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CTF challenge 2. Steganography: splitting the single "hair" into four – Share your Projects – Snap! Forum

https://forum.snap.berkeley.edu/t/ctf-challenge-2-steganography-splitting-the-single-hair-into-four/8649

The enhanced version of , based on a similar concept but harder. And again, the flag starts with "CTF_", total length = 21. :warning: The message is slightly volatile :warning: Challenge project: :link: CTF_STEG.2 …
, code 67 into gray pixel Expressed as binary: "C" => 67 => pixel r = g = b