Android system mobile phone screen lock cracking method based on MTK processor communication protocol

Abstract

The invention discloses an android system mobile phone screen lock cracking method based on an MTK processor communication protocol, which comprises the following steps: obtaining mobile phone information at least comprising a processor model, a software ID and a hardware ID of a current mobile phone, and calling a guide file corresponding to the mobile phone according to the information; obtaining a current mobile phone partition table according to the guide file, and searching and positioning a system partition in the mobile phone partition table; traversing the system partition of the mobile phone system to obtain a screen lock file and a data area for storing the file; and modifying the screen lock file, generating a corresponding new data area, writing the data area back to the mobilephone system partition, and restarting the mobile phone to complete screen lock cracking. By modifying and writing back the storage area of the CPU specific file, the accuracy of the unlocking data area can be improved, the screen lock cracking function can be safely achieved without any mark, after the screen lock is cracked, the screen lock can be selectively restored, the restored mobile phoneis the same as an original mobile phone, and mobile phone data cannot be damaged.

Description

technical field [0001] The invention relates to a method for cracking the screen lock of an Android system mobile phone, in particular to a method for cracking the screen lock of an Android system mobile phone based on the communication protocol of the MediaTek MTK processor. Involving patent classification number G06 Calculation; Calculation; Counting G06F Electric digital data processing (partial calculation is completed by hydraulic or pneumatic computer G06D, optical completion G06E; computer system based on a specific calculation model G06N) G06F21 / 00 Prevent unintended A security device that protects a computer, its components, programs, or data against authorized actions. Background technique [0002] In the era of Android 2.0, the common method of cracking the screen lock of Android mobile phones is to clear the screen lock file of the mobile phone directly through adb of the mobile phone to realize the removal of the screen lock of the mobile phone; in the era of An...

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Problems solved by technology

[0002] In the era of Android 2.0, the common method of cracking the screen lock of Android mobile phones is to clear the screen lock file of the mobile phone directly through adb of the mobile phone to realize the removal of the screen lock of the mobile phone; in the era of Android 2.0-4.0, by looking for loopholes in the Android system, the mobile phone can be rooted. permissions, and then obtain the secret key file of the mobile phone through the adb command, and then calculate the screen lock password of the mobile phone through brute force cracking, so as to realize the cracking of the screen lock; in the era of Android 4.0~6.0, by swiping into the customized Recovery file, the mobile phone can enter the special mode, so as to obtain special Root permissions, and then obtain the secret key file to crack, and finally realize the cracking of the screen lock; in the Android 6.0-7.0 era, obtain the Root permission of the mobile phone by customizing the Boot file with an official signature, and then delete the screen lock file to crack the screen lock of the mobile phone; however, with the continuous evolution of the Android system, Android 8.0 mobile phones currently do not have any good cracking methods, and the cracking methods of the previous versions of Android are all invalid when Android 8.0

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