Re: CDSA-biometrics

From: Roger Burton West (rogerat_private)
Date: Wed Jun 27 2001 - 01:11:13 PDT

  • Next message: Marc Sherman: "RE: CDSA-biometrics"

    On or about Tue, Jun 26, 2001 at 03:40:57AM +0000, KuroiNeko typed:
    
    > Also, marketoids  of biometric  systems tend  not to  tell you  one really
    >important thing: you should  not assume that a part of  human body used for
    >auth will always remain and always be the same. A person can loose a finger
    >in  a  disaster, ditto  an  eye.  Skin  tends  to change  fast,  especially
    >fingertips, voices change, even adults' voices.
    
    Also consider the legal implications if someone with no eyes wants to
    use your service and you insist on retina scans...
    
    > Provided that  biometric scanners  and recognition  software still  cost a
    >fortune, and they  still have to be backed up  by traditional auth methods,
    >real advantage of biometrics is still questionable.
    
    A biometric datum is like a password which you can never change, but
    which you can forget; it's hard but not by any means impossible to
    duplicate one...
    
    Roger
    



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