CN110633778A - Pad pasting card with block chain digital currency wallet function - Google Patents
Pad pasting card with block chain digital currency wallet function Download PDFInfo
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- CN110633778A CN110633778A CN201910823405.8A CN201910823405A CN110633778A CN 110633778 A CN110633778 A CN 110633778A CN 201910823405 A CN201910823405 A CN 201910823405A CN 110633778 A CN110633778 A CN 110633778A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
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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
- G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
- G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
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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
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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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
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
- G06Q20/4012—Verifying personal identification numbers [PIN]
Abstract
The invention provides a film card with block chain digital currency wallet function, comprising: the main key module is used for importing a main key of the digital money wallet, randomly generating the main key of the digital money wallet, randomly or based on mnemonic words to generate a seed, and based on the seed to generate the main key of the digital money wallet or based on the mnemonic words to generate the main key of the digital money wallet, and sending the seed and the main key to the protection password module for encryption, and storing the encrypted seed and the main key; and the protection password module is connected with the main key module and used for generating and storing a protection password based on the main key when the main key is imported, randomly generated or generated based on the mnemonic word, generating and storing a protection password according to the seed when the main key is generated based on the seed, and encrypting the seed and the main key according to the protection password. The film pasting clamp with the function of the block chain digital currency wallet has higher safety, and can avoid unnecessary loss of digital currency on the property of a user.
Description
Technical Field
The invention belongs to the technical field of digital certificate safety equipment, and particularly relates to a film-pasted card with a function of a block chain digital currency wallet.
Background
In the prior art, virtual digital currencies (e.g., bitcoin, letty coin, bitstock, vicat coin, gold coin or celestial coin, etc.) are widely used. The existing secret keys (including private keys and public keys) of accounts for storing and trading virtual digital currency are generally uniformly stored in a client, and because the security of the client is low and the secret keys are passwords for trading the virtual digital currency, the secret keys of a digital currency wallet are stored in the client easily to cause secret key leakage, and the security is low, so that unnecessary loss is caused to user property.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a film-attached card with a blockchain digital currency wallet function, which is used to solve the problems that the security of the key storage of the digital currency wallet in the prior art is low, the key is easy to leak, and unnecessary loss is caused to the user property.
To achieve the above and other related objects, the present invention provides a patch card with a blockchain digital money wallet function, comprising: the system comprises a master key module and a protection password module; wherein the content of the first and second substances,
the master key module is used for importing a master key of the digital money wallet, randomly generating the master key of the digital money wallet, randomly or based on mnemonic words to generate a seed, and based on the seed to generate the master key of the digital money wallet or based on the mnemonic words to generate the master key of the digital money wallet, and sending the seed and the master key to the protection password module for encryption, and storing the encrypted seed and the master key;
the protection password module is connected with the main key module and used for generating and storing a protection password based on the main key when the main key is imported, randomly generated or generated based on mnemonics, generating and storing a protection password according to the seed when the main key is generated based on the seed, and encrypting the seed and the main key according to the protection password.
Optionally, when the master key module is used to import a master key of a digital money wallet, the master key module includes:
the leading-in unit is connected with the protection password module and used for leading in the main secret key and sending the main secret key to the protection password module;
and the storage unit is connected with the protection password module and used for storing the main secret key encrypted by the protection password module.
Optionally, the master key module is configured to randomly generate a master key for a digital currency wallet, the master key module comprising:
the master key generation unit is connected with the protection password module and used for generating the master key and sending the master key to the protection password module;
and the storage unit is connected with the protection password module and is used for storing the main key digital currency encrypted by the protection password module.
Optionally, the film-attached card with the function of the blockchain digital currency wallet further comprises a mnemonic word generation module, and the mnemonic word generation module is used for generating a mnemonic word corresponding to the master key according to the master key and deriving digital currency.
Optionally, the film-attached card with the function of the blockchain digital currency wallet further comprises a recovery module, wherein the recovery module is connected with the protection password module and is used for inputting the mnemonic words, generating a master key based on the mnemonic words and sending the master key to the protection password module; the protection password module is also used for generating a protection password based on the master key generated by the mnemonic words and storing digital currency.
Optionally, when the master key module is configured to randomly generate a seed and generate a master key of the digital money wallet based on the seed, the master key module includes:
the seed generating unit is connected with the protection password module and used for generating the seed and sending the seed to the protection password module;
the master key generation unit is connected with the seed generation unit and the protection password module and used for generating the master key based on the seed and sending the master key to the protection password module;
and the storage unit is connected with the protection password module and used for storing the seed and the master key encrypted by the protection password module.
Optionally, the film card with the function of the blockchain digital money wallet further includes a derivation module, where the derivation module is connected to the master key module, and is configured to derive at least one first-level sub-account based on the master key, generate a private key and a public key of the first-level sub-account, derive at least one next-level sub-account based on the private key of the previous-level sub-account, and generate a private key and a public key digital currency of the first-level sub-account.
Optionally, the patch card with blockchain digital currency wallet function further comprises:
the security module comprises a verification unit and a signature unit, wherein the verification unit is used for storing a target PIN code and comparing and verifying the input PIN code and the target PIN code through the mobile terminal and a popup PIN code input box when request information is received; the request information comprises transaction request information; the signature unit is connected with the derivation module and the verification unit and is used for signing according to a private key matched with a public key in the transfer bill when the transfer bill is received and the PIN code comparison verification is passed;
the calling module is connected with the deriving module and the verification unit and used for calling a public key of at least one sub-account when transaction request information and PIN code comparison verification passing information are received; the transaction request information includes transfer request information or receipt request information digital currency.
Optionally, the film-attached card with the function of the blockchain digital currency wallet further comprises a mnemonic word generation module, wherein the mnemonic word generation module is used for generating a mnemonic word corresponding to the seed according to the seed and exporting digital currency.
Optionally, the film-attached card with the function of the block chain digital money wallet further comprises a recovery module, wherein the recovery module is connected with the protection password module, and is used for inputting mnemonic words, generating seeds based on the mnemonic words, generating main passwords based on the seeds, and sending the main passwords to the protection password module; the protection password module is also used for generating a protection password based on the master key generated by the mnemonic word and saving digital currency.
Optionally, the patch card with blockchain digital currency wallet function further comprises:
the communication protocol module is used for carrying out information interaction with an equipment structure outside the film-attached card with the function of the block chain digital currency wallet;
and the instruction analysis module is connected with the communication protocol module and the master key module and is used for analyzing and distributing the request information which is received by the communication protocol module and is from the outside of the film-attached card with the function of the block chain digital currency wallet to the corresponding module.
Optionally, the patch card with blockchain digital currency wallet function further comprises:
the film-pasted card main body with the function of the block chain digital currency wallet comprises a first surface and a second surface which are opposite;
and the connecting contacts are positioned on the first surface and the second surface of the film-attached card main body with the function of the block chain digital currency wallet, are connected with the communication protocol module, and are connected with the connecting contacts positioned on the first surface of the film-attached card main body with the function of the block chain digital currency wallet through the inner part of the film-attached card main body with the function of the block chain digital currency wallet.
As described above, the film-attached card with the function of the block chain digital currency wallet of the present invention has the following beneficial effects:
the film card with the function of the blockchain digital currency wallet can be used for storing the main key and the protection key of the digital currency wallet and digital currency without storing the main key and the protection key of the digital currency wallet at a client, so that the film card has higher safety, can effectively avoid the leakage of the main key and the protection key of the digital currency wallet and avoid unnecessary loss of user property.
Drawings
Fig. 1 to 8 are block diagrams showing the structure of a film card having a function of a blockchain digital money wallet in various examples provided for the present invention.
Description of the element reference numerals
1 Master Key Module
11 introduction unit
12 memory cell
13 Master Key Generation Unit
14 seed generating unit
2 protection cipher module
3 mnemonic word generating module
4 recovery module
5 derived module
6 Security Module
61 authentication unit
62 signature unit
7 calling module
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Please refer to fig. 1 to 8. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and although the drawings only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation, the type, quantity and proportion of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Referring to fig. 1, the present embodiment provides a patch card with a blockchain digital money wallet function, including: comprises a main key module 1 and a protection password module 2; the master key module 1 is configured to import a master key of a digital money wallet, randomly generate a master key of the digital money wallet, randomly or based on a mnemonic word to generate a seed, generate a master key of the digital money wallet based on the seed or generate a master key of the digital money wallet based on the mnemonic word, send the seed and the master key to the protection cryptographic module for encryption, and store the encrypted seed and the master key; the protection password module 2 is connected with the main key module 1, and the protection password module 2 is configured to generate and store a protection password based on the main key when the main key is imported, randomly generated, or generated based on a mnemonic word, generate and store a protection password according to the seed when the main key is generated based on the seed, and encrypt digital currency for the seed and the main key according to the protection password.
The film-pasted card with the function of the blockchain digital currency wallet is an intelligent card, can be pasted on an SIM card in a mobile phone of a user, and then is inserted into a mobile phone card slot together with the SIM card, so that the effect digital currency of installing two intelligent cards (namely the film-pasted card with the function of the blockchain digital currency wallet and the original SIM card of the user) in one mobile phone card slot is realized on the basis of ensuring that the original functions of the mobile phone are not changed.
As an example, the film-attached card with the blockchain digital money wallet function may be used in cooperation with a mobile terminal (such as a mobile phone) and a sim (subscriber Identity module) card, i.e., the film-attached card with the blockchain digital money wallet function may be mounted on the mobile terminal.
In an example, the blockchain digital money wallet may be a non-deterministic wallet, as shown in fig. 2, when the master key module 1 is used to import the master key of the digital money wallet, the master key module 1 includes: the importing unit 11, the importing unit 11 is connected to the protected cryptographic module 2, and the importing unit 11 is configured to import the master key and send the master key to the protected cryptographic module 2; and the storage unit 12, the storage unit 12 is connected to the protected cryptographic module 2, and the storage unit 12 is configured to store the master key encrypted by the protected cryptographic module 2.
In another example, the blockchain digital money wallet may be a non-deterministic wallet, as shown in fig. 3, the master key module 1 is for randomly generating a master key of the digital money wallet, the master key module 1 includes: the master key generation unit 13, the master key generation unit 13 is connected to the protected cryptographic module 2, and the master key generation unit 13 is configured to generate the master key and send the master key to the protected cryptographic module 2; specifically, the master key generation unit 13 may randomly generate the master key based on a true random number generator; and the storage unit 12, the storage unit 12 is connected with the protection cryptographic module 2, and the storage unit 12 is used for storing the master key after the protection cryptographic module 2 is encrypted.
In yet another example, where the blockchain digital currency wallet may be a deterministic wallet (i.e., a layered wallet), as shown in fig. 4, the master key module 1 is configured to randomly generate a seed and generate a master key for the digital currency wallet based on the seed, the master key module 1 includes: the seed generation unit 14 is connected with the protection cryptographic module 2, and the seed generation unit 14 is configured to generate the seed and send the seed to the protection cryptographic module 2; a master key generation unit 13, where the master key generation unit 13 is connected to the seed generation unit 14 and the protected cryptographic module 2, and the master key generation unit 13 is configured to generate the master key based on the seed and send the master key to the protected cryptographic module 2; and the storage unit 12, the storage unit 12 is connected to the protected cryptographic module 2, and the storage unit 12 is configured to store the seed and the master key encrypted by the protected cryptographic module 2.
As an example, as shown in fig. 5, the film-attached card with a function of a blockchain digital money wallet further includes a mnemonic word generation module 3, where the mnemonic word generation module 3 is connected to the master key module 1, and the mnemonic word generation module 3 is configured to generate and derive a mnemonic word corresponding to the master key according to the master key.
As an example, the mnemonic word generation module 3 may generate a mnemonic word group including a plurality of mnemonics, that is, one mnemonic word may include a plurality of characters in the master key, and all the mnemonics may cover all the characters of the password. By arranging the mnemonic word generating module 3, the main secret key can be converted into a more concise mnemonic word which is convenient to memorize, so that the mnemonic word is convenient for a user to memorize.
As an example, the mnemonic word generation module 3 may include: a mnemonic word generating unit (not shown) connected to the master key module 1, the mnemonic word generating unit being configured to generate the mnemonic word corresponding to the master key according to the master key; a mnemonic word storage unit (not shown) connected to the mnemonic word generation unit, the mnemonic word storage unit being configured to store the mnemonic words generated by the mnemonic word generation unit.
In an example, as shown in fig. 6, when the blockchain digital money wallet is a non-deterministic wallet, the film-attached card with the blockchain digital money wallet function further includes a recovery module 4, the recovery module 4 is connected to the protected cryptographic module 2, and the recovery module 4 is configured to input the mnemonic word and generate a master key based on the mnemonic word and send the master key to the protected cryptographic module 2.
In another example, as shown in fig. 6, when the blockchain digital money wallet is a deterministic wallet, the film-attached card with blockchain digital money wallet function further includes a recovery module 4, the recovery module 4 is connected to the protected password module 2, and the recovery module 4 is configured to input the mnemonic word, generate a seed based on the mnemonic word, and generate a main password based on the seed to send to the protected password module 2. By arranging the recovery module 4, the master key of the original film-covered card with the function of the blockchain digital currency wallet can be arranged in the new film-covered card with the function of the blockchain digital currency wallet.
As an example, as shown in fig. 7, when the blockchain digital money wallet may be a deterministic wallet, the film card with the function of the blockchain digital money wallet further includes a derivation module 5, the derivation module 5 is connected to the master key module 1, and the derivation module 5 is configured to derive at least one first-level sub-account based on the master key and generate a private key and a public key of the first-level sub-account, and derive at least one next-level sub-account based on a private key of a previous-level sub-account and generate a private key and a public key of the next-level sub-account. It should be noted that, the number of the sub-accounts generated by the film card of the digital money wallet with blockchain may be set according to actual needs, and is not limited herein.
The film-pasted card with the function of the block chain digital money wallet can be used for deriving all levels of sub-accounts and generating the private keys and the public keys of all levels of sub-accounts, and the private keys and the public keys of all levels of sub-accounts do not need to be stored in a client, so that the film-pasted card has higher safety, can effectively avoid the leakage of the main key and the protection key of the digital money wallet, and avoids unnecessary loss to the property of a user.
As an example, referring to fig. 8, the sticker card with a function of a blockchain digital money wallet further includes: the security module 6 comprises a verification unit 61 and a signature unit 62, wherein the verification unit 64 is used for storing a target PIN code, popping up a PIN code input box through the mobile terminal when request information is received, and comparing and verifying the input PIN code and the target PIN code; the request information comprises transaction request information; the signature unit 62 is connected with the derivation module 5 and the verification unit 61, and the signature unit 62 is configured to perform signature according to a private key matched with a public key in the transfer bill when the received transfer bill and the PIN code comparison verification pass; the calling module 7 is connected with the deriving module 5 and the verification unit 61, and the calling module 7 is used for calling a public key of at least one sub-account when transaction request information and PIN code comparison verification passing information are received; the transaction request information includes transfer request information or receipt request information. By arranging the security module 6 in the patch card with the function of the blockchain digital currency wallet, PIN code verification is required when relevant operations (such as a master key writing operation, a transfer operation or an account collection operation) are carried out, so that the security is further improved.
Digital currency, the patch card with blockchain digital currency wallet functionality further includes: a communication protocol module (not shown), configured to perform information interaction with the device structure outside the film-attached card with the blockchain digital money wallet function, for example, to receive request information sent by the device structure outside the film-attached card with the blockchain digital money wallet function, and to feed back, to the device structure outside the film-attached card with the blockchain digital money wallet function, feedback information that is required by each module in the film-attached card with the blockchain digital money wallet function to feed back to the device structure outside the film-attached card with the blockchain digital money wallet function; and the instruction analysis module (not shown) is used for analyzing the request information received by the communication protocol module from the outside of the film card with the function of the block chain digital currency wallet and distributing the request information to the corresponding module, wherein the request information is sent to the communication protocol module, the master key module 1, the security module 6, the calling module 7 and the recovery module 4.
As an example, the sticker card with a blockchain digital money wallet function further includes: a film-covered card body (not shown) having a blockchain digital money wallet function, the film-covered card body having a blockchain digital money wallet function including opposing first and second surfaces; the master key module 1, the protection password module 2, the mnemonic word generation module 3, the recovery module 4, the derivation module 5, the security module 6, the calling module 7, the communication protocol module and the instruction analysis module are all located in the film card body with the function of the block chain digital currency wallet; and the connecting contacts are positioned on the first surface and the second surface of the film-coated card main body with the function of the block chain digital money wallet, are connected with the communication protocol module, and are connected with the connecting contacts positioned on the first surface of the film-coated card main body with the function of the block chain digital money wallet through the inner part of the film-coated card main body with the function of the block chain digital money wallet.
As an example, the connection contact is a connection contact in conformity with the ISO7816 specification.
As an example, the number of the connection contacts may be 5, and the connection contacts may include: a reset pin rst, a clock pin clk, a ground pin gnd, a voltage pin vcc and an input/output pin IO; the reset pin rst, the clock pin clk, the ground pin gnd, the voltage pin vcc and the input/output pin IO in the connection contact on the first surface of the film-coated card body with the block chain digital money wallet function are vertically and correspondingly arranged with the reset pin rst, the clock pin clk, the ground pin gnd, the voltage pin vcc and the input/output pin IO in the connection contact on the second surface of the film-coated card body with the block chain digital money wallet function, and are connected one by one inside the film-coated card body with the block chain digital money wallet function, and the voltage pin vcc in the connection contact is connected with the communication protocol module. The reset pin rst, the clock pin clk, the ground pin gnd, the voltage pin vcc, and the input/output pin IO in the connection contact on the first surface of the film-attached card body having the block chain digital money wallet function are connected in one-to-one correspondence with the reset pin rst, the clock pin clk, the ground pin gnd, the voltage pin vcc, and the input/output pin IO in the connection contact on the second surface of the film-attached card body having the block chain digital money wallet function through the inside of the film-attached card body having the block chain digital money wallet function, so that each pin in the connection contacts has a transparent function, that is, when the film-attached card having the block chain digital money wallet function is used in cooperation with the mobile terminal and the smart card, a pin in the mobile terminal can be connected to a corresponding pin in the connection contact through the corresponding pin in the connection contact and a corresponding lead on the surface of the smart card The feet are connected.
As an example, the connection contacts further include a single wire connected protocol pin swp (not shown).
As described above, the film-attached card with a function of a blockchain digital currency wallet of the present invention includes a master key module and a protection password module; the master key module is used for importing a master key of the digital money wallet, randomly generating the master key of the digital money wallet, randomly or based on mnemonic words to generate a seed, and based on the seed to generate the master key of the digital money wallet or based on the mnemonic words to generate the master key of the digital money wallet, and sending the seed and the master key to the protection password module for encryption, and storing the encrypted seed and the master key; the protection password module is connected with the main key module and used for generating and storing a protection password based on the main key when the main key is imported, randomly generated or generated based on mnemonics, generating and storing a protection password according to the seed when the main key is generated based on the seed, and encrypting digital currency for the seed and the main key according to the protection password. The film card with the function of the blockchain digital currency wallet can be used for storing the main key and the protection key of the digital currency wallet, and the main key and the protection key of the digital currency wallet do not need to be stored in a client, so that the film card has higher safety, can effectively avoid the leakage of the main key and the protection key of the digital currency wallet, and avoids unnecessary loss of user property.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (12)
1. A film card with block chain digital currency wallet function is characterized by comprising a master key module and a protection password module; wherein the content of the first and second substances,
the master key module is used for importing a master key of the digital money wallet, randomly generating the master key of the digital money wallet, randomly or based on mnemonic words to generate a seed, and based on the seed to generate the master key of the digital money wallet or based on the mnemonic words to generate the master key of the digital money wallet, and sending the seed and the master key to the protection password module for encryption, and storing the encrypted seed and the master key;
the protection password module is connected with the main key module and used for generating and storing a protection password based on the main key when the main key is imported, randomly generated or generated based on mnemonics, generating and storing a protection password according to the seed when the main key is generated based on the seed, and encrypting the seed and the main key according to the protection password.
2. The patch card with blockchain digital currency wallet function of claim 1, wherein: when the master key module is used for importing a master key of a digital currency wallet, the master key module comprises:
the leading-in unit is connected with the protection password module and used for leading in the main secret key and sending the main secret key to the protection password module;
and the storage unit is connected with the protection password module and used for storing the main secret key encrypted by the protection password module.
3. The patch card with blockchain digital currency wallet function of claim 1, wherein: the master key module is for randomly generating a master key for a digital currency wallet, the master key module comprising:
the master key generation unit is connected with the protection password module and used for generating the master key and sending the master key to the protection password module;
and the storage unit is connected with the protection password module and used for storing the main key after the protection password module is encrypted.
4. The patch card with a function of a block chain digital money wallet according to claim 2 or 3, wherein: the film sticking card with the function of the block chain digital currency wallet further comprises a mnemonic word generation module, wherein the mnemonic word generation module is connected with the main key module and is used for generating and exporting mnemonic words corresponding to the main key according to the main key.
5. The patch card with blockchain digital currency wallet function of claim 4, wherein: the film card with the function of the block chain digital currency wallet further comprises a recovery module, wherein the recovery module is connected with the protection password module and used for inputting the mnemonic words, generating a main key based on the mnemonic words and sending the main key to the protection password module.
6. The patch card with blockchain digital currency wallet function of claim 1, wherein: when the master key module is configured to randomly generate a seed and generate a master key for a digital money wallet based on the seed, the master key module includes:
the seed generating unit is connected with the protection password module and used for generating the seed and sending the seed to the protection password module;
the master key generation unit is connected with the seed generation unit and the protection password module and used for generating the master key based on the seed and sending the master key to the protection password module;
and the storage unit is connected with the protection password module and used for storing the seed and the master key encrypted by the protection password module.
7. The patch card with blockchain digital currency wallet function of claim 6, wherein: the film sticking card with the function of the block chain digital currency wallet further comprises a derivation module, wherein the derivation module is connected with the main key module and used for deriving at least one first-level sub-account based on the main key and generating a private key and a public key of the first-level sub-account, deriving at least one next-level sub-account based on the private key of the previous-level sub-account and generating the private key and the public key of the next-level sub-account.
8. The patch card with blockchain digital currency wallet function of claim 7, wherein: the sticker card with a function of a blockchain digital currency wallet further comprises:
the security module comprises a verification unit and a signature unit, wherein the verification unit is used for storing a target PIN code, popping up a PIN code input box through the mobile terminal when request information is received, and comparing and verifying the input PIN code and the target PIN code; the request information comprises transaction request information; the signature unit is connected with the derivation module and the verification unit and is used for signing according to a private key matched with a public key in the transfer bill when the transfer bill is received and the PIN code comparison verification is passed;
the calling module is connected with the deriving module and the verification unit and used for calling a public key of at least one sub-account when transaction request information and PIN code comparison verification passing information are received; the transaction request information includes transfer request information or receipt request information.
9. The patch card with blockchain digital currency wallet function of claim 6, wherein: the film sticking card with the function of the block chain digital currency wallet further comprises a mnemonic word generation module, wherein the mnemonic word generation module is connected with the main secret key generation module and is used for generating and exporting mnemonic words corresponding to the seeds according to the seeds.
10. The patch card with blockchain digital currency wallet function of claim 6, wherein: the film card with the function of the block chain digital currency wallet further comprises a recovery module, wherein the recovery module is connected with the protection password module and used for inputting mnemonics, generating a seed based on the mnemonics and generating a main password based on the seed and sending the main password to the protection password module.
11. The patch card with blockchain digital currency wallet function of claim 1, wherein: the sticker card with a function of a blockchain digital currency wallet further comprises:
the communication protocol module is used for carrying out information interaction with an equipment structure outside the film-attached card with the function of the block chain digital currency wallet;
and the instruction analysis module is connected with the communication protocol module and the master key module and is used for analyzing and distributing the request information which is received by the communication protocol module and is from the outside of the film-attached card with the function of the block chain digital currency wallet to the corresponding module.
12. The patch card with blockchain digital currency wallet of claim 11, wherein: the sticker card with a function of a blockchain digital currency wallet further comprises:
the film-pasted card main body with the function of the block chain digital currency wallet comprises a first surface and a second surface which are opposite;
and the connecting contacts are positioned on the first surface and the second surface of the film-attached card main body with the function of the block chain digital currency wallet, are connected with the communication protocol module, and are connected with the connecting contacts positioned on the first surface of the film-attached card main body with the function of the block chain digital currency wallet through the inner part of the film-attached card main body with the function of the block chain digital currency wallet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910823405.8A CN110633778A (en) | 2019-09-02 | 2019-09-02 | Pad pasting card with block chain digital currency wallet function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910823405.8A CN110633778A (en) | 2019-09-02 | 2019-09-02 | Pad pasting card with block chain digital currency wallet function |
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| CN110633778A true CN110633778A (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910823405.8A Pending CN110633778A (en) | 2019-09-02 | 2019-09-02 | Pad pasting card with block chain digital currency wallet function |
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| Country | Link |
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| CN (1) | CN110633778A (en) |
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