Fingerprint for Access Control

Author: Brian Rhodes, Published on Feb 03, 2013

Despite being touted as the next big thing for access control, fingerprint readers struggle to dethrone traditional manufactured credentials as "the" standard. Despite the promise of high-tech readers making credentials as unique and secure as individual identites, real engineering challenges exist. In this note, we examine how fingerprint readers are best used for access control.

Key Considerations

**** ********* *** ******** "*** ***'* ** *** *********** ******* more *****?" ******* ***** ******* ****** *****. * ***** ****** of ********* ******* ******* ***** ********** ********:

  • ****: *********** ******* ****** **** **** ******** ** '******' ********* proximity-type *******.
  • ****** ***********: ** **** *****, ************ *** *** ******** ****** ** be **** ** *** **** **********, *** **** ** ****** with * ********* *** ** **** **********.
  • ****: ******** ** *** *******, *** ***** ****. ***** ********* can **** ********** ******* ** **** ******* ******** ** *********** manufactured ***********.
  • ******* *********** ******: *** *** ******* *** ******** ** ***** *******.

** *** ******* ****** *** ******** ********* ****** ** *********** (ie: "* ** ****** **** ** ***** * ****"), *********** readers ********** *** **** *********** *** ** *** ******* ****** above. *******, **** *** ****** *** *********** ******** ** ********** security ******* ************ *****-****** ***********, ****** ** ***** ******** ** as **** ** *********.

** *** ******* *****, ** ******** *** ***** *********** ******* 'traditional' ********* ***** ******* **** ********* *********** *******.

****

**** ********* ****** ******* *******, **** *** ***** *** ********* to ***** *** **** **** ********* *********** ******* *** ******** to ********* ***** *******. *** ******* ******** ** *******, *** options ***** ******** ******* **** ** ****-********* ******* ********* (**: a **** ******** ** ** ********* ****):

  • *********** ******: ********* ****** ****~$******
  • ********* ******: *** ********* **** **** ****~$*****

**** *** ******** ** **** *** * *********** ******* ** ~10 ***** **** ********* **** ** ********** ********* ******, **** end-users *** *** *** **** ****** ******. **** **** ******** the ********** ***** ** ********** ***** (******* $*.** - $* each), *** ********* ****** ** ************* **** *********.

Strip ** *******

*** *** *********** ******* *** *** ****. **** **** ********** devices, ******* ********** **** *****. *** ******** ******* **** *****************-***** *********** *********** **********-***** ********** *** *** **** ** ****** ********** ****.

  • ************* *****: **** **** ********* **** ** ****** ***** ** **** space, **** *****, *** ** ****** **** ** ******** ***** electronic *******. ** ********** ************ **** ******* **** *** *****, the ********** ******** ** * *********** **** ******* **** *** strip *** ******** * ****** '***********'. ***** ********** ** ** individual *********** ** ****, *** ****** ** **** ********* ** changes ** *** *****, *** **** ********* ** ****** ** hand-lotion ***** ** ********* **** ********** *****.
  • ******* ******:**** ***** ** ****** ***** *********** **** **** ***** *******, but ***** * ****** ** * ***-****** *****, ******** ******** to **** ************ *** ******* **** ** *******. *** ****** collects ** '*****' ** *** ******, ***** ** **** ** a ********* *** ********** ** * ******* ** ******. *** end ****** ** **** ******* ******* ** ****** **** ******** reads, *** ******** *** ****** ****** ** ****** ********* **** harsh *******. ***** **** ******* *** **** ** ******* ******* perimeter ********, ******* **** ***** ** ****** ******** ** ********* and ** ***** ** ****-*** *********.

**** ***** ** ******* *** **** ** ********** ********. *******, most ********** ********* *** *** *** ******* ******* ******* *** higher ****, ** ** * - * ***** **** ***************** ***** *******. (**: ~$*** *** ********** **** *** ~$*** **** ** optical-based *******) ***-***** ******* ****** ** *****, ** **** **** tight *******, *** ****** *** ******* ********. *******, ************* *** practical *********** ** ****** *********** *** *** *********** ******* ** the *****, ** *********. *** ***** ***** ***** * '************* strip' ***** **** ******:


Backup ***********

********** ** ************ ******, ** *********** ****** ** ******** ***% of *** ****. ***** *** '***** ********' *****, ** ********** granting ****** ** ** ************ ******, ** *********** ****, ***** is ********* *** *********** '***** ********' *****, ** ********** ******** a ********** ********** ******.

******* ****** ******* ******, *** ******* ** ******** ************ ** weather *** *** ***** ****, * ********** *********** **** ****** always **** *****. **** ***** **** **** **** ** ********* credential **** **** ** ***** *** ***. ******* **** ** a ****, ***, ** * ********** ***, *** **** ** carry ******* **** ********** ** ** ********* ********.

****

*** ****** *** *********** ******** *****, *** **** ********** **** is ******** ** ***** ***********. ******* *** ***** ** ********* credentialing ** ****** * '****' *** ********* ** ******* * 'known' ******* ** *******, *** **** ** *** ********** ******** effects *** **** * **** ***** ** ********.

*** ***** *** *** ** *********** ******** ** *********** ********** delays, *** *** ***** ********* ***** ** ** **** ******* when * **** ** ******** ** * ****** ****, *********** outside ** **** ** **** ************. ******** ** *** **** instantaneous ******* ** ******* *** ********* * ********** ****, *********** scanners **** * ************.

Environmental ******

*** **** ** *** ****** ******* ********** ******* ********** **** outside *******, ************ ********** ******* ******* ***********. ************ **** ***** hands, **** *** ******* ** ****** ****, *** *** *** of *** ****** ****** *** ****** ** *** ****** *** accurately *** ***** ** ****. ********, ******* ********* ** *** or ***** ************ **** ********* ********.


***** **** ****** *********** *******, ***** *** '********' ************** ** well. *** *******, ******** *********** **** ****** **** ** ** removed ** ***** ** **** * *****. ***** * ***** consideration, **** **** ** **** ************ ****** ***** ** ****** gloves ****** ***** ** ********** ******. ** ********, ****** ******** a ******* ***** *** *********** ** ******* ****, ********, *** without **** ** ****** **** ** *** ******* ** ************, and **** ********* ***** ******* *** ********* ** '******' ********* that ** *** *** *********** ****, ***** ****** **** ********* to ***** *******.

Most ****** ************

***** *** ******* ************** *** *********** *******, **** **** *** replaced ********* ******* ** *** ********, *** ** **** ****** poised ** ****** ******** ** *** ******. *** **** ********** openings, *********** *********** *** *** * ***** ********** ** *****, and ***** ** ** ********** ****** ** '*** ********* **** is *** ******' ***** *** **** ******** **** ** *********** readers. ******* ************ *** ******* ***** *** ******* ** ************* factors, **** ********* *** **** ** '**** ********' ****** ************ where '*****-******' *********** *** *********.


'*****-****** **************' ******** **** **** * ****** ********** ** **** *****. For *******, **** * *********** **********, **** ****** **'* **************** tied ** *** ******, ****** *** **** ** ** *** gain ******. *******, **** **********, *** **** ** * ***** credential ********, *** ********* '*****' **** *** *** *** ****** issued *** **** ** **** *****-*******. *** ****-******** *********, **** extra **** ** ********** ********** ****** ** ******* ******, *** is ***** *********** ******* *** **** ***** ****.

Special ************

*******, ************** ***** ** ************ **** ****** ** *** ************ for *** *********. ***** *** '********' ************ ** **** *****:

  • ******* ****** / ***:******* *****-** ***** ** ************, ********* *** *** *** *********** lengthy ******* ** ******** ***** ********.
  • ********* **********: ** ***** ** ******** ********, * **** **** **** a *********** **** ******* *** '******** ** ****-** ********' ****. This ******** ** ********** ********* ***** ******* ** ******** ** a *********** ***** ***** *** **** ******.
  • ****-******* *******: *** *********** ** *** ******** **** ******* ****** ** drop *** *** **** ** ********* ***** ** *********** **.

Comments (17)

****** ** ************: ** ** **** **** ***** ** * firm **** ******* *********** ****** ******** ******* ** *** ********* perceived ******** **** ******** (**: ***) ******. ***** * ******** upon ***** ******* **, ** ***** ** * **** *****. (I **** **** ** * ** ********** **** * **** long **** **** ** ******)

******: **'** ********* *** * ****** **** ***** ********** ** a *** ****** *** ***** *** ** **** **** **** is **** ****. ** **** ******* **** *** *** **** would ** ********** **.

**** *****

********'* ********'* *** **** (**: ***, ***** ) ****** ****** issues.

*****, *** ****** *** * **** ***/** ****** ****** **** reader(dual ****).

******** ******** ***** ** ******.

***** ****:

****** *** *** ****-***** ********. * **** *****, *** ***** really ********** *** **** ****** ********* ** ************ ** * santiary *****.

** ******, * ********** ******** ***** ********** *** ************, (* wish *** * ***** ********!) *** ***** ******** ** ****** to * ******, **** ** *** **** * **** *********** grab * ****** **** *********** ** **** *** ****. *************, **** ***** ******** **** a '****-***** *******' *** **** **** ******.

*'* *** *** *********** *********** *** ********** ********, *** ********* to *********** ******* ******* **** **** ****** ******* ** * little ****** *** **.

****** *** ******** ** *** **** ****. *** *********, *** many ***** *** ******** ** *** ******?

* ****** ** ******* ** **** *****. *** ** * fraternity ***** ** * ******* *** **** ********* *** ******* because **** ****** *** ***** **** ********** ***** *********** ***** a ***** *******. **** **** ** *** ***** ***, *** graduating ** *** ******** ** **** ****, ******** *** *********** aren't ********, ***** * ****** **** **** ******* **** ** cards.

'***** *******'. *** **** ** ***** ******!

* *****'* **** ****** ******* *** ********, *** * **** used **** *** * **** ***** ******. ***** ******** ***** 7 ****** *************** **** * *** **** *** ****.

** **** ***** *** ***** ******** ** *** ******. *** goal *** * ****** ****** **************. *** ** *** *** there *** ***** ** **** ** ****** **** * ** can't *** ********. *** **** ****** *** ****** *****'* *** or **** ***** ******. ** ******** ** **** ***** **-**% have ****** ** * ******* *****.

** ***** ** **** **** *** *** **** *** **** cards. **** ***********.

**** ***** ****** *** *** **** ***** *******. **** ***** optical ** ************* ********?

** **** **** ****** ***** ******* ** * **** ************** for *********** ***** ** *** **** *** ** ********. **** worked **** **** **** **** * '*****' **** **** **** the ***** ****** *********, **** ***** * * ** * read ***** **** ************** **** ** ****** * ******. ******* was *** ******* **** * ************* **** **** ***** **** kindly ** *** ************(***** ****). ***** *** **** **** ********* from *** *** **** *** *** *** ******* **** ***** is ****** * ******** ** ****** **** **** ********** *** not **** **** **** (****** *-*%) ******* ******** **** ****** 800 **** ****** ** - ** ***** **** ********* *** issues.

** *** ******* **** ********* ** **** ** ****** *** have *** *** *** **** ******. ***. **** ** **** though, * ****** **** * *********, **** ** ****** **** ea. **** *** **** *** *** *********** *** ****** *****. His ***** *** ** ****** ***, *** ****** ***'* ****** his ******* (**** *********) **** *** *** ********* **** ** having *** *****/********** *** *****... *** ** *** **** *** good ** * ***** (*** **** ******) ** *** ******** fingerprint, *** ****** **** ** ******* *** * **** ******* print ***** **** ***** ****** ****** ** **** *** **** everytime ** ***** **** *** ************ **** ** *** ******... Just ** ***

*** ************** ** ** *** ***** *** ** *********** ******* as *** **** *** **** *** *** ***... **** *&* Fingerprint ******* *** ********, *** *******, ** ** ** **** the **** **** *** *** ** *** ** ****** **. What ***** *** *** ******* *****?

********* ** ****** ***********, ******** *** ******* *** ******* *** of **** ** ************ ***** **** ******* ****** *********. ** you **** *** *** ** *** “*******” ******* ** ****** your ********. ****** *** ** **** ** ******* *** ******* then *** **** **** ** *** **** ** ******** ** backup ***********, *** **** ******* *****.

*** ******* ****** *** ********* *** ***** ** ** ***** fingerprint ****** **** *** ******. *** ************ ***** ************* * second ** ****** **** *********** *** ** ***** ****** *********** images.

*** *** **** ** ******* "**** ** *** ****" ******; it's *** **** ********, *** ****** ***********. ******** */* ** the **** ******* **** ** ******** ** ** *** ******** with ******* ****** *** *** ******* **** *** ****** **** morning.

******* ******** ** ******** ******* ******. * **** *** ****** where *** ***** ****** *** ************ ** *********** ********** ***** on *** ******* ** *********** ***** *** *** ********* *** them ** ** **** *** ***** ********. *** **** ****** the ****** ***** ** ***** **** ****** ***********.

**** **** ** ********* ** ******** *******

******** **** ****** **** ***** **** *********** ******** ** ***.

**** *** **** ** ***** ************ ** **** ******. * wonder ** *** ********** **** **** ****** ***** ******, *** accurate/quick ****** ** ***** *** *** ****** ********** ******.

*** ******* ******* **** *** * *** ******** ** *** entire ********* **** *** **** ************ ** ******. **** (******) have ******** *** ****** ****** *** ***** **** ******** **** cut **** **** ** ****. ***** *** ****** ** *** bio ***** **** ***** ******** ******* ** *** $*** *****...*** from ******* ** *** ** ********, ***** ***** **** ****** of *****.

* ******** ******** ** ********** **** ******* *** *** ********** employees ** ***** ** *** *** *** ***** ******. ** dont **** *** ********* ** ***** ******* *** *'* ********** to *** *** **** **** **** **, ********** ** *** service ********** **** *** *** **** *** ******.

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