CUDA Exor decrypter

This program can decript under 3 seconds an exor encrypted text (up to 8 MB) with a key of size 8.

How to use

Use one of the demo files or create one of your own

$ javac Encrypter.java

$ java Encrypter 12345678 <in >out

Compile the decrypter (you need a NVidia GPU with CUDA architecture >= 2.1)

$ nvcc exor.cu -o exor -arch=sm_21

Then run it

$ ./exor <secret1 >out