CN104123513A - Machine-mounted high-speed large-capacity data storage system with self-destruction function and self-destruction method - Google Patents
Machine-mounted high-speed large-capacity data storage system with self-destruction function and self-destruction method Download PDFInfo
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- CN104123513A CN104123513A CN201410366037.6A CN201410366037A CN104123513A CN 104123513 A CN104123513 A CN 104123513A CN 201410366037 A CN201410366037 A CN 201410366037A CN 104123513 A CN104123513 A CN 104123513A
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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
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Abstract
The invention discloses a machine-mounted high-speed large-capacity data storage system with a self-destruction function. The machine-mounted high-speed large-capacity data storage system with the self-destruction function comprises a CPU controller, a NAND, a Flash storage array and a key destruction module. The key destruction module comprises an energy storage module, a boosting module and a programming control module. Energy storage amplification is conducted through the key destruction energy imposed by the energy storage module in the key destruction module on an external interface, the energy is released to the system in a high voltage pulse mode one by one through programming control and is used for storing electricity pins of a NandFlash chip of a secret key, the active area inside the chip can be burned and punctured by the instantaneous high voltage pulse, chip wafer crack can occur in the burning process, thus, the NandFlash data cannot be restored, and the function of protecting the machine-mounted secret key is achieved.
Description
Technical field
The present invention relates to technical field of data storage, particularly a kind of data-storage system with self-destroying function.
Background technology
Along with the fast development of electronics technology, data storage technology has also had rapid progress.The development of high-speed high capacity data storage technology consists of the development of the medium of storing and storage system two aspects.Storage medium integrated level improves constantly at present, the order of magnitude of data storages from before MByte to GByte, even rise to TByte. in all storage mediums, NAND FLASH Memory obtains a wide range of applications in high-speed high capacity storage system with its exclusive large capacity feature.The storage system of NAND Flash has the advantages such as reliability is high, environmental suitability is strong, volume is little, lightweight.IEEE 1394 buses are usually used in the data bus of Large Volume Data transmission in mobile system, and it has risen to 800Mbps by the speed of data transmission in avionics system.
The safety of on-board data is also a study hotspot in current aeronautical technology field, a large amount of airborne sensitive datas in large-capacity storage media, have been stored, when particular surroundings, the Safety destroy of data, prevents from being recovered to obtain by other people a large difficult point that becomes field of data storage.Self-destruction mode is divided into two kinds: softly ruin and firmly ruin.Soft ruining takes the mode of software erase to know the data in storage medium, and which, due to storage medium itself, can be recovered the data of storage before by data recovery technique.And the mode of ruining adopts the mode that electric current burns firmly, be relatively reliable at present, but the low time of key signal energy of ruining providing under airborne circumstance is short, also very imperfect at technical elements, be difficult to really realize the destruction of data in storage medium.
Summary of the invention
For the deficiencies in the prior art; goal of the invention of the present invention is to provide a kind of onboard high-speed Mass Digital Storage System with self-destroying function; by physics self-destruction, solve traditional ruining in key process and cannot conscientiously destroy the data in storage medium, thereby played the effect of protection on-board data.
Goal of the invention of the present invention is achieved through the following technical solutions:
With an onboard high-speed Mass Digital Storage System for self-destroying function, comprise cpu controller, NAND Flash storage array, it is characterized in that also comprising and ruin key module, described in ruin key module and comprise energy-storage module, boost module, programming Control module;
Described boost module is ruined the amplification of boosting of key signal for the key order of ruining of sending according to cpu controller by what ruin that key interface brings;
Described energy-storage module carries out reserves formation high-voltage pulse signal for the key signal of ruining to after boosting;
Described programming Control module is burnt for electricity ground pin high-voltage pulse signal being discharged into one by one on the NAND Flash storage array that has secret key.The high-voltage pulse of moment can cause that chip internal active area is burnt and puncture, and in the process of burning, can cause chip die cracking, thereby reach NandFlash data, cannot recover, and protects the effect of airborne secret key.
The self-destruction method that another object of the present invention is to provide a kind of onboard high-speed Mass Digital Storage System, comprises following steps:
A) cpu controller sends and ruins key signal enabling and ruin key program;
B) will ruin the amplification of boosting of key signal;
C) the key signal of ruining boosting is carried out to reserves formation high-voltage pulse signal;
D) high-voltage pulse signal is discharged into one by one on the electricity ground pin on the NAND Flash storage array that has secret key and burns.
Further, also comprise following steps:
E) after data have been burnt, cpu controller is closed external interface voluntarily, prevents that NAND Flash chip from playing other device short circuits at the short-and-medium pass of the process of burning.
Compared with prior art, beneficial effect of the present invention is: the present invention proposes the on-board data high-speed high capacity data-storage system with self-destroying function in conjunction with 800Mbps IEEE1394, NandFlash memory technology and physics self-destruction.In actual airborne memory device, reliability and the data security aspect of data storage have improved a grade, have solved traditional ruining in key process and cannot conscientiously destroy the data in storage medium, thereby played the effect of protection on-board data.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention.
Fig. 2 is the structural representation of self-destruction module in the present invention.
Embodiment
Provide a kind of embodiments of the present invention and step below.
As shown in Figure 1, the present invention is usingd IEEE1394b bus as data interaction bus, inner through cpu controller, SATA controller, NAND Flash controller, by data storage or read in NAND Flash storage array, ruin key module and be directly cross-linked with NAND Flash storage array.As shown in Figure 2, ruin key module and comprise energy-storage module, boost module, programming Control module, when receive that cpu controller sends ruin key order time, ruin boost module in key module and ruin the amplification of boosting of key signal by what ruin that key interface brings, energy-storage module stores formation high-voltage pulse signal to the key signal of ruining after boosting, and the electricity ground pin that programming Control module is discharged into high-voltage pulse signal on the NAND Flash storage array that has secret key one by one burns.The high-voltage pulse of moment can cause that chip internal active area is burnt and puncture, and in the process of burning, can cause chip die cracking, thereby reach NandFlash data, cannot recover, and protects the effect of airborne secret key.Once data destroying completes, cpu controller is closed external interface voluntarily, thereby prevents that NAND Flash chip from playing other device short circuits at the short-and-medium pass of the process of burning.
The above, be only example of the present invention, is anyly familiar with those skilled in the art in technical scope of the present invention, and the variation of doing or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. with an onboard high-speed Mass Digital Storage System for self-destroying function, comprise cpu controller, NAND Flash storage array, it is characterized in that also comprising and ruin key module, described in ruin key module and comprise energy-storage module, boost module, programming Control module;
Described boost module is ruined the amplification of boosting of key signal for the key order of ruining of sending according to cpu controller by what ruin that key interface brings;
Described energy-storage module carries out energy storage formation high-voltage pulse signal for the key signal of ruining to after boosting;
Described programming Control module is burnt for electricity ground pin high-voltage pulse signal being discharged into one by one on the NAND Flash storage array that has secret key.
2. the self-destruction method of onboard high-speed Mass Digital Storage System according to claim 1, comprises following steps:
A) cpu controller sends and ruins key signal enabling and ruin key program;
B) will ruin the amplification of boosting of key signal;
C) the key signal of ruining boosting is carried out to energy storage formation high-voltage pulse signal;
D) high-voltage pulse signal is discharged into one by one on the electricity ground pin on the NAND Flash storage array that has secret key and burns.
3. self-destruction method according to claim 2, is characterized in that also comprising following steps:
E) after data have been burnt, cpu controller is closed external interface voluntarily, prevents that NAND Flash chip from playing other device short circuits at the short-and-medium pass of the process of burning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410366037.6A CN104123513A (en) | 2014-07-29 | 2014-07-29 | Machine-mounted high-speed large-capacity data storage system with self-destruction function and self-destruction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410366037.6A CN104123513A (en) | 2014-07-29 | 2014-07-29 | Machine-mounted high-speed large-capacity data storage system with self-destruction function and self-destruction method |
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| CN104123513A true CN104123513A (en) | 2014-10-29 |
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| CN201410366037.6A Pending CN104123513A (en) | 2014-07-29 | 2014-07-29 | Machine-mounted high-speed large-capacity data storage system with self-destruction function and self-destruction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106991341A (en) * | 2016-09-08 | 2017-07-28 | 宜鼎国际股份有限公司 | Possesses the flash memory device that entity destroys function |
| CN109759421A (en) * | 2019-01-16 | 2019-05-17 | 深圳市领存技术有限公司 | Flash chip apparatus for destroying, electronic device and flash chip destroying method |
| CN110445606A (en) * | 2019-07-26 | 2019-11-12 | 陕西千山航空电子有限责任公司 | A kind of logger ruins key circuit |
| CN110458273A (en) * | 2019-07-17 | 2019-11-15 | 陕西千山航空电子有限责任公司 | A kind of data storage card |
| CN112882964A (en) * | 2021-03-04 | 2021-06-01 | 中国航空工业集团公司西安航空计算技术研究所 | High-capacity and high-safety storage system supporting multiple interfaces |
| CN114448616A (en) * | 2021-12-29 | 2022-05-06 | 中国航空工业集团公司西安航空计算技术研究所 | Distributed concurrent key destroying method for large-scale comprehensive processing platform |
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| US20080112300A1 (en) * | 2006-11-15 | 2008-05-15 | David Bruce Kumhyr | Method and system for protecting data |
| CN102289623A (en) * | 2011-09-02 | 2011-12-21 | 湖南国安思科计算机系统有限公司 | Anti-leakage laptop |
| CN202736030U (en) * | 2012-06-15 | 2013-02-13 | 北京石竹科技股份有限公司 | Solid state storage equipment with physical self-destruction function |
| CN103839014A (en) * | 2014-03-19 | 2014-06-04 | 深圳市亿道信息技术有限公司 | Self-destruction circuit of tablet personal computer storage device |
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Patent Citations (4)
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| US20080112300A1 (en) * | 2006-11-15 | 2008-05-15 | David Bruce Kumhyr | Method and system for protecting data |
| CN102289623A (en) * | 2011-09-02 | 2011-12-21 | 湖南国安思科计算机系统有限公司 | Anti-leakage laptop |
| CN202736030U (en) * | 2012-06-15 | 2013-02-13 | 北京石竹科技股份有限公司 | Solid state storage equipment with physical self-destruction function |
| CN103839014A (en) * | 2014-03-19 | 2014-06-04 | 深圳市亿道信息技术有限公司 | Self-destruction circuit of tablet personal computer storage device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106991341A (en) * | 2016-09-08 | 2017-07-28 | 宜鼎国际股份有限公司 | Possesses the flash memory device that entity destroys function |
| CN106991341B (en) * | 2016-09-08 | 2020-04-24 | 宜鼎国际股份有限公司 | Flash memory device with entity destroying function |
| CN109759421A (en) * | 2019-01-16 | 2019-05-17 | 深圳市领存技术有限公司 | Flash chip apparatus for destroying, electronic device and flash chip destroying method |
| CN110458273A (en) * | 2019-07-17 | 2019-11-15 | 陕西千山航空电子有限责任公司 | A kind of data storage card |
| CN110445606A (en) * | 2019-07-26 | 2019-11-12 | 陕西千山航空电子有限责任公司 | A kind of logger ruins key circuit |
| CN112882964A (en) * | 2021-03-04 | 2021-06-01 | 中国航空工业集团公司西安航空计算技术研究所 | High-capacity and high-safety storage system supporting multiple interfaces |
| CN112882964B (en) * | 2021-03-04 | 2024-05-24 | 中国航空工业集团公司西安航空计算技术研究所 | High-capacity high-safety storage system supporting multiple interfaces |
| CN114448616A (en) * | 2021-12-29 | 2022-05-06 | 中国航空工业集团公司西安航空计算技术研究所 | Distributed concurrent key destroying method for large-scale comprehensive processing platform |
| CN114448616B (en) * | 2021-12-29 | 2024-01-19 | 中国航空工业集团公司西安航空计算技术研究所 | Distributed concurrency key destroying method of large-scale comprehensive processing platform |
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