CN111222929A - Electronic invoice application method and device supporting dynamic file permission - Google Patents
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Abstract
The invention discloses an electronic invoice application method and device supporting file dynamic permission. The method comprises the following steps: extracting a file identifier, a user identifier and an access authority identifier according to a received electronic invoice data file access request; determining a user type corresponding to the user identifier and a corresponding file operation authority list; when the access authority identification is included in the file operation authority list, acquiring corresponding decryption data according to the file identification; and decrypting the electronic invoice data file according to the decrypted data to obtain the electronic invoice data corresponding to the user identification and the access authority identification. According to the method, the operation authority aiming at the electronic invoice is embedded into the data file of the electronic invoice, and the access request aiming at the invoice data file is controlled in the using process of the electronic invoice, so that the consistency and reliable storage of the electronic invoice data file are ensured.
Description
Technical Field
The invention relates to the technical field of electronic invoices, in particular to an electronic invoice application method and device supporting file dynamic permission.
Background
Electronic invoices have been currently applied to various fields in a large scale, and at the same time, some problems have been raised. The problems are mainly caused by the electronic file attributes of the electronic invoice, for example, the face information of the electronic invoice can be completely copied, so that the consistency of invoice data is difficult to guarantee, and the reliable storage of the electronic invoice is difficult.
Currently, electronic invoices are generated into invoice layout files by an electronic invoice service platform. After receiving the invoice layout file, the user can conveniently read the file, but can modify the file at will, and meanwhile, the use and state change of the invoice are not monitored by the issuing platform, so that a riding machine is provided for the counterfeit and the abuse of the invoice.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an electronic invoice application device and method supporting file dynamic authority, so as to solve the problems that the consistency of the current electronic invoice is poor and the electronic invoice is difficult to be reliably stored in the circulation and use processes.
In a first aspect, the invention provides an electronic invoice application method supporting file dynamic rights, which comprises the following steps:
extracting a file identifier, a user identifier and an access authority identifier according to a received electronic invoice data file access request;
determining a user type corresponding to the user identifier and a corresponding file operation authority list;
when the access authority identification is included in the file operation authority list, acquiring corresponding decryption data according to the file identification;
and decrypting the electronic invoice data file according to the decrypted data to obtain the electronic invoice data corresponding to the user identification and the access authority identification.
Further, the electronic invoice application method supporting the dynamic file authority further includes:
collecting user identification/user type and file operation authority, and determining the corresponding relation of the user identification/user type and the file operation authority;
and storing the correspondence in a database.
Further, the electronic invoice application method supporting the dynamic file authority further includes:
respectively generating at least one electronic invoice encrypted data and decrypted data corresponding to the file operation authority corresponding to the user identifier/user type according to the acquired user identifier/user type;
encrypting the electronic invoice data file according to the at least one electronic invoice encrypted data respectively, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
Further, the electronic invoice application method supporting the dynamic file authority further includes:
according to a received user modification permission request, acquiring a user identifier/user type and an operation permission, and generating electronic invoice encrypted data and decrypted data corresponding to the user identifier/user type and the operation permission combination;
encrypting the electronic invoice data file according to the electronic invoice encrypted data, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
Furthermore, the electronic invoice application method supporting the dynamic file authority,
the status of the electronic invoice includes: the invoice is valid, the invoice is posted and reimbursed, the invoice is withheld, and the invoice is filed;
the file operation authority of the electronic invoice comprises the following steps: reading authority, authority for modifying purchaser, name, type, quantity, amount and/or tax label, failure authority, and deletion authority.
In a second aspect, the present invention provides an electronic invoice application apparatus supporting dynamic file permissions, including the following steps:
an access request acquisition unit configured to:
extracting a file identifier, a user identifier and an access authority identifier according to a received electronic invoice data file access request;
determining a user type corresponding to the user identifier and a corresponding file operation authority list;
a file decryption unit to:
when the access authority identification is included in the file operation authority list, acquiring corresponding decryption data according to the file identification;
and the file reading unit is used for decrypting the electronic invoice data file according to the decrypted data and acquiring electronic invoice data corresponding to the user identifier and the access authority identifier.
Further, the electronic invoice application device supporting the dynamic file authority further includes:
a user registration unit to:
collecting user identification/user type and file operation authority, and determining the corresponding relation of the user identification/user type and the file operation authority;
and storing the correspondence in a database.
Further, the electronic invoice application device supporting the dynamic file authority further includes:
a file publishing unit to:
respectively generating at least one electronic invoice encrypted data and decrypted data corresponding to the file operation authority corresponding to the user identifier/user type according to the acquired user identifier/user type;
encrypting the electronic invoice data file according to the at least one electronic invoice encrypted data respectively, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
Further, the electronic invoice application device supporting the dynamic file authority further includes:
a user right modification unit for:
according to a received user modification permission request, acquiring a user identifier/user type and an operation permission, and generating electronic invoice encrypted data and decrypted data corresponding to the user identifier/user type and the operation permission combination;
encrypting the electronic invoice data file according to the electronic invoice encrypted data, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
Furthermore, the electronic invoice application device supporting the dynamic file authority,
the status of the electronic invoice includes: the invoice is valid, the invoice is posted and reimbursed, the invoice is withheld, and the invoice is filed;
the file operation authority of the electronic invoice comprises the following steps: reading authority, authority for modifying purchaser, name, type, quantity, amount and/or tax label, failure authority, and deletion authority.
According to the electronic invoice application method and device supporting the dynamic file authority, the operation authority for the electronic invoice is embedded into the data file of the electronic invoice, and in the using process (such as circulation and posting) of the electronic invoice, the access request for the invoice data file is controlled, so that the dependence on an invoice application software tool is eliminated, the consistency and reliable storage of the electronic invoice data file are ensured, and the convenience of tax operation is increased.
Drawings
A more complete understanding of exemplary embodiments of the present invention may be had by reference to the following drawings in which:
FIG. 1 is a flow chart illustrating an electronic invoice application method supporting dynamic document authorization in accordance with a preferred embodiment of the present invention;
fig. 2 is a schematic diagram of the electronic invoice application device supporting the dynamic document authorization according to the preferred embodiment of the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
The electronic invoice application method and device supporting the dynamic file authority of the embodiment of the invention control and manage the use of the electronic invoice file in the Internet environment.
The electronic invoice application method supporting the file dynamic authority is applied to the aspect of controlling the electronic invoice operation authority, the operation authority is not controlled on a software level (using invoice software), the operation authority aiming at the electronic invoice is embedded into the data file of the electronic invoice, and an access request aiming at the invoice data file is controlled in the using process (such as circulation and posting) of the electronic invoice, so that the dependence on an invoice application software tool is eliminated, the consistency and the reliable storage of the electronic invoice data file are ensured, and the convenience of tax operation is increased.
As shown in fig. 1, the electronic invoice application method supporting file dynamic rights in the embodiment of the present invention includes:
step S100: extracting a file identifier, a user identifier and an access authority identifier according to a received electronic invoice data file access request;
determining a user type corresponding to the user identifier and a corresponding file operation authority list;
step S200: when the access authority identification is included in the file operation authority list, acquiring corresponding decryption data according to the file identification;
step S300: and decrypting the electronic invoice data file according to the decrypted data to obtain the electronic invoice data corresponding to the user identification and the access authority identification.
According to the electronic invoice application method supporting the dynamic file authority, the operation authority for the electronic invoice is embedded into the data file of the electronic invoice, and in the using process (such as circulation and posting) of the electronic invoice, the access request for the invoice data file is controlled, so that the dependence on an invoice application software tool is eliminated, the consistency and reliable storage of the electronic invoice data file are ensured, and the convenience of tax operation is increased. The phenomenon that the file is randomly modified in the using process is avoided, and the counterfeit and abuse behaviors of the invoice are prevented.
Further, the electronic invoice application method supporting the dynamic file authority of the embodiment further includes:
collecting user identification/user type and file operation authority, and determining the corresponding relation of the user identification/user type and the file operation authority;
and storing the correspondence in a database.
The electronic invoice application method supporting the file dynamic authority of the embodiment is used for defining the information of users and registered users.
Further, the electronic invoice application method supporting the dynamic file authority of the embodiment further includes:
respectively generating at least one electronic invoice encrypted data and decrypted data corresponding to the file operation authority corresponding to the user identifier/user type according to the acquired user identifier/user type;
encrypting the electronic invoice data file according to the at least one electronic invoice encrypted data respectively, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
The electronic invoice application method supporting the file dynamic authority of the embodiment is used for issuing the electronic invoice data file and setting different access authorities for different user types.
Further, the electronic invoice application method supporting the dynamic file authority of the embodiment further includes:
according to a received user modification permission request, acquiring a user identifier/user type and an operation permission, and generating electronic invoice encrypted data and decrypted data corresponding to the user identifier/user type and the operation permission combination;
encrypting the electronic invoice data file according to the electronic invoice encrypted data, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
The electronic invoice application method supporting the file dynamic authority of the embodiment is used for modifying the access authority of the user by the owner of the electronic invoice data file.
Further, the electronic invoice application method supporting the dynamic file authority of the embodiment,
the status of the electronic invoice includes: the invoice is valid, the invoice is posted and reimbursed, the invoice is withheld, and the invoice is filed;
the file operation authority of the electronic invoice comprises the following steps: reading authority, authority for modifying purchaser, name, type, quantity, amount and/or tax label, failure authority, and deletion authority.
As shown in fig. 2, the electronic invoice application apparatus supporting file dynamic rights in the embodiment of the present invention includes:
an access request acquisition unit 10 configured to:
extracting a file identifier, a user identifier and an access authority identifier according to a received electronic invoice data file access request;
determining a user type corresponding to the user identifier and a corresponding file operation authority list;
a file decryption unit 20 for:
when the access authority identification is included in the file operation authority list, acquiring corresponding decryption data according to the file identification;
and the file reading unit 30 is used for decrypting the electronic invoice data file according to the decrypted data and acquiring electronic invoice data corresponding to the user identifier and the access authority identifier.
Further, the electronic invoice application apparatus supporting file dynamic authority of this embodiment further includes:
a user registration unit to:
collecting user identification/user type and file operation authority, and determining the corresponding relation of the user identification/user type and the file operation authority;
and storing the correspondence in a database.
Further, the electronic invoice application apparatus supporting file dynamic authority of this embodiment further includes:
a file publishing unit to:
respectively generating at least one electronic invoice encrypted data and decrypted data corresponding to the file operation authority corresponding to the user identifier/user type according to the acquired user identifier/user type;
encrypting the electronic invoice data file according to the at least one electronic invoice encrypted data respectively, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
Further, the electronic invoice application apparatus supporting file dynamic authority of this embodiment further includes:
a user right modification unit for:
according to a received user modification permission request, acquiring a user identifier/user type and an operation permission, and generating electronic invoice encrypted data and decrypted data corresponding to the user identifier/user type and the operation permission combination;
encrypting the electronic invoice data file according to the electronic invoice encrypted data, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
Further, the electronic invoice application device supporting the dynamic file authority of the embodiment,
the status of the electronic invoice includes: the invoice is valid, the invoice is posted and reimbursed, the invoice is withheld, and the invoice is filed;
the file operation authority of the electronic invoice comprises the following steps: reading authority, authority for modifying purchaser, name, type, quantity, amount and/or tax label, failure authority, and deletion authority.
The electronic invoice application device supporting the dynamic file authority of the embodiment of the invention comprises: the device comprises a user registration unit, a file release unit and a file reading unit. And acquiring an authorization authority list for the user to access the electronic invoice data file according to the identity of the user registered. Specifically, authorization authority, which allows users with different identities to operate on the electronic invoice data file, is defined in the file reading unit.
According to the authorization authority, the user can modify the buyer, the commodity name, the type, the quantity, the amount, the tax identifier and the like of the electronic invoice data file.
The electronic invoice application device supporting the dynamic authority of the file is composed of a dynamic authority service unit, a user registration unit, a file release unit and a file reading unit.
Specifically, the operation authority that the electronic invoice data file has is configured in the file issuing unit. The owner of the electronic invoice data file can configure the use authority for the electronic invoice data file for other users (other users except the owner) according to business needs.
And establishing a user information database in the user registration unit for authenticating the user identity and distributing roles and operation authorities to the user.
In the document issuing unit, a plurality of usage rights and a plurality of authorized user types for the invoice document are assigned by the owner of the invoice document.
Specifically, the invoice file is encrypted by the owner of the invoice file, and the encryption strategy is uploaded to the dynamic authority service unit.
The invoice user requests to access the invoice file in the file reading unit, decrypts the invoice file in the file reading unit, and if the invoice file passes the decryption, corresponding access authority is obtained.
The electronic invoice application method supporting the dynamic file authority of the embodiment of the invention realizes the supervision of the invoice electronic file use authority, provides a safety check mechanism for other business units when applying the invoice, performs fusion application on other business units, increases the identification of the user identity of the electronic invoice, and strengthens the operability of a specific business process in the invoice application process.
The electronic invoice application method supporting the dynamic file authority of the embodiment of the invention obtains the authority of accessing the file in the reading system according to the identity registered by the user in the registration system. Different rights of user operation are defined in the recognition system. And modifying the file according to the authority. The file authority of the electronic invoice can be configured in a file issuing system, and the owner of the invoice file can modify the use authority of other users to the file according to the needs.
The application system is composed of a dynamic authority service system, a user registration system, a file release system, a file recognition system and an SDK toolkit. And a user information database is established in the user registration system and used for authenticating the identity of the user and distributing roles and operation authorities to the user. In the file distribution system, a file owner can assign a right to operate on the file and an operation object. And adopting a mode of encrypting the invoice file, and uploading the encryption strategy to the dynamic authority service system. The invoice user accesses the invoice file in the file reading system, decrypts the file in the reading system, and the decryption obtains the access right.
The electronic invoice application method supporting the dynamic file authority of the embodiment of the invention realizes the supervision of the invoice electronic file use authority, performs fusion application on other business systems, provides a safety check mechanism for other business systems when applying invoices, increases the identification of the user identity of the electronic invoice, and strengthens the operability of a specific business process in the invoice application process.
When decrypting and decrypting, a consumer (an invoice receiver) or an enterprise (an invoice verifying party and possibly an invoice receiver) obtains an invoice check code from plaintext information of an invoice when using an electronic invoice which is stored with a certificate, and after the invoice check code is subjected to hash once, the invoice check code is used as a password to decrypt an electronic invoice data file ciphertext and a format file ciphertext and then extract the electronic invoice data file and the format file.
And directly checking the authenticity of the electronic invoice acquired from the block chain according to the Hash value of the data file and the Hash value of the format file. Specifically, a hash operation is performed on a data file or a format file in plaintext data of the electronic invoice acquired from the block chain, the hash operation is compared with a corresponding value of the electronic invoice stored in the block chain data, and the electronic invoice can be judged to be verified if the comparison is passed;
only the invoice summary information, such as invoice codes, invoice numbers, third-party service platform codes and other contents are stored as plain texts on the electronic invoice region chain; the get address (URL) of the full ticket information is stored as ciphertext on the blockchain.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, unit, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (units), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The invention has been described above by reference to a few embodiments. However, other embodiments of the invention than the one disclosed above are equally possible within the scope of the invention, as would be apparent to a person skilled in the art from the appended patent claims.
Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a// the [ unit, component, etc ]" are to be interpreted openly as referring to at least one instance of the unit, component, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
Claims (10)
1. An electronic invoice application method supporting file dynamic permission is characterized by comprising the following steps:
extracting a file identifier, a user identifier and an access authority identifier according to a received electronic invoice data file access request;
determining a user type corresponding to the user identifier and a corresponding file operation authority list;
when the access authority identification is included in the file operation authority list, acquiring corresponding decryption data according to the file identification;
and decrypting the electronic invoice data file according to the decrypted data to obtain the electronic invoice data corresponding to the user identification and the access authority identification.
2. The method for applying the electronic invoice supporting the dynamic file authority according to claim 1, further comprising:
collecting user identification/user type and file operation authority, and determining the corresponding relation of the user identification/user type and the file operation authority;
and storing the correspondence in a database.
3. The method for applying the electronic invoice supporting the dynamic file authority according to claim 1, further comprising:
respectively generating at least one electronic invoice encrypted data and decrypted data corresponding to the file operation authority corresponding to the user identifier/user type according to the acquired user identifier/user type;
encrypting the electronic invoice data file according to the at least one electronic invoice encrypted data respectively, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
4. The method for applying the electronic invoice supporting the dynamic file authority according to claim 1, further comprising:
according to a received user modification permission request, acquiring a user identifier/user type and an operation permission, and generating electronic invoice encrypted data and decrypted data corresponding to the user identifier/user type and the operation permission combination;
encrypting the electronic invoice data file according to the electronic invoice encrypted data, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
5. The electronic invoice application method supporting document dynamic rights according to any one of claims 1 to 4,
the status of the electronic invoice includes: the invoice is valid, the invoice is posted and reimbursed, the invoice is withheld, and the invoice is filed;
the file operation authority of the electronic invoice comprises the following steps: reading authority, authority for modifying purchaser, name, type, quantity, amount and/or tax label, failure authority, and deletion authority.
6. An electronic invoice application device supporting dynamic file authority, comprising:
an access request acquisition unit configured to:
extracting a file identifier, a user identifier and an access authority identifier according to a received electronic invoice data file access request;
determining a user type corresponding to the user identifier and a corresponding file operation authority list;
a file decryption unit to:
when the access authority identification is included in the file operation authority list, acquiring corresponding decryption data according to the file identification;
and the file reading unit is used for decrypting the electronic invoice data file according to the decrypted data and acquiring electronic invoice data corresponding to the user identifier and the access authority identifier.
7. The electronic invoice application apparatus supporting document dynamic authority of claim 6, further comprising:
a user registration unit to:
collecting user identification/user type and file operation authority, and determining the corresponding relation of the user identification/user type and the file operation authority;
and storing the correspondence in a database.
8. The electronic invoice application apparatus supporting document dynamic authority of claim 6, further comprising:
a file publishing unit to:
respectively generating at least one electronic invoice encrypted data and decrypted data corresponding to the file operation authority corresponding to the user identifier/user type according to the acquired user identifier/user type;
encrypting the electronic invoice data file according to the at least one electronic invoice encrypted data respectively, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
9. The electronic invoice application apparatus supporting document dynamic authority of claim 6, further comprising:
a user right modification unit for:
according to a received user modification permission request, acquiring a user identifier/user type and an operation permission, and generating electronic invoice encrypted data and decrypted data corresponding to the user identifier/user type and the operation permission combination;
encrypting the electronic invoice data file according to the electronic invoice encrypted data, and issuing the encrypted electronic invoice data file;
the decryption data is used for decryption in the subsequent process of reading the electronic invoice data file.
10. The electronic invoice application apparatus supporting dynamic document rights according to any one of claims 6 to 9,
the status of the electronic invoice includes: the invoice is valid, the invoice is posted and reimbursed, the invoice is withheld, and the invoice is filed;
the file operation authority of the electronic invoice comprises the following steps: reading authority, authority for modifying purchaser, name, type, quantity, amount and/or tax label, failure authority, and deletion authority.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112332989A (en) * | 2020-11-03 | 2021-02-05 | 清华大学 | Method and device for encrypting and decrypting electronic bill based on related party |
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| CN109889343A (en) * | 2018-12-29 | 2019-06-14 | 航天信息股份有限公司 | Electronic invoice circulation control method and device |
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| CN112332989A (en) * | 2020-11-03 | 2021-02-05 | 清华大学 | Method and device for encrypting and decrypting electronic bill based on related party |
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