CN105227299A - A kind of data encrypting and deciphering management equipment and application process thereof - Google Patents
A kind of data encrypting and deciphering management equipment and application process thereof Download PDFInfo
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- CN105227299A CN105227299A CN201510457840.5A CN201510457840A CN105227299A CN 105227299 A CN105227299 A CN 105227299A CN 201510457840 A CN201510457840 A CN 201510457840A CN 105227299 A CN105227299 A CN 105227299A
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Abstract
The invention provides a kind of data encrypting and deciphering management equipment and application process thereof, wherein data encrypting and deciphering management equipment comprises pcb board and turns serial port module by the USB that pcb board is integrated, key production module, storage chip, AES module, Encryption Decryption module and file memory, storage chip comprises core processor and internal memory respectively, key production module and USB turn that serial port module is two-way to be connected, its input is connected with AES module with storage chip respectively simultaneously, Encryption Decryption module is connected with storage chip is two-way, its input is connected with key production module, file memory respectively with Encryption Decryption module, key production module is two-way to be connected, wherein key production module, AES module and Encryption Decryption module, store by core processor command file memory or discharge encrypting and decrypting identification file and mate encrypt file to external equipment, by the combination of previous constructions, solve the technical problem of data encryption and deciphering, reach convenience, the good result that quick and fail safe is high.
Description
Technical field
The invention provides a kind of data encrypting and deciphering management equipment and application process thereof.
Background technology
Along with the development of smart machine, the memory space of electronic equipment is increasing, and carry also more and more inconvenient, a lot of user preserves secret file in the memory space such as office computer, network (as net dish).Owing to belonging to public resource in these memory spaces, its confidentiality is strong, is easy to the phenomenon that the stolen or network cipher of generation equipment is cracked.For these problems, market has occurred the guard method of multi-layer security, these methods remain have been applied by software cryptography.The mode of usual realization is: arranging security password (can be digits plus letters, also can be pattern), user log-in authentication just can enter private space, can carry out specified file encryption in private space, also can decipher further at the file encrypted.But there are two main problems in such method: one is the performance issue of encryption and decryption.Because for comparatively large files by software cryptography, to be encrypted the completing such as to need, namely use software performance and turn-head-rate low.Particularly for a large amount of picture or video, even if adopt Partial encryption, when needs are browsed, also need the time to decipher, software cryptography deciphering also easily destroys file and storage hardware frequently simultaneously; Two is there is safety issue.Encryption software in the market often only has by adding infill layer, although add infill layer to decrease risk, but program is complicated and easily pass out of mind when using, mobile phone checking login is newly gone out so just push away, but mobile phone checking logs in also has inconvenience, as network service time delay, mobile phone identifying code input error etc., all can cause puzzlement to user.Therefore, need badly and propose a kind of easy to use, quick and fail safe high encryption technology, the encrypting and decrypting demand of people for vital document or data could be met.
Summary of the invention
For solving the problems of the technologies described above, main purpose of the present invention is to provide a kind of data encrypting and deciphering management equipment.
For reaching above-mentioned purpose, the technical scheme of the present invention's application is: a kind of data encrypting and deciphering management equipment, be connected with external equipment by USB connector, and comprise pcb board and turn serial port module by the USB that pcb board is integrated, key production module, storage chip, AES module, Encryption Decryption module and file memory, wherein: storage chip comprises core processor and internal memory respectively, key production module and USB turn that serial port module is two-way to be connected, its input is connected with AES module with storage chip respectively simultaneously, Encryption Decryption module is connected with storage chip is two-way, its input is connected with key production module, file memory respectively with Encryption Decryption module, key production module is two-way to be connected, wherein key production module, AES module and Encryption Decryption module, store by core processor command file memory or discharge encrypting and decrypting identification file and mate encrypt file to external equipment, realize the encryption and decryption of data by this.
Preferred in embodiments of the present invention, core processor is logical operation equipment, and internal memory is the spatial cache that program is run.
Preferred in embodiments of the present invention, external equipment comprises mobile terminal and PC end.
Preferred in embodiments of the present invention, external equipment also comprises hard disk, floppy disk and has the equipment of memory space.
For solving the problems of the technologies described above, main purpose of the present invention is the application process providing a kind of data encrypting and deciphering management equipment.
For reaching above-mentioned purpose, the technical scheme of the present invention's application is: a kind of application process of data encrypting and deciphering management equipment, on the basis of data encrypting and deciphering management equipment, file in external equipment is encrypted and stores or deciphering reading, wherein, the application process of data encrypting and deciphering management equipment comprises:
The first, data encrypting and deciphering management equipment is plugged in external equipment, makes it to realize electrically conducting with external equipment;
The second, encrypt and decrypt, when the file needing in data encrypting and deciphering management equipment identification external equipment to encrypt is state to be encrypted, will encrypts key information needed and obtain the combination of external equipment encryption key information needed; When identify the file in external equipment be encrypted state time, the key information of coupling encrypting storing, makes the file preserved in external equipment mate encrypting and decrypting identification file, opens by this and read the encrypt file in external equipment;
3rd, when when acquisition key is combining information, sets up encrypting and decrypting identification file by key combining information and be kept in file memory;
4th, be kept at encrypting and decrypting identification file in file memory through storage chip instruction, its data-signal can be directly delivered to Encryption Decryption module, turns back to key production module after also making match cognization by Encryption Decryption module;
5th, when data-signal is directly delivered to Encryption Decryption module, Encryption Decryption module release encrypting and decrypting identification file data signals, data-signal is sequentially turned serial port module through key production module, USB and is transferred to encrypted file data Signal Matching with external equipment in external equipment by Encryption Decryption module again, opens by this and reads encrypt file; When data-signal turns back to key production module, key production module data-signal is passed on USB turn serial port module be delivered to external equipment again and with the encrypted file data Signal Matching of external equipment, open by this and read encrypt file; When the data-signal of Encryption Decryption module release cannot mate the data-signal of the encrypt file in external equipment, the encrypt file in external equipment then cannot be opened.
Preferred in embodiments of the present invention, it is characterized in that: use encryption key to carry out AES encryption to data, under the acting in conjunction of key production module, AES module and Encryption Decryption module, again through the logic instruction of core processor, make encrypting and decrypting identification file be kept in file memory, make the encrypt file in external equipment not preserve with plaintext version in external equipment simultaneously.
Preferred in embodiments of the present invention, deciphering key is used to carry out AES deciphering to data, under the acting in conjunction of key production module, AES module and Encryption Decryption module, again through the logic instruction of core processor, the encrypting and decrypting identification file be kept in file memory is mated with the encrypt file do not preserved with plaintext version, opens by this and read encrypt file.
Preferred in embodiments of the present invention, data encrypting and deciphering management equipment is plugged in external equipment, is to turn serial port module by USB and external equipment establishes a communications link.
Preferred in embodiments of the present invention, it is that connector by matching with USB connector in USB connector and external equipment connects that USB turns serial port module.
Preferred in embodiments of the present invention, USB turns serial port module and forms privately owned bus by USB connector, make external equipment turn SATA by USB to set up data transmission channel with secret generation module, make USB turn serial port module by this and external equipment sets up data transmission channel.
Compared with prior art, its useful effect is in the present invention:
One is by usage data encryption and decryption management equipment, and user data is not preserved with clear-text way, and third party cannot get cleartext information, thus reaches the good result of information security;
Two is use AES encryption algorithm, plays the effect of convenient, fast application;
Three is by private data Port Profile, and other people cannot open memory device with the puppy parc of universal port, improve fail safe further;
Four is that encryption and decryption key is kept in key card memory, is not kept in external equipment, if other people take hard disk apart by violence, is not having encryption and decryption key also cannot get clear text file, is avoiding all avoidable risks.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the schematic flow sheet of the embodiment of the present invention.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in further detail.Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining technical scheme of the present invention, and not should be understood to limitation of the present invention.
In describing the invention, term " interior ", " outward ", " longitudinal direction ", " transverse direction ", " on ", D score, " top ", the orientation of the instruction such as " end " or position relationship be based on orientation shown in the drawings or position relationship, be only the present invention for convenience of description instead of require that the present invention with specific azimuth configuration and operation, therefore must not should be understood to limitation of the present invention.
Refer to shown in Fig. 1, propose a kind of data encrypting and deciphering management equipment (being commonly called as U-Key), it is connected with external equipment (as mobile terminal, PC end) by USB connector, and comprise pcb board (not shown) and turn serial port module, key production module, storage chip, AES module, Encryption Decryption module and file memory by the USB that pcb board is integrated, wherein:
Storage chip comprises core processor and internal memory respectively, it not only provides encrypting and decrypting function, and a built-in little memory space, the SDK that this space can only be provided by manufacturer could access, and can be used for preserving private data, or sets up data binding relation, under special circumstances for date restoring, its major function is still store, and during the SDK interface provided not using manufacturer, what CPU recognized is flash chip;
Key production module, AES module and Encryption Decryption module, use core processor operation file memory, complete the encryption and decryption process of data by this, particularly:
Key production module and USB turn that serial port module is two-way to be connected, and its input is connected with AES module with storage chip respectively simultaneously; The Main Function of key production module generates the key for encryption and decryption, the job step as key production module:
First, obtain external equipment unique ID, and storage enciphered storage chip No. SN and obtain the filename of encryption or declassified document;
Secondly, according to these information, logical operation interface F1(is realized as Key=F1 (Key1, Key2); By interface, can finally for file encryption/decryption module provides the key needed for storage enciphered storage chip.
(AES is AdvancedEncryptionStandard abbreviation to AES module, for Advanced Encryption Standard) its input is connected with storage chip, main use symmetric encipherment algorithm provides cryptographic algorithm interface for key production module, it, by obtaining the encrypt data after Key and enciphered data generation encryption, realizes following encipher interface E1:
Key1＝E1(String1，String2)；
Key2＝E1(String1，FileName)；
Encryption Decryption module is connected with storage chip is two-way, its input is connected with key production module, major function is encryption and decryption, wherein: Encryption Decryption module software-oriented is the SDK of storage enciphered storage chip, comprise chip initiation, equipment is opened, key is set, read and write private data district, enciphered data and data decryption and delete data etc.;
File memory is respectively with Encryption Decryption module and key production module is two-way is connected, and its major function is in conjunction with above-mentioned functions of modules and accepts core processor instruction storage file, thus completes the encryption and decryption process of data.
Refer to shown in Fig. 2, provide a kind of application process of data encrypting and deciphering management equipment, be realize on the basis of the data encrypting and deciphering management equipment shown in Fig. 1 for storing the file encryption in external equipment and deciphering the object read, its method step comprises:
The first, data encrypting and deciphering management equipment is plugged in external equipment, makes it to realize electrically conducting with external equipment;
The second, encrypt and decrypt identification, when being identified as state to be encrypted, will encrypting key information needed and obtaining the combination of external equipment encryption key information needed; When be identified as encrypted state time, the key information of coupling encrypting storing, makes the File Open preserved in external equipment and reads;
3rd, when obtaining key combining information, setting up encrypting and decrypting identification file by key combining information and being kept in file memory;
4th, be kept at encrypting and decrypting identification file in file memory through storage chip instruction, its data-signal can be directly delivered to Encryption Decryption module, turns back to key production module after also making match cognization by Encryption Decryption module;
5th, when data-signal is directly delivered to Encryption Decryption module, Encryption Decryption module coupling encrypting and decrypting identification file, the data-signal of coupling is sequentially turned serial port module through key production module, USB and is transferred in external equipment and is opened and reading by encrypt file by Encryption Decryption module again; When data-signal turns back to key production module, data-signal is passed on USB and is turned serial port module and be delivered to external equipment again by key production module, and is opened and reading by the encrypt file in external equipment; When cannot mate the encrypt file in external equipment when Encryption Decryption module, the encrypt file in external equipment then cannot be opened.
In embodiments of the present invention, encryption key is used to carry out AES encryption to data, under the acting in conjunction of key production module, AES module and Encryption Decryption module, again through the logic instruction of core processor, encrypting and decrypting identification file is made to be kept in file memory, make the encrypt file in external equipment not preserve with plaintext version in external equipment simultaneously, just complete the ciphering process of data by this.
In embodiments of the present invention, deciphering key is used to carry out AES deciphering to data, under the acting in conjunction of key production module, AES module and Encryption Decryption module, again through the logic instruction of core processor, the encrypting and decrypting identification file be kept in file memory is mated with the encrypt file do not preserved with plaintext version, open by this and read encrypt file, thus just completing the decrypting process of data.
In embodiments of the present invention, data encrypting and deciphering management equipment is plugged in external equipment, is to turn serial port module by USB and external equipment establishes a communications link.
In embodiments of the present invention, external equipment also comprises hard disk, floppy disk and the various equipment with memory space.
In embodiments of the present invention, USB turns serial port module is that connector by matching with USB connector (but being not limited to) in USB connector (but being not limited to) and external equipment connects; , USB turns serial port module and forms privately owned bus by USB connector (but being not limited to), makes external equipment turn SATA by USB and secret generation module carries out data transmission channel, also makes USB turn serial port module and external equipment sets up data transmission channel.Due to the design focal point that external equipment is not the invention, all descriptions here just lay down a definition to the function of data encrypting and deciphering management equipment to coordinate, therefore, the structure of its external equipment, structure and combination and its function etc. are not remake repeat further.
Claims (10)
1. a data encrypting and deciphering management equipment, be connected with external equipment by USB connector, and comprise pcb board and turn serial port module by the USB that pcb board is integrated, key production module, storage chip, AES module, Encryption Decryption module and file memory, it is characterized in that: storage chip comprises core processor and internal memory respectively, key production module and USB turn that serial port module is two-way to be connected, its input is connected with AES module with storage chip respectively simultaneously, Encryption Decryption module is connected with storage chip is two-way, its input is connected with key production module, file memory respectively with Encryption Decryption module, key production module is two-way to be connected, wherein key production module, AES module and Encryption Decryption module, store by core processor command file memory or discharge encrypting and decrypting identification file and mate encrypt file to external equipment, realize the encryption and decryption of data by this.
2. data encrypting and deciphering management equipment as claimed in claim 1, is characterized in that: core processor is logical operation equipment, and internal memory is the spatial cache that program is run.
3. data encrypting and deciphering management equipment as claimed in claim 2, is characterized in that: external equipment comprises mobile terminal and PC end.
4. data encrypting and deciphering management equipment as claimed in claim 3, is characterized in that: external equipment also comprises hard disk, floppy disk and has the equipment of memory space.
5. the application process of a data encrypting and deciphering management equipment as claimed in claim 4, on the basis of data encrypting and deciphering management equipment, be encrypted the file in external equipment and store or deciphering reading, it is characterized in that, the application process of data encrypting and deciphering management equipment comprises:
The first, data encrypting and deciphering management equipment is plugged in external equipment, makes it to realize electrically conducting with external equipment;
The second, encrypt and decrypt, when the file needing in data encrypting and deciphering management equipment identification external equipment to encrypt is state to be encrypted, will encrypts key information needed and obtain the combination of external equipment encryption key information needed; When identify the file in external equipment be encrypted state time, the key information of coupling encrypting storing, makes the file preserved in external equipment mate encrypting and decrypting identification file, opens by this and read the encrypt file in external equipment;
3rd, when when acquisition key is combining information, sets up encrypting and decrypting identification file by key combining information and be kept in file memory;
4th, be kept at encrypting and decrypting identification file in file memory through storage chip instruction, its data-signal can be directly delivered to Encryption Decryption module, turns back to key production module after also making match cognization by Encryption Decryption module;
5th, when data-signal is directly delivered to Encryption Decryption module, Encryption Decryption module release encrypting and decrypting identification file data signals, data-signal is sequentially turned serial port module through key production module, USB and is transferred to encrypted file data Signal Matching with external equipment in external equipment by Encryption Decryption module again, opens by this and reads encrypt file; When data-signal turns back to key production module, key production module data-signal is passed on USB turn serial port module be delivered to external equipment again and with the encrypted file data Signal Matching of external equipment, open by this and read encrypt file; When the data-signal of Encryption Decryption module release cannot mate the data-signal of the encrypt file in external equipment, the encrypt file in external equipment then cannot be opened.
6. the application process of data encrypting and deciphering management equipment as claimed in claim 5, it is characterized in that: use encryption key to carry out AES encryption to data, under the acting in conjunction of key production module, AES module and Encryption Decryption module, again through the logic instruction of core processor, make encrypting and decrypting identification file be kept in file memory, make the encrypt file in external equipment not preserve with plaintext version in external equipment simultaneously.
7. the application process of data encrypting and deciphering management equipment as claimed in claim 6, it is characterized in that: use deciphering key to carry out AES deciphering to data, under the acting in conjunction of key production module, AES module and Encryption Decryption module, again through the logic instruction of core processor, the encrypting and decrypting identification file be kept in file memory is mated with the encrypt file do not preserved with plaintext version, opens by this and read encrypt file.
8. the application process of data encrypting and deciphering management equipment as claimed in claim 7, is characterized in that: data encrypting and deciphering management equipment is plugged in external equipment, is to turn serial port module by USB and external equipment establishes a communications link.
9. the application process of data encrypting and deciphering management equipment as claimed in claim 8, is characterized in that: it is that connector by matching with USB connector in USB connector and external equipment connects that USB turns serial port module.
10. the application process of data encrypting and deciphering management equipment as claimed in claim 9, it is characterized in that: USB turns serial port module and forms privately owned bus by USB connector, make external equipment turn SATA by USB to set up data transmission channel with secret generation module, make USB turn serial port module by this and external equipment sets up data transmission channel.
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| CN201510457840.5A CN105227299A (en) | 2015-07-30 | 2015-07-30 | A kind of data encrypting and deciphering management equipment and application process thereof |
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Cited By (7)
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| CN111090873A (en) * | 2019-12-28 | 2020-05-01 | 西安邮电大学 | Decryption method of memory chip |
| CN111447210A (en) * | 2020-03-24 | 2020-07-24 | 杨翔 | RK3399 master control chip-based USB secure communication method and communication system |
| CN113158203A (en) * | 2021-04-01 | 2021-07-23 | 深圳市纽创信安科技开发有限公司 | SOC chip, circuit and external data reading and writing method of SOC chip |
| CN113312648A (en) * | 2021-06-23 | 2021-08-27 | 山西科潮科技有限公司 | Communication module and communication method based on data encryption |
| CN114172733A (en) * | 2021-12-10 | 2022-03-11 | 中科计算技术西部研究院 | Medical sample data encryption transmission method based on plug-in encryption terminal |
| CN114189326A (en) * | 2021-12-10 | 2022-03-15 | 中科计算技术西部研究院 | Multiple encryption system and decryption method of plug-in type encryption terminal |
| CN114520730A (en) * | 2020-11-20 | 2022-05-20 | 腾讯科技（深圳）有限公司 | Data transmission method, device, system, computer equipment and storage medium |
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| CN111090873A (en) * | 2019-12-28 | 2020-05-01 | 西安邮电大学 | Decryption method of memory chip |
| CN111447210A (en) * | 2020-03-24 | 2020-07-24 | 杨翔 | RK3399 master control chip-based USB secure communication method and communication system |
| CN114520730A (en) * | 2020-11-20 | 2022-05-20 | 腾讯科技（深圳）有限公司 | Data transmission method, device, system, computer equipment and storage medium |
| CN113158203A (en) * | 2021-04-01 | 2021-07-23 | 深圳市纽创信安科技开发有限公司 | SOC chip, circuit and external data reading and writing method of SOC chip |
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| CN114172733A (en) * | 2021-12-10 | 2022-03-11 | 中科计算技术西部研究院 | Medical sample data encryption transmission method based on plug-in encryption terminal |
| CN114189326A (en) * | 2021-12-10 | 2022-03-15 | 中科计算技术西部研究院 | Multiple encryption system and decryption method of plug-in type encryption terminal |
| CN114172733B (en) * | 2021-12-10 | 2024-04-05 | 中科计算技术西部研究院 | Medical sample data encryption transmission method based on pluggable encryption terminal |
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Application publication date: 20160106 |