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Hi Guy's

Here's a tough one

I need to find a device that i can use to secure access to a fingerprint reader.
Basically what I need is a device that:
1) has a female usb input and a male output with a controller device in the midle
2) once joinced to the fingerprint device it will be epoxied together
3) I want then to be able through software to send a command to the dongle to unlock the use of the fingerprint device

Can anyone point me in the direction of something like this ?
What my company wishes to do is restrict use of the device by any software other than the software that it was intended for.
Posted 22-Jan-13 3:51am
Chona11714.5K

1 solution

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Solution 1

Connect your Fingerprint module with Arduino. Acquire data through Arduino. Accept a serial command from serial port in Arduino. If the command is equivalent to some code, enable the Fingerprint module.
 
You can check my following tutorial for PC+Arduino+Fingerprint module interface.
 
http://grasshoppernetwork.com/showthread.php?tid=652[^]
 
I am not sure what Fingerprint module you have, so if it is R305 or similar, the above link might be helpful to you.
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Comments
Chona1171 at 22-Jan-13 9:30am
   
My Device is a digital persona, Good solution but i am afriad it wont suit my needs I need a more out of the box solution becuase I need to roll this out to thousands of devices.
Grasshopper.iics at 22-Jan-13 11:27am
   
If you are using Digital Persona, then it comes with a driver. Every driver puts a registry entry. There are some simple Win API method which can detect when a USB device is inserted. You can compare the device ID and use some password to activate the device.
 
However if a hardware lock is so important, cant there be a USB hub? Logic remains same. Alongside the device you provide a USB stick and embed it's ID into program for password checking. However if such a solution needs to be distributed in lot then software lock might be best option?
Chona1171 at 23-Jan-13 2:38am
   
yes but that wont prevent the device from being unplugged and used in a diferent pc.
 
Basically what it boild down to is we want only our software to be capable of using the device, I am checking with securitech if they may not have a solution for us.

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