CN112214782A - Electronic document signature method, device and equipment - Google Patents
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- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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Abstract
The embodiment of the specification discloses an electronic document signature method, device and equipment. The electronic document signature scheme comprises the following steps: acquiring an electronic document to be signed; determining at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule; adding an electronic seal corresponding to the printing position at the printing position; and carrying out digital signature on the electronic document to be signed after the usage and printing are finished.
Description
Technical Field
The present disclosure relates to the field of computer technologies, and in particular, to a method, an apparatus, and a device for signing an electronic document.
Background
With the development of internet technology, electronic seal technology is gradually popularized, wherein electronic seals refer to traditional physical seals simulated by advanced digital technology, the management and use modes of the electronic seals conform to the habits and experiences of physical seals, and electronic documents stamped by the electronic seals have the same appearance, the same effectiveness and similar use modes as paper documents stamped by the physical seals.
At present, in order to realize the process of stamping a physical seal on a paper document, in the actual stamping of an electronic seal, a plurality of parts of the same electronic document are often required to be stamped, such as a designated page, a designated position and the like, and the electronic seal used in the stamping can be the same electronic seal or different electronic seals.
In addition, in the current printing schemes for electronic documents, the printing position is usually a position which is known and specified in advance, that is, the printing can be performed only for a specific position which is known in advance, for example, a stamp is stamped on a specific area in a certain page which is specified manually, such as the printing at the name of a contract party in a flyleaf or a last page in a contract.
However, the actual electronic document to be printed is often different in file content, so that it is not convenient to specify the printing position in advance, but the electronic document is specified manually during printing. Therefore, the flexibility of the existing scheme only suitable for printing on the specific position of the electronic document needs to be improved.
Based on this, a new scheme for signing electronic documents is needed.
Disclosure of Invention
In view of this, embodiments of the present disclosure provide an electronic document signature method, apparatus, and device, so as to perform fast, reliable, and safe printing on a plurality of positions of an electronic document that need to be printed, thereby implementing electronic document signature.
The embodiment of the specification adopts the following technical scheme:
an embodiment of the present specification provides an electronic document signing method, including:
acquiring an electronic document to be signed;
determining at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule;
adding an electronic seal corresponding to the printing position at the printing position;
and carrying out digital signature on the electronic document to be signed after the usage and printing are finished.
An embodiment of the present specification further provides an electronic document signing apparatus, including:
the acquisition module acquires an electronic document to be signed;
the determining module is used for determining at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule;
the seal using module is used for adding the electronic seal corresponding to the seal using position at the seal using position;
and the signature module is used for digitally signing the electronic document to be signed after the usage and printing are finished.
An embodiment of the present specification further provides an electronic device for electronic document signing, including:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
acquiring an electronic document to be signed;
determining at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule;
adding an electronic seal corresponding to the printing position at the printing position;
and carrying out digital signature on the electronic document to be signed after the usage and printing are finished.
The embodiment of the specification adopts at least one technical scheme which can achieve the following beneficial effects:
the position needing to be printed in the electronic document is automatically found out through the printing rule, the electronic seal is added at the printing position, and the electronic document after printing is finished is digitally signed, so that the signature process of the electronic document can be simplified, the labor input required by signature of the electronic document is reduced, the problems of missing cover, wrong cover and the like caused by manual seal are reduced, the signature efficiency, the reliability and the safety of the electronic document are improved, and the validity of signature of the electronic document is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present specification, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic diagram of an electronic document signing architecture according to an embodiment of the present disclosure.
Fig. 2 is a flowchart of an electronic document signing method provided in an embodiment of the present specification.
Fig. 3 is a schematic diagram illustrating a print position determination in an electronic document signing method according to an embodiment of the present specification.
Fig. 4 is a schematic diagram illustrating a result of printing for a printing position in an electronic document signing method according to an embodiment of the present specification.
Fig. 5 is a schematic structural diagram of an electronic document signing apparatus provided in an embodiment of the present specification.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present specification, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments of the present disclosure, shall fall within the scope of protection of the present application.
At present, an electronic seal can only use a seal for a pre-designated position, but in practical application, the seal is usually used according to the content of a file, so that the flexibility of the existing seal scheme for the electronic document is not high, and the seal requirement for the electronic document is difficult to adapt.
Based on the technical scheme, the inventor improves the existing scheme and provides a new technical architecture and an application mode of electronic seal signing.
FIG. 1 is a schematic diagram of a printing system for an electronic document signing scheme provided in an embodiment of the present specification.
As shown in fig. 1, when an electronic document needs to be printed, a printing system can identify the electronic document by using a preset printing rule to determine a printing position of element content in the electronic document and an electronic stamp (also called an electronic stamp) corresponding to the element content, then add the electronic stamp to the printing position, and finally perform digital signature on the whole electronic document after printing by using an electronic certificate, thereby completing signature on the electronic document.
According to the electronic document signature scheme provided in the embodiment of the specification, the stamp using position and the electronic stamp corresponding to the stamp using position can be quickly and accurately determined by using a preset stamp using rule, and then the corresponding electronic stamp is added to the stamp using position, so that the stamp using position can be automatically identified, the stamp using can be automatically completed, the stamp using process of the electronic document is simplified, the flexibility of the electronic document signature scheme can be enhanced, and the electronic stamp using process can be performed on different electronic documents according to signature application scenes; and the whole electronic document which is subjected to the electronic seal usage is digitally signed, so that the electronic seal usage and the physical usage are consistent, and the validity, reliability and safety of the electronic document signature are ensured.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
The embodiment of the specification provides an electronic document signature method.
Fig. 2 is a flowchart of an electronic document signing method according to an embodiment of the present disclosure.
As shown in fig. 2, an electronic document signing method provided by an embodiment of this specification may include:
step S202, an electronic document to be signed is obtained.
In the specific implementation, the electronic document to be signed is the electronic document to which the electronic seal needs to be added, and the signing refers to adding the electronic seal to the electronic document, so that the electronic document added with the electronic seal and a paper file covered with a physical seal have the same appearance, the same validity and a similar use mode, and the legality of the electronic document and the paper file is proved.
It should be noted that the electronic document to be signed may be an electronic file containing a plurality of pages of content; the position of the electronic document to be stamped with the electronic seal may be a fixed position known in advance or a position determined by a subsequent step.
Step S204, determining at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule.
In a specific implementation, the seal rule is a rule for stamping an electronic seal on element contents in the electronic document, wherein the element contents are contents which are indispensable in the electronic document and are used for reflecting the authenticity of the electronic document.
In specific implementation, the element content can be determined according to the actual application scene.
For example, in a trade contract type electronic document, the element contents may include: contracting parties (i.e., contracting parties), bidding, price (e.g., amount, payment method, etc.), performance factors (e.g., performance time, performance location, performance deadline, contract time, contract location, performance method, etc.), default liability (e.g., default, reimbursement, liability free, etc.), dispute resolution (e.g., resolution approaches such as negotiations, litigation, arbitration, e.g., jurisdiction to which the resolution approach applies such as arbitration, court, etc.), etc., which are all truly indicative of the contracting parties to the transaction contract in the contract.
For example, in a personal contract type electronic document, the element contents may include: the contracting parties, contract terms, salaries, default obligations, dispute resolution and the like, which are all the meanings of the actual fact of the contracting parties of the personnel contract in the contract.
For example, in an electronic bulletin document issued internally by a company, the element contents may include: the contents of the publisher, the date, the application scope, the term and the like are all true meanings of the company for the internally published bulletin.
For example, in an electronic bulletin document externally issued by a company, the element contents may include: the contents such as the publisher, the event, the date, the application scope, the term and the like are all true meanings of the announcements issued by the company.
For example, the element content may be a page of each page of the electronic document, so that the page can be prevented from being replaced by stamping an electronic stamp on the page of each page.
It should be noted that the foregoing description of the element content is an exemplary description, and the element content may be determined according to an actual scene in implementation.
By stamping the element content with the electronic seal, the determination that the element content is expressed by the common real meaning of all parties of the electronic document can be reflected, the element content is guaranteed to be real, the element content can be prevented from being tampered, and the authenticity, integrity and legality of the electronic document can be guaranteed.
In some embodiments, the preset printing rule may be a rule corresponding to a type of the electronic document.
In specific implementation, the printing rules corresponding to the content of each element in the electronic document of the type can be preset for electronic documents of different types, and the printing rules corresponding to the content of each element in the electronic document of the type can be summarized to form the printing rules corresponding to the electronic document of the type.
In a specific implementation, since part of element contents in different electronic documents are usually the same or similar element contents in an actual scene, for example, in a format contract belonging to an organization, dispute resolution is often the same element contents, and thus these same or similar element contents may not be embodied in a printing rule, which may simplify the printing rule.
It should be noted that the electronic seal (also referred to as electronic stamp) may be a separate file or an element in an electronic seal library, and the existence form of the electronic seal is not limited herein.
And S206, adding the electronic seal corresponding to the stamp using position at the stamp using position.
After the stamp using position and the electronic stamp to be added to the stamp using position are determined, the electronic stamp can be obtained, for example, an electronic stamp file is obtained, electronic stamp data is obtained from a stamp library, and the obtained electronic stamp is added to the corresponding stamp using position.
In order to comply with the daily usage habit, the color of the content such as the text and the graphics in the electronic stamp is usually red (or other specific colors), while the color of the content of the electronic document is usually black, so that the electronic stamp can be directly added to the printing position, or the electronic stamp can be added to the printing position in a transparent or translucent manner, and the manner of stamping the electronic stamp is not limited herein.
And S208, performing digital signature on the electronic document to be signed after the usage and printing are finished.
In practice, due to the characteristic that the electronic document is easily modified, whether it is intentionally or unintentionally modified, in daily management, various anti-modification measures have been taken, for example, the format of the electronic document is a non-editing format, such as pdf format, but under the editing environment of a special tool, the non-editing format can still perform editing operation, so that the electronic seal added to the electronic document still may be tampered with, and once the electronic seal is tampered with, the authority of the electronic document stamped with the electronic seal is damaged.
In specific implementation, the digital signature can be adopted for the electronic document stamped with the electronic seal, so that the integrity and the legality of the electronic document stamped with the electronic seal can be ensured through signature data, and the authority of the electronic document stamped with the electronic seal is further ensured.
In some embodiments, the CA certificate may be used to authenticate an electronic signature of an electronic document that is stamped with an electronic stamp.
In some embodiments, the entire electronic document with the electronic seal applied thereto may be first hashed and then digitally signed using an encryption algorithm.
It should be noted that the encryption algorithm may be an RSA encryption algorithm, an SM cryptographic algorithm, and the like, which is not limited herein.
In some embodiments, the signature data generated by the implemented digital signature can be independent of the electronic document with the electronic seal added, or can be attached to the electronic document as the essential content of the electronic document, so as to enhance the adaptability and flexibility of the signature scheme.
In the steps S202 to S208, the position of the electronic document that needs to be printed is automatically found out according to the preset printing rule, the corresponding electronic seal is added to the printing position, and the electronic document that is printed is digitally signed, so that the signing process of the electronic document is simplified, the labor investment required for signing the electronic document is reduced, the problems of missing and wrong stamping of the manual stamping are reduced, the signing efficiency, reliability and safety of the electronic document are improved, and the integrity, validity and authority of the signing of the electronic document are ensured.
In some embodiments, the printing system can directly receive the electronic document to be signed sent by the user.
In specific implementation, a user needing to use the seal can directly submit the electronic document to be signed to the printing system, so that the printing system is triggered to acquire the electronic document to be signed through submission operation, and the printing system is triggered to automatically complete the signature operation on the electronic document.
In some embodiments, the seal using system can receive the seal using instruction, so as to obtain the electronic document to be signed and complete the signature process according to the seal using instruction.
In a specific implementation, when a user needs to print an electronic document, a printing instruction can be sent to the printing system, and the electronic document to be signed acquired by the printing system can be specified in the printing instruction.
The printing instruction triggers the printing system to print the electronic document, so that the printing system can automatically complete the signature process of the electronic document.
The type of the electronic document to be signed can be appointed so as to match the corresponding printing rule quickly and accurately according to the appointed type.
In some embodiments, the stamp using system may further receive instruction data of the type of the electronic document to be signed when acquiring the electronic document to be signed, so that the stamp using rule may be quickly and accurately determined when acquiring the type of the electronic document to be signed according to a preset relationship between the instruction data of the type and the stamp using rule, so as to use the stamp using rule for the electronic document to be signed.
In some embodiments, the electronic seals applied to different types of electronic documents may be the same or different, for example, the applied electronic seals may be natural seals or legal seals. In addition, in the same type of electronic document, such as a sales contract, the number of element contents in the contract may be too small, which may cause different positions for printing the element contents.
In the specific implementation, the corresponding relation between the element content and the electronic seal can be reflected in the seal rule through the relation between the element content and the electronic seal needing to be stamped, so that the element content (namely the position of the element content in the electronic document) can be rapidly and accurately stamped after the element content is determined in the electronic document.
In some embodiments, the content of the elements in the electronic document may be determined by an identification process of the electronic document.
In specific implementation, when the electronic document to be signed is obtained, element content identification processing can be performed on the electronic document, so that the position of the element content in the document can be quickly and accurately determined, and the corresponding electronic seal can be determined from the seal rule according to the element content and the electronic seal.
In some embodiments, the recognition process of the element content may be performed according to a preset keyword.
As shown in fig. 3, the keywords (i.e., the keywords corresponding to the element content) included in each page of the electronic document may be identified through an identification process, for example, the keywords are included in the first to fifth pages, and then the position of each keyword in the page (for example, the coordinate position value of the keyword in the page) is obtained, so that the coordinates of the keyword in the page may be used as the printing position.
As shown in fig. 4, the seal is performed at the position where the keyword is located (i.e., the seal position), such as an electronic seal that is stamped with the character "test seal", thereby ensuring the authenticity of the keyword after the seal is performed.
In some embodiments, the obtained electronic document may be subjected to a keyword recognition process according to the impression rules, wherein the keyword corresponds to a keyword of the element content to recognize the element content in the electronic document.
For example, with respect to an electronic document obtained from a paper file, a keyword in the electronic document may be recognized by a scan Recognition process, such as using an OCR technology (Optical Character Recognition).
For example, the element content in an electronic document created by an external organization can be recognized by keyword recognition processing with respect to an electronic document provided by the external organization.
In some embodiments, the element content of the electronic document may be preset as an element component (also referred to as a keyword component), and the relation between the element component and the electronic seal to be applied by the element component may be reflected in the application rule, so that the application rule corresponding to each element component in the electronic document may be configured as the application rule corresponding to the electronic document.
Through the element assembly, the position of the element content in the electronic document can be quickly and accurately identified, so that the element content can be quickly and accurately printed.
In some embodiments, the element content can be acquired through the element component, and each element content contained in the electronic document can be accurately acquired, so that the identification accuracy of the element content is improved, and the accuracy of automatic printing is ensured.
In some embodiments, the element contents can be acquired by the element component, the position (i.e. the printing position) of the element contents in the electronic document can be quickly and accurately determined, and the electronic seal to be printed can be quickly determined according to the relationship between the element contents and the electronic seal to be stamped.
In some embodiments, the element component is used for determining the printing position and the electronic seal to be stamped, as the printing rule corresponding to the type of electronic document, so that each type of electronic document corresponds to the printing rule.
In specific implementation, the type data of the electronic document to be signed can be received, so that the electronic document can be acquired through the type data, and meanwhile, the printing rule can be determined quickly and accurately, and the electronic document can be printed through the printing rule.
For example, for the electronic document of the trade contract type, the agreement of the actual contract can be reflected into the electronic document through the element component to constitute the element content in the electronic contract document, such as the specific contracting party, the target amount (such as the price), the performance factor, etc. in the aforementioned contract elements.
In some embodiments, the electronic document to be signed may be generated by using a template, and the element content may be used as an element component in the template, that is, when the template is set, the element components corresponding to different types of templates may be preset, and the relationship between the element components and the electronic seal to be stamped by the element content corresponding to the element component may be preset.
For example, when an electronic contract document is generated by using a contract template, a contract maker is required to input corresponding element contents and a designated stamped contract stamp in a corresponding contract element component, and then the electronic contract document is generated by using the contract template according to the input element contents.
The electronic document to be signed is generated through the template and the element assembly, so that the electronic document to be signed can be quickly and conveniently obtained, the electronic seal corresponding to the seal using position and the seal using position can be quickly and accurately determined, and the electronic document can be printed.
In some embodiments, the electronic document may be subjected to templating processing, so as to determine the element content from the electronic document after the templating processing, and then the identified electronic document is used as the electronic document to be signed and is printed on the electronic document, which may improve the adaptability of the printing scheme in different application scenarios.
For example, the electronic contract document provided by the external organization needs to be stamped with the electronic seal of the local organization, and at this time, the electronic contract document provided by the external organization is converted according to the contract template, and then the element content is extracted from the converted electronic document, so as to stamp the electronic document provided by the external organization.
The templating process here may be, for example, a contract recognition process performed on the electronic document according to a template, for example, a bulletin file recognition process performed according to an internal bulletin template, and the template is not limited here.
Based on the same inventive concept, the embodiment of the present specification further provides an electronic document signing apparatus, an electronic device and a non-volatile computer storage medium corresponding to the electronic document signing method.
Fig. 5 is a schematic structural diagram of an electronic document signing apparatus according to an embodiment of the present disclosure.
As shown in fig. 5, the electronic document signing apparatus 500 may include: the acquisition module 501 acquires an electronic document to be signed; the determining module 503 is configured to determine at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule; a stamp using module 505, which adds an electronic stamp corresponding to the stamp using position at the stamp using position; and the signature module 507 is used for digitally signing the electronic document to be signed after the usage and printing are finished.
Optionally, the digitally signing the electronic document to be signed after completing the usage printing includes:
carrying out hash processing on the whole electronic document to be signed with the electronic seal;
and carrying out digital signature on the hashed electronic document to be signed by adopting an encryption algorithm.
Optionally, the electronic document signing apparatus 500 further comprises: and a file module (not shown in the figure) for attaching the signature data generated by the digital signature to the electronic document to be signed.
Optionally, the obtaining of the electronic document to be signed includes:
acquiring a printing instruction;
and acquiring the electronic document to be signed according to the printing instruction.
Optionally, the seal using instruction comprises instruction data for specifying the type of the electronic document to be signed;
the determining module 503 further determines a preset printing rule according to the instruction data, where a preset corresponding relationship exists between the preset printing rule and the instruction data.
Optionally, the electronic document signing apparatus 500 further comprises: and the identification module (not shown in the figure) is used for identifying keywords of the electronic document to be signed after the acquisition module acquires the electronic document to be signed, wherein the keywords are keywords corresponding to the content to be printed in the electronic document to be signed.
Optionally, performing keyword recognition processing on the electronic document to be signed, including: and carrying out keyword identification processing on the electronic document to be signed according to a preset first keyword component.
Optionally, the obtaining of the electronic document to be signed includes:
acquiring element content in the electronic document to be signed from the second keyword component;
and filling the element content into a preset template to generate the electronic document to be signed.
Optionally, the obtaining module 501 further obtains an appointed relationship of the electronic seal corresponding to the element content;
according to a preset using rule, determining at least one using position in the electronic document to be signed and an electronic seal corresponding to the using position, wherein the method comprises the following steps:
determining a printing position according to the position information of the element content in the electronic document to be signed;
and determining the electronic seal corresponding to the stamp using position according to the specified relation.
Optionally, the obtaining of the electronic document to be signed includes:
identifying the acquired electronic document according to a template;
and taking the electronic document after the identification processing as the electronic document to be signed.
An embodiment of the present specification further provides an electronic device for electronic document signing, including:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
acquiring an electronic document to be signed;
determining at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule;
adding an electronic seal corresponding to the printing position at the printing position;
and carrying out digital signature on the electronic document to be signed after the usage and printing are finished.
Embodiments of the present specification also provide a non-volatile computer storage medium for electronic document signing, storing computer-executable instructions configured to:
acquiring an electronic document to be signed;
determining at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule;
adding an electronic seal corresponding to the printing position at the printing position;
and carrying out digital signature on the electronic document to be signed after the usage and printing are finished.
The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the embodiments of the system, the apparatus, the device, and the non-volatile computer storage medium, since they correspond to the method, the description is simple, and the relevant points can be referred to the partial description of the method embodiments.
The system, apparatus, device, and non-volatile computer storage medium and method provided in the embodiments of this specification correspond to each other, and they also have similar advantageous technical effects to the corresponding method.
In the 90 s of the 20 th century, improvements in a technology could clearly distinguish between improvements in hardware (e.g., improvements in circuit structures such as diodes, transistors, switches, etc.) and improvements in software (improvements in process flow). However, as technology advances, many of today's process flow improvements have been seen as direct improvements in hardware circuit architecture. Designers almost always obtain the corresponding hardware circuit structure by programming an improved method flow into the hardware circuit. Thus, it cannot be said that an improvement in the process flow cannot be realized by hardware physical modules. For example, a Programmable Logic Device (PLD), such as a Field Programmable Gate Array (FPGA), is an integrated circuit whose Logic functions are determined by programming the Device by a user. A digital system is "integrated" on a PLD by the designer's own programming without requiring the chip manufacturer to design and fabricate application-specific integrated circuit chips. Furthermore, nowadays, instead of manually making an Integrated Circuit chip, such Programming is often implemented by "logic compiler" software, which is similar to a software compiler used in program development and writing, but the original code before compiling is also written by a specific Programming Language, which is called Hardware Description Language (HDL), and HDL is not only one but many, such as abel (advanced Boolean Expression Language), ahdl (alternate Hardware Description Language), traffic, pl (core universal Programming Language), HDCal (jhdware Description Language), lang, Lola, HDL, laspam, hardward Description Language (vhr Description Language), vhal (Hardware Description Language), and vhigh-Language, which are currently used in most common. It will also be apparent to those skilled in the art that hardware circuitry that implements the logical method flows can be readily obtained by merely slightly programming the method flows into an integrated circuit using the hardware description languages described above.
The controller may be implemented in any suitable manner, for example, the controller may take the form of, for example, a microprocessor or processor and a computer-readable medium storing computer-readable program code (e.g., software or firmware) executable by the (micro) processor, logic gates, switches, an Application Specific Integrated Circuit (ASIC), a programmable logic controller, and an embedded microcontroller, examples of which include, but are not limited to, the following microcontrollers: ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20, and Silicone Labs C8051F320, the memory controller may also be implemented as part of the control logic for the memory. Those skilled in the art will also appreciate that, in addition to implementing the controller as pure computer readable program code, the same functionality can be implemented by logically programming method steps such that the controller is in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Such a controller may thus be considered a hardware component, and the means included therein for performing the various functions may also be considered as a structure within the hardware component. Or even means for performing the functions may be regarded as being both a software module for performing the method and a structure within a hardware component.
The systems, devices, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. One typical implementation device is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smartphone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention 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 invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. 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.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (19)
1. An electronic document signing method, comprising:
acquiring an electronic document to be signed;
determining at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule;
adding an electronic seal corresponding to the printing position at the printing position;
and carrying out digital signature on the electronic document to be signed after the usage and printing are finished.
2. The method of claim 1, wherein digitally signing the electronic document to be signed after completion of the usage comprises:
carrying out hash processing on the whole electronic document to be signed with the electronic seal;
and carrying out digital signature on the hashed electronic document to be signed by adopting an encryption algorithm.
3. The method of claim 1, further comprising: and attaching signature data generated by the digital signature to the electronic document to be signed.
4. The method of claim 1, obtaining an electronic document to be signed, comprising:
acquiring a printing instruction;
and acquiring the electronic document to be signed according to the printing instruction.
5. The method of claim 4, wherein the print instruction comprises instruction data for specifying a type of the electronic document to be signed;
the method further comprises the following steps:
determining a preset printing rule according to the instruction data;
and a preset corresponding relation exists between the preset printing rule and the instruction data.
6. The method of claim 1, after obtaining the electronic document to be signed, the method further comprising:
and carrying out keyword identification processing on the electronic document to be signed, wherein the keyword is a keyword corresponding to the content needing to be printed in the electronic document to be signed.
7. The method as claimed in claim 6, wherein the processing of keyword recognition on the electronic document to be signed comprises:
and carrying out keyword identification processing on the electronic document to be signed according to a preset first keyword component.
8. The method of claim 1, obtaining an electronic document to be signed, comprising:
acquiring element content in the electronic document to be signed from the second keyword component;
and filling the element content into a preset template to generate the electronic document to be signed.
9. The method of claim 8, further comprising:
acquiring the appointed relation of the electronic seal corresponding to the element content;
according to a preset using rule, determining at least one using position in the electronic document to be signed and an electronic seal corresponding to the using position, wherein the method comprises the following steps:
determining a printing position according to the position information of the element content in the electronic document to be signed;
and determining the electronic seal corresponding to the stamp using position according to the specified relation.
10. The method of claim 1, obtaining an electronic document to be signed, comprising:
identifying the acquired electronic document according to a template;
and taking the electronic document after the identification processing as the electronic document to be signed.
11. An electronic document signing apparatus comprising:
the acquisition module acquires an electronic document to be signed;
the determining module is used for determining at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule;
the seal using module is used for adding the electronic seal corresponding to the seal using position at the seal using position;
and the signature module is used for digitally signing the electronic document to be signed after the usage and printing are finished.
12. The apparatus as claimed in claim 11, wherein the digitally signing the electronic document to be signed after completing the usage comprises:
carrying out hash processing on the whole electronic document to be signed with the electronic seal;
and carrying out digital signature on the hashed electronic document to be signed by adopting an encryption algorithm.
13. The apparatus of claim 11, the apparatus further comprising:
and the file module is used for attaching the signature data generated by the digital signature to the electronic document to be signed.
14. The apparatus of claim 11, obtaining an electronic document to be signed, comprising:
acquiring a printing instruction;
and acquiring the electronic document to be signed according to the printing instruction.
15. The apparatus of claim 11, the apparatus further comprising:
and the identification module is used for identifying keywords of the electronic document to be signed after the electronic document to be signed is acquired by the acquisition module, wherein the keywords are keywords corresponding to the content to be printed in the electronic document to be signed.
16. The apparatus as claimed in claim 15, wherein the processing of keyword recognition on the electronic document to be signed comprises:
and carrying out keyword identification processing on the electronic document to be signed according to a preset first keyword component.
17. The apparatus of claim 11, obtaining an electronic document to be signed, comprising:
acquiring element content in the electronic document to be signed from the second keyword component;
and filling the element content into a preset template to generate the electronic document to be signed.
18. The apparatus of claim 11, obtaining an electronic document to be signed, comprising:
identifying the acquired electronic document according to a template;
and taking the electronic document after the identification processing as the electronic document to be signed.
19. An electronic device for electronic document signing, comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
acquiring an electronic document to be signed;
determining at least one stamp using position and an electronic stamp corresponding to the stamp using position in the electronic document to be signed according to a preset stamp using rule;
adding an electronic seal corresponding to the printing position at the printing position;
and carrying out digital signature on the electronic document to be signed after the usage and printing are finished.
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| CN202011283186.8A CN112214782A (en) | 2020-11-17 | 2020-11-17 | Electronic document signature method, device and equipment |
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| CN202011283186.8A CN112214782A (en) | 2020-11-17 | 2020-11-17 | Electronic document signature method, device and equipment |
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