android encrypt apk

How to encrypt Android apk and Androidapk After a busy week, I finally had time to wait and write something. We will continue to introduce another method to prevent decompilation of android apk. The first two articles we talked about shelling Technology (http://my.oschina.ne

After a busy week and finally having time to write something, we continue to introduce another way for Android APK to prevent anti-compilation technology. Top two we talked about Shell technology (http://my.oschina.net/u/2323218/blog/393372) and runtime modification bytecode (http://my.oschina.net/u/2323218/blog/396203) , if there is something you can see in the first two articles of my blog about both of t

to the environment variable path, open cmd input D:\>keytool-genkey-alias demo.keystore-keyalg rsa-validity 40000-keystore demo.keystore/* Description:-genkey generate key-al IAS Demo.keystore alias Demo.keystore-keyalg RSA uses the RSA algorithm to encrypt the signature-validity 40000 expiration 4,000 days-keystore Demo.key Store */d:\>jarsigner-verbose-keystore Demo.keystore-signedjar demo_signed.apk demo.apk demo.keystore/* Description:-verbose ou

();} inputStream. close ();} System. out. println ("downloaded"); // send a Message to handler to change the text attribute of the button. message = handler. obtainMessage (); message. what = 1; handler. sendMessage (message);} catch (MalformedURLException e) {e. printStackTrace ();} catch (IOException e) {e. printStackTrace ();}}}). start (); return file ;} Here is how to install APK: /*** Install APK *

Android android APK decompilation reverse, Android android apk The reverse of the android APK program is much easier than that of the Windo

After a busy week and finally having time to write something, we continue to introduce another way for Android APK to prevent anti-compilation technology. Top two we talked about Shell technology (http://my.oschina.net/u/2323218/blog/393372) and runtime modification bytecode (http://my.oschina.net/u/2323218/blog/396203) , if there is something you can see in the first two articles of my blog about both of t

Android: several common tips for compiling and packaging apk: android: compiling and packaging apk Today I will share with you three tips for packaging apk with eclipse: 1. Prevent obfuscation and encryption from being decompiled: 1. Open this sentence in the project. proper

After a busy week and finally having time to write something, we continue to introduce another way for Android APK to prevent anti-compilation technology. Top two we talked about Shell technology (http://my.oschina.net/u/2323218/blog/393372) and runtime modification bytecode (http://my.oschina.net/u/2323218/blog/396203) , if there is something you can see in the first two articles of my blog about both of t

[Android's Beauty] APK slimming, reduce the size of the APK Keep your apk files as small as possible, and you should remove unused code and resource files. So this section describes how to make the apk smaller, better performance, the download conversion rate is higher, and how to specify the code and resource

The lazy way to generate an APK is:If you have run an android project, you can find the APK file with the same name as the project in the bin folder of the working directory. This APK file is signed by the debug user by default. If you want to manually sign the APK: 1. S

Unity3d publishes detailed steps for APK to run in the Android virtual machine (Unity3d export Android apk), the total process is divided into the following 6 steps: 1. Installation JAVA_JDK 2. Configure Java Environment variables 3, update the Android SDK 4. Release

After a busy week and finally having time to write something, we continue to introduce another way for Android APK to prevent anti-compilation technology. The first two we talked about the shell technology and the runtime to modify the bytecode, if there is not clear can see my blog in the first two of the introduction of these two technologies. Next we will introduce another easy-to-use technology that pre

Secondary packaging of Android apps (APK files), Android apk Many developers, whether individual or company, do not pay much attention to the security of their own applications, that is, whether the code will be tampered with by criminals, malicious code insertion, spam ads, or even theft of user information. I did not

Android decompile apk (1), android decompile apkWhy decompilation: As a personal developer, sometimes you can see exquisite UI effects and interesting functions. Do you have the urge to refer to learning. Decompiling the android apk is to extract the source code from the

I've recently seen Lao Luo's blog on the analysis of Android resource management and APK packaging process, referencing other materials, doing some tidying up, leaving out tedious packaging details and data structures, and outlining the entire process of apk packaging as a whole.Process Overview:1, packaging resource files, generate R.java file 2, processing Aidl

Preface: What is APK?"Application package file" Simply put, the compiled files and resource files are packaged together in a zip container. Let's just get to know it. It usually contains the following directories and files: 1. META-INF \ store the signature key; 2. Res \ stores the resource files not compiled into resources. ARSC; 3. Lib \ stores the compilation code of specific software and shares library files; 4. The global configuration file of th

1. Error descriptionToday, after compiling the app with Android Studio and installing the APK, the error is as follows:file build\outputs\apk\OYP_2.3.4doesnotonwhile Installing APKAs shown2. Solution1. Try the build-and-clean project again to compile, or invalid2. Invalid attempt to restart Android studioThen I went to

First, prefaceToday, finally, the final article of the break series, the two previous articles were:First article: How to use eclipse Dynamic debugging Smali source codeSecond article: How to use Ida to dynamically debug so filesNow to say is the last article, how to deal with some of the Android APK security protection, in the previous two cracked articles, we can see one is for the Java layer of the crack

Original source anti-compile Android apk and prevent apk program from being decompile how reverse engineer to decompile Android APK Google Android Development is open source, some of the development process will encounter

of the jar are imported so save the trouble of repeated import every timeCompile Filetree (include: [' *.jar '], dir: ' Libs '),After a long repetition of finding a v13 bag,Google later found that this wasAndroid-support-v13 is a version compatible package that is released by Google, with a minimum compatible Android3.2 system. It was designed to develop a flat plate. Android 3.x systems are tablet-only systems, but the 3.x system has failed. So usin