CN205334461U

CN205334461U - A encrypt storage device for computer protection

Info

Publication number: CN205334461U
Application number: CN201620091510.9U
Authority: CN
Inventors: 闫娜; 赵亚娟; 王芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-29
Filing date: 2016-01-29
Publication date: 2016-06-22
Anticipated expiration: 2026-01-29

Abstract

The utility model relates to a computer security storage technology field especially relates to an encrypt storage device for computer protection, the utility model discloses a black NULL of hardware storage, has solved traditional uses software and has encrypted easy being explaind to computer storage, the unsafe technical problem of storage mode has reached the hardware mode and has protected the nature controlled strong, has improved data security's technological effect simultaneously, adopt the password to coil the design method of nearly accuse, bluetooth accuse far away, it is single to have solved control mode, wayward technical problem, but reached mutual noninterference of concurrent operation and control mode diversified technique effect, the technical design that the adoption is given first place to with the singlechip has reached simple and easy, the convenient and high technological effect of security of controlling means.

Description

A kind of encryption storage device for guard of computer

Technical field

This utility model relates to computer security technical field of memory, particularly relates to a kind of encryption storage device for guard of computer。

Background technology

The most important thing is the safety of storage data in computer security, its chief threat faced includes: computer virus, unauthorized access, Computer Electromagnetic Radiation, hardware damage etc.。

Computer virus is affixed to the hidden small routine in computer software, and other working procedures of it and computer are the same, but can destroy normal program and data files。Malignant virus can make whole computer software collapse, and data are ruined entirely。Prevent virus attack from mainly strengthening management, do not access unsafe data, use antivirus software renewal of upgrading in time。

Unauthorized access refers to that legal identity is usurped or forged to appropriator, enters computer system, privately extracts the data in computer or modify transfer, duplication etc.。The way one prevented is adding software security mechanism, makes thief can not enter system with legal identity。As increased the landmark identification of validated user, increase password, specify different authorities to user so that it is can not the data field etc. that should not access of free access。Two is that data are encrypted, even if thief enters system, it does not have key, also cannot understand data。Three is arrange Operation Log in computer, and the reading and writing of significant data, amendment are carried out automatic record。

And traditional computer Study on Safety Problem is primarily directed to software aspects, the study of hardware of Computer Storage safety has much room for improvement。

Utility model content

Technical problem to be solved in the utility model; it it is the technical deficiency for above-mentioned existence; provide a kind of encryption storage device for guard of computer; have employed the technical method of hardware store encryption; solving tradition uses software that Computer Storage encryption is easily cracked; the unsafe technical problem of storage mode, has reached hardware mode and has protected controllable property strong, improve the technique effect of the safety of data simultaneously；Adopt combination disk is closely controlled, bluetooth is far controlled method for designing, solve control mode single, uppity technical problem, reach to operate simultaneously and do not interfere with each other and the diversified technique effect of control mode；Adopt the Technology design based on single-chip microcomputer, reached to control the technique effect that device is simple and easy, convenient and safety is high。

For solving above-mentioned technical problem, this utility model be the technical scheme is that to include PC, encryption device and encryption storage hard disk, and encryption device side connects PC, and encryption device opposite side connects encryption storage hard disk；

Encryption device includes single-chip microcomputer, on-off circuit and regulated power supply；On-off circuit side is connected to data wire A, data wire A and connects PC, and on-off circuit opposite side is connected to data wire B, data wire B and connects encryption storage hard disk；Single-chip microcomputer side serial ports controls on-off circuit, and single-chip microcomputer opposite side I/O is connected to combination disk；Serial port of single chip computer is connected to bluetooth module；Regulated power supply provides burning voltage for single-chip microcomputer and bluetooth module。

Optimizing the technical program further, described encryption storage hard disk is 32G solid state hard disc, and single-chip microcomputer is MSP430C1101 single-chip microcomputer, and bluetooth module is HC-06 module；

Optimize the technical program further, described on-off circuit is the P2.1 foot of the 1 foot connection single-chip microcomputer of photoelectric coupled circuit MOC, photoelectric coupled circuit MOC, the 1 foot ground connection of photoelectric coupled circuit MOC, 1 foot of photoelectric coupled circuit MOC connects 1 foot of data wire A, photoelectric coupled circuit MOC and connects data wire B；

Optimizing the technical program further, the UART-TXD pin of described bluetooth module HC-O6 connects the RXD1 pin of single-chip microcomputer, and the UART-RXD pin of bluetooth module HC-O6 connects the TXD1 pin of single-chip microcomputer。

Compared with prior art, this utility model has the advantage that 1, uses MSP430C1101 single-chip microcomputer as main control unit, is integrated with the memorizer of larger capacity and abundant powerful hardware interface circuit, has very high performance price ratio；2, using solid state hard disc as safe hard disk, reading speed is fast, and security performance is good；3, system modular accesses, and maintains easily upgrading, and solid state hard disc is quick detachable, easy for installation。

Accompanying drawing explanation

Fig. 1 is this utility model connection figure；

Fig. 2 is this utility model encryption device cut-away view；

Fig. 3 is utility model works flow chart；

Fig. 4 is this utility model single chip computer architecture figure；

Fig. 5 is this utility model switching circuit structure figure。

In figure, 1, PC；2, encryption device；3, encryption storage hard disk；21, single-chip microcomputer；22, on-off circuit；23, combination disk；24, data wire A；25, data wire B；26, regulated power supply；27, bluetooth module。

Detailed description of the invention

For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with detailed description of the invention and with reference to accompanying drawing, this utility model is further described。It should be understood that these descriptions are illustrative of, and it is not intended to limit scope of the present utility model。Additionally, in the following description, eliminate the description to known features and technology, to avoid unnecessarily obscuring concept of the present utility model。

Detailed description of the invention one: as Figure 1-5, including PC 1, encryption device 2 and encryption storage hard disk 3, encryption device 2 side connects PC 1, and encryption device 2 opposite side connects encryption storage hard disk 3；

Encryption device 2 includes single-chip microcomputer 21, on-off circuit 22 and regulated power supply 26；On-off circuit 22 side is connected to data wire A24, data wire A24 and connects PC 1, and on-off circuit 22 opposite side is connected to data wire B25, data wire B25 and connects encryption storage hard disk 3；Single-chip microcomputer 21 side serial ports controls on-off circuit 22, and single-chip microcomputer 21 opposite side I/O is connected to combination disk 23；Single-chip microcomputer 21 serial port is connected to bluetooth module 27；Regulated power supply 26 provides burning voltage for single-chip microcomputer 21 and bluetooth module 27。

Described encryption storage hard disk 3 is 32G solid state hard disc, and single-chip microcomputer 21 is MSP430C1101 single-chip microcomputer, and bluetooth module 27 is HC-06 module；Described 1 foot that on-off circuit 22 is photoelectric coupled circuit MOC, photoelectric coupled circuit MOC connects the P2.1 foot of single-chip microcomputer 21, the 1 foot ground connection of photoelectric coupled circuit MOC, and 1 foot of photoelectric coupled circuit MOC connects 1 foot of data wire A24, photoelectric coupled circuit MOC and connects data wire B25；The UART-TXD pin of described bluetooth module 27HC-O6 connects the RXD1 pin of single-chip microcomputer 21, and the UART-RXD pin of bluetooth module 27HC-O6 connects the TXD1 pin of single-chip microcomputer 21。

Such as Fig. 1, PC 1 connects encryption storage hard disk 3 by encryption device 2, and by encryption device 2 to storage data encryption, such PC 1 is when reading data, it is necessary to read by encryption device 2。Then this connected mode makes the safety of system considerably increase；

Such as Fig. 2, advantage of the present utility model is in that Single-chip Controlling, dual control mode；When computer reads data, in data wire, circulation is the signal of telecommunication, and this utility model controls the break-make of data wire by on-off circuit 22, and carrys out the state by on-off circuit 22 by single-chip microcomputer 21；And it is provided with bluetooth and combination disk 23 two ways carrys out control single chip computer 21 again, and joint set one joint, reach the method for switching that dual control, safety are high。

Fig. 3 is workflow diagram of the present utility model, it is first determined whether user reads the data of encryption storage hard disk 3, and as read, computer prompted input password, user can input password by combination disk 23 and Bluetooth of mobile phone two ways；Encryption storage hard disk 3 then opened by input password, inputs unsuccessfully then prompting and re-enters, after inputting five mistakes, encrypts storage hard disk 3 self-locking, institute's storage hard disk is carried out self-protection。

It should be appreciated that above-mentioned detailed description of the invention of the present utility model is used only for exemplary illustration or explains principle of the present utility model, and do not constitute restriction of the present utility model。Therefore, any amendment of making when not necessarily departing from spirit and scope of the present utility model, equivalent replacement, improvement etc., should be included within protection domain of the present utility model。Additionally, this utility model claims be intended to fall in the equivalents on scope and border or this scope and border whole change and modifications example。

Claims

1. the encryption storage device for guard of computer; it is characterized in that: include PC (1), encryption device (2) and encryption storage hard disk (3); encryption device (2) side connects PC (1), and encryption device (2) opposite side connects encryption storage hard disk (3)；Encryption device (2) includes single-chip microcomputer (21), on-off circuit (22) and regulated power supply (26)；On-off circuit (22) side is connected to data wire A (24), data wire A (24) connects PC (1), on-off circuit (22) opposite side is connected to data wire B (25), data wire B (25) and connects encryption storage hard disk (3)；Single-chip microcomputer (21) side serial ports controls on-off circuit (22), and single-chip microcomputer (21) opposite side I/O is connected to combination disk (23)；Single-chip microcomputer (21) serial port is connected to bluetooth module (27)；Regulated power supply (26) provides burning voltage for single-chip microcomputer (21) and bluetooth module (27)。

2. a kind of encryption storage device for guard of computer according to claim 1; it is characterized in that: encryption storage hard disk (3) is 32G solid state hard disc; single-chip microcomputer (21) is MSP430C1101 single-chip microcomputer, and bluetooth module (27) is HC-06 module。

3. a kind of encryption storage device for guard of computer according to claim 1; it is characterized in that: on-off circuit (22) is photoelectric coupled circuit MOC; 1 foot of photoelectric coupled circuit MOC connects the P2.1 foot of single-chip microcomputer (21); the 1 foot ground connection of photoelectric coupled circuit MOC; 1 foot of photoelectric coupled circuit MOC connects 1 foot of data wire A (24), photoelectric coupled circuit MOC and connects data wire B (25)。

4. a kind of encryption storage device for guard of computer according to claim 1 and 2; it is characterized in that: the UART-TXD pin of bluetooth module (27) HC-O6 connects the RXD1 pin of single-chip microcomputer (21), the UART-RXD pin of bluetooth module (27) HC-O6 connects the TXD1 pin of single-chip microcomputer (21)。