PLEASE do not use the old rubbish tag > You could probabblly optimise quite a bit over a generic SHA256 > implementation but I still think you would struggle to keep up with GPUs > using reasonablly priced FPGAs. Why? What if anything does this say about the ability to use a GPU to carry out tasks usually done by FPGAs? Russell --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .