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CUDA version completed but won't release #10

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chg-hou opened this issue Apr 12, 2019 · 2 comments
Open

CUDA version completed but won't release #10

chg-hou opened this issue Apr 12, 2019 · 2 comments
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@chg-hou
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chg-hou commented Apr 12, 2019

Have completed the CUDA version. The speed is about 20k passwords per second (that of single CPU core is about 200 per second) and the whole cracking process can finish in 3 hours.
I decide not to publish the code, unless Tencent has significantly increase the encryption strength and make it strong enough to resist GPU attack.

@whiteblackitty
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I wrote an OpenCL program last year to do the same thing after viewing this repo, it's about 100k passwords per second for a single GTX1050Ti GPU card. Unlike the hashcat software, my algorithm is designed to avoid memory transfer and even memory usage. I didn't try the availability for the db of wechat version 7. In fact, this kind of program is not only for the usage of cracking wechat db and I'm not very interested in wechat——just want to explore the maximum energy of GPUs! Out of some consideration like yours, I won't release it until appropriate time.

@hzhuxin
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hzhuxin commented Jun 14, 2019

oh, maybe you are right
crack db is a hard work, but for GPU, maybe easier too much!

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