CN206684716U - A kind of cipher input - Google Patents

Abstract

Information security field is the utility model is related to, specifically discloses a kind of cipher input, including：Touch panel unit, for receiving the signature password of user's input；Security Encryption module, it is connected with touch panel unit, the signature password for being inputted to user is encrypted, wherein, Security Encryption module includes：Communication interface, it is connected with touch panel unit；Encryption chip, it is connected with communication interface.The utility model ensures the security of signature password realizing while the input of signature password.

Description

A kind of cipher input

Technical field

It the utility model is related to information security field, and in particular to a kind of cipher input.

Background technology

At present, the equipment for inputting password, such as ATM, POS etc. are needed on the market, are generally all pressed using physics Key, such as the plastic key on the metal key-press and POS on ATM.However, this equipment is when inputting password, easy quilt People peeps or obtains its password by modes such as fingerprint extractions, and its confidentiality, security have problem.

In order to avoid above mentioned problem, patent document CN1862465A discloses a kind of anti-input side that divulges a secret based on touch-screen Method and device, the method for specifically disclosing include：Show that random keyboard pattern inputs for user on the touchscreen, including display is different Shape random combine keyboard style inputs for user, and the special-shaped keyboard style refers to character keys shown on the touchscreen Size, shape are irregular changes；Device includes：Central processor CPU, touch-screen, drive circuit, communicating circuit and control Unit processed, in addition to optics peep-proof piece on the touchscreen is set.When avoiding inputting password by using the above method and device Peeped to password or by fingerprint extraction to password.

Inventor has found, is conveniently lived with the development of society, people increasingly pursue, and occurs utilizing signature As the input mode of password, so, user need not remember a pile password, and only need signature manually to complete certification. At present, can not because the mode that cipher input on the market is essentially all touch-screen or physical button inputs password Realize the input of signature password.

Utility model content

The technical problems to be solved in the utility model is that existing cipher input can not realize the defeated of signature password Enter, so as to provide a kind of cipher input.

According to one side of the present utility model, there is provided a kind of cipher input, including：Touch panel unit, for connecing Receive the signature password of user's input；Security Encryption module, it is connected with the touch panel unit, for the label inputted to the user Word password is encrypted, wherein, the Security Encryption module includes：Communication interface, it is connected with the touch panel unit；Encrypt core Piece, it is connected with the communication interface.

Further, the encryption chip uses TF32a09 encryption chips or IS32U320A encryption chips, described logical Letter interface includes at least one of：UART interface, USB interface, IIC interfaces.

Further, the Security Encryption module includes：First Security Encryption module, it is connected with the touch panel unit Connect, the signature password for being inputted to the user is encrypted；Second Security Encryption module, it is connected with the touch panel unit Connect, the password symbol for being inputted to the user is encrypted.

Further, in addition to：Hub, with first Security Encryption module and second Security Encryption module point It is not connected.

Further, the touch panel unit includes：LCDs, for showing the display interface of Password Input；It is aobvious Show drive module, be respectively connected with the LCDs and the Security Encryption module, for driving the liquid crystal display Screen shows the display interface of the Password Input.

Further, the driver module is also connected with system processor, wherein, the system processor is institute State the processor for the system that cipher input is accessed.

Further, the Security Encryption module also includes：Self-destruction circuit, for detecting the cipher input By the key and code data wiped when disassembling in the Security Encryption module.

Further, the touch panel unit includes：Electromagnetic antenna plate, the electromagnetic touch for inductive electromagnetic stylus are believed Number；Electromagnetic controller, it is respectively connected with the electromagnetic antenna plate and the Security Encryption module, for driving the electromagnetism day Line plate works and the electromagnetic antenna plate is controlled.

Further, the electromagnetic touch pen is connected with the electromagnetic controller.

Further, the touch panel unit also includes：Capacitance touching control panel, for sensing the touch letter of user's input Number；Capacitance controller, it is respectively connected with the capacitance touching control panel and the Security Encryption module, for driving the electric capacity Contact panel works and the capacitance touching control panel is controlled.

According to the utility model embodiment, by using the touch panel unit for the signature password that can receive user's input, And signature password is encrypted by Security Encryption module, ensure that former person's handwriting can not be intercepted and captured by main frame trojan horse program, ensure hand-written The safety of signature, so as to realize the security for ensureing signature password while the input of signature password.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the theory diagram of a specific example of cipher input in the utility model embodiment；

Fig. 2 is the theory diagram of another specific example of cipher input in the utility model embodiment；

Fig. 3 is the theory diagram of another specific example of cipher input in the utility model embodiment；

Fig. 4 is the theory diagram of another specific example of cipher input in the utility model embodiment；

Fig. 5 is the signal interaction schematic diagram of cipher input inner assembly in the utility model embodiment.

Reference：10- touch panel units, 20- Security Encryption modules, 30- system processors, 40- hubs, 101- electricity Magnetic antenna plate, 102- electromagnetic controllers, 103- LCDs, 104- driver modules, 105- capacitance touching control panels, 106- Capacitance controller, the Security Encryption modules of 201- first, the Security Encryption modules of 202- second, 203- encryption chips.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

, it is necessary to which explanation, term " first ", " second ", " the 3rd " are only used for describing in description of the present utility model Purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, The connection of two element internals is can also be, can be wireless connection or wired connection.For the common skill of this area For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Conflict can is not formed to be combined with each other.

The present embodiment provides a kind of cipher input, and the device, which can be linked into ATM etc., to be needed to input setting for password It is standby upper, as shown in figure 1, the device includes：Touch panel unit 10 and Security Encryption module 20.

Touch panel unit 10 is used for the signature password for receiving user's input.Security Encryption module 20 connects with touch panel unit 10 Connect, the signature password for being inputted to user is encrypted.As shown in Fig. 2 Security Encryption module 20 includes：Communication interface (bag Include P3, P4, P5, P7, P10 and P11), it is connected with touch panel unit 10；Encryption chip 203, is connected with communication interface (in figure not Show).In the present embodiment, touch panel unit be can receive user input signature password, for can on the touchscreen with The mode of signature realizes the input of password.Then the signature password of input is encrypted for Security Encryption module 20, so as to ensure to sign The security of word password.Then, the password after encryption is transferred to the system processor that cipher input accessed.

According to the utility model embodiment, by using the touch panel unit for the signature password that can receive user's input, And signature password is encrypted by Security Encryption module, ensure that former person's handwriting can not be intercepted and captured by main frame trojan horse program, ensure hand-written The safety of signature, so as to realize the security for ensureing signature password while the input of signature password.

In the present embodiment, described encryption chip can use TF32a09 encryption chips or IS32U320A encryption cores Piece, communication interface include at least one of：UART (universal asynchronous receiving-transmitting transmitter) interface, USB (USB) connect Mouth, IIC (IC bus) interface.It should be noted that in the embodiment of the present invention, different communication interfaces may be used to The transmission of identical data, simply communication protocol difference be present.In the embodiment of the present invention, the communication set on Security Encryption module connects Mouth can have it is a variety of, such as simultaneously include UART interface, USB interface, IIC interfaces, each of which interface can set more It is individual.Which kind of specifically chosen interface depends on the interface of touch panel unit, in the embodiment of the present invention, increases on Security Encryption module 20 Add an interface, convenient selection.

Because TF32a09 encryption chips or IS32U320A encryption chips are presently commercially available encryption chip, this is used as Art personnel, after the function of the chip is obtained, the connected mode of its pin and external circuit is the routine of this area Operation is set, not repeated here.

Preferably, touch panel unit 10 is additionally operable to receive the character password of user's input；Security Encryption module 20 is additionally operable to The character password of user's input is encrypted.

In the utility model embodiment, touch panel unit can be also used for receiving the character password of user's input, such as count The characters such as word, letter, symbol, these characters are shown in the form of button.

Preferably, as shown in figure 3, touch panel unit 10 includes：LCDs 103, for showing the aobvious of Password Input Show interface；Driver module 104, it is respectively connected with LCDs 103 and Security Encryption module 20, for driving liquid crystal Display screen 103 shows the display interface of Password Input.In the present embodiment, LCDs 103 can show interface for password input, The echo data of input password can also be shown, such as with " * " number password shown etc..

Further, driver module 104 is also connected with system processor 30, wherein, system processor 30 is close The processor for the system that code input unit is accessed.For example, when cipher input is linked into ATM, the system processor 30 can be the processor of the ATM.Connection, so, system will be established between driver module 104 and system processor 30 The can of processor 30 control driver module 104 drives LCDs to show corresponding content.In other words, this implementation In example, LCDs can both show the content that cipher input control (Security Encryption module control) is shown, can be with The content of display system processor control display.

Preferably, as shown in figure 3, touch panel unit 10 includes：Electromagnetic antenna plate 101, for inductive electromagnetic stylus Electromagnetic touch signal；Electromagnetic controller 102, it is respectively connected with electromagnetic antenna plate 101 and Security Encryption module 20, for driving Electromagnetic antenna plate 101 works and electromagnetic antenna plate 101 is controlled.

In the present embodiment, realized by integrating electromagnetic antenna plate 101 and its electromagnetic controller 102 in touch panel unit Identification to password of signing.Specifically, user is signed by electromagnetic touch pen on the electromagnetic antenna plate 101 of touch panel unit, Signature is received in the form of electromagnetic touch signal by electromagnetic antenna plate 101, is then transferred to safety via electromagnetic controller 102 Encrypting module 20, is then encrypted, and the data after encryption are transferred to system processor 30, in addition, Security Encryption module The signature track data seen when also control echo data refer to hand-written, it is different with former handwriting data, it is impossible to be reduced into original Handwriting data.

In the present embodiment, a kind of example of the ciphering process for password of signing is as shown in figure 5, wherein, by electromagnetic antenna plate 101 It is electromagnetic handwritten data to receive the user signature track that passes through the input of electromagnetic touch pen, via electromagnetic controller 102 send to Security Encryption module 20.Because encryption data amount is bigger, the RAM that Security Encryption module carries is smaller, it is impossible to which caching is all Original handwriting data, therefore, sectional encryption is carried out to original handwriting data first with dynamic key A, encryption every time obtains single Encryption data M, system processor 30 caches all encryption data M, then working key and single encryption data M are sent into safety Encrypting module 20, Security Encryption module 20 obtain original handwriting data, Ran Houli using single encryption data M is encrypted It is encrypted with work data key, obtains encryption data N and be sent to system processor 30, the caching of system processor 30 is all Encryption data N.

Preferably, electromagnetic touch pen is connected with electromagnetic controller.In order to control electromagnetic touch by electromagnetic controller The use of pen or deactivation.

Preferably, as shown in figure 3, touch panel unit 10 also includes：Capacitance touching control panel 105, for sensing user's input Touch signal；Capacitance controller 106, it is respectively connected with capacitance touching control panel 105 and Security Encryption module 20, for driving Capacitance touching control panel 105 works and capacitance touching control panel 105 is controlled.

Capacitance touching control panel 105 is additionally provided with the present embodiment, in touch panel unit, LCDs can be coordinated to show Virtual key, and identify character corresponding to the coordinate where virtual key.Capacitance touching control panel 105 and LCDs 103 1 Rise and form capacitance touch screen, become safe password keyboard after module safe to use, code keypad symbolic key can dynamically change position Put, button size can be different, can be higher by driver module OSD display keyboard pictures, safe class.Can be simultaneously Support touch and keystroke handling.Can be modeled to simultaneously multiple point touching screen equipment, absolute cursor device, keyboard equipment, input it is defeated Go out equipment.

Preferably, as shown in figure 3, Security Encryption module 20 includes：First Security Encryption module 201, with touch panel unit 10 are connected, and the signature password for being inputted to user is encrypted；Second Security Encryption module 202, with touch panel unit 10 It is connected, for the password symbol that user inputs to be encrypted.Specifically, the first Security Encryption module 201 and Electromagnetic Control Device 102 is connected, and the second Security Encryption module 202 is respectively connected with capacitance controller 106 and driver module 104.This In embodiment, by setting two Security Encryption modules, so as to reduce the design difficulty of Security Encryption module.

Further, cipher input also includes：Hub 40, with the first Security Encryption module 201 and the second safety Encrypting module 202 is respectively connected with.Wherein, system processor 30 passes through the Security Encryption module 201 of hub 40 and first and Two Security Encryption modules 202 are connected.

Hub 40 can be USB HUB modules, and two USB devices, two safety encryptions are connected using USB HUB modules Module (the first Security Encryption module 201 and the second Security Encryption module 202) is connected to hub 40 by USB interface respectively On, it is only necessary to a USB cable is connected on system processor, using more convenient.

It should be noted that when Security Encryption module is realized by a security module, then USB HUB modules are not needed, this When Security Encryption module can be connected by UART interface or USB interface with system processor, so more save resource, drop Low cost.

Specifically, as shown in figure 4, Security Encryption module 20 respectively with electromagnetic controller 102, capacitance controller 106 and aobvious Show that drive module 104 and system processor 30 are respectively connected with, realize signature password respectively by a Security Encryption module Encryption and the encryption of password symbol, for the embodiment using two encrypting modules, reduce Security Encryption module Quantity, and without hub, reduce cost.

In the embodiment of the present invention, the interface being connected on Security Encryption module with above-mentioned capacitance controller and electromagnetic controller can Can be connected by IIC interfaces or UART interface with driver module including UART interface, IIC interfaces, USB interface Connect.Specific connected mode includes following instance：

Example 1:Electromagnetic controller is connected by UART interface, and capacitance controller is connected by IIC interfaces, display driving mould Block is connected by UART interface；

Example 2:Electromagnetic controller is connected by IIC interfaces, and capacitance controller is connected by UART interface, display driving mould Block is connected by UART interface；

Example 3:Electromagnetism screen controller is connected by USB device interfaces, and capacitance controller is connected by UART interface, Driver module is connected by UART interface；

Example 4:Electromagnetism screen controller is connected by UART interface, and capacitance controller is connected by USB device interfaces, Driver module is connected by UART interface；

Example 5:Electromagnetism screen controller is connected by UART interface, and capacitance controller is connected by USB device interfaces, Driver module is connected by IIC interfaces.

Preferably, Security Encryption module also includes：Self-destruction circuit, for when detecting cipher input by disassembling Wipe the key and code data in the Security Encryption module.In the present embodiment, self-destruction circuit can be disassembled in device When wipe some sensitive datas, even by program firmware erasing, ensure that Security Encryption module after being disassembled, can not be got Internal data storage, further ensure the security of password.

Preferably, the cipher input of the present embodiment also includes：Peep-proof piece, is arranged on capacitance touch control board and liquid crystal display Between screen, for preventing other people from peeping the password of user's input, the security of Password Input is further improved.

Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among the protection domain that variation is created still in the utility model.

Claims (10)

1. A kind of 1. cipher input, it is characterised in that including：

   Touch panel unit, for receiving the signature password of user's input；

   Security Encryption module, it is connected with the touch panel unit, the signature password for being inputted to the user is encrypted, its In, the Security Encryption module includes：Communication interface, it is connected with the touch panel unit；Encryption chip, with the communication interface Connection.
2. 2. device according to claim 1, it is characterised in that the encryption chip using TF32a09 encryption chips or IS32U320A encryption chips, the communication interface include at least one of：UART interface, USB interface, IIC interfaces.
3. 3. device according to claim 1, it is characterised in that the Security Encryption module includes：

   First Security Encryption module, it is connected with the touch panel unit, the signature password for being inputted to the user is carried out Encryption；

   Second Security Encryption module, it is connected with the touch panel unit, the password symbol for being inputted to the user is carried out Encryption.
4. 4. device according to claim 3, it is characterised in that also include：

   Hub, it is respectively connected with first Security Encryption module and second Security Encryption module.
5. 5. device according to claim 1, it is characterised in that the touch panel unit includes：

   LCDs, for showing the display interface of Password Input；

   Driver module, it is respectively connected with the LCDs and the Security Encryption module, for driving the liquid Crystal display screen shows the display interface of the Password Input.
6. 6. device according to claim 5, it is characterised in that the driver module is also connected with system processor Connect, wherein, the processor for the system that the system processor is accessed by the cipher input.
7. 7. device according to claim 1, it is characterised in that the Security Encryption module also includes：

   Self-destruction circuit, for detecting the cipher input by close in wiping the Security Encryption module when disassembling Key and code data.
8. 8. device according to any one of claim 1 to 7, it is characterised in that the touch panel unit includes：

   Electromagnetic antenna plate, the electromagnetic touch signal for inductive electromagnetic stylus；

   Electromagnetic controller, it is respectively connected with the electromagnetic antenna plate and the Security Encryption module, for driving the electromagnetism Antenna plate works and the electromagnetic antenna plate is controlled.
9. 9. device according to claim 8, it is characterised in that the electromagnetic touch pen is connected with the electromagnetic controller Connect.
10. 10. device according to claim 8, it is characterised in that the touch panel unit also includes：

    Capacitance touching control panel, for sensing the touch signal of user's input；

    Capacitance controller, it is respectively connected with the capacitance touching control panel and the Security Encryption module, for driving the electricity Hold contact panel to work and be controlled the capacitance touching control panel.