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Fingerprints are Usernames, not Passwords
@DustinKirkland
#SXSW2015
@DustinKirkland
#SXSW2015 #biometrics
Co-author and maintainer of
an encrypted filesystem for
Linux
@DustinKirkland #SXSW2015 #biometrics
eCryptfs is used by Ubuntu
@DustinKirkland #SXSW2015 #biometrics
One click encryption during installation
@DustinKirkland #SXSW2015 #biometrics
We were asked to support fingerprint readers in
2008
@DustinKirkland #SXSW2015 #biometrics
My Thinkpad even had one
@DustinKirkland #SXSW2015 #biometrics
But we closed the bug, “won’t fix”
@DustinKirkland #SXSW2015 #biometrics
As it happens, fingerprints are easy to fake
https://pacsec.jp/psj06/psj06krissler-e.pdf
@DustinKirkland #SXSW2015 #biometrics
25 awesome slides later...
Seriously, go look at these slides
@DustinKirkland #SXSW2015 #biometrics
But 7 years later, the industry still hasn’t learned...
@DustinKirkland #SXSW2015 #biometrics
Better technology, but still broken
@DustinKirkland #SXSW2015 #biometrics
Well what about iris scanning?
@DustinKirkland #SXSW2015 #biometrics
Shot with a Canon 5D Mark III, 100mm macro lens, by Dennis Franza
@DustinKirkland #SXSW2015 #biometrics
Voice recognition?
@DustinKirkland #SXSW2015 #biometrics
“This call may be recorded...”
@DustinKirkland #SXSW2015 #biometrics
DNA?
@DustinKirkland #SXSW2015 #biometrics
You leave a trail of DNA everywhere!
@DustinKirkland #SXSW2015 #biometrics
Sorry, but biometrics are inherently not secret
@DustinKirkland #SXSW2015 #biometrics
I bet you’ve seen a few of these now...
@DustinKirkland #SXSW2015 #biometrics
How would you go about changing these?
@DustinKirkland #SXSW2015 #biometrics
What do these have in common?
@DustinKirkland #SXSW2015 #biometrics
Can we avoid adding this one to that dubious list?
@DustinKirkland #SXSW2015 #biometrics
So what are fingerprints/biometrics good for?
@DustinKirkland #SXSW2015 #biometrics
Usernames, not passwords
@DustinKirkland #SXSW2015 #biometrics
Identity, not authentication
@DustinKirkland #SXSW2015 #biometrics
Use biometrics like an email address, handle, or SSN
@DustinKirkland #SXSW2015 #biometrics
By the way...can we please stop pretending that
SSN’s are secret, because they aren’t. kthxbye.
@DustinKirkland #SXSW2015 #biometrics
What about civil liberties and biometrics?
@DustinKirkland #SXSW2015 #biometrics
Sorry, your biometrics have never really been private
@DustinKirkland #SXSW2015 #biometrics
The sooner we quit pretending they are,
the safer your remaining privacy will be
@DustinKirkland #SXSW2015 #biometrics
Passwords should be private,
and are protected under the 5th Amendment*
https://en.wikipedia.org/wiki/Fifth_Amendment_to_the_United_States_Constitution#Computer_passwords
@DustinKirkland #SXSW2015 #biometrics
Finally, some unsolicited security advice
Encrypt your data. All of it.
Choose two or three really long, hard passwords.
Randomly generate all of the rest.
Store those in an encrypted, safe location.
Ensure any biometrics are coupled with something secret.
@DustinKirkland #SXSW2015 #biometrics
And never “charge” your phone with random USB ports!
@DustinKirkland #SXSW2015 #biometrics
Fingerprints are Usernames, not Passwords
@DustinKirkland
#SXSW2015
@DustinKirkland
#SXSW2015 #biometrics