CN208722256U - A kind of digital thermal wallet based on hardware encryption and the mobile phone based on the digital thermal wallet - Google Patents
A kind of digital thermal wallet based on hardware encryption and the mobile phone based on the digital thermal wallet Download PDFInfo
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- CN208722256U CN208722256U CN201821386458.5U CN201821386458U CN208722256U CN 208722256 U CN208722256 U CN 208722256U CN 201821386458 U CN201821386458 U CN 201821386458U CN 208722256 U CN208722256 U CN 208722256U
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Abstract
The utility model discloses a kind of digital thermal wallets based on hardware encryption comprising: safety chip, setting is inside security SIM-card patch, the safety chip includes safe storage device, address scrambling devices, key generation apparatus, data processing equipment, encryption device and decryption device；The safe storage device includes register and data storage, and the register is connected with data processing equipment, and the data storage is connected with address scrambling devices；The encryption device and decryption device are connected with address scrambling devices, and the decryption device connects data processing equipment, and the encryption device is connected with key generation apparatus.The utility model further includes a kind of mobile phone of digital thermal wallet based on hardware encryption.Key is stored in the safe storage device of safety chip by the digital thermal wallet described in the utility model based on hardware encryption, make private key that can not be stolen, data processing equipment is set in safety chip, execute data handling procedure inside safety chip, it can not be monitored, provide safety guarantee for digital wallet.
Description
Technical field
The utility model relates to a kind of digital asset wallets.More specifically, the utility model relates to one kind to be based on hardware
The digital thermal wallet of encryption.
Background technique
Digital asset wallet is a kind of management tool of key, includes pairs of private key and public key in wallet, public key and private
Key is the key pair obtained by a kind of algorithm, and public key is part disclosed in cipher key pair, and private key is then private portion
Point, the transaction payment of digital wallet needs to sign using private key corresponding to wallet address, and user is signed friendship with private key
Easily, to prove that the user possesses the output power of transaction；And the Transaction Information exported is then stored in block chain.Existing number
Assets wallet software function is similar, while saving wallet management address and private key information, because being equipped with the meter of digital wallet
Calculation machine or mobile phone must access internet, and such computer or mobile phone have by hacker attacks or are implanted into the machine of trojan horse
Meeting is equivalent to tous les biens in wallet and is stolen if the private key of digital asset is stolen.
Existing digital asset wallet mostly uses the mode of keystore to carry out key storage, this method is there are two than more serious
Security risk: 1, keystore is stored in the form of a file in the ROM of mobile phone, can arbitrarily export, and keystore
Cipher mode is simple, is easier to be derived；2, it when digital asset hot money packet APP sign etc. crypto-operation, needs pair
Private key ciphertext in keystore is decrypted, and the private key after decryption is stored in mobile phone EMS memory, and easily monitored, there are biggish
Security risk.Therefore it designs a kind of can facilitate and carries out payment transaction signature and the wallet of effective and safe keeping digital asset private key
Become completely new demand.
Utility model content
One purpose of the utility model is to solve at least the above problems, and provide the advantages of at least will be described later.
There are one purposes to be to provide a kind of digital thermal wallet based on hardware encryption for the utility model, and key is saved
In the safe storage device of safety chip, outside can not be obtained；In addition safety chip taking-up is stored in its own secure storage
Key in device exports result after the completion of operation, and all steps execute inside safety chip, and key does not go out safe core
Piece, operation median are stored in the RAM of safety chip, monitor outside can not, to improve the peace of digital asset hot money packet
Quan Xing.
In order to realize these purposes and other advantages according to the present utility model, a kind of number based on hardware encryption is provided
Word hot money packet comprising:
Safety chip, setting is inside security SIM-card patch, and the safety chip includes safe storage device, and address is disturbed
Random device, key generation apparatus, data processing equipment, encryption device and decryption device；
The safe storage device includes register and data storage, and the register is connected with data processing equipment,
The data storage is connected with address scrambling devices；
The encryption device and decryption device are connected with address scrambling devices, the decryption device connection data processing dress
It sets, the encryption device is connected with key generation apparatus.
Preferably, the safety chip further includes communication interface, and the communication interface is connect with data processing equipment.
Preferably, the communication interface setting pastes surface in security SIM-card, and the security SIM-card patch is attached at mobile phone
It is communicated in SIM card.
Preferably, the key generation apparatus generates data encryption key using random fashion, one-time pad when use.
Preferably, the data storage is Flash nonvolatile memory.
Preferably, the encryption device uses asymmetric encryption.
The purpose of this utility model can also be realized further by the mobile phone of the digital thermal wallet encrypted based on hardware,
It further include chromacoder and network data transmission and processing unit, the chromacoder and network data transmission and place
Device connection is managed, data in the safety chip by communications interface transmission to network data transmission and processing unit, then pass through
Chromacoder is to Internet communication, and the network data transmission and processing unit are by chromacoder receiving come automatic network
Payment verification data, and sent data in safety chip by communication interface.
The utility model is include at least the following beneficial effects: the digital hot money described in the utility model based on hardware encryption
Packet, key are stored in the secure storage areas of safety chip, and outside can not obtain, and operation median is all stored in safety chip
In internal safe storage device, outside can not be monitored, to improve the safety of digital asset hot money packet.The utility model
The data storage is adapted to adverse circumstances, including high temperature, strenuous vibration etc., is deposited using Flash nonvolatile memory
Storing up data can be reserved at least 15 years or more, it is ensured that private key is not lost.Digital hot money described in the utility model based on hardware encryption
Packet, is provided with data processing equipment, carries out asymmetric encryption and decryption, signature, hash function operation, it is ensured that correctness of algorithm and calculation
Method operational efficiency.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structure chart of the digital thermal wallet based on hardware encryption described in the one of embodiment of the utility model；
Fig. 2 is encryption process flow chart in storage device described in the one of embodiment of the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein are not precluded one or more
The presence or addition of a other elements or combinations thereof.
As depicted in figs. 1 and 2, the utility model provides a kind of digital thermal wallet based on hardware encryption comprising: safety
Chip 100, inside security SIM-card patch, the safety chip 100 includes safe storage device, address scrambling devices for setting
101, data processing equipment 102, encryption device 103 decrypts device 104 and key generation apparatus 105；
The safe storage device includes register 111 and data storage 112, the register 111 and data processing
Device 102 is connected, and the data storage 112 is connected with address scrambling devices 101；
The encryption device 103 and decryption device 104 are connected with address scrambling devices 101, and the decryption device 104 connects
Data processing equipment 102 is connect, the encryption device 103 is connected with key generation apparatus 105.It is described in the utility model to be based on hardware
The digital thermal wallet of encryption, the encryption device 103 are connect by address scrambling devices 101 with data storage 112, and key is made
It upsets and is saved in data storage 112 by address after encryption；The data processing equipment 102 and the data storage
112 are connected by decryption device 104 and address scrambling devices 101, and the key saved in when operation data storage 112 is logical
It crosses address scrambling devices 101 and upsets rule redirection through address, then the decryption of decrypted device 104 reaches data processing equipment 102
Interior carry out data operation.In process of exchange, the intermediate data during key and crypto-operation is maintained in safety chip 100
In internal safe storage device, the safety of crypto-operation ensure that, outside can not obtain operational data, improve digital money
The safety of heat production wallet.
Encryption function upsets key by a data encryption key, a data encryption enable bit and an address come real
Existing, register 111 (ENCRYPT) can be written in Custom Encryption key by user, and makes to can control register (CTRL)
Encrypt, at this moment the data in data storage 112 will reach data by address scrambling devices 101 and decryption device 104
Processing unit 102, key are encrypted by encryption device 103, and are written in data storage 112 through address scrambling devices 101.
Customized address can also be upset key write-in register 111 (ADDR_ENC) by user, and at this moment data processing equipment 102 accesses
Address and data storage 112 in actual storage address will be inconsistent, thus the effective protection safety of program.
It is described logical in one of the embodiments, as shown in Figure 1, the safety chip 100 further includes communication interface 106
Letter interface 106 is connect with data processing equipment 102.
The key generation apparatus 105 generates the private key and public key of digital asset in pairs, and the key of generation passes through encryption dress
103 encryptions are set, then are written in data storage 112 after address scrambling devices 101 carry out address upset, the communication interface
106 transaction data received, are signed and are encrypted using private key.
The data processing equipment 102 obtains public key initial data by decryption device 104, derives wallet address, institute
It states data processing equipment and reads private key and address in safe storage device, sign to transaction.
In one of the embodiments, as shown in Figure 1, the setting of the communication interface 106 pastes surface, institute in security SIM-card
Security SIM-card patch is stated, is attached on SIM cards of mobile phones and is communicated.The communication interface 106 is connected with SIM cards of mobile phones, is needing
It generates new key or data are transmitted when payment signature.
In one of the embodiments, as shown in Figure 1, the key generation apparatus 105 generates data using random fashion
Encryption key, one-time pad when use.Data are generated using random fashion, guarantees that the private key generated is true random number, improves
The safety of transaction.
In one of the embodiments, as shown in Figure 1, the data storage 112 is Flash nonvolatile memory.
Flash is non-volatile memory medium, adapts to adverse circumstances, including high temperature, strenuous vibration etc., and storing data can be reserved at least
15 years or more, it is ensured that private key is not lost.
In one of the embodiments, as shown in Figure 1, the encryption device 103 uses asymmetric encryption.The utility model
The digital thermal wallet based on hardware encryption uses asymmetric encryption and decryption, signature, hash function operation, ensure that algorithm is correct
Property and algorithm operational efficiency.
In one of the embodiments, as shown in Figure 1, the mobile phone of the digital thermal wallet based on hardware encryption, is also wrapped
Include further includes chromacoder 202 and network data transmission and processing unit 201, the chromacoder 202 and network
Data transmission is connect with processing unit 201, data in the safety chip, is transmitted to network data by communication interface 106 and is passed
Defeated and processing unit 201, then pass through chromacoder 202 to Internet communication, the network data transmission and processing unit 201
Received by chromacoder 202 come the payment verification data of automatic network, and peace is sent data to by communication interface 106
In full chip.
The network data transmission is received by chromacoder 202 with processing unit 201 and is tested come the payment of automatic network
Data are demonstrate,proved, and data relevant to oneself wallet address will be received and be transmitted to data processing equipment 102, the data processing dress
It sets 106 and receives transaction data, trading signature is verified using public key.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (7)
1. a kind of digital thermal wallet based on hardware encryption characterized by comprising
Safety chip, inside security SIM-card patch, the safety chip includes safe storage device for setting, and dress is upset in address
It sets, key generation apparatus, data processing equipment, encryption device and decryption device；
The safe storage device includes register and data storage, and the register is connected with data processing equipment, described
Data storage is connected with address scrambling devices；
The encryption device and decryption device are connected with address scrambling devices, and the decryption device connects data processing equipment,
The encryption device is connected with key generation apparatus.
2. the digital thermal wallet as described in claim 1 based on hardware encryption, which is characterized in that the safety chip further includes
Communication interface, the communication interface are connect with data processing equipment.
3. the digital thermal wallet as claimed in claim 2 based on hardware encryption, which is characterized in that the communication interface setting exists
Security SIM-card pastes surface, and the security SIM-card patch is attached on SIM cards of mobile phones and is communicated.
4. the digital thermal wallet as described in claim 1 based on hardware encryption, which is characterized in that the key generation apparatus is adopted
Data encryption key is generated with random fashion, one-time pad when use.
5. the digital thermal wallet as described in claim 1 based on hardware encryption, which is characterized in that the data storage is
Flash nonvolatile memory.
6. the digital thermal wallet as described in claim 1 based on hardware encryption, which is characterized in that the encryption device is using non-
Symmetric cryptography.
7. the mobile phone with the digital thermal wallet based on hardware encryption as described in claim any one of 1-6, which is characterized in that also
Including chromacoder and network data transmission and processing unit, the chromacoder and network data transmission and processing
Device connects, and data in the safety chip by communications interface transmission to network data transmission and processing unit, then pass through letter
Number conversion equipment is to Internet communication, and the network data transmission and processing unit are by chromacoder receiving come automatic network
Payment verification data, and sent data in safety chip by communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821386458.5U CN208722256U (en) | 2018-08-27 | 2018-08-27 | A kind of digital thermal wallet based on hardware encryption and the mobile phone based on the digital thermal wallet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821386458.5U CN208722256U (en) | 2018-08-27 | 2018-08-27 | A kind of digital thermal wallet based on hardware encryption and the mobile phone based on the digital thermal wallet |
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| CN208722256U true CN208722256U (en) | 2019-04-09 |
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| CN201821386458.5U Active CN208722256U (en) | 2018-08-27 | 2018-08-27 | A kind of digital thermal wallet based on hardware encryption and the mobile phone based on the digital thermal wallet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108921561A (en) * | 2018-08-27 | 2018-11-30 | 河南芯盾网安科技发展有限公司 | A kind of digital thermal wallet based on hardware encryption |
| CN110633778A (en) * | 2019-09-02 | 2019-12-31 | 上海方付通商务服务有限公司 | Pad pasting card with block chain digital currency wallet function |
-
2018
- 2018-08-27 CN CN201821386458.5U patent/CN208722256U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108921561A (en) * | 2018-08-27 | 2018-11-30 | 河南芯盾网安科技发展有限公司 | A kind of digital thermal wallet based on hardware encryption |
| CN108921561B (en) * | 2018-08-27 | 2023-11-21 | 河南芯盾网安科技发展有限公司 | Digital hot wallet based on hardware encryption |
| CN110633778A (en) * | 2019-09-02 | 2019-12-31 | 上海方付通商务服务有限公司 | Pad pasting card with block chain digital currency wallet function |
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