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Faster password hashes cracking based on the DES algorithm on CPUs

Jun 25, 2011, 11:02 (0 Talkback[s])

[ Thanks to An Anonymous Reader for this link. ]

"Since 1998, numerous attempts have been made to arrive at more optimal DES S-box expressions. During the past year, Openwall researchers developed an idea to approach the optimization problem differently and, as a result, were able to design and successfully implement a new algorithm that significantly improves upon the corresponding prior results.

"This new approach is easily adaptable to arbitrary sets of 'logic gates.' The team has generated different S-box expressions targeting both typical CPUs with only basic instructions and CPUs/GPUs that have "bit select" instructions. The mentioned improvement over the corresponding previous best results is achieved in both cases."

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