PLAY THE KEYBOARD

Zhao Tian Kai Liu

Outline

4. Preliminary Results

3. Proposed Solution

2. Related Work

1. Motivation

Password Is Not Secure

Numerous passwords in the Internet.

Security is significant! Secur

e?NO!

Passwords around us

When Password Is Disclosed

We could let out our key accidently

How to protect the password even if it has already been disclosed?

Analogy: Password vs. Music Score

VSSame as the music score, the players can be distinguished.

Can we distinguish the keyboard

players?

Outline

4. Preliminary Results

3. Proposed Solution

2. Related Work

1. Motivation

Ways To Enhance AuthenticationDigital IdentificationBiometrics

COST TOO MUCH

Coltell, O., Badfa, J.M., Torres, G., “Biometric identification system based on keyboard filtering”, Security Technology, 1999. Proceedings. IEEE 33rd Annual

1999 International Carnahan Conference on, On page(s): 203-209

Keystroke Pattern

“Research results demonstrate that users follow generally certain patterns when they are writing their password.”

Outline

4. Preliminary Results

3. Proposed Solution

2. Related Work

1. Motivation

oodd

Input & Send the Password

Time

V m 25 r qt1

5 r q 2t2 t3 t4 t5 t6 t7 t8

V m

Receive & Match the Password

Times1 s2 s3 s4 s5 s6 s7 s8

odV m 25 r qStored Pattern

Timet1 t2 t3 t4 t5 t6 t7 t8

odV m 25 r qMatch

Outline

4. Preliminary Results

3. Proposed Solution

2. Related Work

1. Motivation

Password Is Stolen

Times1 s2 s3 s4 s5 s6 s7 s8

odV m 25 r qStored Pattern

Timet1 t2 t3 t4 t5 t6 t7 t8

odV m 25 r qNot Match

THE END!

THANK YOU!