genpmk - Couldn't compute FAST_CWD pointer.

Benjamin Richards
Mon Nov 24 11:42:00 GMT 2014

I'm guessing it's because I'm this program on a 64-bit system.
I received the following error.  The program still seemed to run ok though.

      1 [main] Genpmk 21936 find_fast_cwd: WARNING: Couldn't compute FAST_CWD po
inter.  Please report this problem to
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genpmk 1.0 - WPA-PSK precomputation attack. <>
genpmk: Must specify a dictionary file with -f
Usage: genpmk [options]

        -f      Dictionary file
        -d      Output hash file
        -s      Network SSID
        -h      Print this help information and exit
        -v      Print verbose information (more -v for more verbosity)
        -V      Print program version and exit

After precomputing the hash file, run cowpatty with the -d argument.

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