CN116015874A - User privacy anti-theft system based on blockchain - Google Patents
User privacy anti-theft system based on blockchain Download PDFInfo
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- CN116015874A CN116015874A CN202211686271.8A CN202211686271A CN116015874A CN 116015874 A CN116015874 A CN 116015874A CN 202211686271 A CN202211686271 A CN 202211686271A CN 116015874 A CN116015874 A CN 116015874A
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Abstract
The invention relates to the technical field of blockchain technology, in particular to a blockchain-based user privacy anti-theft system, which adopts multiple encryption such as quantum encryption and the like to improve the user privacy anti-theft capability on a blockchain; the system comprises an input module, a password and biological characteristic identification module, a digital tag module, a data length grading module, a quantum encryption module, a storage module and a communication module, wherein the input module is used for inputting data of a blockchain to be uploaded by a user, the password and biological characteristic identification module encrypts the data head, the digital tag module adds a unique digital tag at the tail of the data, the length grading module compresses or fills the data to a standard length, the quantum encryption module encrypts the data of the standard length into encrypted data of the same length, the storage module stores a secret key and sends the encrypted data to the communication module, the communication module uploads the encrypted data to a node of the blockchain, the communication module downloads the encrypted data to the storage module, and the storage module decrypts the data by combining the secret key.
Description
Technical Field
The invention relates to the technical field of blockchain technology, in particular to a user privacy anti-theft system based on a blockchain.
Background
In the prior art, in order to improve the security of data communication, a quantum encryption technology is proposed to encrypt data, a receiving party receives a data length and a quantum key, and the receiving party receives the encrypted data through a server and then breaks the data by combining the data length and the quantum key, for example, a data security transmission method and a system based on quantum encryption are proposed by application number CN 202210826649.3.
The blockchain is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism, an encryption algorithm and the like, any operation performed by a user on any node of the blockchain can generate the same operation record on all nodes of the blockchain, the record is non-tamperable, based on the characteristics of the blockchain, information stored by the user on the nodes of the blockchain can be checked by a plurality of users, and if a server serving as the nodes of the blockchain is stolen or destroyed, the privacy information of the user is revealed, so that the privacy stored on the blockchain of the user needs encryption to be prevented from being stolen, the traditional encryption method comprises password encryption, fingerprint and the like, but the traditional encryption mode is easy to be broken by the special algorithm, and the privacy of the user is stolen; therefore, the multi-encryption technology such as quantum encryption is combined to provide a user privacy anti-theft system based on the blockchain, so that the user privacy is prevented from being stolen.
Disclosure of Invention
In order to solve the technical problems, the invention provides a blockchain-based user privacy anti-theft system which adopts multiple encryption such as quantum encryption and the like to improve the user privacy anti-theft capability on a blockchain and has high practicability.
The invention discloses a user privacy anti-theft system based on a blockchain, which comprises an input module, a password and biological characteristic identification module, a digital tag module, a data length grading module, a quantum encryption module, a storage module and a communication module, wherein the input module is used for inputting data of the blockchain to be uploaded by a user, the password and biological characteristic identification module encrypts the head of the data, the digital tag module adds a unique digital tag at the tail of the data, the length grading module compresses or fills the data to the standard length, the quantum encryption module encrypts the data of the standard length into encrypted data of the same length, the storage module stores secret keys and sends the encrypted data to the communication module, the communication module uploads the encrypted data to a node of the blockchain, the communication module downloads the encrypted data to the storage module, and the storage module decrypts the data by combining the secret keys; through multiple encryption such as password and biological encryption, add digital label, carry out hierarchical, quantum encryption with data through compression or the mode of filling, even the encrypted data of user is stolen, also can not be cracked, make user's privacy information can not be stolen, improve the user privacy ability of preventing stealing on the blockchain, the practicality is high.
Preferably, the password and biological characteristic recognition module comprises a password module and a biological characteristic module, the biological characteristic module comprises one or more of a fingerprint module, a voiceprint module and a face recognition module, the password and biological characteristic recognition module adds the encrypted information to the data head, encrypts and produces a secret key A, and the secret key A is sent to the storage module; the data is encrypted in one stage through the setting, and the data is signed at the same time.
Preferably, the digital label module operates a digital label function of block chain consensus to generate a unique digital label and adds the unique digital label at the data tail end, and simultaneously generates a secret key B which is sent to the storage module, and the secret key B is combined with the secret key A to generate a secret key B and store the secret key B; and carrying out secondary encryption on the data through the setting, and adding a blockchain tag to the data to form a blockchain consensus.
Preferably, the data length grading module sets a plurality of data length grades, fills and encrypts data with the standard length less than 0.5 times to 1 time standard, compresses and encrypts data with the standard length less than 1.5 times to 1 time standard, fills and encrypts data with the standard length more than 1.5 times to 2 times standard, simultaneously generates a secret key C, sends the secret key C to the storage module, combines the secret key C with the secret key B to generate a secret key C, and stores the secret key C; by means of the arrangement, three-level encryption is conducted on the data, the encrypted data with the same length can generate confusing and confusing effects, and the confidentiality degree of private information is improved.
Preferably, the quantum encryption module encrypts data quanta into encrypted data with the same length, and generates a quantum key D, the key D is sent to the storage module, the key D is combined with the key C to generate a key D, and the key D is stored; through the arrangement, the data is subjected to fourth-level quantum encryption, the length of the encrypted data is not changed, and the anti-theft effect of the data is improved.
Preferably, the encryption mode of the quantum encryption module can adopt one or two of an encryption method and BB84 protocol which are proposed in a data security transmission method and system based on quantum encryption and a patent application number of CN 202210826649.3; belongs to the prior art, and has good practicability.
Preferably, the communication module sends the multi-stage encrypted data ciphertext to the blockchain node, and the communication module downloads the encrypted data ciphertext from the blockchain node.
Preferably, the communication module downloads the ciphertext and sends the ciphertext to the storage module, and the storage module combines the secret key D and the ciphertext to decrypt the ciphertext into a plaintext; downloading data from the blockchain node and decrypting the data are completed through the setting.
Compared with the prior art, the invention has the beneficial effects that: through multiple encryption such as password and biological encryption, add digital label, carry out hierarchical, quantum encryption with data through compression or the mode of filling, even the encrypted data of user is stolen, also can not be cracked, make user's privacy information can not be stolen, improve the user privacy ability of preventing stealing on the blockchain, the practicality is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a password and biometric module of the present invention;
FIG. 3 is a schematic diagram of a digital label module;
FIG. 4 is a schematic diagram of a data length ranking module;
FIG. 5 is a schematic diagram of a quantum cryptography module of the present invention;
FIG. 6 is a schematic diagram of the download and decryption modes;
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. This invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1 to 6, a blockchain-based user privacy anti-theft system includes an input module, a password and biometric identification module, a digital tag module, a data length classification module, a quantum encryption module, a storage module and a communication module, wherein the input module is used for inputting data of a blockchain to be uploaded by a user, the password and biometric identification module encrypts a data head, the digital tag module adds a unique digital tag at a data tail, the length classification module compresses or fills the data to a standard length, the quantum encryption module encrypts the data to the same length of encrypted data, the storage module stores a secret key and sends the encrypted data to the communication module, the communication module uploads the encrypted data to a node of the blockchain, the communication module downloads the encrypted data to the storage module, and the storage module decrypts the data in combination with the secret key; the password and biological characteristic recognition module comprises a password module and a biological characteristic module, the biological characteristic module comprises one or more of a fingerprint module, a voiceprint module and a face recognition module, the password and biological characteristic recognition module adds encryption information to the data head, encrypts and produces a secret key A, and the secret key A is sent to the storage module; the digital label module operates a digital label function of block chain consensus to generate a unique digital label and adds the unique digital label at the data tail end, a secret key B is generated at the same time and is sent to the storage module, the secret key B is combined with the secret key A to generate a secret key B, and the secret key B is stored; the communication module sends the multi-stage encrypted data ciphertext to the block chain node, and the communication module downloads the encrypted data ciphertext from the block chain node; the communication module downloads the ciphertext and sends the ciphertext to the storage module, and the storage module combines the secret key D and the ciphertext to decrypt the ciphertext into a plaintext; the data is signed, the digital label is added to the data, the blockchain consensus is formed, the data is classified by compression or filling, quantum encryption and other multiple encryption are performed, even if the encrypted data of a user are stolen, the encrypted data cannot be cracked, so that the privacy information of the user cannot be stolen, the privacy anti-theft capability of the user on the blockchain is improved, and the communication module downloads the data from the blockchain node and sends the data to the storage module for decryption.
Example 2
As shown in fig. 1 to 5, the data length classifying module sets a plurality of data length classes, performs padding encryption on data with a standard length smaller than 0.5 times to 1 time standard, performs compression encryption on data with a standard length smaller than 1.5 times to 1 time standard, performs padding encryption on data with a standard length larger than 1.5 times to 2 times standard, and generates a key C at the same time, sends the key C to the storage module, combines the key C with the key B to generate a key C, and stores the key C; the quantum encryption module encrypts data quanta into encrypted data with the same length, and generates a quantum key D, the key D is sent to the storage module, the key D is combined with the key C to generate a key D, and the key D is stored; the encryption mode of the quantum encryption module can adopt one or two of an encryption method and BB84 protocol which are proposed in a data security transmission method and system based on quantum encryption and a patent application number of CN 202210826649.3; the encrypted data has the same length, so that the confusion effect can be generated, and the confidentiality degree of private information is improved.
As shown in fig. 1 to 6, in the system for preventing user privacy and theft based on blockchain, when in operation, a user inputs data to be uploaded to a blockchain through an input module, a password and biological characteristic recognition module adds encryption information to a data header, primary encryption is performed and a secret key a is produced, the secret key a is transmitted to a storage module, then a digital tag module runs a digital tag function which is commonly recognized by the blockchain to generate a unique digital tag and adds the unique digital tag to a data tail end, a secret key B is generated at the same time, the secret key B is transmitted to the storage module, the secret key B is combined with the secret key a to generate a secret key B, the secret key B is stored, then a data length grading module is used for setting a plurality of data length grades, data with the length smaller than 0.5 times of standard length is filled and encrypted to 1 time standard, data with the length smaller than 1.5 times of standard length is filled and encrypted to 2 times standard, the secret key C is simultaneously generated, the secret key C is transmitted to the storage module, the secret key C is combined with the secret key B to generate a secret key C, the secret key D is stored, and the secret key D can be combined with the secret key D is stored to be transmitted to the ciphertext D, and the ciphertext is stored to be combined with the data with the secret module, and D can be stored to the secret.
The main functions realized by the invention are as follows:
1. multiple different modes of encryption have strong anti-theft capability;
2. encrypting the data into data with standard length;
3. the information data is added with the digital identification, so that the data is prevented from being tampered, and the information data has consensus.
The invention relates to a user privacy anti-theft system based on a blockchain, in particular to a quantum encryption and blockchain technology of the user privacy anti-theft system based on the blockchain, which is purchased in the market, and a password and biological characteristic identification module, a storage module, a communication module and an input module are installed and operated by a person skilled in the art according to the attached use instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (8)
1. The user privacy anti-theft system based on the blockchain is characterized by comprising an input module, a password and biological characteristic identification module, a digital tag module, a data length grading module, a quantum encryption module, a storage module and a communication module, wherein the input module is used for inputting data to be uploaded to the blockchain by a user, the password and biological characteristic identification module encrypts a data head, the digital tag module adds a unique digital tag at the tail of the data, the length grading module compresses or fills the data to a standard length, the quantum encryption module encrypts the data to the same length of encrypted data, the storage module stores a secret key and sends the encrypted data to the communication module, the communication module uploads the encrypted data to a node of the blockchain, the communication module downloads the encrypted data to the storage module, and the storage module decrypts the data in combination with the secret key.
2. The blockchain-based user privacy anti-theft system of claim 1, wherein the password and biometric module comprises a password module and a biometric module, the biometric module comprising one or more of a fingerprint module, a voiceprint module, and a face recognition module, the password and biometric module adding encryption information to the data header, encrypting and producing key a, the key a being sent to the storage module.
3. The system of claim 2, wherein the digital tag module operates a blockchain-consensus digital tag function to generate a unique digital tag and adds the unique digital tag to the data tail end, and generates a key B, and the key B is sent to the storage module, and the key B is combined with the key a to generate a key B, and the key B is stored.
4. The system of claim 3, wherein the data length classification module sets a plurality of data length classes, encrypts less than 0.5 times of standard length data to 1 time of standard, encrypts less than 1.5 times of standard length data to 1 time of standard, encrypts more than 1.5 times of standard length data to 2 times of standard, and generates a key C at the same time, and transmits the key C to the storage module, and the key C is combined with the key B to generate a key C, and stores the key C.
5. The system of claim 4, wherein the quantum encryption module encrypts data quanta into encrypted data of equal length, and generates a quantum key D, the quantum key D is sent to the storage module, and the key D is combined with the key C to generate a key D, and the key D is stored.
6. The blockchain-based user privacy anti-theft system of claim 5, wherein the quantum encryption module encrypts by using one or both of a data security transmission method based on quantum encryption and an encryption method and BB84 protocol proposed in the system, and the method is applied for the encryption of patent application number CN 202210826649.3.
7. The blockchain-based user privacy anti-theft system of claim 1 or 5, wherein the communication module sends the multi-level encrypted data ciphertext to a blockchain node from which the communication module downloads the encrypted data ciphertext.
8. The blockchain-based user privacy anti-theft system of claim 1 or 7, wherein the communication module downloads ciphertext to the storage module, and the storage module decrypts the ciphertext into plaintext by combining the key D and the ciphertext.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211686271.8A CN116015874A (en) | 2022-12-27 | 2022-12-27 | User privacy anti-theft system based on blockchain |
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| CN202211686271.8A CN116015874A (en) | 2022-12-27 | 2022-12-27 | User privacy anti-theft system based on blockchain |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117194576A (en) * | 2023-10-07 | 2023-12-08 | 贵州电网有限责任公司信息中心 | Power grid customer information data integration processing method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117194576A (en) * | 2023-10-07 | 2023-12-08 | 贵州电网有限责任公司信息中心 | Power grid customer information data integration processing method and system |
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