It would have been nice if Hex Fiend could search for integers/floats directly, perhaps trying out the different combinations. With more variables the task would be a lot harder. In this case there were really only three (binary) variables for how to interpret data: (Except that normally the next chunk wouldn't be 'random', but would follow sequentially.) Search for that result in the results I had from the closed source program.Tell Hex Fiend to display it as integer, or as float, in either little endian or big endian, until it gave a plausible looking result (ie, 45.000 is a lot more plausible than some huge integer).Pick a random chunk of hex that looked like it might be a useful value.In the end, Hex Fiend turned out to be just enough.
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