Overly complex for the thing it does

[piru]

Here's my take on it:

https://sintonen.fi/src/samsung-deobfuc/samsung-deobfuc.c

Usage: samsung-deobfuc < in > out

[ddcc]

That's definitely more efficient; at the time I just extracted the array directly with IDA and wrote a small wrapper around it to do the decoding as a proof of concept.