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Sound Based Security


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#1 Uzumakis   Members   -  Reputation: 130

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Posted 28 August 2012 - 01:50 AM

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
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#2 rip-off   Moderators   -  Reputation: 8726

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Posted 28 August 2012 - 02:52 AM

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?

#3 Uzumakis   Members   -  Reputation: 130

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Posted 28 August 2012 - 04:30 AM

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

#4 nox_pp   Members   -  Reputation: 490

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Posted 28 August 2012 - 06:15 AM

I'm not familiar with secure key generation, but GPG is open source. Its entropy gathering and subsequent key generation code would probably be a good place to start.

Between Scylla and Charybdis: First Look <-- The game I'm working on

 

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#5 Uzumakis   Members   -  Reputation: 130

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Posted 28 August 2012 - 06:33 AM

hmmm
and what about the sound system based on the FR system determinig which code to measure??

#6 Bacterius   Crossbones+   -  Reputation: 9281

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Posted 28 August 2012 - 09:58 AM

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, 28 August 2012 - 10:01 AM.

The slowsort algorithm is a perfect illustration of the multiply and surrender paradigm, which is perhaps the single most important paradigm in the development of reluctant algorithms. The basic multiply and surrender strategy consists in replacing the problem at hand by two or more subproblems, each slightly simpler than the original, and continue multiplying subproblems and subsubproblems recursively in this fashion as long as possible. At some point the subproblems will all become so simple that their solution can no longer be postponed, and we will have to surrender. Experience shows that, in most cases, by the time this point is reached the total work will be substantially higher than what could have been wasted by a more direct approach.

 

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#7 Uzumakis   Members   -  Reputation: 130

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Posted 29 August 2012 - 10:19 AM

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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