CN117094036A - Electronic signature method based on blockchain technology - Google Patents
Electronic signature method based on blockchain technology Download PDFInfo
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- CN117094036A CN117094036A CN202311070367.6A CN202311070367A CN117094036A CN 117094036 A CN117094036 A CN 117094036A CN 202311070367 A CN202311070367 A CN 202311070367A CN 117094036 A CN117094036 A CN 117094036A
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- 230000008569 process Effects 0.000 claims description 37
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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Abstract
The application relates to the technical field of blockchain, and discloses an electronic signature method based on a blockchain technology, which comprises the following steps: firstly, providing a platform or an application program for a user through a contract creation and management module, enabling the user to create, edit and manage an electronic contract, and ensuring the identity of each party participating in contract signing to be real and effective through a digital identity verification module; and step two, storing hash values and other metadata of the contracts onto the blockchain through a blockchain certification module, wherein hash calculation is carried out on data to be certified through a data hash unit, and certification contracts are created and managed on the blockchain through a certification contract unit. The hash value of the signed information is recorded on the blockchain through the blockchain certification module, so that the signed information is stored on the blockchain and becomes a permanent and non-tamperable record, and the integrity and the authenticity of the signed data are ensured.
Description
Technical Field
The application relates to the technical field of blockchain, in particular to an electronic signature method based on a blockchain technology.
Background
In the prior art, along with the development of technology, electronic signatures are widely favored by signing electronic documents without being limited by time and space, and are widely applied to the fields of electronic government affairs, enterprise electronic commerce, financial institution information security, logistics industry, medical and health industry informatization, army battlefield commander and the like. The electronic signature system can not only identify the identity of the signer of the electronic file, but also ensure the authenticity, the integrity and the non-repudiation of the file, however, if the electronic contract is automatically completed by the platform, the whole process of development, production, signing and management is technically unstable. And the electronic data itself may be tampered without trace, easy to lose, the originality can not be guaranteed, and the like, which brings much trouble to legal application. In the right maintenance of investors, once the court judges that one electronic contract has the conditions of irregular operation, easy tampering, easy loss, difficult identification of electronic signers and the like, the rights and interests of the investors cannot be guaranteed. Therefore, those skilled in the art propose an electronic signature method based on blockchain technology to solve the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides an electronic signature method based on a block chain technology, which solves the problems that the electronic data in the prior art can be tampered by no trace, is easy to lose, cannot guarantee the originality and the like.
In order to achieve the above purpose, the application is realized by the following technical scheme: an electronic signature method based on a blockchain technology comprises the following steps:
firstly, providing a platform or an application program for a user through a contract creation and management module, enabling the user to create, edit and manage an electronic contract, and ensuring the identity of each party participating in contract signing to be real and effective through a digital identity verification module;
step two, storing hash values and other metadata of contracts onto a blockchain through a blockchain certification module, wherein hash calculation is carried out on data to be certified through a data hash unit, certification contracts are created and managed on the blockchain through a certification contract unit, certification transactions are created and recorded onto the blockchain through a certification transaction unit, and authenticity and integrity of the certification data are verified through a certification verification unit;
step three, the validity and the integrity of the signed signature can be verified on the blockchain through signature verification, and the signed contract can be ensured not to be tampered through verifying the hash and the digital signature of the document;
and step four, providing a safe contract storage and audit function for a user through a storage and audit module, and ensuring the safety and durability of the data through distributed storage of contracts and related metadata through a blockchain.
An electronic signature system based on a blockchain technology, which is applied to the electronic signature method based on the blockchain technology as in claim 1, and comprises the following steps:
the contract creation and management module is used for providing a platform or application program for the user so that the user can create, edit and manage the electronic contract;
the digital identity verification module is used for ensuring the true and effective identities of all the parties participating in contract signing through a digital identity verification mechanism;
the digital signature module is used for supporting a digital signature technology, so that a signing party can use a digital signature to conduct approval and verification on a contract;
the block chain certification module is used for storing hash values and other metadata of contracts on a block chain by using a block chain technology;
the signing flow management module is used for providing a flexible signing flow management function;
and the storage and audit module is used for providing a safe contract storage and audit function, and contracts and related metadata are stored in a distributed mode through a blockchain so as to ensure the safety and durability of the data.
Preferably, the contract creation and management module includes:
the contract template library unit is used for quickly creating common contract types;
a contract editor unit for creating, editing and typesetting contract files;
a contract parameter setting unit for setting various parameters and options of the contract, such as contract validity period, payment terms, legal jurisdiction, etc.;
a participant management unit for helping the user to manage the participant information related to the contract;
a signing flow definition unit for helping the user to specify signing participants and signing order of each participant;
a contract version control unit for performing a contract creation and management module generally providing a contract version control function so as to track modification and update of the contract;
the contract storage and retrieval unit is used for storing and retrieving the contract;
and the notification and reminding unit is used for reminding related parties of signing, auditing or expiration processing of the contract in time.
Preferably, the digital authentication module includes:
the registration and identity verification unit is used for being responsible for registering and verifying the identity of the user in the system;
the digital identity authentication unit is used for generating digital identity authentication of the user by using an encryption algorithm;
a two-factor authentication unit for providing an additional authentication layer;
a multiple signature unit for ensuring consent and authenticity of all participants;
an anonymous verification unit for allowing the user to participate in an anonymous identity during the signing process of the contract;
and the intelligent contract verification unit is used for ensuring the identity and the authority of the participant executing the contract.
Preferably, the digital signature module includes:
the key generation unit is used for generating whether a public key and a private key are correct or not, wherein the public key is used for verifying the authenticity of the digital signature, and the private key is used for generating the digital signature;
the message digest unit is used for performing hash calculation on the message to be signed to generate a message digest;
the signature generation unit is used for generating a digital signature on the message digest by using the private key;
the signature verification unit is used for verifying the authenticity of the received digital signature, the verification process comprises decrypting the signature by using a corresponding public key, then carrying out hash calculation on a decryption result to obtain a message digest, finally comparing the digest obtained by calculation with the digest of the original message, and if the digest is consistent with the digest of the original message, proving that the signature is effective, and ensuring the data integrity.
Preferably, the blockchain village positive module includes:
the data hash unit is used for carrying out hash calculation on the data to be subjected to the certification;
certificate storing contract unit: for being responsible for creating and managing a certification contract on the blockchain;
a certificate storing and trading unit: for creating and recording the forensic transaction onto the blockchain;
and a verification unit: for verifying the authenticity and integrity of the forensic data;
the certificate storing and inquiring unit: for querying and retrieving the forensic data stored on the blockchain.
Preferably, the signing flow management module includes:
a flow definition unit for defining each link and step of the signing flow, which determines signing order, participators, required signing files, etc.;
the participant management unit is used for managing each participant in the signing process, adding, deleting and editing information of the participant, such as names, email addresses, contact ways and the like, and designating the role and authority of each participant so as to determine the specific role of each participant in the signing process;
the signing control unit is used for monitoring and controlling the signing process, tracking the signing progress of each participant, and triggering the next operation or completing the whole signing process according to preset rules and conditions. The signing control unit can control signing sequence, verify the integrity of signing files and record signing results and related metadata;
and the file management unit is used for managing files involved in the signing process.
Preferably, the storage and audit module comprises:
and a storage unit: for providing a reliable storage medium for storing data and records related to a service;
a data encryption unit: for being responsible for the encryption protection of the data stored in the storage unit;
audit record unit: for recording and storing operations and events associated with the storage and auditing module;
traceability unit: for providing traceability for stored data and operations.
Preferably, the data backup and recovery unit is included: the system is used for carrying out regular data backup and recovery and preventing data loss or damage.
Preferably, the data encryption unit includes:
key management for generating, storing, and managing keys required for encryption;
an encryption algorithm selection for selecting an appropriate encryption algorithm to perform the data encryption operation;
an encryption/decryption operation for performing data encryption and decryption operations;
data transmission encryption, which is used for encrypting data in the data transmission process;
the storage encryption is used for encrypting the data in the storage process;
key protection and access control: for protecting and controlling access to keys.
The application provides an electronic signature method based on a blockchain technology. The beneficial effects are as follows:
1. the application enables the hash value of the signed information to be recorded on the blockchain through the blockchain certification module, enables the signed information to be stored on the blockchain and become a permanent and non-tamperable record, ensures the integrity and the authenticity of the signed data, and is helpful for preventing the data from being tampered and forged in the signing process. And the participant can verify the time of signing, the participant identity, and the signing result by querying the data on the blockchain. Such transparency and verifiability improve the trustworthiness and reliability of the signing process.
2. The application can protect the safety of signing data through the digital identity verification module and the digital signature module. The data is encrypted during signing and only authorized parties can access and process the data. This enhances confidentiality and security of the signed information, reducing the risk of signed data leakage and unauthorized access.
Drawings
FIG. 1 is a general frame diagram of the present application;
FIG. 2 is a diagram of a memory cell frame in accordance with the present application;
FIG. 3 is a block diagram of a data encryption unit according to the present application;
FIG. 4 is a diagram of a contract creation and management module framework of the present application;
FIG. 5 is a diagram of a signing process management framework of the present application;
FIG. 6 is a block chain positive module frame diagram of the present application;
FIG. 7 is a block diagram of a digital authentication module according to the present application;
fig. 8 is a frame diagram of a digital signature module according to the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples:
referring to the drawings, an embodiment of the present application provides an electronic signature method based on a blockchain technique, including the following steps:
firstly, providing a platform or an application program for a user through a contract creation and management module, enabling the user to create, edit and manage an electronic contract, and ensuring the identity of each party participating in contract signing to be real and effective through a digital identity verification module;
step two, storing hash values and other metadata of contracts onto a blockchain through a blockchain certification module, wherein hash calculation is carried out on data to be certified through a data hash unit, certification contracts are created and managed on the blockchain through a certification contract unit, certification transactions are created and recorded onto the blockchain through a certification transaction unit, and authenticity and integrity of the certification data are verified through a certification verification unit;
step three, the validity and the integrity of the signed signature can be verified on the blockchain through signature verification, and the signed contract can be ensured not to be tampered through verifying the hash and the digital signature of the document;
step four, providing safe contract storage and audit functions for users through a storage and audit module, and ensuring the safety and durability of data through distributed storage of contracts and related metadata through a blockchain;
an electronic signature system based on blockchain technology, comprising:
the contract creation and management module is used for providing a platform or application program for the user, so that the user can create, edit and manage the electronic contract, and meanwhile, the user can define the terms, parameters and signing flow of the contract.
A digital identity verification module for ensuring the identity of the parties involved in the contract signing is truly valid through a digital identity verification mechanism, wherein this includes the use of digital certificates, two-factor authentication or other identity verification mechanisms.
The digital signature module is used for supporting a digital signature technology, so that a signing party can use a digital signature to conduct approval and verification on a contract; digital signatures ensure contract integrity, non-repudiation, and identity authentication.
And the blockchain certification module is used for storing hash values and other metadata of the contract onto the blockchain by utilizing a blockchain technology, so that the non-tamper property and traceability of the contract are ensured. Any party can verify and review the signing history of the contract on the blockchain.
And the signing flow management module is used for providing a flexible signing flow management function so that the participants can sign the contract according to the predefined sequence and rule. This may include multiparty signing, continuous signing, sequential signing, etc.
And the storage and audit module is used for providing a safe contract storage and audit function, and contracts and related metadata are stored in a distributed mode through a blockchain so as to ensure the safety and durability of the data.
The contract creation and management module includes:
and the contract template library unit is used for quickly creating common contract types, and a user can select a proper template from the template library and perform custom editing.
And a contract editor unit for creating, editing and typesetting the contract document, wherein the contract editor is a user interface that a user can use to create, edit and typeset the contract document. Contract editors typically provide text processing functions such as text entry, formatting, paragraph adjustment, etc., to facilitate the user in composing the contract content.
And a contract parameter setting unit for setting various parameters and options of the contract, such as contract validity period, payment terms, legal jurisdiction, etc., such as contract validity period, payment terms, legal jurisdiction, etc. The user may customize the system to the specific needs to ensure that the contract meets specific business scenarios and regulatory requirements.
A party management unit for helping a user to manage party information related to a contract, which may include parties related to the contract, such as suppliers, customers, partners, etc. The user may add, edit, and delete participants and assign each participant a corresponding right and role.
A signing flow definition unit for helping the user to specify signing participants and signing orders of each participant, and to specify signing participants and signing orders of each participant. This ensures that the contract is signed according to a predetermined flow and maintains compliance and validity of the flow.
A contract version control unit for performing a contract creation and management module generally providing a contract version control function so as to track modification and update of the contract;
and the contract storage and retrieval unit is used for storing and retrieving the contract, and a user can check the historical version of the contract and compare the change between different versions. This helps ensure accuracy and compliance of the contract.
And the notification and reminding unit is used for reminding related parties of signing, auditing or expiration processing of the contract in time, and the notification can be sent by means of e-mail, short message or system internal message and the like.
The digital authentication module comprises:
the registration and authentication unit is used for being responsible for the user to register and authenticate the identity of the user in the system, wherein the registration and authentication unit comprises the user for providing necessary personal information and setting a user name, a password and other authentication credentials.
The digital identity authentication unit is used for generating digital identity authentication of the user by using an encryption algorithm;
and a two-factor authentication unit for providing an additional authentication layer for confirming the identity of the user by combining two or more different authentication factors. These factors may include passwords, short message authentication codes, fingerprint recognition, voice recognition, and the like.
And the multiple signing unit is used for ensuring the consent and the authenticity of all the participants, and signing the multi-party participation contract, wherein each participant has a private key related to the identity of the participant. Signing of the contract requires digital signing with multiple private keys to ensure agreement and authenticity of all parties.
An anonymous verification unit for allowing the user to participate in an anonymous identity during the signing process of the contract;
and the intelligent contract verification unit is used for ensuring the identity and the authority of the party executing the contract, and the digital identity verification unit can interact with the intelligent contract and ensure the identity and the authority of the party executing the contract.
The digital signature module includes:
the key generation unit is used for generating whether a public key and a private key are correct or not, wherein the public key is used for verifying the authenticity of the digital signature, and the private key is used for generating the digital signature;
the message digest unit is used for performing hash calculation on the message to be signed to generate a message digest;
the signature generation unit is used for generating a digital signature on the message digest by using the private key;
the signature verification unit is used for verifying the authenticity of the received digital signature, the verification process comprises decrypting the signature by using a corresponding public key, then carrying out hash calculation on a decryption result to obtain a message digest, finally comparing the digest obtained by calculation with the digest of the original message, and if the digest is consistent with the digest of the original message, proving that the signature is effective, and ensuring the data integrity.
The blockchain village positive module includes:
the data hash unit is used for carrying out hash calculation on the data to be subjected to the verification and ensuring the integrity and consistency of the data. The certification module uses the hash value generated by the data hash unit as a unique identification of the data.
Certificate storing contract unit: the method is used for creating and managing a certification contract on the blockchain, and recording hash values of data and related metadata information, including certification time, certification people, certification descriptions and the like. The certification contracts are deployed on the blockchain and implement certification functions through execution of the smart contracts.
A certificate storing and trading unit: for creating and recording the forensic transaction onto the blockchain, including packaging the data hash value with metadata into one transaction and broadcasting it into the blockchain network for verification and packaging into blocks by miners.
And a verification unit: the method is used for verifying the authenticity and the integrity of the stored data, and comprises the steps of acquiring and calculating the hash value of the stored data, and comparing the hash value with the hash value stored on the blockchain to determine whether the data is tampered.
The certificate storing and inquiring unit: for querying and retrieving the forensic data stored on the blockchain.
The signing flow management module comprises:
and a process definition unit for defining each link and step of the signing process, which determines signing order, participators, required signing files, etc., wherein an administrator or designated person is allowed to create and configure the signing process to meet specific business requirements.
The participant management unit is used for managing each participant in the signing process, can add, delete and edit information of the participant, such as names, email addresses, contact ways and the like, and can specify the role and authority of each participant so as to determine the specific role of each participant in the signing process.
The signing control unit is used for monitoring and controlling the signing process, tracking the signing progress of each participant, and triggering the next operation or completing the whole signing process according to preset rules and conditions. The signing control unit can control signing sequence, verify the integrity of signing files and record signing results and related metadata;
and the file management unit is used for managing files involved in the signing process.
The storage and audit module includes:
and a storage unit: for providing a reliable storage medium for storing data and records related to a service;
a data encryption unit: for being responsible for the encryption protection of the data stored in the storage unit;
audit record unit: for recording and storing operations and events associated with the storage and auditing module;
traceability unit: for providing traceability for stored data and operations;
the system also comprises a data backup and recovery unit: the system is used for carrying out regular data backup and recovery and preventing data from being lost or damaged;
the data encryption unit includes:
key management for generating, storing, and managing keys required for encryption involves operations of generating key pairs, distributing keys, storing keys, and key rotation. Key management ensures security and use controllability of keys.
Encryption algorithm selection for selecting an appropriate encryption algorithm to perform the data encryption operation, the selection of the encryption algorithm being dependent on security requirements, performance requirements, and available encryption standards.
An encryption/decryption operation for performing data encryption and decryption operations, in which the data encryption unit converts the original data into ciphertext using a selected encryption algorithm and key. In the decryption process, the ciphertext is restored to the original data by using the corresponding key and the encryption algorithm.
The data transmission encryption is used for encrypting the data in the data transmission process, and ensures confidentiality and integrity of the data in the transmission process, and prevents the data from being tampered or stolen by unauthorized personnel.
The storage encryption is used for encrypting the data in the storage process, and can be applied to scenes such as a database, a file system, cloud storage and the like so as to ensure the security of the data on a storage medium. Common methods include full disk encryption, file-level encryption, database column-level encryption, and the like.
Key protection and access control: for protecting and controlling access to keys, and for protecting and controlling access to keys. The data encryption unit implements various techniques and policies to protect the confidentiality of the keys.
The application enables the hash value of the signing information to be recorded on the blockchain through the blockchain certification module, enables the signing information to be stored on the blockchain and become a permanent and non-tamperable record, ensures the integrity and the authenticity of the signing data, thereby being beneficial to preventing the data from being tampered and forged in the signing process, and the participant can verify the signing time, the participant identity and the signing result by inquiring the data on the blockchain. Such transparency and verifiability improve the trustworthiness and reliability of the signing process. The application can protect the safety of signing data through the digital identity verification module and the digital signature module. The data is encrypted during signing and only authorized parties can access and process the data. This enhances confidentiality and security of the signed information, reducing the risk of signed data leakage and unauthorized access.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An electronic signature method based on a blockchain technology is characterized by comprising the following steps:
firstly, providing a platform or an application program for a user through a contract creation and management module, enabling the user to create, edit and manage an electronic contract, and ensuring the identity of each party participating in contract signing to be real and effective through a digital identity verification module;
step two, storing hash values and other metadata of contracts onto a blockchain through a blockchain certification module, wherein hash calculation is carried out on data to be certified through a data hash unit, certification contracts are created and managed on the blockchain through a certification contract unit, certification transactions are created and recorded onto the blockchain through a certification transaction unit, and authenticity and integrity of the certification data are verified through a certification verification unit;
step three, the validity and the integrity of the signed signature can be verified on the blockchain through signature verification, and the signed contract can be ensured not to be tampered through verifying the hash and the digital signature of the document;
and step four, providing a safe contract storage and audit function for a user through a storage and audit module, and ensuring the safety and durability of the data through distributed storage of contracts and related metadata through a blockchain.
2. An electronic signature system based on a blockchain technology, which is applied to the electronic signature method based on the blockchain technology as in claim 1, and is characterized by comprising the following steps:
the contract creation and management module is used for providing a platform or application program for the user so that the user can create, edit and manage the electronic contract;
the digital identity verification module is used for ensuring the true and effective identities of all the parties participating in contract signing through a digital identity verification mechanism;
the digital signature module is used for supporting a digital signature technology, so that a signing party can use a digital signature to conduct approval and verification on a contract;
the block chain certification module is used for storing hash values and other metadata of contracts on a block chain by using a block chain technology;
the signing flow management module is used for providing a flexible signing flow management function;
and the storage and audit module is used for providing a safe contract storage and audit function, and contracts and related metadata are stored in a distributed mode through a blockchain so as to ensure the safety and durability of the data.
3. The blockchain technology-based electronic signature system of claim 2, wherein the contract creation and management module includes:
the contract template library unit is used for quickly creating common contract types;
a contract editor unit for creating, editing and typesetting contract files;
a contract parameter setting unit for setting various parameters and options of the contract, such as contract validity period, payment terms, legal jurisdiction, etc.;
a participant management unit for helping the user to manage the participant information related to the contract;
a signing flow definition unit for helping the user to specify signing participants and signing order of each participant;
a contract version control unit for performing a contract creation and management module generally providing a contract version control function so as to track modification and update of the contract;
the contract storage and retrieval unit is used for storing and retrieving the contract;
and the notification and reminding unit is used for reminding related parties of signing, auditing or expiration processing of the contract in time.
4. The electronic signature system based on blockchain technology as in claim 2, wherein the digital authentication module includes:
the registration and identity verification unit is used for being responsible for registering and verifying the identity of the user in the system;
the digital identity authentication unit is used for generating digital identity authentication of the user by using an encryption algorithm;
a two-factor authentication unit for providing an additional authentication layer;
a multiple signature unit for ensuring consent and authenticity of all participants;
an anonymous verification unit for allowing the user to participate in an anonymous identity during the signing process of the contract;
and the intelligent contract verification unit is used for ensuring the identity and the authority of the participant executing the contract.
5. The electronic signature system based on blockchain technology of claim 2, wherein the digital signature module includes:
the key generation unit is used for generating whether a public key and a private key are correct or not, wherein the public key is used for verifying the authenticity of the digital signature, and the private key is used for generating the digital signature;
the message digest unit is used for performing hash calculation on the message to be signed to generate a message digest;
the signature generation unit is used for generating a digital signature on the message digest by using the private key;
the signature verification unit is used for verifying the authenticity of the received digital signature, the verification process comprises decrypting the signature by using a corresponding public key, then carrying out hash calculation on a decryption result to obtain a message digest, finally comparing the digest obtained by calculation with the digest of the original message, and if the digest is consistent with the digest of the original message, proving that the signature is effective, and ensuring the data integrity.
6. The blockchain-based electronic signature system of claim 2, wherein the blockchain certification module includes:
the data hash unit is used for carrying out hash calculation on the data to be subjected to the certification;
certificate storing contract unit: for being responsible for creating and managing a certification contract on the blockchain;
a certificate storing and trading unit: for creating and recording the forensic transaction onto the blockchain;
and a verification unit: for verifying the authenticity and integrity of the forensic data;
the certificate storing and inquiring unit: for querying and retrieving the forensic data stored on the blockchain.
7. The electronic signature system based on blockchain technology of claim 2, wherein the signing process management module comprises:
a flow definition unit for defining each link and step of the signing flow, which determines signing order, participators, required signing files, etc.;
the participant management unit is used for managing each participant in the signing process, adding, deleting and editing information of the participant, such as names, email addresses, contact ways and the like, and designating the role and authority of each participant so as to determine the specific role of each participant in the signing process;
the signing control unit is used for monitoring and controlling the signing process, tracking the signing progress of each participant, and triggering the next operation or completing the whole signing process according to preset rules and conditions. The signing control unit can control signing sequence, verify the integrity of signing files and record signing results and related metadata;
and the file management unit is used for managing files involved in the signing process.
8. The blockchain technology-based electronic signature system of claim 2, wherein the storage and auditing module includes:
and a storage unit: for providing a reliable storage medium for storing data and records related to a service;
a data encryption unit: for being responsible for the encryption protection of the data stored in the storage unit;
audit record unit: for recording and storing operations and events associated with the storage and auditing module;
traceability unit: for providing traceability for stored data and operations.
9. The electronic signature system based on blockchain technology as in claim 8, further comprising a data backup and recovery unit: the system is used for carrying out regular data backup and recovery and preventing data loss or damage.
10. The electronic signature system based on blockchain technology as in claim 8, wherein the data encryption unit includes:
key management for generating, storing, and managing keys required for encryption;
an encryption algorithm selection for selecting an appropriate encryption algorithm to perform the data encryption operation;
an encryption/decryption operation for performing data encryption and decryption operations;
data transmission encryption, which is used for encrypting data in the data transmission process;
the storage encryption is used for encrypting the data in the storage process;
key protection and access control: for protecting and controlling access to keys.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311070367.6A CN117094036A (en) | 2023-08-24 | 2023-08-24 | Electronic signature method based on blockchain technology |
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| CN202311070367.6A CN117094036A (en) | 2023-08-24 | 2023-08-24 | Electronic signature method based on blockchain technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117574414A (en) * | 2024-01-16 | 2024-02-20 | 支付宝(杭州)信息技术有限公司 | Electronic contract signing processing method and device |
| CN118365288A (en) * | 2024-06-19 | 2024-07-19 | 中国科学技术大学 | Electronic signature full-flow evidence-storing auditing system and method |
-
2023
- 2023-08-24 CN CN202311070367.6A patent/CN117094036A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117574414A (en) * | 2024-01-16 | 2024-02-20 | 支付宝(杭州)信息技术有限公司 | Electronic contract signing processing method and device |
| CN118365288A (en) * | 2024-06-19 | 2024-07-19 | 中国科学技术大学 | Electronic signature full-flow evidence-storing auditing system and method |
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