CN111046446A - Computer with hard disk data self-destruction function - Google Patents
Computer with hard disk data self-destruction function Download PDFInfo
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- CN111046446A CN111046446A CN201911015188.6A CN201911015188A CN111046446A CN 111046446 A CN111046446 A CN 111046446A CN 201911015188 A CN201911015188 A CN 201911015188A CN 111046446 A CN111046446 A CN 111046446A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/80—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in storage media based on magnetic or optical technology, e.g. disks with sectors
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- General Engineering & Computer Science (AREA)
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Abstract
The invention provides a computer with a hard disk data self-destruction function, which comprises a power supply module, an embedded controller, a self-destruction triggering circuit module, a self-destruction hard disk module interface and a hard disk, wherein the power supply module is connected with the embedded controller, the embedded controller is respectively connected with the self-destruction triggering circuit module and the self-destruction hard disk module interface, the input end of the self-destruction hard disk module interface is connected with the embedded controller, the output end of the self-destruction hard disk module interface is connected with the hard disk, and the embedded controller controls the data in the hard disk to be self-destroyed through the self-destruction hard disk module interface by detecting the state of the self-destruction triggering circuit module. The invention has the beneficial effects that: the invention adopts the self-destroying hard disk module interface and the self-destroying triggering circuit module, can realize the data self-destroying of the active and passive triggering hard disks, and prevents other people from removing the equipment due to logging in the equipment and acquiring the hard disk for decryption under the condition of equipment loss.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a computer with a hard disk data self-destruction function.
Background
Along with the development of science and technology, the current reinforced flat plate and notebook have high working stability, do not stop the work for a long time, are explosion-proof, waterproof and dustproof, and can stably work even under the condition of extremely high and low temperature, but still have considerable weakness in the aspect of data security, and especially for movable equipment such as flat plates, notebooks and the like, once robbed or stolen, the leakage of data is meant.
Disclosure of Invention
The invention provides a computer with a hard disk data self-destruction function, which comprises a power supply module, an embedded controller, a self-destruction triggering circuit module and a self-destruction hard disk module, wherein the self-destruction hard disk module comprises a self-destruction hard disk module interface and a hard disk, the power supply module is connected with the embedded controller, the embedded controller is respectively connected with the self-destruction triggering circuit module and the self-destruction hard disk module interface, the input end of the self-destruction hard disk module interface is connected with the embedded controller, the output end of the self-destruction hard disk module interface is connected with the hard disk, and the embedded controller controls the data in the hard disk to be self-destroyed through the self-destruction hard disk module interface by detecting the state of the self-destruction triggering circuit module.
As a further improvement of the invention, the self-destruction triggering circuit module comprises a dismantling trigger button which is an elastic switch, and the elastic switch is pressed by a computer rear shell and can be bounced off when dismantling the computer; when the elastic switch is pressed down, the embedded controller cannot detect a trigger signal, so that the self-destruction of data in the hard disk cannot be started; when the elastic switch is bounced off, the embedded controller detects a trigger signal, the power supply of the hard disk is turned on, and meanwhile, the embedded controller outputs a low level for more than 1 second to the self-destruction hard disk module interface, so that the data self-destruction of the hard disk is triggered.
As a further improvement of the present invention, the self-destruct trigger circuit module further includes a manual trigger button, the manual trigger button is a manual self-destruct function button, when the manual self-destruct function button is pressed, the embedded controller detects a trigger signal, and the embedded controller outputs a low level for more than 1 second to the self-destruct hard disk module interface, thereby triggering the data self-destruction of the hard disk.
As a further improvement of the invention, the power supply module can supply power to the embedded controller and the hard disk under the condition of switching on or switching off the computer, thereby ensuring that the embedded controller and the hard disk can normally run under the state of starting up and shutting down.
As a further improvement of the invention, the computer also comprises a CPU and a TPM security chip module, wherein the CPU is respectively connected with the embedded controller and the TPM security chip module.
As a further improvement of the present invention, the embedded controller communicates with the CPU through an LPC interface, detects the state of the self-destruction function trigger circuit module, and when the computer is removed, the elastic switch is flipped open, and the power supply module is triggered to supply power to the hard disk regardless of whether the computer is turned on or turned off, and then the embedded controller outputs a low level for more than 1 second to the self-destruction hard disk module interface, thereby triggering the self-destruction of data of the hard disk.
As a further improvement of the invention, the TPM security chip module can be matched with software to store and manage BIOS startup password and hard disk password, encrypt the hard disk, and encrypt system login and application software login.
As a further improvement of the present invention, the embedded controller can detect the state of the self-destruction trigger circuit module, detect the states of the manual trigger button and the power-off trigger button when the hard disk drive is powered on, detect the state of the power-off trigger button when the hard disk drive is powered off, and then control the self-destruction function of the self-destruction hard disk drive module.
As a further improvement of the present invention, the computer is a ruggedized computer.
The invention has the beneficial effects that: the invention adopts the self-destroying hard disk module interface and the self-destroying triggering circuit module, can realize the data self-destroying of the active and passive triggering hard disks, the active is to trigger the manual self-destroying function button artificially under the urgent condition, the passive is to trigger the hard disk data destroying function by bouncing the elastic switch when the machine is dismounted, and under the condition that the equipment is lost, the equipment is prevented from being dismounted because other people can not log on the equipment, and the hard disk is obtained for decryption.
Drawings
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a circuit diagram of the power module of the present invention;
FIG. 3 is a circuit diagram of the embedded controller of the present invention;
FIG. 4 is a circuit diagram of a self-destruct trigger line module in an auto-trigger state;
FIG. 5 is a circuit diagram of a self-destruct trigger line module in a manual trigger state;
FIG. 6 is a circuit diagram of a self-destruct hard disk module interface;
FIG. 7 is a circuit diagram of a TPM security chip module.
Detailed Description
As shown in FIG. 1, the present invention discloses a computer with hard disk data self-destruction function, which comprises a power supply module, an embedded controller, a CPU, a TPM security chip module, a self-destruction trigger circuit module, and a self-destruction hard disk module, wherein the self-destruction hard disk module comprises a self-destruction hard disk module interface and a hard disk, the power supply module is connected with the embedded controller, the embedded controller is respectively connected with the self-destruction triggering circuit module and the self-destruction hard disk module interface, the input end of the self-destroying hard disk module interface is connected with the embedded controller, the output end of the self-destroying hard disk module interface is connected with the hard disk, the embedded controller controls the data in the hard disk to self-destroy through the self-destroying hard disk module interface by detecting the state of the self-destroying trigger circuit module, and the CPU is respectively connected with the embedded controller and the TPM security chip module.
The power supply module adopts a DC-DC mode, U6 supports a light load power saving mode, and a 3.3V voltage is converted by a battery power supply to ensure that an Embedded Controller (EC) can normally work under the shutdown condition, as shown in figure 2; u7 is a power switch that opens a path to power the hard disk when it is powered on. Under the condition of switching on or switching off the computer, the power supply module can supply power to the embedded controller and the hard disk, so that the Embedded Controller (EC) and the hard disk can be ensured to normally run in the states of starting up and shutting down.
The Embedded Controller (EC) circuit is shown in fig. 3, the Embedded Controller (EC) U9 communicates with the CPU through an LPC interface, on the other hand, the state of the circuit module is triggered by the self-destruction function through GPC4_3, when the machine is disconnected, the power supply module is triggered to supply power to the hard disk regardless of the power-on or power-off of the machine, and then the Embedded Controller (EC) U9 outputs a low level for more than 1 second through GPC6_3 to the interface of the self-destruction hard disk module, thereby triggering the self-destruction of data of the hard disk.
The self-destruction trigger circuit module comprises an automatic trigger state and a manual trigger state, the circuit of the self-destruction trigger circuit module in the automatic trigger state is shown in fig. 4, J1 is an elastic switch, and the self-destruction trigger circuit module is pressed by a machine rear shell when the self-destruction trigger circuit module is installed and can be bounced off when the self-destruction trigger circuit module is removed. When J1 is pressed down, the G pole of Q30 is pulled low, Q30 is not conducted, and BUTTOM6# is high, thus not triggering self-destruction action. When the J1 is flipped open, G of Q30 is high, Q30 is turned on, button 6# is pulled low, and when the Embedded Controller (EC) detects a trigger signal, the power supply of the hard disk is turned on. Meanwhile, the embedded controller outputs a low level for more than 1 second to a self-destruction hard disk module interface through GPC6_3, so that the data self-destruction of the hard disk is triggered.
The circuit of the self-destruction triggering circuit module in the manual triggering state is shown in fig. 5, wherein K1 is a manual self-destruction function button, and if an emergency situation occurs, the K1 can be directly and manually pressed for triggering.
As shown in fig. 6, the interface circuit of the self-destruct hard disk module is CN4 is an m.2 interface through which the motherboard is connected with the interface of the self-destruct hard disk module, and PIN38 is a trigger PIN of the self-destruct function of the hard disk, and is triggered by GPC6_3 of the Embedded Controller (EC).
The power supply module ensures that the Embedded Controller (EC) can normally work under the shutdown condition, the Embedded Controller (EC) can detect the state of the self-destruction trigger circuit module, the manual trigger button and the power-off trigger button under the startup condition, and the power-off trigger button state can be detected under the shutdown condition, and then the self-destruction function of the self-destruction hard disk module is controlled.
As shown in fig. 7, the TPM security chip module is configured such that the U8 communicates with the CPU through the LPC interface, and then, in cooperation with software, stores and manages BIOS boot passwords and hard disk passwords, encrypts the hard disk, and encrypts system login and application software login. The TPM security chip module can be matched with special software to store and manage BIOS startup password and hard disk password, encrypt the hard disk, and encrypt system login and application software login.
The invention can store and manage BIOS startup password and hard disk password by matching the TPM security chip module with special software; the TPM security chip module can encrypt system login and application software login except for traditional startup encryption and hard disk encryption, and therefore security is greatly improved.
The invention adopts the self-destroying hard disk module interface and the self-destroying triggering circuit module, can realize the data self-destroying of the active and passive triggering hard disks, the active is to trigger the manual self-destroying function button artificially under the urgent condition, the passive is to trigger the hard disk data destroying function by the elastic switch flicking when the machine is dismounted, under the condition that the equipment is lost, the other people can be prevented from dismounting the equipment because the equipment is not logged on, the hard disk is obtained for decryption, and the secrecy requirement of the user of the equipment can be improved effectively voluntarily.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. A computer with hard disk data self-destruction function is characterized in that: the self-destruction hard disk module comprises a power supply module, an embedded controller, a self-destruction triggering circuit module and a self-destruction hard disk module, wherein the self-destruction hard disk module comprises a self-destruction hard disk module interface and a hard disk, the power supply module is connected with the embedded controller, the embedded controller is respectively connected with the self-destruction triggering circuit module and the self-destruction hard disk module interface, the self-destruction hard disk module interface input end is connected with the embedded controller, the self-destruction hard disk module interface output end is connected with the hard disk, and the embedded controller controls data in the hard disk to be self-destroyed through the self-destruction hard disk module interface by detecting the state of the self-destruction triggering circuit module.
2. The computer of claim 1, wherein: the self-destruction trigger circuit module comprises a disassembly trigger button, the disassembly trigger button is an elastic switch, and the elastic switch is pressed by a computer rear shell and can be bounced off when the disassembly is carried out; when the elastic switch is pressed down, the embedded controller cannot detect a trigger signal, so that the self-destruction of data in the hard disk cannot be started; when the elastic switch is bounced off, the embedded controller detects a trigger signal, the power supply of the hard disk is turned on, and meanwhile, the embedded controller outputs a low level for more than 1 second to the self-destruction hard disk module interface, so that the data self-destruction of the hard disk is triggered.
3. The computer of claim 2, wherein: the self-destruction trigger circuit module further comprises a manual trigger button, the manual trigger button is a manual self-destruction function button, when the manual self-destruction function button is pressed down, the embedded controller detects a trigger signal, and the embedded controller outputs a low level for more than 1 second to the self-destruction hard disk module interface, so that the data self-destruction of the hard disk is triggered.
4. The computer of claim 1, wherein: under the condition of switching on or switching off the computer, the power supply module can supply power to the embedded controller and the hard disk, so that the embedded controller and the hard disk can be ensured to normally run in the states of starting and shutdown.
5. The computer of claim 2, wherein: the computer also comprises a CPU and a TPM security chip module, wherein the CPU is respectively connected with the embedded controller and the TPM security chip module.
6. The computer of claim 5, wherein: the embedded controller is communicated with the CPU through an LPC interface, detects the state of the self-destruction function trigger circuit module, when the computer is dismounted, the elastic switch is bounced off, the power supply module is triggered to supply power to the hard disk no matter the computer is started or shut down, and then the embedded controller outputs a low level for more than 1 second to the self-destruction hard disk module interface, so that the data self-destruction of the hard disk is triggered.
7. The computer of claim 5, wherein: the TPM security chip module can be matched with software to store and manage BIOS startup password and hard disk password, encrypt the hard disk, and encrypt system login and application software login.
8. The computer of claim 3, wherein: the embedded controller can detect the state of the self-destruction trigger circuit module, can detect the states of the manual trigger button and the disassembly trigger button under the startup condition, can detect the state of the disassembly trigger button under the shutdown condition, and then controls the self-destruction function of the self-destruction hard disk module.
9. The computer of claim 1, wherein: the computer is a ruggedized computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911015188.6A CN111046446A (en) | 2019-10-24 | 2019-10-24 | Computer with hard disk data self-destruction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911015188.6A CN111046446A (en) | 2019-10-24 | 2019-10-24 | Computer with hard disk data self-destruction function |
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| CN111046446A true CN111046446A (en) | 2020-04-21 |
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| CN201911015188.6A Pending CN111046446A (en) | 2019-10-24 | 2019-10-24 | Computer with hard disk data self-destruction function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138901A (en) * | 2021-04-27 | 2021-07-20 | 山东英信计算机技术有限公司 | Server uncovering detection method and system |
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Application publication date: 20200421 |
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