Intelligent PAD based on TD-SCDMA
Technical field
The utility model relates to a kind of intelligent terminal, is specifically related to a kind of intelligent PAD based on TD-SCDMA.
Background technology
Existing intelligent terminal, as mobile phone, PAD etc.Main application function is internet, applications, function of voice communication, short message, micro-telecommunication function, mail and OFFICE document process function.Existing intelligent terminal has an obvious defect, does not possess Information Security Mechanism, does not also have digital certificate to implant, in application and operating process, cannot ensure information safety, make intelligent terminal in use, easily cause relevant information to reveal, by malicious attack, be ravesdropping etc.While applying on the platform that has requirement digital signature and information security to require at some, cannot be suitable for.
Utility model content
The utility model does not possess Information Security Mechanism for solving existing smart machine, there is no digital certificate checking, causes in application process, and the problem that cannot ensure information safety, provides a kind of intelligent PAD based on TD-SCDMA.
Intelligent PAD based on TD-SCDMA, comprises the WiFi module, TD-SCDMA communication module, PKI and CPK information security module, encrypting and decrypting module, hard disk or SD card, SIM-KEY and TF-KEY interface module, touch screen or display screen and the power module that are connected with embedded main board; Described TD-SCDMA communication module is connected with CPK information security module with PKI respectively with WiFi module, and PKI is connected with TF-KEY interface module with SIM-KEY with CPK information security module; Described WiFi module is connected with encrypting and decrypting module, and encrypting and decrypting module and hard disk or SD card and touch screen or display screen are connected, and described power module is above-mentioned each module for power supply.
Described power module is high capacity lithium ion battery.
PKI described in the utility model and CPK information security module: the checking based on WiFi model and digital certificate; Related data information is carried out to digital signature and authentication, and the digital certificate of downloading corresponding platform appointment on corresponding internet platform, to the KEY equipment in SIM-KEY and TF-KEY interface module, is registered; From the KEY equipment of SIM-KEY and TF-KEY interface module, read corresponding key file, after deciphering, be sent to encrypting and decrypting module; Encrypting and decrypting module: to close state data file and the information in hard disk or SD card, and the close state data file and the information that by internet or other memory carrier, receive, the key file that adopts PKI and CPK information security module to provide is decrypted, and exports or shows by display screen; The clear data information of storing in hard disk or SD card or the clear data information that receives by WiFi module or TD-SCDMA communication module are encrypted, by WIFI module, upload or be stored in hard disk or SD card; SIM-KEY and TF-KEY interface module: for inserting the read-write of the KEY equipment of SIM-KEY or TF-KEY, cipher key change; TD-SCDMA communication module: provide based on 3G network and connect and voice communication, and by PKI and CPK information security module, accessed target is carried out to the authentication of information security system; By encrypting and decrypting module, to carrying out data and the voice communication of network exchange, carry out encryption and decryption operation.Display screen and touch screen: as the display interface of man-machine interaction, realize information interaction; WiFi module: for for wireless network link, realize data interaction, and by PKI and CPK information security module, accessed target is carried out to the authentication of information security system; By encrypting and decrypting module, to carrying out data and the voice communication of network exchange, carry out encryption and decryption operation.
Principle of the present utility model: the utility model adopts Embedded System Structure design, mainly on universal intelligent Terminal Design, realized, the information security standard that meets PKI public-key cryptosystem and CPK Conbined public or double key system, make intelligent terminal product can become an intelligent terminal that meets information security standard, possesses digital certificate standard system, can download the digital certificate at different CA center, realize digital signature, authentication, realize data encrypting and deciphering application.In exchanges data, in transmission application, especially, in internet, applications, guarantee information security, do not attacked, do not divulged a secret.Design has realized the special purpose interface that meets information security standard based on SIM-KEY and TF-KEY equipment, can directly use SIM-KEY and TF-KEY equipment.The communication pattern of TD-SCDMA is supported in design.
The beneficial effects of the utility model: intelligent PAD described in the utility model has had security assurance information mechanism, can guarantee intelligent terminal in the Internet and communication, in document mail treatment process, has had safety guarantee.Can realize anti-the Internet and attack, possess digital certificate, realize digital signature and checking, guarantee information security.
Accompanying drawing explanation
Fig. 1 is the hardware structure figure of the intelligent PAD based on TD-SCDMA described in the utility model;
Fig. 2 is the modularization schematic diagram of the intelligent PAD based on TD-SCDMA described in the utility model.
Embodiment
Embodiment one, in conjunction with Fig. 1 and Fig. 2, present embodiment is described, intelligent PAD based on TD-SCDMA, comprise 5 cun~10.1 cun display screens: being mainly used in showing the content of man-machine interaction, can be the display screen of different indexs and quality, conventionally have the brands such as Philip, strange U.S.; Multi-point touch screen: mainly realize the multi-point touch operation of intelligent terminal, easy to use; TD-SCDMA communication module: mainly realize TD-SCDMA voice call and data function of surfing the Net, the chip model that described PKI and CPK information security module require: HS08K(SSX1106), HS32U2, TF32A09 or VK8001, encrypting and decrypting module adopts special-purpose high-speed encryption and decryption chip: SSX30, mainly realize all Design of Information Security of intelligent terminal product, guarantee product security assurance information in use, comprise digital certificate, signature authentication, authentication; Encrypting and decrypting module: mainly realize the data of all needs and information, realize encryption and decryption function and application thereof; SIM-KEY and TF-KEY interface module: the main application interface that is connected SIM-KEY and TF-KEY equipment of realizing.WiFi module: mainly realize WiFi wireless networking capabilities.Also comprise bluetooth module, described bluetooth module is connected with embedded main board, mainly realizes bluetooth data communication and interactive function; High-capacity lithium battery and power supply module: for product provides power supply.
The course of work of the intelligent PAD based on TD-SCDMA described in present embodiment is:
One, by the power key of described PAD, start, enters the main interface of Andriod operating system, and what user can be according to oneself need to carry out any operation.
Two, when user need to be by certain backstage of access, when it needs corresponding digital certificate and KEY device authentication to log in, by network login, arrive this back bench web, download its digital certificate to the supporting KEY equipment of this intelligence PAD in, in follow-up operation, by this product and this backstage carrying out all operations, data interaction, is all under the system of information security, to carry out guaranteeing, such as Net silver is used, digital certificate signature, checking, data encrypting and deciphering operation etc.
If three users carry out OFFICE document function or mail transmission/reception, can utilize the digital certificate in KEY equipment, and PKI or CPK information security module and encrypting and decrypting module, mail and relevant OFFICE document are encrypted, deciphering, the operations such as digital signature, and then send, transmit or preserve.
When if a plurality of users use the intelligent PAD described in present embodiment, they are the contact based on the Internet each other, exchanges data, mail contact etc., can carry out digital signature, carry out exchanges data and the information interaction of complete close state (all swap data and information are all encrypted), so just guarantee the fail safe in the Internet and interactive application.So just form intelligent terminal tissue or a colony based under information security Convention Mechanism, guaranteed data on intelligent terminal is applied of tissue and colony and the fail safe of information.
Intelligent PAD described in present embodiment realize PKI public-key cryptosystem and+CPK Conbined public or double key system, realize information security application, on intelligent terminal, design realizes exchanges data, information interaction, the safety of information communication.Realized digital certificate, digital signature and authentication.Design realizes encryption and decryption, safe transmission and the exchange of information data, content.In carrying out voice call, transmitting data file, mail contact, realized the transmission of complete close state.
The main board system of intelligent PAD described in present embodiment adopts universal intelligent terminal mainboard scheme as basic engineering, on hardware, increase design TD-SCDMA module, design hardware WiFi wireless network module, design meets the information security module of PKI public-key cryptosystem and CPK Conbined public or double key system, encrypting and decrypting module, SIM-KEY and TF-KEY read-write interface module.The above operating system of Andriod4.0 is installed, based on operating system research and development design, realize the application system that meets PKI and CPK information security standard, digital certificate and relevant control, data ciphering and deciphering modular unit and application thereof, in conjunction with TD-SCDMA hardware communications modular design, realize TD-SCDMA voice call and data online application function, in conjunction with WiFi modular design, realize WiFi wireless networking capabilities and application.