CN109934587A - A kind of encryption currency hardware wallet of combination image scanning and identification technology realization - Google Patents
A kind of encryption currency hardware wallet of combination image scanning and identification technology realization Download PDFInfo
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- CN109934587A CN109934587A CN201910182740.4A CN201910182740A CN109934587A CN 109934587 A CN109934587 A CN 109934587A CN 201910182740 A CN201910182740 A CN 201910182740A CN 109934587 A CN109934587 A CN 109934587A
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- wallet
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Abstract
The present invention provides the encryption currency hardware wallet of a kind of combination image scanning and identification technology realization, including embedded OS, safety chip, camera and display screen, embedded OS are connect with camera, display screen and safety chip respectively；Wherein, embedded OS includes hardware-related bsp driver, system kernel, device drives interface, system program and the graphical interfaces of customization, system program include for create wallet, restore wallet and purse transaction signed, the logical program of image scanning recognizer；Come safe generation and wallet private key is stored by the RNG algorithm routine in safety chip；Algorithm logic program of the camera for the image scanning of binding operation system to be identified carries out identification to the image of scanning and carries out restoring wallet and purse transaction process by identification information；Display screen passes through the operating interactive logic shown on a display screen and shows corresponding interaction content.
Description
Technical field
The present invention relates to hardware wallet technical fields, and in particular to it is that a kind of combination image scanning and identification technology are realized plus
Close currency hardware wallet.
Background technique
It is more and more to use with the development of the blocks chain technologies such as bit coin recent years, ether mill and encryption currency
Family and tissue also gradually approve the value of the mainstreams such as bit coin, ether mill encryption currency, and still further aspect, various wallets are by hacker
The case stolen or lost also gradually increases, therefore requires the wallet of a safety for user and tissue to store these
Currency is encrypted, and what wallet substantially stored is private key, who has this private key, who just possesses these encryption monetary assets,
Once therefore private key is lost, these assets are also just permanently lost.
Hardware wallet popular earliest has Ledger Nano S, Trezor, KeepKey etc., they all support bit coin,
The mainstreams such as ether mill encrypt the wallet management of currency, the hardware wallet of these early stages can all need to pass through USB interface when in use
It is connected on computer, the security risk that may can be caught at this time by some viruses for USB；Gradually occur later some
It supports the hardware wallet of layering certainty specification (specification such as BIP32/BIP39/BIP44), and supports WIFI, bluetooth or NFC
Etc. technologies hardware wallet, these wallets although bringing great convenience in use, these open interface
Introduce potential security threat.
Summary of the invention
The object of the present invention is to provide the encryption currency hardware wallets that a kind of combination image scanning and identification technology are realized, lead to
It crosses and combines camera and image scanning recognizer, come core functions such as the creations, recovery and transaction of completing wallet, thoroughly solve
It has determined and may cause the stolen problem of assets using external interface.
The present invention provides the following technical solutions:
A kind of encryption currency hardware wallet of combination image scanning and identification technology realization, including operating system, safe core
Piece, camera and display screen；
The operating system is connect with camera, the display screen and the safety chip respectively；
The operating system is the embedded OS based on ARM framework, and the operating system includes system program, institute
State when system program includes for creating wallet generate wallet generate logical program, for purse transaction when generate signature label
Name logical program, image scanning recognition logic program and the operating interactive logical program for showing on a display screen；It is described
The RNG algorithm routine for generating and storing wallet private key is equipped in safety chip, the operating system is patrolled by the generation
Collect the wallet that program generates corresponding each block chain according to the wallet private key according to BIP32/BIP39/BIP44 specification
Account；
The paper of the wallet mnemonic word generated when the camera is for when restoring wallet to creation wallet carries out
It scans and scan image is transmitted to operating system, the system program in the operating system is patrolled by described image scanning recognition
It collects program and identification is carried out to obtain the wallet mnemonic word on paper to the scan image of acquisition, the operating system is according to institute
State the block chain wallet account that wallet mnemonic word restores corresponding；The camera is also used in purse transaction to without label
The two dimensional code of name Transaction Information is scanned and scan image is transmitted to operating system, and the operating system passes through described image
Scanning recognition logical program carries out the scan image to identify corresponding original transaction information, and the operating system is according to institute
Signature logic program is stated to sign to the original transaction information and generate corresponding transaction two dimensional code；
The display screen shows corresponding interaction content by the operating interactive logical program.
Preferably, the display screen is LED display, LCD display or OLED display screen.
Preferably, described image recognizer uses OCR algorithm.
Preferably, the operating system further includes that hardware-related bsp driver, system kernel, device drives connect
Mouth and the graphical interfaces of customization.
Preferably, the block chain wallet account includes bit coin wallet account, ether mill wallet account and other branch
Hold the wallet account of the encryption currency of BIP39/BIP32/BIP44 specification.
Preferably, including operating system, safety chip, camera and display screen, the wallet pass through the operating system, institute
The interactive connection for stating safety chip, the camera and the display screen can be used for creating wallet, restore wallet and wallet
Transaction；Wherein, creation wallet process is as follows:
A1: the PIN code of 8 digits is set first for the wallet of creation；
A2: safety chip generates random private-key by internal RNG algorithm, and is standardized according to BIP32/BIP39/BIP44
Generate corresponding wallet mnemonic word, the private key is stored encrypted according to the PIN code of user setting later described in
In safety chip；
A3: the operating system generates correspondence according to the wallet private key and by the generation logical program in system program
Block chain wallet account, complete creation wallet；
It is as follows to restore wallet process:
B1: the PIN code of 8 digits is set first for the wallet of recovery；
B2: the wallet mnemonic word generated when creating wallet is write on paper；
B3: being scanned the paper by camera and scan image is transmitted to operating system；
B4: the operating system is known by the scan image of the image scanning recognizer logical program to acquisition
Not to identify the wallet mnemonic word in paper delivery；
B5: the operating system restores corresponding block chain wallet account according to the wallet mnemonic word, thus real
Recovery wallet is showed；
Purse transaction process is as follows:
C1: the original unsigned two dimensional code for handing over information is scanned by camera and scan image is transmitted to behaviour
Make system；
C2: the operating system knows the scan image by described image scanning recognition algorithm logic program
Not, to obtain corresponding original transaction information；
C3: the operating system signs simultaneously to the original transaction information according to the signature logic program of system program
Corresponding transaction two dimensional code is generated, transaction is completed.
The beneficial effects of the present invention are: the present invention passes through the image scanning recognition logic journey in conjunction with camera and operating system
Sequence solves core functions such as recovery and the transaction of completing wallet to may cause assets using external interface stolen
Problem；The present invention generates random private-key by carrying the safety chip of RNG algorithm, raw from random private-key according to BIP39G specification
At corresponding wallet mnemonic word, and according to user input PIN code private key is further encrypted, by encrypted private key store to
In safety chip；User can complete the generation and recovery of wallet according to wallet mnemonic word, easy to operate easy-to-use；The present invention simultaneously
System program is separated with private key, encrypted private key is stored using special safety chip, increases the safety of this wallet
Property, it avoids being stolen.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is menu interface diagram of the invention；
PIN code set interface schematic diagram when Fig. 2 is present invention creation wallet；
Mnemonic word generates interface schematic diagram when Fig. 3 is present invention creation wallet；
Mnemonic word confirmation interface schematic diagram when Fig. 4 is present invention creation wallet；
Wallet account generates interface schematic diagram when Fig. 5 is present invention creation wallet；
Fig. 6 is that the present invention restores PIN code set interface schematic diagram when wallet；
Fig. 7 is that the present invention restores method choice interface schematic diagram when wallet；
Fig. 8 is that the present invention restores to scan schematic diagram when wallet；
Fig. 9 is that the present invention restores scanning recognition interface schematic diagram when wallet；
Figure 10 is that the present invention restores wallet account recovery interface schematic diagram when wallet
Two dimensional code identifies interface schematic diagram when Figure 11 is purse transaction of the present invention；
To original trading signature interface schematic diagram when Figure 12 is purse transaction of the present invention；
Transaction two dimensional code schematic diagram is generated when Figure 13 is purse transaction of the present invention.
Specific embodiment
A kind of encryption currency hardware wallet of combination image scanning and identification technology realization, including operating system, safe core
Piece, camera and display screen, wherein
Operating system is the embedded OS based on ARM framework, and operating system includes hardware-related system journey
Sequence, bsp driver, system kernel, device drives interface and the graphical interfaces of customization；System program includes for creating
When wallet generate wallet generate logical program, for purse transaction when generate signature signature logic program, image scanning know
Other logical program and operating interactive logical program for showing on a display screen, wherein image scanning recognition logic program
Using OCR algorithm；The RNG algorithm routine for generating and storing wallet private key is equipped in safety chip, operating system passes through life
It is standardized according to BIP39 from wallet private key at logical program and generates mnemonic word, and further generate corresponding each block chain
Wallet account；
The paper of the wallet mnemonic word generated when camera is for when restoring wallet to creation wallet is scanned
And scan image is transmitted to operating system, the system program in operating system is by image scanning recognition logic program to acquisition
Scan image carry out identification to obtain wallet mnemonic word on paper, operating system restores corresponding according to wallet mnemonic word
Block chain wallet account；Camera is also used to be scanned simultaneously the two dimensional code of unsigned Transaction Information in purse transaction
Scan image is transmitted to operating system, operating system identifies scan image by image scanning recognition logic program
Corresponding original transaction information, operating system are signed to original transaction information according to signature logic program and are generated corresponding
Transaction two dimensional code；
Display screen shows corresponding interaction content by operating interactive logical program.
Display screen passes through the operating interactive logic shown on a display screen and shows corresponding interaction content, specifically, display
Screen is LED display, LCD display or OLED display screen.
Above-mentioned block chain account includes bit coin wallet account, ether mill wallet account and other supports BIP39/
The wallet account of the encryption currency of BIP32/BIP44 specification.
A kind of encryption currency hardware wallet of combination image scanning and identification technology realization, including operating system, safe core
Piece, camera and display screen, the wallet are available by the interactive connection of operating system, safety chip, camera and display screen
In creation wallet, restore wallet and purse transaction, do not utilize external interface, securely and reliably, avoid steal-number, wherein creation money
Detailed process is as follows for packet, recovery wallet and purse transaction:
As shown in Figure 1, operating system, safety chip, camera and display screen are integrated in end host, to wallet
When being operated, enters homepage within long-pressing power button 3 seconds first, show screen display menu, mainly include following menu item: checking
Wallet (My Wallet), creation wallet (Create new wallet) restore wallet (Restore wallet) and wallet friendship
Easily corresponding scanning and identification option (Scan&Recognition), by selecting different options to operate wallet；
As Figure 2-Figure 5, creation wallet process is as follows:
Selection creation wallet (Create new wallet) enters setting for PIN code as shown in Figure 2 in menu above
Interface is set, user is the PIN code of the wallet of creation one 8 digit of customized setting, and safety chip is raw by RNG algorithm routine
At random private-key, later private key be stored encrypted in safety chip according to the PIN code of user setting, and according to BIP32/
BIP39/BIP44 specification generates wallet mnemonic word (the present embodiment is by taking 12 mnemonic words as an example) as shown in Figure 3 and successively by suitable
On a display screen, user ensures to be sequentially recorded these lower wallet mnemonic words under the environment of safety, to 12 for the display of sequence
After packet mnemonic word has been shown, as shown in figure 4, user is further confirmed that confirmation helps to the sequence and correctness of mnemonic word
After remembering word, as shown in figure 5, operating system generates correspondence according to wallet mnemonic word and by the generation logical program of system program
Bit coin wallet account (BTC) and the blocks chain account such as ether mill wallet account (ETC), complete the creation of wallet.
As shown in Fig. 6-Figure 10, when hardware wallet loss or damage before, new hardware wallet is needed replacing, is needed
Restore all wallet accounts in new hardware wallet, or the wallet created from other tools moves to new hardware money
When in packet, need to restore wallet, specifically, it is as follows to restore wallet process:
Selection restores the setting that wallet (Restore wallet) enters PIN code as shown in FIG. 6 in the menu of homepage
Interface, user are the PIN code for wallet one 8 digit of customized setting that will restore, and are jumped to after confirmation as shown in Figure 7
The mode for selecting wallet recovery, specifically, having through scanning (scan words) or being manually entered mnemonic word (enterwords)
Mode restore wallet, for the present embodiment is in the way of scanning mnemonic word, selection scanning mnemonic word (scanwords) enters
Scanning, user write on the wallet mnemonic word that generates when creating wallet on paper, as shown in figure 8, by camera to helping
The paper of note word is scanned and scan image is transmitted to operating system, and operating system passes through image scanning recognizer logic
Program carries out identification to the scan image of acquisition to identify wallet mnemonic word in paper delivery, and it is as shown in Figure 9 be shown in it is aobvious
In display screen, user confirms mnemonic word, and after confirming mnemonic word, as shown in Figure 10, operating system is extensive according to wallet mnemonic word
The blocks chain accounts such as multiple corresponding bit coin wallet account (BTC) and ether mill wallet account (ETC), that is, complete wallet
Recovery.
As shown in figures 11-13, purse transaction process is as follows:
The corresponding scanning of purse transaction and identification option (Scan&Recognition) are selected first in the menu of homepage,
The original unsigned two dimensional code for handing over information is scanned by camera and scan image is transmitted to operating system, is operated
System identifies scan image by image scanning recognizer logical program, to obtain corresponding original transaction letter
Breath, and on a display screen by the display of original transaction information such as Figure 11, wherein original transaction information includes receipt on account wallet account of transferring accounts
Number, number of transferring accounts (Amount), transaction procedure expense (Miner Fee) and wallet state (Memo), user confirming original friendship
It signs after easy information to raw information, i.e., as shown in figure 12, input wallet corresponding private key is set when creating wallet
The PIN code of 8 digits, after inputting correct PIN code, operating system is according to the signature logic of system program to original transaction information
It is signed and generates corresponding transaction two dimensional code as shown in fig. 13 that, complete this transaction.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. the encryption currency hardware wallet that a kind of combination image scanning and identification technology are realized, including operating system, safety chip,
Camera and display screen, it is characterised in that:
The operating system is connect with camera, the display screen and the safety chip respectively；
The operating system is the embedded OS based on ARM framework, and the operating system includes system program, the system
When system program includes for creating wallet generate wallet generations logical program, for purse transaction when generate sign signature patrol
Collect program, image scanning recognition logic program and the operating interactive logical program for showing on a display screen；The safety
The RNG algorithm routine for generating and storing wallet private key is equipped in chip, the operating system passes through the generation logic journey
Sequence generates corresponding block chain wallet account according to the wallet private key；
The paper of the wallet mnemonic word generated when the camera is for when restoring wallet to creation wallet is scanned
And scan image is transmitted to operating system, the system program in the operating system passes through described image scanning recognition logic journey
The scan image that ordered pair obtains carries out identification to obtain the wallet mnemonic word on paper, and the operating system is according to the money
Packet mnemonic word restores corresponding block chain wallet account；The camera is also used in purse transaction to unsigned friendship
The two dimensional code of easy information is scanned and scan image is transmitted to operating system, and the operating system is scanned by described image
Recognition logic program carries out the scan image to identify corresponding original transaction information, and the operating system is according to the label
Name logical program signs to the original transaction information and generates corresponding transaction two dimensional code；
The display screen shows corresponding interaction content by the operating interactive logical program.
2. the encryption currency hardware wallet that a kind of combination image scanning according to claim 1 and identification technology are realized,
It is characterized in that, the display screen is LED display, LCD display or OLED display screen.
3. the encryption currency hardware wallet that a kind of combination image scanning according to claim 1 and identification technology are realized,
It is characterized in that, described image recognizer uses OCR algorithm.
4. the encryption currency hardware wallet that a kind of combination image scanning according to claim 1 and identification technology are realized,
Be characterized in that, the operating system further include hardware-related bsp driver, system kernel, device drives interface and
The graphical interfaces of customization.
5. the encryption currency hardware wallet that a kind of combination image scanning according to claim 1 and identification technology are realized,
It is characterized in that, the block chain wallet account includes bit coin, ether mill and other supports BIP39/BIP32/BIP44 specification
Encryption currency wallet account.
6. a kind of encryption currency hardware wallet of combination image scanning and identification technology realization described in -5 according to claim 1,
Including operating system, safety chip, camera and display screen, which is characterized in that the wallet passes through the operating system, the peace
The interactive connection of full chip, the camera and the display screen can be used for creating wallet, restore wallet and purse transaction；
Wherein, creation wallet process is as follows:
A1: the PIN code of 8 digits is set first for the wallet of creation；
A2: safety chip generates random private-key by internal RNG algorithm, and is standardized and generated according to BIP32/BIP39/BIP44
Corresponding wallet mnemonic word, carries out the private key to be stored encrypted in the safety according to the PIN code of user setting later
In chip；
A3: the operating system generates corresponding area according to the wallet private key and by the generation logical program in system program
Block chain wallet account completes creation wallet；
It is as follows to restore wallet process:
B1: the PIN code of 8 digits is set first for the wallet of recovery；
B2: the wallet mnemonic word generated when creating wallet is write on paper；
B3: being scanned the paper by camera and scan image is transmitted to operating system；
B4: the operating system by the scan image of the image scanning recognizer logical program to acquisition identified from
And identify the wallet mnemonic word in paper delivery；
B5: the operating system restores corresponding block chain wallet account according to the wallet mnemonic word, to realize
Restore wallet；
Purse transaction process is as follows:
C1: being scanned the original unsigned two dimensional code for handing over information by camera and scan image is transmitted to operation system
System；
C2: the operating system identifies the scan image by described image scanning recognition algorithm logic program, from
And obtain corresponding original transaction information；
C3: the operating system is signed and is generated to the original transaction information according to the signature logic program of system program
Corresponding transaction two dimensional code completes transaction.
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| CN201910182740.4A CN109934587A (en) | 2019-03-12 | 2019-03-12 | A kind of encryption currency hardware wallet of combination image scanning and identification technology realization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910182740.4A CN109934587A (en) | 2019-03-12 | 2019-03-12 | A kind of encryption currency hardware wallet of combination image scanning and identification technology realization |
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| CN201910182740.4A Pending CN109934587A (en) | 2019-03-12 | 2019-03-12 | A kind of encryption currency hardware wallet of combination image scanning and identification technology realization |
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| US20180189753A1 (en) * | 2017-01-05 | 2018-07-05 | Beskatta, LLC | Infrastructure for obligation management and validation |
| CN108665250A (en) * | 2018-05-21 | 2018-10-16 | 北京橙鑫数据科技有限公司 | A kind of information processing method, device, hardware wallet and system |
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Application publication date: 20190625 |