CN110675894A

CN110675894A - HDCP key online burning method and device and electronic equipment

Info

Publication number: CN110675894A
Application number: CN201910909004.4A
Authority: CN
Inventors: 孙立斌
Original assignee: STAR SOFTWARE TECHNOLOGY CO LTD
Current assignee: STAR SOFTWARE TECHNOLOGY CO LTD
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-01-10
Anticipated expiration: 2039-09-25
Also published as: CN110675894B

Abstract

The embodiment of the application provides an HDCP key online burning method, an HDCP key online burning device and electronic equipment, wherein the method comprises the following steps: searching whether a corresponding HDCP key file exists in an external storage device in communication connection with the target device according to a target HDCP key format identifier which corresponds to the target device and is not burnt, and if so, judging whether the serial number identifiers of a plurality of different versions of HDCP key files are the same; and if the HDCP key files are the same, simultaneously burning a plurality of HDCP key files of different versions into the target equipment on line. The method and the device can accurately and reliably burn multiple versions of HDCP keys to the target equipment on line simultaneously, can effectively improve the burning and production efficiency of the HDCP keys of the target equipment, and effectively avoid the waste of HDCP key resources.

Description

HDCP key online burning method and device and electronic equipment

Technical Field

The application relates to the technical field of device burning, in particular to an HDCP key online burning method and device and electronic equipment.

Background

In order to ensure that High-definition signals transmitted by High-speed digital video interfaces (Displayport, HDMl, DVI) are not illegally recorded, a High-bandwidth digital content Protection technology, namely, an HDCP (High-bandwidth digital content Protection) technology, is developed, and the HDCP is a High-bandwidth digital content Protection technology and is used for protecting uncompressed digital audio and video contents.

The HDCP requires the support of both hardware and software, and all devices participating in content transmission are indispensable. Every product supporting the HDCP technology can be burned with a unique key HDCP key file in the production process for protecting the content information of the product from being illegally recorded.

However, in the conventional burning method, since only one HDCP key can be burned at a time, there is a problem of low burning efficiency, and when the HDCP key is mounted, the data in the IC is easily damaged and goes wrong, which easily causes waste of HDCP key resources.

Disclosure of Invention

Aiming at the problems in the prior art, the application provides the HDCP key online burning method, the device and the electronic equipment, which can accurately and reliably burn multiple versions of HDCP keys to target equipment online directly at the same time, can effectively improve the HDCP key burning and production efficiency of the target equipment, and effectively avoid the waste of HDCP key resources.

In order to solve the technical problem, the application provides the following technical scheme:

in a first aspect, the present application provides an HDCP key online burning method, including:

searching whether a corresponding HDCP key file exists in an external storage device in communication connection with the target device according to a target HDCP key format identifier which corresponds to the target device and is not burnt, and if so, judging whether the serial number identifiers of a plurality of different versions of HDCP key files are the same if the plurality of different versions of HDCP key files exist in the external storage device and correspond to the target HDCP key format identifier;

and if the serial number identifications of the HDCP key files of the different versions are the same, burning the HDCP key files of the different versions into the target equipment on line.

Further, the HDCP key online burning method further includes:

and if only a single version of HDCP key file corresponding to the target HDCP key format identifier exists in the external storage equipment, burning the HDCP key file into the target equipment on line.

Further, the online burning of the HDCP key files of the multiple different versions to the target device at the same time includes:

storing a plurality of HDCP key files with different versions into an internal storage area of the target equipment on line;

applying a preset check rule to check the correctness of the multiple HDCPkey files with different versions in the internal storage area of the target device and the corresponding HDCP key file in the external storage device;

and if at least one version of HDCP key file with successful correctness verification exists, copying the at least one version of HDCP key file with successful correctness verification to an internal working area of the target equipment on line.

Further, the HDCP key online burning method further includes:

and displaying the burning success information of the HDCP key file in the target equipment.

Further, the HDCP key online burning method further includes:

if the current target equipment is judged to be in any preset non-burning state, displaying burning failure information of the HDCP key file in the target equipment;

wherein, the preset non-burning state comprises:

at least one HDCP key file with the number identification different from that of other versions exists in the multiple HDCP key files with different versions;

the HDCP key file corresponding to the target HDCP key format identifier is not found in the external storage equipment;

the HDCP key file stored in an internal storage area of the target device does not pass the corresponding correctness check.

Further, the searching whether a corresponding HDCP key file exists in an external storage device in communication connection with the target device according to the unburred target HDCP key format identifier corresponding to the target device includes:

receiving a burning starting instruction, wherein the burning starting instruction comprises a target HDCPkey format identifier and a serial number identifier of the target equipment;

and judging whether the corresponding HDCP key file is burnt in the target equipment or not by applying the target HDCP key format identifier, if not, searching whether the corresponding HDCP key file exists in an external storage device in communication connection with the target equipment or not according to the target HDCP key format identifier and the serial number identifier which are not burnt.

Further, before searching whether a corresponding HDCP key file exists in the external storage device in communication connection with the target device, the HDCP key online burning method further includes:

setting an internal storage area of the target device to be in a read-write state;

correspondingly, after the HDCP key files of multiple different versions are burned into the target device online at the same time, the HDCP key online burning method further includes:

setting the internal storage area to a read-only state.

Further, after the simultaneously burning the multiple HDCP key files of different versions online into the target device and/or after the simultaneously burning the HDCP key files online into the target device, the method further includes:

and deleting the HDCP key file which is successfully burned into the target equipment from the external storage equipment.

In a second aspect, the present application provides an HDCP key online burning device, including:

the consistency checking module is used for searching whether a corresponding HDCP key file exists in an external storage device in communication connection with the target device according to a target HDCP key format identifier which corresponds to the target device and is not burnt, and if the corresponding HDCP key file exists and a plurality of different versions of HDCP key files which correspond to the target HDCP key format identifier exist in the external storage device, judging whether the serial number identifiers of the multiple different versions of HDCP key files are the same;

and the multi-file online burning module is used for simultaneously burning the HDCP key files of the different versions into the target equipment in an online manner if the serial numbers and the identifications of the HDCP key files of the different versions are the same.

Further, the HDCP key online burning device further includes:

and the single-version file online burning module is used for burning the HDCP key file into the target equipment online if only the single-version HDCP key file corresponding to the target HDCPkey format identifier exists in the external storage equipment.

Further, the multi-file online burning module comprises:

the internal storage unit is used for storing the HDCP key files of a plurality of different versions into an internal storage area of the target equipment on line;

the correctness checking unit is used for applying a preset checking rule to check the correctness of the multiple HDCP key files with different versions in the internal storage area of the target equipment and the corresponding HDCP key files in the external storage equipment;

and the working area copying unit is used for copying at least one HDCP key file with successful correctness to an internal working area of the target equipment on line if at least one version of HDCP key file with successful correctness verification exists.

Further, the HDCP key online burning device further includes:

and the burning success information display module is used for displaying the burning success information of the HDCP key file in the target equipment.

Further, the HDCP key online burning device further includes:

the burning failure information display module is used for displaying the burning failure information of the HDCP key file in the target equipment if the current target equipment is judged to be in any preset burning failure state;

wherein, the preset non-burning state comprises:

Further, the consistency check module comprises:

the command receiving unit is used for receiving a burning starting command, wherein the burning starting command comprises a target HDCP key format identifier and a serial number identifier of the target equipment;

and the burning judgment unit is used for judging whether the corresponding HDCP key file is burnt in the target equipment or not by applying the target HDCP key format identifier, and if not, searching whether the corresponding HDCP key file exists in an external storage device in communication connection with the target equipment or not according to the target HDCP key format identifier and the serial number identifier which are not burnt.

Further, the HDCP key online burning device further includes:

the read-write state modification module is used for setting an internal storage area of the target equipment to be in a read-write state;

and the read-only state modification module is used for setting the internal storage area to be in a read-only state.

Further, the HDCP key online burning device further includes:

and the burnt file deleting module is used for deleting the HDCP key file which is burnt into the target equipment successfully from the external storage equipment.

In a third aspect, the present application provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the HDCP key online burning method when executing the program.

In a fourth aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the HDCP key online burning method.

According to the technical scheme, the method, the device and the electronic equipment for burning the HDCP key on line provided by the application search whether a corresponding HDCP key file exists in an external storage device which is in communication connection with the target equipment according to an unburred target HDCP key format identifier corresponding to the target equipment, and if so, and a plurality of HDCP key files of different versions corresponding to the target HDCP key format identifier exist in the external storage device, judge whether the serial number identifiers of the HDCP key files of the different versions are the same; if the serial numbers and the identifications of the multiple different versions of the HDCP key file are the same, the multiple different versions of the HDCP key file are simultaneously burnt into the target equipment on line, the multiple versions of the HDCP key file can be accurately and reliably burnt into the target equipment on line directly at the same time without an additional burner or a burning seat and burning before mounting, the burning and production efficiency of the target equipment can be effectively improved, the waste of HDCP key resources is effectively avoided, meanwhile, the usability of the HDCP key can be judged before storage in a mode of firstly checking consistency and then storing the HDCP key file, if the HDCP key is unavailable, the storage is not needed, the burning time can be effectively saved, and the effect brought by the online burning through an external storage device is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present application 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, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic flow chart of an HDCP key online burning method in the embodiment of the present application;

fig. 2 is a schematic view illustrating a specific process of burning multiple or single HDCP keys in the HDCP key online burning method in the embodiment of the present application;

fig. 3 is a schematic diagram illustrating a specific flow of S200 in the HDCP key online burning method in the embodiment of the present application;

fig. 4 is a schematic flowchart of an HDCP key online burning method including S310 in the embodiment of the present application;

fig. 5 is a schematic flowchart illustrating an embodiment of an HDCP key online burning method including S7 according to the present invention;

fig. 6 is a schematic diagram illustrating a specific flow of S100 in the HDCP key online burning method in the embodiment of the present application;

FIG. 7 is a flowchart illustrating an HDCP key online burning method including S001 and S210 according to an embodiment of the present application;

fig. 8 is a schematic flowchart illustrating an embodiment of an HDCP key online burning method including S8 according to the present invention;

FIG. 9 is a logic diagram of a HDCP key file generation process in an application example of the present application;

FIG. 10 is a logic diagram illustrating a burning process of an HDCP key file in an application example of the present application;

FIG. 11 is a logic diagram illustrating a function implementation process of a burning process in an application example of the present application;

fig. 12 is a schematic structural diagram of an HDCP key online burning apparatus in the embodiment of the present application;

fig. 13 is a schematic block diagram of a system configuration of an electronic apparatus according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.

Considering the problems of low burning efficiency and easy waste of HDCP key resources in the conventional HDCP key burning method, the application starts from the demand point of not needing an additional burner or burning seat, needing burning before chip mounting, directly burning on line and supporting simultaneous burning of multiple versions of HDCP keys, designs an HDCP key on-line burning method, and an HDCP key online burning device, an electronic device and a computer readable storage medium corresponding to the HDCP key online burning method, searching whether a corresponding HDCP key file exists in an external storage device in communication connection with the target device according to an unburden target HDCP key format identifier corresponding to the target device, if so, and a plurality of HDCP key files with different versions corresponding to the target HDCP key format identification exist in the external storage equipment, judging whether the serial number identifications of the HDCP key files of a plurality of different versions are the same; if the serial numbers and the identifications of the multiple different versions of the HDCP key file are the same, the multiple different versions of the HDCP key file are simultaneously burnt into the target equipment on line, the multiple versions of the HDCP key file can be accurately and reliably burnt into the target equipment on line directly at the same time without an additional burner or a burning seat and burning before mounting, the burning and production efficiency of the target equipment can be effectively improved, the waste of HDCP key resources is effectively avoided, meanwhile, the usability of the HDCP key can be judged before storage in a mode of firstly checking consistency and then storing the HDCP key file, if the HDCP key is unavailable, the storage is not needed, the burning time can be effectively saved, and the effect brought by the online burning through an external storage device is achieved.

In view of the above, an embodiment of the present application provides an HDCP key online burning device for implementing an HDCP key online burning method, where the HDCP key online burning device may be a controller or a control chip, and the HDCP key online burning device may be independently arranged, may also be arranged in a target device, and is in communication connection with an external storage device outside the target device, and may also be in communication connection with a burning start instruction device for sending a burning start instruction.

In an example, if the external storage device is a usb disk, the communication connection between the HDCP key online burning device and the usb disk inside the target device may be implemented by inserting the usb disk into the communication interface of the target device.

In one or more embodiments of the present application, the target device refers to a digital audio/video playing or transmitting device with an HDCP key burning requirement and a digital video interface, and specifically may be an audio playing device, a video playing device, or a modem.

Specifically, the HDCP key online burning device may receive a burning start instruction sent by a burning start instruction device online, and search, based on the burning start instruction, whether a corresponding HDCP key file exists in an external storage device in communication connection with a target device according to a target HDCP key format identifier that is not burned and corresponds to the target device, and if so, and if multiple HDCP key files of different versions corresponding to the target HDCP key format identifier exist in the external storage device, determine whether the number identifiers of the multiple HDCP key files of different versions are the same; and if the serial number identifications of the HDCP key files of the different versions are the same, burning the HDCP key files of the different versions into the target equipment on line.

It can be understood that the target HDCP key format identifier and the number identifier are both displayed in the file name of the HDCP key file.

Then, the HDCP key online burning device can also display the burning result of the HDCP key file in the target device and/or display the burning process information of the HDCP key file in the target device in real time, so that the problem that a user cannot know the burning state as early as possible due to the fact that the burning result cannot be visually checked in the conventional burning mode can be solved, namely, the burning success information can be visually displayed, and the user can visually and efficiently know the burning success information.

On this basis, the HDCP key online burning device can also send the burning result of the HDCP key file in the target device and/or display the burning process information of the HDCP key file in the target device in real time to the client device authorized in advance, so that a user can timely acquire the burning result or the burning process information without burning the site, timely adjust or replace the external storage device after knowing that the burning fails, and timely burn the next target device needing to burn the HDCP key after knowing that the burning succeeds.

The burning start instruction device may be a remote controller, a key on a target device, a server, or a client device.

It is understood that the client devices may include smart phones, tablet electronic devices, network set-top boxes, portable computers, desktop computers, Personal Digital Assistants (PDAs), in-vehicle devices, smart wearable devices, and the like. Wherein, intelligence wearing equipment can include intelligent glasses, intelligent wrist-watch, intelligent bracelet etc..

The client device may have a communication module (i.e., a communication unit), and may be communicatively connected to a remote server to implement data transmission with the server. The server may include a server on the task scheduling center side, and in other implementation scenarios, the server may also include a server on an intermediate platform, for example, a server on a third-party server platform that is communicatively linked to the task scheduling center server. The server may include a single computer device, or may include a server cluster formed by a plurality of servers, or a server structure of a distributed apparatus.

Any suitable network protocol can be used for communication between the server or the client device and the HDCP key online burning device, including a network protocol that has not been developed at the filing date of the present application. The network protocol may include, for example, a TCP/IP protocol, a UDP/IP protocol, an HTTP protocol, an HTTPS protocol, or the like. Of course, the network Protocol may also include, for example, an RPC Protocol (Remote Procedure Call Protocol), a REST Protocol (Representational State Transfer Protocol), and the like used above the above Protocol.

In order to accurately and reliably burn multiple versions of HDCP keys to a target device on line at the same time, effectively improve the HDCP key burning and production efficiency of the target device, and effectively avoid the waste of HDCP key resources, the present application provides an embodiment of an HDCP key on-line burning method, which specifically includes the following contents, referring to fig. 1:

s100: searching whether a corresponding HDCP key file exists in an external storage device in communication connection with the target device according to a target HDCP key format identifier which corresponds to the target device and is not burnt, and if so, judging whether the serial number identifiers of the HDCP key files of different versions are the same if the HDCP key files of different versions corresponding to the target HDCP key format identifier exist in the external storage device.

In S100, the external storage device may specifically store at least one HDCP key list, where the HDCP key list is used to store a corresponding relationship between each HDCP key identifier and each HDCP key file, where each HDCP key identifier is different, but one HDCP key identifier may have multiple HDCP key files of different versions, and thus, the corresponding relationship between the HDCP key identifier and each HDCP key file may be a one-to-one or one-to-many relationship.

S200: and if the serial number identifications of the HDCP key files of the different versions are the same, burning the HDCP key files of the different versions into the target equipment on line.

On the basis, each HDCP key file stored in the external storage device is obtained in advance, and after each HDCP key file is obtained, each HDCP key file needs to be preprocessed, and specific preprocessing methods are as follows:

(1) content separation: the method mainly separates the content of the HDCP key file according to the number of the HDCP keys and prepares for the content processing of the HDCP keys.

(2) Content processing: the content of the separated HDCP key is processed, for example: and carrying out operations such as encryption or non-encryption on the HDCP key content, and preparing for the file generation module.

(3) And (3) file generation: and storing the content finished by the content processing module into a single file, and providing input for the file processing module.

(4) File processing: the method mainly performs customized processing operations on a single HDCP key file, such as: adding self-defined number information and the like.

In order to realize the simultaneous burning of multiple HDCP keys, the burning of a single HDCP key, and the online burning of a single version of HDCP key, and further effectively improve the applicability of the online burning method of HDCP keys, in an embodiment of the online burning method of HDCP keys of the present application, the online burning method of HDCP keys further includes the following contents:

searching whether a corresponding HDCP key file exists in an external storage device in communication connection with the target device according to a target HDCP key format identifier which corresponds to the target device and is not burned, and burning the HDCP key file into the target device on line if the corresponding HDCP key file exists and only a single version of the HDCP key file corresponding to the target HDCP key format identifier exists in the external storage device.

Referring to fig. 2, the specific process of implementing the burning of multiple or single HDCP keys specifically includes the following contents:

s1: and searching whether a corresponding HDCP key file exists in an external storage device in communication connection with the target device according to the target HDCP key format identifier which corresponds to the target device and is not burnt, if so, executing S2, and if not, executing S3.

S2: and judging whether the version number of the HDCPkey file corresponding to the target HDCP key format identifier in the external storage device is unique or not, if not, executing S4, and if so, executing S5.

S3: and judging that the current burning fails.

S4: and judging whether the serial number identifications of the HDCP key files of the different versions are the same, if so, executing the step S6, and if not, executing the step S3.

S5: and burning the HDCP key file into the target equipment on line.

S6: and simultaneously burning a plurality of HDCP key files of different versions into the target equipment on line.

In one or more embodiments of the present application, the target device includes at least one internal storage area and at least one internal working area, specifically:

(1) internal storage area: internal storage media of HDCP-enabled products;

(2) internal work area: the HDCP key is an internal storage medium of a product supporting the HDCP and comprises various flash, a magnetic disk and the like.

Based on the above, in order to further improve the reliability and accuracy of the HDCP key online burning through the second correctness check, in an embodiment of the HDCP key online burning method of the present application, referring to fig. 3, S200 in the HDCP key online burning method specifically includes the following contents:

s201: storing a plurality of HDCP key files with different versions into an internal storage area of the target equipment on line;

s202: applying a preset check rule to perform correctness check on a plurality of HDCP key files with different versions in the internal storage area of the target device and corresponding HDCP key files in the external storage device, and if at least one version of HDCP key file with successful correctness check exists, executing step 203;

s203: and copying at least one HDCP key file with successful correctness to an internal working area of the target equipment on line.

In order to visually display the burning success information so that the user can visually and efficiently obtain the burning success information, in an embodiment of the HDCP key online burning method of the present application, referring to fig. 4, the following contents are further specifically included after S200 in the HDCP key online burning method:

s310: and displaying the burning success information of the HDCP key file in the target equipment.

Correspondingly, in order to intuitively display the burning failure information so that the user can intuitively and efficiently obtain the burning failure information, in an embodiment of the HDCP key online burning method of the present application, referring to fig. 5, the following contents are further specifically included after S3 in the HDCP key online burning method:

s7: and displaying the burning failure information of the HDCP key file in the target equipment.

It can be understood that the preset non-recordable state specifically includes the following situations:

(1) at least one HDCP key file with the number identification different from that of other versions exists in the multiple HDCP key files with different versions.

(2) And not finding the HDCPkey file corresponding to the target HDCP key format identifier in the external storage equipment.

(3) The HDCP key file stored in an internal storage area of the target device does not pass the corresponding correctness check.

In order to effectively avoid waste of the subsequent HDCP key selection and storage processes and further improve the intelligent degree of the HDCP key burning process, in an embodiment of the HDCP key online burning method of the present application, referring to fig. 6, S100 in the HDCP key online burning method further includes the following contents:

s101: receiving a burning starting instruction, wherein the burning starting instruction comprises a target HDCP key format identifier and a serial number identifier of the target equipment;

s102: judging whether the target device is burnt with a corresponding HDCP key file or not by applying the target HDCP key format identifier, and if not, executing S103; if yes, go to S3: and judging that the current burning fails.

S103: and searching whether a corresponding HDCP key file exists in an external storage device in communication connection with the target device according to the target HDCP key format identifier and the serial number identifier which are not burned.

In order to effectively improve the security of the HDCP key online burning process, in an embodiment of the HDCP key online burning method of the present application, referring to fig. 7, the following contents are further specifically included before S100 in the HDCP key online burning method:

s001: and setting an internal storage area of the target device to be in a read-write state.

Correspondingly, after S200 in the HDCP key online burning method, the HDCP key online burning method further includes the following contents:

s210: setting the internal storage area to a read-only state.

In order to effectively improve the reliability and accuracy of the next HDCP key online burning process and avoid repeatedly checking the applied HDCP key file, in an embodiment of the HDCP key online burning method of the present application, referring to fig. 8, the following contents are further specifically included after S5 and/or S6 in the HDCP key online burning method:

s8: and deleting the HDCP key file which is successfully burned into the target equipment from the external storage equipment.

In other words, the HDCP key online burning method does not need a burning device, does not need burning ICs before mounting, and directly burns ICs online, thereby improving the production efficiency; the operation is simple, the device can be started only by using the burning starting instruction device, the simultaneous burning of the multi-version HDCP keys is supported, the information is automatically matched in the burning process, and the burning efficiency is improved; and can effectively avoid the repeated burning and loss of the HDCP key, and avoid the waste of the HDCP key resource.

In order to further explain the scheme, the application example also provides a specific application example of the HDCP key online burning method, the application example aims at supporting HDCP products, a method for realizing simultaneous burning on a plurality of HDCP keys online is realized, a burner or a burning seat is not required to be additionally arranged, key file information of different versions is analyzed and processed, single or simultaneous burning is realized according to an analysis result, and meanwhile, the burning result and the number information can be displayed very intuitively. The specific contents are as follows:

generation of HDCP key file

After the HDCP key is purchased, the burning operation according to the method must be performed through the steps of content separation, content processing, file generation, file processing, and the like as shown in fig. 9.

(1) Content separation: the method mainly separates the content of the HDCP key file according to the number of the HDCP keys and prepares for key content processing.

In this embodiment, the HDCP key format identifier is defined as:

the HDCP key format of version 1.4 is identified as: HDCP KEY14 (numbered identification of version 1.4). bin;

the HDCP key format of version 2.2 is identified as: HDCP KEY22 (numbered identification of version 2.2).

At present, a file name is used as self-defined number information, which includes two parts of an HDCP version and a self-defined number, and is arranged according to certain rules and formats, such as:

HDCP KEY14(00001). bin denotes the 1.4 version of HDCP KEY, custom number 00001.

HDCP KEY22(00001). bin denotes the HDCP KEY version 2.2, custom number 00001.

(II) burning of HDCP key file

The device or module shown in fig. 10 is involved in the slave HDCP key burning process:

(1) the burning starting instruction device comprises: the burning process for starting the HDCP key is as follows: remote control, keys, etc.

(2) External storage: and the external storage media such as the U disk and the SD card store the generated single HDCP key file.

(3) Internal storage: internal storage media of HDCP-enabled products.

(4) Internal work area: the HDCP key is an internal storage medium of a product supporting the HDCP and comprises various flash, a magnetic disk and the like.

Function realization of (III) burning process

The specific division is as shown in fig. 11:

an inspection module: the burning state of the HDCP key of the current system is mainly checked, such as: the recording and non-recording are processed according to the status to determine whether to start the recording process.

A search module: the method mainly searches HDCP key files with specific formats in specific directories stored outside and matches with key file custom information (such as custom numbers) of different versions. And outputs the result to the burning module for processing.

A burning module: the HDCP key module of the search module is copied from the external storage to the internal storage to control the read-write authority of the internal storage, and relevant self-defined information (such as self-defined numbers) is recorded.

A checking module: the key file in the internal storage is mainly verified, and if the verification is correct, the key file in the internal storage is copied to the internal work area for the system to use.

A display module: the burning result and the burning information are mainly displayed.

(IV) detailed programming process

The application has the advantages that the external storage is the U disk, and the burning process is introduced by taking the key of 1.4 and 2.2 versions as an example:

(1) all key files are placed under a specific directory of the U disk, for example: hdcpmsd catalog and insert the USB disk into the USB port of the product.

(2) The burning process is started through the burning starting instruction device.

(3) Checking whether the HDCP key is burnt or not through the number, and setting internal storage as read-write permission if the HDCP key is not burnt or is forcibly burnt; if the recording is finished, the recording number is displayed through the recording display module, and the recording process is finished.

(4) And searching whether a specific directory stored externally exists or not, if not, displaying failure information and failure reasons through a burning display module, and ending the burning process.

(5) Searching all files of the HDCP key under the U disk, searching any 1.4 version of the HDCP key file, and if the record number is searched to be 1.

(6) If the number 1 exists, searching for the 2.2 version HDCP key file matched with the number 1, and if the number 1 does not exist, searching for any 2.2 version HDCP key file; if the record number is searched for as number 2.

(7) If the number 1 and the number 2 exist and are equal, copying the HDCP keys of the two versions from the external storage to the internal storage; if only one of number 1 and number 2 exists, copying the hcp key that exists from the external storage to the internal storage; and if the number 1 is not equal to the number 2, the burning display module displays failure information and failure reasons.

(8) Checking whether the HDCP key file stored in the memory is correct, and if so, copying the HDCP key file to an internal working area; and if the verification fails, the burning display module displays failure information and failure reasons.

(9) And displaying the number 1 and the number 2, displaying the burning success information by the burning display module, setting the internal storage to be read only, and deleting the HDCP key file stored externally to ensure that the subsequent burning HDCP keys are not repeated.

In addition, when the product supporting the HDCP key is started, the checking module judges whether the key exists in the internal working area, if not, judges whether the key exists in the internal storage, and if so, copies the key to the internal working area; and if the HDCP key does not exist, displaying the HDCP key non-burning state and waiting for burning.

As can be seen from the above description, the HDCP key online burning method provided in the embodiment of the present application does not require a burning device, can realize online direct burning of a test product, and can burn multiple versions of HDCP keys simultaneously, and the burning method is simple; in addition, the HDCP key file is stored in an internal storage area, so that the condition that the key is erased by a flash machine to cause the malfunction of the HDCP key can be effectively avoided, and the burning result and the user-defined number of the HDCP key are visually displayed, so that the waste of HDCP key resources can be effectively avoided.

In order to accurately and reliably burn multiple versions of HDCP keys to a target device on line at the same time, effectively improve the efficiency of burning and producing the HDCP keys of the target device, and effectively avoid the waste of HDCP key resources, the present application provides an embodiment of an HDCP key on-line burning apparatus for implementing all or part of the contents in the foregoing HDCP key on-line burning method, referring to fig. 12, the HDCP key on-line burning apparatus specifically includes the following contents:

the consistency check module 10 is configured to search whether a corresponding HDCP key file exists in an external storage device in communication connection with a target device according to an unwritten target HDCP key format identifier corresponding to the target device, and if so, determine whether the serial number identifiers of multiple different versions of the HDCP key files are the same if multiple different versions of the HDCP key files exist in the external storage device and correspond to the target HDCP key format identifier.

The multi-file online burning module 20 is configured to burn the HDCP key files of the multiple different versions into the target device online at the same time if the serial numbers of the HDCP key files of the multiple different versions are the same.

In order to realize the simultaneous burning of multiple versions of HDCP keys, and the burning of a single version of HDCP key, and the online burning of a single version of HDCP key, and further effectively improve the applicability of the online burning method of HDCP keys, in an embodiment of the online burning device of HDCP keys of the present application, the online burning device of HDCP keys further includes the following contents:

In order to further improve the reliability and accuracy of the HDCP key online burning through the second correctness check, in an embodiment of the HDCP key online burning apparatus of the present application, the file online burning module 20 in the HDCP key online burning apparatus specifically includes the following contents:

and the internal storage unit is used for storing the HDCP key files of a plurality of different versions into an internal storage area of the target equipment on line.

And the correctness checking unit is used for applying a preset checking rule to check the correctness of the multiple HDCP key files with different versions in the internal storage area of the target equipment and the corresponding HDCP key files in the external storage equipment.

In order to visually display the recording success information so that the user can visually and efficiently obtain the recording success information, in an embodiment of the HDCP key online recording device of the present application, the HDCP key online recording device further includes the following contents:

In order to visually display the recording failure information so that the user can visually and efficiently obtain the recording failure information, in an embodiment of the HDCP key online recording device of the present application, the HDCP key online recording device further includes the following contents:

wherein, the preset non-burning state comprises:

In order to effectively avoid waste of the subsequent HDCP key selection and storage processes and further improve the intelligent degree of the HDCP key burning process, in an embodiment of the HDCP key online burning apparatus of the present application, the consistency check module 10 in the HDCP key online burning apparatus further includes the following contents:

and the instruction receiving unit is used for receiving a burning starting instruction, wherein the burning starting instruction comprises a target HDCP key format identifier and a serial number identifier of the target equipment.

In order to effectively improve the safety of the HDCP key online burning process, in an embodiment of the HDCP key online burning apparatus of the present application, the HDCP key online burning apparatus further includes the following contents:

and the read-write state modification module is used for setting an internal storage area of the target equipment to be in a read-write state.

In order to effectively improve the reliability and accuracy of the next HDCP key online burning process and avoid repeated verification of the applied HDCP key file, in an embodiment of the HDCP key online burning apparatus of the present application, the HDCP key online burning apparatus further includes the following contents:

In terms of hardware, in order to accurately and reliably burn multiple versions of hdcpkeys to a target device on line simultaneously, effectively improve the HDCPkey burning and production efficiency of the target device, and effectively avoid the waste of HDCPkey resources, the present application provides an embodiment of an electronic device for implementing all or part of the content in the HDCP key on-line burning method, where the electronic device specifically includes the following contents:

a processor (processor), a memory (memory), a communication Interface (Communications Interface), and a bus; the processor, the memory and the communication interface complete mutual communication through the bus; the communication interface is used for realizing information transmission among the HDCP key online burning device, the external storage equipment, the burning starting instruction device, the user terminal and other related equipment; the electronic device may be a desktop computer, a tablet computer, a mobile terminal, and the like, but the embodiment is not limited thereto. In this embodiment, the electronic device may refer to the embodiment of the HDCP key online burning method and the embodiment of the HDCP key online burning apparatus in the embodiment, and the contents thereof are incorporated herein, and repeated details are not repeated.

Fig. 13 is a schematic block diagram of a system configuration of an electronic device 9600 according to an embodiment of the present application. As shown in fig. 13, the electronic device 9600 can include a central processor 9100 and a memory 9140; the memory 9140 is coupled to the central processor 9100. Notably, this fig. 13 is exemplary; other types of structures may also be used in addition to or in place of the structure to implement telecommunications or other functions.

In one embodiment, the HDCP key online burning function may be integrated into the central processor 9100. The central processor 9100 may be configured to control as follows:

As can be seen from the above description, the electronic device provided in the embodiments of the present application can accurately and reliably perform online direct burning of multiple versions of hdcpkeys to a target device simultaneously, without adding a burner or a burning base, and without burning before mounting, can effectively improve burning and production efficiency of the target device, and effectively avoid waste of HDCPkey resources, and meanwhile, by means of checking consistency first and then storing HDCPkey files, can perform determination of HDCPkey availability before storage, and if the hdcpkeys are unavailable, storage is not required, which can effectively save burning time, which is one of effects brought by performing online burning through an external storage device.

In another embodiment, the HDCP key online burning device may be configured separately from the central processor 9100, for example, the HDCP key online burning device may be configured as a chip connected to the central processor 9100, and the HDCP key online burning function is realized by the control of the central processor.

As shown in fig. 13, the electronic device 9600 may further include: a communication module 9110, an input unit 9120, an audio processor 9130, a display 9160, and a power supply 9170. It is noted that the electronic device 9600 also does not necessarily include all of the components shown in fig. 13; in addition, the electronic device 9600 may further include components not shown in fig. 13, which can be referred to in the prior art.

As shown in fig. 13, a central processor 9100, sometimes referred to as a controller or operational control, can include a microprocessor or other processor device and/or logic device, which central processor 9100 receives input and controls the operation of the various components of the electronic device 9600.

The memory 9140 can be, for example, one or more of a buffer, a flash memory, a hard drive, a removable media, a volatile memory, a non-volatile memory, or other suitable device. The information relating to the failure may be stored, and a program for executing the information may be stored. And the central processing unit 9100 can execute the program stored in the memory 9140 to realize information storage or processing, or the like.

The input unit 9120 provides input to the central processor 9100. The input unit 9120 is, for example, a key or a touch input device. Power supply 9170 is used to provide power to electronic device 9600. The display 9160 is used for displaying display objects such as images and characters. The display may be, for example, an LCD display, but is not limited thereto.

The memory 9140 can be a solid state memory, e.g., Read Only Memory (ROM), Random Access Memory (RAM), a SIM card, or the like. There may also be a memory that holds information even when power is off, can be selectively erased, and is provided with more data, an example of which is sometimes called an EPROM or the like. The memory 9140 could also be some other type of device. Memory 9140 includes a buffer memory 9141 (sometimes referred to as a buffer). The memory 9140 may include an application/function storage portion 9142, the application/function storage portion 9142 being used for storing application programs and function programs or for executing a flow of operations of the electronic device 9600 by the central processor 9100.

The memory 9140 can also include a data store 9143, the data store 9143 being used to store data, such as contacts, digital data, pictures, sounds, and/or any other data used by an electronic device. The driver storage portion 9144 of the memory 9140 may include various drivers for the electronic device for communication functions and/or for performing other functions of the electronic device (e.g., messaging applications, contact book applications, etc.).

The communication module 9110 is a transmitter/receiver 9110 that transmits and receives signals via an antenna 9111. The communication module (transmitter/receiver) 9110 is coupled to the central processor 9100 to provide input signals and receive output signals, which may be the same as in the case of a conventional mobile communication terminal.

Based on different communication technologies, a plurality of communication modules 9110, such as a cellular network module, a bluetooth module, and/or a wireless local area network module, may be provided in the same electronic device. The communication module (transmitter/receiver) 9110 is also coupled to a speaker 9131 and a microphone 9132 via an audio processor 9130 to provide audio output via the speaker 9131 and receive audio input from the microphone 9132, thereby implementing ordinary telecommunications functions. The audio processor 9130 may include any suitable buffers, decoders, amplifiers and so forth. In addition, the audio processor 9130 is also coupled to the central processor 9100, thereby enabling recording locally through the microphone 9132 and enabling locally stored sounds to be played through the speaker 9131.

An embodiment of the present application further provides a computer-readable storage medium capable of implementing all steps in the HDCP key online burning method in the foregoing embodiment, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, all steps of the HDCP key online burning method in which an execution subject is a server or a client in the foregoing embodiment are implemented, for example, when the processor executes the computer program, the following steps are implemented:

As can be seen from the above description, the computer-readable storage medium provided in the embodiments of the present application can accurately and reliably write multiple versions of hdcpkeys to a target device on line, without adding a writer or a writing base, and without writing before mounting, can effectively improve writing and production efficiency of the target device, and effectively avoid waste of HDCPkey resources, and meanwhile, by means of checking consistency and then storing HDCPkey files, can determine availability of the hdcpkeys before storage, and if the hdcpkeys are unavailable, it is not necessary to store the hdcpkeys, and can effectively save writing time, which is one of effects brought by performing on-line writing through an external storage device.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, 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 (devices), 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.

The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. An HDCP key online burning method is characterized by comprising the following steps:

2. The HDCP key online burning method according to claim 1, further comprising:

3. The HDCP key online burning method of claim 1, wherein the online burning of the HDCP key files of different versions to the target device at the same time comprises:

applying a preset check rule to check correctness of the multiple HDCP key files with different versions in the internal storage area of the target device and corresponding HDCP key files in the external storage device;

4. The HDCP key online burning method according to claim 1 or 2, further comprising:

5. The HDCP key online burning method according to claim 1, further comprising:

wherein, the preset non-burning state comprises:

6. The HDCP key online burning method of claim 1, wherein searching whether there is a corresponding HDCP key file in an external storage device in communication connection with a target device according to an unwritten target HDCP key format identifier corresponding to the target device comprises:

receiving a burning starting instruction, wherein the burning starting instruction comprises a target HDCP key format identifier and a serial number identifier of the target equipment;

7. The HDCP key online burning method of claim 1, wherein before searching whether there is a corresponding HDCP key file from the external storage device communicatively connected to the target device, the method further comprises:

correspondingly, after the simultaneously burning the HDCP key files of the multiple different versions to the target device on line, the method further includes:

setting the internal storage area to a read-only state.

8. The HDCP key online burning method of claim 2, wherein after the simultaneously burning multiple HDCP key files of different versions online into the target device and/or after the burning the HDCP key files online into the target device, further comprising:

9. The utility model provides a HDCP key burns record device on line which characterized in that includes:

10. The HDCP key online burning device of claim 9, further comprising:

and the single-version file online burning module is used for burning the HDCP key file into the target equipment online if only the single-version HDCP key file corresponding to the target HDCP key format identifier exists in the external storage equipment.

11. The HDCP key online burning device of claim 9, wherein the multi-file online burning module comprises:

12. The HDCP key online burning device of claim 9 or 10, further comprising:

13. The HDCP key online burning device of claim 9, further comprising:

wherein, the preset non-burning state comprises:

14. The HDCP key online burning device of claim 9, wherein the consistency check module comprises:

15. The HDCP key online burning device of claim 9, further comprising:

16. The HDCP key online burning device of claim 10, further comprising:

17. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the HDCPkey online burning method according to any one of claims 1 to 8 when executing the program.

18. A computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the HDCP key online burning method of any one of claims 1 to 8.