On Mon, Nov 05, 2012 at 03:56:21PM -0500, Vikas N Kumar wrote: > Wisecracker is an open source high performance distributed > cryptanalysis framework that leverages GPUs and multiple CPUs. It > allows security researchers to write their own cryptanalysis tools > that can distribute brute-force cryptanalysis work across multiple > systems with multiple multi-core processors and GPUs. Security > researchers can also use the sample tools provided out-of-the-box. The > differentiating aspect of Wisecracker is that it uses OpenCL and MPI > together to distribute the work across multiple systems, each having > multiple CPUs and/or GPUs. > > As an example an MD5 reversing for 6-8 character strings is provided. > > More information including source code, technical papers and API > documentation can be found at > http://selectiveintellect.com/wisecracker.html > > Thanks. > Developers @ Selective Intellect LLC. > http://selectiveintellect.com I don't think this statement on your website makes much sense: A user can download Wisecracker™ on a GPU cluster virtual machine provided by Amazon EC2® and reverse an MD5 cryptographic hash for a 6 character password in about 20 minutes if using 1 virtual machine or in about 3 minutes if using 2 or more. What does "2 or more" mean here? If I use two machines in parallel, that's more than six times as fast as only using one machine? Seems weird to me.
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