CN111126973A - Encrypted digital currency wallet signature device and signature method - Google Patents
Encrypted digital currency wallet signature device and signature method Download PDFInfo
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- CN111126973A CN111126973A CN201911142484.2A CN201911142484A CN111126973A CN 111126973 A CN111126973 A CN 111126973A CN 201911142484 A CN201911142484 A CN 201911142484A CN 111126973 A CN111126973 A CN 111126973A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000012546 transfer Methods 0.000 claims abstract description 51
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000012790 confirmation Methods 0.000 claims description 48
- 238000003825 pressing Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 abstract description 19
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 description 22
- 238000010586 diagram Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 9
- 230000002452 interceptive effect Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002618 waking effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/04—Payment circuits
- G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
- G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3827—Use of message hashing
Abstract
The embodiment of the invention discloses a signature device and a signature method for an encrypted digital currency wallet, which comprises a micro control unit, a communication unit, a power management unit, a clock unit, an operation indication unit, a storage unit, a press input unit, a voice input unit and an image capture unit, wherein the micro control unit is used for controlling the communication unit to transmit a digital currency wallet signature signal to the clock unit; the micro control unit is respectively connected with the communication unit, the power management unit, the clock unit, the operation indication unit, the storage unit, the press input unit, the voice input unit and the image capture unit. The encrypted digital wallet signature device provided by the embodiment of the invention adds popular AI technologies such as voice recognition, face recognition and the like in the existing encrypted digital currency cold wallet, and application innovation is carried out on a wallet transfer transaction process, so that the manual operation process of a user is simplified, the automation degree is improved, and the user operation experience is optimized.
Description
Technical Field
The embodiment of the invention relates to the technical field of computers, in particular to a signature device and a signature method for an encrypted digital currency wallet.
Background
Encrypted digital currency (or "digital currency") originated in 2008 of a foundational paper "bitcoin white paper: a point-to-point electronic cash system is formally operated on line in a bitcoin network in early 2009, and the market of encrypted digital assets is continuously expanded from the nonexistence to the existence. According to the coinmarketcap statistic, the total market value of the global encrypted digital assets reaches 2868.20 billion dollars in 20 months 7 in 2018. In 12/17/2017, after the price of the bitcoin reaches 19737.40 dollars which are the highest historical peaks, the heat trend of the encrypted digital assets reaches the peaks, and the security problems around links of encrypted digital currency storage, transaction, intelligent contracts and the like are more and more emphasized. The encrypted digital currency is applied based on a cryptography-PKI public key system, and the most key security protection measure of the PKI public key system is the storage and use security of a private key.
In China, with the rapid development of internet financial application, the most applied public key system based on PKI is internet banking and mobile banking, and identity authentication equipment USBKey is derived to protect a private key and is used as a personal identity authentication and digital signature terminal. The requirements of the encrypted digital currency on safe storage and safe transaction are mainly the safe storage and use of a private key, and a common encrypted digital currency wallet in the market is derived by effectively upgrading USBKey equipment: and (5) cooling the wallet. The wallets related to the content of the invention are all cold wallets, and are portable signature devices.
The encrypted digital currency wallet also comprises a hot wallet, mainly refers to a wallet management tool which is operated on a mobile terminal device such as a PC terminal or a mobile phone, and the like, wherein the tool generally performs simple encrypted storage on a private key in a PIN code or fixed key mode, and when the private key needs to be called for signature, a decrypted private key is stored in an internal memory, so that the security is greatly lower than that of a cold wallet.
Compared with a hot wallet, the cold wallet can not be directly connected with a network, most cold wallet products adopt professional security chips (consistent with USBKey), the security is high, but the cold wallet still needs to be applied by means of a PC tool or a mobile phone APP when the cold wallet is used, and each wallet manufacturer can combine the cold wallet with the hot wallet based on convenience. For example, a mobile phone mobile terminal platform is used, a wallet manufacturer accesses a cold wallet into a mobile phone APP wallet application, the mobile phone is connected with the cold wallet through a Bluetooth channel, and the encrypted currency address is obtained to inquire assets and initiate transaction transfer and the like. Meanwhile, the mobile phone APP wallet application also has a hot wallet function, and a cold wallet is used in scenes with large encrypted digital currency assets and high safety requirements; for scenes with low security, small digital currency fund and high use frequency, the user can select to use the hot wallet function in the wallet APP so as to meet the requirements of users with important encrypted digital currency.
For a user, in the using process of the cold wallet, asset query and editing and organizing of transaction transfer information need to be carried out in the mobile wallet APP, then transaction information is confirmed at the wallet end, PIN codes or fingerprints are checked, information after the cold wallet is signed is fed back to the mobile wallet APP for transaction broadcasting, and a transaction result is checked in the mobile wallet APP.
Referring to fig. 1, a schematic diagram of a traditional transfer interaction process of a digital money wallet is shown, in the transfer process, a terminal (including a PC terminal or a mobile phone terminal) wallet APP firstly acquires an address of a currency type, the terminal of the digital money wallet returns a corresponding address according to the address requirement, after the address is acquired, the terminal inquires an asset to a server or a third party node, the server or the third party node prepares transfer information (including the currency type, a collection address, an amount, a commission charge and the like), then initiates a transaction, transmits transaction data to the digital money wallet terminal, displays the transfer information for a user to confirm, the user inputs a PIN code or fingerprint information and the like to complete identity authentication, calls a corresponding transfer address private key to a transfer address private key to digitally sign the transfer transaction, then returns a transaction data signing result and packages a transaction message after the signature is broadcast to the server or the third party node, and feeding back the transfer confirmation to the terminal after the transfer confirmation condition is obtained. Referring to fig. 2, which is a schematic block diagram of a structure of a conventional digital money wallet, most of cold purses used by a digital money user are second-generation USBKEY and Bluetooth type USBKEY morphological derivatives, and a general microcontroller is used for a specific digital money wallet product, a security chip is not used, and the security is low. Most digital currency wallet products adopt a microcontroller with secure storage and operation functions, namely a secure chip (or SE), transaction contents are displayed in a display mode (or voice prompt) through an indicating unit, and a user can confirm transactions by pressing an input unit (in a touch or physical key mode) and trigger a secure chip signature module to carry out digital signature. The transfer transaction interaction flow is as shown in fig. 1, a user needs to edit and organize a message of transaction content in a PC wallet tool or a mobile wallet APP, identity authentication such as a PIN code or a fingerprint is performed at a wallet terminal by pressing an input unit, and a secret key is called for digital signature after pressing confirmation. And more manual input controls exist in the interactive process, so that the operation is complicated for a user.
Disclosure of Invention
Therefore, the embodiment of the invention provides a signing device of an encrypted digital currency wallet and a signing method thereof, which are used for solving the problems of low intelligent degree and complicated operation caused by more manual input control in the existing interaction process in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of embodiments of the present invention, there is provided an encrypted digital money wallet signing apparatus including a micro control unit, a communication unit, a power management unit, a clock unit, an operation instruction unit, a storage unit, a press input unit, a voice input unit, an image capturing unit; the micro control unit is respectively connected with the communication unit, the power management unit, the clock unit, the operation indication unit, the storage unit, the press input unit, the voice input unit and the image capture unit;
the voice input unit receives input voice control information and sends the voice control information to the awakened micro control unit;
the micro control unit controls the digital currency wallet terminal to enter a corresponding transaction mode according to the voice control information and acquires transaction information;
the micro control unit organizes transaction information to generate a message, generates key transaction information to be signed and sends the key transaction information to the terminal for confirmation;
the voice input unit acquires voice confirmation information and sends the voice confirmation information to the micro control unit, and the micro control unit completes the confirmation of the information according to the voice confirmation information;
after the micro control unit finishes information confirmation, the micro control unit starts the image capturing unit to acquire the face information for authentication, calls the private key for digital signature after the authentication is finished, broadcasts the signed transaction message to the server or the third party node through the communication unit, and the server or the third party node sends the transaction confirmation condition to the terminal to finish the transfer transaction.
Further, the voice input unit is a microphone, and the image capturing unit is a camera; the operation indicating unit is a display screen or a voice broadcast loudspeaker unit.
Further, the micro control unit may obtain the transaction information by:
and the micro control unit controls the image capture unit to scan and acquire the two-dimensional code information containing the collection address, and prompts the user of the amount information and the selected currency information input by the pressing unit.
Further, the micro control unit may obtain the transaction information by:
the micro control unit controls the image capture unit to scan two-dimensional code information including currency information, amount information and a collection address, and analyzes and reads the currency information, the amount information and the collection address contained in the two-dimensional code information.
Further, the micro control unit may obtain the transaction information by:
the voice input unit directly acquires voice transaction information including collection address information, currency information, amount information and name of a collector and sends the voice transaction information to the micro control unit;
or the voice input unit directly acquires voice transaction information containing currency information, amount information and name of a payee and sends the voice transaction information to the micro control unit, and the micro control unit directly acquires corresponding payee address information corresponding to the name of the payee from the address book of the storage unit.
Further, the micro control unit organizes transaction information to generate a message, generates key transaction information to be signed and sends the key transaction information to the operation indicating unit for the user to confirm, and the specific operation steps are as follows:
the micro control unit acquires transaction information;
organizing the transaction message;
and analyzing the transaction message, generating key transaction information to be signed, and sending the key transaction information to the operation indicating unit for the user to confirm.
Further, the image capturing unit scans two-dimensional code information or human face information and sends the two-dimensional code information or the human face information to the micro control unit;
the micro control unit judges the two-dimensional code information or the face information, and if the position of the two-dimensional code information or the face information is not moderate, the position of the image capturing unit is controlled and adjusted according to the judgment result information.
Further, if the micro control unit judges that the position of the two-dimension code information or the face information is moderate, the micro control unit calls an image recognition algorithm to recognize the two-dimension code information or the face information.
Further, the micro control unit judges the two-dimension code information or the face information, and if the position of the two-dimension code information or the face information is not moderate, the micro control unit controls and adjusts the position of the image capturing unit according to the judgment result information, and the method comprises the following steps:
if the position of the two-dimensional code information is close to the right, the micro control unit sends an instruction to control the position of the image capturing unit to shift a preset angle leftwards;
and if the position of the two-dimensional code information is close to the left, the micro control unit sends an instruction to control the position of the image capturing unit to shift to the right by a preset angle.
Another aspect of the present invention provides an encrypted digital currency wallet signing method, comprising the steps of:
receiving input voice control information and sending the voice control information to the awakened micro control unit;
controlling the digital currency wallet terminal to enter a corresponding transaction mode according to the voice control information, and acquiring transaction information;
organizing transaction information to generate a message, generating key transaction information to be signed, and sending the key transaction information to the terminal for confirmation;
acquiring voice confirmation information and sending the voice confirmation information to the micro control unit, wherein the micro control unit completes the confirmation of the information according to the voice confirmation information;
after the information is confirmed, an image capturing unit is started to acquire face information for authentication, a private key is called for digital signature after the authentication is finished, a signature result is broadcasted to a server or a third-party node through a communication unit, and the server or the third-party node sends a transaction confirmation condition to a terminal to finish the digital signature.
Further, obtaining the transaction information may be obtained by:
after the two-dimensional code information containing the collection address is scanned and acquired, the user is prompted to input the amount information and the selected currency information through the pressing unit.
Further, obtaining the transaction information may be obtained by:
scanning two-dimensional code information containing currency information, amount information and a collection address, and analyzing and reading the currency information, the amount information and the collection address contained in the two-dimensional code information.
Further, obtaining the transaction information may be obtained by: acquiring voice transaction information including collection address information, currency information, amount information and name of a collector, and sending the voice transaction information to the micro control unit;
or, the voice transaction information containing currency information, amount information and name of the payee is acquired and sent to the micro control unit, and the micro control unit directly acquires the corresponding payee address information corresponding to the name of the payee from the address book of the storage unit.
Further, the organizing transaction information generates a message, generates key transaction information to be signed, and sends the key transaction information to the operation indicating unit for the user to confirm, and the method comprises the following steps:
acquiring transaction information;
organizing the transaction message;
and analyzing the transaction message, generating key transaction information to be signed, and sending the key transaction information to the operation indicating unit for the user to confirm.
Further, scanning two-dimensional code information or face information is sent to a micro control unit; the micro control unit judges the two-dimensional code information or the face information, and if the position of the two-dimensional code information or the face information is not moderate, the position of the image capturing unit is controlled and adjusted according to the judgment result information.
Further, the method also comprises the step that if the micro control unit judges that the position of the two-dimension code information or the face information is moderate, the micro control unit calls an image recognition algorithm to recognize the two-dimension code information or the face information.
Further, if the position of the two-dimensional code information or the face information is not moderate, the position of the image capturing unit is controlled and adjusted according to the judgment result information, and the method comprises the following steps:
if the position of the two-dimensional code information is close to the right, the micro control unit sends an instruction to control the position of the image capturing unit to shift a preset angle leftwards;
and if the position of the two-dimensional code information is close to the left, the micro control unit sends an instruction to control the position of the image capturing unit to shift to the right by a preset angle.
The embodiment of the invention has the following advantages:
the encrypted digital wallet signature device provided by the embodiment of the invention adds popular AI technologies such as voice recognition, face recognition and the like in the existing encrypted digital currency cold wallet, and application innovation is carried out on a wallet transfer transaction process, so that the manual operation process of a user is simplified, the automation degree is improved, and the user operation experience is optimized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
FIG. 1 is a schematic diagram of a conventional digital money wallet transfer interaction flow;
FIG. 2 is a block diagram showing the structure of a conventional digital money wallet;
fig. 3 is a schematic structural diagram of an encrypted digital currency wallet signature device according to embodiment 1 of the present invention;
fig. 4 is a block flow diagram of a method for signing an encrypted digital currency wallet according to embodiment 1 of the present invention;
FIG. 5 is a flow chart of two-dimensional code recognition collection address & voice recognition control wallet interaction;
fig. 6 is a two-dimensional code recognition transaction element & voice recognition control wallet interaction flow;
FIG. 7 is a flow diagram of a voice recognition implementation transaction element and input control interaction;
FIG. 8 is a flow chart of a new two-dimensional code recognition collection address & voice recognition control wallet interaction;
figure 9 is a new two-dimensional code recognition transaction element & voice recognition control wallet interaction flow diagram;
FIG. 10 is a flow diagram of a new speech recognition implementation transaction element input and control interaction;
FIG. 11 is a flow chart of the image recognition calibration of the present invention;
in the figure: 1: a micro control unit (or security chip); 2: a communication unit; 3: a power management unit; 4: a clock unit; 5: a storage unit; 6: an indicating unit; 7: a voice input unit; 8: an image capturing unit; 9: the input unit is pressed.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 3, a schematic structural diagram of an encrypted digital money wallet signature device provided in embodiment 1 of the present invention includes a micro control unit, a communication unit, a power management unit, a clock unit, an operation instruction unit, a storage unit, a press input unit, a voice input unit, and an image capture unit; the micro control unit is respectively connected with the communication unit, the power management unit, the clock unit, the operation indication unit, the storage unit, the press input unit, the voice input unit and the image capture unit;
the voice input unit receives input voice control information and sends the voice control information to the awakened micro control unit;
the micro control unit controls the digital currency wallet terminal to enter a corresponding transaction mode according to the voice control information and acquires transaction information;
the micro control unit organizes transaction information to generate a message, generates key transaction information to be signed and sends the key transaction information to the terminal for confirmation;
the voice input unit acquires voice confirmation information and sends the voice confirmation information to the micro control unit, and the micro control unit completes the confirmation of the information according to the voice confirmation information;
after the micro control unit finishes information confirmation, the micro control unit starts the image capturing unit to acquire the face information for authentication, calls the private key for digital signature after the authentication is finished, broadcasts the signed transaction message to the server or the third party node through the communication unit, and the server or the third party node sends the transaction confirmation condition to the terminal to finish the transfer transaction.
The voice input unit is a microphone, and the image capturing unit is a camera; the operation indicating unit is a display screen or a voice broadcast loudspeaker unit.
In an optional embodiment of the present invention, the micro control unit may obtain the transaction information by:
and the micro control unit controls the image capture unit to scan and acquire the two-dimensional code information containing the collection address, and prompts the user of the amount information and the selected currency information input by the pressing unit.
In an optional embodiment of the present invention, the micro control unit may obtain the transaction information by:
the micro control unit controls the image capture unit to scan two-dimensional code information including currency information, amount information and a collection address, and analyzes and reads the currency information, the amount information and the collection address contained in the two-dimensional code information.
In an optional embodiment of the present invention, the micro control unit may obtain the transaction information by:
the voice input unit directly acquires voice transaction information including collection address information, currency information, amount information and name of a collector and sends the voice transaction information to the micro control unit;
or the voice input unit directly acquires voice transaction information containing currency information, amount information and name of a payee and sends the voice transaction information to the micro control unit, and the micro control unit directly acquires corresponding payee address information corresponding to the name of the payee from the address book of the storage unit.
The encrypted digital wallet signature device provided by the embodiment of the invention adds popular AI technologies such as voice recognition, face recognition and the like in the existing encrypted digital currency cold wallet, and application innovation is carried out on a wallet transfer transaction process, so that the manual operation process of a user is simplified, the automation degree is improved, and the user operation experience is optimized.
The micro control unit organizes transaction information to generate a message, generates key transaction information to be signed and sends the key transaction information to the operation indicating unit for a user to confirm, and the specific operation steps are as follows:
the micro control unit acquires transaction information;
organizing the transaction message;
and analyzing the transaction message, generating key transaction information to be signed, and sending the key transaction information to the operation indicating unit for the user to confirm.
The optional implementation mode of the invention also comprises that the image capturing unit scans two-dimensional code information or human face information and sends the two-dimensional code information or the human face information to the micro control unit;
the micro control unit judges the two-dimensional code information or the face information, and if the position of the two-dimensional code information or the face information is not moderate, the position of the image capturing unit is controlled and adjusted according to the judgment result information.
The optional implementation mode of the invention further comprises that if the micro control unit judges that the position of the two-dimension code information or the face information is moderate, the micro control unit calls an image recognition algorithm to recognize the two-dimension code information or the face information.
An optional embodiment of the present invention further includes that the micro control unit judges the two-dimensional code information or the face information, and if the position of the two-dimensional code information or the face information is not moderate, the micro control unit controls and adjusts the position of the image capturing unit according to the judgment result information, including the following steps:
if the position of the two-dimensional code information is close to the right, the micro control unit sends an instruction to control the position of the image capturing unit to shift a preset angle leftwards;
and if the position of the two-dimensional code information is close to the left, the micro control unit sends an instruction to control the position of the image capturing unit to shift to the right by a preset angle.
Another aspect of the present invention provides a cryptographic digital money wallet signing method, and referring to fig. 4, a flow chart of the cryptographic digital money wallet signing method provided in embodiment 1 of the present invention is shown, including receiving input voice control information and sending the voice control information to a micro control unit that has been awakened;
controlling the digital currency wallet terminal to wake up to enter a working mode according to the voice control information;
controlling the digital currency wallet terminal to enter a corresponding transaction mode according to the voice control information, and acquiring transaction information;
organizing transaction information to generate a message, generating key transaction information to be signed, and sending the key transaction information to the terminal for confirmation;
acquiring voice confirmation information and sending the voice confirmation information to the micro control unit, wherein the micro control unit completes the confirmation of the information according to the voice confirmation information;
after the information is confirmed, an image capturing unit is started to acquire face information for authentication, a private key is called for digital signature after the authentication is finished, a signature result is broadcasted to a server or a third-party node through a communication unit, and the server or the third-party node sends a transaction confirmation condition to a terminal to finish the digital signature.
The above-mentioned acquisition transaction information may be obtained by:
after scanning and acquiring the two-dimensional code information containing the collection address, prompting a user of the amount information input through the pressing unit and the currency information selected through the operation indicating unit of the terminal.
Scanning two-dimensional code information containing currency information, amount information and a collection address, and analyzing and reading the currency information, the amount information and the collection address contained in the two-dimensional code information.
The voice input unit directly acquires voice transaction information including collection address information, currency information, amount information and name of a collector and sends the voice transaction information to the micro control unit;
or the voice input unit directly acquires voice transaction information containing currency information, amount information and name of a payee and sends the voice transaction information to the micro control unit, and the micro control unit directly acquires corresponding payee address information corresponding to the name of the payee from the address book of the storage unit.
In order to more clearly describe the method provided in embodiment 1 of the present invention in detail, the following describes the method of the present invention in more detail by using 3 specific application scenarios.
When a user wants to transfer a new collection address for a transaction, two-dimensional code information of the collection address is prepared in advance, and most wallets support two-dimensional code display. Then, a user can wake up the wallet device to enter a transfer input interface through a voice wake-up instruction, call a camera to acquire a collection address through two-dimensional code information identification, manually select a currency and input a transfer amount, perform input interaction control and face identification through a voice control instruction to realize identity authentication, call a secret key to perform digital signature after authentication is passed, and complete transaction transfer, wherein a specific transaction flow is shown in the following figure 5 and is a two-dimensional code identification collection address and voice identification control wallet interaction flow chart.
1) the mobile phone end wallet APP wakes up the wallet device by one key;
2) the wallet device end supports voice input control after waking up;
3) the user wakes up through voice: moxa, i want to transfer money;
4) the wallet device starts a two-dimensional code recognition function;
5) the user displays the two-dimensional code information of the collection address in a PC or mobile phone mode and the like;
6) the wallet identifies the two-dimensional code to obtain a collection address, and prompts a user to complete currency selection and amount input;
7) a user selects a currency on a wallet device through a touch screen and inputs a transfer amount;
8) the wallet device organizes transaction messages, displays key information of transfer through the display screen for the user to confirm, and the device also can support voice reminding users: "please check the transaction information";
9) the user confirms, for example "confirm transaction" by voice;
10) the wallet device starts face recognition identity authentication according to the user confirmation instruction;
11) the user aims at the camera of the wallet device, the face of the user is placed in the recognition frame, and the wallet device recognizes the face of the user and compares the face of the user;
12) and if the face comparison is passed, the wallet calls a corresponding private key to sign the transfer account transaction message 8).
13) And sending the signed transaction receipt to a mobile phone side wallet APP for transaction broadcasting.
14) And the mobile phone side wallet APP broadcasts the signed transaction to the server or the third party node.
15) Wallet APP learns account transfer transaction state and issues to the wallet device.
16) The wallet device obtains the broadcast status, e.g., transaction success prompting "transfer transaction complete".
In the interactive process of scenario 1, a user is required to select currency and input a transfer amount, most purses have the selected currency and support filling amount when receiving money, and the purses can display two-dimensional code information comprising three complete elements of currency type, transfer amount and collection address. Then, the user can wake up the wallet device to enter a transfer input interface through a voice wake-up instruction, call the camera to acquire transaction elements (address, amount and currency) through identifying two-dimensional code information, input interactive control and face identification are performed through a voice control instruction to realize identity authentication, and call a secret key to perform digital signature after authentication is passed to complete transaction transfer, wherein a specific transaction flow is as shown in the following figure 6 and controls a wallet interactive flow for two-dimensional code identification transaction element and voice identification.
1) the mobile phone end wallet APP wakes up the wallet device by one key;
2) the wallet device end supports voice input control after waking up;
3) the user wakes up through voice: moxa, i want to transfer money;
4) the wallet device starts a two-dimensional code recognition function;
5) a user displays a two-dimensional code containing transfer transaction information in a PC (personal computer) or mobile phone mode and the like;
6) the wallet identifies the two-dimensional code to obtain currency types, transfer amount and a collection address;
7) the wallet device organizes transaction messages and displays key information of account transfer through the display screen for a user to confirm. The device may also support voice alerting the user: "please check the transaction information";
8) the user confirms, for example "confirm transaction" by voice;
9) the wallet device starts face recognition identity authentication according to the user confirmation instruction;
10) the user aims at the camera of the wallet device, the face of the user is placed in the recognition frame, and the wallet device recognizes the face of the user and compares the face of the user;
11) and (4) the wallet calls a corresponding private key to sign the transfer account transaction message 7) through face comparison.
12) And sending the signed transaction receipt to a mobile phone side wallet APP for transaction broadcasting.
13) And the mobile phone side wallet APP broadcasts the signed transaction to the server or the third party node.
14) Wallet APP learns account transfer transaction state and issues to the wallet device.
15) The wallet device obtains the broadcast status, e.g., transaction success prompting "transfer transaction complete".
After the transaction transfer is processed through scenario 1 or scenario 2, the user may store the payee address and name in the address book. When the address book has address transaction transfer, the user completes transaction element input and interactive control through the voice recognition technology, performs identity authentication through face recognition, performs digital signature through a key after authentication, and completes transaction transfer, wherein the specific transaction flow is shown in the following figure 7, and the transaction element and input control interactive flow chart is realized for voice recognition.
1) the mobile phone end wallet APP wakes up the wallet device by one key;
2) after the wallet device is awakened, voice input is supported, and the user voice is waited to be received;
3) the user may input the transaction elements by voice: and small Ai, i need to convert three to 5.2 bitcoins.
4) The wallet device recognizes the voice input and extracts three elements of the transaction: "Zhang three", "5.2", "Biguo";
5) the wallet retrieves a corresponding collection address in the address book by the identified name Zhang III and organizes a transaction message;
6) the wallet device organizes transaction messages, displays key information of transfer through the display screen for the user to confirm, and the device also can support voice reminding users: "please check the transaction information";
7) the user confirms, for example "confirm transaction" by voice;
8) the wallet device starts face recognition identity authentication according to the user confirmation instruction;
9) the user aims at the camera of the wallet device, the face of the user is placed in the recognition frame, and the wallet device recognizes the face of the user and compares the face of the user.
10) And if the face comparison is passed, the wallet calls a corresponding private key to sign the transfer account transaction message in the step 6).
11) And sending the signed transaction receipt to a mobile phone side wallet APP for transaction broadcasting.
12) And the mobile phone side wallet APP broadcasts the signed transaction to the server or the third party node.
13) Wallet APP learns account transfer transaction state and issues to the wallet device.
14) The wallet device obtains the broadcast status, e.g., transaction success prompting "transfer transaction complete".
The method for encrypting the digital currency wallet signature, provided by the embodiment of the invention, has the advantages that the wallet transfer transaction process is innovated by application, the manual operation process of a user is simplified, the automation degree is improved, and the user operation experience is optimized.
The transaction message organization in scenarios 1, 2, 3 is done in the wallet device, and then for encrypted digital currency, e.g. bitcoin, it is necessary to synchronize the relevant transaction data of the wallet, learn the un-spent UTXO, and then organize the transaction message efficiently. Because the wallet device resources are limited, all transaction data cannot be synchronized into the device generally, and the device does not have the capability of organizing transaction messages, so that the work of organizing transaction messages can be processed by the mobile phone APP. I.e., scenario 1, 2, 3, the process example may be upgraded and optimized as follows. Referring to fig. 8 to 10, there are flow charts corresponding to the above-described embodiments 1 to 3, respectively.
That is, an optional embodiment of the present invention further includes that the above-mentioned micro control unit organizes transaction information to generate a message, and generates key transaction information to be signed and sends the key transaction information to a terminal for confirmation, including the following steps:
acquiring transaction information;
organizing the transaction message;
and analyzing the transaction message, generating key transaction information to be signed, and sending the key transaction information to the terminal for confirmation.
Referring to fig. 8, a new two-dimensional code recognition collection address & voice recognition wallet interaction process, that is, 1) scenario 1 "two-dimensional code recognition collection address & voice recognition wallet interaction" fig. 4 is upgraded to fig. 7. Fig. 7 optimizes step 8) in fig. 4 to step 8) -step 11), the function of organizing the transaction message is completed by the mobile phone wallet APP, and the rest of operations remain the same as the original process.
Fig. 9 is a new two-dimensional code recognition transaction element & voice recognition control wallet interaction flow chart, and 2) scenario 2 "two-dimensional code recognition transaction element & voice recognition control wallet interaction" fig. 5 is upgraded to fig. 8. Fig. 8 optimizes step 7) in fig. 5 to step 7) -step 10), the function of organizing the transaction message is completed by the mobile phone wallet APP, and the rest of operations remain the same as the original process.
Referring to fig. 10, a new speech recognition implementation transaction element input and control interaction flow diagram, 3) scenario 3 "speech recognition implementation transaction element input and control" fig. 6 is upgraded to fig. 9. Fig. 9 optimizes step 8) in fig. 6 to step 8) -step 11), the function of organizing the transaction message is completed by the mobile phone wallet APP, and the rest of operations remain the same as the original process.
When the camera is used for capturing the two-dimensional code image and the face image, the device can provide a feedback signal according to the position of a captured object, and the transmission device is controlled to adjust the position of the camera so as to obtain better two-dimensional code image recognition and face recognition effects. Referring to fig. 11, which is a flowchart of an image recognition calibration method according to the present invention, an alternative embodiment of the present invention further includes that the image capturing unit scans two-dimensional code information or face information and sends the two-dimensional code information or face information to the micro control unit;
the micro control unit judges the two-dimensional code information or the face information, and if the position of the two-dimensional code information or the face information is not moderate, the position of the image capturing unit is controlled and adjusted according to the judgment result information.
The optional implementation mode of the invention also comprises that if the position of the two-dimension code information or the face information is determined to be moderate, the micro control unit calls an image recognition algorithm to recognize the two-dimension code information or the face information.
An optional embodiment of the present invention further includes that the micro control unit judges the two-dimensional code information or the face information, and if the position of the two-dimensional code information or the face information is not moderate, the micro control unit controls and adjusts the position of the image capturing unit according to the judgment result information, including the following steps:
if the position of the two-dimensional code information is close to the right, the micro control unit sends an instruction to control the position of the image capturing unit to shift a preset angle leftwards;
and if the position of the two-dimensional code information is close to the left, the micro control unit sends an instruction to control the position of the image capturing unit to shift to the right by a preset angle.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. An encrypted digital currency wallet signature device is characterized by comprising a micro control unit, a communication unit, a power management unit, a clock unit, an operation indication unit, a storage unit, a press input unit, a voice input unit and an image capture unit; the micro control unit is respectively connected with the communication unit, the power management unit, the clock unit, the operation indication unit, the storage unit, the press input unit, the voice input unit and the image capture unit;
the voice input unit receives input voice control information and sends the voice control information to the awakened micro control unit;
the micro control unit controls the digital currency wallet terminal to enter a corresponding transaction mode according to the voice control information and acquires transaction information;
the micro control unit organizes transaction information to generate a message, generates key transaction information to be signed and sends the key transaction information to the terminal for confirmation;
the voice input unit acquires voice confirmation information and sends the voice confirmation information to the micro control unit, and the micro control unit completes the confirmation of the information according to the voice confirmation information;
after the micro control unit finishes information confirmation, the micro control unit starts the image capturing unit to acquire the face information for authentication, calls the private key for digital signature after the authentication is finished, broadcasts the signed transaction message to the server or the third party node through the communication unit, and the server or the third party node sends the transaction confirmation condition to the terminal to finish the transfer transaction.
2. The apparatus of claim 1, wherein the voice input unit is a microphone and the image capturing unit is a camera; the operation indicating unit is a display screen or a voice broadcast loudspeaker unit.
3. The device of claim 1, wherein the micro-control unit obtains the transaction information by:
and the micro control unit controls the image capture unit to scan and acquire the two-dimensional code information containing the collection address, and prompts the user of the amount information and the selected currency information input by the pressing unit.
4. The device of claim 1, wherein the micro-control unit obtains the transaction information by:
the micro control unit controls the image capture unit to scan two-dimensional code information including currency information, amount information and a collection address, and analyzes and reads the currency information, the amount information and the collection address contained in the two-dimensional code information.
5. The device of claim 1, wherein the micro-control unit obtains the transaction information by:
the voice input unit directly acquires voice transaction information including collection address information, currency information, amount information and name of a collector and sends the voice transaction information to the micro control unit;
or the voice input unit directly acquires voice transaction information containing currency information, amount information and name of a payee and sends the voice transaction information to the micro control unit, and the micro control unit directly acquires corresponding payee address information corresponding to the name of the payee from the address book of the storage unit.
6. The device according to claim 1, wherein the micro control unit organizes transaction information to generate a message, generates key transaction information to be signed, and sends the key transaction information to the operation instruction unit for confirmation by a user, and the specific operation steps are as follows:
the micro control unit acquires transaction information;
organizing the transaction message;
and analyzing the transaction message, generating key transaction information to be signed, and sending the key transaction information to the operation indicating unit for the user to confirm.
7. The device of claim 1, wherein the image capturing unit scans two-dimensional code information or human face information and sends the two-dimensional code information or human face information to the micro control unit;
the micro control unit judges the two-dimensional code information or the face information, and if the position of the two-dimensional code information or the face information is not moderate, the position of the image capturing unit is controlled and adjusted according to the judgment result information.
8. The device according to claim 7, wherein if the micro control unit determines that the two-dimension code information or the face information is in a moderate position, the micro control unit calls an image recognition algorithm to recognize the two-dimension code information or the face information.
9. The device of claim 7, wherein the micro control unit judges the two-dimensional code information or the face information, and controls and adjusts the position of the image capturing unit according to the judgment result information if the position of the two-dimensional code information or the face information is not moderate, comprising the following steps:
if the position of the two-dimensional code information is close to the right, the micro control unit sends an instruction to control the position of the image capturing unit to shift a preset angle leftwards;
and if the position of the two-dimensional code information is close to the left, the micro control unit sends an instruction to control the position of the image capturing unit to shift to the right by a preset angle.
10. A cryptographic digital currency wallet signing method comprising the steps of:
receiving input voice control information and sending the voice control information to the awakened micro control unit;
controlling the digital currency wallet terminal to enter a corresponding transaction mode according to the voice control information, and acquiring transaction information;
organizing transaction information to generate a message, generating key transaction information to be signed, and sending the key transaction information to the terminal for confirmation;
acquiring voice confirmation information and sending the voice confirmation information to the micro control unit, wherein the micro control unit completes the confirmation of the information according to the voice confirmation information;
after the information is confirmed, an image capturing unit is started to acquire face information for authentication, a private key is called for digital signature after the authentication is finished, a signature result is broadcasted to a server or a third-party node through a communication unit, and the server or the third-party node sends a transaction confirmation condition to a terminal to finish the digital signature.
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| CN201911142484.2A CN111126973A (en) | 2019-11-20 | 2019-11-20 | Encrypted digital currency wallet signature device and signature method |
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