Password recovery method and device for mobile phone

Abstract

The invention discloses a password recovery method and a device for a mobile phone. The method includes installing an APK file for decryption on the mobile phone, wherein the APK file is a dynamically encrypted APK file (S20); automatically operating the APK file to send enciphered data to each encrypted program module in a broadcasting mode (S30); according to the received enciphered data, performing decryption on each encrypted program module based on a scheduled decryption algorithm (S40); determining whether a decryption result obtained by each encrypted program module is accurate (S50); clearing up the password settings of each module if the decryption result is accurate(S60), and prompting a wrong model or an illegal decryption tool if the decryption result is wrong(S80). According to the method and the device, the dynamically encrypted APK file is used for clearing up the set password without clearing self-data, and personal data loss of the user can be avoided, simultaneously, the APK file is provided only by a mobile phone manufacturer, so that the file security is improved.

Description

technical field [0001] The invention relates to communication technology, in particular to a method and a device for recovering a mobile phone password, in particular to a method and a device for recovering a password of a mobile phone installed with an Android operating system. Background technique [0002] From a functional point of view, mobile phones can be simply divided into traditional mobile phones and smart phones. From the current development trend, we can see that the mobile phone is stepping towards the intelligent era step by step. The functions of smart phones are becoming more and more powerful, and the personal data they contain will also become more and more abundant. In order to protect the security of these personal data, mobile phone users frequently set mobile phone passwords. Therefore, once the user forgets the password set by himself and needs to continue to use the mobile phone or some personal data, the common method is to clear the settings of the...

AI Technical Summary

Problems solved by technology

Therefore, once the user forgets the password set by himself and needs to continue to use the mobile phone or some personal data, the common method is to clear the settings of the entire system by refreshing the system version, which will result in the loss of a large amount of personal data and cause serious harm to the user. great trouble and loss

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