CN1312551C - Portable secret computer - Google Patents
Portable secret computer Download PDFInfo
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- CN1312551C CN1312551C CNB2005100732937A CN200510073293A CN1312551C CN 1312551 C CN1312551 C CN 1312551C CN B2005100732937 A CNB2005100732937 A CN B2005100732937A CN 200510073293 A CN200510073293 A CN 200510073293A CN 1312551 C CN1312551 C CN 1312551C
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Abstract
The present invention relates to a portable secret computer which is provided with a main board. The present invention is characterized in that the portable secret computer is provided with a hard disc encryption module, an inner network and outer network isolation apparatus, a fingerprint identification device and a device for preventing video information from leaking. The main board is connected with the hard disc encryption module through an interface CON1. The hard disc encryption module is connected with a power supply interface CON2, and is also connected with an E-Key interface. The inner network and outer network isolation apparatus comprises an inner network hard disc, an inner network and outer network isolation device and an outer network hard disc. The main board is connected with the inner network and outer network isolation apparatus through an interface CON3, and is connected with the outer network hard disc through an interface CON4. The inner network and outer network isolation apparatus is respectively connected with the inner network hard disc and the outer network hard disc. The hard disc encryption module is connected with the inner network hard disc. The fingerprint identification device comprises a fingerprint collection chip and a fingerprint module. The main board is connected with the device for preventing video information from leaking through an interface CON6, and the device for preventing video information from leaking is connected with an antenna. The present invention has the advantages of state performance, reliable work and convenient operation.
Description
Technical field
The present invention relates to a kind of product of electricity field.More particularly, the present invention relates to a kind of computing machine, refer in particular to a kind of portable secret computer.The present invention should be divided into the big class of G06 in International Patent Classification (IPC).
Background technology
Along with the develop rapidly of information, mobile office becomes people's part of work.As everyone knows, the main tool of mobile office is a portable computer, because the portability of portable computer, it is lost and the probability of have things stolen also greatly increases, so its classified information existence danger of publishing.In addition, video information leakage can take place in computing machine in the process of process information, stolen by the other side easily.Moreover, handle the hard disk of important information and can not go up the external interconnect net, otherwise also can divulge a secret.
Summary of the invention
The objective of the invention is to:, provide a kind of simple in structure, with low cost, portable secret computer that can prevent leakage of information at the deficiency of prior art.
The objective of the invention is to be achieved through the following technical solutions:
Described portable secret computer has a mainboard, and principal feature is: described portable secret computer has a HD encryption module, and an intranet and extranet spacer assembly is arranged, and a Fingerprint Identification Unit is arranged, and an anti-video information leakage device is arranged.
Described mainboard is connected with described HD encryption module by interface CON1, connects a power interface CON2 on described HD encryption module, also connects an E-Key interface on described HD encryption module.
Described intranet and extranet spacer assembly comprises an inside and outside network isolator, interior network interface, outer network interface, IDE data bus, CPU, RAM, I/O interface, pci data bus, pci interface chip, MCU control chip, ATX power supply, UPS, hard disk 1, hard disk 2 and network interface card.
Described mainboard is connected with described inside and outside network isolator by interface CON3, and described mainboard is connected with described hard disk 2 by interface CON4, and described inside and outside network isolator is connected with described hard disk 1, hard disk 2 respectively.
Described pci data bus and described pci interface chip interconnect, described pci interface chip connects to described MCU control chip, controlling described hard disk 1 by the MCU control chip is connected with described IDE data bus, interconnect with described CPU, RAM and I/O interface respectively by the IDE data bus, network interface card connects to the pci data bus, is connected described interior network interface with the MCU control chip by network interface card; Controlling described hard disk 2 by the MCU control chip is connected with described IDE data bus, interconnect with described CPU, RAM and I/O interface respectively by the IDE data bus, network interface card connects to the pci data bus, is connected described outer network interface with the MCU control chip by network interface card; Described MCU control chip connects described ATX power supply, and described ATX power supply connects described UPS, and described ups power connects to hard disk 1 or hard disk 2.
Described HD encryption module is connected with described Intranet hard disk.
Described Fingerprint Identification Unit comprises fingerprint collecting chip and fingerprint module, and described mainboard is connected with described fingerprint module by interface CON5, and described fingerprint module is connected with described fingerprint collecting chip.
Described mainboard is connected with described anti-video information leakage device by interface CON6, and described anti-video information leakage device is connected with antenna.
In specific embodiment:
Described HD encryption module comprises encryption chip, key authentication, ide interface, mistake indication and external clock part, described key authentication part partly is connected with described encryption chip, described ide interface part partly interconnects with described encryption chip, described external clock partly connects to described encryption chip part, and described encryption chip partly connects to described wrong indicating section.
Described Fingerprint Identification Unit comprises USB interface, USB interface chip, finger print data process chip, fingerprint sampling A and parameter storage part.
Described usb segment and USB interface chip partly are connected to each other, described USB interface chip part and described finger print data process chip partly interconnect, described finger print data process chip part and described fingerprint sampling A partly interconnect, and described USB interface chip part and described parameter storage partly interconnect.
Described anti-video information leakage device comprises: the filtering circuit of embedded high/low frequency antenna, anti-video information leakage circuit, VGA shows signal, liquid crystal control circuit, visual output control circuit, line frequency control circuit, field frequency control circuit, power control circuit, lamp tube power supply circuit, LCD display panel and inhibition conduct radiation.
Described VGA shows signal is connected with described liquid crystal control circuit, and described VGA shows signal is connected with described anti-video information leakage circuit.
Described anti-video information leakage circuit is connected with described liquid crystal control circuit, described anti-video information leakage circuit is connected with described embedded high/low frequency antenna, described visual output control circuit is connected with described liquid crystal control circuit, described liquid crystal control circuit connects described line frequency control circuit, described liquid crystal control circuit connects described field frequency control circuit, described liquid crystal control circuit connects described LCD display panel, the filtering circuit of described inhibition conduct radiation connects described power control circuit, described power control circuit connects described liquid crystal control circuit, described line frequency control circuit connects described LCD display panel, described field frequency control circuit connects described LCD display panel, and described lamp tube power supply circuit connects described LCD display panel.
Because the present invention has adopted above-mentioned technical scheme, because described portable secret computer has a HD encryption module, an intranet and extranet spacer assembly is arranged, a Fingerprint Identification Unit is arranged, the present invention an anti-video information leakage device arranged, so can prevent leakage of information.In addition, the present invention also has advantage simple in structure, with low cost.
Description of drawings
The present invention will be described below in conjunction with accompanying drawing, wherein:
Accompanying drawing 1 is the fundamental diagram of intranet and extranet spacer assembly of the present invention.
Accompanying drawing 2 is functional-block diagrams of HD encryption module of the present invention.
Accompanying drawing 3 is functional-block diagrams of Fingerprint Identification Unit of the present invention.
Accompanying drawing 4 is functional-block diagrams of anti-video information leakage device of the present invention.
Accompanying drawing 5 is circuit theory diagrams of the present invention.
Can see from accompanying drawing 1: described intranet and extranet spacer assembly comprises interior network interface, outer network interface, IDE data bus, CPU, RAM, I/O interface, pci data bus, pci interface chip, MCU control chip, ATX power supply, UPS, hard disk 1, hard disk 2 and network interface card.
Can see from accompanying drawing 2: described HD encryption module comprises encryption chip, key authentication, ide interface, mistake indication and external clock part.In accompanying drawing 2, described ide interface is two.
Can see from accompanying drawing 3: described Fingerprint Identification Unit comprises USB interface, USB interface chip, finger print data process chip, fingerprint sampling A and parameter storage part.
Can see from accompanying drawing 4: described anti-video information leakage device comprises: the filtering circuit of embedded high/low frequency antenna, anti-video information leakage circuit, VGA shows signal, liquid crystal control circuit, visual output control circuit, line frequency control circuit, field frequency control circuit, power control circuit, lamp tube power supply circuit, LCD display panel and inhibition conduct radiation.
Can see from accompanying drawing 5: described relating computer has a HD encryption module, and an intranet and extranet spacer assembly is arranged, and a Fingerprint Identification Unit is arranged, and an anti-video information leakage device is arranged.Described intranet and extranet spacer assembly comprises an Intranet hard disk (being hard disk 1), an inside and outside network isolator, an outer net hard disk (being hard disk 2).Described Fingerprint Identification Unit comprises fingerprint collecting chip and fingerprint module.
Embodiment
The present invention is further described below in conjunction with drawings and Examples, and wherein, accompanying drawing 5 is circuit connection diagrams of a most preferred embodiment of the present invention.In this embodiment, for the space reason, CD-ROM drive as a plug-in device, has been removed floppy drive.The corresponding flash disk of will encrypting is as main external storage device.From accompanying drawing, can see:
Described mainboard is connected with described HD encryption module by interface CON1, connects a power interface CON2 on described HD encryption module, also connects an E-Key interface on described HD encryption module.Wherein, interface CON1 is the ide interface of a standard, and this interface is drawn and received on the BOARD1.An E-Key interface is arranged on BOARD1, and it is exposed at the notebook outside, and the model of described mainboard can be SM-PC-B2, and the model of described HD encryption module can be BM-2000-C.The present invention adopts hardware-based cryptographic by circuit the data stream of hard disk to be encrypted, need not the software support, operating system there is not dependence, and be adapted to the SCSI hard disk after the IDE bus is changeed SCSI bus, transfer rate 〉=1.1Gbps/s, key length 〉=2
112If hard disk is stolen, hard disk is put on other computing machine does not have key data can not to be read.
Described intranet and extranet spacer assembly comprises an Intranet hard disk (HD1, promptly hard disk 1), an inside and outside network isolator, an outer net hard disk (HD2, promptly hard disk 2).Described mainboard is connected with described inside and outside network isolator by interface CON3, described mainboard is by interface CON4 and described outer net hard disk (HD2, be hard disk 2) connect, described inside and outside network isolator respectively with described Intranet hard disk (HD1, be hard disk 1), outer net hard disk (HD2, be hard disk 2) connect, described interface CON3 is a 6PIN interface, it comprises DC12V, DC5V, two of the GND and the control lines of drawing from PCI, this interface is connected to above the BOARD2 by cable, interface CON4 is the ide interface of a standard, and the model of BOARD2 can be BM-2000-B.Can see also that from accompanying drawing described HD encryption module and described Intranet hard disk (HD1, promptly hard disk 1) connect.
Fingerprint Identification Unit of the present invention comprises fingerprint collecting chip and fingerprint module, described mainboard is connected with described fingerprint module by interface CON5, described fingerprint module is connected with described fingerprint collecting chip, described interface CON5 is a USB2.0 interface, this interface is connected on the BOARD4, the model of BOARD4 can be BM-F-B2, and the model of described fingerprint collecting chip can be SW6888.It realizes that principle is: need beginning, centre and the end of the file of fingerprint protection to add binary finger print data stream at each; when reading once more, the file behind the fingerprint protection can call fingerprint authentication module; carry out fingerprint authentication, after being proved to be successful, the content in can reading file.
Described mainboard is connected with described anti-video information leakage device by interface CON6, and described anti-video information leakage device and antenna link, and interface CON6 is mainly BOARD3 power supply and synchronizing signal are provided, and wherein the model of BOARD3 can be BM-2000-A.
In a word, portable secret computer mainly ensures information security by following technical proposals: at first be identity authentication function, it comprises BOARD4 fingerprint module and fingerprint collecting chip.Fingerprint module is connected with computer motherboard by USB interface, and the finger print information that collects passes to the computer-internal checking of comparing by USB interface, and have only by the authentication of fingerprint and just can open operation system of computer, otherwise, can't start shooting.When computing machine uses, to the write-read of Intranet hard disc data also in the operation of carrying out data encrypting and deciphering, when data write hard disk, by BOARD1 HD encryption module automatically with data encryption, form with ciphertext writes hard disk, deciphers automatically when data are read.BOARD1 HD encryption module is between the south bridge and hard disk of computing machine, IDE bus by mainboard links to each other with BOARD1, link on the encipher hard disc by another one output ide interface from the data that BOARD1 encrypted, the power supply of BOARD1 is the DC5V that introduces from mainboard again.In addition, encipher hard disc also has the authentication of a key, otherwise can't use the Intranet hard disk.It then is to be connected with hardware by computer PCI bus that the intranet and extranet of portable secret computer are isolated, and is Intranet or outer net by pci bus control.This part is finished by module BOARD2, BOARD2 is connected with the pci bus of computing machine, the power lead and the intranet and extranet winding thread of original hard disk are incorporated on the BOARD2, by control is the power supply of connecting the power supply of Intranet hard disk or connecting the outer net hard disk, is to connect Intranet or connection outer net accordingly.At the portable secret computer duration of work, the BOARD3 module is arranged all the time in work, it mainly is to prevent video information leakage, what BOARD3 was connected with mainboard mainly is the needed power supply of frame synchronizing signal and BOARD3, frame synchronizing signal on the mainboard is the basis of BOARD3 work, with the ANTENNA antenna in addition of BOARD3 collaborative work, it is built into the next door of mainboard.
Stable performance of the present invention, reliable operation is convenient to operation.
Claims (4)
1. portable secret computer, described portable secret computer has a mainboard, it is characterized in that: described portable secret computer has a HD encryption module, and an intranet and extranet spacer assembly is arranged, a Fingerprint Identification Unit is arranged, an anti-video information leakage device is arranged;
Described mainboard is connected with described HD encryption module by interface CON1, connects a power interface CON2 on described HD encryption module, also connects an E-Key interface on described HD encryption module;
Described intranet and extranet spacer assembly comprises an inside and outside network isolator, interior network interface, outer network interface, IDE data bus, CPU, RAM, I/O interface, pci data bus, pci interface chip, MCU control chip, ATX power supply, UPS, hard disk 1, hard disk 2 and network interface card;
Described mainboard is connected with described inside and outside network isolator by interface CON3, and described mainboard is connected with described hard disk 2 by interface CON4, and described inside and outside network isolator is connected with described hard disk 1, hard disk 2 respectively;
Described pci data bus and described pci interface chip interconnect, described pci interface chip connects to described MCU control chip, controlling described hard disk 1 by the MCU control chip is connected with described IDE data bus, interconnect with described CPU, RAM and I/O interface respectively by the IDE data bus, network interface card connects to the pci data bus, is connected described interior network interface with the MCU control chip by network interface card; Controlling described hard disk 2 by the MCU control chip is connected with described IDE data bus, interconnect with described CPU, RAM and I/O interface respectively by the IDE data bus, network interface card connects to the pci data bus, is connected described outer network interface with the MCU control chip by network interface card; Described MCU control chip connects described ATX power supply, and described ATX power supply connects described UPS, and described ups power connects to hard disk 1 or hard disk 2;
Described HD encryption module is connected with described Intranet hard disk;
Described Fingerprint Identification Unit comprises fingerprint collecting chip and fingerprint module, and described mainboard is connected with described fingerprint module by interface CON5, and described fingerprint module is connected with described fingerprint collecting chip;
Described mainboard is connected with described anti-video information leakage device by interface CON6, and described anti-video information leakage device is connected with antenna.
2. portable secret computer according to claim 1, it is characterized in that: described HD encryption module comprises encryption chip, key authentication, ide interface, mistake indication and external clock part, described key authentication part partly is connected with described encryption chip, described ide interface part partly interconnects with described encryption chip, described external clock partly connects to described encryption chip part, and described encryption chip partly connects to described wrong indicating section.
3. portable secret computer according to claim 1 is characterized in that: described Fingerprint Identification Unit comprises USB interface, USB interface chip, finger print data process chip, fingerprint sampling A and parameter storage part;
Described usb segment and USB interface chip partly are connected to each other, described USB interface chip part and described finger print data process chip partly interconnect, described finger print data process chip part and described fingerprint sampling A partly interconnect, and described USB interface chip part and described parameter storage partly interconnect.
4. portable secret computer according to claim 1 is characterized in that: described anti-video information leakage device comprises: the filtering circuit of embedded high/low frequency antenna, anti-video information leakage circuit, VGA shows signal, liquid crystal control circuit, visual output control circuit, line frequency control circuit, field frequency control circuit, power control circuit, lamp tube power supply circuit, LCD display panel and inhibition conduct radiation;
Described VGA shows signal is connected with described liquid crystal control circuit, and described VGA shows signal is connected with described anti-video information leakage circuit;
Described anti-video information leakage circuit is connected with described liquid crystal control circuit, described anti-video information leakage circuit is connected with described embedded high/low frequency antenna, described visual output control circuit is connected with described liquid crystal control circuit, described liquid crystal control circuit connects described line frequency control circuit, described liquid crystal control circuit connects described field frequency control circuit, described liquid crystal control circuit connects described LCD display panel, the filtering circuit of described inhibition conduct radiation connects described power control circuit, described power control circuit connects described liquid crystal control circuit, described line frequency control circuit connects described LCD display panel, described field frequency control circuit connects described LCD display panel, and described lamp tube power supply circuit connects described LCD display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100732937A CN1312551C (en) | 2005-06-06 | 2005-06-06 | Portable secret computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100732937A CN1312551C (en) | 2005-06-06 | 2005-06-06 | Portable secret computer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1687861A CN1687861A (en) | 2005-10-26 |
| CN1312551C true CN1312551C (en) | 2007-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100732937A Expired - Fee Related CN1312551C (en) | 2005-06-06 | 2005-06-06 | Portable secret computer |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055599B (en) * | 2009-11-10 | 2014-04-30 | 唐方 | Network management equipment for network management of computer |
| CN102130808A (en) * | 2010-01-15 | 2011-07-20 | 张建华 | Enhanced mixed physical isolation method |
| CN101924765B (en) * | 2010-08-20 | 2013-04-17 | 河南省电力公司 | Single-system and single-network computer communication method |
| CN102279916A (en) * | 2011-09-08 | 2011-12-14 | 深圳市中威讯安科技开发有限公司 | Safety tablet computer |
| CN112084481A (en) * | 2020-09-21 | 2020-12-15 | 西安超越申泰信息科技有限公司 | All-in-one machine based on Feiteng 2000-4 processor |
| CN112804494A (en) * | 2021-01-13 | 2021-05-14 | 广州穗能通能源科技有限责任公司 | Power construction site monitoring method and system and storage medium |
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| CN1336593A (en) * | 2001-09-10 | 2002-02-20 | 李大东 | Secret related computer |
| CN1405686A (en) * | 2001-09-14 | 2003-03-26 | 东维成科技股份有限公司 | System and method for ensuring computer host security |
| CN2574082Y (en) * | 2002-06-12 | 2003-09-17 | 宋建中 | Portable computer information safety detection device |
| US6728881B1 (en) * | 1999-10-01 | 2004-04-27 | The United States Of America As Represented By The Secretary Of The Army | Fingerprint and signature identification and authorization card and pen |
| CN2629124Y (en) * | 2003-05-27 | 2004-07-28 | 联想(北京)有限公司 | Arrangement for computer network safety isolating |
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2005
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6728881B1 (en) * | 1999-10-01 | 2004-04-27 | The United States Of America As Represented By The Secretary Of The Army | Fingerprint and signature identification and authorization card and pen |
| CN1336593A (en) * | 2001-09-10 | 2002-02-20 | 李大东 | Secret related computer |
| CN1405686A (en) * | 2001-09-14 | 2003-03-26 | 东维成科技股份有限公司 | System and method for ensuring computer host security |
| CN2574082Y (en) * | 2002-06-12 | 2003-09-17 | 宋建中 | Portable computer information safety detection device |
| CN2629124Y (en) * | 2003-05-27 | 2004-07-28 | 联想(北京)有限公司 | Arrangement for computer network safety isolating |
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| CN1687861A (en) | 2005-10-26 |
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