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Reverse Engineering "DNA Sequences" in the Lost World: Jurassic Park Video Game


Rerouting the encryption

I examined the password system for the 1997 game The Lost World: Jurassic Park in Ghidra, the reverse engineering tool. According to EGM 93, Dreamworks Interactive was very invested in making this adaptation of the Jurassic Park sequel successful, and spent lots of time and resources on its graphics and animation. After applying the masks to each character position, the resultant bits are then validated by comparing them to 4-byte substrings (encoded with ASCII, except for the underscores, which are zeros) of this phrase:

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