CN104318148A - Portable multifunctional encryption device - Google Patents
Portable multifunctional encryption device Download PDFInfo
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- CN104318148A CN104318148A CN201410588247.XA CN201410588247A CN104318148A CN 104318148 A CN104318148 A CN 104318148A CN 201410588247 A CN201410588247 A CN 201410588247A CN 104318148 A CN104318148 A CN 104318148A
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- 238000012790 confirmation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- -1 some fouls Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2107—File encryption
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- Computer Security & Cryptography (AREA)
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- Computer Hardware Design (AREA)
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Abstract
A portable multifunctional encryption device comprises a shell. A charging interface, an initialization button and a power supply interface are arranged at one end of the shell. A fingerprint device, a device status indicator lamp and an RFID (radio frequency identification device) card reader are arranged on the upper surface of the shell. A power switch is arranged on one side of the shell. A circuit board is arranged in the shell. A control chip, device Bluetooth and a WIFI (wireless fidelity) chip are arranged on the circuit board. The charging interface, the initialization button, the power supply interface, the fingerprint device, the device status indicator lamp and the RFID card reader are respectively connected with the control chip. The portable multifunctional encryption device integrates fingerprint identification technology, Bluetooth technology and WIFI technology with RFID technology, performs encryption protection on starting of a mobile terminal, and can perform identity authentication and encryption protection during using, browsing, correcting and transmitting of data information in the mobile terminal, so that leakage of personal private information data is prevented, and potential safety hazards of the mobile terminal are effectively eliminated; the portable multifunctional encryption device is high in applicability and wide in market prospect.
Description
Technical field
The present invention relates to encryption device technical field, particularly relate to a kind of portable multi-function encryption device.
Background technology
Along with the develop rapidly of integrated circuit and the communication technology, Mobile Communication Industry has moved towards the information of mobile terminal epoch, become integrated information processing platform from simple call instrument, and have powerful processing power, this also adds broader development space to mobile terminal.And one of the information age large feature is exactly digitizing and the recessivation of personal identification; all multiple utility programs obtain popularizing and apply on mobile terminal, PC; the thing followed is frequently leaking of self private information data of individual; therefore the identity of a how precise Identification people; protect the information security of individual to be that of must solve the current information age is key, be also the new demand proposed mobile Internet information security technology simultaneously.
Fingerprint is relatively stable in all people's body biological characteristic, does not change because of change of age, and collection is comparatively convenient, and cost performance is high, is also more suitable for being applied in popular life.At present, be applied in multiple fields by the technology of fingerprint recognition personal identification, as work attendance, gate inhibition, resident identification card, traffic, the administration of justice, consumption, mobile terminal etc., for authentication provide safe and reliable, technical scheme easily; But in the terminal, it only requires that user to prestore my finger print information when first time uses, after inputting fingerprint contrast before each start later, so, an other people GPRS finger print information can obtain all data informations in mobile terminal, comprise note, telephone directory, photo, video etc., there is great potential safety hazard.
Summary of the invention
Technical matters solved by the invention is to provide a kind of portable multi-function encryption device, to solve the shortcoming in above-mentioned background technology.
Technical matters solved by the invention realizes by the following technical solutions:
Portable multi-function encryption device, comprises housing, and its shell one end is provided with charging inlet, initialization button and power supply interface, and housing upper surface is provided with fingerprint instrument, device state indicator lamp and RFID card reader; In addition, housing side is provided with power switch, circuit board is provided with in housing, and be provided with control chip, equipment bluetooth and WIFI chip on circuit boards, and charging inlet, initialization button, power supply interface, fingerprint instrument, device state indicator lamp and RFID card reader are connected with control chip respectively.
In the present invention, radio frequency sensor is provided with in described fingerprint instrument, for gathering the lived corium fingerprint texture of finger internal layer tool, directly inresponsive to the outer skin of finger surface, and the material such as some fouls, oil stain, dust of effects on surface has penetration capacity, fundamentally stop the problem of artificial fingerprint, can prevent using other people fingerprint and open mobile terminal.
In the present invention, in described housing, being also provided with hummer, reading and writing successfully for pointing out RFID card reader.
In the present invention, described device state indicator lamp comprises power light, fingerprint status indicator lamp and RFID status indicator lamp.
In the present invention, described circuit board is provided with power supply management chip, reads battery level, to point out battery level for interval.
In the present invention, described housing is also provided with buckles, for stationary housing.
The encryption method of portable multi-function encryption device, comprise mobile terminal and portable multi-function encryption device, first download on mobile terminals and APP is installed, then connected by the equipment Bluetooth pairing of the self-contained mobile terminal bluetooth of mobile terminal and portable multi-function encryption device and carry out authentication and confirmation, open APP again, user can be encrypted protection to the data information in mobile terminal as required; Its concrete steps are as follows:
1) rfid card is prepared
Mobile terminal sends on the fingerprint instrument of typing fingerprint order and the multi-functional encryption device of personal information data to portable by mobile terminal bluetooth, fingerprint instrument prompting user inputs fingerprint, after finger print data typing success, finger print data and personal information data are write in rfid card;
2) authentication and confirmation
By step 1) in preparation rfid card be placed in the RFID card reader of portable multi-function encryption device, RFID card reader reads rfid card, to obtain user fingerprints data and personal information data, and point out user to input fingerprint, subsequently userspersonal information's data are passed through equipment Bluetooth transmission to mobile terminal, input after fingerprint until user, compare with the personal information data in rfid card, and result consistent for comparison is back to mobile terminal, authentication is passed through, and opens mobile terminal; Otherwise return prompting and re-enter fingerprint;
3) mobile terminal APP encrypts
First recall data information to be encrypted, APP writes the format text of data information to be encrypted, and obtain the mobile terminal current time, extract wherein time, minute, second, year, month, day be as the timestamp of dynamic encryption, and format text and timestamp are carried out XOR, realize first time encryption, obtain first time encrypt file; On the basis of first time encrypt file, then add the random cipher sent by portable multi-function encryption device carry out XOR, realize second time encryption, message beginning after second time encryption is added with boot flag symbol, centre is second time encrypt file, and afterbody adds the character length of data information to be encrypted to form mobile terminal APP encrypt file.
Data information after encryption just can be checked or call after can only being deciphered by mobile terminal APP, and its mobile terminal APP decryption step is as follows:
After obtaining mobile terminal APP encrypt file, extract boot flag symbol, again receive the random cipher that portable multi-function encryption device sends, and carry out XOR with the file after boot flag symbol, realize first time deciphering, obtain first time declassified document; Then in first time declassified document extraction time stamp, and carry out XOR to the format text after timestamp and timestamp, realize second time deciphering, obtain second time declassified document, the format text after deciphering is for checking or calling.
The another kind of encryption method of portable multi-function encryption device, comprise mobile terminal and portable multi-function encryption device, first download on mobile terminals and APP is installed, then match to connect by the WIFI chip of the self-contained mobile terminal WIFI of mobile terminal and portable multi-function encryption device and carry out authentication and confirmation, open APP again, user can be encrypted protection to the data information in mobile terminal as required; Its concrete steps are as follows:
1) rfid card is prepared
Mobile terminal sends on the fingerprint instrument of typing fingerprint order and the multi-functional encryption device of personal information data to portable by mobile terminal bluetooth, fingerprint instrument prompting user inputs fingerprint, after finger print data typing success, finger print data and personal information data are write in rfid card;
2) authentication and confirmation
By step 1) in preparation rfid card be placed in the RFID card reader of portable multi-function encryption device, RFID card reader reads rfid card, to obtain user fingerprints data and personal information data, and point out user to input fingerprint, subsequently userspersonal information's data are transferred to mobile terminal by WIFI chip, input after fingerprint until user, compare with the personal information data in rfid card, and result consistent for comparison is back to mobile terminal, authentication is passed through, and opens mobile terminal; Otherwise return prompting and re-enter fingerprint;
3) mobile terminal APP encrypts
First recall data information to be encrypted, APP writes the format text of data information to be encrypted, and obtain the mobile terminal current time, extract wherein time, minute, second, year, month, day be as the timestamp of dynamic encryption, and format text and timestamp are carried out XOR, realize first time encryption, obtain first time encrypt file; On the basis of first time encrypt file, then add fixed password carry out XOR, realize second time encryption, message beginning after second time encryption is added with boot flag symbol, centre is second time encrypt file, and afterbody adds the character length of data information to be encrypted to form mobile terminal APP encrypt file.
Data information after encryption just can be checked or call after can only being deciphered by mobile terminal APP, and its mobile terminal APP decryption step is as follows:
After obtaining mobile terminal APP encrypt file, extract boot flag symbol and fixed password, and the file after fixed password and boot flag symbol is carried out XOR, realize first time deciphering, obtain first time declassified document; Then in first time declassified document extraction time stamp, and carry out XOR to the format text after timestamp and timestamp, realize second time deciphering, obtain second time declassified document, the format text after deciphering is for checking or calling.
In the present invention, BT4.0BLE transparent transmission is adopted to exchange data between described mobile terminal and portable multi-function encryption device, send information request by mobile terminal to portable multi-function encryption device, portable multi-function encryption device is replied information request.
In the present invention, described personal information data comprise address name, identification card number, cell-phone number and apply for card the time.
In the present invention, described mobile terminal comprises mobile phone, panel computer and supports the equipment of bluetooth communication.
In the present invention, finger print information is stored in rfid card, and other system stores restriction for fingerprint user and can not be greater than 10,000 or 100,000 with it, and advantage is huge.
Beneficial effect: the present invention integrates fingerprint identification technology, blue tooth wireless communication, WIFI wireless telecommunications and RFID technique; utilize the uniqueness of fingerprint, can self-regeneration feature; protection is encrypted to the start of mobile terminal; utilize simultaneously random cipher and fixed password to the data information in mobile terminal using, browse, revise, carry out authentication and encipherment protection in transmitting procedure; prevent individual private information data from leaking; effectively eliminate the potential safety hazard that mobile terminal exists; applicability is strong, and market outlook are wide.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment of the present invention.
Fig. 2 is control chip (MCU) circuit diagram in preferred embodiment of the present invention.
Fig. 3 is power supply management module circuit diagram in preferred embodiment of the present invention.
Fig. 4 is charging inlet circuit diagram in preferred embodiment of the present invention.
Fig. 5 is RFID card reader circuit diagram in preferred embodiment of the present invention.
Fig. 6 is buzzer circuit figure in preferred embodiment of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See the portable multi-function encryption device of Fig. 1, comprise device state indicator lamp 1, power switch 2, charging inlet 3, initialization button 4, power supply interface 5, RFID card reader 6 and capacitance type fingerprint instrument 7; Wherein, charging inlet 3, initialization button 4 and power supply interface 5 are arranged on shell one end, and capacitance type fingerprint instrument 7, device state indicator lamp 1 and RFID card reader 6 are arranged on housing upper surface, and power switch is arranged on housing side; In addition, circuit board is provided with in housing, and circuit board being provided with control chip, equipment bluetooth and WIFI chip, charging inlet 3, initialization button 4, power supply interface 5, capacitance type fingerprint instrument 7, device state indicator lamp 1 and RFID card reader 6 are connected with control chip respectively.
In the present embodiment, in described fingerprint instrument, being provided with radio frequency sensor, for gathering the lived corium fingerprint texture of finger internal layer tool, fundamentally having stopped the problem of artificial fingerprint, can prevent using other people fingerprint and open mobile terminal.
In the present embodiment, the encryption method of portable multi-function encryption device, comprise mobile phone and portable multi-function encryption device, first download on mobile phone and APP is installed, then connected by the equipment Bluetooth pairing of the self-contained Bluetooth of mobile phone of mobile phone and portable multi-function encryption device and carry out authentication and confirmation, open APP again, as required protection is encrypted to the data information in mobile phone; Its concrete steps are as follows:
1) rfid card is prepared
Step1: mobile phone sends order (1)+data (1) on portable multi-function encryption device by Bluetooth of mobile phone, fingerprint instrument prompting user inputs fingerprint;
Step2: user carries out fingerprint typing according to rule, if successful return message 1, failed then return message 2;
Finger print data (498KB)+data 1 (50KB) are write in rfid card by Step3:RFID card reader, successful return message 3, failed then return message 4;
Wherein, order 1: typing fingerprint order, data 1: address name+identification card number+cell-phone number+apply for card the time (date), return message 1: fingerprint typing success, return message 2: fingerprint typing is unsuccessful, return message 3:RFID card is write as merit, and return message 4:RFID card is write unsuccessful, changes a card and writes;
2) authentication and confirmation
Step1: by step 1) in preparation rfid card be placed in the RFID card reader of portable multi-function encryption device, RFID card reader reads rfid card, to obtain user fingerprints and data 1, and return message 5, subsequently data 1 are passed through equipment Bluetooth transmission to mobile phone, if failed return message 6;
Step2: user presses fingerprint, compares with the data 1 in rfid card, if successful return message 7, if failed return message 8;
Wherein, return message 5: prompting user presses fingerprint,
Return message 6: prompting rfid card lost efficacy,
Return message 7: comparison result is returned to mobile phone,
Return message 8: prompting user fingerprints is incorrect, please again presses fingerprint;
3) mobile terminal APP encrypts
First recall data information to be encrypted, mobile phone A PP writes the format text of data information to be encrypted, and obtain the mobile terminal current time, extract wherein time, minute, second, year, month, day be as the timestamp of dynamic encryption, and format text and timestamp are carried out XOR, realize first time encryption, obtain first time encrypt file; On the basis of first time encrypt file, then add the random cipher sent by portable multi-function encryption device carry out XOR, realize second time encryption, message beginning after second time encryption is added with boot flag symbol, centre is second time encrypt file, and afterbody adds the character length of data information to be encrypted to form mobile terminal APP encrypt file.
Data information after encryption just can be checked or call after can only being deciphered by mobile terminal APP, and its mobile terminal APP decryption step is as follows:
After obtaining mobile terminal APP encrypt file, extract boot flag symbol, again receive the random cipher that portable multi-function encryption device sends, and carry out XOR with the file after boot flag symbol, realize first time deciphering, obtain first time declassified document; Then in first time declassified document extraction time stamp, and carry out XOR to the format text after timestamp and timestamp, realize second time deciphering, obtain second time declassified document, the format text after deciphering is for checking or calling.
In the present embodiment, described circuit board is provided with power supply management module, reads battery level for interval.
In the present embodiment, portable multi-function encryption device start acquiescence offers standby bluetooth, and rfid card read-write sends to order by mobile phone with fingerprint recognition and opens, and carries out adopting WIFI to transmit in data transmission at mobile phone and portable multi-function encryption device.
In the present embodiment, equipment bluetooth can rename, and can revise key; By reset key, Default Value can be returned.
In the present embodiment, BT4.0BLE transparent transmission is adopted to exchange data between mobile phone and portable multi-function encryption device, information request is sent to portable multi-function encryption device by mobile phone, portable multi-function encryption device is replied information request, and data transfer mode is baud rate 115200, data bit 8bit, without check digit, position of rest 1bit, equipment bluetooth default na ME:BF4030, pairing code: 1234.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. portable multi-function encryption device, comprises housing, it is characterized in that, shell one end is provided with charging inlet, initialization button and power supply interface, and housing upper surface is provided with fingerprint instrument, device state indicator lamp and RFID card reader; In addition, housing side is provided with power switch, circuit board is provided with in housing, and be provided with control chip, equipment bluetooth and WIFI chip on circuit boards, and charging inlet, initialization button, power supply interface, fingerprint instrument, device state indicator lamp and RFID card reader are connected with control chip respectively.
2. portable multi-function encryption device according to claim 1, is characterized in that, is provided with radio frequency sensor in described fingerprint instrument.
3. portable multi-function encryption device according to claim 1, is characterized in that, is also provided with hummer in described housing.
4. portable multi-function encryption device according to claim 1, is characterized in that, described device state indicator lamp comprises power light, fingerprint status indicator lamp and RFID status indicator lamp.
5. portable multi-function encryption device according to claim 1, is characterized in that, described circuit board is provided with power supply management chip.
6. the encryption method of portable multi-function encryption device, comprise mobile terminal and portable multi-function encryption device according to claim 1, it is characterized in that, first download on mobile terminals and APP is installed, then connected by the equipment Bluetooth pairing of the self-contained mobile terminal bluetooth of mobile terminal and portable multi-function encryption device and carry out authentication and confirmation, open APP again, as required protection is encrypted to the data information in mobile terminal; Concrete steps are as follows:
1) rfid card is prepared
Mobile terminal sends on the fingerprint instrument of typing fingerprint order and the multi-functional encryption device of personal information data to portable by mobile terminal bluetooth, fingerprint instrument prompting user inputs fingerprint, after finger print data typing success, finger print data and personal information data are write in rfid card;
2) authentication and confirmation
By step 1) in preparation rfid card be placed in the RFID card reader of portable multi-function encryption device, RFID card reader reads rfid card, to obtain user fingerprints data and personal information data, and point out user to input fingerprint, subsequently userspersonal information's data are passed through equipment Bluetooth transmission to mobile terminal, input after fingerprint until user, compare with the personal information data in rfid card, and result consistent for comparison is back to mobile terminal, authentication is passed through, and opens mobile terminal; Otherwise return prompting and re-enter fingerprint;
3) mobile terminal APP encrypts
First recall data information to be encrypted, APP writes the format text of data information to be encrypted, and obtain the mobile terminal current time, extract wherein time, minute, second, year, month, day be as the timestamp of dynamic encryption, and format text and timestamp are carried out XOR, realize first time encryption, obtain first time encrypt file; On the basis of first time encrypt file, then add the random cipher sent by portable multi-function encryption device carry out XOR, realize second time encryption, message beginning after second time encryption is added with boot flag symbol, centre is second time encrypt file, and afterbody adds the character length of data information to be encrypted to form mobile terminal APP encrypt file.
7. the encryption method of portable multi-function encryption device according to claim 6, is characterized in that, mobile terminal APP decryption step is as follows:
After obtaining mobile terminal APP encrypt file, extract boot flag symbol, again receive the random cipher that portable multi-function encryption device sends, and carry out XOR with the file after boot flag symbol, realize first time deciphering, obtain first time declassified document; Then in first time declassified document extraction time stamp, and carry out XOR to the format text after timestamp and timestamp, realize second time deciphering, obtain second time declassified document, the format text after deciphering is for checking or calling.
8. the encryption method of portable multi-function encryption device, comprise mobile terminal and portable multi-function encryption device, it is characterized in that, first download on mobile terminals and APP is installed, then match to connect by the WIFI chip of the self-contained mobile terminal WIFI of mobile terminal and portable multi-function encryption device and carry out authentication and confirmation, open APP again, user can be encrypted protection to the data information in mobile terminal as required; Concrete steps are as follows:
1) rfid card is prepared
Mobile terminal sends on the fingerprint instrument of typing fingerprint order and the multi-functional encryption device of personal information data to portable by mobile terminal bluetooth, fingerprint instrument prompting user inputs fingerprint, after finger print data typing success, finger print data and personal information data are write in rfid card;
2) authentication and confirmation
By step 1) in preparation rfid card be placed in the RFID card reader of portable multi-function encryption device, RFID card reader reads rfid card, to obtain user fingerprints data and personal information data, and point out user to input fingerprint, subsequently userspersonal information's data are transferred to mobile terminal by WIFI chip, input after fingerprint until user, compare with the personal information data in rfid card, and result consistent for comparison is back to mobile terminal, authentication is passed through, and opens mobile terminal; Otherwise return prompting and re-enter fingerprint;
3) mobile terminal APP encrypts
First recall data information to be encrypted, APP writes the format text of data information to be encrypted, and obtain the mobile terminal current time, extract wherein time, minute, second, year, month, day be as the timestamp of dynamic encryption, and format text and timestamp are carried out XOR, realize first time encryption, obtain first time encrypt file; On the basis of first time encrypt file, then add fixed password carry out XOR, realize second time encryption, message beginning after second time encryption is added with boot flag symbol, centre is second time encrypt file, and afterbody adds the character length of data information to be encrypted to form mobile terminal APP encrypt file.
9. the encryption method of portable multi-function encryption device according to claim 8, is characterized in that, mobile terminal APP decryption step is as follows:
After obtaining mobile terminal APP encrypt file, extract boot flag symbol and fixed password, and the file after fixed password and boot flag symbol is carried out XOR, realize first time deciphering, obtain first time declassified document; Then in first time declassified document extraction time stamp, and carry out XOR to the format text after timestamp and timestamp, realize second time deciphering, obtain second time declassified document, the format text after deciphering is for checking or calling.
10. according to the encryption method of the portable multi-function encryption device described in claim 6 ~ 9, it is characterized in that, described mobile terminal comprises mobile phone, panel computer and supports the equipment of bluetooth communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410588247.XA CN104318148B (en) | 2014-10-28 | 2014-10-28 | Portable multi-function encryption device |
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| CN201410588247.XA CN104318148B (en) | 2014-10-28 | 2014-10-28 | Portable multi-function encryption device |
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| CN104318148A true CN104318148A (en) | 2015-01-28 |
| CN104318148B CN104318148B (en) | 2017-11-28 |
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| CN201410588247.XA Expired - Fee Related CN104318148B (en) | 2014-10-28 | 2014-10-28 | Portable multi-function encryption device |
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| CN105704302A (en) * | 2015-12-24 | 2016-06-22 | 深圳灵感家科技发展有限公司 | Device for encrypting intelligent terminal application and encryption method |
| CN106156701A (en) * | 2015-03-31 | 2016-11-23 | 深圳指芯智能科技有限公司 | A kind of fingerprint identification device, fingerprint identification device identification system and recognition methods |
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| CN108171077A (en) * | 2017-12-26 | 2018-06-15 | 上海展扬通信技术有限公司 | The processing method and relevant device of a kind of file |
| CN108171077B (en) * | 2017-12-26 | 2020-08-14 | 上海展扬通信技术有限公司 | Folder processing method and related equipment |
| CN112263248A (en) * | 2020-10-27 | 2021-01-26 | 华东光电集成器件研究所 | Human body falling risk test client system |
| WO2022127742A1 (en) * | 2020-12-18 | 2022-06-23 | 华为技术有限公司 | Device starting system and method |
| EP4235490A4 (en) * | 2020-12-18 | 2024-05-01 | Huawei Technologies Co., Ltd. | Device starting system and method |
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| CN104318148B (en) | 2017-11-28 |
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