CN110825398A - Mobile terminal Keybox processing method based on MTK platform - Google Patents
Mobile terminal Keybox processing method based on MTK platform Download PDFInfo
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- CN110825398A CN110825398A CN201911075440.2A CN201911075440A CN110825398A CN 110825398 A CN110825398 A CN 110825398A CN 201911075440 A CN201911075440 A CN 201911075440A CN 110825398 A CN110825398 A CN 110825398A
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- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims description 4
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/61—Installation
- G06F8/63—Image based installation; Cloning; Build to order
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/302—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a software system
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3051—Monitoring arrangements for monitoring the configuration of the computing system or of the computing system component, e.g. monitoring the presence of processing resources, peripherals, I/O links, software programs
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Abstract
The invention discloses a method for processing a mobile terminal Keybox based on an MTK platform, which is characterized by comprising the following steps: step S10, using MTKSNWriter to perform Keybox burning on the mobile terminal, and writing the Keybox status mark into the Nvram after the mobile terminal in the Meta mode successfully burns the Keybox; step S20, restart the mobile terminal, start Keybox _ query service to read KeyboxState state value from nvram, and set system attribute value of Keybox state; in step S30, after the mobile terminal enters the android system, system setting is performed to display the installation state of the Keybox according to the system attribute value of the Keybox state. The Google Trust TEE of the MTK platform can detect and query the installation state of the Keybox on the mobile terminal, and is low in cost.
Description
Technical Field
The invention belongs to the field of mobile terminal Keybox, and particularly relates to a method for processing a mobile terminal Keybox based on an MTK platform.
Background
At present, if the Android device needs to be preloaded with a Google application, a GMS compatibility test of the Android device by the Google needs to be passed, and each device of the Android 8.1 and later versions is required to be guaranteed to be burned with one Keybox. Keybox requires a TEE environment, and there are several current TEE schemes, such as MTK Trust TEE, Trustonic TEE, MicroTrust TEE, TrustKernel TEE and Google Trust TEE, from the above, for Android devices with Modem, only Google Trust TEE can be used without drawing money, but Google Trust TEE itself does not implement a query interface of Keybox installation state.
Therefore, the prior art is to be improved.
The invention mainly aims to provide a Keybox processing method for a mobile terminal based on an MTK platform, which aims to solve the technical problems mentioned in the background technology and realize that the Google Trust TEE of the MTK platform can detect and inquire the installation state of the Keybox on the mobile terminal.
The invention discloses a method for processing a mobile terminal Keybox based on an MTK platform, which is characterized by comprising the following steps of:
step S10, using MTKSNWriter to perform Keybox burning on the mobile terminal, and writing the Keybox status mark into the Nvram after the mobile terminal in the Meta mode successfully burns the Keybox;
step S20, restart the mobile terminal, start Keybox _ query service to read KeyboxState state value from nvram, and set system attribute value of Keybox state;
in step S30, after the mobile terminal enters the android system, system setting is performed to display the installation state of the Keybox according to the system attribute value of the Keybox state.
Preferably, in step S10, the Keybox status flag is written into one Keybox state field in Nvram.
Preferably, the mobile terminal comprises a mobile terminal device equipped with an android system.
Preferably, after step S30, the method further includes the steps of:
step S40, when testing the mobile terminal by ATA, making the device enter the Factory mode, starting the Keybox _ query service to read the Keybox state value in nvram, and setting the system attribute value of the Keybox state, when the ATA of the PC sends the query Keybox specified instruction, the Factory service of the device reads the system attribute value of the Keybox state and feeds back the value to the ATA after receiving the query Keybox specified instruction.
The Keybox processing method for the mobile terminal based on the MTK platform, disclosed by the invention, is used for processing the Keybox burning process of the mobile terminal, and the system attribute value of the Keybox state is set, so that the GoogleTrust TEE of the MTK platform can detect and inquire the installation state of the Keybox on the mobile terminal.
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 described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow chart of a Keybox processing method for a mobile terminal based on an MTK platform according to the present invention;
fig. 2 is a schematic block diagram of a Keybox processing method for a mobile terminal based on an MTK platform according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It is noted that relative terms such as "first," "second," and the like may be used to describe various components, but these terms are not intended to limit the components. These terms are only used to distinguish one component from another component. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present invention. The term "and/or" refers to a combination of any one or more of the associated items and the descriptive items.
As shown in fig. 1 and fig. 2, fig. 1 is a schematic flowchart of a Keybox processing method for a mobile terminal based on an MTK platform according to the present invention; fig. 2 is a schematic block diagram of a Keybox processing method for a mobile terminal based on an MTK platform according to the present invention.
The invention discloses a method for processing a mobile terminal Keybox based on an MTK platform, which is characterized by comprising the following steps of:
step S10, using MTKSNWriter to perform Keybox burning on the mobile terminal, and writing the Keybox status mark into the Nvram after the mobile terminal in the Meta mode successfully burns the Keybox;
in step S10, MYK represents a linkage department; MTKSNWriter represents a tool used by a joint issuing platform to write numbers; the Keybox represents a keylocker function of the Android operating system for decrypting data and information of DRM-protected content; DRM denotes digital rights management; nvram denotes a nonvolatile random access memory. The mobile terminal comprises mobile terminal equipment carrying an android system.
Step S20, restart the mobile terminal, start Keybox _ query service to read KeyboxState state value from nvram, and set system attribute value of Keybox state;
in step S20, the Keybox _ query service represents a process for querying the Keybox status; the keyboxState status flag is an operation return value fed back when the TEE system call is written into the keybox function; the TEE system comprises GoogleTrust TEE, MTK Trust TEE, Trustonic TEE, MicroTrust TEE and TrustKernel TEE;
note that the system attribute value of the Keybox state indicates one system attribute of the Keybox installation state; specifically, the system attribute names are as follows: rule.key.keymaster _ attest; value: true (keybox installed); false (keybox not installed); kernel. done; value: true (keybox query operation completed); false (keybox state is querying).
Step S30, after the mobile terminal enters the android system, performing system setting to display the installation state of the Keybox according to the system attribute value of the Keybox state; making system settings includes entering settings, then systems, then advanced and entering into the relevant devices. The Keybox processing method for the mobile terminal based on the MTK platform, disclosed by the invention, is used for processing the Keybox burning process of the mobile terminal, and the system attribute value of the Keybox state is set, so that the GoogleTrust TEE of the MTK platform can detect and inquire the installation state of the Keybox on the mobile terminal.
Specifically, in step S10, the Keybox status flag is written in one Keybox state field in the Nvram. After step S30 shown in fig. 1, the method further includes the steps of: step S40, when testing the mobile terminal by ATA, making the device enter the Factory mode, starting the Keybox _ query service to read the Keybox state value in nvram, and setting the system attribute value of the Keybox state, when the ATA of the PC sends the query Keybox specified instruction, the Factory service of the device reads the system attribute value of the Keybox state and feeds back the value to the ATA after receiving the query Keybox specified instruction. The equipment end comprises a mobile terminal.
The method for processing the Keybox of the mobile terminal based on the MTK platform uses Google TrustyTEE for free, and solves the problem that a factory line and a client confirm the burning state of the Keybox; 1RMB TEE OS License cost is saved for each PCB version; the test procedure of the PCB of the factory line is saved, and the condition that a station is added to independently verify the burning state of the keybox is avoided. The principle is that by setting the system attribute value, the application layer, such as MTK platform, can access the system attribute to identify and read whether the Ketbox is installed.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A Keybox processing method for a mobile terminal based on an MTK platform is characterized by comprising the following steps:
step S10, using MTKSNWriter to perform Keybox burning on the mobile terminal, and writing the Keybox status mark into the Nvram after the mobile terminal in the Meta mode successfully burns the Keybox;
step S20, restart the mobile terminal, start Keybox _ query service to read KeyboxState state value from nvram, and set system attribute value of Keybox state;
in step S30, after the mobile terminal enters the android system, system setting is performed to display the installation state of the Keybox according to the system attribute value of the Keybox state.
2. A Keybox processing method for a mobile terminal based on MTK platform as claimed in claim 1, wherein in step S10, a Keybox status flag is written in a Keybox state field in Nvram.
3. A Keybox processing method for a mobile terminal based on MTK platform as claimed in claim 1, wherein the mobile terminal comprises a mobile terminal device equipped with android system.
4. A Keybox processing method for a mobile terminal based on MTK platform as claimed in claim 1, wherein after step S30, further comprising the steps of:
step S40, when testing the mobile terminal by ATA, making the device enter the Factory mode, starting the Keybox _ query service to read the Keybox state value in nvram, and setting the system attribute value of the Keybox state, when the ATA of the PC sends the query Keybox specified instruction, the Factory service of the device reads the system attribute value of the Keybox state and feeds back the value to the ATA after receiving the query Keybox specified instruction.
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| CN201911075440.2A CN110825398B (en) | 2019-11-06 | 2019-11-06 | Mobile terminal Keybox processing method based on MTK platform |
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Citations (3)
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| CN103176806A (en) * | 2011-12-21 | 2013-06-26 | 富泰华工业（深圳）有限公司 | Programming system and programming controlling method |
| CN109408097A (en) * | 2018-12-11 | 2019-03-01 | 深圳市英威腾电气股份有限公司 | A kind of firmware upgrade method, device, system and a kind of electronic equipment |
| CN109783104A (en) * | 2018-12-07 | 2019-05-21 | 深圳市海派通讯科技有限公司 | The method and system of Android device write-in Keybox parameter |
-
2019
- 2019-11-06 CN CN201911075440.2A patent/CN110825398B/en active Active
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| CN103176806A (en) * | 2011-12-21 | 2013-06-26 | 富泰华工业（深圳）有限公司 | Programming system and programming controlling method |
| US20130166958A1 (en) * | 2011-12-21 | 2013-06-27 | Hon Hai Precision Industry Co., Ltd. | Software burning system and burning control method |
| CN109783104A (en) * | 2018-12-07 | 2019-05-21 | 深圳市海派通讯科技有限公司 | The method and system of Android device write-in Keybox parameter |
| CN109408097A (en) * | 2018-12-11 | 2019-03-01 | 深圳市英威腾电气股份有限公司 | A kind of firmware upgrade method, device, system and a kind of electronic equipment |
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