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Twilight
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Twilight
@BitesDev
I use the computer. Looking for work! [email protected] https://t.co/s0gV3d3SwG
Oshawa Katılım Ekim 2009
1.8K Takip Edilen3.8K Takipçiler
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reflexive arcade was a casual games download portal from the 2000s. think bejeweled, diner dash, luxor, mystery case files. they worked with hundreds of devs and distributed thousands of games as shareware versions.
each game was wrapped into a time-limit and registration shell that allowed you to online buy it and keep playing. the service shut down in 2010, leaving the games unplayable behind dead drm.
i stumbled upon a very complete dump recently on rutracker. someone had all the installers saved days before reflexive shut down. it's an impressively complete collection counting 1700 games. the problem with it is it comes with a choose your own adventure 80+ different patches/cracks/keygens and no instructions for which key fits each hole.
the side quest was clear: write the best tools to preserve this collection.
first i made it easy to unpack the games without running the installers. this saves around 13,600 times of clicking "next".
then i discovered most games are merely encrypted behind the reflexive wrapper, so i wrote a static unwrapper, that can strip the now defunct reflexive libraries and pluck the full game out of the encrypted .rwg file.
some games have integrated the reflexive libraries, so there was nothing to unwrap. for these games we needed a keygen.
the wrapper used per-game rsa keys for registration. the public key was embedded in a dll shipped with each game, and the moduli were only 160 bits, which can be cracked on modern hardware in under a second.
so i factored them all and recovered the private exponents for 1,653 titles.
with the recovered keys i built a full toolkit: a keygen that generates valid offline registration codes, a static unwrapper that strips the reflexive shell to extract bare game executables (works for 1,661 out of 1,697 games), and a binary patcher for the remaining integrated wrappers.
the project also includes detailed docs explaining the copy protection mechanism, as well as complete inventory of the collection.
github.com/banteg/reflexi…

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🎾Introducing LATENT: Learning Athletic Humanoid Tennis Skills from Imperfect Human Motion Data
Dynamic movements, agile whole-body coordination, and rapid reactions. A step toward athletic humanoid sports skills.
Project: zzk273.github.io/LATENT/
Code: github.com/GalaxyGeneralR…
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He lost no onion...
Dan Gheesling@DanGheesling
Today is Jerry’s 93rd birthday - still doing well :)
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