67 results about "Electronic signature" patented technology

A method for packaging digital evidence for long term validation comprises forming a package of a digital document (10), an electronic signature (12) for the document (10), together with evidence (16) of the authority of the signature in the document and a time stamp (20) indicating when the document was digitally signed. All of the pieces form parts of the packaged evidence.

The utility model relates to electronic signature technical field, specifically disclose a kind of electromagnetic signature device, including signature equipment main part and signing pen, the one side of signature equipment main part is fixedly installed with connecting frame, the outer wall one side of connecting frame is fixedly installed with servo motor, the output of servo motor is fixedly connected with installation shaft, the surface of signature equipment main part is slidably installed with protective shell, the surface of installation shaft is rotatably installed with take-up drum, the surface of installation shaft is fixedly installed with hollow block, line rope can prevent signing pen from falling and losing when using, outwardly pulling signing pen can make line rope length increase, facilitate personnel to write signature, servo motor drives installation shaft rotation can be overlength line rope is reeled, avoid line rope too long or too short influence signing pen's writing experience, protective shell can cover signature equipment main part surface and protect, and cleaning cloth can wipe and clean screen when sliding.

Ensuring that electronic signatures are based on appropriate qualifications. [Solution] If at least one of the contracting parties performing a witness-type electronic signature is a qualified person with predetermined qualifications, then each signature field in the electronic contract is restricted to only those with the qualifications required for that signature field. For example, various electronic contracts can be linked to a required qualification such as "doctor" for signer 1, or a required qualification signature form can be provided in each signature field of the electronic contract with the required qualifications embedded, thereby preventing electronic signatures by persons other than those with restricted qualifications. When the qualifications of the contracting parties match the qualifications required in the electronic contract, a qualified signature is performed as an electronic signature using a qualified signature key, which is a private key created in accordance with the qualifications of the qualified person, and an electronic certificate that records the specific information of the qualifications.

We provide the system. [Solution] Means for creating digital information using communication devices, A means of authenticating the user's identity, A means for transmitting digital information, after user authentication has been completed, to identified receiving and supervisory authorities, A means for storing digital information in a cloud computing environment and for applying time stamps and electronic signatures, A means for recording the information confirmed when a receiving institution receives digital information, In electronic transactions, a means to automatically generate transaction records and store them in cloud storage as legal evidence, A system that includes this.

An information processing system includes a hash value acquisition unit for acquiring a hash value generated based on a key containing content data linked to a non-fungible token; a metadata generation unit for generating metadata for the content, the metadata including an electronic signature generated using the hash value and a predetermined secret key and a resource identifier referenced when acquiring the content data; a metadata identifier acquisition unit for acquiring a metadata identifier uniquely indicating the metadata; and a non-fungible token issuing unit for issuing a non-fungible token linked to the metadata and the content, by recording token data including the metadata identifier in a blockchain.

A management device for managing an electronic signature for electronic content is provided with: an acquisition unit for acquiring an instruction to perform a signature; a signature generation unit that generates an electronic signature; an assigning unit that assigns the electronic content to the electronic signature; an electronic certificate generation unit that generates an electronic certificate; an electronic certificate information storage unit that executes a process for storing the electronic certificate information in each of the plurality of ledger systems; an answer acquisition unit that acquires a plurality of answers to the requested electronic certificate information; a sum value calculation unit that calculates a sum value for each of the same answers by summing coefficients associated with the ledger system for each of the same answers included in the plurality of answers; a specifying unit that specifies the one answer as an answer that matches the electronic certificate information on the basis of the summation value; and an output unit that outputs one answer.

The present disclosure relates to a method and apparatus for electronic signature and, more particularly, to a method and apparatus for performing safe, post-quantum electronic signature using infinite continuity of a hash function and one-time key pairs. A method for electronic signature using a computing device according to one embodiment of the present disclosure comprises obtaining a message to be electronically signed; obtaining a plurality of public keys generated by a key generation algorithm, and based on the plurality of public keys, generating a signature verification value for the message, wherein the signature verification value includes at least one verification factor generated based on the different public keys or a value obtained by merging the different public keys.

The application discloses a method for supporting multi-terminal touch screen information collection and restoration. A data collection terminal collects touch screen data on different signing terminals. A handwriting data conversion module in a data processing layer pre-processes the touch screen data obtained from the different signing terminals, converts multi-terminal handwriting data into standard handwriting data packets in a screen coordinate system, determines key frames of the touch screen data, fills in the blank between adjacent point positions of the touch screen data by using a tweening animation algorithm to ensure that there is no broken line, calls a Bezier curve algorithm to determine the intermediate frame inserted between the two key frames, so that the handwriting is smooth, and the obtained touch screen data is converted into lines close to the natural handwriting habit of a person. A rendering layer determines the size of a handwriting point according to the coordinates of a current point position on a canvas, real-time pressure data and a predetermined thickness, renders a handwriting track, and generates an electronic signature.

This application discloses a method, apparatus, storage medium, and computer device for signing OFD documents. The method includes: responding to a signing request initiated by a business party, obtaining a signature field name and electronic seal data; retrieving, based on the signature field name, the location information of a blank placeholder object bound to the signature field name from the OFD document's index file; locating the blank placeholder object in the OFD document based on the location information; mapping a seal image extracted from the electronic seal data to the spatial region corresponding to the blank placeholder object, generating a signature appearance object conforming to the OFD specification; calculating a digital digest of the signature appearance object and the resource to be protected in the OFD document, and encapsulating the generated digest value with certificate data to generate electronic signature data; writing the electronic signature data into the signature directory structure of the OFD document, and synchronously updating the signature list index of the OFD document. This application's method achieves the pre-definition and precise location of the signature in the blank signature field of an OFD document.

This invention provides a method and system for dynamic traceability monitoring of the entire lifecycle of data assets, applicable to the field of data processing. This application collects management ledgers, ownership registration, transfer approvals, and compliance audit data in real time, extracting key node information such as filing, confirmation of rights, approval, and auditing. It standardizes and verifies the integrity of multi-source data, eliminating invalid data and ensuring the authenticity and traceability of operations through electronic signatures and timestamps. A traceability link graph is constructed through a management process association algorithm to reconstruct the process trajectory, ownership changes, and review nodes. A compliance quantitative assessment method is adopted, using a 95% threshold to determine the effectiveness of traceability, initiating early warnings and verifications when anomalies occur. Combined with a compliance management assessment model, it monitors the compliance with standards, corrects violations in real time and defines responsibilities, and optimizes monitoring model parameters based on data type and scenario, forming a closed-loop control system of collection, traceability, verification, and iteration.

This invention discloses a file security control method, device, and storage medium based on serial numbers. The method involves determining an initial serial number based on the number of target files and a parameter configuration file; generating sequential serial numbers through counting and accumulation; and generating a serial number image based on the serial number and its attribute information. Next, user information is acquired to generate seal attribute information, and a seal image is generated based on the seal attribute information and the serial number image. The original signature information is acquired, and electronic signature data is generated based on the original signature information and the seal image. Finally, the electronic signature data is pasted into a designated location on the file according to set rules. Each document has a unique electronic signature, serving as a unique identifier for the document and effectively limiting the number of copies. This unique identifier allows for tracing the document's flow and operation records, solving the problem of lack of document traceability.

The application relates to the technical field of document processing, in particular to an open format document electronic seal method, device, medium and equipment. The method comprises the following steps: a seal maker uses a seal maker post-quantum cryptography algorithm private key to perform digital signature on seal information, and generates a secure electronic seal according to a seal maker certificate of the seal maker, so that the secure electronic seal is sent to a sealer; the sealer generates seal information according to the received secure electronic seal and an open format document to be sealed; the sealer uses a sealer post-quantum cryptography algorithm private key to perform digital signature on the seal information, and generates secure electronic seal data according to a sealer certificate; and the sealer embeds the secure electronic seal data into the open format document to be sealed, so as to generate a sealed open format document. The open format document is sealed by using the post-quantum cryptography algorithm, and long-term security risks caused by the traditional algorithm which is vulnerable to quantum computing attacks such as SM2 are fundamentally eliminated.

The application discloses a method for recognizing signing intention based on handwriting features, and the signatures in the active sample library and the passive sample library are mutually exclusive; online acquisition of user's handwritten electronic signature is compared and verified with the corresponding signature in the active intention sample library, if the verification is consistent, the active intention setting is executed, if the verification is inconsistent, further comparison and verification with the signature in the passive intention sample library is performed, if the verification is consistent, the passive intention setting is executed, the pre-warning is started, if the number of inconsistent verification exceeds the predetermined number, the signing is locked. The two kinds of intention samples are consistent in static features such as writing method, but the dynamic features are different, and the handwriting verification algorithm is used for verification, which is mutually exclusive. It is difficult to be imitated, and is a kind of private and safe passive sample method. It is beneficial to protect the personal safety and property safety of the person under duress.

A data management system including a client device, a first electronic signature device, a data management device, a second electronic signature device, a data storage device, and a third electronic signature device, wherein at least one of the first electronic signature device, the second electronic signature device, and the third electronic signature: device is an electronic signature device capable of storing an encryption key in association with an authority and performing, from among processing operations using the encryption key, only the processing operation according to the authority.

The application belongs to the technical field of digital management of construction data, and discloses a construction data instant generation and whole-process collaborative management platform, which comprises a field instant digital recording module, a template collection and intelligent auxiliary input of construction data are realized through a mobile terminal, an automatic structured processing module, original unstructured data is automatically converted into structured data by using a rule engine and a multi-modal analysis technology, a consistency dynamic checking module, the compliance and logical consistency of data are checked in real time through a built-in specification knowledge base, historical data comparison and a multi-party cross-validation mechanism, a transparent handover tracking module, whole-process traceable management of data from collection to archiving is realized through version control, process visualization and electronic signature storage. The application realizes instant generation, automatic processing, dynamic checking and transparent handover of construction data, and significantly improves the efficiency, accuracy, standardization and traceability of data management.

This invention discloses an efficient method for verifying trust in electronically signed documents and file sets, relating to the field of electronic signature technology. The method includes: acquiring standard electronically signed documents and constructing a file association graph based on the electronic signature business process, generating a file set and directed file dependencies; creating a signature dictionary and storing the acquired information of the preceding dependent standard electronically signed documents in the signature dictionary; sequentially verifying each standard electronically signed document in the file set, and determining the valid documents in the file trust chain based on the verification results and storing them in a Bloom filter; constructing a Bloom tree upwards using the Bloom filters of all file sets as leaf nodes, retrieving and verifying the documents to be verified in the file set to be verified, and obtaining the file set to be verified and the verification results of the documents to be verified. This invention enables efficient storage and retrieval of file pre-verification and verification results, improving file verification efficiency.

The disclosure is directed to maintaining integrity of signatures in a PDF in a complex workflow. At workflow state transition, sequentiality of the PDF is determined and a substituting PDF from a prior revision or from a template may be used to ensure sequentiality.

This invention discloses an intelligent safety management and control method and electronic device for port equipment, relating to the field of port equipment safety management and control. It constructs a task model comprising several sequentially executed operational steps and configures multi-dimensional evidence collection constraints for each step. At the start of the operation, electronic signatures are stored and locked for safety briefing information. During the execution of operational steps, structured audit data is automatically generated based on the received on-site evidence data. This structured audit data is then verified against compliance judgment conditions. Only after successful verification is the execution restriction on the next operational step lifted; otherwise, the process is immediately blocked and a data supplementation request is triggered. This mechanism transforms the original post-event review, which relied on manual verification, into in-process intelligent interception embedded in the operational process. It ensures that only evidence data meeting compliance judgment conditions can drive the process forward, effectively preventing low-quality or non-compliant data from being accepted by default.

The present application relates to the technical field of electronic contract management, in particular to an electronic contract electronic seal inspection system, comprising a protocol package download record module, a protocol package version management module, a protocol template management module, a loan association protocol package module, a protocol seal inspection monitoring module, a seal package version management module, a protocol regeneration module, a directory maintenance module and a protocol download record module, the present application realizes the version management of the electronic contract protocol package, the automatic inspection monitoring of the seal information, the version management of the seal package and the regeneration of the protocol and other functions by establishing a four-level classification system and a protocol package with an incremental version number, and takes into account the search efficiency and the full-link traceability and troubleshooting.

An electronic signature management method, an electronic signature management system and a computer-readable storage medium are provided. The method includes the following steps: acquiring a plurality pieces of personal identity information and a plurality of corresponding digital certificates; generating a plurality of personal digital signatures according to the plurality of pieces of personal identity information and the plurality of corresponding digital certificates; and generating a composite personal digital signature according to the plurality of personal digital signatures, where the composite personal digital signature includes the plurality of pieces of personal identity information and the plurality of corresponding digital certificates. The composite personal digital signature or composite common digital signature of the present disclosure can acquire the authorizations / authentications of all the people or organizations in a fastest and most convenient manner.

This application provides a loan data processing method, apparatus, device, storage medium, and program product, which can be applied to the field of artificial intelligence technology. The method includes: displaying a loan data collection page on the terminal where the second principal account is located; acquiring loan data and biometric information; performing security authentication on the second principal account based on the loan data and biometric information; if the security authentication is successful, acquiring personal government information, asset information, and behavioral information; inputting the personal government information, asset information, and behavioral information into a pre-built risk assessment model to obtain a risk assessment result; if the risk assessment result is secure, filling in a portion of the fields of the loan approval form based on the government information, and in response to the second principal's filling operation, filling in another portion of the fields of the loan approval form; after obtaining the second principal's electronic signature on the loan approval form, storing the loan approval form, loan data, and the first principal account identifier on a blockchain.

A system and method for creating and managing treatment plan is disclosed. The system comprises one or more user devices associated with client, clinician, and administrator, a database, and a computing device in communication with database and user device via a network. The system is configured to enable the client to assess a treatment plan and to upload the assessed treatment plan comprising input data. The system is further configured to enable the counselor to review the assessed treatment plan and conduct an evaluation session with the client, generate first score data based on the input data and a second score data based on the evaluation session and the first score data, integrate the treatment plan into a master treatment plan for the client and enable the counselor to digitally sign the master treatment plan and enable the client to approve the master treatment plan using an electronic signature.

The application relates to the technical field of electronic signatures, and provides a signature position determination method, device and equipment and a storage medium. The method comprises the following steps: obtaining a target file to be signed and a signature user who needs to perform signature on the target file; obtaining a target template file corresponding to the target file according to the file type of the target file and the signature user; identifying a historical signature position in the target template file, and calculating a signature position of the signature user in the target file according to the historical signature position. The signature position determination method provided by the application realizes automatic adaptation of the signature position based on the historical signature position of the template file, so that manual operation of dragging is not needed, the signature efficiency is improved, meanwhile, through automatic adaptation of the signature position, when multiple users need to perform signature on the same file and / or the same user needs to perform multiple times of signature, the wrong signature and the missed signature can be reduced.

This invention discloses an intelligent countersigning method, system, and storage medium, belonging to the field of electronic signature technology. The method includes: receiving a countersigning request; loading organizational structure data from an enterprise HR system and querying encrypted historical countersigning configurations; generating a countersigning path recommendation list based on a graph neural network model; establishing a multi-person signing pool by department through smart contracts, where any member's signature signifies the completion of that step; pushing multi-channel signing notifications based on members' network environments; calculating the hash of the countersigning information after signing and submitting it to a consortium blockchain for notarization; and finally generating a structured report containing a notarization number. This invention optimizes recommendation accuracy through graph attention networks and utilizes smart contracts and a consortium blockchain to solve the problems of difficult personnel matching, easy process stalls, and poor data security in traditional countersigning, significantly improving the efficiency and reliability of multi-level countersigning.

The application discloses a kind of labor information processing and electronic signature cooperation method, system, equipment and storage medium. The method is by terminal step by step to gather identity information, contact information and bank card information, and the structured field is extracted by identifying and extracting certificate image;Further based on identity identification, search supplier basic information and associated information, combined with historical signing data to execute state determination;According to the determination result, the registration, change, supplement and re-signing path are automatically shunted;In the contact information change scene, the existing signing account is updated and the account mapping is kept consistent;Then complete contract number generation, template filling, signing process creation and return result processing. Through the above technical scheme, the closed-loop cooperation of information collection, process processing and signing result is realized, the processing consistency is improved, the risk of repeated processing and missed processing is reduced, and it is suitable for labor employment and supplier cooperative management scene.

This application provides an electronic signature verification method, apparatus, and electronic device, relating to the field of electronic signature technology. The method includes: receiving a verification request sent by a terminal, the verification request including an electronic document with electronic signature information and a commitment value; encrypting the commitment value according to pre-acquired scenario feature parameters to generate a challenge value, and sending the challenge value to the terminal; receiving a response value sent by the terminal, and decrypting the response value using a public key corresponding to the private key to obtain a first signature; calculating a signature result using the first signature, the challenge value, the hash value of the electronic document, and the random salt value; and determining the verification result based on the matching degree between the signature result and the electronic signature information. In this way, user private data and document information are not obtained during the verification process, protecting the privacy of user data and improving the security of sensitive data.

A method for activating a vehicle feature on demand (FoD) service by an electronic device includes requesting information related to the FoD service from an FoD server. The method further includes receiving information related to the FoD service for a vehicle from the FoD server. The method further includes verifying an electronic signature included in the received information related to the FoD service for the vehicle. The method further includes decrypting information for activating the FoD service included in the received information related to the FoD service for the vehicle. The method further includes activating the FoD service when the electronic signature is successfully verified and the information for activating the FoD service is successfully decrypted. The method further includes transmitting a result of the activated FoD service to the FoD server.