A command-line tool for obfuscating Python scripts, binding them to specific machines, and setting expiration dates.
Pyarmor is a command-line tool that obfuscates Python scripts to protect source code from reverse engineering. It transforms readable Python code into a protected format while maintaining execution capability, and adds features like machine binding and expiration dates for controlled distribution. The tool solves the problem of intellectual property protection when distributing Python applications commercially.
Python developers and companies distributing commercial Python applications who need to protect their source code from unauthorized access or reverse engineering. It's particularly useful for software vendors, SaaS providers, and enterprises with proprietary Python codebases.
Developers choose Pyarmor because it provides a balance between strong obfuscation and maintained compatibility, allowing obfuscated scripts to seamlessly replace original ones. Its unique selling point is the combination of multiple protection layers including irreversible obfuscation, C function conversion, and platform-specific protections like Themida integration.
A tool used to obfuscate python scripts, bind obfuscated scripts to fixed machine or expire obfuscated scripts.
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Obfuscated scripts remain as standard .py files, allowing direct replacement of original scripts without altering execution paths, as shown in the quick start example.
Combines irreversible obfuscation, C function conversion, and script binding to provide robust security against reverse engineering, balancing security and performance.
Supports Python 2 and 3, and runs on Windows, Linux, macOS, and various architectures including embedded systems like Raspberry Pi.
Enables machine binding and expiration dates for creating time-limited trials or enforcing license compliance in commercial applications.
The free trial has restrictions on advanced features, and full functionality requires purchasing a license, adding cost and administrative overhead.
Themida protection is only available on Windows, reducing the security options for cross-platform applications on Linux or macOS.
Obfuscation and runtime checks, especially with C function conversion, can introduce performance penalties compared to unobfuscated code.
With multiple obfuscation methods and options, setting up optimal protection requires a deep understanding of the tool, which can be daunting for new users.