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PNG correction #42

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bcling opened this issue Jul 6, 2020 · 0 comments

bcling commented Jul 6, 2020

The current scalpel.conf file has improper PNG header/footer, and will carve an invalid PNG.

Current, incorrect header/footer:

PNG

png y 20000000 \x50\x4e\x47? \xff\xfc\xfd\xfe

Corrected header/footer:

png

png y 20000000 \x89\x50\x4e\x47\x0d\x0a\x1a\x0a \x49\x45\x4e\x44\xae\x42\x60\x82

Reference: http://www.libpng.org/pub/png/spec/1.2/PNG-Rationale.html#R.PNG-file-signature

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