We were talking about it in the news, and testing even on this page, the first discovery of software passwords used Elcomsoft GPU acceleration chip NVIDIA. A second product of the Russian publisher, focusing this time on the passwords for WiFi coverage is now also able to use graphics chips from ATI.
The Wireless Security Auditor software goes further: it can exploit the Radeon HD 3000 and 4000, and even use multiple GPUs, even different, to conduct its tests massive password. Recall that Elcomsoft technique is rather simple, it is a "brute force attack", which is to try all possible passwords for getting the right sesame.
The software in question uses a dictionary to try first the passwords most frequent or consistent, but this discovery can still be very long. All depend on the password that the user has chosen. We recall on this subject that we must focus on long series of letters and numbers completely random, even if other traditional passwords are easier to remember.
ATI faster for this application
Surprise, for once in GPGPU, the latest chips from ATI seem to be more effective than NVIDIA in this type of password. It must be said that the "brute force attack" is the most simple steps to achieve (testing a password) simultaneously. And in this exercise little complex, the 800 units of processing the Radeon HD 4870 appear to be gaining numerical superiority in the face of 240 stream processors of the GeForce GTX 280.
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