CN111371548A - Method for encrypting and decrypting chained tracking member file based on identity code - Google Patents
Method for encrypting and decrypting chained tracking member file based on identity code Download PDFInfo
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- CN111371548A CN111371548A CN202010141273.3A CN202010141273A CN111371548A CN 111371548 A CN111371548 A CN 111371548A CN 202010141273 A CN202010141273 A CN 202010141273A CN 111371548 A CN111371548 A CN 111371548A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005516 engineering process Methods 0.000 claims abstract description 20
- 238000013475 authorization Methods 0.000 claims abstract description 16
- 230000003993 interaction Effects 0.000 claims abstract description 5
- 230000004048 modification Effects 0.000 claims description 13
- 238000012986 modification Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 8
- 238000012217 deletion Methods 0.000 claims description 3
- 230000037430 deletion Effects 0.000 claims description 3
- 238000007726 management method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 238000013468 resource allocation Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0407—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the identity of one or more communicating identities is hidden
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
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- Storage Device Security (AREA)
Abstract
The invention discloses a method for encrypting and decrypting chain type tracing member archives based on identity codes, which belongs to the technical field of encrypting and decrypting chain type tracing member archives based on identity codes, wherein a data digital identity archive is established, a group of product digital identity codes with a certain bit length are generated by utilizing the existing digital identity coding technology, an authorization center generates an uploading data signature scheme of attribute encryption according to an attribute encryption scheme based on a ciphertext strategy, and generates and distributes an attribute private key for a data uploader according to the attribute encryption scheme based on the ciphertext strategy, when an accessor reads the archive, whether the accessor receives an authorization notice given by the authorization center to a member unit and determines whether the accessor simultaneously inputs the digital identity codes and the attribute private key to ensure that a database of the member unit is opened for data retrieval, in addition, a chain type storage technology is adopted, the interaction of the keys is reduced, the storage and management of a large number of keys are avoided, and the access security of the information is improved.
Description
Technical Field
The invention relates to the technical field of chain type member file tracking based on identity code encryption and decryption, in particular to a method for chain type member file tracking based on identity code encryption and decryption.
Background
Information sharing refers to communication and sharing of information and information products among information systems of different levels and different departments, namely, sharing the information, which is a resource with more obvious importance in the internet era, with other people together so as to achieve resource allocation more reasonably and save social cost, along with sharing of network data, security access control on user data is very important, especially a network file directly related to personal privacy of people, and after data uploading is carried out by a data uploader, absolute privacy of the network information of the user needs to be provided, so that the file uploaded to the network also has the characteristics that: (1) in order to avoid the data owner to change the archive data, the data should be uploaded by an authorized unit; (2) the user is not allowed to access the profile information of other people on the name of the user; (3) the data owner has no right to change and upload data; (4) the owner of data has absolute control right to data access, therefore, a method for encrypting and decrypting chain tracking member files based on identity codes is provided.
Disclosure of Invention
The present invention is directed to a method for encrypting and decrypting a chain tracking member file based on identity codes, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a method for encrypting and decrypting a chain tracking member file based on identity codes comprises the following specific steps:
a: establishing a data digital identity file, generating a group of product digital identity codes with a certain bit length by using the existing digital identity coding technology, and storing the digital identity codes in a computer database, namely, digital identity codes are required to be carried out on data packets to be uploaded so as to achieve that one data packet only has one identity code and achieve uniqueness;
b: the authorization center generates an uploaded data signature scheme of attribute encryption according to an attribute encryption scheme based on a ciphertext strategy, and utilizes the existing network and communication technology to establish a communication platform which is connected with a computer database, namely the authorization center carries out symmetric encryption on an uploaded information data packet to ensure that archive information is stored on the computer database in a ciphertext mode, and utilizes the attribute encryption technology to carry out access control on the data packet, adopts signatures to track units of uploaded data, adopts a chain storage technology to reduce interaction of keys and avoids storage and management of a large number of keys;
c: the data uploading user registers in the authorization center, the authorization center generates and distributes a unique ID for the data uploading user through an attribute encryption scheme, namely the authorization center can realize the distribution of the unique ID to the data uploading user, and the independence of information is ensured;
d: the method comprises the steps that a member unit registers in an authorization center, the authorization center generates and distributes a unique ID for the member unit through an attribute encryption scheme, namely the authorization center can realize the distribution of the unique ID to the member unit, the ID independence of information storage is ensured, meanwhile, technical support is provided for later data access conveniently, the information can be accessed only through the member unit, and the access safety of data information is ensured;
e: the data uploading person realizes data uploading on a member unit according to a data uploading protocol, namely, the network uploading of green data information is realized through a network uploading protocol;
f: the member unit compresses the data packet uploaded by the data uploading user according to the attribute and realizes information archiving, namely, the member unit performs classified storage on the archive according to the attribute of the data packet;
g: the member unit encrypts and seals the filed file according to the digital identity code, and the authorization center generates and distributes an attribute private key for a data uploader according to an attribute encryption scheme based on a ciphertext strategy, namely the authorization center encrypts a data packet with a unique ID and then generates a unique attribute private key, so that the access and the calling of the data packet can be realized at the later stage;
h: whether an accessor receives an authorization notice given by an authorization center to a member unit or not when reading a file, if the accessor receives the authorization notice given by the authorization center, the accessor is determined to carry out data access in the member unit, and if the accessor does not receive the authorization notice given by the authorization center, the member unit can automatically lock the system and does not allow the data to be transferred;
i: after an accessor of an accessor receives an authorization notice given by an authorization center, whether the accessor inputs a digital identity code and an attribute private key at the same time is determined to ensure that a database of a member unit is opened to call data, if the accessor can correctly input the digital identity code and the attribute private key at the same time, the authorization center determines that the accessor is a data uploading person, the member unit can reversely decrypt a data packet and can complete data access, and if the accessor cannot correctly input the digital identity code and the attribute private key at the same time, the member unit can automatically lock a system and does not allow the data calling operation;
j: when the visitor can correctly and simultaneously input the digital identity code and the attribute private key, the visitor can read and download data, and the like, and besides, the visitor needs to realize the modification and error modification of the stored data through a data modification protocol, realize the deletion and logout of the stored data through a data logout protocol, and realize the addition and diversified expansion of the stored data through a data expansion protocol.
Preferably, the data uploading protocol in step E is used for managing and controlling the uploading of the data owner information by the authorization unit.
Preferably, the data modification protocol in step J is a network protocol that needs to be used when the data uploader finds that there is an information error in its network profile and logs in to a member unit to obtain access permission.
Preferably, the data logout protocol in step J is a network protocol for performing logout and revocation on the network data uploaded by the data uploader.
Preferably, the data extension protocol in step J can prompt the data uploader to increase the type of data uploaded to the member unit for sharing, so that the extensibility of the scheme can be enhanced.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention combines the information encryption technology based on the attribute, utilizes the chain storage technology, aims at the characteristics of personal network files, realizes the safe sharing in the member unit, forms a uniform and safe network file management system through a network protocol, and ensures that the file information is stored in the computer storage library of the member unit in a ciphertext mode by symmetrically encrypting the uploaded information, namely realizing the privacy of data;
2. the invention sets two progressive access barriers during later data packet access to ensure the identity security and uniqueness of an accessor, generates an attribute-encrypted uploading data signature scheme based on the attribute encryption scheme of a ciphertext strategy, and utilizes the existing network and communication technology, so that when members of a member unit upload information, the information is signed by using the own attribute private key, other users cannot verify the signature information by using a group public key, the tracking of identity codes is convenient to realize, and the use security of data information is improved.
Drawings
FIG. 1 is a schematic view of the overall working process of the present invention.
Detailed Description
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.
Referring to fig. 1, the present invention provides a technical solution: a method for encrypting and decrypting a chain tracking member file based on identity codes comprises the following specific steps:
a: establishing a data digital identity file, generating a group of product digital identity codes with a certain bit length by using the existing digital identity coding technology, and storing the digital identity codes in a computer database, namely, digital identity codes are required to be carried out on data packets to be uploaded so as to achieve that one data packet only has one identity code and achieve uniqueness;
b: the authorization center generates an uploaded data signature scheme of attribute encryption according to an attribute encryption scheme based on a ciphertext strategy, and utilizes the existing network and communication technology to establish a communication platform which is connected with a computer database, namely the authorization center carries out symmetric encryption on an uploaded information data packet to ensure that archive information is stored on the computer database in a ciphertext mode, and utilizes the attribute encryption technology to carry out access control on the data packet, adopts signatures to track units of uploaded data, adopts a chain storage technology to reduce interaction of keys and avoids storage and management of a large number of keys;
c: the data uploading user registers in the authorization center, the authorization center generates and distributes a unique ID for the data uploading user through an attribute encryption scheme, namely the authorization center can realize the distribution of the unique ID to the data uploading user, and the independence of information is ensured;
d: the method comprises the steps that a member unit registers in an authorization center, the authorization center generates and distributes a unique ID for the member unit through an attribute encryption scheme, namely the authorization center can realize the distribution of the unique ID to the member unit, the ID independence of information storage is ensured, meanwhile, technical support is provided for later data access conveniently, the information can be accessed only through the member unit, and the access safety of data information is ensured;
e: the data uploading person realizes data uploading on a member unit according to a data uploading protocol, namely, the network uploading of green data information is realized through a network uploading protocol;
f: the member unit compresses the data packet uploaded by the data uploading user according to the attribute and realizes information archiving, namely, the member unit performs classified storage on the archive according to the attribute of the data packet;
g: the member unit encrypts and seals the filed file according to the digital identity code, and the authorization center generates and distributes an attribute private key for a data uploader according to an attribute encryption scheme based on a ciphertext strategy, namely the authorization center encrypts a data packet with a unique ID and then generates a unique attribute private key, so that the access and the calling of the data packet can be realized at the later stage;
h: whether an accessor receives an authorization notice given by an authorization center to a member unit or not when reading a file, if the accessor receives the authorization notice given by the authorization center, the accessor is determined to carry out data access in the member unit, and if the accessor does not receive the authorization notice given by the authorization center, the member unit can automatically lock the system and does not allow the data to be transferred;
i: after an accessor of an accessor receives an authorization notice given by an authorization center, whether the accessor inputs a digital identity code and an attribute private key at the same time is determined to ensure that a database of a member unit is opened to call data, if the accessor can correctly input the digital identity code and the attribute private key at the same time, the authorization center determines that the accessor is a data uploading person, the member unit can reversely decrypt a data packet and can complete data access, and if the accessor cannot correctly input the digital identity code and the attribute private key at the same time, the member unit can automatically lock a system and does not allow the data calling operation;
j: when the visitor can correctly and simultaneously input the digital identity code and the attribute private key, the visitor can read and download data, and the like, and besides, the visitor needs to realize the modification and error modification of the stored data through a data modification protocol, realize the deletion and logout of the stored data through a data logout protocol, and realize the addition and diversified expansion of the stored data through a data expansion protocol.
E, the data uploading protocol in the step E is used for managing and controlling the uploading of the data owner information by the authorization unit, and the network uploading of the green data information is realized through the network uploading protocol, so that the safety of the uploaded information is ensured;
the data modification protocol in the step J is a network protocol which is needed to be used after a data uploader finds that the information in the network file of the uploader is wrong and logs in a member unit to obtain access permission;
the data logout protocol in the step J is used for performing logout cancellation on the network data uploaded by the data uploader;
the data expansion protocol in the step J can prompt the data uploader to increase the types of the data uploaded to the member units for sharing, and the expandability of the scheme can be enhanced.
The invention combines the information encryption technology based on the attribute, utilizes the chain storage technology, aims at the characteristics of personal network files, realizes the safe sharing in the member unit, forms a uniform and safe network file management system through a network protocol, ensures that the file information is stored in the computer storage library of the member unit in a ciphertext mode by symmetrically encrypting the uploaded information, namely realizes the privacy of data, and reduces the interaction of keys by adopting the chain storage technology, thereby avoiding the storage and management of a large number of keys.
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 (5)
1. A method for encrypting and decrypting a chain tracking member file based on identity codes is characterized by comprising the following steps: the method comprises the following specific steps:
a: establishing a data digital identity file, generating a group of product digital identity codes with a certain bit length by using the existing digital identity coding technology, and storing the digital identity codes in a computer database, namely, digital identity codes are required to be carried out on data packets to be uploaded so as to achieve that one data packet only has one identity code and achieve uniqueness;
b: the authorization center generates an uploaded data signature scheme of attribute encryption according to an attribute encryption scheme based on a ciphertext strategy, and utilizes the existing network and communication technology to establish a communication platform which is connected with a computer database, namely the authorization center carries out symmetric encryption on an uploaded information data packet to ensure that archive information is stored on the computer database in a ciphertext mode, and utilizes the attribute encryption technology to carry out access control on the data packet, adopts signatures to track units of uploaded data, adopts a chain storage technology to reduce interaction of keys and avoids storage and management of a large number of keys;
c: the data uploading user registers in the authorization center, the authorization center generates and distributes a unique ID for the data uploading user through an attribute encryption scheme, namely the authorization center can realize the distribution of the unique ID to the data uploading user, and the independence of information is ensured;
d: the method comprises the steps that a member unit registers in an authorization center, the authorization center generates and distributes a unique ID for the member unit through an attribute encryption scheme, namely the authorization center can realize the distribution of the unique ID to the member unit, the ID independence of information storage is ensured, meanwhile, technical support is provided for later data access conveniently, the information can be accessed only through the member unit, and the access safety of data information is ensured;
e: the data uploading person realizes data uploading on a member unit according to a data uploading protocol, namely, the network uploading of green data information is realized through a network uploading protocol;
f: the member unit compresses the data packet uploaded by the data uploading user according to the attribute and realizes information archiving, namely, the member unit performs classified storage on the archive according to the attribute of the data packet;
g: the member unit encrypts and seals the filed file according to the digital identity code, and the authorization center generates and distributes an attribute private key for a data uploader according to an attribute encryption scheme based on a ciphertext strategy, namely the authorization center encrypts a data packet with a unique ID and then generates a unique attribute private key, so that the access and the calling of the data packet can be realized at the later stage;
h: whether an accessor receives an authorization notice given by an authorization center to a member unit or not when reading a file, if the accessor receives the authorization notice given by the authorization center, the accessor is determined to carry out data access in the member unit, and if the accessor does not receive the authorization notice given by the authorization center, the member unit can automatically lock the system and does not allow the data to be transferred;
i: after an accessor of an accessor receives an authorization notice given by an authorization center, whether the accessor inputs a digital identity code and an attribute private key at the same time is determined to ensure that a database of a member unit is opened to call data, if the accessor can correctly input the digital identity code and the attribute private key at the same time, the authorization center determines that the accessor is a data uploading person, the member unit can reversely decrypt a data packet and can complete data access, and if the accessor cannot correctly input the digital identity code and the attribute private key at the same time, the member unit can automatically lock a system and does not allow the data calling operation;
j: when the visitor can correctly and simultaneously input the digital identity code and the attribute private key, the visitor can read and download data, and in addition, the visitor needs to realize the modification and error modification of the stored data through a data modification protocol, realize the deletion and logout of the stored data through a data logout protocol, and realize the addition and diversified expansion of the stored data through a data expansion protocol.
2. The method as claimed in claim 1, wherein the method for encrypting and decrypting the chain tracking member profile based on the identity code comprises: and E, the data uploading protocol in the step E is used for managing and controlling the uploading of the data owner information by the authorization unit.
3. The method as claimed in claim 1, wherein the method for encrypting and decrypting the chain tracking member profile based on the identity code comprises: the data modification protocol in the step J is a network protocol which needs to be used after the data uploader finds that the information in the network file of the uploader is wrong and logs in the member unit to obtain the access permission.
4. The method as claimed in claim 1, wherein the method for encrypting and decrypting the chain tracking member profile based on the identity code comprises: and J, the data logout protocol in the step is used for performing logout and revocation on the network data uploaded by the data uploader.
5. The method as claimed in claim 1, wherein the method for encrypting and decrypting the chain tracking member profile based on the identity code comprises: the data expansion protocol in the step J can prompt the data uploader to increase the type of the data uploaded to the member unit for sharing, and the expandability of the scheme is enhanced.
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