CN2938239Y - Dynamic cipher providing system and dynamic cipher providing equipment - Google Patents
Dynamic cipher providing system and dynamic cipher providing equipment Download PDFInfo
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- CN2938239Y CN2938239Y CN 200620124699 CN200620124699U CN2938239Y CN 2938239 Y CN2938239 Y CN 2938239Y CN 200620124699 CN200620124699 CN 200620124699 CN 200620124699 U CN200620124699 U CN 200620124699U CN 2938239 Y CN2938239 Y CN 2938239Y
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- dynamic password
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Abstract
The utility model discloses a dynamic code providing system and a dynamic code providing device. The dynamic code providing device comprises an interface unit and a dynamic code output unit, an electronic signature functional unit and a dynamic code generation unit; the interface and the electronic signature application unit are provided in a computer; the interface unit sends a connection signal to the electronic signature application unit which sends a dynamic code generation directive to the dynamic code generation unit through the interface unit, the interface and the dynamic code output unit, and the electronic signature function unit; the dynamic code generation unit gets the dynamic code generation directive to generate a dynamic code and sends the dynamic code to the interface unit and the dynamic code output unit to output the dynamic code. With the help of the utility model, the user only need to connect the dynamic code providing device with the computer to get the dynamic code, and the utility model brings the user a great convenience.
Description
Technical field
The utility model relates to the financial service field, and particularly relating to a kind of dynamic password provides system and dynamic password that equipment is provided.
Background technology
At present, in the process of exchange of user and bank, the user must input correct password, and bank just can be for the user provides various services, such as, account transfer and transaction payment etc.Usually, the password of user's input is its account's an intrinsic password, and inputs the security that intrinsic password can reduce transaction.Such as, as user during at bank transaction, the intrinsic password of user's input is easy to be stolen by mode such as stealing a glance at by rogue attacks person, thereby has reduced the security of transaction.For another example, when the user carries out online transaction by the internet, the payment that the bank account of direct use oneself is concluded the business on the net, perhaps, by own account's on-line banking function, to transfer accounts and account inquiry etc. when professional, the intrinsic password of user's input must send bank to by the internet, like this, rogue attacks person also is easy to steal by modes such as network attacks user's intrinsic password.
For the intrinsic password that prevents the user stolen, increase the security of transaction, at present, adopted the mode of dynamic password to conclude the business, that is to say, when concluding the business each time, the user does not input own account's intrinsic password, but the dynamic password that each transaction of input banking recognition all can change.
When adopting the dynamic password mode to conclude the business, the user must obtain the dynamic password of each transaction.In the prior art, provide the process of dynamic password mainly to comprise to the user: bank's side sets in advance out dynamic password, set dynamic password is kept in a password list or the card, and the user gets this password list or card from bank's side, and obtains dynamic password from password list or card.
As seen, adopt prior art that the process of dynamic password is provided, the user must get password list or card from bank's side, just can obtain dynamic password, thereby finishes follow-up process of exchange.Like this, behind the dynamic password in the user has used the password list or blocked, for subsequent transaction, the user must get password list or the card of preserving new dynamic password to bank again, and, in case password list or card lose cause dynamic password to be lost after, the user also must get password list or the card of preserving new dynamic password to bank again, therefore, for obtaining dynamic password, the user brings great inconvenience.In addition, dynamic password is kept in password list or the card, causes dynamic password to be lost in case password list or card are lost, the dynamic password that then can make transaction use is revealed, thereby has reduced the security of transaction.
The utility model content
In view of this, fundamental purpose of the present utility model is to propose a kind of dynamic password system is provided, and another purpose of the present utility model is to propose a kind of dynamic password equipment is provided, and makes the user can obtain dynamic password easily.
In order to achieve the above object, the technical solution of the utility model is achieved in that
A kind of dynamic password provides system, this system comprises: dynamic password provides equipment and computing machine, wherein, dynamic password provides and comprises interface and dynamic password output unit, electronic signature functionality unit and dynamic password generation unit in the equipment, comprise interface unit and electronic signature applying unit in the computing machine
Interface unit is used for the connection signal is sent to the electronic signature applying unit, after receiving dynamic password generation indication, this dynamic password is generated indication be sent to interface and dynamic password output unit;
The electronic signature applying unit is used for dynamic password being generated indication being sent to interface unit after receiving the connection signal;
Interface and dynamic password output unit are used for this dynamic password being generated indication being sent to the electronic signature functionality unit after receiving dynamic password generation indication, after receiving dynamic password, export this dynamic password;
The electronic signature functionality unit is used for dynamic password being generated indication being sent to the dynamic password generation unit after receiving dynamic password generation indication;
The dynamic password generation unit is used for generating dynamic password after receiving dynamic password generation indication, and the dynamic password that is generated is sent to interface and dynamic password output unit.
Described electronic signature applying unit, be further used for when receiving the connection signal, will verify that indication is sent to interface unit, authenticates this transaction according to the signing messages that receives, after authentication is passed through, carry out the described dynamic password generation is indicated and be sent to interface unit;
Interface unit, the checking indication that is further used for receiving is sent to interface and dynamic password output unit, and the signing messages that receives is sent to the electronic signature applying unit;
Interface and dynamic password output unit, the checking indication that is further used for receiving is sent to the electronic signature functionality unit, and the signing messages that receives is sent to interface unit;
The electronic signature functionality unit is further used for after receiving checking indication, and the user's that preserved signing messages is sent to interface and dynamic password output unit.
Further comprise interactive unit in the described computing machine,
Described electronic signature applying unit, be further used for after receiving the connection signal, password is generated affirmation ask to be sent to interactive unit, after the dynamic password that receives user's input generates indication, carry out the described dynamic password generation is indicated and be sent to interface unit;
Interactive unit is used for receiving after password generate to confirm request, and the prompting user imports the indication that generates dynamic password, after the dynamic password that receives user's input generates indication, this indication is sent to the electronic signature applying unit.
Described interface and dynamic password output unit have playing function, after receiving dynamic password, this dynamic password are played to the user.
Further comprise interactive unit in the described computing machine, be used for after receiving dynamic password, this dynamic password is played to the user;
Described interface and dynamic password output unit after receiving dynamic password, are sent to interface unit with this dynamic password;
Interface unit after receiving dynamic password, is sent to interactive unit with this dynamic password.
Described interface and dynamic password output unit are sent to interface unit with this dynamic password after receiving dynamic password;
Interface unit after receiving dynamic password, is sent to the electronic signature applying unit with this dynamic password;
The electronic signature applying unit is used for after receiving dynamic password, this dynamic password is sent to the main process equipment of bank's side by the internet.
Described dynamic password generation unit is further used for the dynamic password that is generated is encrypted, and the dynamic password after encrypting is sent to the electronic signature applying unit by interface and dynamic password output unit and interface unit;
The electronic signature applying unit, be used for the dynamic password after receiving encryption after, the dynamic password after will encrypting by the internet is sent to the main process equipment of bank's side.
A kind of dynamic password provides equipment, and this equipment comprises: interface and dynamic password output unit, electronic signature functionality unit and dynamic password generation unit,
Interface and dynamic password output unit are used for this dynamic password being generated indication being sent to the electronic signature functionality unit receiving after dynamic password that outer computer sends generates indication, after receiving dynamic password, export this dynamic password;
The electronic signature functionality unit is used for dynamic password being generated indication being sent to the dynamic password generation unit after receiving dynamic password generation indication;
The dynamic password generation unit is used for generating dynamic password after receiving dynamic password generation indication, and the dynamic password that is generated is sent to interface and dynamic password output unit.
Described interface and dynamic password output unit, the checking indication that is further used for outer computer is sent is sent to the electronic signature functionality unit, and the signing messages that receives is sent to outside computing machine;
The electronic signature functionality unit is further used for after receiving checking indication, and the user's that preserved signing messages is sent to interface and dynamic password output unit.
Described interface and dynamic password output unit have playing function, after receiving dynamic password, this dynamic password are played to the user.
Described interface and dynamic password output unit are used for after receiving dynamic password, and this dynamic password is sent to outside computing machine.
Described dynamic password generation unit is used for the dynamic password that is generated is encrypted, and the dynamic password after encrypting is sent to interface and dynamic password output unit;
Interface and dynamic password output unit are used for the dynamic password after encrypting is sent to outside computing machine.
This shows, when the user need use dynamic password, the user provides equipment to link to each other with computing machine dynamic password, form dynamic password system is provided, just can generate dynamic password automatically, the dynamic password of this generation can directly offer the user or directly offer bank, to finish follow-up process of exchange.As seen, utilize the utility model, the user only needs to provide equipment to link to each other with computing machine dynamic password, just can obtain dynamic password, for the user brings great convenience.In addition, the dynamic password that the utility model generates can directly offer bank and carry out follow-up transaction, avoided losing dynamic password because the user neglects, and the shortcoming that the dynamic password that makes transaction use is revealed, thus improved the security of concluding the business.
Description of drawings
Fig. 1 is the basic structure synoptic diagram that dynamic password provides equipment in the utility model.
Fig. 2 A is the basic structure synoptic diagram that dynamic password provides system in the utility model.
Fig. 2 B is the synoptic diagram of optimizing structure that dynamic password provides system in the utility model.
Fig. 3 utilizes the utility model that the process flow diagram of dynamic password is provided.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Fig. 1 is the basic structure synoptic diagram that dynamic password provides equipment in the utility model.Referring to Fig. 1, in the utility model, dynamic password provides the inner structure of equipment to comprise: interface and dynamic password output unit, electronic signature functionality unit and dynamic password generation unit.
Fig. 2 A is the basic structure synoptic diagram that dynamic password provides system in the utility model.Referring to Fig. 2 A, in the utility model, provide in the system at dynamic password, comprise that not only above-mentioned dynamic password shown in Figure 1 provides equipment, but also comprise computing machine that the basic structure of this computer-internal comprises interface unit and electronic signature applying unit.Referring to Fig. 1 and Fig. 2 A,
Interface unit is used for the connection signal is sent to the electronic signature applying unit, after receiving dynamic password generation indication, this dynamic password is generated indication be sent to interface and dynamic password output unit;
The electronic signature applying unit is used for dynamic password being generated indication being sent to interface unit after receiving the connection signal;
Interface and dynamic password output unit are used for this dynamic password being generated indication being sent to the electronic signature functionality unit after receiving dynamic password generation indication, after receiving dynamic password, export this dynamic password;
The electronic signature functionality unit is used for dynamic password being generated indication being sent to the dynamic password generation unit after receiving dynamic password generation indication;
The dynamic password generation unit is used for generating dynamic password after receiving dynamic password generation indication, and the dynamic password that is generated is sent to interface and dynamic password output unit.
Fig. 2 B is the synoptic diagram of optimizing structure that dynamic password provides system in the utility model.Referring to Fig. 2 B, in order to guarantee that system of the present utility model can carry out alternately with the user, in the utility model, can further include interactive unit in the computing machine, like this, electronic signature applying unit in the computing machine then can confirm whether the user needs to obtain dynamic password by interactive unit, perhaps, also can the dynamic password that be obtained be offered the user by interactive unit.
Fig. 3 utilizes the utility model that the process flow diagram of dynamic password is provided.Referring to Fig. 1, Fig. 2 and Fig. 3, utilize function of the present utility model, provide the process of dynamic password may further comprise the steps:
Step 301: when the user need use dynamic password, the user provided equipment to link to each other with computing machine in the utility model dynamic password.
Here, the user provides interface in the equipment and dynamic password output unit to link to each other with interface unit in the computing machine dynamic password.
Step 302: in computing machine, interface unit will connect signal and be sent to the electronic signature applying unit.
Step 303: in computing machine, after the electronic signature applying unit receives and connects signal, will verify that indication is sent to interface unit.
Step 304: checking that the interface unit in the computing machine will receive indication is sent to dynamic password interface and dynamic password output unit in the equipment is provided.
Step 305: provide in the equipment at dynamic password, the checking indication that interface and dynamic password output unit will receive is sent to the electronic signature functionality unit.
Step 306: provide in the equipment at dynamic password, the electronic signature functionality unit is sent to interface and dynamic password output unit with the user's that preserved signing messages.
Step 307: interface and dynamic password output unit are sent to interface unit in the computing machine with the signing messages that receives.
Step 308: in computing machine, interface unit is sent to the electronic signature applying unit with the signing messages that receives.
Step 309: in computing machine, the electronic signature applying unit carries out legitimate verification according to the signing messages that receives to this transaction, after checking is passed through, password is generated the affirmation request be sent to interactive unit.
Step 310: in computing machine, after interactive unit received password generation affirmation request, the prompting user imported the indication that generates dynamic password.
Step 311: in computing machine, the dynamic password that interactive unit receives user's input generates indication, and this indication is sent to the electronic signature applying unit, and the electronic signature applying unit generates indication with dynamic password again and is sent to interface unit.
Step 312: interface unit generates indication with the dynamic password that receives and is sent to dynamic password interface and dynamic password output unit in the equipment are provided.
Step 313: interface and dynamic password output unit generate indication with the dynamic password that receives and are sent to the electronic signature functionality unit, and the electronic signature functionality unit generates indication with the dynamic password that receives again and is sent to the dynamic password generation unit.
Step 314: the dynamic password generation unit generates dynamic password, and the dynamic password that is generated is sent to interface and dynamic password output unit according to the dynamic cipher generating method of making an appointment with the bank side.
Here, the dynamic cipher generating method that dynamic password generation unit and bank's side are made an appointment can be: utilize specific arithmetic expression to add that fundamental element " Seed " generates dynamic password, this fundamental element " Seed " is meant the parameters such as time, number of times or input content of change, utilize Seed to be inserted in this specific arithmetic expression and obtain the result, and convert dynamic password to.
Such as, with time of change during as fundamental element " Seed ", the dynamic password generation unit produces different dynamic passwords in different time sections, for example dynamic password content of each minute change.For another example, with the number of times of change during as fundamental element " Seed ", the dynamic password generation unit provides number of times that device power-up uses as the change factor with dynamic password, all can produce a different set of dynamic password when using at every turn.As seen, because Seed has mobility, therefore, the dynamic password generation unit can produce mutually different dynamic password when each time of user used.
Step 315: interface and dynamic password output unit provide the dynamic password that is generated.
The specific implementation of this step comprises:
Mode one, interface and dynamic password output unit directly offer the user with the dynamic password that is generated.
In this mode one, dynamic password provides interface and the dynamic password output unit in the equipment to have playing function, such as playback or Presentation Function, like this, after interface and dynamic password output unit receive the dynamic password that is generated, directly dynamic password is played to the user, promptly offer the user, make the user obtain the dynamic password of this transaction by voice or image.
Mode two, interface and dynamic password output unit offer computing machine with the dynamic password that is generated, and offer the user by computing machine again.
In this mode two, after interface and dynamic password output unit receive the dynamic password that is generated, directly received dynamic password is sent to the interface unit in the computing machine; Interface unit in the computing machine is sent to interactive unit with the dynamic password that receives; Interactive unit plays to the user with received dynamic password, promptly offers the user by image or voice, makes the user obtain the dynamic password of this transaction.
In aforesaid way one and mode two, after the user had obtained dynamic password, the user then can utilize dynamic password to carry out process of exchange.Such as, import the dynamic password of account number and acquisition to bank, thereby carry out transaction such as transaction payment or account transfer.For another example, after the user has obtained dynamic password, dynamic password and account number that interactive unit input in computing machine is obtained, interactive unit in the computing machine is sent to the electronic signature applying unit with dynamic password and the account number that receives, the electronic signature applying unit is sent to corresponding main process equipment in the bank by the internet with received account number and dynamic password, receiving user's account by main process equipment, and after verifying that received dynamic password is correct, conclude the business accordingly by internet and user.
Mode three, interface and dynamic password output unit offer computing machine with the dynamic password that is generated, and offer bank by computing machine again.
In this mode three, after interface and dynamic password output unit receive the dynamic password that is generated, directly received dynamic password is sent to the interface unit in the computing machine; Interface unit in the computing machine is sent to the electronic signature applying unit with the dynamic password that receives; The electronic signature applying unit is sent to corresponding main process equipment in the bank by the internet with received dynamic password.After this, corresponding main process equipment is receiving user's account in the bank, and after verifying that received dynamic password is correct, then can conclude the business accordingly by internet and user.
Need to prove, when utilizing mode three to realize dynamic password is provided, in above-mentioned steps 315, the dynamic password generation unit is after having generated dynamic password, can at first adopt the cryptographic algorithm of making an appointment with bank, the dynamic password that is generated is encrypted, and the dynamic password after will encrypting is sent to interface and dynamic password output unit; Dynamic password after interface and dynamic password output unit will be encrypted is sent to the interface unit in the computing machine; Dynamic password after interface unit in the computing machine will be encrypted is sent to the electronic signature applying unit; The electronic signature applying unit is sent in the bank main process equipment accordingly by the internet with the dynamic password of institute after encrypting.After this, corresponding main process equipment is receiving user's account in the bank, and after the dynamic password after encrypting is decrypted and verifies that dynamic password after the deciphering is correct, then can conclude the business accordingly by internet and user.
In the utility model, electronic signature functionality unit and electronic signature applying unit can comprise in the mutual signing messages: user's characteristic information, signature checking computations information and the information that key etc. can unique affirmation user identity altogether are that the user enters unique effective identify label that system handles every business.
In the utility model, described dynamic password provide equipment can be disk, portable intelligent chip (USB KEY) or IC-card etc. any one have the equipment of structure shown in Figure 1, such as, electric signing tools with structure shown in Figure 1.
In a word, the above is preferred embodiment of the present utility model only, is not to be used to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (12)
1, a kind of dynamic password provides system, it is characterized in that, this system comprises: dynamic password provides equipment and computing machine, wherein, dynamic password provides and comprises interface and dynamic password output unit, electronic signature functionality unit and dynamic password generation unit in the equipment, comprise interface unit and electronic signature applying unit in the computing machine
Interface unit is used for the connection signal is sent to the electronic signature applying unit, after receiving dynamic password generation indication, this dynamic password is generated indication be sent to interface and dynamic password output unit;
The electronic signature applying unit is used for dynamic password being generated indication being sent to interface unit after receiving the connection signal;
Interface and dynamic password output unit are used for this dynamic password being generated indication being sent to the electronic signature functionality unit after receiving dynamic password generation indication, after receiving dynamic password, export this dynamic password;
The electronic signature functionality unit is used for dynamic password being generated indication being sent to the dynamic password generation unit after receiving dynamic password generation indication;
The dynamic password generation unit is used for generating dynamic password after receiving dynamic password generation indication, and the dynamic password that is generated is sent to interface and dynamic password output unit.
2, system according to claim 1, it is characterized in that, described electronic signature applying unit, be further used for when receiving the connection signal, to verify that indication is sent to interface unit, according to the signing messages that receives this transaction is authenticated, after authentication is passed through, carry out the described dynamic password generation is indicated and be sent to interface unit;
Interface unit, the checking indication that is further used for receiving is sent to interface and dynamic password output unit, and the signing messages that receives is sent to the electronic signature applying unit;
Interface and dynamic password output unit, the checking indication that is further used for receiving is sent to the electronic signature functionality unit, and the signing messages that receives is sent to interface unit;
The electronic signature functionality unit is further used for after receiving checking indication, and the user's that preserved signing messages is sent to interface and dynamic password output unit.
3, system according to claim 1 is characterized in that, further comprises interactive unit in the described computing machine,
Described electronic signature applying unit, be further used for after receiving the connection signal, password is generated affirmation ask to be sent to interactive unit, after the dynamic password that receives user's input generates indication, carry out the described dynamic password generation is indicated and be sent to interface unit;
Interactive unit is used for receiving after password generate to confirm request, and the prompting user imports the indication that generates dynamic password, after the dynamic password that receives user's input generates indication, this indication is sent to the electronic signature applying unit.
According to claim 1,2 or 3 described systems, it is characterized in that 4, described interface and dynamic password output unit have playing function, after receiving dynamic password, this dynamic password is played to the user.
5, according to claim 1,2 or 3 described systems, it is characterized in that, further comprise in the described computing machine being used for interactive unit after receiving dynamic password, this dynamic password is played to the user;
Described interface and dynamic password output unit after receiving dynamic password, are sent to interface unit with this dynamic password;
Interface unit after receiving dynamic password, is sent to interactive unit with this dynamic password.
According to claim 1,2 or 3 described systems, it is characterized in that 6, described interface and dynamic password output unit are sent to interface unit with this dynamic password after receiving dynamic password;
Interface unit after receiving dynamic password, is sent to the electronic signature applying unit with this dynamic password;
The electronic signature applying unit is used for after receiving dynamic password, this dynamic password is sent to the main process equipment of bank's side by the internet.
7, system according to claim 6, it is characterized in that, described dynamic password generation unit is further used for the dynamic password that is generated is encrypted, and the dynamic password after encrypting is sent to the electronic signature applying unit by interface and dynamic password output unit and interface unit;
The electronic signature applying unit, be used for the dynamic password after receiving encryption after, the dynamic password after will encrypting by the internet is sent to the main process equipment of bank's side.
8, a kind of dynamic password provides equipment, it is characterized in that, this equipment comprises: interface and dynamic password output unit, electronic signature functionality unit and dynamic password generation unit,
Interface and dynamic password output unit are used for this dynamic password being generated indication being sent to the electronic signature functionality unit receiving after dynamic password that outer computer sends generates indication, after receiving dynamic password, export this dynamic password;
The electronic signature functionality unit is used for dynamic password being generated indication being sent to the dynamic password generation unit after receiving dynamic password generation indication;
The dynamic password generation unit is used for generating dynamic password after receiving dynamic password generation indication, and the dynamic password that is generated is sent to interface and dynamic password output unit.
9, equipment according to claim 8, it is characterized in that, described interface and dynamic password output unit, the checking indication that is further used for outer computer is sent is sent to the electronic signature functionality unit, and the signing messages that receives is sent to outside computing machine;
The electronic signature functionality unit is further used for after receiving checking indication, and the user's that preserved signing messages is sent to interface and dynamic password output unit.
10, according to Claim 8 or 9 described equipment, it is characterized in that described interface and dynamic password output unit have playing function, after receiving dynamic password, this dynamic password is played to the user.
11, according to Claim 8 or 9 described equipment, it is characterized in that described interface and dynamic password output unit are used for after receiving dynamic password, this dynamic password is sent to outside computing machine.
12, equipment according to claim 11 is characterized in that, described dynamic password generation unit is used for the dynamic password that is generated is encrypted, and the dynamic password after encrypting is sent to interface and dynamic password output unit;
Interface and dynamic password output unit are used for the dynamic password after encrypting is sent to outside computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620124699 CN2938239Y (en) | 2006-07-14 | 2006-07-14 | Dynamic cipher providing system and dynamic cipher providing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620124699 CN2938239Y (en) | 2006-07-14 | 2006-07-14 | Dynamic cipher providing system and dynamic cipher providing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN2938239Y true CN2938239Y (en) | 2007-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620124699 Expired - Lifetime CN2938239Y (en) | 2006-07-14 | 2006-07-14 | Dynamic cipher providing system and dynamic cipher providing equipment |
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| CN (1) | CN2938239Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159551B (en) * | 2007-08-23 | 2010-06-02 | 北京飞天诚信科技有限公司 | Multifunctional information safety equipment and method of use thereof |
| CN111291387A (en) * | 2018-12-10 | 2020-06-16 | 宏碁股份有限公司 | File protection method and file processing system thereof |
-
2006
- 2006-07-14 CN CN 200620124699 patent/CN2938239Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159551B (en) * | 2007-08-23 | 2010-06-02 | 北京飞天诚信科技有限公司 | Multifunctional information safety equipment and method of use thereof |
| CN111291387A (en) * | 2018-12-10 | 2020-06-16 | 宏碁股份有限公司 | File protection method and file processing system thereof |
| CN111291387B (en) * | 2018-12-10 | 2023-04-07 | 宏碁股份有限公司 | File protection method and file processing system thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100083, room 1810, block B, golden building, No. 17, Qinghua East Road, Beijing, Haidian District Patentee after: Tendyron Technology Co., Ltd. Address before: 100085 No. four, 1 Street, 3 middle road, Haidian District, Beijing, China, No. 504 Patentee before: Beijing Tendyron Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20070822 |
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| EXPY | Termination of patent right or utility model |