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Thread: GPU Cryptography

  1. #1

    GPU Cryptography

    Would be cool to have a cryptography system where you can load values from a file into a texture on a OPENGL surface and apply different filters/transformations to the surface to generate a new image. The final image is the encrypted/decrypted file. Since modern GPU's have multiple pixel pipelines theoretically you can encrypt/decrypt messages quite fast. Kind of curious if the output image would be different from card to card (do to the way the OPENGL are implemented in the drivers). I believe people have already done something similar when generating rainbow tables. Just an idea for a crackme =).

    Edit: Looks like if you google gpu crpytography you can find some cool papers.
    Last edited by Monk; March 22nd, 2010 at 22:57.

  2. #2
    For the record it has been somewhat suggested before, but with DX shaders... (no troll intended)
    http://www.woodmann.com/forum/showthread.php?p=66973&postcount=14

    If you come to do things on the subject, I (and the CRCEKL) are very interested, although sucking at crypto. =)
    Please consider donating to help Woodmann.com staying online (here is why).
    Any amount greatly appreciated. Thank you.

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