CN106911476A - A kind of ciphering and deciphering device and method - Google Patents
A kind of ciphering and deciphering device and method Download PDFInfo
- Publication number
- CN106911476A CN106911476A CN201510971267.XA CN201510971267A CN106911476A CN 106911476 A CN106911476 A CN 106911476A CN 201510971267 A CN201510971267 A CN 201510971267A CN 106911476 A CN106911476 A CN 106911476A
- Authority
- CN
- China
- Prior art keywords
- ciphering
- master control
- terminal equipment
- terminal
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3234—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving additional secure or trusted devices, e.g. TPM, smartcard, USB or software token
-
- 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
- G06F21/602—Providing cryptographic facilities or services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
- H04L9/0897—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage involving additional devices, e.g. trusted platform module [TPM], smartcard or USB
-
- 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
Abstract
The invention discloses a kind of ciphering and deciphering device and method, belong to data safety technical field of memory.Master control safety chip (1) of the ciphering and deciphering device including the PIN that is stored with, the USB interface (2) and wireless communication module (3) being connected with master control safety chip (1) respectively, also include the rechargeable battery (4) for being powered for device, rechargeable battery (4) is connected with the master control safety chip (1) and wireless communication module (3) respectively.Using ciphering and deciphering device provided by the present invention and method; encryption and decryption operation easily can be carried out to the data in the terminal devices such as PC or mobile phone; and protect encryption after ciphertext data in the presence without ciphering and deciphering device; the access to ciphertext data cannot be realized, the security of the data stored in terminal device is substantially increased.
Description
Technical field
The present invention relates to data safety technical field of memory, and in particular to a kind of ciphering and deciphering device and method.
Background technology
Currently, with the fast development of electronic equipment, user can typically store same part data file
To in different electronic equipments, the data in PC are such as will be stored in, also are stored in the mobile phone of oneself,
To facilitate checking at any time to data.And user is to oneself private data, vital document, confidential data
Security etc. information is also increasingly paid attention to, it is undesirable to which individual or entity without permission accesses and reads this
A little information.Although user can be encrypted storage by the way of encryption software to data, in hand
After machine is lost or be stolen, lawless person is still able to crack encryption data.Therefore, it is badly in need of a kind of good adding
Manner of decryption so that even if lawless person steals user mobile phone, to the important personal letter stored in mobile phone
Breath also cannot normally be accessed and read.The new encryption and decryption that the present invention is exactly proposed regarding to the issue above
Device and method.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of ciphering and deciphering device and
Method, using the device and method, even if the terminal device of storage user is lost, the ciphertext number in equipment
According to cannot also be accessed by lawless person.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of ciphering and deciphering device, including the PIN that is stored with master control safety chip, respectively with master control
The USB interface and wireless communication module of safety chip connection, also including chargeable for what is powered for device
Battery, rechargeable battery is connected with the master control safety chip and wireless communication module respectively.
Further, a kind of ciphering and deciphering device as described above, the device also includes carrying out rechargeable battery
Charge and power supply management power management module, rechargeable battery by power management module respectively with master control
Safety chip and wireless communication module are connected.
Further, a kind of ciphering and deciphering device as described above, the power management module includes Power convert
Circuit and the charge management circuit of charge protection is carried out to rechargeable battery, rechargeable battery is turned by power supply
Change circuit to be connected with master control safety chip and wireless communication module respectively, charge management circuit and chargeable electricity
Pond connects.
Further, a kind of ciphering and deciphering device as described above, the device also includes connecting with master control safety chip
The display module for connecing, the charge management circuit is also connected with master control safety chip.
Further, a kind of ciphering and deciphering device as described above, the power management module is included for controlling
Whether it is that the powering mode that master control safety chip is powered controls circuit, the power supply by rechargeable battery
Mode circuit is connected with rechargeable battery and USB interface respectively.
Further, a kind of ciphering and deciphering device as described above, the master control safety chip is built-in TimeCOS
The safety chip of smart card operating system.
Further, a kind of ciphering and deciphering device as described above, the wireless communication module is Wif i communication moulds
Block or bluetooth communication.
Further, a kind of ciphering and deciphering device as described above, the device medium of the ciphering and deciphering device is can
The apparatus carriers of wearable intelligent equipment.
Based on above-mentioned ciphering and deciphering device, present invention also offers a kind of encipher-decipher method, including will be to be encrypted
The step of data are encrypted and are decrypted encryption data, the mode that be-encrypted data is encrypted
Including：
(1) terminal device is connected by USB interface or wireless communication module with ciphering and deciphering device, and to adding
Decryption device sends device authentication request；The device authentication request includes the PIN of encryption；
(2) ciphering and deciphering device receiving terminal apparatus send device authentication request, master control safety chip according to
The PIN encrypted described in its decryption key decryption for prestoring, and compare the PIN after decryption
Whether the PIN with its storage inside is identical, if so, then enter next step, if it is not, then master control
Safety chip sends authentication error and points out to terminal device；The decruption key is ciphering and deciphering device and terminal
The decruption key corresponding with the key of terminal device encryption PIN of equipment agreement；
(3) be-encrypted data is sent to master control safety chip by terminal device, and master control safety chip will be to be added
Terminal device is returned to after ciphertext data encryption；
The mode that encryption data is decrypted is included：
1) terminal device is connected by USB interface or wireless communication module with ciphering and deciphering device, and is solved to adding
Close device sends device authentication request；The device authentication request includes the PIN of encryption；
2) the device authentication request that decryption device receiving terminal apparatus send, master control safety chip is pre- according to its
Described in the decryption key decryption deposited encrypt PIN, and compare decryption after PIN and its
Whether the PIN of storage inside is identical, if so, then enter next step, if it is not, then master control safety
Chip sends authentication error and points out to terminal device；
3) encryption data is sent to ciphering and deciphering device by terminal device, and master control safety chip is by encryption data solution
Terminal device is returned to after close.
Present invention also offers another encipher-decipher method, including be-encrypted data is encrypted and will added
The step of ciphertext data is decrypted, the mode that be-encrypted data is encrypted is included：
(1) the first terminal equipment with USB interface is connected by USB interface with ciphering and deciphering device, tool
The second terminal equipment for having wireless communication module is connected by wireless communication module with ciphering and deciphering device, and first
Terminal device and second terminal equipment send device authentication and ask to ciphering and deciphering device respectively；The equipment is tested
Card request includes the PIN of encryption；
(2) ciphering and deciphering device receives the device authentication that first terminal equipment and second terminal equipment send respectively
Request, what the first decryption key decryption first terminal equipment that master control safety chip prestores according to it sent adds
Close PIN, the personal of the encryption sent using the second decryption key decryption second terminal equipment is known
Other code, and be respectively compared PIN that first terminal equipment and second terminal equipment sends with its inside
The PIN of storage whether all same, if so, then enter next step, if it is not, the then safe core of master control
Piece sends authentication error and points out to the terminal device for differing；
First decruption key is that ciphering and deciphering device is arranged with first terminal equipment and first terminal sets
The corresponding decruption key of the standby key for encrypting PIN；Second decruption key is filled for encryption and decryption
The key for putting arrange with second terminal equipment and second terminal equipment encryption PIN is corresponding
Decruption key；
(3) first terminal equipment sends to ciphering and deciphering device and for be-encrypted data to be safely stored into second terminal
The instruction of equipment, master control safety chip according to the instruction of first terminal equipment, after be-encrypted data is encrypted
It is sent to second terminal equipment；
The mode that encryption data is decrypted is included：
1) the first terminal equipment with USB interface is connected by USB interface with ciphering and deciphering device, is had
The second terminal equipment of wireless communication module is connected by wireless communication module with ciphering and deciphering device, and first eventually
End equipment and second terminal equipment send device authentication and ask to ciphering and deciphering device respectively；The device authentication
Request includes the PIN of encryption；
2) ciphering and deciphering device receives first terminal equipment respectively and the device authentication of second terminal equipment transmission please
Ask, the encryption that the first decryption key decryption first terminal equipment that master control safety chip prestores according to it sends
PIN, the personal identification of the encryption sent using the second decryption key decryption second terminal equipment
Code, and be respectively compared PIN that first terminal equipment and second terminal equipment sends with its inside deposit
The PIN of storage whether all same, if so, then enter next step, if it is not, master control safety chip to
The terminal device for differing sends authentication error prompting；
3) second terminal equipment is sent to first terminal and sets after being sent to ciphering and deciphering device and decrypting encryption data
Standby instruction, master control safety chip sends according to the instruction of second terminal equipment after encryption data is decrypted
To first terminal equipment.
The beneficial effects of the present invention are：Ciphering and deciphering device provided by the present invention and method, can be conveniently
The data in the terminal devices such as PC or mobile phone are carried out with encryption and decryption operation, and protect the ciphertext after encryption
Data are in the presence without ciphering and deciphering device, it is impossible to realize the access to ciphertext data, substantially increase
The security of the data stored in terminal device.
Brief description of the drawings
Fig. 1 is a kind of structural representation of ciphering and deciphering device in the specific embodiment of the invention；
Fig. 2 is a kind of flow chart of encipher-decipher method of offer in the specific embodiment of the invention；
Fig. 3 is the flow chart of another encipher-decipher method of offer in the specific embodiment of the invention.
Specific embodiment
With reference to Figure of description, the present invention is described in further detail with specific embodiment.
Fig. 1 shows a kind of structural representation of the ciphering and deciphering device provided in the specific embodiment of the invention
Figure, as can be seen from Figure, the ciphering and deciphering device includes master control safety chip 1, respectively with master control safety
The USB interface 2 and wireless communication module 3 of the connection of chip 1, also including for filling for being powered for device
Battery 4, rechargeable battery 4 is connected with the master control safety chip 1 and wireless communication module 3 respectively；
Master control safety chip 1 is stored with PIN PIN code, realizes being filled with encryption and decryption by PIN
Put the authentication of the terminal device of connection.
In present embodiment, master control safety chip 1 can be using built-in TimeCOS smart card operations system
The safety chip of system, be stored with safely various keys, PIN code and associated documents in master control safety chip 1,
Possess the security algorithms such as encryption, decryption, signature and checking, therefore, exterior terminal equipment can be by the
It is real by master control safety chip 1 after USB interface 2 or wireless communication module 3 are connected with ciphering and deciphering device
Now the safety to data is encrypted, and the data after encryption only have by the master control safety chip of the ciphering and deciphering device
1 can decrypt, therefore, using the device, even if the terminal device of user is lost or stolen, equipment
The encryption data of middle storage cannot also be accessed.
As shown in figure 1, in present embodiment, the ciphering and deciphering device also includes carrying out rechargeable battery 4
The power management module 5 charged with power supply management, rechargeable battery 4 is distinguished by power management module 5
It is connected with master control safety chip 1 and wireless communication module 2.
Wherein, the power management module 5 includes power-switching circuit 6 and rechargeable battery 4 is carried out
The charge management circuit 7 of charge protection, rechargeable battery 4 by power-switching circuit 6 respectively with master control
Safety chip 1 and wireless communication module 3 are connected, and charge management circuit 7 is connected with rechargeable battery 4.
Master control safety chip 1 and wireless communication module 3 are respectively by rechargeable battery 4 through power-switching circuit
6 voltage stabilizings are powered into after the operating voltage of master control safety chip 1 and wireless communication module 2.Such as master control safety
The operating voltage of chip 1 is 3.3V, then rechargeable battery 4 exports 3.3V after power-switching circuit 6
Voltage, to master control safety chip 1, is that master control safety chip 1 is powered.The power-switching circuit 6 can be with
Using low pressure difference linear voltage regulator LDO, it would however also be possible to employ dc voltage changer DC/DC.
In present embodiment, the charge management circuit 7 can also be connected with master control safety chip 1,
When being charged to rechargeable battery 4, master control safety chip 1 is supervised by monitoring charge management circuit 7
Whether control rechargeable battery 4 is full of, full of when can on a display screen show the prompt message that has been filled with,
Therefore, the ciphering and deciphering device can also include the display module 8 being connected with master control safety chip 1.
The power management module 5 can also be included for controlling whether by rechargeable battery 4 as master control is pacified
The powering mode control circuit 9 that full chip 1 is powered, the powering mode control circuit 9 respectively with
Rechargeable battery 4 and USB interface 2 are connected.Powering mode control circuit 9 can use analog switch
To realize, it is by USB interface 2 and outside to monitor ciphering and deciphering device in powering mode control circuit 9
When terminal device is connected, the operating voltage of master control safety chip 2 can pass through USB by exterior terminal equipment
Interface 2 is provided, and the powering mode control control of circuit 9 disconnects rechargeable battery 4 and master control safety chip 1
Connection.
In present embodiment, the wireless communication module 3 can be Wifi communication modules or Bluetooth communication mould
Block or other wireless communication modules.The device medium of the ciphering and deciphering device is setting for wearable smart machine
Standby carrier, that is to say, that the ciphering and deciphering device can be fabricated to the form of wearable device, such as bracelet or
Wrist-watch, is convenient for carrying.
Based on the ciphering and deciphering device shown in Fig. 1, present embodiment additionally provides a kind of encipher-decipher method,
Stored safely after the data encryption that the encipher-decipher method needs terminal device suitable for user, even if terminal
Device losses are stolen, and other lawless persons cannot also access the data.The method is included number to be encrypted
The step of according to being encrypted and being decrypted the data after encryption.Wherein, be-encrypted data is added
Close mode is as shown in Fig. 2 mainly include the following steps that：
Step S11：Terminal device is connected by USB interface or wireless communication module with ciphering and deciphering device,
And the PIN of encryption is sent to ciphering and deciphering device；
Step S12：The PIN that master control safety chip is sent by comparison terminal equipment with its inside
Whether the PIN of storage is identical to be verified to terminal device；
Terminal device with USB interface and/or wireless communication module, by the USB of ciphering and deciphering device
Interface or wireless communication module are connected with ciphering and deciphering device, and after connection, terminal device is sent out to ciphering and deciphering device
Device authentication is sent to ask, device authentication request includes the PIN of encryption, the PIN is used
In authentication of the ciphering and deciphering device to equipment, verify whether user is validated user.In practical application,
Installing terminal equipment encryption and decryption client software corresponding with the ciphering and deciphering device, by USB interface with plus
Decryption device carries out data interaction.
After ciphering and deciphering device receives the device authentication request of the transmission of terminal device, master control safety chip is adopted
The PIN encrypted is decrypted with its decruption key for prestoring, obtains the individual of terminal device transmission
People's identification code, will decrypt the PIN prestored in the PIN and ciphering and deciphering device for obtaining
Compare, if two PINs are consistent, after terminal device can be carried out by ciphering and deciphering device
Continuous operation, if it is inconsistent, ciphering and deciphering device does not pass through to terminal device checking, master control safety chip
Authentication error is sent to terminal device to point out.
The decruption key is that ciphering and deciphering device is arranged with terminal device and terminal device encryption is personal knows
The corresponding decruption key of the key of other code.Carry out encryption key or decryption involved during device authentication
The key that be-encrypted data is encrypted or decrypts is different from follow-up ciphering and deciphering device by key.
Step S13：After terminal device is verified, be-encrypted data is sent to master control peace by terminal device
Full chip, master control safety chip returns to terminal device after be-encrypted data is encrypted.
After terminal device is verified, ciphering and deciphering device meeting prompt terminal equipment sends be-encrypted data
Prompting, after ciphering and deciphering device receives the be-encrypted data of terminal device transmission, master control safety chip is to data
It is encrypted, in retransmiting back terminal device after encryption.
When terminal device needs to access the data for reading it after being encrypted by ciphering and deciphering device, the encryption and decryption
The mode that be decrypted for encryption data by method is similar with above-mentioned cipher mode, mainly includes the following steps that：
(1) terminal device is connected by USB interface or wireless communication module with ciphering and deciphering device, and to adding
Decryption device sends device authentication request；The device authentication request includes the PIN of encryption；
(2) the device authentication request that decryption device receiving terminal apparatus send, master control safety chip is according to it
Described in the decryption key decryption for prestoring encrypt PIN, and compare decryption after PIN with
Whether the PIN of its storage inside is identical, if so, then enter next step, if it is not, then master control peace
Full chip sends authentication error and points out to terminal device；
(3) encryption data is sent to ciphering and deciphering device by terminal device, and master control safety chip is by encryption data
Terminal device is returned to after decryption.
By the above-mentioned encipher-decipher method shown in Fig. 2, the data of safety storage will be needed in terminal device
In being then stored into the terminal device after ciphering and deciphering device is encrypted, and reading is needed to be somebody's turn to do in the terminal device
During data, the data after decryption are returned to again after the secure decryption of data is encrypted by ciphering and deciphering device
The terminal device, realizes the safety storage of data in terminal device and accesses.For example, for need by
When being stored after the significant data encryption on a PC, PC is connect by USB interface with ciphering and deciphering device
It is logical, and data are sent to ciphering and deciphering device by encryption and decryption client software by PC by USB interface,
The master control safety chip of ciphering and deciphering device leads to again after the key and AES of its internal memory are to data encryption
Cross USB interface and return to PC.Equally, when user needs to deposit the significant data encryption in a mobile phone
Chu Shi, after device encryption can be transmitted data to after wireless communication module is connected with ciphering and deciphering device,
Encryption data is returned to mobile phone storage by device again.
Another encipher-decipher method that present embodiment is also provided, the encipher-decipher method needs suitable for user
To be stored securely in another terminal device after a data encryption for terminal device.The method also includes will
The step of be-encrypted data is encrypted and is decrypted the data after encryption.Wherein, by number to be encrypted
According to the mode being encrypted as shown in figure 3, mainly including the following steps that：
Step S21：Two terminal devices are connected with ciphering and deciphering device respectively, and respectively to encryption and decryption equipment
Send the PIN of encryption；
Step S22：Ciphering and deciphering device compare that first terminal equipment and second terminal equipment sends respectively
The PIN that people's identification code is stored with it whether all same；
First terminal equipment with USB interface is connected by USB interface with ciphering and deciphering device, with nothing
The second terminal equipment of line communication module is connected by wireless communication module with ciphering and deciphering device, after connection,
First terminal equipment and second terminal equipment send device authentication and ask to ciphering and deciphering device respectively, wherein,
Device authentication request includes the PIN of encryption, and the PIN sets for ciphering and deciphering device pair
Standby checking.
Ciphering and deciphering device receives the checking PIN that first terminal equipment and second terminal equipment send
Request after, master control safety chip is known using the first decruption key to the personal of the encryption of first terminal equipment
Other code is decrypted, and the PIN of first terminal equipment transmission is obtained, using the second decruption key pair
The PIN of the encryption that second terminal equipment sends is decrypted, and obtains the transmission of second terminal equipment
PIN, and respectively by the PIN of first terminal equipment transmission and the transmission of second terminal equipment
PIN be compared with the PIN for prestoring with it, only two comparative results are equal
Identical i.e. two terminal devices are by after checking, can just carry out next step, otherwise, master control safety chip
The terminal device not passed through to checking sends authentication error and points out.
Wherein, the first decruption key is that ciphering and deciphering device is arranged with first terminal equipment and first terminal
The corresponding decruption key of key of equipment encryption PIN；Second decruption key is encryption and decryption
The key of device is arranged with second terminal equipment and second terminal equipment encryption PIN is corresponding
Decruption key.In actual applications, the first decruption key can also may be used with the second decruption key with identical
With difference.
Step S23：After two terminal device checkings pass through, first terminal equipment is sent out to ciphering and deciphering device
Sending the instruction that be-encrypted data is safely stored into second terminal equipment, instruction includes be-encrypted data,
Master control safety chip is sent to second eventually according to the instruction of first terminal equipment after be-encrypted data is encrypted
End equipment.
It is corresponding with the encryption method shown in Fig. 3, the mode that encryption data is decrypted is included：
(1) the first terminal equipment with USB interface is connected by USB interface with ciphering and deciphering device, tool
The second terminal equipment for having wireless communication module is connected by wireless communication module with ciphering and deciphering device, and first
Terminal device and second terminal equipment send device authentication and ask to ciphering and deciphering device respectively；The equipment is tested
Card request includes the PIN of encryption；
(2) ciphering and deciphering device receives the device authentication that first terminal equipment and second terminal equipment send respectively
Request, what the first decryption key decryption first terminal equipment that master control safety chip prestores according to it sent adds
Close PIN, the personal of the encryption sent using the second decryption key decryption second terminal equipment is known
Other code, and be respectively compared PIN that first terminal equipment and second terminal equipment sends with its inside
The PIN of storage whether all same, if so, then enter next step, if it is not, master control safety chip
Authentication error is sent to the terminal device for differing to point out；
(3) second terminal equipment is sent to first terminal after being sent to ciphering and deciphering device and decrypting encryption data
The instruction of equipment, master control safety chip includes encryption data according to the instruction of second terminal equipment, instruction,
First terminal equipment is sent to after encryption data is decrypted.
By the encipher-decipher method shown in Fig. 3, the data in first terminal equipment are filled by encryption and decryption
To put be sent in second terminal equipment after encryption carries out safety and can store, and reading is needed in first terminal equipment
During the data, again will after secure decryption is carried out to the encryption data in second terminal equipment by ciphering and deciphering device
Data after decryption return to first terminal equipment, realize data in first terminal equipment are whole second
Safety is separately deposited and access in end equipment.For example, when user is needed the significant data encryption on a PC
After store when on mobile phone, PC is connected by USB interface with ciphering and deciphering device, by its encryption and decryption visitor
Family end software will store data is activation on mobile phone to ciphering and deciphering device, and ciphering and deciphering device enters to data
It is sent in mobile phone by wireless communication module after row encryption and is stored.
When in actual applications, using above two encipher-decipher method provided by the present invention, encryption and decryption dress
Put only to be carried out to terminal device in terminal recognition First Contact Connections terminal device by PIN
Checking, after being verified for the first time, can give tacit consent to terminal device and encryption and decryption apparatus bound, and terminal sets
It is to verify again for ciphering and deciphering device is reused, to improve efficiency.
Using ciphering and deciphering device provided by the present invention and method, the terminal device such as mobile phone or PC with plus
When decryption device communication carries out data encryption or reads ciphertext data, it is required for first carrying out PIN code checking
Operation below can be carried out, there is no the participation of ciphering and deciphering device, the encryption number stored in mobile phone or PC
According to that cannot access, other users pass through the data encrypted in can not at will reading mobile phone or PC, realize
The safety storage of data in equipment.
Ciphering and deciphering device proposed by the present invention can solve user in terminal device safe data storage will
Ask, and the composition device of device is few, can be fabricated to small volume, bracelet easy to carry or other just
Portable device.By the use of " bracelet ", PC can be needed data file to be protected by user
In storing mobile phone after encryption.The user of " bracelet " must be can be used by authentication rear, for example
PIN code is verified.The user for holding " bracelet " can be easily by the encryption and decryption client of mobile phone terminal
Access the encryption data in mobile phone.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention
The spirit and scope of invention.So, if these modifications of the invention and modification belong to right of the present invention and want
Ask and its equivalent technology within the scope of, then the present invention be also intended to comprising these change and modification.
Claims (10)
1. a kind of ciphering and deciphering device, it is characterised in that：The safe core of master control including the PIN that is stored with
Piece (1), the USB interface (2) and wireless communication module (3) being connected with master control safety chip (1) respectively,
Also include the rechargeable battery (4) for powering for device, rechargeable battery (4) respectively with the master
Control safety chip (1) and wireless communication module (3) connection.
2. a kind of ciphering and deciphering device according to claim 1, it is characterised in that：The device also includes
The power management module (5) for rechargeable battery (4) charge with power supply management, rechargeable battery
(4) by power management module (5) respectively with master control safety chip (1) and wireless communication module (3)
Connection.
3. a kind of ciphering and deciphering device according to claim 2, it is characterised in that：The power management
Module (5) carries out the charging of charge protection including power-switching circuit (6) and to rechargeable battery (4)
Management circuit (7), rechargeable battery (4) by power-switching circuit (6) respectively with the safe core of master control
Piece (1) and wireless communication module (3) connection, charge management circuit (7) and rechargeable battery (4)
Connection.
4. a kind of ciphering and deciphering device according to claim 3, it is characterised in that：The device also includes
The display module (8) being connected with master control safety chip (1), the charge management circuit (7) also with master
Control safety chip (1) connection.
5. a kind of ciphering and deciphering device according to claim 3, it is characterised in that：The power management
Module (5) is including for controlling whether by rechargeable battery (4) as master control safety chip (1) is supplied
The powering mode of electricity controls circuit (9), the powering mode control circuit (9) respectively with rechargeable battery
(4) connected with USB interface (2).
6. a kind of ciphering and deciphering device according to claim 1, it is characterised in that：The master control safety
Chip (1) is the safety chip of built-in TimeCOS smart card operating systems.
7. according to a kind of ciphering and deciphering device of claim 1, it is characterised in that：The wireless communication module (3)
It is Wifi communication modules or bluetooth communication.
8. according to a kind of ciphering and deciphering device that one of claim 1 to 7 is described, it is characterised in that：It is described
The device medium of ciphering and deciphering device is the apparatus carriers of wearable smart machine.
9. a kind of a kind of encipher-decipher method of the ciphering and deciphering device being based on described in claim 1, including will treat
The step of encryption data is encrypted and is decrypted encryption data, it is characterised in that：By number to be encrypted
Include according to the mode being encrypted：
(1) terminal device is connected by USB interface or wireless communication module with ciphering and deciphering device, and to adding
Decryption device sends device authentication request；The device authentication request includes the PIN of encryption；
(2) ciphering and deciphering device receiving terminal apparatus send device authentication request, master control safety chip according to
The PIN encrypted described in its decryption key decryption for prestoring, and compare the PIN after decryption
Whether the PIN with its storage inside is identical, if so, then enter next step, if it is not, then master control
Safety chip sends authentication error and points out to terminal device；The decruption key is ciphering and deciphering device and terminal
The decruption key corresponding with the key of terminal device encryption PIN of equipment agreement；
(3) be-encrypted data is sent to master control safety chip by terminal device, and master control safety chip will be to be added
Terminal device is returned to after ciphertext data encryption；
The mode that encryption data is decrypted is included：
1) terminal device is connected by USB interface or wireless communication module with ciphering and deciphering device, and is solved to adding
Close device sends device authentication request；The device authentication request includes the PIN of encryption；
2) the device authentication request that decryption device receiving terminal apparatus send, master control safety chip is pre- according to its
Described in the decryption key decryption deposited encrypt PIN, and compare decryption after PIN and its
Whether the PIN of storage inside is identical, if so, then enter next step, if it is not, then master control safety
Chip sends authentication error and points out to terminal device；
3) encryption data is sent to ciphering and deciphering device by terminal device, and master control safety chip is by encryption data solution
Terminal device is returned to after close.
10. a kind of a kind of encipher-decipher method of the ciphering and deciphering device being based on described in claim 1, including will
The step of be-encrypted data is encrypted and is decrypted encryption data, it is characterised in that：Will be to be encrypted
The mode that data are encrypted includes：
(1) the first terminal equipment with USB interface is connected by USB interface with ciphering and deciphering device, tool
The second terminal equipment for having wireless communication module is connected by wireless communication module with ciphering and deciphering device, and first
Terminal device and second terminal equipment send device authentication and ask to ciphering and deciphering device respectively；The equipment is tested
Card request includes the PIN of encryption；
(2) ciphering and deciphering device receives the device authentication that first terminal equipment and second terminal equipment send respectively
Request, what the first decryption key decryption first terminal equipment that master control safety chip prestores according to it sent adds
Close PIN, the personal of the encryption sent using the second decryption key decryption second terminal equipment is known
Other code, and be respectively compared PIN that first terminal equipment and second terminal equipment sends with its inside
The PIN of storage whether all same, if so, then enter next step, if it is not, the then safe core of master control
Piece sends authentication error and points out to the terminal device for differing；
First decruption key is that ciphering and deciphering device is arranged with first terminal equipment and first terminal sets
The corresponding decruption key of the standby key for encrypting PIN；Second decruption key is filled for encryption and decryption
The key for putting arrange with second terminal equipment and second terminal equipment encryption PIN is corresponding
Decruption key；
(3) first terminal equipment sends to ciphering and deciphering device and for be-encrypted data to be safely stored into second terminal
The instruction of equipment, master control safety chip according to the instruction of first terminal equipment, after be-encrypted data is encrypted
It is sent to second terminal equipment；
The mode that encryption data is decrypted is included：
1) the first terminal equipment with USB interface is connected by USB interface with ciphering and deciphering device, is had
The second terminal equipment of wireless communication module is connected by wireless communication module with ciphering and deciphering device, and first eventually
End equipment and second terminal equipment send device authentication and ask to ciphering and deciphering device respectively；The device authentication
Request includes the PIN of encryption；
2) ciphering and deciphering device receives first terminal equipment respectively and the device authentication of second terminal equipment transmission please
Ask, the encryption that the first decryption key decryption first terminal equipment that master control safety chip prestores according to it sends
PIN, the personal identification of the encryption sent using the second decryption key decryption second terminal equipment
Code, and be respectively compared PIN that first terminal equipment and second terminal equipment sends with its inside deposit
The PIN of storage whether all same, if so, then enter next step, if it is not, master control safety chip to
The terminal device for differing sends authentication error prompting；
3) second terminal equipment is sent to first terminal and sets after being sent to ciphering and deciphering device and decrypting encryption data
Standby instruction, master control safety chip sends according to the instruction of second terminal equipment after encryption data is decrypted
To first terminal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971267.XA CN106911476B (en) | 2015-12-22 | 2015-12-22 | Encryption and decryption device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971267.XA CN106911476B (en) | 2015-12-22 | 2015-12-22 | Encryption and decryption device and method |
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| CN106911476A true CN106911476A (en) | 2017-06-30 |
| CN106911476B CN106911476B (en) | 2020-01-17 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108601008A (en) * | 2018-05-04 | 2018-09-28 | 济南浪潮高新科技投资发展有限公司 | It is a kind of based on encryption device of the quantum true random number with bluetooth |
| CN108696351A (en) * | 2018-05-04 | 2018-10-23 | 济南浪潮高新科技投资发展有限公司 | A kind of encryption device based on quantum true random number |
| CN108819486A (en) * | 2018-05-11 | 2018-11-16 | 杭州旗捷科技有限公司 | Consumable chip and its communication means, consumable chip and imaging device communication system, method |
| CN109743533A (en) * | 2018-11-23 | 2019-05-10 | 浙江星月安防科技有限公司 | Intelligent anti-theft door |
| CN110061894A (en) * | 2019-03-29 | 2019-07-26 | 国民技术股份有限公司 | A kind of appliance control method, system and household master control set |
| CN112260721A (en) * | 2020-10-21 | 2021-01-22 | 深圳创维－Rgb电子有限公司 | A-CAS communication circuit, control method and A-CAS communication device |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090113093A1 (en) * | 2007-10-29 | 2009-04-30 | Mike Chen | Mobile storage device |
| CN201601679U (en) * | 2010-01-18 | 2010-10-06 | 北京天地融科技有限公司 | Electronic signature tool supporting wireless communication |
| CN104063646A (en) * | 2013-03-19 | 2014-09-24 | 优比泰克（北京）科技有限公司 | Wireless USB key supporting mobile terminals |
| CN104182676A (en) * | 2014-09-04 | 2014-12-03 | 北京邮电大学 | Intelligent terminal data encryption method and device |
-
2015
- 2015-12-22 CN CN201510971267.XA patent/CN106911476B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090113093A1 (en) * | 2007-10-29 | 2009-04-30 | Mike Chen | Mobile storage device |
| CN201601679U (en) * | 2010-01-18 | 2010-10-06 | 北京天地融科技有限公司 | Electronic signature tool supporting wireless communication |
| CN104063646A (en) * | 2013-03-19 | 2014-09-24 | 优比泰克（北京）科技有限公司 | Wireless USB key supporting mobile terminals |
| CN104182676A (en) * | 2014-09-04 | 2014-12-03 | 北京邮电大学 | Intelligent terminal data encryption method and device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108601008A (en) * | 2018-05-04 | 2018-09-28 | 济南浪潮高新科技投资发展有限公司 | It is a kind of based on encryption device of the quantum true random number with bluetooth |
| CN108696351A (en) * | 2018-05-04 | 2018-10-23 | 济南浪潮高新科技投资发展有限公司 | A kind of encryption device based on quantum true random number |
| CN108819486A (en) * | 2018-05-11 | 2018-11-16 | 杭州旗捷科技有限公司 | Consumable chip and its communication means, consumable chip and imaging device communication system, method |
| CN108819486B (en) * | 2018-05-11 | 2019-06-21 | 杭州旗捷科技有限公司 | Consumable chip and its communication means, consumable chip and imaging device communication system, method |
| CN109743533A (en) * | 2018-11-23 | 2019-05-10 | 浙江星月安防科技有限公司 | Intelligent anti-theft door |
| CN109743533B (en) * | 2018-11-23 | 2021-07-23 | 浙江星月安防科技有限公司 | Intelligent anti-theft door |
| CN110061894A (en) * | 2019-03-29 | 2019-07-26 | 国民技术股份有限公司 | A kind of appliance control method, system and household master control set |
| CN112260721A (en) * | 2020-10-21 | 2021-01-22 | 深圳创维－Rgb电子有限公司 | A-CAS communication circuit, control method and A-CAS communication device |
| CN112260721B (en) * | 2020-10-21 | 2022-08-02 | 深圳创维－Rgb电子有限公司 | A-CAS communication circuit, control method and A-CAS communication device |
| 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 |
| CN113312648B (en) * | 2021-06-23 | 2023-10-31 | 国网黑龙江省电力有限公司绥化供电公司 | Communication module and communication method based on data encryption |
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| CN106911476B (en) | 2020-01-17 |
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