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PDA Biometric Integration

PDA Biometric Integration

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PDA Biometric Integration

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  1. PDA Biometric Integration Daniel Dougherty NSF REU at U.Va Summer 2005

  2. Program Goals • Enable Privaris fingerprint scanner login for Web portal • Enable PDA login for Web portal using Biometric Interface

  3. Problems faced: Privaris Scanner • How to interface with device • How to write programs for device • How to store information on device • How to access information once stored • How to interface with existing web portal

  4. Interfacing with Device • Bluetooth adapter problems • Unable to successfully communicate with device

  5. Results? • How to write programs for device • How to store information on device • How to access information once stored • How to interface with existing web portal

  6. Problems Faced: PDA Interface • How to write programs and web services in .NET • How to write and compile programs for PDA • How to use API for Biometric scanner • How to interface with existing web portal

  7. Design Options • Storage of template (local or database) • Local File: Faster processing of templates (Better usability) • Database: Can’t send false acceptance (Better security)

  8. Design Options • Web service or client-side application • Service: • No implementation on local device • Server-side processing, less resource consumption • Client-Side: • No need to send new template across network

  9. Design Problems • Web Service: • BioAPI library failure • Bugs in Desktop portal interface • Client-side: • .NET libraries now limited • Can’t allocate memory for templates • Can’t launch external programs (Browser) • Attempted work-around with standard libraries

  10. Results? • Substantial progress • Partial completion of client-side application • Still work left to enable PDA Biometric login

  11. Possible Future Work • Access over wireless network • Ran across some issues with web services on the wireless network early on, but was unable to pursue these issues further due to time constraints • Encryption of information transferred over wireless network to/from PDA • Develop a PDA-specific version of web portal with smaller, mainly text based interface