CN102087605A - Android-based platform application installation control method and system - Google Patents
Android-based platform application installation control method and system Download PDFInfo
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- CN102087605A CN102087605A CN2011100318824A CN201110031882A CN102087605A CN 102087605 A CN102087605 A CN 102087605A CN 2011100318824 A CN2011100318824 A CN 2011100318824A CN 201110031882 A CN201110031882 A CN 201110031882A CN 102087605 A CN102087605 A CN 102087605A
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Abstract
The invention discloses an android-based platform application installation control method and an android-based platform application installation control system. The method comprises the following steps of: encrypting a generated android application package (APK) installation file; issuing the application program of the encrypted APK installation file; and decrypting the application program of the encrypted APK installation file, and installing the application program in the system. The APK installation file is encrypted by internal encryption and external encryption and simultaneously installed by using the corresponding decryption installation, so that a user cannot acquire a complete APK installation file packet, the falsification danger of the APK installation file is avoided, and the security of using a mobile terminal by the user is guaranteed.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of based on android platform application installation control method and system.
Background technology
Appearance along with intelligent mobile terminal, a lot of mobile terminal systems have appearred thereupon, current android (Android) system is a kind of intelligent mobile terminal system of widespread use, and wherein APK (Android application package) application installation file is that a kind of standard android uses installation procedure.
But the APK of android system uses installation file and is easy to just can and obtain source code by decompiling, and this has seriously invaded the right of application developer; And current not related art scheme is encrypted the APK installation file and is protected; general decompiling instrument just can well carry out decompiling to the APK installation file; obtaining source code distorts; safety to the APK installation file has constituted very big threat; cause the application APK installation file of application developer to be cracked utilization by the hacker; forgery makes new advances contains the APK bag of virus, has influenced the security that the user uses portable terminal.
In sum, the control technology scheme of APK installation file solves the problems referred to above in a kind of android of current needs system.
Summary of the invention
Technical matters to be solved by this invention provides a kind of based on android platform application installation control method and system, has solved the problem that the APK installation file is not distorted and cracked in the protection android system.
In order to address the above problem, the invention provides and a kind ofly control method is installed based on the android platform application, comprising:
APK installation file after generating is carried out cryptographic operation;
The application program of the APK installation file after encrypting is issued;
After obtaining the application program of the APK installation file after this encryption, it is decrypted operation and is installed in the system.
Further, said method also can comprise, described APK installation file after generating carried out the step of cryptographic operation, comprising:
Extract configuration file and byte code files in the APK installation file after having generated;
Configuration file and byte code files in this APK installation file of extracting are encrypted;
With configuration file and the byte code files after encrypting, pack the application program of the APK installation file after generation one is encrypted by the mode that adds shell with alternative document in this APK installation file.
Further, said method can comprise that also the application program of the APK installation file after described will the encryption is decrypted the step of operating and being installed in the system, comprising:
The application program of resolving the APK installation file after the described encryption obtains it and adds the shell side formula, separates shell operation, alternative document in the configuration file after obtaining encrypting, byte code files and the APK installation file accordingly according to adding the shell side formula;
The configuration file and the byte code files of resolving after encrypting obtain its cipher mode, carry out corresponding decryption oprerations according to its cipher mode, with each file storage in the APK installation file that obtains at the diverse location of storer, to be stored in each file of storer diverse location, be directly installed in the system by the storage address link.
Further, said method can comprise that also the step that the application program of the APK installation file after described will the encryption is issued comprises:
After the application program of the APK installation file after described generation one is encrypted, add the shell side formula according to this application program, with and the cipher mode of configuration file and byte code files, generation is corresponding to the decrypted program of this application program, the application program of the APK installation file after encrypting and decrypted program are packed and issues.
Further, said method can comprise that also the described mode that configuration file and byte code files in this APK installation file of extracting are encrypted comprises: insert the registration code authentication, add shell protection, DES, 3DES, 3DES+MAC or Custom Encryption mode;
The described shell side formula that adds comprises protection shell, compression shell or the mode of encrypting shell.
The present invention also provides a kind of and based on the android platform application control system has been installed, and comprising:
Ciphering unit is used for the APK installation file after generating is carried out cryptographic operation;
Release unit is used for the application program of the APK installation file after encrypting is issued; And
The deciphering installation unit, be used to obtain the application program of the APK installation file after this encryptions after, it is decrypted operates and be installed in the system.
Further, said system can comprise that also described ciphering unit comprises APK extraction document module and APK encrypting module, wherein,
Described APK extraction document module is used for extracting APK installation file configuration file and byte code files;
Described APK encrypting module after being used for this configuration file of extracting and byte code files encrypted, is packed by the mode that adds shell with alternative document in this APK installation file, generates the application program of APK installation file after encrypting.
Further, said system also can comprise, described APK encrypting module, after also being used to generate the application program of APK installation file after encrypting, add the shell side formula according to this application program, with and the cipher mode of configuration file and byte code files, generate decrypted program corresponding to this application program, the application program and the decrypted program of the APK installation file after encrypting are packed.
Further, said system also can comprise, described deciphering installation unit, the application program that also is used to resolve the APK installation file after the encryption obtains it and adds the shell side formula, separate shell operation, alternative document in the configuration file after obtaining encrypting, byte code files and the APK installation file accordingly according to adding the shell side formula; The configuration file and the byte code files of resolving after encrypting obtain its cipher mode, carry out corresponding decryption oprerations according to its cipher mode, with each file storage in the APK installation file that obtains at the diverse location of storer, to be stored in each file of storer diverse location, be directly installed in the system by the storage address link.
Further, said system can comprise that also the mode that described APK encrypting module is encrypted configuration file and byte code files in this APK installation file of extracting comprises: insert the registration code authentication, add shell protection, DES, 3DES, 3DES+MAC or Custom Encryption mode;
The shell side formula that adds of described APK encrypting module comprises protection shell, compression shell or the mode of encrypting shell.
Compared with prior art, use the present invention, by inside encryption and external encryption the APK installation file is carried out double-encryption, directly using corresponding deciphering to install simultaneously installs it, the user can not get complete APK installation file bag like this, the danger of having avoided the APK installation file to be distorted has ensured that the user uses the security of portable terminal.
Description of drawings
Fig. 1 is a kind of process flow diagram that control method is installed based on the android platform application of the present invention;
Fig. 2 is the schematic flow sheet of in the inventive method the APK installation file being encrypted;
Fig. 3 is the deciphering of the application program of the APK installation file of formation after of the present invention encryption the and the schematic flow sheet of installation;
Fig. 4 is the structural representation that control system is installed based on the android platform application of the present invention.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Main design of the present invention is: after application development came out, the developer encrypted it earlier before being published to Appstore application store, and then issue.And the user is after Appstore downloads this application, the decryption software that must obtain the developer in advance in addition could be installed its deciphering, and install immediately at the file in internal memory after the deciphering, not generating former APK installation file at pilot process (is not limited to obtain this mode of decryption software separately, also can be: decryption software and synthetic software of encryption software, this software can realize encryption software is decrypted the function of installation).
Can not get the hacker under the prerequisite of former APK installation file, traditional crack method can not can not be cracked utilization to the APK installation file decompiling after encrypting by the hacker simultaneously, forge the virus of A PK that contains that makes new advances and wrap.As long as the user obtains decryption software, can install it, can not influence installing and using of user, can guarantee that also the user uses the safety of portable terminal.
Wherein, when application person developed the application of Android platform, each application that will be installed to the Android platform all will be packaged as an independent file by compiling, and suffix is called .apk, had wherein comprised the binary code of using, resource, configuration file etc.The APK installation file is the zip form in fact, but the suffix name is modified to apk, when installing in the Android system, in the APP catalogue that the APK program can be stored at system default.The file of a .apk of issue when using issue mainly comprises following a few partial content:
AndroidManifest.xml: this document is that each APK uses and must defines and comprise, and has wherein described the name, version, authority of APK application, the information of quoting such as library file.
The META-INF catalogue: what deposit is signing messages, is used for guaranteeing the integrality of apk bag and the safety of system; Whether the effect of META-INF signature is to detect the APK installation file and has been revised by others.Because regenerate signature after the APK of application developer bag is distorted, the original signature of new signature and application developer is different, but this mechanism of signing can not forbid that APK is revised by others.
The res catalogue: deposit resource file, comprising picture, character string etc.
Classes.dex file: the java byte code files that java source code compiling back generates.
Resources.arsc: the scale-of-two resource file after the compiling.
Cracking in the scheme of existing APK installation file, mainly be that core document AndroidManifest.xml in the APK installation file and classes.dex file are carried out the decompiling operation, get access to source code, the present invention is by carrying out encryption to above-mentioned two critical files, carry out the outside simultaneously and add the shell side formula and encrypt once more, make the APK installation file be difficult to be cracked.
Fig. 1 is a kind of process flow diagram based on android platform application installation control method of the present invention, may further comprise the steps:
The application program of step 20, the APK installation file after will encrypting is issued;
Particularly, Fig. 2 has described the flow process of in the inventive method the APK installation file being encrypted, and may further comprise the steps:
Configuration file can be the AndroidManifest.xml file in the APK installation file, and byte code files can be the classes.dex file in the APK installation file.
At first generate the general APK installation file of android platform, this APK installation file is carried out decompress(ion), extract and obtain AndroidManifest.xml and classes.dex file in this APK installation file.
AndroidManifest.xml and classes.dex file that extraction obtains are encrypted respectively.
Wherein the mode that configuration file and byte code files are encrypted in this APK installation file of Ti Quing can be as inserting the registration code authentication, adding the mode of shell protection, DES, 3DES or 3DES+MAC; certainly can adopt other cipher mode or Custom Encryption mode etc., the present invention does not limit this yet.
Step 230, configuration file and byte code files after will encrypting are packed by the mode that adds shell with alternative document in this APK installation file, generate the application program of APK installation file after encrypting.
The application program that adds the APK installation file after the encryption of the generation behind the shell by dual encryption (the inner encryption and external encryption), makes the application program of the APK installation file after this encryptions can not be by the content in the direct decompress(ion) browser document.
The wherein said shell side formula that adds can comprise modes such as protection shell, compression shell or encryption shell, and the present invention does not limit this.
Further, after the application program of the APK installation file after described generation one is encrypted, also can be according to this application program add the shell side formula, with and the cipher mode of configuration file and byte code files, generation is corresponding to the decrypted program of this application program, the application program of the APK installation file after encrypting and decrypted program are packed and issues.
The user needs only the encryption APK installation file that gets access to the developer from Appstore, gets access to developer's deciphering install software simultaneously, just can be decrypted and install encrypting the APK installation file.Even the hacker gets access to APK installation file and deciphering install software after the encryption, can not prevent compiling and malicious exploitation, the confidentiality and the security that have improved application software greatly to it.
Same, deciphering and installation process (this decrypting process can be finished by hardware, also can use software to finish) for the application program that adopts the APK installation file that forms after the said process encryption as shown in Figure 3, comprising:
The application program of the APK installation file after step 310, parsing are encrypted obtains it and adds the shell side formula, separates shell operation, alternative document in the configuration file after obtaining encrypting, byte code files and the APK installation file accordingly according to adding the shell side formula;
Parsing APK installation file encrypted packet obtains it and adds the shell side formula, separates the shell operation accordingly according to adding the shell side formula, and alternative document in the AndroidManifest.xml file after obtaining encrypting, classes.dex file and the APK installation file promptly carries out the outside deciphering.
Step 320, the configuration file and the byte code files of resolving after encrypting obtain its cipher mode, carry out corresponding decryption oprerations according to its cipher mode, each file storage in the APK installation file that obtains at the diverse location of storer, is directly installed on each file that is stored in the storer diverse location in the system by the storage address link.
After separating shell, AndroidManifest.xml and the classes.dex file of encrypting carried out the decryption oprerations of respective type; Directly with each file storage in the APK installation file at the diverse location of storer, do not generate APK installation file bag, by the storage address link, each file in the APK installation file is directly installed in the system.
By directly with each file storage in the APK installation file at the diverse location of storer, and do not generate former APK installation file bag at pilot process, the user can not get complete APK installation file bag like this, just can not crack and decompiling, and link by storage address, directly each file in the APK installation file is installed in the system, has so just reduced that the APK installation file is cracked and the risk of decompiling.
After the user downloaded the APK application of this encryption in the application program store, the APK of this encryption uses can not be carried out traditional cracking by other developers, can not directly be installed by the user.Need obtain corresponding decryption software (be not limited to obtain this mode of decryption software separately, also can be: decryption software and synthetic software of encryption software, this software can realize encryption software is decrypted the function of installation).
As shown in Figure 4, control system 40 is installed, can comprises based on the android platform application: ciphering unit 401, release unit 402 and deciphering installation unit 403, wherein,
Release unit 402 is used for the application program of the APK installation file after encrypting is issued; And
Deciphering installation unit 403, be used to obtain the application program of the APK installation file after this encryptions after, it is decrypted operates and be installed in the system.
Wherein, release unit 402 is published to the APK installation file encrypted packet that generates on the application program store (as coolmart, AppStore etc.), for user's download.
Wherein, described ciphering unit 401 comprises APK extraction document module 4011 and APK encrypting module 4012, wherein,
Described APK extraction document module 4011 is used for extracting APK installation file configuration file and byte code files;
Described APK encrypting module 4012 after being used for this configuration file of extracting and byte code files encrypted, is packed by the mode that adds shell with alternative document in this APK installation file, generates the application program of APK installation file after encrypting
Further, APK encrypting module 4012, after also can be used for generating the application program of APK installation file after encrypting, add the shell side formula according to this application program, with and the cipher mode of configuration file and byte code files, generation is packed the application program and the decrypted program of the APK installation file after encrypting corresponding to the decrypted program of this application program.
Release unit can be issued the program after the packing, and the user needs only the encryption APK installation file that gets access to the developer from Appstore, gets access to developer's deciphering install software simultaneously, just can be decrypted and install encrypting the APK installation file.Even the hacker gets access to APK installation file and deciphering install software after the encryption, can not prevent compiling and malicious exploitation, the confidentiality and the security that have improved application software greatly to it.
Described deciphering installation unit 403 also is used to resolve APK installation file encrypted packet and obtains it and add the shell side formula, separates shell operation, alternative document in the configuration file after obtaining encrypting, byte code files and the APK installation file accordingly according to adding the shell side formula; The configuration file and the byte code files of resolving after encrypting obtain its cipher mode, carry out corresponding decryption oprerations according to its cipher mode, each file storage in the APK installation file that obtains at the diverse location of storer, is directly installed on each file that is stored in the storer diverse location in the system by the storage address link.
The mode that described APK encrypting module is encrypted configuration file and byte code files in this APK installation file of extracting comprises: insert the registration code authentication, add shell protection, DES, 3DES, 3DES+MAC or Custom Encryption mode.
The shell side formula that adds of described APK encrypting module comprises protection shell, compression shell or the mode of encrypting shell.
Configuration file is the AndroidManifest.xml file described in the APK installation file that described APK extraction document module is extracted, and byte code files is the classes.dex file described in the APK installation file that described APK extraction document module is extracted.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. based on the android platform application control method is installed for one kind, it is characterized in that, comprising:
APK installation file after generating is carried out cryptographic operation;
The application program of the APK installation file after encrypting is issued;
After obtaining the application program of the APK installation file after this encryption, it is decrypted operation and is installed in the system.
2. the method for claim 1 is characterized in that,
Described APK installation file after generating is carried out the step of cryptographic operation, comprising:
Extract configuration file and byte code files in the APK installation file after having generated;
Configuration file and byte code files in this APK installation file of extracting are encrypted;
With configuration file and the byte code files after encrypting, pack the application program of the APK installation file after generation one is encrypted by the mode that adds shell with alternative document in this APK installation file.
3. method as claimed in claim 2 is characterized in that,
The application program of the APK installation file after described will the encryption is decrypted the step of operating and being installed in the system, comprising:
The application program of resolving the APK installation file after the described encryption obtains it and adds the shell side formula, separates shell operation, alternative document in the configuration file after obtaining encrypting, byte code files and the APK installation file accordingly according to adding the shell side formula;
The configuration file and the byte code files of resolving after encrypting obtain its cipher mode, carry out corresponding decryption oprerations according to its cipher mode, with each file storage in the APK installation file that obtains at the diverse location of storer, to be stored in each file of storer diverse location, be directly installed in the system by the storage address link.
4. method as claimed in claim 2 is characterized in that,
The step that the application program of the APK installation file after described will the encryption is issued comprises:
After the application program of the APK installation file after described generation one is encrypted, add the shell side formula according to this application program, with and the cipher mode of configuration file and byte code files, generation is corresponding to the decrypted program of this application program, the application program of the APK installation file after encrypting and decrypted program are packed and issues.
5. as the arbitrary described method of claim 1 to 4, it is characterized in that,
The described mode that configuration file and byte code files in this APK installation file of extracting are encrypted comprises: insert the registration code authentication, add shell protection, DES, 3DES, 3DES+MAC or Custom Encryption mode;
The described shell side formula that adds comprises protection shell, compression shell or the mode of encrypting shell.
6. based on the android platform application control system is installed for one kind, it is characterized in that, comprising:
Ciphering unit is used for the APK installation file after generating is carried out cryptographic operation;
Release unit is used for the application program of the APK installation file after encrypting is issued; And
The deciphering installation unit, be used to obtain the application program of the APK installation file after this encryptions after, it is decrypted operates and be installed in the system.
7. system as claimed in claim 6 is characterized in that,
Described ciphering unit comprises APK extraction document module and APK encrypting module, wherein,
Described APK extraction document module is used for extracting APK installation file configuration file and byte code files;
Described APK encrypting module after being used for this configuration file of extracting and byte code files encrypted, is packed by the mode that adds shell with alternative document in this APK installation file, generates the application program of APK installation file after encrypting.
8. system as claimed in claim 7 is characterized in that,
Described APK encrypting module, after also being used to generate the application program of APK installation file after encrypting, add the shell side formula according to this application program, with and the cipher mode of configuration file and byte code files, generation is packed the application program and the decrypted program of the APK installation file after encrypting corresponding to the decrypted program of this application program.
9. system as claimed in claim 7 is characterized in that,
Described deciphering installation unit, the application program that also is used to resolve the APK installation file after the encryption obtains it and adds the shell side formula, separates shell operation, alternative document in the configuration file after obtaining encrypting, byte code files and the APK installation file accordingly according to adding the shell side formula; The configuration file and the byte code files of resolving after encrypting obtain its cipher mode, carry out corresponding decryption oprerations according to its cipher mode, with each file storage in the APK installation file that obtains at the diverse location of storer, to be stored in each file of storer diverse location, be directly installed in the system by the storage address link.
10. system as claimed in claim 7 is characterized in that,
The mode that described APK encrypting module is encrypted configuration file and byte code files in this APK installation file of extracting comprises: insert the registration code authentication, add shell protection, DES, 3DES, 3DES+MAC or Custom Encryption mode;
The shell side formula that adds of described APK encrypting module comprises protection shell, compression shell or the mode of encrypting shell.
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