Variable names will be obfuscated with proguard, leaving you with something like private String a; Instead of private String descripcionCategoria; You can add proguard rules so some classes don’t get obfuscated. I got away with it using these: -keepattributes Signature # POJOs used with GSON # The variable names are JSON key values and should … Read more
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This should work -keep class !com.foo.**,!com.bar.** { *; } You can find a summary of the various -keep options at https://www.guardsquare.com/manual/configuration/usage#keepoptions You can find the explanation of ProGuard’s regular expressions at https://www.guardsquare.com/manual/configuration/usage#filters
Obfuscation is needed – a flutter app knows its function names, which can be shown using Dart’s StackTrace class. There’s under-tested support for obfuscation. To enable it: For Android: Add to the file [ProjectRoot]/android/gradle.properties : extra-gen-snapshot-options=–obfuscate For iOS: First, edit [FlutterRoot]/packages/flutter_tools/bin/xcode_backend.sh: Locate the build aot call, and add a flag to it, ${extra_gen_snapshot_options_or_none} defined as: … Read more
Hashing is a technique of creating semi-unique keys based on larger pieces of data. In a given hash you will eventually have “collisions” (e.g. two different pieces of data calculating to the same hash value) and when you do, you typically create a larger hash key size. obfuscation generally involves trying to remove helpful clues … Read more
Well at least in Firefox, JavaScript native objects return function Object() { [native code] }, which has ‘v’. So if we have window and Object, then i suppose we could do: (window[“Object”]+0)[29];
If MyJavaScriptInterface is an inner class of MyClass, ProGuard expects a fully qualified name com.mypackage.MyClass$MyJavaScriptInterface. The naming convention with $ is used in the compiled class files on which ProGuard operates. Note that ProGuard mentions class names in the configuration that it can’t find in the input jar, suggesting that these names may have been … Read more
Yes, by specifying -dontshrink -dontoptimize You can find details on all configuration options in the ProGuard manual. Note that shrinking and optimization may help preventing reverse engineering a bit.
If all you want is to prevent them from copying and pasting into something else, you could store it in BSON instead of JSON. http://bsonspec.org/#/specification Now that only OBFUSCATES it, and will not prevent a knowledgeable person from using it if they want to. You could also encrypt it, but you still have a similar … Read more
Your problem space is underspecified. Is this for a command-line app? Is this code supposed to be used as a library? In addition to the two other answers, you could embed the code into a binary. When it starts, decode the code and eval the string. This works for a shared library extension as well. … Read more