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Uzumakis

Sound Based Security

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Uzumakis    130
Hello ,
I have been workin on the engine related to security machines and other small security application.Currently i have been workin on the RSA system enhancing it using some new security methods along with some new security engines like devil's eye which is incomplete right now i am currently stucked in developing a security system that is based on the frequency of the sounds and offcourse these frequency are generated from Japnese language but i am in the middle of nowhere..
So any help would be appreciated
Thanks [img]http://public.gamedev.net//public/style_emoticons/default/smile.png[/img]

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rip-off    10976
Can you elaborate on what you mean by "a security system that is based on the frequency of the sounds". Are you talking about encryption key generation using sound frequency as a source of entropy? Or are you talking about using a person's vocalisations as a form of biometric to identify them uniquely? Or something else?

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Uzumakis    130
yes i am talking about
Are you talking about encryption key generation using sound frequency as a source of entropy !!!!! :)
can you provide me any guidelines

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nox_pp    499
I'm not familiar with secure key generation, but [url="http://www.gnupg.org/"]GPG[/url] is open source. Its entropy gathering and subsequent key generation code would probably be a good place to start.

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Bacterius    13165
If you mean generating entropy from a person speaking into some microphone by analyzing the resulting waveform, this isn't going to be trivial. The entropy source needs to be normalized so that its entropy can be measured within reasonable bounds. It is understood how to safely normalize many known entropy sources such as thermal noise, keyboard typing delays, mouse clicks, network jitter, etc... but waveforms? I have no experience with this and I suspect that it highly depends on the format...

Or do you mean something else? Could you expand on what "frequency of the sounds" mean? It isn't very clear to me. Edited by Bacterius

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Uzumakis    130
Thanks i got the starting point detecting and basing the system on sound bounds thats what i was talking about thanks for your help again!!!!!??i know where to tart from!!!

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