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Chill-Pass: Using Neuro-Physiological Responses to Chill Music to Defeat Coercion Attacks | | Max Wolotsky
; Mohammad Husain
; Elisha Choe
; | | Date: |
3 May 2016 | | Abstract: | Current alphanumeric and biometric authentication systems cannot withstand
situations where a user is coerced into releasing their authentication
materials under hostile circumstances. Existing approaches of coercion
resistant authentication systems (CRAS) propose authentication factors such as
implicit learning tasks, which are non-transferable, but still have the
drawback that an attacker can force the victim (causing stress) to perform the
task in order to gain unauthorized access. Alternatively, there could be cases
where the user could claim that they were coerced into giving up the
authentication materials, whereas in reality they acted as an insider attacker.
Therefore, being able to detect stress during authentication also helps to
achieve non-repudiation in such cases. To address these concerns, we need CRAS
that have both the non-transferable property as well as a mechanism to detect
stress related to coercion. In this paper, we study the feasibility of using
Chill (intensely pleasurable) music as a stimulus to elicit unique
neuro-physiological responses that can be used as an authenticating factor for
CRAS. Chill music and stress are both stimuli for a neuro-chemical called
Dopamine. However, they release the Dopamine at different parts of the brain,
resulting in different neuro-physiological responses, which gives us both the
non-transferable and stress-detection properties necessary for CRAS. We have
experimentally validated our proposed Chill music based CRAS using human
subjects and measuring their neuro-physiological responses on our prototype
system. Based on the 100 samples collected from the subjects, we were able to
successfully authenticate the subjects with an accuracy of over 90\%. Our work
not only demonstrates the potential of Chill music as a unique stimulus for
CRAS, but also paves the path of wider adoption of CRAS in general. | | Source: | arXiv, 1605.1072 | | Services: | Forum | Review | PDF | Favorites | |
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