CN102779077A - Embedded type security equipment and password recovering method thereof - Google Patents
Embedded type security equipment and password recovering method thereof Download PDFInfo
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- CN102779077A CN102779077A CN2012102000577A CN201210200057A CN102779077A CN 102779077 A CN102779077 A CN 102779077A CN 2012102000577 A CN2012102000577 A CN 2012102000577A CN 201210200057 A CN201210200057 A CN 201210200057A CN 102779077 A CN102779077 A CN 102779077A
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Abstract
The invention provides embedded type security equipment and a password recovering method thereof. The embedded type security equipment comprises an embedded type security equipment master control chip and a voltage converting device; the embedded type security equipment master control chip is connected with the voltage converting device; the voltage converting device is used for changing an output voltage value according to operation of a user; the embedded type security equipment master control chip is used for monitoring a voltage value output by the voltage converting device; and when the voltage converting device outputs a pre-set voltage value, the embedded type security equipment master control chip can recover a current system password to a default password. With the adoption of the embedded type security equipment and the password recovering method thereof disclosed by the invention, the default password of the embedded type security equipment can be rapidly recovered by the user under the limited condition, the defects that the period of a traditional password recovering method is long and the cost is high are overcome, the recovering efficiency of the password of the embedded type security equipment is improved, and the cost for maintaining the embedded type security equipment by manufacturers is reduced.
Description
Technical field
The present invention relates to embedded security protection equipment technical field, be specifically related to a kind of embedded security protection equipment and password recovery method thereof.
Background technology
Embedded security protection equipment; DVR (digital video recorder for example; Digital hard disc video recorder) and among the DVS (digital video server, digital video frequency server), there are two kinds of users to go to operate by logging device; A kind of user is the administrator, and a kind of is domestic consumer.The administrator generally has only one; Be by device fabrication producer in the equipment preceding establishment of dispatching from the factory, keeper's initial password (default password) is provided with by manufacturer before equipment dispatches from the factory, equipment is behind the user there; The user can utilize the default password logging device; And revise the administrator's password of this default password for user oneself, to guarantee device logs safety, administrator's password can only be revised by keeper oneself.The establishment of domestic consumer has two kinds, and a kind of is producer's acquiescence, and a kind of in addition is to be created, initial password and assigned operation authority are set by the administrator, can have a plurality of.No matter be any user, all must login and operating equipment through the input password.The keeper can revise password, the user right of domestic consumer when being necessary for the safety of equipment, even can delete domestic consumer to guarantee the safety of equipment.So the administrator has the highest administration power of equipment, have all authorities and use, operate embedded security protection equipment.
In view of the importance of embedded security protection equipment manager password to embedded security protection equipment, in a single day the user has forgotten administrator's password for some reason, always hopes in the very first time, to recover to dispatch from the factory default password as early as possible.In case the keeper has forgotten password, former general way is that the requirement user sends equipment back to manufacturer, recovers password by manufacturer with specific method, and the cycle of doing like this is very long and expense is also very high.
Summary of the invention
Partly statement in the feature and advantage of the present invention description hereinafter perhaps can be described obviously from this, perhaps can learn through putting into practice the present invention.
For solving prior art problems; The present invention provides a kind of embedded security protection equipment and password recovery method thereof; The user can be recovered the default password of embedded security protection equipment under limited condition fast, overcome traditional defective that the password recovery method cycle is long, expense is high.
It is following that the present invention solves the problems of the technologies described above the technical scheme that is adopted:
According to an aspect of the present invention; A kind of embedded security protection equipment is provided; Comprise embedded security protection equipment main control chip and voltage conversion device; This embedded security protection equipment main control chip links to each other with voltage conversion device, and this voltage conversion device is used for the magnitude of voltage according to user's operation change output, and this embedded security protection equipment main control chip is used to monitor the magnitude of voltage of this voltage conversion device output; When this voltage conversion device output setting voltage value, this embedded security protection equipment main control chip reverts to default password with current system password.
According to one embodiment of present invention, this embedded security protection equipment main control chip is realized the monitoring to this magnitude of voltage through the operational monitoring program.
According to one embodiment of present invention, this embedded security protection equipment main control chip is provided with general I/O pin, and this voltage conversion device links to each other with this general I/O pin.
According to one embodiment of present invention, this embedded security protection equipment main control chip is made as on-chip system chip.
According to one embodiment of present invention; This voltage conversion device comprises first resistance and second resistance; One end of first resistance links to each other with this general I/O pin; Its other end links to each other with an end of second resistance, and the other end of second resistance connects power supply, and this voltage conversion device is through the optionally conversion of this general I/O pin magnitude of voltage of ground connection realization of common port with first resistance and second resistance.
According to one embodiment of present invention, this voltage conversion device comprises jumper element, and this jumper element is used for the common port of first resistance and second resistance ground connection optionally.
According to another aspect of the present invention, the present invention provides a kind of embedded security protection device password restoration methods, comprises step:
A1, on embedded security protection equipment main control chip the operational monitoring program, the magnitude of voltage of voltage conversion device output is monitored;
A2, when this monitoring facilities detects this magnitude of voltage and converts setting value into according to user operation, the current system password of this embedded security protection equipment main control chip is reverted to default password.
According to one embodiment of present invention, comprise step in this steps A 1: this monitoring facilities of timing circular flow on this embedded security protection equipment main control chip.
According to one embodiment of present invention, current system password reverts to default password and comprises the following steps: in this steps A 2
B1, cancellation active user;
B2, recovery default password.
According to one embodiment of present invention, also comprise step after this step B2:
B3, hummer send indication information.
The present invention can recover the user fast to the default password of embedded security protection equipment under limited condition; Overcome traditional defective that the password recovery method cycle is long, expense is high; Improve the recovery efficient of embedded security protection device password, reduced the maintenance cost of embedded security protection equipment vendors.
Through reading instructions, those of ordinary skills will understand characteristic and the aspect of these embodiment and other embodiment better.
Description of drawings
Below through with reference to accompanying drawing and combine instance to describe the present invention particularly; Advantage of the present invention and implementation will be more obvious; Wherein content shown in the accompanying drawing only is used for explaining to of the present invention, and does not constitute the restriction of going up in all senses of the present invention, in the accompanying drawings:
Fig. 1 is a voltage conversion device embodiment synoptic diagram of the present invention;
Fig. 2 is the embedded security protection device password of a present invention restoration methods embodiment process flow diagram.
Embodiment
The alleged embedded security protection equipment of the present invention is meant but is not limited to digital hard disc video recorder and digital video frequency server.Embedded security protection equipment is exactly the equipment that safety-security area is used for monitoring trade; The general main control chip that adopts is SOC (System On a Chip; Be SOC(system on a chip)) chip; Nearly all SOC chip all is that GPIO (General Purpose Input Output, promptly general I/O) pin is arranged, and the GPIO pin is a kind of general chip pin type.
The embedded security protection equipment of the present invention; Comprise embedded security protection equipment main control chip and voltage conversion device; Embedded security protection equipment main control chip links to each other with voltage conversion device, and voltage conversion device is used for the magnitude of voltage according to user's operation change output, and embedded security protection equipment main control chip is used for the magnitude of voltage of monitoring voltage conversion equipment output; When voltage conversion device output setting voltage value, embedded security protection equipment main control chip reverts to default password with current system password.Preferably, embedded security protection equipment main control chip is realized the monitoring to magnitude of voltage through the operational monitoring program.Preferably, embedded security protection equipment main control chip is provided with general I/O pin, and voltage conversion device links to each other with general I/O pin.Preferably, embedded security protection equipment main control chip is made as the SOC chip.
As shown in Figure 1; Voltage conversion device comprises first resistance R 356 and second resistance R 328; One end of first resistance R 356 links to each other with the general I/O pin GPIO06 of SOC chip; Its other end links to each other with an end of second resistance R 328, and the other end of second resistance R 328 connects power supply, voltage conversion device through with the common port of first resistance R 356 and second resistance R 328 optionally ground connection realize the conversion of general I/O pin GPIO06 magnitude of voltage.In the present embodiment; Voltage conversion device comprises jumper element; Jumper element is used for the common port of first resistance R 356 and second resistance R 328 ground connection optionally; 1 pin and 2 pin that for example can be through jumper cap short circuit interface JP2, the common port that makes first resistance R 356 and second resistance R 328 is ground connection optionally.
GPIO06 among Fig. 1 is a GPIO pin (being general I/O pin) of the main control chip of hardware mainboard.JP2 is exactly a jumper location, and the user can be with jumper cap or other measures, makes pin one, 2 short circuits of JP2 realize the password reset function in several seconds.R328 is the resistance that draws 3.3V on, and the resistance of its resistance is 4K7; R356 is the resistance of a serial connection GPIO06, and the resistance of its resistance is 560R.Because pin two is a ground connection, so after user's shorted pins 1,2, GPIO just converts low level into by high level.
The embedded security protection device password of the present invention restoration methods comprises step:
A1, on embedded security protection equipment main control chip the operational monitoring program, the magnitude of voltage of voltage conversion device output is monitored; Monitoring facilities adopts and regularly detects thread in the present embodiment, and this thread regularly (for example per 1 second) circular flow once is used for regularly circulation the magnitude of voltage of voltage conversion device output is monitored;
A2, when monitoring facilities detects magnitude of voltage and converts setting value into according to user operation, the current system password of embedded security protection equipment main control chip is reverted to default password.
According to present embodiment, steps A 1 comprises step: timing circular flow monitoring facilities on embedded security protection equipment main control chip; Current system password reverts to default password and comprises the following steps: in the steps A 2
B1, cancellation active user;
B2, recovery default password.
B3, hummer send indication information.
As shown in Figure 2, the embedded security protection device password of the present invention restoration methods specific embodiment comprises step:
101, in embedded system, open up a regularly thread, operational monitoring program;
102, monitoring facilities reads the state of general I/O GPIO pin;
103, judging whether the GPIO pin is low level, is execution in step 104 then; Otherwise execution in step 102;
104, nullify the active user;
105, recover to dispatch from the factory password default (being default password);
106, hummer sends indication information;
107, accomplish password recovery.
Regularly regularly circular flow in 1 second is once for thread.
In the present embodiment, the restoration methods of loss of embedded security protection equipment manager password comprises that whether detection needs password recovery and carry out two processes of password recovery, specifically may further comprise the steps:
1, one of the hardware motherboard design of embedded security protection equipment time design is used to detect the GPIO the pin whether user needs password recovery; Behind the user loss password; Need open cabinet, on the hardware mainboard, find corresponding pin jumper location, utilize jumper cap perhaps can carry out the position of 2 wire jumpers of lead short circuit of short circuit; Short circuit keeps certain hour, is generally about several seconds.
2, the thread that timing operation opening up specially in the software of embedded security protection equipment detects, detect user's wire jumper short circuit after, the logic realization of carrying out password recovery after the password recovery, is sent the sound of " ticking " through hummer.
The method that wherein detects the wire jumper short circuit is to read the level state of corresponding GPIO pin; Divide two kinds of situation; A kind ofly confirmed it is high level at ordinary times when being hardware designs; Be low level during short circuit,, do not reset if high level does not then carry out password if the level that reads was low level then represented to carry out password and reset this moment; Having confirmed it is low level at ordinary times when another kind is hardware designs, is high level during short circuit, if the level that reads was high level then represented to carry out password and reset this moment, does not reset if low level is not then carried out password.The logic realization method of password recovery is for carrying out after password resets when detect needs according to said method; At first nullify the current user who has logined; Be saved in the middle of the user profile of embedded security protection equipment after encrypting the password default that dispatches from the factory through assignment algorithm then, cover the password of having forgotten with this.Send the high level of appointment or the sound that low level excites hummer through the honey device on mainboard at last, so just accomplished the logic of password recovery.
3, after the user hears the sound of " ticking " that the hummer on the hardware mainboard sends, just represent that password has been resumed.
Above with reference to description of drawings the preferred embodiments of the present invention, those skilled in the art do not depart from the scope and spirit of the present invention, and can have multiple flexible program to realize the present invention.For example, the characteristic that illustrates or describe as the part of an embodiment can be used for another embodiment to obtain another embodiment.More than be merely the preferable feasible embodiment of the present invention, be not so limit to interest field of the present invention, the equivalence that all utilizations instructions of the present invention and accompanying drawing content are done changes, and all is contained within the interest field of the present invention.
Claims (10)
1. embedded security protection equipment; It is characterized in that: comprise embedded security protection equipment main control chip and voltage conversion device; Said embedded security protection equipment main control chip links to each other with voltage conversion device; Said voltage conversion device is used for the magnitude of voltage according to user's operation change output; Said embedded security protection equipment main control chip is used to monitor the magnitude of voltage of said voltage conversion device output, and when said voltage conversion device was exported setting voltage value, said embedded security protection equipment main control chip reverted to default password with current system password.
2. embedded security protection equipment according to claim 1 is characterized in that: said embedded security protection equipment main control chip is realized the monitoring to said magnitude of voltage through the operational monitoring program.
3. embedded security protection equipment according to claim 2 is characterized in that: said embedded security protection equipment main control chip is provided with general I/O pin, and said voltage conversion device links to each other with said general I/O pin.
4. according to each described embedded security protection equipment among the claim 1-3, it is characterized in that: said embedded security protection equipment main control chip is made as on-chip system chip.
5. embedded security protection equipment according to claim 4; It is characterized in that: said voltage conversion device comprises first resistance and second resistance; One end of first resistance links to each other with said general I/O pin; Its other end links to each other with an end of second resistance, and the other end of second resistance connects power supply, said voltage conversion device through with the common port of first resistance and second resistance optionally ground connection realize the conversion of said general I/O pin magnitude of voltage.
6. embedded security protection equipment according to claim 5, it is characterized in that: said voltage conversion device comprises jumper element, said jumper element is used for the common port of first resistance and second resistance ground connection optionally.
7. an embedded security protection device password restoration methods is characterized in that, comprises step:
A1, on embedded security protection equipment main control chip the operational monitoring program, the magnitude of voltage of voltage conversion device output is monitored;
A2, when said monitoring facilities detects said magnitude of voltage and converts setting value into according to user operation, the current system password of said embedded security protection equipment main control chip is reverted to default password.
8. embedded security protection device password restoration methods according to claim 7 is characterized in that, comprises step in the said steps A 1: the said monitoring facilities of timing circular flow on said embedded security protection equipment main control chip.
9. according to claim 7 or 8 described embedded security protection device password restoration methods, it is characterized in that current system password reverts to default password and comprises the following steps: in the said steps A 2
B1, cancellation active user;
B2, recovery default password.
10. embedded security protection device password restoration methods according to claim 9 is characterized in that, also comprises step after the said step B2:
B3, hummer send indication information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102000577A CN102779077A (en) | 2012-06-18 | 2012-06-18 | Embedded type security equipment and password recovering method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102000577A CN102779077A (en) | 2012-06-18 | 2012-06-18 | Embedded type security equipment and password recovering method thereof |
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| CN102779077A true CN102779077A (en) | 2012-11-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108268768A (en) * | 2017-01-04 | 2018-07-10 | 无锡锐格思信息技术有限公司 | The on-off control system and method that a kind of Default device password is enabled and forbidden |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257138A1 (en) * | 2004-05-14 | 2005-11-17 | Microsoft Corporation | Systems and methods for defining web content navigation |
| CN1731408A (en) * | 2005-08-17 | 2006-02-08 | 杭州海康威视数字技术有限公司 | A restoration method for loss of embedded security protection equipment manager password |
| CN102307101A (en) * | 2011-09-09 | 2012-01-04 | 飞天诚信科技股份有限公司 | Method and device for processing dynamic token and trigger signal of dynamic token |
| CN202268898U (en) * | 2011-10-08 | 2012-06-06 | 北京集联网络技术有限公司 | Electronic dynamic token vibration waking circuit and device thereof |
-
2012
- 2012-06-18 CN CN2012102000577A patent/CN102779077A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257138A1 (en) * | 2004-05-14 | 2005-11-17 | Microsoft Corporation | Systems and methods for defining web content navigation |
| CN1731408A (en) * | 2005-08-17 | 2006-02-08 | 杭州海康威视数字技术有限公司 | A restoration method for loss of embedded security protection equipment manager password |
| CN102307101A (en) * | 2011-09-09 | 2012-01-04 | 飞天诚信科技股份有限公司 | Method and device for processing dynamic token and trigger signal of dynamic token |
| CN202268898U (en) * | 2011-10-08 | 2012-06-06 | 北京集联网络技术有限公司 | Electronic dynamic token vibration waking circuit and device thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108268768A (en) * | 2017-01-04 | 2018-07-10 | 无锡锐格思信息技术有限公司 | The on-off control system and method that a kind of Default device password is enabled and forbidden |
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Application publication date: 20121114 |