Wednesday, October 29, 2014

Sorry, could not think of a title for this post. You probably noticed it's been over a month since my last post, truth be told I took a break from RE to focus on some other things, and now doing very light reverse engineering.

My current goal is, and you've probably noticed I switch it quite often, is to decrypt the Crysis 3 PAK files, which are just Twofish encrypted ZIP files. Thankfully, I was provided with the RSA (private?)key and some code snippets to get me started, but by themselves they are not helpful, so I am stepping in and out of the crysis 3 code which decrypts and caches the pak files.

My knowledge of cryptography is comparable to my knowledge of Chinese and C++, and even then I know C++ a lot better than crypto, and trust me, I don't know that much about C++ and literally nothing about Chinese.

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