CN107809608B - Method and device for generating and verifying digital signature video - Google Patents
Method and device for generating and verifying digital signature video Download PDFInfo
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Abstract
The invention discloses a method and a device for generating and verifying a digital signature video, which are used for solving the problem that a common camera cannot directly record a video with a digital signature. The method comprises the following steps: acquiring label facing information input by a user, wherein the label facing information comprises identification information of a label facing user; extracting identification information of the surface label user in the surface label information; generating voice information containing the identification information of the surface-signed user, and storing the generation time of the voice information; and playing the voice information to enable the camera to record the video information containing the voice information. In the embodiment of the invention, the voice information containing the identification information of the label user is generated during label reading, and the voice information is played, so that a common camera can directly record the video with the digital signature, secondary processing of the label video is avoided, the efficiency is improved, a video processing server is prevented from being deployed at a label reading network point, and the cost is saved.
Description
Technical Field
The invention relates to the technical field of video processing, in particular to a method and a device for generating and verifying a digital signature video.
Background
The national economy is continuously increased, and the transactions between people and financial institutions such as banks are also continuously increased. In order to prevent the occurrence of events such as greedy, fraud and the like, the supervision department requires the financial institution to store videos of interview and signature procedures during transaction, so as to ensure that the rights and interests of the customers are not damaged when the customers conflict with the financial institution in the later period.
In the prior art, transaction videos recorded by a common camera are easy to modify and destroy, and after the transaction videos are modified and destroyed, no method is available for verifying whether the videos are real, so that the recorded transaction videos lose the original function of protecting the rights and interests of customers and even harm the benefits of the customers. The video with the digital signature can ensure the integrity and authenticity of the video, and in the prior art, the digital signature is added to the video with the digital signature, and the video can be processed for the second time only after the video is recorded, so that the efficiency is very low; or a video processing server is deployed at the website of the financial institution, which is too costly.
Disclosure of Invention
The embodiment of the invention discloses a method and a device for generating and verifying a digital signature video, which are used for solving the problem that a common camera cannot directly record a video with a digital signature.
In order to achieve the above object, an embodiment of the present invention discloses a method for generating a digital signature video, including:
acquiring label facing information input by a user, wherein the label facing information comprises identification information of a label facing user;
extracting identification information of the surface label user in the surface label information;
generating voice information containing the identification information of the surface-signed user, and storing the generation time of the voice information;
and playing the voice information to enable the camera to record the video information containing the voice information.
Further, the generating the voice information containing the identification information of the face-to-face user comprises:
acquiring label date information;
and generating voice information according to the surface label date information and the identification information of the surface label user.
Further, the generating the voice information containing the identification information of the face-to-face user comprises:
acquiring the sequence number information of the face-to-face user;
and generating voice information according to the sequence number and the identification information of the face-to-face user.
The embodiment of the invention discloses a method for verifying a digital signature video, which is applied to electronic equipment and comprises the following steps:
acquiring video information to be verified;
identifying voice information matched with the time period of the video information according to the generation time of the stored voice information;
matching the recognized voice information with audio information in the video information;
and when the matching is successful, determining that the video information is verified.
Further, the matching the recognized voice information with the audio information in the video information comprises:
determining the target starting time for matching according to the starting time of the audio information and the preset time length;
and matching the voice information with the audio information after the target starting time.
Further, the matching the recognized voice information with the audio information in the video information comprises:
determining a playing time period of the voice information according to the stored generation time of the recognized voice information and a preset time length;
and matching the voice information with the audio information corresponding to the playing time period.
The embodiment of the invention discloses a device for generating a digital signature video, which is applied to electronic equipment and comprises:
the system comprises an acquisition module, a processing module and a display module, wherein the acquisition module is used for acquiring surface label information input by a user, and the surface label information comprises identification information of a surface label user;
the extraction module is used for extracting the identification information of the surface-signed user in the surface-signed information;
the generating module is used for generating voice information containing the identification information of the surface-signed user and storing the generating time of the voice information;
and the playing module is used for playing the voice information to enable the camera to record the video information containing the voice information.
Further, the generating module is specifically configured to obtain tag date information; and generating voice information according to the surface label date information and the identification information of the surface label user.
Further, the generating module is specifically configured to obtain sequence number information of the face-to-face user; and generating voice information according to the sequence number and the identification information of the face-to-face user.
The embodiment of the invention discloses a verification device of a digital signature video, which is applied to electronic equipment and comprises the following components:
the acquisition module is used for acquiring video information to be verified;
the recognition module is used for recognizing the voice information matched with the time period of the video information according to the generation time of the stored voice information;
the matching module is used for matching the recognized voice information with the audio information in the video information;
and the determining module is used for determining that the video information passes the verification when the matching is successful.
Further, the matching module is specifically configured to determine a target start time for matching according to the start time of the audio information and a preset time length; and matching the voice information with the audio information after the target starting time.
Further, the matching module is specifically configured to determine a playing time period of the voice message according to the stored generation time of the recognized voice message and a preset time length; and matching the voice information with the audio information corresponding to the playing time period.
The embodiment of the invention provides a method and a device for generating and verifying a digital signature video, wherein the method comprises the following steps: acquiring label facing information input by a user, wherein the label facing information comprises identification information of a label facing user; extracting identification information of the surface label user in the surface label information; generating voice information containing the identification information of the surface-signed user, and storing the generation time of the voice information; and playing the voice information to enable the camera to record the video information containing the voice information. In the embodiment of the invention, the voice information containing the identification information of the label user is generated during label reading, and the voice information is played, so that a common camera can directly record the video with the digital signature, secondary processing of the label video is avoided, the efficiency is improved, a video processing server is prevented from being deployed at a label reading network point, and the cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a process for generating a digital signature video according to an embodiment of the present invention;
fig. 2 is a verification process of a digitally signed video according to an embodiment of the present invention;
fig. 3 is a detailed verification process of a digitally signed video according to another embodiment of the present invention;
fig. 4 is a structural diagram of a device for generating a digital signature video according to an embodiment of the present invention;
fig. 5 is a structural diagram of a verification apparatus for digitally signed video according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a process for generating a digitally signed video according to an embodiment of the present invention, where the process includes the following steps:
s101: and acquiring label facing information input by a user, wherein the label facing information comprises identification information of a label facing user.
In the embodiment of the invention, the generation process of the digital signature video is applied to the electronic equipment. When a bank conducts surface signing, a staff member of the bank, namely a user, inputs information of a surface signing user who conducts surface signing at present into electronic equipment, wherein the surface signing information comprises identification information of the surface signing user, the identification information of the surface signing user comprises a name of the surface signing user, and the surface signing information can also comprise one or more kinds of information such as sex, identification number, age and the like of the surface signing user.
S102: and extracting the identification information of the surface label user in the surface label information.
Specifically, in the embodiment of the present invention, the electronic device may be a PC for inputting the face-to-face information by the user, or may be a server of a banking outlet where the user is currently located. When the electronic device is a PC, because a label facing interface is displayed on the interface of the PC, input information corresponding to each position can be predetermined, and therefore the PC can acquire identification information of a label facing user according to the position of the identification information of the label facing user in the label facing interface. When the electronic equipment is a server of a bank outlet, after the PC for performing surface signing acquires the surface signing information, the surface signing information is sent to the server, and because the format for data transmission between the server and the PC is fixed, the field where the identification information of the surface signing user is located is also known, and the identification information of the surface signing user can be acquired according to the field.
S103: and generating voice information containing the identification information of the surface-signed user, and storing the generation time of the voice information.
After the electronic equipment extracts the identification information of the surface-signed user, the electronic equipment can automatically generate and encode the voice information containing the identification information of the surface-signed user, wherein the identification information of the surface-signed user comprises the name of the surface-signed user, and the surface-signed information can also comprise one or more information of the surface-signed user, such as sex, identification number, age and the like. And the time corresponding to the voice information is saved, so that the voice information can be conveniently extracted and verified in the future.
The electronic device automatically generates and codes the voice information containing the identification information of the face-to-face user, which belongs to the prior art, and the technology is not described in detail in the embodiment of the invention.
S104: and playing the voice information to enable the camera to record the video information containing the voice information.
The camera is in an open state, video recording is carried out 24 hours a day, voice information containing identification information of a label facing user can be played by the electronic equipment during label facing, and the video information containing the voice information is recorded by the camera.
In the embodiment of the invention, the voice information containing the identification information of the label user is generated during label reading, and the voice information is played, so that a common camera can directly record the video with the digital signature, secondary processing of the label video is avoided, the efficiency is improved, a video processing server is prevented from being deployed at a label reading network point, and the cost is saved.
In another embodiment of the present invention, the generating the voice information containing the identification information of the face-to-face user includes:
acquiring label date information;
and generating voice information according to the surface label date information and the identification information of the surface label user.
Specifically, the electronic device automatically generates voice information containing the identification information of the face-signing user. The voice information may include tag date information in addition to the identification information of the tag user, where the tag date information may be date information carried by an operating system of the current electronic device, or may be date information obtained by time synchronization between the current electronic device and another device. The identification information of the surface-labeled user includes the name of the surface-labeled user. The surface label information can also comprise one or more information of the surface label user such as sex, identification card number, age and the like.
On the basis of the foregoing embodiments, the generating the voice information including the identification information of the face-to-face user includes:
acquiring the sequence number information of the face-to-face user;
and generating voice information according to the sequence number and the identification information of the face-to-face user.
Specifically, when a staff of a bank, that is, a user inputs information of a face-to-face user who performs face-to-face signing currently into the electronic device, the electronic device records sequence number information of the face-to-face signing user and extracts the sequence number information of the face-to-face signing user. And the electronic equipment automatically generates voice information containing the identification information of the surface-signed user. The voice information can also comprise extracted sequence number information of the label user besides the identification information of the label user. The identification information of the surface-signed user comprises the name of the surface-signed user, and the surface-signed information also can comprise one or more information of the surface-signed user, such as sex, identity card number, age and the like.
In the embodiment of the invention, the voice information generated by the electronic equipment can also comprise the label-making date information or the sequence number information of the label-making user besides the identification information of the label-making user, so that the richness of the voice information is improved, the voice information is more complete, and the repetition with other voice information is avoided.
Fig. 2 is a process for verifying a digitally signed video according to an embodiment of the present invention, where the process includes the following steps:
s201: and acquiring video information to be verified.
In the embodiment of the invention, the verification process of the digital signature video is applied to the electronic equipment. When the bank conducts surface signing, the video with the digital signature can be stored, and the digital signature has non-repudiation, so that the digital signature can be decoded to verify whether the video is real and effective video information. Specifically, the video information recorded by the camera and needing to be verified is loaded, and then the video information is verified.
S202: and identifying the voice information matched with the time period of the video information according to the generation time of the stored voice information.
In the embodiment of the invention, the camera is in an open state, video recording is carried out 24 hours a day, and voice information matched with the time period of the video information is found first for decoding and verifying the recorded video information with the digital signature. Because the generation time of the voice information is saved when the voice information is generated, the generation time of the voice information contained in the time period of the video information is found according to the matching between the generation time of the voice information and the time period of the video information to be verified, and the voice information of the generation time is the voice information matched with the video information.
Specifically, for example, the time period of the video information to be verified is 9:20 to 9:50, the generation time of the voice is 9:30, 10:00, or 11:00, and if the generation time of the voice information included in the time period of the video information is found to be 9:30 by matching the generation time of the voice information with the time period of the video information to be verified, the voice information with the generation time of 9:30 is used as the voice information matched with the video information.
S203: and matching the recognized voice information with the audio information in the video information, and if the matching is successful, performing S204, otherwise, determining that the video information is not verified.
The video information includes image information and audio information. If the video information is legal, the voice information which is identified according to the generation time of the voice information and is matched with the time period of the video information is consistent with the audio information in the video information, so that the identified voice information is required to be matched with the audio information in the video information, if the identified voice information is consistent with the audio information in the video information, the matching is considered to be successful, S204 is carried out, and if the identified voice information is inconsistent with the audio information in the video information, the matching is considered to be unsuccessful, and the video information cannot pass the verification.
S204: determining that the video information is verified.
And the identified voice information is successfully matched with the audio information in the video information, namely the digital signature in the video information is successfully verified, the video information is considered to pass the verification, and the video information can be considered to be the information which is real, effective and legal. When the video information is needed, the key frames in the video can be positioned to obtain the needed information.
In order to improve the matching efficiency, in another embodiment of the present invention, the matching the recognized voice information with the audio information in the video information includes:
determining the target starting time for matching according to the starting time of the audio information and the preset time length;
and matching the voice information with the audio information after the target starting time.
Specifically, when a countersign user comes to a window of a bank outlet to perform countersign, the user acquires countersign information of the countersign user and inputs the countersign information into the electronic equipment, and the electronic equipment extracts identification information of the countersign user in the countersign information; and generating and playing voice information containing the identification information of the surface label user. According to the above-mentioned face-to-face signing process, after the face-to-face signing user comes to the window, the electronic device cannot acquire the face-to-face signing information immediately, that is, cannot generate the voice information immediately, the face-to-face signing information of the face-to-face signing user can be input to the electronic device only after a period of time after the start of face-to-face signing, and the period of time can be determined according to the proficiency level of the user, that is, the bank staff, and the knowledge of the face-to-face signing process of the general face-to-face signing user. Therefore, a preset time length can be determined according to the time length of the period, and when the recognized voice information is matched with the audio information in the video information, a target starting time for matching can be determined according to the preset time length.
For example, if the start time and the end time of the label are 9:20 and 9:50 respectively, the start time and the end time of the audio information in the label video are 9:20, after the label starts, a period of time is required for the user to input the label information of the label user into the electronic device, the period of time is generally considered as 10 minutes, and the preset time length is 10 minutes, when the recognized voice information is matched with the audio information in the video information, the matching is not required from the 9:20 time, and the matching is started from the 9:30 time to the 9:50 matching end.
When the surface-labeled video starts, the voice information is not played, the difference between the start time of the voice information and the start time of the surface-labeled video is a time length, the time length can be obtained according to statistics, the start time of an object to be matched is determined according to the start time of the audio information in the video information and the time length of the difference between the start time of the voice information and the start time of the surface-labeled video, and then the recognized voice information is matched with the audio information after the start time of the object. The matching method greatly improves the matching efficiency due to more accurate matching time.
Fig. 3 is a detailed verification process of a digitally signed video according to another embodiment of the present invention, where the process includes:
s301, video information to be verified is obtained.
And S302, identifying the voice information matched with the time period of the video information according to the generation time of the stored voice information.
And S303, determining the target starting time for matching according to the starting time of the audio information and the preset time length.
And S304, matching the voice information with the audio information after the target starting time, and if the matching is successful, performing S305, otherwise, performing S306.
S305: determining that the video information is verified.
S306: and matching the recognized voice information with the audio information in the video information.
And matching the voice information with the audio information after the target starting time, and when the matching is unsuccessful, matching the voice information with all contents in the video information so as to judge whether the video information contains a digital signature in the embodiment of the invention and ensure the accuracy of verification.
In addition, since the generation time of the voice information is recorded, the playing time period of the voice information may be determined according to the generation time of the voice information, and thus in another embodiment of the present invention, the matching the recognized voice information with the audio information in the video information includes:
determining a playing time period of the voice information according to the stored generation time of the recognized voice information and a preset time length;
and matching the voice information with the audio information corresponding to the playing time period.
Specifically, in general, the time for playing the voice information may slightly delay the time for generating the voice information, that is, a certain time difference exists between the voice information generation and the voice information playing of the device, in the embodiment of the present invention, the time length is set according to the time difference, for example, the time for generating the voice information is 9:30, the time difference between the time for generating the voice information and the time for playing the voice information is 3 minutes, that is, the preset time length is 3 minutes, and the time period for playing the voice information is 9:30 to 9: 33. And matching the voice information with the audio information corresponding to the playing time period, matching the voice information with the audio information in the time period of 9: 30-9: 33, and matching the voice information with the audio information in the video information to be verified found in the time period according to the playing time period of the voice information.
In addition, if the voice information is matched with the audio information corresponding to the playing time period, and the matching is unsuccessful, in order to ensure the accuracy of the verification, in the embodiment of the present invention, the voice information may be matched with all the contents in the video information, so as to determine whether the video information contains a digital signature.
Fig. 4 is a structural diagram of a device for generating a digital signature video according to an embodiment of the present invention, where the device includes:
the obtaining module 41 is configured to obtain label information input by a user, where the label information includes identification information of a label user;
the extracting module 42 is configured to extract identification information of the label-making user in the label-making information;
a generating module 43, configured to generate voice information including identification information of the surface-labeled user, and store generation time of the voice information;
and the playing module 44 is configured to play the voice information, so that the camera records video information containing the voice information.
The generating module 43 is specifically configured to obtain tag date information; and generating voice information according to the surface label date information and the identification information of the surface label user.
The generating module 43 is specifically configured to obtain sequence number information of the face-to-face user; and generating voice information according to the sequence number and the identification information of the face-to-face user.
Fig. 5 is a structural diagram of an apparatus for verifying a digitally signed video according to an embodiment of the present invention, where the apparatus includes:
an obtaining module 51, configured to obtain video information to be verified;
the recognition module 52 is configured to recognize the voice information matched with the time period of the video information according to the generation time of the stored voice information;
a matching module 53, configured to match the recognized voice information with audio information in the video information;
a determining module 54, configured to determine that the video information is verified when the matching is successful.
The matching module 53 is specifically configured to determine a target start time for matching according to the start time of the audio information and a preset time length; and matching the voice information with the audio information after the target starting time.
The matching module 53 is specifically configured to determine a playing time period of the voice message according to the stored generation time of the recognized voice message and a preset time length; and matching the voice information with the audio information corresponding to the playing time period.
The embodiment of the invention provides a method and a device for generating and verifying a digital signature video, wherein the method comprises the following steps: acquiring label facing information input by a user, wherein the label facing information comprises identification information of a label facing user; extracting identification information of the surface label user in the surface label information; generating voice information containing the identification information of the surface-signed user, and storing the generation time of the voice information; and playing the voice information to enable the camera to record the video information containing the voice information. Because the identification information of the face-signing client is generated into voice to be played, the common camera can directly record the video with the digital signature, thereby avoiding secondary processing of the face-signing video or deployment of a video processing server at a website of a financial institution, improving the efficiency and saving the cost.
For the system/apparatus embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for relevant points.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (12)
1. A method for generating a digital signature video is applied to an electronic device, and comprises the following steps:
acquiring label facing information input by a user, wherein the label facing information comprises identification information of a label facing user;
extracting identification information of the surface label user in the surface label information;
generating voice information containing the identification information of the surface-signed user, and storing the generation time of the voice information;
and playing the voice information to enable the camera to record the video information containing the voice information.
2. The method of claim 1, wherein generating voice information containing identification information of the face-up user comprises:
acquiring label date information;
and generating voice information according to the surface label date information and the identification information of the surface label user.
3. The method of claim 1, wherein generating voice information containing identification information of the face-up user comprises:
acquiring the sequence number information of the face-to-face user;
and generating voice information according to the sequence number and the identification information of the face-to-face user.
4. A verification method of a digital signature video is applied to an electronic device, and comprises the following steps:
acquiring video information to be verified;
identifying voice information matched with the time period of the video information according to the generation time of the stored voice information;
matching the recognized voice information with the audio information in the video information;
and when the matching is successful, determining that the video information is verified.
5. The method of claim 4, wherein matching the identified voice information with audio information in the video information comprises:
determining the target starting time for matching according to the starting time of the audio information and the preset time length; the preset time length is the time difference from the beginning of the surface label to the time when the electronic equipment receives the surface label information;
matching the identified voice information matched with the time section of the video information with the audio information after the target starting time.
6. The method of claim 4, wherein matching the identified voice information with audio information in the video information comprises:
determining a playing time period of the voice information according to the stored generation time of the recognized voice information and a preset time length; the preset time length is the time difference between the generation time of the recognized voice information and the playing completion time of the recognized voice information;
and matching the identified voice information matched with the time period of the video information with the audio information corresponding to the playing time period.
7. An apparatus for generating a digitally signed video, applied to an electronic device, the apparatus comprising:
the system comprises an acquisition module, a processing module and a display module, wherein the acquisition module is used for acquiring surface label information input by a user, and the surface label information comprises identification information of a surface label user;
the extraction module is used for extracting the identification information of the surface-signed user in the surface-signed information;
the generating module is used for generating voice information containing the identification information of the surface-signed user and storing the generating time of the voice information;
and the playing module is used for playing the voice information to enable the camera to record the video information containing the voice information.
8. The apparatus according to claim 7, wherein the generating module is specifically configured to obtain facebook date information; and generating voice information according to the surface label date information and the identification information of the surface label user.
9. The method according to claim 7 or 8, wherein the generating module is specifically configured to obtain sequence number information of the face-to-face user; and generating voice information according to the sequence number and the identification information of the face-to-face user.
10. An apparatus for verifying a digitally signed video, applied to an electronic device, the apparatus comprising:
the acquisition module is used for acquiring video information to be verified;
the recognition module is used for recognizing the voice information matched with the time period of the video information according to the generation time of the stored voice information;
the matching module is used for matching the recognized voice information with the audio information in the video information;
and the determining module is used for determining that the video information passes the verification when the matching is successful.
11. The apparatus according to claim 10, wherein the matching module is specifically configured to determine a target start time for matching according to the start time of the audio information and a preset time duration; the preset time length is the time difference from the beginning of the surface label to the receipt of the surface label information; matching the identified voice information matched with the time section of the video information with the audio information after the target starting time.
12. The apparatus according to claim 10, wherein the matching module is specifically configured to determine a playing time period of the voice message according to the stored generation time of the recognized voice message and a preset second time duration; the preset time length is the time difference between the generation time and the play completion time of the recognized voice information; and matching the identified voice information matched with the time period of the video information with the audio information corresponding to the playing time period.
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