments of the electronic device 106 that issue user requirements include a personal computer, a personal digital assistant (PDA), a cell phone, a worker Station and so on.
- PDA personal digital assistant
- the foregoing embodiment of the predetermined security condition includes a password error retry action when the user requests more than a predetermined number of times, and an identification code of the machine 106 issued by the user.
- the predetermined security condition also sets the command or instruction content that the user can request to carry the content. For example, in the embodiment of the website service system, the system administrator can set only a part of the command or instruction service, instead of providing all The contents of the HTTP command.
- the predetermined response manner of the aforementioned counter system 103 is set by a system administrator or directly set in the counter system 103.
- the manner in which the counter system 103 is scheduled to respond may also include recording, after the user 107 receives the response content of the counter system 103, the action that the user 107 continues to perform on the counter system 103. Possible actions by the user 107 include stealing or destroying the data of the counter system 103. In this way, the corresponding legal action can be performed on the user 107 through these actions.
- the response of the counter system 103 may also include tracking data related to the user 107, such as the address of the machine 106 in which it is used.
- the response content provided by the counter system 103 can be set to virtual data similar to the internal server 102, and the virtual data does not leak confidentiality, and there is no security. Even the anti-tracking program can be included in this response to track the relevant data of this user 107. Of course, this response can also include Trojans. This trojan program can be executed on the machine used by the user 107.
- the management system is externally connected to the switching system 101, and the system administrator can manage the number of connections by using the management interface, for example, the system administrator can manage the network.
- the interface is used to set the maximum number of times that can be connected in a unit of time. For those exceeding this number, the request is directly returned without being processed by the counter system.
- the present invention also provides a monitoring mechanism for the authorized person, because each computer of the present invention has a specific identification number, and therefore, the management interface of the present invention can be authenticated by the identification number. Set the bandwidth that each computer can use in a unit time. Once the set bandwidth is exceeded, even if it is already authorized, it will directly return its request without being processed by the counter system. In other words, the system can further control the bandwidth usage, and directly cut off the connection for users who exceed a certain bandwidth usage, thus avoiding hackers smashing the system through a large amount of spam.
- the present invention also provides a method and system for preventing reproduction of a digital recording medium.
- a virus that can destroy the copy function in the computer system is scattered in the digital data and is placed in the track of the digital recording medium.
- digital data stored in digital recording media A virus that can corrupt the replication function in a computer system.
- the monitor program asks the user to enter the set user password. If the entered user password is incorrect, this monitor will not change any program modules. In other words, the virus loaded into the computer via the digital recording medium will be prohibited from performing the tampering action of any program module under the operation of the monitoring program, and therefore, the copy function of the computer system can still operate normally.
- an additional universal password is set in each computer system.
- the main function of this universal password is to make certain computer-specific functions still operate under the startup of the monitoring program. It is easy to say that these specific functions carry the universal password so that it can pass the monitoring program. Monitor and perform these setting functions.
- the computer virus that can damage the computer system copy function carries the universal password. Once the virus is loaded into the computer via the digital recording medium, since the poison has the universal password, it can be monitored by the monitoring program. The startup of the virus operation destroys the computer copy function, causing the computer to fail to reproduce the digital recording medium.
- the virus with a common password can be spread over the counter system 103 in Fig. 6.
- the hacker illegally enters the user's computer via the network and is directed to the counter system 103 via the protection system of the present invention
- the virus containing the universal password is loaded into the hacker's computer system, damaging the browsing function.
- the computer of the hacker is equipped with the monitoring program of the present invention, since the loaded virus has a universal password, it can still destroy the black aspect when the monitoring program is started, because each computer has its specific Identification number (user password). Therefore, for hackers, it is necessary to decode the identification number of each computer to spread the computer virus widely. If only part of the computer is decoded, the spread of the virus will be extremely limited. Therefore, the method of the present invention can also limit the spread of computer viruses.
- a predetermined identification number is assigned to each computer, and with this identification number, the computer system can track the invading hacker by means of the counter system of the present invention.
- the transfer system of the present invention directs the hacker to a counter system to view the erroneous data and track the identification number of the computer used by the hacker. . Because the identification number of each computer is different, it is easy to know the location of the hacker.
- the present invention also provides a monitoring program that records image data of a program module of an operating system and initially sets a set of passwords by a user. During the operation of the computer, if any program module changes, the monitoring program requests the user for the group password as the verification. If the password is wrong, the action of changing the program module is refused. In addition, the monitoring program periodically checks the program modules to see if unauthorized changes have occurred. If an unauthorized transaction occurs, the infected program module is deleted and the previously backed up program module is loaded to quickly restore the normal operation of the computer.
- the present invention also provides a universal password that allows certain functions to carry the universal password, and can be monitored by the monitoring program to destroy specific functions.
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Bioethics (AREA)
- Virology (AREA)
- Storage Device Security (AREA)
- Computer And Data Communications (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05714823A EP1811380A4 (en) | 2004-08-21 | 2005-03-10 | PROCEDURE FOR THE PROTECTION OF THE COMPUTER DATA |
| CA002619653A CA2619653A1 (en) | 2004-08-21 | 2005-03-10 | Computer data protecting method |
| JP2007526168A JP4638494B2 (ja) | 2004-08-21 | 2005-03-10 | コンピュータのデータ保護方法 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/923,921 US20060041940A1 (en) | 2004-08-21 | 2004-08-21 | Computer data protecting method |
| US10/923,921 | 2004-08-21 | ||
| US11/053,231 US8060933B2 (en) | 2004-08-21 | 2005-02-09 | Computer data protecting method |
| US11/053,231 | 2005-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006021132A1 true WO2006021132A1 (fr) | 2006-03-02 |
Family
ID=35967153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2005/000292 Ceased WO2006021132A1 (fr) | 2004-08-21 | 2005-03-10 | Procede pour proteger des donnees informatiques |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1811380A4 (zh) |
| JP (1) | JP4638494B2 (zh) |
| CA (1) | CA2619653A1 (zh) |
| TW (1) | TWI263168B (zh) |
| WO (1) | WO2006021132A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007318731A (ja) * | 2006-04-26 | 2007-12-06 | Ricoh Co Ltd | 複数のモジュール構成情報を管理できる画像形成装置 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI465954B (zh) * | 2008-07-29 | 2014-12-21 | Wei Shuo Lin | 一種電子裝置結合自動防衛模組之方法 |
| CN105373734A (zh) * | 2014-09-01 | 2016-03-02 | 中兴通讯股份有限公司 | 应用数据的保护方法及装置 |
| KR102948862B1 (ko) * | 2025-06-23 | 2026-04-07 | 한화시스템 주식회사 | 보안 제약 환경에서의 함정 내 장비의 정비를 지원하기 위한 함정 정비 지원 시스템 및 방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001092981A2 (en) * | 2000-05-28 | 2001-12-06 | Yaron Mayer | System and method for comprehensive general generic protection for computers against malicious programs that may steal information and/or cause damages |
| CN1394041A (zh) * | 2001-06-26 | 2003-01-29 | 华为技术有限公司 | 一种因特网服务提供者安全防护的实现方法 |
| CN1475913A (zh) * | 2003-06-30 | 2004-02-18 | 北京格泰生物科技有限公司 | 一种用于计算机数据存储和传输的安全系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63148358A (ja) * | 1986-12-12 | 1988-06-21 | Canon Inc | プロテクト装置 |
| JP4174692B2 (ja) * | 1998-03-06 | 2008-11-05 | 新日鉄ソリューションズ株式会社 | コンピュータシステム、およびその管理方法、記録媒体 |
| US7194625B2 (en) * | 2001-06-19 | 2007-03-20 | Intel Corporation | Method and apparatus for authenticating registry information |
-
2005
- 2005-03-10 JP JP2007526168A patent/JP4638494B2/ja not_active Expired - Fee Related
- 2005-03-10 WO PCT/CN2005/000292 patent/WO2006021132A1/zh not_active Ceased
- 2005-03-10 EP EP05714823A patent/EP1811380A4/en not_active Ceased
- 2005-03-10 CA CA002619653A patent/CA2619653A1/en not_active Abandoned
- 2005-05-12 TW TW94115426A patent/TWI263168B/zh not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001092981A2 (en) * | 2000-05-28 | 2001-12-06 | Yaron Mayer | System and method for comprehensive general generic protection for computers against malicious programs that may steal information and/or cause damages |
| CN1394041A (zh) * | 2001-06-26 | 2003-01-29 | 华为技术有限公司 | 一种因特网服务提供者安全防护的实现方法 |
| CN1475913A (zh) * | 2003-06-30 | 2004-02-18 | 北京格泰生物科技有限公司 | 一种用于计算机数据存储和传输的安全系统 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007318731A (ja) * | 2006-04-26 | 2007-12-06 | Ricoh Co Ltd | 複数のモジュール構成情報を管理できる画像形成装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2619653A1 (en) | 2006-03-02 |
| TW200622887A (en) | 2006-07-01 |
| JP4638494B2 (ja) | 2011-02-23 |
| TWI263168B (en) | 2006-10-01 |
| JP2008511046A (ja) | 2008-04-10 |
| EP1811380A4 (en) | 2010-11-03 |
| EP1811380A1 (en) | 2007-07-25 |
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