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How to Protect Source Code in Docker Images and Containers (Python, C/C++, Shell Scripts, LLVM Obfuscation, DRM)
By default, anyone can view and use the source code and executables inside a Docker image.
There are a few ways to keep others from viewing the source code inside a Docker image and to restrict its use to authorized users only. -
Linux Shell Script Security: Structural Limitations and Vulnerabilities in ssc (Source Code Protection, Obfuscation, Reverse Engineering)
ssc is a project that improves on shc (shell script compiler).
Like shc, it wraps a shell script in C source code and compiles it into a binary to keep the code from being exposed. -
Shell Script Security: Structural Limitations and Vulnerabilities of shc (Encryption, Compiler, Obfuscation)
shc is the most widely known shell script protection tool.
It works by wrapping a shell script in C source code and compiling it into a binary, which keeps the source code from being exposed. -
Comparing Shell Script Protection Tools: shc vs HimitsuShell (Binary Compilation, Encryption, and Obfuscation)
shc (a shell script compiler) is a tool that converts shell scripts into binaries to prevent source code exposure. However, it has the following limitations in real-world use:
- It provides no obfuscation, which leaves it vulnerable to reverse engineering.
- It depends on the system shell (e.g., /bin/sh), which leaves it vulnerable to logging/hooking attacks.