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1

The combination of different schemes may be somewhat advantageous with regard to certain custom hardware (ASICs), but I think that the disadvantages outweigh them. I assume that there is some kind of fixed time that is acceptable to the user. Nobody will use a procedure where she or he has to wait several minutes. Modern password hashing schemes are ...


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bcrypt has now been implemented for both GPUs and for FPGAs. See Bcrypt password cracking extremely slow? Not if you are using hundreds of FPGAs!. The GPU implementation described there is just barely faster than the CPU implementation. But the FPGA implementation is much more cost-effective, and takes over an order of magnitude less power. But so far it ...


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