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asp.net fingerprint security

hi

i was wondering if anyone could help me with the following

can i go out and buy a fingerprint scanning device which connects to the pc.  then have my asp.net pages wait for a fingerprint before allowing access to secure pages?

thanks
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narmi2
Asked:
narmi2
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5 Solutions
 
Type25Commented:
I don't see why not....
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Type25Commented:
As long as you can get access to the fingerprint database...

Which is probably a 50/50

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narmi2Author Commented:
can you recommend a device which lets you access its database?

thanks
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Jens FiedererTest Developer/ValidatorCommented:
Doing some simple googling will get you an overview:
http://computer.howstuffworks.com/fingerprint-scanner.htm

and some specific reviews of products:
http://www.bizrate.com/buy/products__cat_id--422,keyword--Fingerprint%20Scanner.html
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narmi2Author Commented:
this doesn't make sense because I would expect any or all fingerprint devices to have secure databases!

e.g. not allowing 3rd party software access to the database, and have encripted data in the database.  if i can write a page which can access and use the data in the database, does this not make the fingerprint device insecure?
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Jens FiedererTest Developer/ValidatorCommented:
Maybe Type25 meant some national fingerprint database (FBI, for example), so you could identify people you did not know.

Most devices, like card scanners, would not have their own database.  They would simply generate a bit pattern, which you would check at the server against a database of known patterns.
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narmi2Author Commented:
ic

so how would i capture this bit pattern?
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Jens FiedererTest Developer/ValidatorCommented:
That is the job of the scanner!

One example is described in the link below.  There are 2 levels of feature extraction (BASIC and GREAT), and a library is available to perform template matching for you (they also provide database functionality).

http://www.digitalpersona.com/products/productspdfs/goldsdkds.pdf

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