CN113065856A - Digital currency wallet security synchronization method - Google Patents
Digital currency wallet security synchronization method Download PDFInfo
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- CN113065856A CN113065856A CN202110196970.3A CN202110196970A CN113065856A CN 113065856 A CN113065856 A CN 113065856A CN 202110196970 A CN202110196970 A CN 202110196970A CN 113065856 A CN113065856 A CN 113065856A
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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
- G06Q20/38—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
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
Abstract
The invention discloses a digital currency wallet security synchronization method, which is characterized by comprising the following processing steps: the method comprises the following steps: the digital currency system performs dynamic data authentication on the digital currency wallet terminal applying for synchronization, and the authentication process is as follows: firstly, the digital currency system sends the time stamp and the unpredictable number to the digital currency wallet terminal, and the invention has the advantages that: the technical scheme can well solve the problems of user data security at the wallet end and data interaction security between the wallet and the digital currency system when the digital currency wallets are synchronized. Based on the scheme, the user can perform digital currency wallet security synchronization through a mobile phone APP or a reception terminal anytime and anywhere. In addition, the scheme has human-computer interaction confirmation of the user during synchronous operation, so that the user can safely carry out synchronous operation by means of a mobile phone or a receiving terminal of a third party, and the method has very important significance on the real-time performance, convenience and safety of synchronous application of the digital money wallet.
Description
Technical Field
The invention relates to the field of digital currency application, in particular to a digital currency wallet security synchronization method.
Background
The digital currency wallet of the central bank supports double off-line transactions, and both sides of a transaction carrier can perform fund transactions under the condition of no networking and respectively store off-line transaction data. Because the digital currency wallet carrier is limited by the limitation of the hardware storage space, when the double off-line transaction reaches the upper limit, the transaction data synchronization with the digital currency system is needed to be carried out so as to release the off-line transaction data storage space and carry out the corresponding digital currency ownership change of the system end.
Digital currency wallet carriers are various in shapes, and the difference in using capacity among user groups is large, so that digital gap problems are easily caused when some special groups use the digital currency wallet carriers, such as: if the old people do not have the smart phone, the data synchronization can not be carried out on the digital currency wallet used by the old people in time, and then the old people can not be normally used after the offline transaction amount reaches the upper limit.
Currently, the central line of digital currency is still in the trial-advance phase and no standards or methods have yet been developed for secure synchronization of digital currency purses. In addition, the published patent "CN 108197937A a synchronization method, terminal and system for digital money wallets", the flow design of the synchronization method, terminal and system for digital money wallets is complicated, no corresponding method is proposed for how to guarantee the security problem during synchronization, and data loss or stealing may occur during synchronization.
Disclosure of Invention
Aiming at the defects of the existing application and technology, the invention provides a digital currency wallet security synchronization method. The method can well solve the problems of user data security at the wallet end when the digital currency wallets are synchronized and data interaction security between the wallets and the digital currency system. Based on the scheme, the user can perform digital currency wallet security synchronization through a mobile phone APP or a reception terminal anytime and anywhere. In addition, the scheme has human-computer interaction confirmation of the user during synchronous operation, so that the user can safely carry out synchronous operation by means of a mobile phone or a receiving terminal of a third party, and the method has very important significance on the real-time performance, convenience and safety of synchronous application of the digital money wallet.
In order to achieve the purpose, the invention provides the following technical scheme:
a digital currency wallet security synchronization method, characterized by the processing steps comprising:
the method comprises the following steps: the digital currency system performs dynamic data authentication on the digital currency wallet terminal applying for synchronization, and the authentication process is as follows:
first, the digital money system sends a time stamp and an unpredictable number to the digital money wallet terminal;
secondly, the digital currency wallet terminal returns a digital currency wallet public key certificate and dynamic data signed by using a digital currency wallet private key;
finally, the digital currency system verifies the digital currency wallet public key certificate by using the public key of the digital currency wallet issuer channel certificate, recovers the digital currency wallet public key after the verification is passed, and verifies the dynamic signature data by using the public key;
further, step two: the digital currency wallet terminal performs networking authentication on the digital currency system, and the authentication process is as follows:
firstly, the digital currency wallet terminal provides an unpredictable number to the digital currency system;
secondly, the digital currency system signs the unpredictable number provided by the digital currency wallet terminal by using the private key of the channel certificate of the digital currency wallet issuer and returns the signature data to the digital currency wallet terminal;
finally, the digital currency wallet terminal uses a preset public key of a digital currency wallet issuer channel certificate to verify the signature data returned by the digital currency system;
further, step three: the digital currency wallet terminal negotiates a session key for data encryption communication between two parties with the digital currency system, and establishes a secure connection channel, and the specific flow is as follows:
s101, a digital currency wallet terminal generates a random number as a shared master key, and public key encryption is carried out on the shared master key by using a digital wallet issuer channel certificate to obtain an encrypted ciphertext;
s102, connecting the shared master key and the encrypted ciphertext, calculating the connected data by using a digital currency wallet terminal through a Hash (Hash) algorithm to obtain summary data, and signing the summary data by using a digital currency terminal private key to obtain a signature value;
s103, the digital currency wallet terminal sends the cipher text and the signature value of the shared master key to a digital currency application server side, and the cipher text and the signature value are transmitted to a digital currency system by the digital currency application server side;
s104, the digital currency system verifies the received signature value, after the verification is passed, the cipher text of the shared master key is decrypted by using a channel certificate private key to obtain the shared master key, and a hash operation message authentication code (HMAC) is calculated to serve as a notification message of completion of authentication;
s105, after receiving the HMAC, the digital currency wallet terminal verifies the HMAC value generated by the completion of the handshake of the digital currency system, and then returns the HMAC value generated by the completion of the handshake of the digital currency wallet terminal;
s106, the digital currency wallet terminal transparently transmits a handshake completion message, namely the calculated HMAC value to the digital currency system through the digital currency application server;
s107, the digital currency wallet terminal generates a session key, the session key is only stored in the digital currency wallet terminal, cannot be derived, and needs to be regenerated when power is cut off;
s108, after verifying the handshake completion message of the digital currency wallet terminal, the digital currency system generates a session key to complete the establishment of a secure channel;
further, step four: the digital currency system cryptograph issues the user data information which can be identified by the digital currency wallet terminal and the signature value thereof; preferably, the digital money wallet terminal may recognize user data information and a signature value thereof encrypted with the session key; preferably, the digital currency system signs the identifiable user data information using a private key of a digital currency wallet issuer channel certificate; the identifiable user information includes: the digital currency wallet ownership user name, the digital currency wallet ownership card number and the digital currency wallet are registered and bound with the mobile phone number;
further, step five: the digital currency wallet terminal displays the identifiable user data information signed by the digital currency system, and preferably, the digital currency wallet terminal displays the identifiable user data information in a partial display mode so as to protect the privacy of users and ensure the information security;
further, step six: the user audits the identifiable user information displayed by the digital currency wallet terminal, if the audit is passed, the synchronization is confirmed, otherwise, the synchronization is cancelled; preferably, the method for the user to confirm synchronization or cancel synchronization includes: a hardware switch or button, a software button, or a biometric switch.
The invention has the beneficial effects that:
the technical scheme can well solve the problems of user data security at the wallet end and data interaction security between the wallet and the digital currency system when the digital currency wallets are synchronized. Based on the scheme, the user can perform digital currency wallet security synchronization through a mobile phone APP or a reception terminal anytime and anywhere. In addition, the scheme has human-computer interaction confirmation of the user during synchronous operation, so that the user can safely carry out synchronous operation by means of a mobile phone or a receiving terminal of a third party, and the method has very important significance on the real-time performance, convenience and safety of synchronous application of the digital money wallet.
Description of the 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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the digital currency wallet security synchronization of the present invention;
figure 2 is a flow diagram of digital currency wallet security synchronization in one embodiment of the present invention.
(IV) detailed description of the preferred embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
A method of secure synchronization of a digital currency wallet as shown in figures 1-2, the method comprising the steps of:
the method comprises the following steps: the digital currency system performs dynamic data authentication on the digital currency wallet terminal applying for synchronization, and the authentication process is as follows:
first, the digital money system sends a time stamp and an unpredictable number to the digital money wallet terminal;
secondly, the digital currency wallet terminal returns a digital currency wallet public key certificate and dynamic data signed by using a digital currency wallet private key;
finally, the digital currency system verifies the digital currency wallet public key certificate by using the public key of the digital currency wallet issuer channel certificate, recovers the digital currency wallet public key after the verification is passed, and verifies the dynamic signature data by using the public key;
preferably, step two: the digital currency wallet terminal performs networking authentication on the digital currency system, and the authentication process is as follows:
firstly, the digital currency wallet terminal provides an unpredictable number to the digital currency system;
secondly, the digital currency system signs the unpredictable number provided by the digital currency wallet terminal by using the private key of the channel certificate of the digital currency wallet issuer and returns the signature data to the digital currency wallet terminal;
finally, the digital currency wallet terminal uses a preset public key of a digital currency wallet issuer channel certificate to verify the signature data returned by the digital currency system;
preferably, step three: the digital currency wallet terminal negotiates a session key for data encryption communication between two parties with the digital currency system, and establishes a secure connection channel, and the specific flow is as follows:
s101, a digital currency wallet terminal generates a random number as a shared master key, and public key encryption is carried out on the shared master key by using a digital wallet issuer channel certificate to obtain an encrypted ciphertext;
s102, connecting the shared master key and the encrypted ciphertext, calculating the connected data by using a digital currency wallet terminal through a Hash (Hash) algorithm to obtain summary data, and signing the summary data by using a digital currency terminal private key to obtain a signature value;
s103, the digital currency wallet terminal sends the cipher text and the signature value of the shared master key to a digital currency application server side, and the cipher text and the signature value are transmitted to a digital currency system by the digital currency application server side;
s104, the digital currency system verifies the received signature value, after the verification is passed, the cipher text of the shared master key is decrypted by using a channel certificate private key to obtain the shared master key, and a hash operation message authentication code (HMAC) is calculated to serve as a notification message of completion of authentication;
s105, after receiving the HMAC, the digital currency wallet terminal verifies the HMAC value generated by the completion of the handshake of the digital currency system, and then returns the HMAC value generated by the completion of the handshake of the digital currency wallet terminal;
s106, the digital currency wallet terminal transparently transmits a handshake completion message, namely the calculated HMAC value to the digital currency system through the digital currency application server;
s107, the digital currency wallet terminal generates a session key, the session key is only stored in the digital currency wallet terminal, cannot be derived, and needs to be regenerated when power is cut off;
s108, after verifying the handshake completion message of the digital currency wallet terminal, the digital currency system generates a session key to complete the establishment of a secure channel;
preferably, step four: the digital currency system cryptograph issues the user data information which can be identified by the digital currency wallet terminal and the signature value thereof; preferably, the digital money wallet terminal may recognize user data information and a signature value thereof encrypted with the session key; preferably, the digital currency system signs the identifiable user data information using a private key of a digital currency wallet issuer channel certificate; the identifiable user information includes: the digital currency wallet ownership user name, the digital currency wallet ownership card number and the digital currency wallet are registered and bound with the mobile phone number;
preferably, step five: the digital currency wallet terminal displays the identifiable user data information signed by the digital currency system, and preferably, the digital currency wallet terminal displays the identifiable user data information in a partial display mode so as to protect the privacy of users and ensure the information security;
preferably, step six: the user audits the identifiable user information displayed by the digital currency wallet terminal, if the audit is passed, the synchronization is confirmed, otherwise, the synchronization is cancelled; preferably, the method for the user to confirm synchronization or cancel synchronization includes: a hardware switch or button, a software button, or a biometric switch.
The invention has reasonable design and can well solve the problems of the user data security of the wallet end when the digital currency wallets are synchronized and the data interaction security between the wallet and the digital currency system. Based on the scheme, the user can perform digital currency wallet security synchronization through a mobile phone APP or a reception terminal anytime and anywhere. In addition, the scheme has human-computer interaction confirmation of the user during synchronous operation, so that the user can safely carry out synchronous operation by means of a mobile phone or a receiving terminal of a third party, and the method has very important significance on the real-time performance, convenience and safety of synchronous application of the digital money wallet.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
It should be noted that, in the present specification, the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. indicate the orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A digital currency wallet security synchronization method, characterized by the processing steps comprising:
the method comprises the following steps: the digital currency system performs dynamic data authentication on the digital currency wallet terminal applying for synchronization, and the authentication process is as follows:
first, the digital money system sends a time stamp and an unpredictable number to the digital money wallet terminal;
secondly, the digital currency wallet terminal returns a digital currency wallet public key certificate and dynamic data signed by using a digital currency wallet private key;
and finally, the digital currency system verifies the digital currency wallet public key certificate by using the public key of the digital currency wallet issuer channel certificate, recovers the digital currency wallet public key after the verification is passed, and verifies the dynamic signature data by using the public key.
2. The digital money wallet security synchronization method of claim 1, wherein: step two: the digital currency wallet terminal performs networking authentication on the digital currency system, and the authentication process is as follows:
firstly, the digital currency wallet terminal provides an unpredictable number to the digital currency system;
secondly, the digital currency system signs the unpredictable number provided by the digital currency wallet terminal by using the private key of the channel certificate of the digital currency wallet issuer and returns the signature data to the digital currency wallet terminal;
and finally, the digital money wallet terminal verifies the signature data returned by the digital money system by using a preset public key of the digital money wallet issuer channel certificate.
3. The digital money wallet security synchronization method of claim 2, wherein: step three: the digital currency wallet terminal negotiates a session key for data encryption communication between two parties with the digital currency system, and establishes a secure connection channel, and the specific flow is as follows:
s101, a digital currency wallet terminal generates a random number as a shared master key, and public key encryption is carried out on the shared master key by using a digital wallet issuer channel certificate to obtain an encrypted ciphertext;
s102, connecting the shared master key and the encrypted ciphertext, calculating the connected data by using a digital currency wallet terminal through a Hash (Hash) algorithm to obtain summary data, and signing the summary data by using a digital currency terminal private key to obtain a signature value;
s103, the digital currency wallet terminal sends the cipher text and the signature value of the shared master key to a digital currency application server side, and the cipher text and the signature value are transmitted to a digital currency system by the digital currency application server side;
s104, the digital currency system verifies the received signature value, after the verification is passed, the cipher text of the shared master key is decrypted by using a channel certificate private key to obtain the shared master key, and a hash operation message authentication code (HMAC) is calculated to serve as a notification message of completion of authentication;
s105, after receiving the HMAC, the digital currency wallet terminal verifies the HMAC value generated by the completion of the handshake of the digital currency system, and then returns the HMAC value generated by the completion of the handshake of the digital currency wallet terminal;
s106, the digital currency wallet terminal transparently transmits a handshake completion message, namely the calculated HMAC value to the digital currency system through the digital currency application server;
s107, the digital currency wallet terminal generates a session key, the session key is only stored in the digital currency wallet terminal, cannot be derived, and needs to be regenerated when power is cut off;
and S108, after the digital currency system verifies the handshake completion message of the digital currency wallet terminal, generating a session key to complete the establishment of the secure channel.
4. A digital money wallet security synchronization method as claimed in claim 3, wherein: step four: the digital currency system cryptograph issues the user data information which can be identified by the digital currency wallet terminal and the signature value thereof; preferably, the digital money wallet terminal may recognize user data information and a signature value thereof encrypted with the session key; preferably, the digital currency system signs the identifiable user data information using a private key of a digital currency wallet issuer channel certificate; the identifiable user information includes: the digital currency wallet authority user name, the digital currency wallet authority certificate number and the digital currency wallet registered binding mobile phone number.
5. The digital money wallet security synchronization method of claim 4, wherein: step five: the digital currency wallet terminal displays the identifiable user data information signed by the digital currency system, and preferably, the digital currency wallet terminal displays the identifiable user data information in a partial display mode so as to protect the privacy of the user and ensure the information security.
6. The digital currency wallet security synchronization method of claim 5, wherein: step six: the user audits the identifiable user information displayed by the digital currency wallet terminal, if the audit is passed, the synchronization is confirmed, otherwise, the synchronization is cancelled; preferably, the method for the user to confirm synchronization or cancel synchronization includes: a hardware switch or button, a software button, or a biometric switch.
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