CN205912066U - Based on inductance type touch -control hardware data encryption device - Google Patents

Abstract

The utility model discloses a based on inductance type touch -control hardware data encryption device relates to data encryption technical field. Its inductance type touch module's perception layer is used for gathering the handwritten person's handwriting signal of active electromagnetism pen, touch -control data acquisition module will gather the touch -control data that real -time inductance type touch module produced, and carry out data conversion with the touch -control data transfer that gathers to a data conversion module, data transfer after the conversion is to the key generation module and generate the ciphertext, it encrypts the ciphertext operation and saves at data storage module to encrypt operation module, deciphering operation module can decrypt the operation with black ciphertext data, and convey the data of deciphering to the host computer through the 2nd data conversion module conversion title touch -control command signal and write by hand person's handwriting signal display. Security, integrality, usability and the non -repudiation of this encryption device through encrypting the handwritten electronic information of luck tendency module assurance.

Description

One kind is based on inductive touch control hardware data encryption device

Technical field

This utility model is related to data encryption technology field, and more particularly, to a kind of inductive touch control hardware data that is based on is encrypted Device.

Background technology

Currently, domestic many information network application system safety problem ratio more prominent, exist very big risk and Dangerous.The safety equipment that some important network application systems use are all directly to introduce it is difficult to ensure safety from abroad Using and effective monitoring；Meanwhile, there is also the competition of technology and commercial interest between enterprise；There is individual between men Privacy, if being not intended to, with clear-text way transmission, the sensitive information that third party's (or adverse party) knows by network, either leads to Cross wireless or wire transmission, the sensitive information being transmitted is easy to be eavesdropped by third party, if transmitting on the common channels Information is transmitted in the way of ciphertext, makes listener-in be difficult to obtain useful information, then can reach the purpose of secure communication.

Information security mainly uses safety, integrity, availability and the non-repudiation that cryptographic technique carrys out guarantee information, Its technology mainly includes several aspects such as monitoring, scanning, detection, encryption, certification, attack protection, anti-virus and audit, wherein plus Secret skill art, also referred to as cryptographic technique, are a kind of the most practical and most reliable methods that computerized information is protected, and are information peaces Full core technology, has penetrated among most of safety product.At present in time writer touch-control field, also it is not encrypted Process, substitute traditionally on paper write mode as increasing electronic writing pattern can become, but the information of electronic writing There is potential safety hazard in safety, be easily stolen, and safety is not high.

Utility model content

Technical problem to be solved in the utility model is to provide one kind to be based on inductive touch control hardware data encryption device, This device can effectively ensure the safety of electronic writing information by cryptographic calculation module.

For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of hard based on inductive touch control Part data encryption, deciphering device, including inductive touch control module, touch data acquisition module, the first data conversion module, key Generation module, cryptographic calculation module, data memory module, deciphering computing module, the second data conversion module, described inductance type touches The sensing layer of control module is used for gathering the handwriting signal of active electromagnetic pen, and described touch data acquisition module will gather real When the touch data that produces of inductive touch control module, and the touch data of collection be sent to the first data conversion module enter line number According to conversion, the data after conversion is sent to key production module and generates ciphertext, and ciphertext is encrypted fortune by cryptographic calculation module Calculate and be stored in data memory module, the ciphertext data of encryption can be decrypted computing by described deciphering computing module, and will solve Close data by second data conversion module conversion claim touch command signal be sent to host computer carry out handwriting signal show Show.

The technical scheme optimizing further is that the sensing layer of described inductive touch control module adopts array induction coil electricity Road, and it is marked with x-axis and y-axis coordinate system.

The technical scheme optimizing further is that described ciphertext comprises ciphertext based on key production module and in order to being based on The ciphertext of key production module is decrypted and ciphertext to be decrypted.

The technical scheme optimizing further is described cryptographic calculation module and deciphering computing module is based in des algorithm Ecb pattern encrypts and decrypts to data.

Have the beneficial effects that using produced by technique scheme: cryptographic calculation module of the present utility model passes through des Ecb pattern in algorithm is encrypted to hand-written data, carries out the combination of data and key through des computing module, completes to count According to encryption and decryption computing；Thus realizing the safeguard protection to hand-written data, simultaneously also can be by deciphering computing module to encryption Data be decrypted process, the data of decryption processing carries out showing electronic handwritten data by host computer；This utility model is adopted It is hardware cipher mode, be to be realized by the hardware encryption device outside independent of host computer system, all critical datas Storage, computing are all internally realized by hardware, do not account for host resource, and soon, safety is higher for speed, stability and compatibility Relatively good.

Brief description

Fig. 1 is this utility model theory diagram.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.

As shown in figure 1, the utility model discloses a kind of encrypted based on inductive touch control hardware data, decipher device, bag Include inductive touch control module, touch data acquisition module, the first data conversion module, key production module, cryptographic calculation module, Data memory module, deciphering computing module, the second data conversion module, the sensing layer of described inductive touch control module is used for gathering The handwriting signal of active electromagnetic pen, described touch data acquisition module will gather what real-time inductive touch control module produced Touch data, and the touch data of collection is sent to the first data conversion module carries out data conversion, the data after conversion passes Deliver to key production module and generate ciphertext, ciphertext is encrypted computing and is stored in data storage mould by cryptographic calculation module Block, the ciphertext data of encryption can be decrypted computing by described deciphering computing module, and the data of deciphering is passed through the second data Modular converter conversion claims touch command signal to be sent to host computer and carry out handwriting signal to show.

The embodiment optimizing further is that the sensing layer of described inductive touch control module adopts array induction coil circuit, And it is marked with x-axis and y-axis coordinate system.

The embodiment optimizing further is that described ciphertext comprises ciphertext based on key production module and in order to based on close The ciphertext of key generation module is decrypted and ciphertext to be decrypted.

The embodiment optimizing further is described cryptographic calculation module and deciphering computing module is based in des algorithm Ecb pattern encrypts and decrypts to data.

This utility model principle: the sensing layer of inductance touch-control module is positioned x/y axle in array fashion, with active electric The mode of magnetic pen z-axis sensing learns depth, and when writing, electromagnetic signal is synchronized to be sent to touch data acquisition module, inductance Formula touch-control processing module passes to hardware cryptographic calculation module by spi signal of communication, and encrypting module is with hexadecimal code computing Data is passed to pc by mode, and cryptographic calculation module is encrypted to hand-written data by des ecb mode encryption, by des plus Close hand-written data passes through usb interface and upper machine communication, and ciphertext data can be retained in local side, backstage by host computer application app This number can be preserved by application according to passing to server, and in addition a road encryption data can be deciphered reduction truthful data by app and be uploaded to Display, application end, by the encrypted encoded data receiving, is converted into touch command collection by decipherment algorithm and is handed over pc bottom data Mutually, form encryption function.This utility model uses hardware cipher mode, is to be added by the hardware outside independent of host computer system Close equipment is realized, and the storage of all critical datas, computing are all internally realized by hardware, do not account for host resource, and speed is fast, Safety is higher, and stability and compatibility are also relatively good.

Claims (4)

1. a kind of based on inductive touch control hardware data encryption device it is characterised in that: include inductive touch control module, touch-control number According to acquisition module, the first data conversion module, key production module, cryptographic calculation module, data memory module, deciphering computing mould Block, the second data conversion module, the sensing layer of described inductive touch control module is used for gathering the handwriting of active electromagnetic pen Signal, described touch data acquisition module will gather the touch data that real-time inductive touch control module produces, and touching collection Control data is sent to the first data conversion module and carries out data conversion, and the data after conversion is sent to key production module and generates Ciphertext, ciphertext is encrypted computing and is stored in data memory module by cryptographic calculation module, and described deciphering computing module can be by The ciphertext data of encryption is decrypted computing, and the data of deciphering is passed through the second data conversion module conversion title touch command letter Number it is sent to host computer and carries out handwriting signal and show.

2. according to claim 1 a kind of based on the encryption of inductive touch control hardware data, deciphering device it is characterised in that: The sensing layer of described inductive touch control module adopts array induction coil circuit, and is marked with x-axis and y-axis coordinate system.

3. according to claim 1 a kind of based on the encryption of inductive touch control hardware data, deciphering device it is characterised in that: Described ciphertext comprises ciphertext based on key production module and in order to treat to being decrypted based on the ciphertext of key production module The ciphertext of deciphering.

4. according to claim 1 a kind of based on the encryption of inductive touch control hardware data, deciphering device it is characterised in that: Described cryptographic calculation module and deciphering computing module are based on the ecb pattern in des algorithm, data to be encrypted and decrypted.