Contact person: Research Free Tools or Source Code Methods for Hardening Specific Functions in Android SO Libraries and DEX Files

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Location: Huangpu, China

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I am seeking a freelancer to research and recommend free, legitimate software or source code-based methods to harden specific functions in Android .so libraries (C++ native code) and .dex files (Java/Kotlin bytecode). The goal is to protect these functions from reverse engineering through techniques such as obfuscation, encryption, or other anti-reverse engineering methods.

Requirements:





Identify free tools (no cracked or paid software) capable of hardening specific functions in Android .so libraries and .dex files. Provide the tool name, download link, usage instructions, and compatibility details (e.g., supported Android versions).



Alternatively, propose methods to implement hardening directly in C++ and Java source code (I have access to both). Include detailed steps, code snippets, or tutorials for applying these techniques.



Deliverables: A clear report or list summarizing the recommended tools/methods, their setup process, and a simple example demonstrating their effectiveness.



If possible, verify the tools/methods work with provided sample code (non-sensitive snippets can be shared upon request).



Ensure all recommendations are free, open-source (preferred), and legally compliant.

Additional Notes:





Please specify any limitations of the tools or methods (e.g., Android version compatibility or function-specific constraints).



Attach any relevant documentation or sample code in the final deliverable.



The project should be completed within 3-7 days.

Skills Required: Android, Mobile App Development, Software Architecture, C++ Programming, Java, Research" (client-provided description)