CN106933124B - One kind realizing the self-destructed system of smart-cut and its self-destruction method based on wireless networking - Google Patents
One kind realizing the self-destructed system of smart-cut and its self-destruction method based on wireless networking Download PDFInfo
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- CN106933124B CN106933124B CN201511031562.3A CN201511031562A CN106933124B CN 106933124 B CN106933124 B CN 106933124B CN 201511031562 A CN201511031562 A CN 201511031562A CN 106933124 B CN106933124 B CN 106933124B
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
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Abstract
The invention discloses one kind to realize the self-destructed system of smart-cut and its self-destruction method based on wireless networking.Intelligent destruct system of the invention includes: that security control terminal and self-destruction executive subsystem, the two constitute master-slave network by way of wireless networking；Self-destruction is divided into three kinds of situations: commanding destruction, tolls breakdown and unload self-destruction and disengaging safety zone self-destruction；There are priority for above situation, command destruction highest priority, followed by toll breakdown and unload self-destruction, are finally to be detached from safety zone self-destruction；Self-destruction micro-system is commanded destruction after being connected to the command-destruct from security control terminal, is immediately performed self-destruction；It tolls breakdown to unload self-destruction and be divided into structure again and meet with tolling breakdown of dismantling by force and unload the system that self-destruction and equipment meet with forced interruption and powers off two class situation of self-destruction by force；It is detached from the reason of safety zone self-destruction needs discriminatory analysis self-destruction executive subsystem to be detached from safety zone, to prevent the case where self-destruction executive subsystem is due to accidentalia disengaging safety zone.
Description
Technical field
The present invention relates to information securities and self-destruction technology, and in particular to one kind realizes smart-cut self-destruction based on wireless networking
System and its self-destruction method.
Background technique
In recent years, with the development of big data and Internet technology, a large amount of movable equipments as network node and
The network terminal is widely used in civilian and military field.It is stored with a large amount of sensitive informations in these movable equipments, works as equipment
When losing or is in a special environment, the safety of information is destroyed big as the one of information self-destruction field to prevent user information from revealing
Problem.Traditional self-destruction mode is divided into two kinds: software self-destruction and hardware self-destruction.Wherein, software self-destruction utilizes software by storage medium
In the method for data erasing carry out, and hardware self-destruction generallys use the mode that high current is burnt.For software self-destruction, due to being situated between
Matter storage properties itself cause data erasing to be not thorough, and data recovery can be carried out by software approach, thus have poor
Self-destruction effect.And for the mode that high current is burnt, then ruining key signal energy and on the time there are barrier, technology is simultaneously endless
It is kind.
In addition, high based on the hardware self-destruction cost of implementation that high current burns mode, the period is long.It is needed in actual application
Storage medium framework is redesigned to match the energy and structural requirement of self-destruction circuit.Therefore, the mode burnt based on high current
It is difficult to adapt to the existing all kinds of self-destructed requirements of storage medium hardware.
In 201510184443.5 this two patents of application number CN201510187373.9 and application number, outside can only be passed through
Triggering, which is ignited, completes self-destruction, although having the ability that perfect self-destruction executes, does not have independent perception and judges self-destruction condition
Ability.And with each electronic product intelligent development, it is desirable that self-destruction micro-system must have intelligent perception and decision self-destruction
Ability.In addition, the technical solution in above-mentioned patent can not make self-destruction row before the anti-locking system destruct system of portion's destruction outside
For, therefore its self-destruction ability has certain limitation.
Summary of the invention
For the above problems of the prior art, the present invention devise it is a kind of based on wireless networking for non-volatile
Property storage chip self-destruction micro-system, for the self-destruction of all kinds of commercially available non-volatile memory chips, the self-destruction micro-system without pair
Existing commercially available non-volatile memory chip and encapsulating shell system carry out in structure or change functionally, thus has flexible knot
Structure and wide applicability.
The smart-cut destruct system based on wireless networking that the purpose of the present invention is to provide a kind of.
A kind of smart-cut destruct system based on wireless networking of the invention includes: that security control terminal and self-destruction are held
Row subsystem, the two constitute master-slave network by way of wireless networking, and a security control terminal and multiple self-destructions execute
Subsystem carries out networking；By the signal strength or weakness of wireless telecommunications between security control terminal and self-destruction executive subsystem, two are judged
The distance between person, and safety zone is set, security control terminal is located at the safety zone of entire smart-cut destruct system
Center；Wherein, security control terminal includes control chip, control terminal wireless communication unit, human-computer interaction device and control terminal electricity
Source circuit, control terminal power supply are respectively connected to control chip, control terminal wireless communication unit and human-computer interaction device, control chip
Connect control terminal wireless communication unit and human-computer interaction device；Self-destruction executive subsystem includes being encapsulated in the intracorporal execution of encapsulating shell
Layer circuit board, function layer circuit board, anti-disassembling device and miniature blast cutting rope；Miniature ignition is set on executing layer circuit board
Chip, Miniature safety solution protect chip and storage chip, each pin are drawn by execution layer circuit board；Miniature blast cutting rope arrangement
On miniature ignition chip and storage chip, the surface of the recess face storage chip of miniature blast cutting rope；In functional layer electricity
Self-destruction decision chip, detonation capacitor and mutual capacitance, each pin are arranged on the plate of road to be drawn by function layer circuit board；Detonate capacitor
One end by the power input of self-destruction end power circuit through inside the power circuit of self-destruction end and power output end and output control
Ignition control terminal in unit processed is connected, energy needed for providing detonation for miniature ignition chip, other end ground connection；Mutual capacitance
One end by the power output end of self-destruction end power circuit in self-destruction decision chip the unit of power supply in need be connected,
In the case where self-destruction executive subsystem loses external power supply, the energy for making self-destruction executive subsystem complete self-destruction work is provided；
Self-destruction decision chip includes that output control unit, storage unit, logic judgment unit, structure toll breakdown and unload judging unit, self-destruction end
Power circuit and self-destruction end wireless communication unit；A pair of of the ignition electrode and Miniature safety solution of miniature ignition chip protect the one of chip
It is in parallel to security control electrode, and it is respectively connected to the ignition control terminal and ground terminal of output control unit, it is in storage chip
When normal condition, Miniature safety solution protects chip for miniature ignition chip short circuit；A pair of of solution that Miniature safety solution protects chip protects control
Electrode is respectively connected to security control end and the ground terminal of output control unit；Self-destruction end power circuit passes through power output end respectively
Be connected to output control unit, storage unit, logic judgment unit and the self-destruction end of mutual capacitance and self-destruction decision chip without
Line communication unit；External power is connected to self-destruction end power circuit by power input；Logic judgment unit is controlled with output respectively
Unit processed, storage unit, structure, which are tolled breakdown, unloads judging unit and connects with self-destruction end wireless communication unit；One end of anti-disassembling device is set
Set the inner surface in package casing, the other end is tolled breakdown to unload judging unit and be connected to the structure of logic judgment unit by structure and be tolled breakdown
It unloads and judges port；Control terminal wireless communication unit is connect with self-destruction end wireless communication unit by wireless telecommunications；Work as security control
Terminal sends command-destruct or the judgement of self-destruction decision chip encounters to toll breakdown to unload to need to be implemented to toll breakdown and unloads self-destruction or disengaging safety zone
When domain needs to be implemented disengaging safety zone self-destruction, self-destruction decision chip is controlled miniature by the security control end of output control unit
Safety solution protects chip arming, and issues instruction of being under fire by ignition control terminal, and the electric energy in the capacitor that detonates is through self-destruction end
Power circuit, output control unit and miniature ignition chip form capacitor discharge loop, are put rapidly by miniature ignition chip
Electricity causes miniature ignition chip to generate heat, the explosive in miniature blast cutting rope is ignited, thus along the direction of miniature blast cutting rope
Storage chip is cut, to realize the self-destruction of storage chip.
Pin holes are provided on executing layer circuit board, the miniature ignition chip, micro- executed on layer circuit board will be set
Solution protects chip to type safely and each pin of storage chip is drawn；Pin holes are provided on function layer circuit board, setting is existed
Self-destruction decision chip, detonation capacitor on function layer circuit board and each pin of mutual capacitance are drawn；Execution circuit plate with
Between function layer circuit board, setting pin contact pin corresponding with pin holes, by phase between execution circuit plate and function layer circuit board
The pin answered is electrically connected.Executing the pin on layer circuit board includes that miniature ignition chip and Miniature safety solution protect each of chip
Each pin of electrode and storage chip.Pin on function layer circuit board includes self-destruction decision chip, detonation capacitor and work
Make each port of capacitor.
Miniature ignition chip uses electric initiating explosive device.Electric initiating explosive device includes two ignition electrodes and the zone of action, two ignitions
Electrode is located at the both ends of the zone of action, is respectively connected to the ignition control terminal and ground terminal of self-destruction decision chip.When self-destruction is determined
When the judgement of plan chip needs to be implemented self-destruction, the insurance that Miniature safety solution protects chip is first released, is then issued by ignition control terminal
Instruction of being under fire causes miniature ignition chip that electrocaloric effect occurs, and temperature increases, so that core will be stored by igniting miniature blast cutting rope
Piece cutting, to realize self-destruction.
Miniature safety solution protects chip and uses the solid electronic switch converted from normal open to normally off state, when self-destruction decision chip
When judgement does not need to execute self-destruction, Miniature safety solution protects chip and is in normal open state, and miniature ignition chip is short-circuit；Work as self-destruction
When the judgement of decision chip needs to be implemented self-destruction, Miniature safety solution is protected chip and is disconnected, and normally off state is in, thus miniature ignition chip
It connects into ignition control terminal.Solid electronic switch includes: control bridge and wire bridge and insulating layer between the two；Wherein, it controls
Bridge processed includes that the electrode at both ends and active region connecting the two, the both ends of control bridge are protected coordination electrode as a pair of of solution and connected respectively
It is connected to security control end and the ground terminal of self-destruction decision chip；Wire bridge include both ends electrode and active region connecting the two,
The both ends of wire bridge are connected in parallel in a pair of of ignition electrode of miniature ignition chip as a pair of of security control electrode；The work of wire bridge
With the active region of area's covering control bridge；When storage chip is in normal condition, wire bridge is short-circuit by miniature ignition chip, thus
Guarantee miniature ignition chip secure；When self-destruction decision chip issues arm command by security control end, the effect of control bridge
Area explodes, and the active region for the wire bridge being covered on it is caused to disconnect, and miniature ignition chip accesses ignition control terminal.
Self-destruction decision chip includes: that logic judgment unit, structure toll breakdown that unload judging unit, storage unit, output control single
Member, self-destruction end wireless communication unit and self-destruction end power circuit；Wherein, logic judgment unit receives self-destruction end wireless communication unit
Information, and judge whether current time needs to be implemented self-destruction according to the instruction being stored in a storage unit, if not needing, nothing
Movement, if desired then logic judgment unit to output control unit successively sends arm command and command-destruct；Storage unit is used
In the subsystem identity coding of storage instructions decision-making process and self-destruction executive subsystem, each self-destruction executive subsystem
It has a unique identity code；Output control unit receives arm command and command-destruct from logic judgment unit, and divides
Not Tong Guo security control end control Miniature safety solution and protect chip and disconnect arming, and miniature hair is controlled by ignition control terminal
Fiery chip fever is to execute self-destruction.The connecting pin that output control unit protects chip with miniature ignition chip and Miniature safety solution includes
Ignition control terminal, solution protect control terminal and ground terminal.
Miniature blast cutting rope is a kind of device that cutting power is generated under explosive driving effect, the end face tool of cross section
There is recess；There is round and non-circular two class in the cross section of miniature blast cutting rope, and the shape of recess is the recess or loudspeaker of arc-shaped
The recess of shape, is filled with explosive inside the crust of miniature blast cutting rope, after ignition charge, by the recessed of miniature blast cutting rope
It falls into and crushes, energy-gathering jetting is formed on the top of recess, to realize cutting function；The recess face of miniature blast cutting rope stores
The surface of chip.
Storage chip is all kinds of commercially available storage chips, pin number different from according to chip type.Storage chip
Can be flash storage chip, be also possible to eeprom storage chip or other non-volatile memory chips, storage chip it is each
A pad is connected to correspondingly on each storage pin of the nead frame of encapsulating housing.
Security control terminal includes: control chip, control terminal wireless communication unit, human-computer interaction device and control terminal power supply
Circuit, control terminal power circuit are respectively connected to control chip, control terminal wireless communication unit and human-computer interaction device, to provide
Operating voltage；Control chip connection control terminal wireless communication unit and human-computer interaction device.Security control terminal and self-destruction execute
By control terminal wireless communication unit and self-destruction end wireless communication unit between subsystem, information is carried out in the form of wireless telecommunications
Transmitting.Signal, security control end and self-destruction are sent between control terminal wireless communication unit and self-destruction end wireless communication unit mutually
Executive subsystem can judge the distance between security control terminal and self-destruction executive subsystem according to the power of signal.With
Centered on security control terminal, alarm limit and self-destruction limit is set separately, and according to the power of signal, sets corresponding alert threshold
With self-destruction threshold value；When self-destruction executive subsystem be in alarm limit in, control terminal wireless communication unit and self-destruction end wireless telecommunications list
Signal strength between member is greater than alert threshold, it is believed that self-destruction executive subsystem is located at safety zone；When self-destruction executive subsystem
Between alarm limit and self-destruction limit, when signal strength is less than alert threshold and is greater than self-destruction threshold value, it is believed that self-destruction executes subsystem
System is located at alarm region, and security control terminal and self-destruction executive subsystem are simultaneously emitted by alarm, also, self-destruction executive subsystem is held
Row countdown self-destruction；When self-destruction executive subsystem is in outside self-destruction limit, when signal strength is less than self-destruction threshold value, it is believed that self-destruction executes
Subsystem is immediately performed self-destruction departing from safety zone, self-destruction executive subsystem.In addition, when self-destruction executive subsystem and safety are controlled
When terminal processed is out of touch suddenly, i.e., the self-destruction executive subsystem signal that does not receive security control terminal, self-destruction execute subsystem
System executes countdown self-destruction.
Tolling breakdown and unloading self-destruction includes that structure tolls breakdown and unloads self-destruction and system powers off by force self-destruction.
It is provided with anti-disassembling device in self-destruction executive subsystem, the inner surface and function layer circuit board object with package casing
Reason connection, anti-disassembling device are tolled breakdown to unload judging unit and be electrically connected to the structure of self-destruction decision chip by structure and toll breakdown and unload judgement
Port, when encounter external force toll breakdown unload when, anti-disassembling device is destroyed, and structure, which is tolled breakdown, unloads judging unit to self-destruction decision chip
Sending, which is tolled breakdown, unloads signal, and self-destruction decision chip decision structure, which is tolled breakdown, to be unloaded, and needs to toll breakdown and unloads self-destruction, thereby executing self-destruction.
The self-destruction end power circuit of self-destruction executive subsystem includes: power input, power supply change-over device and comparator；Its
In, power input introduces external power supply；After converted device conversion, held by output port of power source to mutual capacitance and self-destruction
Self-destruction end wireless communication unit, logic judgment unit and storage unit in row subsystem provide operating voltage；Power input
The input terminal of comparator is respectively connected to the output end of power supply change-over device, the output end of comparator is connected to logic judgment list
The system of member, which powers off by force, judges port.In the case where no cut-offing instruction, there is strong power-off, then the output end of comparator is defeated
Significant changes occur for logic level out, and logical value negates signal to self-destruction decision chip, so that the judgement of self-destruction decision chip occurs
System powers off by force, needs to be implemented to toll breakdown and unloads self-destruction, thereby executing self-destruction.
Human-computer interaction device includes input unit, output device and alarm；Wherein, input unit uses keyboard, output
Device uses display.When self-destruction executive subsystem is located at alarm region, control chip controls alarm is sounded an alarm.
It is another object of the present invention to provide a kind of smart-cut self-destruction method based on wireless networking.
Security control terminal and self-destruction executive subsystem, constitute master-slave network by way of wireless networking, and one
Security control terminal and multiple self-destruction executive subsystems carry out networking；Pass through between security control terminal and self-destruction executive subsystem
The signal strength or weakness of wireless telecommunications judges distance between the two, and sets safety zone, and security control terminal is located at entire self-destruction
The center of the safety zone of system, a kind of smart-cut self-destruction method based on wireless networking of the invention, comprising the following steps:
1) self-destruction executive subsystem and security control terminal network consisting；
2) the self-destruction decision chip of self-destruction executive subsystem judges whether to receive refers to from the self-destruction of security control terminal
It enables, enters step 6) if received, entered step 3) if do not received；
3) self-destruction decision chip enters and tolls breakdown and unloads judgement process, tolls breakdown to unload judgement and be divided into structure and toll breakdown and unloads judgement and system is strong
Power-off judgement:
A) structure, which is tolled breakdown, unloads judgement:
Self-destruction decision chip whether tolled breakdown by structure unload judge port receive tolled breakdown come self-structure unload judging unit hair
Signal is unloaded in tolling breakdown for sending, if received, self-destruction decision chip decision structure, which is tolled breakdown, to be unloaded, and enters step 6), if do not receive into
Enter step 4)；
B) system powers off by force judgement:
Whether self-destruction decision chip is powered off by force by system judges that port receives come the comparator of self-destruction end power circuit
Logical value negate signal, if received, self-destruction decision chip judges that system powers off by force, enter step 6), if do not received,
It enters step 4)；
4) the control chip of security control terminal periodically sends pulse signal to self-destruction executive subsystem, and self-destruction executes
If subsystem does not receive pulse signal, enter step 6), if received, enters step 5)；
5) security control terminal and self-destruction executive subsystem judge that security control terminal is held with self-destruction according to the power of signal
The distance between row subsystem:
A) signal strength between control terminal wireless communication unit and self-destruction end wireless communication unit is greater than alert threshold, recognizes
It is located at safety zone, return step 2 for self-destruction executive subsystem)；
B) when signal strength is less than alert threshold and is greater than self-destruction threshold value, it is believed that self-destruction executive subsystem is located at alert zone
Domain, security control terminal and self-destruction executive subsystem are simultaneously emitted by alarm, and enter countdown self-destruction, if terminating in countdown
Before, signal strength is greater than alert threshold, then it is assumed that self-destruction executive subsystem returns to safety zone, return step 2), if falling to count
When terminate before, signal strength still is less than alert threshold, enter step 6)；
C) when signal strength is less than self-destruction threshold value, it is believed that self-destruction executive subsystem is entered step departing from safety zone
6)；
D) when self-destruction executive subsystem and security control terminal are out of touch suddenly, i.e., self-destruction executive subsystem receives not
To the signal of security control terminal, 6) self-destruction executive subsystem countdown enters step after countdown；
6) self-destruction decision chip issues arm command, controls Miniature safety solution by security control end and protects chip disconnection releasing
Insurance, then issues command-destruct, controls miniature ignition chip by ignition control terminal and electrocaloric effect occurs, temperature increases；
7) explosive in miniature blast cutting rope is ignited, the recess of miniature blast cutting rope is crushed, on the top of recess
Energy-gathering jetting is formed, to cut storage chip along the direction of miniature blast cutting rope, realizes that information is not in storage chip
Restorably destroy.
Wherein, in step 1), self-destruction executive subsystem and security control terminal network consisting, comprising the following steps:
I. security control terminal issues control terminal identity coding and register instruction；
Ii. the self-destruction decision chip of self-destruction executive subsystem receives control terminal after control terminal identity coding and register instruction
Identity coding is stored in a storage unit, and the subsystem identity coding in storage unit is sent to security control terminal, peace
Full controlling terminal records subsystem identity coding, is simultaneously emitted by the instruction of successful matching, the pulse letter sent after successful match
Number, in self-destruction signal and Restart Signal include control terminal identity coding and subsystem identity coding information, to realize safety
Controlling terminal only obeys from successful matching the independent control and self-destruction executive subsystem of each self-destruction executive subsystem
Security control end command, self-destruction executive subsystem are only receiving and the consistent safety control of identity coding in its storage unit
End command processed can just make a response；
Iii. self-destruction executive subsystem will receive register instruction in closing self-destruction decision chip after receiving successful matching instruction
Function, and feed back the information that succeeds in registration, security control terminal receives succeed in registration feedback after, shown on human-computer interaction device
Show and succeed in registration, otherwise shows failure；Later, if self-destruction executive subsystem is connected to from the sending of the same security control terminal
Instruction is removed name from the rolls, then the control terminal identity coding and being again turned on for deleting storage is received the function of register instruction by self-destruction executive subsystem
Energy；
Iv. after successful registration, self-destruction executive subsystem starts waiting restarting for the security control terminal from successful matching
Instruction；
V. after restarting successfully, self-destruction executive subsystem judges whether to receive the command for stopping from security control terminal,
If received, return step i) otherwise starts to work normally.
Self-destruction of the invention is divided into three kinds of situations: commanding destruction, tolls breakdown and unload self-destruction and disengaging safety zone self-destruction；Above-mentioned feelings
There are priority for condition, command destruction highest priority, followed by toll breakdown and unload self-destruction, are finally to be detached from safety zone self-destruction.Instruction
Self-destruction refers to that self-destruction micro-system after being connected to the command-destruct from security control terminal, is immediately performed self-destruction；It tolls breakdown and unloads self-destruction again
It is divided into the system for unloading self-destruction and equipment experience forced interruption of tolling breakdown that structure experience is dismantled by force and powers off two class situation of self-destruction by force,
It is tolled breakdown for two classes and unloads situation, system needs to be immediately performed self-destruction；Being detached from safety zone self-destruction needs discriminatory analysis self-destruction to execute
Subsystem is detached from the reason of safety zone, to prevent self-destruction executive subsystem due to temporary caused by accidentalia, such as maloperation
When property is detached from the case where safety zone.
Self-destruction micro-system of the invention, when self-destruction decision chip judges that the storage chip of encapsulating housing is in normal condition
When, Miniature safety solution protects chip for miniature ignition chip short circuit, it is ensured that and miniature ignition chip keeps safe condition and misfires, because
And it can guarantee that storage chip is normally stored and read out function；When self-destruction decision chip receives command-destruct, or judgement
Storage chip is in encounter and toll breakdown when unloading or being detached from safety zone, when needing to be implemented self-destruction, by security control end to miniature
Safety solution protects chip and issues arm command, and the Miniature safety solution in parallel with a pair of of ignition electrode of miniature ignition chip is protected chip
Arming is disconnected, later, ignition control terminal issues instruction of being under fire to miniature ignition chip, and peak value is no more than 20V, miniature ignition
Electrocaloric effect occurs for chip, and temperature increases, the explosive in miniature blast cutting rope is ignited, by the recess of miniature blast cutting rope
It crushes, form energy-gathering jetting on the top of recess makes to store to cut storage chip along the direction of miniature blast cutting rope
The physical damnification of unrepairable occurs for chip, realizes the irretrievably destruction of information in storage chip.
Advantages of the present invention:
The present invention uses security control terminal and self-destruction executive subsystem, therebetween by wireless telecommunications, transmits mutually
Information simultaneously judges distance between the two；After system network consisting, security control terminal can be monitored in real time self-destruction and execute subsystem
It whether in a safe condition unites, and is sounded an alarm when unusual condition occurs in self-destruction executive subsystem, it is timely convenient for administrative staff
Check, reduce since system exception causes the unexpected directly self-destructed risk of self-destruction executive subsystem, improve security of system and
Reliability.Storage chip and miniature ignition chip package are in normal shape in an encapsulating housing, and in storage chip
When state, Miniature safety solution protects chip for miniature ignition chip short circuit, guarantees that miniature ignition chip is misfired；Security control terminal can
Directly to self-destruction executive subsystem send command-destruct perhaps self-destruction executive subsystem judgement need toll breakdown unload self-destruction when or
Judge that self-destruction executive subsystem is detached from safety zone and needs to be implemented disengaging safety zone self-destruction by signal strength between the two,
Self-destruction executive subsystem by security control end to Miniature safety solution protect chip issue arm command, by with miniature ignition chip
The Miniature safety solution of a pair of of ignition electrode parallel connection protects chip disconnection arming and causes miniature hair by ignition control terminal later
Fiery chip fever, ignites the explosive in miniature blast cutting rope, the recess of miniature blast cutting rope is crushed, on the top of recess
Energy-gathering jetting is formed, to cut storage chip along the direction of miniature blast cutting rope, makes storage chip that unrepairable occur
Physical damnification, realize storage chip in information irretrievably destruction.
Detailed description of the invention
Fig. 1 is the general diagram of the smart-cut destruct system of the invention based on wireless networking；
Fig. 2 is the composition block diagram of the smart-cut destruct system of the invention based on wireless networking, wherein (a) is safety
The block diagram of controlling terminal is (b) block diagram of self-destruction executive subsystem；
Fig. 3 is the cross section of the miniature blast cutting rope of the smart-cut destruct system of the invention based on wireless networking
Schematic diagram, wherein the cross section (a) be it is non-circular, it is tubaeform for being recessed；(b) cross section is circle, is recessed as arc-shaped；
Fig. 4 is the explosive view of one embodiment of the smart-cut destruct system of the invention based on wireless networking；
Fig. 5 is that the Miniature safety solution of the smart-cut destruct system of the invention based on wireless networking protects a reality of chip
Apply the explosive view of example；
Fig. 6 is the flow chart of the smart-cut self-destruction method of the invention based on wireless networking, wherein (a) is self-destruction execution
The flow chart of subsystem is (b) flow chart of security control terminal.
Specific embodiment
With reference to the accompanying drawing, by embodiment, the present invention will be further described.
As shown in Figure 1, a kind of smart-cut destruct system based on wireless networking of the invention includes: security control terminal
And self-destruction executive subsystem, the two constitute master-slave network by way of wireless networking, a security control terminal and more
A self-destruction executive subsystem carries out networking；It is strong by the signal of wireless telecommunications between security control terminal and self-destruction executive subsystem
It is weak, judge distance between the two, and set safety zone, security control terminal is located at the safety zone of entire destruct system
Center.
As shown in Fig. 2 (a), security control terminal includes control chip, control terminal wireless communication unit, human-computer interaction device
With control terminal power circuit, control terminal power supply is respectively connected to control chip, control terminal wireless communication unit and human-computer interaction dress
It sets, control chip connection control terminal wireless communication unit and human-computer interaction device.
As shown in figure 3, miniature blast cutting rope 9 is a kind of device that cutting power is generated under explosive driving effect, it is horizontal
The end face in section has recess 92；Explosive 93 is filled with inside the crust 91 of miniature blast cutting rope.In Fig. 3 (a), cross section is
Non-circular, it is tubaeform for being recessed；In Fig. 3 (b), cross section is circle, is recessed as arc-shaped.After ignition charge, by miniature explosion
The recess 92 of flexible linear shaped charge is crushed, and energy-gathering jetting is formed on the top of recess, to realize cutting function；Miniature blast cutting rope
The surface of recess face storage chip.
As shown in Fig. 2 (b) and Fig. 4, self-destruction executive subsystem include the execution layer circuit board A being encapsulated in encapsulating housing C,
Function layer circuit board B, anti-disassembling device and miniature blast cutting rope 9.Execute layer circuit board A on be arranged miniature ignition chip 1,
Miniature safety solution protects chip 2 and storage chip 0, and the pin on each chip is drawn by execution layer circuit board；Miniature blast cutting
Rope 9 is arranged on miniature ignition chip and storage chip, the surface of the recess face storage chip of miniature blast cutting rope；In function
Self-destruction decision chip 5, detonation capacitor 4 and mutual capacitance 3 can be set on layer circuit board B；In execution circuit plate A and functional layer circuit
Between plate B, pin contact pin D is set, pin corresponding between execution circuit plate and function layer circuit board is electrically connected.Detonation electricity
One end of appearance is connected by the power input of self-destruction end power circuit with the ignition control terminal in output control unit, is miniature
Energy needed for ignition chip provides detonation, other end ground connection；The offer self-destruction executive subsystem of mutual capacitance removes miniature ignition
Other all component devices can work normally the energy of several seconds outside chip, and one end of mutual capacitance passes through self-destruction end power circuit
Power output end in self-destruction decision chip the unit of power supply in need be connected, self-destruction executive subsystem lose it is outer
The energy of several seconds is provided in the case where portion's power supply, to guarantee that self-destruction executive subsystem completes self-destruction work；Self-destruction decision chip packet
Output control unit, storage unit, logic judgment unit, self-destruction end power circuit and self-destruction end wireless communication unit are included, it is each
The pin of structure is drawn by function layer circuit board；A pair of of the ignition electrode and Miniature safety solution of miniature ignition chip protect the one of chip
It is in parallel to security control electrode, and it is respectively connected to the ignition control terminal and ground terminal of output control unit, it is in storage chip
When normal condition, Miniature safety solution protects chip for miniature ignition chip short circuit；A pair of of solution that Miniature safety solution protects chip protects control
Electrode is respectively connected to security control end and the ground terminal of output control unit；Self-destruction end power circuit passes through power output end respectively
Be connected to output control unit, storage unit, logic judgment unit and the self-destruction end of mutual capacitance and self-destruction decision chip without
Line communication unit；External power is connected to self-destruction end power circuit by power input；Logic judgment unit is controlled with output respectively
Unit processed, storage unit are connected with self-destruction end wireless communication unit；The interior table of package casing is arranged in one end of anti-disassembling device
Face, the other end, which is tolled breakdown to unload by structure, judges that port is connected to logic judgment unit；Control terminal wireless communication unit and self-destruction end
Wireless communication unit is connected by wireless telecommunications.
As shown in figure 5, Miniature safety solution, which protects chip 2, uses solid electronic switch, solid electronic switch includes: electronic switch
Substrate 21, control bridge 22, insulating layer 23, wire bridge 24, passivation layer 25, metal interconnection 27,264 and of a pair of control bridge electrodes pads
A pair of wire bridge electrodes pads 263；Wherein, control bridge 22 is formed on substrate 21, including a pair of control bridge electrodes 221, and
Active region 222 connecting the two；Insulating layer 23 is covered in control bridge 22；On insulating layer 23 with a pair of control bridge of control bridge 22
The position of 221 face of electrode is provided with multiple through-holes 231, forms through-hole array；Wire bridge 24 is formed on insulating layer 23, including
A pair of wire bridge electrodes 241 and active region connecting the two 242；The shape of control bridge 22 and wire bridge 24 is symmetric graph
The symmetry axis of shape, the two is orthogonal, intersects at center, and a pair of wire bridge electrodes 241 are not weighed with a pair of control bridge electrodes 221
Folded, the active region 242 of wire bridge covers the active region of the active region 222 of control bridge；Passivation layer 25 is formed in wire bridge 24；?
In passivation layer 25, the place opposite with a pair of control bridge electrodes and a pair of wire bridge electrodes is provided with welding plate hole respectively, a pair of
Control bridge electrode pad and a pair of wire bridge electrodes pads are embedded in passivation layer 25 by welding plate hole respectively；Metal interconnection 27 passes through
A pair of control bridge electrodes 221 are electrically interconnected with a pair of control bridge electrodes pads 264 through-hole array on insulating layer respectively, and
It is solved as a pair and protects the extraction of coordination electrode 264；A pair of wire bridge electrodes 241 connect with a pair of wire bridge electrodes pads 263 respectively
Touching is formed and is electrically interconnected, and is drawn as a pair of of security control electrode 263.Since a pair of of security control electrode is connected in parallel on miniature hair
In a pair of of ignition electrode of fiery chip, therefore in the secure state, the wire bridge of connection is short-circuit by miniature ignition chip；In uneasiness
When needing arming under total state, electric detonation occurs for control bridge, causes the wire bridge being covered on it to disconnect, miniature ignition chip
Access security control end.In the present embodiment, the active region 222 of the control bridge shape narrow using the wide centre in both ends, including two shapes
The identical isosceles trapezoid of shape and a rectangle, two trapezoidal lesser bottom edges are opposite, and connection rectangle in centre is formed axisymmetric
Figure.The shape of the active region 222 of control bridge can also be rectangle, and of length no more than 40 μm, width is led between 2~40 μm
The shape of the active region 242 of line bridge is similar to the shape of the active region of control bridge.The thickness of insulating layer between 0.5 μm~2 μm,
For keeping the insulation between control bridge and wire bridge.Passivation layer is located at outermost layer, and material is using mutually compatible with CMOS technology
Insulation oxidation-resistant material prevents it to be oxidized for protecting solid electronic switch.
A kind of smart-cut self-destruction method based on wireless networking of the invention, as shown in Figure 6, comprising the following steps:
1) self-destruction executive subsystem and security control terminal network consisting:
I. security control terminal issues control terminal identity coding and register instruction；
Ii. the self-destruction decision chip of self-destruction executive subsystem receives control terminal after control terminal identity coding and register instruction
Identity coding is stored in a storage unit, and the subsystem identity coding in storage unit is sent to security control terminal, peace
Full controlling terminal records subsystem identity coding, is simultaneously emitted by the instruction of successful matching, the pulse letter sent after successful match
Number, in self-destruction signal and Restart Signal include control terminal identity coding and subsystem identity coding information, to realize safety
Controlling terminal only obeys from successful matching the independent control and self-destruction executive subsystem of each self-destruction executive subsystem
Security control end command, self-destruction executive subsystem are only receiving and the consistent safety control of identity coding in its storage unit
End command processed can just make a response；
Iii. self-destruction executive subsystem will receive register instruction in closing self-destruction decision chip after receiving successful matching instruction
Function, and feed back the information that succeeds in registration, security control terminal receives succeed in registration feedback after, shown on human-computer interaction device
Show and succeed in registration, otherwise shows failure；Later, if self-destruction executive subsystem is connected to from the sending of the same security control terminal
Instruction is removed name from the rolls, then the control terminal identity coding and being again turned on for deleting storage is received the function of register instruction by self-destruction executive subsystem
Energy；
Iv. after successful registration, self-destruction executive subsystem starts waiting restarting for the security control terminal from successful matching
Instruction；
V. after restarting successfully, self-destruction executive subsystem judges whether to receive the command for stopping from security control terminal,
If received, return step i) otherwise starts to work normally.
2) the self-destruction decision chip of self-destruction executive subsystem judges whether to receive refers to from the self-destruction of security control terminal
It enables, enters step 6) if received, entered step 3) if do not received；
3) self-destruction decision chip enters and tolls breakdown and unloads judgement process, tolls breakdown to unload judgement and be divided into structure and toll breakdown and unloads judgement and system is strong
Power-off judgement:
C) structure, which is tolled breakdown, unloads judgement:
Self-destruction decision chip whether tolled breakdown by structure unload judge port receive tolled breakdown come self-structure unload judging unit hair
Signal is unloaded in tolling breakdown for sending, if received, self-destruction decision chip decision structure, which is tolled breakdown, to be unloaded, and enters step 6), if do not received, into
Enter step 4)；
D) system powers off by force judgement:
Whether self-destruction decision chip is powered off by force by system judges that port receives come the comparator of self-destruction end power circuit
Logical value negate signal, if received, self-destruction decision chip judges that system powers off by force, enter step 6), if do not received,
It enters step 4)；
4) the control chip of security control terminal periodically sends pulse signal to self-destruction executive subsystem, and self-destruction executes
If subsystem does not receive pulse signal, enter step 6), if received, enters step 5)；
5) security control terminal and self-destruction executive subsystem judge that security control terminal is held with self-destruction according to the power of signal
The distance between row subsystem:
E) signal strength between control terminal wireless communication unit and self-destruction end wireless communication unit is greater than alert threshold, recognizes
It is located at safety zone, return step 2 for self-destruction executive subsystem)；
F) when signal strength is less than alert threshold and is greater than self-destruction threshold value, it is believed that self-destruction executive subsystem is located at alert zone
Domain, security control terminal and self-destruction executive subsystem are simultaneously emitted by alarm, and enter countdown self-destruction, if terminating in countdown
Before, signal strength is greater than alert threshold, then it is assumed that self-destruction executive subsystem returns to safety zone, return step 2), if falling to count
When terminate before, signal strength still is less than alert threshold, enter step 6)；
G) when signal strength is less than self-destruction threshold value, it is believed that self-destruction executive subsystem is entered step departing from safety zone
6)；
H) when self-destruction executive subsystem and security control terminal are out of touch suddenly, i.e., self-destruction executive subsystem receives not
To the signal of security control terminal, 6) self-destruction executive subsystem countdown enters step after countdown；
6) self-destruction decision chip issues arm command, controls Miniature safety solution by security control end and protects chip disconnection releasing
Insurance, then issues command-destruct, controls miniature ignition chip by ignition control terminal and electrocaloric effect occurs, temperature increases；
7) explosive in miniature blast cutting rope is ignited, the recess of miniature blast cutting rope is crushed, on the top of recess
Energy-gathering jetting is formed, to cut storage chip along the direction of miniature blast cutting rope, repairs storage chip generation not
Physical damnification realizes the irretrievably destruction of information in storage chip.
It is finally noted that the purpose for publicizing and implementing mode is to help to further understand the present invention, but ability
The technical staff in domain is understood that without departing from the spirit and scope of the invention and the appended claims, various replacements and
Modification is all possible.Therefore, the present invention should not be limited to embodiment disclosure of that, the scope of protection of present invention with
Subject to the range that claims define.
Claims (9)
1. a kind of smart-cut destruct system based on wireless networking, which is characterized in that the smart-cut destruct system includes:
Security control terminal and self-destruction executive subsystem, the two constitute master-slave network, a safety by way of wireless networking
Controlling terminal and multiple self-destruction executive subsystems carry out networking；By wireless between security control terminal and self-destruction executive subsystem
The signal strength or weakness of communication judges distance between the two, and sets safety zone, and security control terminal is located at entire smart-cut
The center of the safety zone of destruct system；Wherein, the security control terminal includes control chip, control terminal wireless telecommunications list
Member, human-computer interaction device and control terminal power circuit, control terminal power circuit are respectively connected to control chip, control terminal channel radio
Interrogate unit and human-computer interaction device, control chip connection control terminal wireless communication unit and human-computer interaction device；The self-destruction is held
Row subsystem includes being encapsulated in the intracorporal execution layer circuit board of encapsulating shell, function layer circuit board, anti-disassembling device and miniature explosion
Flexible linear shaped charge；Miniature ignition chip is set on executing layer circuit board, Miniature safety solution protects chip and storage chip, each pin by
Layer circuit board is executed to draw；Miniature blast cutting rope is arranged on miniature ignition chip and storage chip, miniature blast cutting rope
Recess face storage chip surface；Self-destruction decision chip, detonation capacitor and mutual capacitance are set on function layer circuit board,
Each pin is drawn by function layer circuit board；One end of detonation capacitor is by the power input of self-destruction end power circuit through self-destruction
It is connected with power output end with the ignition control terminal in output control unit inside the power circuit of end, is provided for miniature ignition chip
Energy needed for detonation, other end ground connection；Power output end and self-destruction of the one end of mutual capacitance by self-destruction end power circuit
In decision chip power supply in need unit be connected, self-destruction executive subsystem lose external power supply in the case where, provide
Self-destruction executive subsystem is set to complete the energy of self-destruction work；Self-destruction decision chip includes output control unit, storage unit, logic
Judging unit, structure, which are tolled breakdown, unloads judging unit, self-destruction end power circuit and self-destruction end wireless communication unit；Miniature ignition chip
A pair of of ignition electrode is in parallel with Miniature safety solution guarantor's a pair of of security control electrode of chip, and is respectively connected to output control unit
Ignition control terminal and ground terminal, when storage chip is in normal condition, Miniature safety solution protect chip miniature ignition chip is short
Road；A pair of of solution that Miniature safety solution protects chip protects security control end and ground that coordination electrode is respectively connected to output control unit
End；Self-destruction end power circuit passes through power output end respectively and is connected to mutual capacitance and the output of self-destruction decision chip control list
Member, storage unit, logic judgment unit and self-destruction end wireless communication unit；External power is connected to self-destruction end by power input
Power circuit；Logic judgment unit tolled breakdown respectively with output control unit, storage unit, structure unload judging unit and self-destruction end without
The connection of line communication unit；The inner surface of package casing is arranged in one end of anti-disassembling device, and the other end, which is tolled breakdown to unload by structure, to be sentenced
The structure that disconnected unit is connected to logic judgment unit, which tolls breakdown to unload, judges port；Control terminal wireless communication unit and self-destruction end channel radio
Unit is interrogated to connect by wireless telecommunications；When security control terminal transmission command-destruct or the judgement of self-destruction decision chip encounter by force
Disassembly is needed to be implemented to toll breakdown to unload self-destruction or be detached from safety zone and be needed to be implemented when being detached from safety zone self-destruction, and self-destruction decision chip is logical
The security control end control Miniature safety solution for crossing output control unit protects chip arming, and is issued by ignition control terminal
It is under fire and instructs, the electric energy in the capacitor that detonates forms electricity through self-destruction end power circuit, output control unit and miniature ignition chip
Electrical circuit is received, is discharged rapidly by miniature ignition chip, causes miniature ignition chip to generate heat, ignites in miniature blast cutting rope
Explosive, to storage chip be cut along the direction of miniature blast cutting rope, to realize the self-destruction of storage chip.
2. smart-cut destruct system as described in claim 1, which is characterized in that be provided with contact pin on executing layer circuit board
Each pin of the miniature ignition chip executed on layer circuit board, Miniature safety solution guarantor chip and storage chip will be arranged in hole
It draws；Pin holes are provided on function layer circuit board, by the self-destruction decision chip being arranged on function layer circuit board, detonation electricity
Hold and each pin of mutual capacitance is drawn；Between execution circuit plate and function layer circuit board, setting corresponding with pin holes
Pin corresponding between execution circuit plate and function layer circuit board is electrically connected by pin contact pin.
3. smart-cut destruct system as described in claim 1, which is characterized in that the miniature ignition chip uses electrical fire work
Product；Electric initiating explosive device includes two ignition electrodes and the zone of action, and two ignition electrodes are located at the both ends of the zone of action, respectively
It is connected to the ignition control terminal and ground terminal of self-destruction decision chip.
4. smart-cut destruct system as described in claim 1, which is characterized in that the Miniature safety solution protect chip use by
The solid electronic switch that normal open is converted to normally off state；The solid electronic switch includes: control bridge and wire bridge and the two
Between insulating layer；Wherein, control bridge include both ends electrode and active region connecting the two, the both ends of control bridge are as one
Security control end and the ground terminal that coordination electrode is respectively connected to self-destruction decision chip are protected to solution；Wire bridge include the electrode at both ends with
And active region connecting the two, the both ends of wire bridge are connected in parallel on a pair of of hair of miniature ignition chip as a pair of of security control electrode
Thermoelectricity extremely on；The active region of the active region covering control bridge of wire bridge.
5. smart-cut destruct system as described in claim 1, which is characterized in that the self-destruction decision chip includes: logic
Judging unit, structure, which are tolled breakdown, unloads judging unit, storage unit, output control unit, self-destruction end wireless communication unit and self-destruction end
Power circuit；Wherein, logic judgment unit receives the information of self-destruction end wireless communication unit, and according to being stored in a storage unit
Instruction judge whether current time needs to be implemented self-destruction, if not needing, attonity, if desired then logic judgment unit to defeated
Control unit successively sends arm command and command-destruct out；Storage unit is used to store instructions decision-making process and self-destruction is held
The subsystem identity coding of row subsystem, each self-destruction executive subsystem have a unique identity code；Output control is single
Member receives arm command and command-destruct from logic judgment unit, and controls Miniature safety solution by security control end respectively
It protects chip and disconnects arming, and miniature ignition chip fever is controlled to execute self-destruction by ignition control terminal.
6. smart-cut destruct system as described in claim 1, which is characterized in that the miniature blast cutting rope cross section
End face has recess；There is round and non-circular two class in the cross section of miniature blast cutting rope, and the shape of recess is the recessed of arc-shaped
Sunken or tubaeform recess；Explosive is filled with inside the crust of miniature blast cutting rope.
7. smart-cut destruct system as described in claim 1, which is characterized in that the self-destruction end of the self-destruction executive subsystem
Power circuit includes: power input, power supply change-over device and comparator；Wherein, power input introduces external power supply；Through electricity
After supply changeover device conversion, pass through self-destruction end channel radio of the output port of power source into mutual capacitance and self-destruction executive subsystem
It interrogates unit, logic judgment unit and storage unit and operating voltage is provided；The output end of power input and power supply change-over device point
It is not connected to the input terminal of comparator, the system that the output end of comparator is connected to logic judgment unit, which powers off by force, judges port.
8. a kind of smart-cut self-destruction method based on wireless networking, which is characterized in that security control terminal and self-destruction execute
Subsystem constitutes master-slave network, a security control terminal and multiple self-destruction executive subsystems by way of wireless networking
Carry out networking；By the signal strength or weakness of wireless telecommunications between security control terminal and self-destruction executive subsystem, judgement is between the two
Distance, and set safety zone, security control terminal is located at the center of the safety zone of entire destruct system, and the intelligence is cut
Cut self-destruction method the following steps are included:
1) self-destruction executive subsystem and security control terminal network consisting；
2) the self-destruction decision chip of self-destruction executive subsystem judges whether to receive the command-destruct from security control terminal, such as
6) fruit, which receives, to be entered step, enter step 3) if do not received；
3) self-destruction decision chip enters and tolls breakdown and unloads judgement process, tolls breakdown to unload judgement and be divided into structure and toll breakdown and unloads judgement and system powers off by force
Judgement:
A) structure, which is tolled breakdown, unloads judgement:
Self-destruction decision chip whether tolled breakdown by structure unload judge port receive tolled breakdown come self-structure unload judging unit transmission
It tolls breakdown and unloads signal, if received, self-destruction decision chip decision structure, which is tolled breakdown, to be unloaded, and is entered step 6), if do not received, into step
It is rapid 4)；
B) system powers off by force judgement:
Whether self-destruction decision chip is powered off by force by system judges that port receives patrolling come the comparator of self-destruction end power circuit
It collects value and negates signal, if received, self-destruction decision chip judges that system powers off by force, enters step 6), if do not received, enters
Step 4)；
4) the control chip of security control terminal periodically sends pulse signal to self-destruction executive subsystem, and self-destruction executes subsystem
If system does not receive pulse signal, enters step 6), if received, enter step 5)；
5) security control terminal and self-destruction executive subsystem judge that security control terminal and self-destruction execute son according to the power of signal
The distance between system:
A) signal strength between control terminal wireless communication unit and self-destruction end wireless communication unit is greater than alert threshold, it is believed that from
It ruins executive subsystem and is located at safety zone, return step 2)；
B) when signal strength is less than alert threshold and is greater than self-destruction threshold value, it is believed that self-destruction executive subsystem is located at alarm region,
Security control terminal and self-destruction executive subsystem are simultaneously emitted by alarm, and enter countdown self-destruction, if before countdown terminates, letter
Number intensity is greater than alert threshold, then it is assumed that self-destruction executive subsystem returns to safety zone, return step 2),
If signal strength is still less than alert threshold before countdown terminates, enter step 6)；
C) when signal strength is less than self-destruction threshold value, it is believed that 6) self-destruction executive subsystem is entered step departing from safety zone；
D) when self-destruction executive subsystem and security control terminal are out of touch suddenly, i.e., self-destruction executive subsystem does not receive peace
6) signal of full controlling terminal, self-destruction executive subsystem countdown enter step after countdown；
6) self-destruction decision chip issues arm command, controls the guarantor's chip disconnection releasing of Miniature safety solution by security control end and protects
Danger, then issues command-destruct, controls miniature ignition chip by ignition control terminal and electrocaloric effect occurs, temperature increases；
7) explosive in miniature blast cutting rope is ignited, the recess of miniature blast cutting rope is crushed, is formed on the top of recess
Energy-gathering jetting, to cut storage chip along the direction of miniature blast cutting rope, information can not be extensive in realization storage chip
It destroys again.
9. smart-cut self-destruction method as claimed in claim 8, which is characterized in that in step 1), self-destruction executive subsystem
With security control terminal network consisting, comprising the following steps:
I. security control terminal issues control terminal identity coding and register instruction；
Ii. the self-destruction decision chip of self-destruction executive subsystem receives control terminal identity after control terminal identity coding and register instruction
Subsystem identity coding in storage unit in the memory unit, and is sent to security control terminal by code storage, and safety is controlled
Terminal processed records subsystem identity coding, is simultaneously emitted by the instruction of successful matching, the pulse signal sent after successful match, from
Ruining in signal and Restart Signal includes control terminal identity coding and subsystem identity coding information, to realize security control end
Only is obeyed to the independent control and self-destruction executive subsystem of each self-destruction executive subsystem by the safety control from successful matching for end
End command processed, self-destruction executive subsystem are only receiving and the consistent security control terminal of identity coding in its storage unit
Instruction can just make a response；
Iii. self-destruction executive subsystem will close in self-destruction decision chip the function for receiving register instruction after receiving successful matching instruction
Can, and feed back the information that succeeds in registration, security control terminal receives succeed in registration feedback after, note is shown on human-computer interaction device
Volume success, otherwise shows failure；Later, it is removed name from the rolls if self-destruction executive subsystem is connected to from what the same security control terminal issued
Instruction, then the control terminal identity coding and being again turned on for deleting storage is received the function of register instruction by self-destruction executive subsystem；
Iv. after successful registration, self-destruction executive subsystem starts waiting the instruction of restarting of the security control terminal from successful matching；
V. after restarting successfully, self-destruction executive subsystem judges whether to receive the command for stopping from security control terminal, if
It receives, then return step i), otherwise starts to work normally.
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