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I`m just wondering….
If it was the case that I was thinking in creating different reseases for each custumer that I sold my software, could I check each one with MD5 just changing a comment inside the source code and recompiling? I mean, will a ##comment inside a C++, C# or java code change the binnary MD5?
Comments are removed early in (or before) the compilation process, so inserting a comment will not change the hash of the compiled binary.
The only exception (that I can think of) is if your binaries include line numbers, which can change based on comments. Typically this happens when you’re compiling in debug mode, but you can also force it using something like the
__LINE__macro in C++. But even in this case, the content of the comment is irrelevant, only how many lines it takes up (so you might as well just use blank lines for that purpose). Besides, released software probably shouldn’t include that information.